Other Ending Letters

Word Lengths Starting With A

All 1949 Matching Words

aatheist(informal, humorous) A person who does not believe in the existence of atheists.abacistOne who uses an abacus in casting accounts; a calculator.abacost(chiefly historical) A short- or long-sleeved button-up jacket, worn without a shirt, that was promoted in Zaire under the regime of Mobutu Sese Seko.abacot(archaic) Alternative spelling of bycoket.abaft(nautical) Behind; toward the stern relative to some other object or position; aft of.abaht(England) Pronunciation spelling of about.abandonmentThe act of abandoning, or the state of being abandoned; total desertion; relinquishment.abanetAlternative spelling of abnet.abart(England) Pronunciation spelling of about.abasementThe act of abasing, humbling, or bringing low.abashmentThe state of feeling abashed; embarrassment from shame; timid shyness as from one's modesty being challenged.abashtObsolete form of abashed.abatacept(pharmacology) A fusion protein composed of an immunoglobulin fused to the extracellular domain of CTLA-4, a molecule capable of binding B7, used to treat rheumatoid arthritis.abatement(accounting) The deduction of minor revenues incidental to an operation in calculating the cost of the operation.abbatArchaic spelling of abbot.abberantMisspelling of aberrant.abbotThe superior or head of an abbey or monastery.abbrochmentA precautionary or anticipatory measureabdest(Islam) The Islamic act of washing parts of the body using water for ritual prayers and for handling and reading the Qur'an.abdicantOne who abdicates.abducentThat which abducts.abduct(transitive) To take away by force; to carry away (a human being) wrongfully and usually with violence or deception; to kidnap.abeat(chiefly poetic) Beating.aberrantDiffering from the norm.abet(transitive, crime) To incite; to assist or encourage by aid or countenance in crime.abetmentEncouragement or assistance.abexinostatAn experimental drug candidate for the treatment of cancer.abeyantBeing in a state of abeyance; suspended.abgeschmacktOutrageous; tasteless.abgooshtAlternative form of abgusht.abgushtA Persian dish consisting of a clear broth with meat and other ingredients such as potatoes, beans and dried lemons.abhorment(obsolete) repugnance, disgust; abhorrenceabhorrantMisspelling of abhorrent.abhorrentContrary to something; discordant.abient(psychology) Characterized by avoidance or withdrawal.abigeat(archaic) Theft of cattle by driving it away with the intention of feloniously appropriating it.abilimentObsolete form of habiliment.abiogenesistA proponent of abiogenesis.abiogenist(biology) One who believes that life can be produced independently of antecedent life.abirritant(medicine) Acting to diminish irritation; soothing.abit(nonstandard, proscribed) Alternative form of a bit.abiturientAlternative letter-case form of Abiturient.abjectExisting in or sunk to a low condition, position, or state; contemptible, despicable, miserable.abjoint(transitive, botany, mycology) To form by cutting off as a protrusion from a parent cell.abjunct(obsolete) detached, disconnectedabjurement(rare) Renunciation.ablastBlasting, making a loud noise.ablaut(intransitive, linguistics, of a vowel-containing linguistic component) To undergo a change of vowel.ableistExhibiting or relating to ableism.ablemost(obsolete) ablest (most able)ablestsuperlative form of able: most ableabletA small fresh-water fish (Alburnus alburnus); the bleak.abluent(pharmacology) Washing away; carrying off impurities; detergent.ablukast(pharmacology) A leukotriene antagonist used in the treatment of inflammatory skin conditions.abnetThe girdle of a Jewish priest or officer.abnormalist(Christianity, theology) One who believes that the cosmos is in an abnormal state that can only be set right by divine influence.abococketAlternative form of bycoket.abodement(obsolete) A foreboding; an omen.abolishmentThe act of abolishing; abolition; destruction.abolishtObsolete spelling of abolished; simple past and past participle of abolish.abolitionistIn favor of the abolition of any particular institution or practice.abonnementA subscription or season ticket in a French-speaking country or another country where abonnement is the local term.aboriculturistMisspelling of arboriculturist.aborsement(obsolete) Abortment; abortionabort(computing) The function used to abort a process.abortient(archaic, medicine) Abortifacient; an agent producing abortion.abortifacient(pharmacology) Producing miscarriage.abortificantSynonym of abortifacient.abortificientMisspelling of abortifacient.abortionist(now sometimes offensive) A person who performs abortions, especially illegally or secretly.abortment(obsolete) Abortion.aboughtsimple past and past participle of abyaboundantObsolete spelling of abundant.aboutIn a circle around; all round; on every side of; on the outside of; around.abowtObsolete spelling of about.abracadabrantludicrous, preposterousabradantA material used for grinding, as emery, sand, powdered glass, etc.; an abrasive.abreact(transitive, psychoanalysis) To eliminate previously repressed emotions by reliving past experiences.abreastSide by side and facing forward.abrest(archaic or nonstandard) Alternative spelling of abreast.abridgement(chiefly UK) Alternative form of abridgment.abridgment(US) The act of abridging; reduction or deprivationabrogationistOne who abrogates.abruptWithout notice to prepare the mind for the event; sudden; hasty; unceremonious.abscondmentAn act of absconding or escapingabsent(not comparable) Being away from a place; withdrawn from a place; existing but not present; (sometimes) missing.absenteeistOne who fails to show up when scheduled to.absentment(rare, obsolete): The state of being absent; withdrawalabsist(obsolete) To stand apart from; to leave off; to desist.absit(UK) Formal permission to be away from a college for the greater part of the day or more.absolutObsolete spelling of absolute.absolutestMisspelling of absolutist.absolutistOne who is in favor of an absolute or autocratic government.absolvementAct of absolving; absolution.absolvent(rare) Absolving.absonant(now rare) Discordant; harsh; contrary; unreasonable.absorbantAlternative spelling of absorbent.absorbefacient(medicine) Inducing or increasing absorption (of a drug).absorbentHaving the ability or tendency to absorb; able to soak up liquid easily; absorptive.absorbifacient(rare) absorbentabsorptionistA proponent of absorptionism; one supporting a policy of assimilation.abstainment(rare) An act of abstaining; an abstention.abstentionistA practitioner or advocate of not getting involved politically.abstergentCleansing, detergent.abstinentRefraining from indulgence, especially from the indulgence of appetite.abstort(transitive, rare) To wrest by force or persuasion.abstractAn abridgement or summary of a longer publication.abstractionistRelated or tending to abstractionism, particularly art.abstrict(transitive, biology, mycology) To cut off, as in abstriction; abjointabsurdestsuperlative form of absurd: most absurdabsurdistAn advocate of absurdism, in particular a writer of absurd topics.abt(academics) Initialism of all but thesis.abundantFully sufficient; found in copious supply; in great quantity; overflowing.abundauntObsolete form of abundant.aburstIn a bursting condition.abusement(obsolete) A misleading.abut(transitive) To border upon; be next to; abut on; be adjacent to.abutmentThe point of junction between two things, in particular a support, that abuts.abuttArchaic form of abut.abvolt(electricity, electrical engineering, dated) A unit of electrical potential equal to one hundred millionth of a volt (10⁻⁸ volts), used in the centimeter-gram-second system of units.abwatt(electrical engineering) A unit of electrical power equal to one ten-millionth of a watt (10⁻⁷ watts), used in the centimeter-gram-second system of units.abydocomist(archaic) A liar or sycophant who boasts of his falsehood.academicistRelating to academicismacademistAn academic philosopher.acanthopt(ichthyology) A member of the taxonomic superorder of fish, Acanthopterygii.acaridologistSynonym of acarologist.acarologistA specialist in acarology - the study of ticks and mites.acathistAlternative form of akathist.acaulescent(botany) Having no stem or caulis, or only a very short one concealed in the ground.acaultA male who has special role in Myanmar folk religion and behaves in a way usually associated with women.accelerant(figurative) Something that speeds up a process or the uptake of something else.accelerationistA proponent of accelerationism.accelerostat(biochemistry) A continuous culture in which, after reaching a steady state as in a chemostat, dilution rate is increased smoothly at a constant rate of acceleration.accent(figuratively) Emphasis or importance in general.accentologistOne who studies accentology.accept(transitive) To receive, especially with a consent, with favour, or with approval.acceptantaccepting; receiving.accessitAn honorable mention in an academic contest.accessoristOne who makes accessories.accidentAny chance event.accidentalistSomeone who believes in accidentalism.accidentologistA specialist in accidentologyaccipient(Late Modern, obsolete) Someone who, or something which, accepts (willingly receives).acclimatement(rare) acclimationaccoastObsolete form of accost (“sail along the coast or lie alongside”).accolentOne who lives nearby; neighbor.accommodationistSomeone who tries to accommodate an opposition, usually a political one.accompaniment(music) A part, usually performed by instruments, that gives support or adds to the background in music, or adds for ornamentation; also, the harmony of a figured bass.accompanist(music) The performer in music who takes the accompanying part.accompanyistAlternative spelling of accompanist.accomplishmentThe act of accomplishing; completion; fulfilment.accomplishtObsolete form of accomplished.accompt(archaic) Account.accomptant(obsolete) An accountant.accomptauntObsolete form of accomptant.accordantIn agreement; agreeing.accordionistSomeone who plays the accordion.accordment(obsolete) Agreement; reconcilement.accost(transitive) To approach and speak to boldly or aggressively, as with a demand or request.accostmentan action of accostingaccouchementDelivery in childbed; parturitionaccount(banking) A bank account.accountantOne who renders account; one accountable.accountmentResponsibility.accouplement(rare) The act of coupling, or the state of being coupled; unionaccourt(Early Modern, obsolete) To treat courteously; to court.accoutermentAmerican spelling of accoutrement.accoutrement(military, chiefly in the plural) A soldier's equipment, other than weapons and uniform.accredit(transitive) To ascribe; attribute; credit with.accreditmentThe process of becoming accredited.accrescentGrowing; increasing.accroachment(obsolete) An encroachment; usurpation.accruementThe act of accruing.accrumentAlternative form of accruement.acctAbbreviation of account.acculturationistA specialist in the study of acculturation.accumbantreclining (at meals)accumbentLeaning or reclining, as the ancients did at their meals.accurstpast participle of accurseaccusant(obsolete) An accuser.accusement(now rare) An accusation.acediastA person who has acedia.aceletAlternative spelling of haslet.acephalist(obsolete) One who acknowledges no head or superioracephalocyst(zoology) A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.acepotA form of jackpot poker in which a pair of aces (or better) is needed to openacescentTurning sour; readily becoming tart or acid; slightly sour.acetoclastAny acetoclastic organismacetract(medicine) In botanical medicine, a vinegar extract of herbs.acetylant(organic chemistry) Any acetylation agentacftAbbreviation of aircraft.acharnement(obsolete) Savage fierceness; ferocity.acheivementMisspelling of achievement.achiestsuperlative form of achy /achey: most achy /acheyachievementThe act of achieving or performing; a successful performance; accomplishment.achromat(optics) A lens that imparts little color; a lens that is achromatic.acidifiantAny acidifying agent.acidobiont(biology) Any organism that lives in an acidic environmentacidotolerantAble to tolerate an acidic environmentacidulantA food additive used to increase acidity or to give a tart taste.acidulentHaving an acid quality; sour; acidulous.ackersprit(Chester) When the axillary buds on the stem of a potato grow into small green tubers, as is often the case in wet seasons.acknowledgement(chiefly British) Alternative spelling of acknowledgment.acknowledgmentThe act of acknowledgingacmeistAlternative letter-case form of Acmeist.acolothistAlternative spelling of acolythist.acolutholectSynonym of satellect.acolythist(obsolete) An acolyte.acosmistA follower of acosmismacountMisspelling of account.acquaint(transitive, followed by with) To furnish or give experimental knowledge of; to make (one) know; to make familiar.acquaintant(rare) An acquaintance.acquest(law) Property acquired by purchase, gift, or otherwise than by inheritance.acquiescentWilling to acquiesce, accept or agree to something without objection, protest or resistance.acquiet(obsolete, transitive) To quiet.acquirement(now rare, chiefly in the plural) Something that has been acquired; an attainment or accomplishment.acquisitionist(education) A proponent of acquisitionism.acquist(obsolete) Acquisition; gain.acquit(transitive) To declare or find innocent or not guilty.acquitment(law) Obsolete form of acquittal.acridestsuperlative form of acrid: most acridacridologistAn expert in acridologyacrobatAn athlete who performs acts requiring skill, agility and coordination, often as part of a circus performance.acroblast(medicine) Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis.acrocystA chitinous cyst of the gonophore at the top of the gonotheca in some hydroidsacrodontHaving teeth immovably united to the top of the alveolar ridge.acrolect(sociolinguistics) The variety of speech that is considered most suitable for formal occasions (typically using only standard forms).acronymistSomeone who uses, or makes up, acronyms.acrosst(obsolete or dialectal) acrossact(countable) Something done, a deed.actantThat which acts; a source of action or activity.actarit(pharmacology) An anti-inflammatory drug used to treat rheumatoid arthritis.actibeltA belt that has an accelerometer built into the buckle.actinologistA student of actinology; one versed in the science of actinology.actinoptactinopterygianactinost(ichthyology) A bone at the base of a paired fin (of a fish)actionfest(informal) A film, video game, or other such story that is full of action.actionist(art, sometimes capitalized) One taking part in the actionism movement.actionletA component of an action performed by a person, used in computerized gesture recognition systems.activantA substance or agent that activates a process.activationistA person who designs and implements recreational activities as therapy, especially for the disabledactivistOne who is politically active in the role of a citizen; especially, one who campaigns for change.actornaut(humorous, derogatory) A person who is claimed to be an astronaut, in the context of conspiracy theories that claim that some or all travel into outer space is faked.actualistA proponent of actualism.acupoint(alternative medicine) A specific point on the body where acupuncture or acupressure is applied.acupressuristA therapist who performs acupressure.acupuncturistA healthcare professional who is qualified or professionally engaged in the practice of acupuncture.acutestsuperlative form of acute: most acuteadamant(said of people and their conviction) Firm; unshakeable; unyielding; determined.adamantoblast(obsolete) ameloblastadamauntObsolete form of adamant.adamentMisspelling of adamant.adapedontAny bivalve mollusc of the order Adapedontaadapt(transitive) To make suitable; to make to correspond; to fit or suit.adaptationistA supporter of adaptationism.adaptionistAlternative form of adaptationist.adatTraditional custom or law, in Islamic parts of Southeast Asia.adaunt(transitive, obsolete) To subdue.adawlut(British India) A court of justice.adbot(computing) A bot (automated software agent) that displays advertisements.adderbolt(now UK dialectal) A dragonfly.addersmeatA European plant with white flowers, Rabelera holostea.adderwortCommon bistort (Bistorta officinalis, syn. Persicaria bistorta) or snakeweed.addictA person who is addicted, especially to a harmful drug.addictionologist(medicine) A physician whose speciality is addictionology.addictologistA person who practises addictology.addiment(immunology, archaic) Synonym of complement.additament(archaic) An addition; something added.additionist(rare) One who supports or implements a policy of adding something.addlementconfusion; an addled stateaddressment(obsolete) The act of addressing; the act of directing one's attention, speech, or effort toward a particular point, person, or object.adducent(physiology) Related to the muscles of the body which pull one part towards another.adduct(transitive, physiology) To draw towards a center or a middle line.adempt(transitive, obsolete) To take away.adenoblast(cytology) An embryonic cell that can develop to form glandular parenchymaadepescentBecoming fatty.adeptWell skilled; completely versed; thoroughly proficientadeptist(obsolete) A skilled alchemist.adhamant(biology, rare) Clinging, as if by hooks.adherentAdhesive, sticking to something.adhibitTo allow in; to admit.adhocrat(business, organizational theory) One who espouses or practises adhocracy.adhort(obsolete) To exhort; to advise.adiabat(physics) The curve on a graph of pressure and temperature which gives the adiabatic heating or cooling of a gas.adiabolist(rare) One who does not believe in the Devil.adiaphoristOne who believes in adiaphorism.adipescent(medicine) Developing fatty deposits.adipoblastSynonym of lipoblast.adipofibroblastAn adipose fibroblastadipostat(biochemistry) A supposed mechanism of adipostasis in which signals from adipose tissue regulate appetiteadit(mining) A horizontal or nearly horizontal passage from the surface into a mine, as contrasted with a shaft or vertical entry passage, used for ventilation, haulage, drainage, or other purposes.adjacentLying next to, close, or contiguous; neighboring; bordering on.adject(obsolete) To annexadjoinant(obsolete) Contiguous, adjoining.adjoint(mathematics, category theory, of a functor) That is related to another functor by an adjunction.adjournmentThe state of being adjourned, or action of adjourning.adjtAbbreviation of adjutant.adjudgementAlternative form of adjudgment.adjudgmentThe action of imposing judgment.adjument(obsolete) Help; support; that which or one who helps or supports.adjunctAn appendage; something attached to something else in a subordinate capacity.adjust(transitive) To modify.adjustmentThe action of adjusting something.adjutant(military) A lower-ranking officer who assists a higher-ranking officer with administrative affairs.adjuvant(formal) Providing assistance or help; assistive, facilitative, helpful.adlectTo choose or elect, especially to promote someone to higher office before they have served in a lower capacity.adletA small advertisement.admeasurementApportionment.administrantAdministratingadmit(transitive) To allow to enter; to grant entrance (to), whether into a place, into the mind, or into considerationadmonishmentThe act of admonishing.admonitionistOne who admonishes, or believes in a policy of doing so.adnascent(botany) Growing to or on something else.adolescentOf, relating to, or at the age of adolescence; at the stage between being a child and an adult.adonistOne who maintains that the vowel points of the Tetragrammaton translated "Jehovah" are the vowel points that belong to the word Adonai.adoptTo take (a child, heir, friend, citizen, etc.) by choice into a relationship.adoptianist(Christianity) Alternative form of adoptionist.adoptionist(Christianity) One who believes in or supports adoptionism.adorant(poetic) Adoring.adorement(obsolete) The act of adoring; adoration.adornmentA decoration; that which adorns.adragant(obsolete) Gum tragacanth.adragonist(very rare, humorous) A person who does not believe in dragons.adreamt(obsolete) Alternative form of adreamed.adret(geography) The sun-facing side of a mountain; in the northern hemisphere, especially south-facing slope.adriftFloating at random.adroitdeft, dexterous, or skillfuladroitestsuperlative form of adroit: most adroitadscriptA feudal serf or labourer who is attached to an estate and sold or transferred with it.adsorbantAlternative form of adsorbent.adsorbentTending to adsorb.adstrictAlternative form of astrict.adstringentAlternative form of astringent.adularescentExhibiting adularescence.adulescentAlternative form of adultescent.adultAn animal that is full-grown.adultcentrist(rare) Exhibiting adultcentrism.adulterantThat which adulterates, or reduces the purity of something.adultescentAn adult who continues to participate in and enjoy youth culture.adultistBiased in favor of adults (and against children); exhibiting adultism.adultolescentAlternative form of adultescent.adumbrant(archaic) Giving a faint shadow, or slight resemblance; shadowing forth.adust(by extension) Hot and dry; thirsty or parched.advancementThe act of advancing; promotion to a higher place or dignityadvauncementObsolete form of advancement.advect(transitive) To transport (something) by advection.advehent(anatomy) Carrying towards an organ or structure.advenement(obsolete) An event.advenient(now rare) Caused by outside forces; coming from without; external, additional.adventArrival; onset; a time when something first comes or appears; the time when it is approaching.adventurement(obsolete) adventure.adventuristSomeone who is into adventurism.adverbialistAn advocate of adverbialismadvert(British, informal) An advertisement, an ad.advertainmentA form of communication that combines the elements of advertising and entertainment.advertisement(marketing) A commercial solicitation designed to sell some commodity, service or similar.advertizementAlternative spelling of advertisement.advisement(now US) Consideration or deliberation.advocaatA Dutch liqueur made of egg yolks, sugar and strong liquor, typically brandy.advocatAlternative form of advocaat (“egg liqueur”).advtAbbreviation of advertisement.adyt(archaic, poetic) The innermost sanctum of a temple, in which oracles are announced.aegrotat(British) An unclassified degree awarded to such a student.aerialistAn acrobat performing high off the ground, defying a fall to earth, as on a trapeze or a tightrope.aerobatOne who performs aerobatics.aerobiologistA biologist specializing in aerobiology.aerobiont(biology) Any organism that needs air (oxygen) to surviveaeroboat(archaic) A form of hydroaeroplane; a flying boat.aerobotAn autonomous flying robot used in the context of unmanned space probes for research within planetary atmospheres.aerocombatA sport that combines martial arts with aerobicsaerocraft(dated or nonstandard) An aircraft.aerocystAn air vesicle.aeroductA proposed form of ramjet that harnesses charged particles in the upper atmosphereaerodynamicistA person who studies aerodynamics.aerodynamistA person who studies aerodynamics.aerogeologistOne who carries out aerogeology.aerologistOne who studies, or is knowledgeable in, aerology.aeromodellistSynonym of aeromodeller.aeronat(archaic) A dirigible balloon.aeronautA person who travels through the air in an airship or balloon.aeronomistOne who studies aeronomy.aerophagist(medicine) A person who gulps in air.aerophilatelistA person who collects airmail stamps.aeroplanist(archaic) an aeroplane pilotaeroport(dated) An airport.aerostatAn aircraft, such as a dirigible or balloon, that derives its lift from buoyancy rather than from wings or rotors.aerotolerant(biology, of an anaerobic micro-organism) Able to tolerate the presence of air (specifically oxygen).aeroyacht(archaic) aeroboataestheticistA proponent of aestheticism.aet(soccer) Alternative form of a.e.t.aetat(formal) Aged; at the age of.aetiologistOne who studies aetiology.aett(sometimes paganism) A division of the runic alphabet containing eight runes.afaictAlternative letter-case form of AFAICT (“as far as I can tell”).afaint(archaic, poetic) faintingafairyist(very rare, humorous) A person who does not believe in fairies.afegostat(pharmacology) An experimental drug for the treatment of certain forms of Gaucher's disease, never marketed.affadavitMisspelling of affidavit.affamishment(obsolete) starvation or great hungeraffectto influence or produce a change in somethingaffectationistOne who exhibits affectation.affeerment(obsolete, law) The act of affeering or assessing an amercement, according to the circumstances of the case.afferentCarrying towards.affiant(originally US, now Canada, US, law) An individual witness whose statement is contained in an affidavit; (generally) an individual who makes a sworn deposition; a deponent.affidavit(law) A signed document wherein an affiant makes a sworn statement.affirmantSomeone who affirms or asserts.affirmativistOf or related to affirmativism.affixmentProperty of being affixed; attachment; connection.afflict(transitive) To cause (someone) pain, suffering or distress.afflouncement(Internet slang, neologism) Posting of a flounce, or melodramatic announcement of one's departure from a group or forum.affluentSomeone who is wealthy.afforcement(obsolete) A reinforcement; a strengthening.afforciamentObsolete form of afforcement.affordantRelating to affordance.affordment(obsolete) Anything given as a help; bestowal, granting.afforest(transitive) To make into forestafforestmentThe process of afforesting.affranchisementThe act of freeing; enfranchisement; emancipation.affreight(archaic, transitive) To hire (a ship etc.) for the transportation of freight.affreightment(nautical) The act of hiring, or the contract for use of, a vessel, or some part of it, to convey cargo.affret(obsolete) An attack.affrightafraid; terrified; frightenedaffrightment(obsolete) The action of frightening or terrifying; intimidation.affront(transitive) To insult intentionally, especially openly.affrontant(heraldry) Synonym of affronté.affrontmentAn act of affronting; an insult or hostile confrontation.affulgentAlternative form of effulgent.aflat(obsolete) Level with the ground; lying flat.aflauntIn a flaunting state or position.afliberceptA fusion protein under development for the treatment of cancer.aflightCovered or filled (with something flying).afloatIn or into a state of floating.aflouncementAlternative spelling of afflouncement.afootOn foot. (means of locomotion, walking)aforesetSet or determined in advance.aforethought(postpositive) Premeditated; planned ahead of time.aforewrit(archaic or pseudo-archaic) Synonym of aforewritten (“written previously”).afreetAlternative spelling of ifrit.afreight(literary, chiefly figurative) Filled or charged (with something).afrightAlternative form of affright.afritAlternative spelling of ifrit.afrobeat(music) Music that combines West African musical styles (such as traditional Yoruba music and highlife) with American funk, jazz, and soul influences, with a focus on chanted vocals, complex intersecting rhythms, and percussion.afrofuturistAlternative letter-case form of Afrofuturist.afronautAlternative letter-case form of Afronaut.afrontin front; face to faceaft(nautical) The rear part (after end) of a ship or other vessel.afterbeat(music) A secondary, weaker half of a musical beat.afterburstA secondary burst that follows a primary oneaftercast(art) Alternative form of after-cast.aftercataractA medical condition of clouding of the posterior lens capsule implanted in the eye in cataract surgery.afterconductAlternative form of after-conduct.aftercost(accounting) A subsequent expense related to but occurring after the source of an expenditure.aftercurrentAn electric current that is induced in a muscle when a constant current through it stopsaftereffectAny delayed effect; an effect which is not immediately manifested.aftereventAn event that follows something; a subsequent or later event.afterfeastA lesser religious festival that follows another more significant festival.afterfestOccurring subsequent to a festival.afterfruit(rare) Fruit produced or borne after a the usual growing season; (by extension) A result or outcome of a certain trial or event; product.afterheatResidual heat, such as that obtained from a nuclear reactor during aftercooling, or in cooking after the heat is switched off.afterlightLight that follows something, especially the dim light in the sky after the sun has fully set.aftermarket(business) The industry that serves that market.aftermast(nautical) A mast located towards the stern of a ship.aftermost(nautical) Nearest the stern of a vessel.aftermovementThe movement of a limb following contraction of a muscle.afterscentA scent that follows something; a scent remaining after its source is no longer present.afterscript(rare) A postscript.aftersetThat which is positioned after or behind.aftershaft(ornithology) An accessory plume arising from the posterior of the contour feathers of many birds.aftertestA test given or conducted at the conclusion of an experiment or trial.afterthoughtA reflection after an act; a later or subsequent thought, action, or expedient.aftertreat(transitive) To apply a treatment to (something) after some other process.aftertreatmentA treatment applied after some other process.afterwitWisdom which comes after the event.aftmostFurthest aft, most sternward, as far back as possible.againstIn a contrary direction to.agait(rare, dialect) afoot, in progress, in motion.agamistAn unmarried person celibate by choice.agamonta cell that divides by schizogonyagapeistA proponent of agapeism.agapetOne of the Agapetae.agapistA proponent of agapism.agaricologistA person who studies, professes or practices agaricology.agastArchaic spelling of aghast.agathistA person who believes in agathism.ageest(obsolete, West Country, Devon) afraid, astonishedagefrightAlternative form of age fright.ageistUnfairly discriminatory against someone based on their age.agelast(rare) One who never laughs (especially at jokes); a mirthless person.agendapost(Internet slang) To create an agendapost.agentOne who exerts power, or has the power to act.aggatObsolete spelling of agate.aggest(obsolete, transitive) To heap up.agglomerantThat causes agglomerationagglutinantUniting, as glue; causing, or tending to cause, adhesion.aggrandisement(British) Alternative form of aggrandizement.aggrandizementThe act of aggrandizing, or the state of being aggrandized or exalted in power, rank, honor, or wealth; exaltation; enlargement.aggregant(medicine) Any drug that promotes the aggregation of platelets.aggressionistA proponent of aggressionism ("a doctrine or worldview favouring violence").aggressivistOne who practises or defends aggressivism.aggrievementThe state of being aggrieved.aggroupmentArrangement in a group or in groups; grouping.aghastTerrified; struck with amazement; showing signs of terror or horror.agist(transitive) To charge lands etc. with any public burden.agistmentThe taking in by anyone of other people's livestock to graze at a certain rate.agitantA person who agitates.agitationistSynonym of agitator (“one who stirs up or excites others, for example political reformers”).agletThe cover at the tip of a shoelace, to prevent it from fraying.agnorantSimultaneously ignorant and arrogant.agnotologistAn expert in agnotology.agonescent(biology) Of a cell: Undergoing agonescence.agonistSomeone involved in a contest or battle (as in an agon), protagonist.agorist(economics) Of, supporting, relating to, or advocating agorism.agorotplural of agoraagrammatistOne suffering from agrammatism.agreement(countable) An understanding between entities to follow a specific course of conduct.agrementObsolete form of agreement.agribiont(biology) Any organism that lives mainly in an agricultural environmentagribotAn agricultural robotagrichemistAlternative form of agrochemist.agricolistA cultivator of the soil; an agriculturist.agriculturalistA farmer; one involved with agrarian business.agriculturistOne who practices agriculture, a farmer, a gardener.agriforestA forest of commercial timberagriologistOne involved in agriology.agriproductAny product of agricultureagriscientistOne who studies agriscience.agritainment(US) The promotion of farms as places to visit for entertainment (e.g. tractor rides, corn mazes).agritouristA tourist who takes part in agritourism.agrobiologistOne who studies bacteria and other organisms in soil for the purpose of growing crops or feeding animals.agrobiontAny organism that lives only in an agricultural environmentagrochemistA chemist who works in the field of agrochemistry.agroclimatologistOne who studies agroclimatology.agroecologistOne who studies agroecology.agroenvironmentAn agricultural environmentagroextractivistA person or company involved in agroextractionagroforestA forest used for agroforestry (combination of forest and agriculture).agrogeologistOne who studies agrogeology.agrohabitat(ecology) An agricultural habitatagroinjectTo inject a virus or bacterium directly into an agricultural plantagrologistOne who studies or carries out agrology.agrometeorologistOne who studies agrometeorology.agronomistA scientist whose speciality is agronomy.agropastoralist(anthropology) A member of a people living by a mixture of agriculture and livestock herdingagrophysicistOne who studies agrophysics.agropollutantAn agricultural pollutantagroproductAlternative form of agriproduct.agroscientistAlternative form of agriscientist.agrostologistOne who studies agrostology.agroterrorista terrorist who employs agroterrorismagrotouristOne who participates in agrotourism.agrotransformantA genetically modified plant produced by agrotransformationagroupmentAlternative form of aggroupment.agrovetAn end-to-end supply store for farmers, dealing in seed, fertilizer, animal feed, veterinary supplies, etc.agustThe tree Sesbania grandiflora.aheight(obsolete) From high, from a high point.ahint(UK dialectal) behindaidant(obsolete) helpful, assistingaight(chiefly African-American Vernacular, MLE, slang) Contraction of all right.aigletAn ornament worn on clothing, consisting of a metal tag on a fringe, or a small metallic plate or spangle.aigretAlternative spelling of aigrette.aiguletObsolete form of aglet.ailltA member of a semi-servile class among the Cymry.ailmentSomething which ails one; a disease; sickness.aimbot(video games) A program or patch that allows the player to cheat by having the character's weapon aimed automatically.aimpointThe point at which a firearm is aimed, typically identified by a red dot sight.aint(informal, nonstandard) Alternative form of ain't.airblastA sudden rush of air; often, such a blast in a confined space (such as a mine) right after a disturbance or explosion.airboatA flat-bottomed boat driven by an in-air propeller and used in shallow water.airburstThe explosion of a bomb (or similar weapon) or meteoroid in the air rather than on the ground.aircraftA vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.airductAlternative form of air duct.airfleetA fleet of (civilian or military) aircraft.airfreightThe transportation of freight by air.airiestsuperlative form of airy: most airyairliftThe transportation of troops, civilians or supplies by air, especially in an emergency.airplanist(archaic) An airplane pilot.airplantAlternative form of air plant.airportAn airfield (an area designated for the takeoff and landing of aircraft), including one or more runways and (for commercial airports) one or more passenger terminals.airpostSynonym of airmail.airshaft(mining) A passage supplying ventilation into a mine tunnel or other underground facility.airshift(radio broadcasting) A block of continuous broadcast time, often four or six hours.airshoot(architecture) A channel for providing ventilation.airsoftA modern combat sport in which participants eliminate their opponents by hitting them with spherical non-metallic pellets launched from a type of air gun running compressed air or similar compressed gas (e.g., carbon dioxide).airsportAlternative form of air sport.airt(Scotland) To guide; to direct.airtightImpermeable to air or other gases.airtist(slang, rare) An artist who uses airbrushes.airworthiestsuperlative form of airworthy: most airworthyaitAn island in a river, especially the River Thames in England.akalatAny of several species of African birds in the genus Sheppardia.akathist(Christianity) A hymn dedicated to a saint, holy event, or person of the Holy Trinity, in Eastern Christian traditions.akhrot(India, Pakistan) walnut.akreophagist(obsolete) A non-flesh-eater, a person who does not eat meat.aktionsart(grammar) A property of verbs and other predicates indicating internal temporal nature; lexical aspect.akvavitAlternative spelling of aquavit.alamort(obsolete) To the death; mortally.alangstObsolete form of alongst.alantAlternative form of alaunt.alarmistOne who causes others to become alarmed without cause.alauntA domesticated dog of an extinct breed related to the modern bulldog and mastiff, or modern breeds created in imitation of it.albaquult(geology) A form of aquult that has an abrupt change in texture between horizonsalbeitAlthough, despite (it) being.albescentBecoming white or whitish; moderately white.albicant(obsolete, rare) Growing or becoming white.albumblatt(music) A short instrumental composition, usually performed on the piano and light in character.alcahestrare spelling of alkahestalcalescentAlternative spelling of alkalescent.alchemistOne who practices alchemy.alchymistAlternative spelling of alchemist.alcoholist(dated) One suffering from alcoholism; an alcoholic.alcohologistOne who studies alcohology.alderbest(archaic) Best of all.alderleast(obsolete) Least of all.alderliefest(archaic or obsolete) Often used as an epithet when addressing someone: most beloved.alderlievestAlternative form of alderliefest.aldermost(archaic) Most of all.alderworst(obsolete) Worst of all.aleatoricistAn artist who uses aleatoricism in the creation of art.alecostThe plant costmary (Tanacetum balsamita), formerly much used for flavoring ale.alefaceptA genetically engineered immunosuppressive drug.aleft(archaic) To or on the left-hand side.alephbetAlternative form of aleph-beth.alepot(historical) A drinking-vessel in which ale is served.aleprechaunist(very rare, humorous) A person who does not believe in leprechauns.alertAttentive; awake; on guard.alertestsuperlative form of alert: most alertaleuronaplast(biology) A proteinoplast.aleuronat(archaic) flour made of aleurone, used as a substitute for ordinary flour in preparing bread for diabeticsaleuroplast(biology) A proteinoplast.alfet(historical) A cauldron of boiling water into which an accused person plunged his forearm, used as a form of trial in Medieval England.algaeologistOne who studies algaeology.algarotA pale white emetic powder formerly used in alchemy, consisting of a compound of trichloride and trioxide of antimony.algebraistA mathematician who specializes in algebra.algebristAlternative spelling of algebraist.algefacientMaking cool; cooling.algistOne who studies algae and seaweed.algolagnist(dated) A sexual masochist.algologistOne who studies algology.algophilistA person who is subject to algophilia; one who derives sexual pleasure from feeling pain.algoristOne who develops algorithms.algorithmistOne who studies algorithms.algotherapistA therapist who uses algotherapy.alicant(obsolete) A kind of wine said to have been made near Alicante in Spain.alieniloquentTending to digress from the point of one's conversation; discursive.alienist(dated) An expert in mental illness, especially with reference to legal ramifications.alienologistsomeone who studies aliensalight(transitive, also figuratively, obsolete) To make less heavy; to lighten; to alleviate, to relieve.alightmentThe act of alighting, or descending and settling.alignmentAn arrangement of items in a line.aligotA dish traditionally made in the south of Auvergne from melted Tomme cheese blended into mashed potatoes, often with garlic.alinement(US, rare) Alternative spelling of alignment.aliovalent(inorganic chemistry) Having a different valence or oxidation statealiquant(mathematics, dated) An integer that is less than another, but that does not divide the other integer into integral parts.aliquotContained in the whole an integral number of times, a factor or divisor.alist(programming) An association list.alitsimple past and past participle of alightaliyotplural of aliyahalkahest(now historical) A universal solvent sought by the alchemists.alkalescentSlightly alkaline; having the properties of an alkali.alkalibiont(biology) Any organism that lives in an alkaline environmentalkalitolerantAble to tolerate an alkaline environment.alkalotolerantAlternative form of alkalitolerant.alkanetAlkanna tinctoria, a plant whose root is used as a red dye.allat(slang) Contraction of all that.allaymentSomething that allays; mitigation.allecretAlternative form of halecret.allect(obsolete) To allure; to entice; to sway.allegement(archaic) Allegation.allegiantSteadfastly loyal, especially to a monarch or government.allegoristOne who speaks in, or writes, allegories.allergistA doctor who specializes in the treatment of allergies.allergologistA scientist who studies allergology (the medicine of allergies).allergosorbent(immunology) That allows the sorption of antibodiesalleviantThat which alleviatesalleycatAlternative form of alley cat.alliant(obsolete, rare) An ally; a confederate.allicient(formal) That attracts; attractive.alligantObsolete form of alicant.allignmentArchaic form of alignment.allistA proponent of Allism.alliterationistOne who alliterates.allocishet(LGBTQ, neologism) Allosexual, cisgender, and heterosexual.allodeterminant(genetics) A substance that determines which of a set of alleles is dominantallodgement(uncountable) The state or condition of being lodged.allodialistA holder of allodial land.allodistThe holder of an allodium.alloglot(linguistics) Speaking a non-native language.allograft(surgery) A surgical transplant of tissue between genetically different individuals of the same species.alloparent(biology, sociology) An adult animal or person involved in parent-like behaviour towards an individual that is not their offspring.allopathistA practitioner of allopathyalloplast(surgery) A graft (especially a bone graft) of an inert (non-biological) materialallot(transitive) To distribute or apportion by (or as if by) lot.allotmentThe act of allotting.allotransplantAn instance of allotransplantation.allowlistSynonym of whitelist.allowmentAn amount of money or resources that someone is allotted; an allotment.alloyant(metallurgy) A material added to a metal (possibly itself an alloy) to alter its properties.allperfect(archaic) Wholly perfect.allrightMisspelling of all right.allurementAttractiveness; appeal, charisma.almagestAny book resembling the Almagest.almight(obsolete) almightyalmokalantA drug used to treat arrhythmia.almorexantA drug that acts as an orexin antagonist.almostVery close to, but not quite.alnight(obsolete) A great cake of wax with a wick in the midst, intended to burn all night.alodialistAlternative form of allodialist.aloftAt, to, or in the air or sky.alonest(nonstandard) Most alone or isolated.alongestObsolete form of alongst.alongst(archaic) alongalopecistOne who undertakes to cure or prevent baldness.alotMisspelling of allot.alpagat(Trinidad and Tobago) A kind of sandal, alpargata.alphabetThe set of letters used when writing in a language.alphabetistSomeone who practices alphabetism, discrimination on the basis of the first letter of a name.alphabetologistOne who studies alphabetology.alphasortThe process of sorting in alphabetical order, especially when performed in an automated fashion.alphornistSomeone who plays the alphorn.alpinistOf or pertaining to alpinism.alpistA seed of canary grass.alreet(Geordie) alrightalright(sometimes proscribed) Alternative form of all right; satisfactory; okay; in acceptable order.alt(music) Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.altarist(obsolete or historical) Someone responsible for or at a church's altaralterantSomething that causes alteration, that alters.alterationistA person whose job is to make clothing alterations.alternantAlternating from one row of a matrix to another.alternatThe custom, among diplomats, of rotation in precedence among representatives of equal rank, sometimes determined by lot and at other times in regular order. The practice obtains in the signing of treaties and conventions between nations.alternativistA supporter of alternativism.althist(Internet slang, fandom slang) Synonym of alternate history (“a genre of fiction based around or involving ahistorical events”).altiloquentPompous, or pretentious in speechaltiportA small airfield at high altitude, typically at a French skiing resortaltisonant(archaic) High-sounding; lofty or pompous.altitonantThundering loudly from high above.altivolant(obsolete) Flying high; soaring.altoistA person playing alto saxophone or some other alto instrument.altrakinceptA human recombinant protein.altrenogest(pharmacology) A progestagen structurally related to trenbolone.altruistA person showing altruism.alumrootAny of several perennial herbs, of the genus Heuchera, native to North America.amadavatAn estrildid finch, Amandava amandava, of India and Southeast Asia, commonly kept and bred as a cagebird.amagatA practical unit of volumetric number density, defined as the number of ideal gas molecules per unit volume at 1 atm (101.325 kPa) and 0 °C (273.15 K). Symbol: amg or Am.amagent(South Africa) A young male criminal gang member.amalgamationistA proponent of amalgamation.amanat(historical) A Native American hostage taken by Russian colonists.amant(archaic) A lover, especially if illicit; a paramour.amarantObsolete form of amaranth.amassmentThe act of amassing.amatorculist(formal, obsolete) An insignificant lover.amautAlternative form of amauti.amazement(countable, archaic) A particular feeling of wonder, surprise, fear, or horror.amazingest(colloquial, nonstandard) superlative form of amazing: most amazingambident(chemistry) Describing a molecule or group that has two alternative and interacting reaction sites, to either of which a bond may be made during a reactionambientEncompassing on all sides; surrounding; encircling; enveloping.ambiloquent(rare) Speaking ambiguously.ambitThe extent of actions, thoughts, or the meaning of words, etc.ambitionistSomeone extremely ambitious.ambivalentSimultaneously experiencing or expressing opposing or contradictory feelings, beliefs, motivations, or meanings.ambivert(psychology) A person who is neither clearly extroverted nor introverted, but has characteristics of each.ambonoclast(derogatory) One who wishes to excessively modernize churches, particularly by removing traditional screens.ambulantAble to walk; ambulatory.ambushment(obsolete) An ambushamdtAbbreviation of amendment.ameliorantA substance that helps plants grow by improving the physical condition of the soil.amelioristA proponent of ameliorism.ameloblastAn epithelial cell that forms the enamel of the developing toothamendmentAn alteration or change for the better; correction of a fault or of faults; reformation of life by quitting vices.ament(botany) A catkin or similar inflorescence.amercement(law) A non-statutory monetary penalty or forfeiture, usually applied at the discretion of a court.amerciamentAlternative form of amercement.amethodist(obsolete) Someone without a method; a quack.amethystA transparent purple to violet variety of quartz with traces of manganese, used as a gemstone.amidmostIn the very middle; central.amidstIn the midst or middle of; surrounded or encompassed by; among.amillennialistOf or pertaining to amillennialism.amiloplastMisspelling of amyloplast.amirightAlternative form of am I right.amit(obsolete) To lose.amletObsolete form of omelette.ammountMisspelling of amount.amnicolist(formal, rare) One who dwells by a river.amnioblastAny of the cells of the amniotic membrane.amollishment(rare) Softening; mollification; appeasing; mitigation.amongestObsolete form of amongst.amongstDenotes a mingling or intermixing with distinct or separable objects. See usage note at amidst.amoralistOne who practises or who advocates amoralism.amoret(obsolete) An amorous girl or woman; a wanton.amoristSomeone who is in love.amort(archaic, literary) As if dead; depressedamortizementThe act or process of amortizing.amountThe total, aggregate or sum of material (not applicable to discrete numbers or units or items in standard English).amouristAlternative form of amorist.ampelographistOne who studies ampelography.ampersat(rare) The at sign (@).amphibiologistOne who studies amphibiology.amphimict(botany, zoology) Any amphimictic plant or organism.amphipodologistA biologist who specialises in crustacea of the order Amphipodaamplect(biology, rare) To grasp (the mating partner) with front legs, so as to engage in amplexus.amplectantclasping or embracingamplectentMisspelling of amplectant.amplestsuperlative form of ample: most ampleamplicant(chemistry, biology) A factor that amplifies a response.amplitudeologist(physics) A theoretical physicist who works in amplitudeology.amritAlternative form of amrita.amtAbbreviation of amount.amuletA religious article, protective charm, or ornament, usually bearing cultural or magical symbols, worn for protection against ill will, negative influences, or evil spirits.amusement(uncountable) Entertainment.amyloblastAlternative form of ameloblast.amyloplast(biology) A specialized leucoplast responsible for the storage of amylopectin through the polymerization of glucose.anachoretAlternative spelling of anchorite.anachronistA person who has anachronistic views or habitsanaesthesiologist(British spelling) Alternative spelling of anesthesiologist.anaesthetist(British spelling) Alternative spelling of anesthetist; an anaesthesiologist.anafront(meteorology) A warm or cold front at which there is upward movement of the warm-sector air above the cold-sector air, commonly producing clouds and precipitation on the cool side of the boundary.anagnost(now chiefly historical) Someone who reads aloud, especially who reads lessons, passages etc. during a church service.anagrammatistA creator or finder of anagrams.anagrammistA person who composes anagrams.anaicutAlternative form of anicut.analept(palynology) Having a leptoma, a thin area, near the distal pole of a pollen grainanalogistSomeone who makes an analogy, or represents something using an analogy.analphabetA person who does not know the letters of the alphabet; a partly or wholly illiterate person.analyistMisspelling of analyst.analysistArchaic form of analyst.analystSomeone who analyzes.anapaest(UK) Alternative form of anapest.anapest(prosody) In qualitative meter, a metrical foot consisting of three syllables, the first two unstressed and the last one stressed.anaplastologistOne who works in the field of anaplastology.anarchistOne who disregards laws and social norms as a form of rebellion against authority.anarchocapitalistAlternative spelling of anarcho-capitalist.anarchocommunistAlternative form of anarcho-communist.anarchopacifistRare spelling of anarcho-pacifist.anarchoprimitivistAlternative form of anarcho-primitivist.anarchosyndicalistAlternative spelling of anarcho-syndicalist.anastigmat(photography) An anastigmatic lens.anatomistOne who studies, teaches, writes on, or does research on anatomy and anatomical structures.anatomopathologistA pathologist whose speciality is anatomopathologyancestoristA proponent of ancestorismanchientObsolete form of ancient.anchoretAlternative spelling of anchorite.anchoristSynonym of anchorite.ancientHaving lasted from a remote period; having been of long duration; of great age, very old.ancodontAny mammal in the infraorder Ancodonta— hippos and their extinct relatives.ancyentArchaic form of ancient.andexanet(pharmacology) Synonym of andexanet alfa.andolastA bronchodilator drug.andragologistOne who practices or specializes in the field of andragogy.androgynistAn androgynous personandrologist(medicine) A person who studies andrology.andtPronunciation spelling of and.anecdotalistOne who recounts anecdotes, or uses them instead of experimental evidence in a field of study.anecdotistOne who relates anecdotes.anent(now rare) Concerning, with regard to, about, in respect to, as to, insofar as, inasmuch as, apropos.anesthesiologist(American spelling, Canadian spelling) A physician who specializes in anesthesiology and administers anesthesia.anesthetist(American spelling, Canadian spelling, medicine) One who gives an anesthetic.anetThe herb dill; also dillseed.angekutAlternative spelling of angekok.angelet(historical) A small gold coin used in England from the 15th centuryangelistA proponent of angelismangelologistA person involved in angelology.angelotA French gold coin from the reign of Louis XI, bearing the image of Saint Michaelangioblast(biology) A cell that differentiates into blood cells and endothelium within an embryo.angiocompetentPermeable to blood vessels.angiographistSynonym of angiographer.angiologist(medicine) A specialist in angiologyangioquiescentIn the absence of angiogenesisangiport(obsolete) A narrow road passing between two houses or a row of houses, or an alley leading to a single house.angriestsuperlative form of angry: most angryangstEmotional turmoil; painful sadness; anguish.anguishtObsolete form of anguished.angust(obsolete) Narrow; strait; contracted; not spacious.anhydrobiont(biology) Any organism that lives in an environment with nearly no wateranhydroprotectantThat protects from the effects of dehydrationaniconistA proponent of aniconism.anicut(India, chiefly South India) A dam built in a stream for maintaining and regulating irrigation.anighstObsolete form of anigh.anight(obsolete) In the night-time, at night.anilinguist(rare) One who performs anilingus.animadvert(intransitive) To criticise, to censure.animalculist(historical) A believer in the theory that the embryo exists preformed within the spermatozoon; a proponent of animalculism.animalist(philosophy) One who believes in the dominance of man's animal nature in behavior.animatAn artificial animal.animatist(anthropology) A believer in animatism.animistA believer in animism.aniserootAny of certain North American herbs of the genus Osmorhiza.anisodont(zoology) Having irregular teeth.anisonogamistOne who is married to someone whose age is unusually different to their own.anitwt(fandom slang) The community of anime fans and anime-focused accounts on Twitter.ankletA piece of jewelry/jewellery, resembling a bracelet but worn around the ankle.ankylothecodont(of teeth) placed in deep sockets and fused to the boneanlaut(linguistics) The first sound of a word (word-initial position) or syllable (syllable-initial position).annalistA writer of annals; a chronicler; a historian.annatAlternative form of annate.annealmentThe process, or the result of annealingannectantjoining, connectingannectentServing to connect or annex.annet(now chiefly dialectal) A duck or drake.annexationistAn advocate of annexationannexionistAn annexationist.annexmentThe act of annexing.annicutAlternative form of anicut.annihilationistA person who believes in annihilationism: that eternal punishment is the annihilation of both the body and the soul.annointArchaic form of anoint.annointmentArchaic form of anointment.announcementAn act of announcing, or giving notice.annoyant(rare) Synonym of annoying.annoybot(computing, slang) A bot within an IRC channel that sends annoying messages to online participants.annoyment(uncountable) Annoyance.annualistOne who writes for, or edits, an annual.annuent(obsolete) nodding; used in noddingannuitantThe recipient of an annuity.annulmentAn act or instance of annulling.anodont(zoology) Having a strong ligament, or a series of transverse ligamental grooves, instead of true hinge teeth.anoint(transitive) To smear or rub over with oil or an unctuous substance; also, to spread over, as oil.anointmentThe act of anointing with oil or other liquids.anomalist(linguistics) An advocate of anomalismanomodont(zoology) Any therapsid of the suborder Anomodontia.anopsologistThe proponent of anopsology.anorexiantA thing, especially a medication, that promotes a decrease in body weight or a reduction in appetite.anoscopistA person who is skilled in anoscopyanovulantAny drug that prevents ovulation.anslaightArchaic form of onslaught.ant(Internet) A Web spider.antabonistMisspelling of antagonist.antagonistAn opponent or enemy.antaircraftRare spelling of antiaircraft.anteact(obsolete, rare) A preceding act (deed or action).antecedentEarlier, either in time or in order.antecrochetA fold of enamel on the molar teeth of some rhinoceros.antecryst(petrology) A crystal formed from an earlier phase of the magmatic system, different from later forming crystals.antedependentHaving an antedependenceantefact(obsolete) Something done before another act.antelabbitSynonym of jackalope (“folkloric animal”).antepagment(architecture) Synonym of antepagmentum.antepast(obsolete) A foretaste.antepenultThe third-to-last syllable of a word.anteportA hanging or covering in front of a door.antepost(gambling) Being a kind of bet, in horse-racing and greyhound racing, placed before the racecourse's betting market has opened, on the expectation that the price of the animal is presently more favourable than it will be when the market opens.antepredicament(logic) A prerequisite to a clear understanding of the predicaments and categories, such as definitions of common terms.anteriormost(anatomy) Nearest the front or head.anternetThe means by which ants communicate with each other, analogous to the TCP/IP algorithm that the internet uses to control the flow of data.antevenient(formal) Coming before; preceding.antevert(medicine) To displace by anteversion, or make antevertedanthecologistOne who studies anthecology.anthelmintAlternative form of anthelmintic.anthologista person who anthologizesanthracologistOne who studies anthracology.anthreptA kind of inceptisol modified by human habitation and farming.anthrobotA machine designed to resemble a human being; an android.anthropobiologistbioanthropologistanthropocentristA person who accepts the ideas of anthropocentrismanthropoglotAn animal (such as a parrot) with tongue similar to humans allowing human-like speech.anthropolinguistOne who studies anthropolinguistics.anthropologistAn expert in anthropology.anthropometristA practitioner of anthropometryanthropomorphistOne who anthropomorphizes.anthropophagist(Brazilian culture) A follower or representative of the Manifesto Antropófago of Oswald de Andrade, Brazilian poet; one who advocates a "cannibalistic" attitude towards the appropriation of European culture.anthroposociologistOne who studies anthroposociology.anthroposophistA proponent of anthroposophy.anthropotomist(archaic) Someone versed in anthropotomy, or human anatomy.anthrozoologistOne who studies anthrozoology.antiabolitionistOne who opposed the abolition of slavery.antiabortifacientPreventing miscarriage.antiabortionistOne who is opposed to the practice of abortion, or to it being legal.antiabsolutistOne who opposes absolutism.antiactivistOpposing activism.antiadaptationistOne who rejects adaptationism.antiadiaphoristOne who opposes adiaphorism.antiageistOpposed to ageism.antiagglomerantThat prevents the agglomeration of small particlesantiaggregant(medicine) That prevents the aggregation of platelets; antiplatelet.antiaggressionistOne who opposes aggression.antiagreementOpposing an agreement.antiagregantMisspelling of antiaggregant.antiaircraftAlternative spelling of anti-aircraft.antiairportOpposing the construction of an airport.antialarmistOpposing or countering alarmism.antialcoholistOne who opposes the drinking of alcohol.antialignmentThe alignment of two things in opposite directionsantiamendmentOpposing an amendment.antianarchistAlternative spelling of anti-anarchist.antiannexationistOne who is opposed to annexationismantiappeasementOpposing a policy of appeasement.antiarabistSomeone who exhibits antiarabismantiaristocratOne who opposes the aristocracy.antiartOpposed to art, or to the concept of fine artantiartistAn artist who creates antiart, in opposition to artistic norms.antiassignment(law) Preventing the assignment (of a right, obligation, etc.) from one party to another.antiassimilationist(sociology) Opposing assimilationism.antiatheistOne who opposes atheism.antiatonement(religion) Rejecting the possibility of atonement for sin.antiauteurist(film) Opposed or contrary to auteurismantibailoutOpposing a bailout.antiballetA ballet that deliberately avoids the typical conventions of ballet.antibelligerentOpposing a policy of belligerence.antibiofoulantAny substance used to remove biofoulants.antibiont(biology) Any organism that produces antibiotics or participates in antibiosisantiblastCountering a blast.antibloatPreventing bloating.antibolshevist(politics) One who opposes Bolshevism.antibotA series of small plates fitted to crampons to prevent the buildup of snow.antiboycottOpposing or countering a boycott or boycotts.antibudgetActing against or opposing a budget.antibulletCountering bullets.antibullfightOpposing bullfighting.antibullionistOne who rejects bullionism.antibureaucratOpposed to bureaucracy.antibuyoutOpposing a buyout.anticapitalist(politics) One who opposes capitalism or subscribes to anticapitalism.anticatOpposing or disliking cats.anticatalystAny substance that inhibits the activity of a catalyst.anticataractPreventing or countering cataracts.anticentristAlternative spelling of anti-centrist.anticeremonialistOne who opposes ceremonial in religion.antichauvinistOne who opposes chauvinism.anticheatPreventing or opposing cheating.antichristOne who works against the teachings of Christ.anticipointmentAlternative form of anticippointment.anticippointment(informal, rare) A feeling of anticipation followed by disappointment.anticlassicist(art) One who opposes or rejects what is classical.anticlericalistAn advocate of anticlericalism.anticlotCountering clotting of the blood.anticoagulantThat prevents coagulation, that stops blood from clotting.anticoagulentMisspelling of anticoagulant.anticobalt(particle physics) The antiatom form of cobalt.anticoherent(physics, of waves etc) Having the same wavelength and phase but the opposite directionanticoincidentRelating to anticoincidenceanticollaborationistOne who opposes collaboration or collaborationism.anticollectivist(politics) Opposing collectivism.anticolonialist(politics) Opponent of colonialism.anticolonistSynonym of anticolonialist.anticombatOpposed to combat.anticommunistOpposed to the tenets of communism.anticomplement(biochemistry) Synonym of complement.anticonceptionistcontraceptionistanticonceptualistOne who opposes conceptualism.anticonduit(finance) Prohibiting conduits.anticonfederationistOne who opposes confederation.anticonfinement(physics) The state of being anticonfinedanticonflictOpposing or counteracting conflict.anticonformistAn advocate of anticonformityanticonquestOpposing a conquest; regarding the indigenous inhabitants of a colonised country as victims rather than foes of the colonisers.anticonscriptionistOne who opposes military conscription.anticonstitutionalistOne who opposes a constitution; an opponent of constitutionalism.anticonsumeristOpposed to consumerismanticontactOpposing or forbidding contact.anticontagionist(medicine) A proponent of anticontagionism.anticonvulsant(pharmacology) An agent that prevents, stops, or lessens convulsions.anticorporatistOne who opposes corporatism or corporations.anticorsetOpposing the wearing of corsets.anticounterfeitThe prevention or combat of counterfeiting.anticourtOpposing a legal court.anticreationistSomeone who is against creationism.anticult(religion) Opposed to cults.anticultistOne who opposes cults, typically as a form of secular activism.antidebtCountering or opposed to debt.antideconstructionistOne who rejects the theory of deconstructionism.antidecuplet(physics) A proposed grouping of light pentaquarksantidefendantOpposing the defendant (as in a legal trial).antideficit(economy) Acting against or opposing a deficit.antideistAn opponent of deists and deism.antidemocratOne who opposes democracy.antidepressant(pharmacology) An agent that prevents or counteracts depression.antidesiccantPreventing desiccation.antideterminant(genetics) Something that prevents a nuclease from cutting at a specified pointantidetonantAn antiknock or antidetonation substance.antidevelopment(politics) Opposed to development, particularly the development of neighborhoods or landantidevolutionistAlternative form of anti-devolutionist.antidietOpposing dieting.antidiscountOpposing or prohibiting discounts.antidisestablishmentOpposed to the separation of church and state.antidisestablishmentarianist(rare) An antidisestablishmentarian.antidissidentOpposing dissidents.antidominant(mathematics) Having the property that all mappings yield a value no smaller than itself.antidormantSynonym of antidormancy.antidot(quantum mechanics) A small, circular region of opposite charge or magnetization, especially one that is part of a semiconductor deviceantidraftOpposing the draft (military conscription).antidroughtOpposing or countering drought.antidualistOne who rejects dualism.antidustResistant to dust.antielementThe antimatter analog of an element; antiatom.antielitist(sociology) Opposed to elitism.antiempiricist(philosophy) One who opposes empiricism.antiemploymentOpposing or countering employment.antiendowmentOpposing an endowment.antientObsolete spelling of ancient.antienvironmentDoing harm to the natural environment.antienvironmentalistAlternative form of anti-environmentalist.antiessentialist(philosophy) Opposing essentialism.antiestablishmentAlternative spelling of anti-establishment.antievolutionistA person who believes, or argues, that evolution does not take place.antiexpansionistOne who opposes expansionism.antiexport(economy) Opposing exports.antiexpressionist(art) Opposing expressionism.antiextremistCountering or opposing extremism.antifadantAny antifadent materialantifadentThat counters fading (of fluorescence)antifaggot(derogatory, neologism, offensive, politics, vulgar) An antifascist.antifascistOpposed to the tenets of fascism; antifa.antifatOpposed to obese people; fattist.antifederalistAlternative spelling of anti-federalist.antifeedant(ecology) That inhibits normal feeding behaviour.antifeltPreventing felting.antifeministAntagonistic to feminism.antiferromagnet(physics) An antiferromagnetic materialantifeudalistSynonym of antifeudal.antiflatulent(pharmacology) Serving to prevent flatulence.antifluoridationistOne who opposes the addition of fluoride to the public water supply.antifoggantAn antifogging agent.antiformalistOpposed to formalismantifoulantAny antifouling substance.antifoundationalist(epistemology) One who rejects foundationalism.antifraudulentActing against fraud.antifrostPreventing, or countering the effects of frost.antifrustrationistA person who adheres to the philosophy of antifrustrationism.antifundamentalistOne who opposes fundamentalism.antigenderistOne who supports or engages in antigenderism.antighost(mathematics, physics) A field with a negative ghost number.antiglobalistOpposing globalism.antigoat(immunology, of an antibody) Reacting with the immunoglobins found in goats.antigout(pharmacology) Countering gout.antigovernmentOpposed to a government currently in power.antigraft(politics) Opposed to or working against graftantiharassmentCounteracting harassment.antiheartPertaining to an autoimmune response affecting the heart.antihedonistOne who opposes hedonism.antihegemonistOne who opposes a hegemony.antihierarchistOne who opposes a hierarchy.antihistoricistOne who subscribes to antihistoricism.antihumanist(ethics) Opposing humanismantihunt(engineering) Preventing hunting, or fluctuating around a central value without stabilizing.antiimmigrantUncommon spelling of anti-immigrant.antiimperialistrare spelling of anti-imperialistantiimportOpposing imports.antiinsectOpposing or countering insects.antiinstitutionalistUncommon spelling of anti-institutionalist.antiintellectualistAlternative form of anti-intellectualist.antiinvariant(mathematics) Having the property that when subjected to a specified operation the result is the same as multiplying by the determinant.antijihadistOpposing jihadism.antileft(politics) Opposing the political left.antilightA hypothetical inverse of light, associated with antimatter.antilimitOpposed to a limit or limits.antilocustDestroying or opposing locusts.antilustOpposing or inhibiting lust.antimachinistSomeone who is hostile to machinery; a LudditeantimaggotCountering maggots.antimanagement(business) In opposition to management.antimarket(economy) Opposed to the free market.antimasculinistOpposing masculinity or men.antimaterialistA person who subscribes to antimaterialism.antimatrimonialistOne who opposes matrimony.antimeatOpposing the use of meat as a foodstuff; stridently vegetarian or vegan.antimechanist(philosophy) One who rejects mechanism.antimetaphysicalist(philosophy) A person opposed to metaphysics; an antimetaphysical person.antimigrantOpposing migrants.antimilitantOpposing militants.antimilitarist(politics) Opposed to militarismantiministerialistSomeone opposed to government ministers or ministries.antimiscegenationistOne who favours antimiscegenation.antimiscegenistOne who favours antimiscegenation.antimisogynistOpposed to misogyny; serving to prevent misogyny.antimodernistOpposing modernism.antimonarchist(politics) One who is opposed to monarchy.antimoniuret(chemistry, obsolete) An antimonide.antimonopolist(economy) One who opposes monopolies.antimoralistOne who opposes moralism.antimotoristOne who opposes the use of motor vehicles.antimovementA social or political movement that opposes something specific.antimutant(science fiction) Opposing mutants.antinatalist(philosophy, sociology) A supporter of antinatalism.antinationalist(politics) Of, pertaining to or supporting antinationalism.antinativist(politics) Opposing nativism.antinaturalist(philosophy, sociology) Opposing or rejecting naturalism.antinauseant(pharmacology) Any drug that counteracts nausea.antinihilist(philosophy) One who opposes nihilism.antinominalist(philosophy) A supporter of the philosophy of antinominalism.antinomistAn antinomian.antinovelist(literature) A writer of antinovels.antinuclearistOne who is opposed to nuclear weapons.antinudistProhibiting or opposing nudism.antinutrient(biochemistry) Any substance that interferes with the absorption or metabolism of a nutrientantiopiumist(historical) One who opposes the use of the drug opium.antioptimistOne who rejects optimism.antioptionist(finance) One who opposes options.antiovulantSynonym of anovulant.antioxidantAny substance that slows or prevents the oxidation of another chemical.antiozonantAny chemical compound that prevents or slows down the degradation of material by ozone gas in the air.antipacifistOpposing pacifism.antipaedobaptistSomeone opposed to the practice of infant baptism.antipapalistSynonym of antipapist.antipapist(Roman Catholicism) One who subscribes to antipapism.antiparliamentOpposing a parliament.antiparliamentaristSynonym of antiparliamentarian.antipatentOpposing patents (legal claims to inventions) or the nature of current patent law.antipathistAn enemy or opponent.antipatriotOne who shuns or opposes patriotism; an unpatriotic person.antipeasantOpposing peasants.antipedobaptistAlternative form of antipaedobaptist.antiperoxidantSynonym of antiperoxidative.antipersistent(mathematics) Describing a stochastic process that has a negative correlation between its increments.antiperspirant(countable, uncountable) A substance used to minimize perspiration (sweating), and usually applied to the underarm area.antipest(public health, pharmacology) Serving to counter or eliminate pests.antipetOpposed to pets.antipickpocketOpposing or countering pickpockets.antiplanet(astrophysics) A hypothetical planet composed of antimatter.antiplantDesigned to kill plants; herbicidal.antiplatelet(immunology) Working against or destroying blood platelets.antipluralist(sociology) Opposing sociological pluralism.antipoet(poetry) A writer of antipoetry.antipoint(geometry) One of a pair of points constructed from two foci of a curve.antipollutantOpposing or preventing pollution.antipollutionistAn opponent of pollution.antipolyvalent(immunology) That counters polyvalent antibodiesantipopulationistOpposing overpopulation.antipopulist(politics) One who opposes populism.antiportTo simultaneously transport different molecules or ions through a cell membrane in opposite directions.antipositivist(social sciences) Relating to antipositivism.antipot(informal) Opposed to the use of marijuana.antipragmatist(philosophy) One who rejects pragmatism.antipreformationistOpposed to the theory of preformationism.antipriestOne taking a role opposite to that of priest.antipriestcraftOpposition to priestcraft.antiprogressionistOne who opposes progress.antiprogressistOne who opposes progress.antiprogressivistOpposing progress.antiprohibitionistOne who opposes the prohibition of alcoholic drink.antipropagandistOne who opposes the use of propaganda.antiprotectionist(economics) Opposing or disliking protectionism.antiprotestOpposing or countering a political protest.antiprotestant(Christianity) Opposing the Protestant form of Christianity.antiprotistThat counters protistsantipsychiatristOne who opposes psychiatry.antipsychologist(philosophy) A proponent of antipsychologism.antipunishmentOpposing punishment.antiputrescentCounteracting, or preserving from, putrefaction; antiseptic.antiquarianistA proponent of antiquarianism.antiquariatAn antiquarian bookshop.antiquaristSynonym of antiquarian.antiquist(archaic) An antiquary; a collector of antiques.antirabbit(immunology) Describing an antibody, resident in a human or other animal, that reacts with any antigen found in (and with some relevant degree of specificity to) rabbits.antiracistOpposed to racism.antiratOpposing rats.antirationalist(philosophy) Opposing philosophical rationalism.antirealist(philosophy) One who rejects realism.antiredevelopmentOpposing redevelopment.antireductionist(philosophy) A proponent of antireductionismantireformist(politics) An opponent of reform.antirent(US, historical) Opposing the collection of outstanding rents in upstate New York during the early 19th century after the death of Stephen Van Rensselaer III.antirepeatthat prevents repeated actionsantirepresentationalist(philosophy) One who opposes representationalism.antireservationistA person of antireservation beliefs (in either sense).antiresistantAny substance added to a pesticide to reduce its resistance to pests.antiresonant(physics) Of, pertaining to, or exhibiting antiresonanceantirestrictionistAn opponent of placing restrictions on something.antirevisionist(historiography) One who opposes revisionism.antirevolutionistSynonym of antirevolutionary.antirightist(historical) A member of the Anti-Rightist Movement, a Chinese movement of the late 1950s involving a series of campaigns to purge alleged "rightists" (those intellectuals who appeared to favour capitalism and were against collectivization) within the Communist Party of China and abroad.antiriotServing to counteract rioting.antirobotOpposed to robots.antirocket(military) Designed to prevent, or counterattack against, rocket fireantiroyalistOne who opposes royals or royalism.antirustAlternative spelling of anti-rust.antisacerdotalistOne who opposes priests or the priesthood.antisaltOpposing salt.antiscalant(chemistry) Material preventing or slowing scaling of a surface.antiscalentAlternative form of antiscalant.antiscientist(uncommon) One who opposes scientism.antisegregationist(politics) One who opposes racial segregation.antisenescentRelating to antisenescenceantiseparatist(politics) One who opposes separatism.antisepticist(historical) One who believes in the importance of antisepsis in medicine.antiset(mathematics) Any set that transforms via a converse function.antisettlementOpposing a settlement.antisexistOpposed to sexism.antisextet(particle physics) A sextet of related antiparticlesantisexualistA person who is antisexual.antishortPreventing a short circuit in electrical equipment.antislavist(historical) An opponent of slavery, an abolitionist.antismut(informal) Opposed to obscenity or pornography.antisocialist(politics) One who opposes socialism.antisociologistOne who opposes or subverts the usual beliefs or conventions of sociology.antisolvent(physical chemistry) A solvent in which the product is insoluble.antisovietAlternative form of anti-Soviet.antispast(prosody) A metrical foot composed of an iambus and a trocheeantispeciesistA proponent of antispeciesism.antispecistAlternative form of antispeciesist.antisportOpposing sport.antistatAny antistatic compound.antistatist(politics) One who opposes state intervention into personal, social or economic affairs.antistraightOpposing heterosexuality.antistructuralist(sociology) One who opposes structuralism.antistudentOpposing students.antisuffragistOne who opposes suffrage.antisuit(law) Being or relating to an injunction that prevents an opposing party from commencing or continuing a proceeding in another jurisdiction or forum.antisupermarketOpposing supermarkets.antisupernaturalistOne who opposes supernaturalism.antisupremacistOpposing supremacism.antisurfactantThat counters the effect of a surfactantantisweatPreventing the build-up of moisture or condensation.antisweet(biochemistry) Countering a sweet taste.antisymbolistOne who opposes symbolism.antisyndicalistOne who opposes the principles of syndicalism.antitangentSynonym of arctangent.antitarget(biochemistry) A receptor, enzyme, or other biological target that, when affected by a drug, causes undesirable side effects.antitechnologistOne who opposes technology.antiterroristPreventing or counteracting terrorism, or reducing the threat from terrorism.antitheftAgainst or preventing from being stolen.antitheistAn active opponent of the belief in the existence of a god or gods.antithet(archaic) An antithetical or contrasted statement.antithrustThat resists the effects of a thrustantitiltPreventing tilting.antitobacconist(dated) One who opposes the habit of smoking tobacco.antitouristOpposing tourism.antitraditionalist(sociology) An opponent of traditionalism.antitranspirant(botany, horticulture) Reducing transpiration in plants.antitreatmentOpposing treatment (of a psychiatric condition, etc.).antitriplet(particle physics) The antiparticle of a specified triplet (triquark).antitrout(immunology) Of an antibody: reacting with the immunoglobins found in trout.antitrust(law) Opposed to or against the establishment or existence of trusts (monopolies), usually referring to legislation.antitwilightSynonym of antitwilight arch (“atmospheric phenomenon”).antiultravioletBlocking ultraviolet light.antiunemployment(politics) Opposing or countering unemployment.antiunionistOne who opposes trade unions.antiuniversalist(theology) One who opposes universalism (the theological belief that all souls can attain salvation).antivaccinationistOne who opposes vaccination.antivaccinistantivaccinationistantiviolent(law enforcement, sociology) Acting against or opposing violence.antivitalistOne who opposes vitalism.antivivisectionistA person opposed to the practice of vivisection.antiwartActing against warts.antiwitchcraftOpposing the practice of witchcraft.antizealotOne who opposes zealotry.antizeist(medicine, archaic, historical) One who believed that maize was not the cause of pellagra.antizionistRare spelling of anti-Zionist.antletA small immature ant; an antling.antpipitAny of the genus Corythopis of birds in the Tyrannidae family.antsiestsuperlative form of antsy: most antsyanukabietAn old Thai unit of length, approximately 2.6 centimetres.anxietist(rare) One who has anxiety or is often anxious, especially socially.anycast(networking) A network addressing and routing scheme whereby data is routed to the nearest or best destination as viewed by the routing topology.anyshit(vulgar, colloquial) anyhow; anywayanywhat(dated or rare) Anyway.aorist(grammar) A verb paradigm found in certain languages, usually an unmarked form or one that expresses the perfective or aorist aspect.aout(rare) Eye dialect spelling of out.apafantAn antiplatelet drug.apaht(New England) Pronunciation spelling of apart.apartPlaced separately (in regard to space or time).apartheidist(sociopolitics) A proponent of apartheidapartmentA room within a house.apatheist(religion) A person who does not care about the existence of a God or gods; a supporter of apatheism.apathistOne who has no feeling towards anything, or more specifically religion.apelet(uncommon) A young ape.aperest(slang, ethnic slur, derogatory, offensive) An arrest or incident of an arrest of a black person.aperient(medicine) Having a gentle laxative effect.apert(archaic) open; uncovered; revealedapesault(slang, ethnic slur, derogatory, offensive) An assault perpetrated by a black person.apeshit(slang, vulgar) Out of control due to anger or excitement.aphantOne who has aphantasia.aphasiologist(speech therapy) One who studies or practices aphasiology.aphidologistOne who studies aphidology.aphoristA person who creates or recites aphorisms.aphract(nautical, historical) Of a galley; having the upper tier of rowers exposed rather than shieldedapicoplast(microbiology) A relict, non-photosynthetic plastid found in most of the Apicomplexa, proposed to have evolved via secondary endosymbiosis and surrounded by four membranes within the outermost part of the endomembrane systemapiologistA person who studies apiology, the science of bees and honey-making.apistevist(rare, particularly religion) Someone who rejects using faith as a legitimate method to reach conclusions.apitpatAlternative form of pit-a-pat (“With quick beating or palpitation”).aplanat(optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.apneist(non-native speakers' English) A free-diver.apocalypstOne who predicts an apocalypse.apocalyptOne who predicts an apocalypse.apocalypticistA person who holds or expresses an apocalyptic view.apocalyptistOne who predicts an apocalypse.apochromat(optics) A kind of lens corrected for chromatic and spherical aberration.apocryphalist(Christianity) A member of the group who supported the inclusion of the Apocrypha in the Bible.apodict(philosophy, rare) An apodictic proposition; a non-mathematical axiom.apoferment(biochemistry) apoenzymeapologist(loosely) One who makes an apology.apomict(botany, zoology) Any apomictic plant or organism.apophthegmatistAlternative form of apothegmatist.apoplast(botany) The space outside of a plant's plasma membrane through which water and soluble nutrients are transported across a tissue or organaport(nautical, archaic) on the left side of the boataposymbiont(biology) An aposymbiotic symbiontapotarget(biochemistry) An apoprotein that is the target of a biochemical reaction.apothecaristSynonym of apothecary.apothegmatistA collector or maker of apothegms.apout(especially of the lips or mouth) Protruding to form a pout.appallmentShock or depression occasioned by terror or disgust; dismay; the state of being appalled.appalmentThe state of being appalled or alarmed.appanagist(historical) A prince to whom an apanage has been granted.apparantMisspelling of apparent.apparatThe Soviet machinery of state bureaucratic administration, or a similar communistic structure.apparelmentClothing, including accessories.apparentCapable of being seen, or easily seen; open to view; visible to the eye; within sight or view.apparitionistA believer in apparitions.appartement(non-native speakers' English) Misspelling of apartment.appeachment(obsolete) accusationappealantObsolete form of appellant.appeasementThe state of being appeased; the policy of giving in to demands in order to preserve the peace.appellant(law) Of or relating to appeals; appellate.appendantAttached as an appendage.appendmentThe act or practice of appending.appertainment(obsolete) That which appertains or belongs to a person; an appurtenance; trappings.appertinentBelonging; appertaining; appurtenant.appestatThe area of the brain (possibly in the hypothalamus) supposed to control appetite and regulate food intakeappetent(archaic) Eagerly desirous; greedy.appetitostA Danish cheese made from sour buttermilk.applaudit(archaic) A plaudit; praise.applecartA barrow from which apples and other fruit were formerly sold in the streetapplet(computing) A small program module that runs under the control of a larger application, typically a web browser.applicantOne who applies for something; one who makes a request; a petitioner.applicationistA proponent of applicationism.appliment(obsolete) Applicationapplot(archaic, transitive) To divide into plots or parts; to apportion.applotmentapportionment; allocationappmtAbbreviation of appointment.appoint(transitive) To set, fix or determine (a time or place for something such as a meeting, or the meeting itself) by authority or agreement.appointmentThe act of appointing a person to hold an office or to have a position of trustapport(parapsychology) An object that appears from an unknown source.apportionmentThe act of apportioning or the state of being apportioned.appoyntObsolete form of appoint.appraisement(dated) The act of appraising.appreciant(archaic) appreciativeapprizementArchaic form of appraisement.approachment(archaic) approachapprovement(UK, law, obsolete) A confession of guilt by a prisoner charged with treason or felony, together with an accusation or implication against the accomplices and a giving evidence against them in order to obtain his own pardon.approximant(mathematics) An approximation to the solution of a function, series, etc.apptAbbreviation of appointment.appurtenantOf or pertaining to an appurtenance.appurtenauntObsolete form of appurtenant.apratastat(pharmacology) A matrix metalloproteinase inhibitor.apremilast(pharmacology) A medication that acts as a selective inhibitor of phosphodiesterase 4, used for the treatment of psoriasis, psoriatic arthritis, and Behçet's disease.aprepitant(pharmacology) An antiemetic drug C₂₃H₂₁F₇N₄O₃ taken orally to prevent nausea and vomiting occurring as a consequence of cancer chemotherapy or surgery. It acts as an antagonist of receptors for substance P. It is often taken in combination with other antiemetic drugs and is marketed under the trademark Emend.apricotThe apricot tree, Prunus armeniaca.apriorist(philosophy) A believer in apriorism.aptSuitable; appropriate; fit or fitted; suited.aquaculturist(agriculture) A person involved in aquaculture.aquaductMisspelling of aqueduct.aquaeductArchaic spelling of aqueduct.aquafact(geology) A boulder worn by running water that is too large to be rolled as a pebble, worn smooth on the upstream or seaward side and exposed top and with a sharp ridge on the downstream or landward side.aquafitAlternative form of aquafitness.aquafortistOne who prepares etchings or engravings using aqua fortis. [from 19th c.]aqualungistA diver who uses an aqualung.aquanautAn underwater explorer.aquaplanet(astronomy) Synonym of ocean world.aquaplastA thermoplastic material that is used for making splints to hold broken bones in placeaquaponist(agriculture) One who practises aquaponics.aquarellist(art) An artist who paints aquarellesaquariist(dated) One who keeps fish in an aquarium.aquaristA person who maintains an aquarium.aquastatA device that automatically responds to changes in temperature of a liquid, typically water in a domestic hot water heating system, by activating a heating or cooling system to maintain the temperature of the liquid at a desired setting.aquatintA form of etching with acid on a plate partially covered with varnish that produces a print somewhat resembling a watercolour.aquatintistAn artist who makes aquatints.aquavitA Scandinavian liquor distilled from potato or grain mash to about 40% ABV and typically flavored with anise, although caraway seeds, fennel, dill, and other spices and herbs are also used.aqueductAn artificial channel that is constructed to convey water from one location to another.aquent(soil science) A kind of wet soil formed on river banks, tidal mudflats etc.aquept(soil science) A kind of inceptisol with a water table close to the surface.aquert(soil science) An aquic vertisol.aquiculturistAlternative spelling of aquaculturist.aquitMisspelling of acquit.aquult(soil science) A kind of ultisol found in areas with an aquic moisture regime.aqvavitAlternative spelling of aquavit.arachnologistOne who is engaged in arachnology, the study of arachnids.arahant(Theravada Buddhism) Eminently high achiever who has attained enlightenment.arahatAlternative form of arhat.araneologistOne who studies spiders.arbalestA steel crossbow.arbaletAlternative form of arbalest.arbalistAlternative form of arbalest.arbelestAlternative form of arbalest.arbit(India, colloquial) Strange, random or weird.arbitragistOne who engages in arbitrage.arbitramentThe judgement of an arbiter or arbitrator; an arbitration.arbitrationistA proponent of arbitrationism.arbitrementAlternative spelling of arbitrament.arblast(historical) A wooden crossbow with a special drawing mechanism, used to fire bolts, stones, etc.arborealist(zoology) Any arboreal organism.arborescentLike a tree; having a structure or appearance similar to that of a tree; branching.arboret(obsolete) A small tree or shrub.arboriculturistA person who practices arboriculture; a tree surgeon.arboristA person in the practice of arboriculture; a tree surgeon.arbovirologistA virologist who specialises in the arbovirusesarbust(not attested in dictionaries) a bush, shrubarcanistA person who studies arcana or religious mysteries.arcanologistOne who studies arcanology.arccosecant(trigonometry) function that is the compositional inverse of the cosecant function. Symbol: arccscarccotangent(trigonometry) An inverse of the cotangent function. Symbol: arccotarchabbot(ecclesiastical) In certain Catholic (notably Benedictine) congregations, the title of the general superior, ranking above all other abbots, vested in a particular abbey, which hence is called an archabbey (usually its motherhouse, such as Beuron, which gave its name to a Benedictine congregation).archaeobiologistOne who studies archaeobiology.archaeobotanistA person engaged in archaeobotany.archaeogeneticist(archaeology, genetics) A geneticist whose speciality is archaeogeneticsarchaeographist(linguistics) A person who specializes in archaeography, the study of antique writingsarchaeologistSomeone who studies or practises archaeology.archaeometallurgistAn expert in archaeometallurgy.archaeometristA scientist whose speciality in archaeometryarchaeomusicologistOne who studies archaeomusicology.archaeozoologista person who studies archaeozoologyarchaistA person who studies archaic things; an antiquaryarchantagonistA chief antagonist.archdespotA chief despot.archeologist(chiefly US) Alternative spelling of archaeologist.archeozoologistAlternative spelling of archaeozoologist.archestsuperlative form of arch: most archarchet(music, rare) Violin bow.archicontinent(geology, rare) A continental land mass that was present in geologic timearchimperialistA strong supporter of imperialism.archistOf or pertaining to archism.architAbbreviation of architecture.architectA professional who designs buildings or other structures, or who prepares plans and superintends construction.architouristA tourist whose primary activity involves seeing buildings and other architectural works.archivistOne who is in charge of, or performs the task of creating, collecting, cataloguing and organising archives.archivolt(architecture) An ornamental molding or band following the curve on the underside of an arch.archlutistSomeone who plays an archlute.archmodernistA leading modernist.archnationalistExtremely nationalist.archontologistA person who studies archontologyarchpriest(Eastern Orthodoxy) The highest rank given to a married priest.archracistAn extremely racist person.archsegregationistA primary segregationist; a strong supporter of segregation.archt(archaic) simple past and past participle of archarcjetA rocket engine that uses an electric arc for propulsion.arclet(astronomy) A small arc of a galaxyarclightAlternative form of arc light.arcsecant(trigonometry) function that is the compositional inverse of the secant function. Symbol: arcsecarctangent(trigonometry) Any of several single-valued or multivalued functions that are inverses of the tangent function. Symbol: arctan, tan⁻¹ardentFull of ardor; expressing passion, spirit, or enthusiasm.areet(Northern England) Pronunciation spelling of all right.arentMisspelling of aren't.areolet(entomology) A small space on the wings of insects, circumscribed by the radii.areologistOne who studies the planet Mars.aret(obsolete) To impute (something) as a fault to or upon someone.aretalogistOne who recites or who authors aretalogies.argent(heraldry) The white or silver tincture on a coat of arms.argonautAny of several species of shelled octopods of the family Argonautidae (of which only the genus Argonauta is not extinct).argotA secret language or conventional slang peculiar to thieves, tramps and vagabonds.arguementMisspelling of argument.argument(countable, also figuratively) A fact or statement used to support a proposition; a reason.arhat(Buddhism) One who has attained enlightenment; a Buddhist saint.arightRightly, correctly; in the right way or form.ariot(postpositive) Filled with or involving rioting or riotous behaviour.arist(obsolete) A rising, as from a seat, a bed, or the ground, or from below the horizon.aristocratOne of the aristocracy, nobility, or people of rank in a community; one of a ruling class; a noble (originally in Revolutionary France).aristologista person who studies aristologyaristophagist(obsolete, chiefly England) lacto-ovo-vegetarianarkeologistSomeone who studies the story of Noah's ark, particularly by searching for physical evidence which would corroborate it.arkwright(obsolete) A maker of cabinets or chests.armamentA body of forces equipped for war.armetA type of mediaeval helmet which fully enclosed the head and face, first found in the 1420s in Milan.armfloat(swimming) Synonym of armband (“one of a pair of inflatable plastic bands, normally worn on the upper arms, to help the wearer (often a child) float in water and learn to swim”).armgaunt(nonce word, archaic) Of uncertain meaning; perhaps describing gaunt or slender limbs.armipotent(poetic, archaic) A powerful combatant.armisonant(obsolete, nonce word, poetic) Resounding with arms, or weapons.armletA band worn on the arm for ornamental or identification purposes.armonicistSomeone who plays an armonicaarmorist(heraldry) A person skilled in the bearings of coats of arms, and all relating to their emblazonment.armorplast(science fiction) A fictional material, often described as being strong, flexible, and transparent.armouristAlternative form of armorist.armpitThe cavity beneath the junction of the arm and shoulder.armrestPart of the seat of a chair that is designed to support the arm.arnestPronunciation spelling of earnest.arnotAlternative spelling of arnut.arnut(Scotland, archaic) The earthnut.aroint(archaic, imperative, transitive) avaunt; begone; go away; leave!aromatherapist(alternative medicine) A practitioner of aromatherapy.aroostOf a bird, roosting.aroyntAlternative form of aroint.arpeggionistSomeone who plays the arpeggione.arpentA pre-metric French unit of length, having various official measures (from 58 to 72 metres).arraignment(law) The formal charging of a defendant with an offense; in many jurisdictions it includes their response in the form of a plea, typically as guilty, not guilty, or no contest.arrangementThe act of arranging.arrangmentMisspelling of arrangement.arrant(by extension, dated) Very bad; despicable.arraught(obsolete, poetic) obtained or gotten; seizedarrauntObsolete form of arrant.arraylet(programming) Any of the subarrays that make up a larger array-like data structure whose elements do not have to be stored contiguously.arrayment(archaic) Array; clothing.arrestA check; a stop; an act or instance of arresting something.arrestantAny substance that halts insect development, as used in pesticides.arrestmentThe action of arresting (in any sense)arretAlternative form of arrêt.arrgtAbbreviation of arrangement.arrhythmologistA physician who is a specialist in arrhythmiaarrivantA person who is arriving or has just arrived.arrogantHaving excessive pride in oneself, often with contempt or disrespect for others.arrogauntObsolete form of arrogant.arrondissementAn administrative division in some French- or Dutch-speaking countries.arrowpointSynonym of arrowhead (“pointed part of an arrow used as a weapon”).arrowroot(uncountable) A starchy substance obtained from the rhizomes of an arrowroot plant used as a thickener.arrowslitA slit, as in a castle wall, through which arrows can be fired.arsebiscuit(UK, Ireland, Commonwealth, slang, vulgar) Alternative form of arse biscuit.arsehat(UK, Ireland, Commonwealth, sometimes vulgar, often humorous, slang) British standard spelling of asshat.arsenfast(archaic) resistant to arsenicarseniuret(inorganic chemistry, obsolete) An arsenide.arsenoblastmasculonucleusarsesmartA water pepper plant, of species Persicaria hydropiper (formerly Polygonum hydropiper).arsiestsuperlative form of arsy: most arsyarsmartObsolete spelling of arsesmart.arsonistOne who has committed the act of arson, or illegally setting fire to property.art(uncountable) The creative and emotional expression of mental imagery, such as visual, auditory, social, etc.artefactBritish standard spelling of artifact.artfestAn art festivalarthroplast(surgery) An artificial jointarthropodologistOne who studies arthropods.arthroscopist(medicine) One who carries out arthroscopy.artiestsuperlative form of arty: most artyartifactAn object made or shaped by human hand or labor.artificialistA proponent of artificialismartilectAn artificial intellect, a supposed artificial intelligence that may outstrip its human creators in mental capability.artillerist(military) A person who operates artillery.artistA person who creates art.artivistA person who engages in artivism.artsiestsuperlative form of artsy: most artsyasantaist(rare, humorous) A person who does not believe in Santa Claus.asbuiltDescribing or representing the actual appearance, condition, structure or function of a building project or design fabrication.ascauntObsolete form of askance.ascendantMoving upward; ascending, rising.ascendentArchaic spelling of ascendant.ascensionistOne who carries out ascents, such as a balloonist or mountaineer.ascentThe act of ascending; a motion upwards.ascertainmentThe act of ascertaining.asceticistA person of ascetic principles.ascientunseeing, not knowing, not sensingascotEllipsis of ascot tie.asdet(soccer) Acronym of after sudden death extra time.asexualistOne who is asexual on principle.asgmtAbbreviation of assignment.ashetA large, shallow, oval dish used for serving food.ashpitA pit for the disposal of ashes.ashplantAn ash sapling.ashthroat(obsolete) vervainasisstMisspelling of assist.askant(now rare) Aslant; to one side, askance.aslant(archaic, literary) At or on a slant; in a slanting or sloping direction.asonantNot sounding or sounded; silent.aspartEllipsis of insulin aspart.aspectAny specific feature, part, or element of something.aspectantFace to face (especially heraldry).aspetArmenian hereditary title borne by the members of the Bagratuni (Bagratid) family.asphaltEllipsis of asphalt concrete, a hard ground covering used for roads and walkways.aspheteristOf or pertaining to aspheterism.asphyxiantThat can cause asphyxiationaspirantSomeone who aspires (for high office, etc.)aspirement(obsolete) aspiration (desire)asport(parapsychology) An object that is spontaneously moved or "teleported" to another place.asquintLooking sideways, as though warily.assailantSomeone who attacks or assails another violently, or criminally.assailment(now rare) The act of assailing.assartForest land cleared for agriculture.assaultA violent onset or attack with physical means, for example blows, weapons, etc.assbucket(slang, vulgar, humorous) A worthless or objectionable person or thing.assbutt(humorous, slang, mildly vulgar) A term of abuse.asscunt(Canada, US, slang, vulgar) Anusassemblagist(art) One who constructs assemblages (a form of 3D collage).assent(intransitive) To agree to a proposal.assentient(archaic) Assenting; agreeing.assentment(obsolete) assent; agreementassertTo declare with assurance or plainly and strongly; to state positively.assesmentMisspelling of assessment.assessmentThe act of assessing or an amount (of tax, levy or duty etc) assessed.assetA thing or quality that has value, especially one that generates cash flows.assfaggot(slang, derogatory, vulgar, rare) A term of abuse; one who has anal sex.asshat(Canada, US, derogatory, slang, sometimes vulgar, often humorous) An obnoxiously ignorant person; a fool.assident(medicine) Of a symptom, generally, but not always, accompanying a disease; indicative of the presence of a disease but not a necessary occurrence in conjunction with that disease.assientist(historical) A shareholder of the Assiento company involved in the slave trade.assignat(now historical) A banknote used during the French Revolution, on the security of state land.assignmentThe act of assigning; the allocation of a job or a set of tasks.assimilationist(sociology) An advocate of the policy or practice of the assimilation of immigrant or other minority cultures into a mainstream culture.assistantHaving a subordinate or auxiliary position.assistauntObsolete form of assistant.assithmentDated form of assythment.associationist(philosophy) One who explains the higher functions and relations of the soul by the association of ideas.assoilment(archaic) Act of soiling (defilement)assonant(prosody) Characterized by assonance; having successive similar vowel sounds.assort(transitive) To sort or arrange according to characteristic or class.assortiment(non-native speakers' English) Misconstruction of assortment.assortmentA collection of varying but related items.asspat(Canada, US, slang, derogatory, mostly in plural) Undeserved sympathy or approval.assplant(Canada, US, slang) An unintentional landing on one's buttocks.assprint(slang, Canada, US) The mark or impression left by buttocks having been pressed against a surface.asstAbbreviation of assistant.assuagementThe action of assuaging; appeasement.assument(obsolete) A patch; an addition; a piece put on.assumpsit(law) A promise or undertaking, either express or implied, founded on a consideration.assumpt(obsolete) That which is assumed; an assumption.assurgentRising or tending to rise.assythment(Scots law, historical) Compensation or reparation for a criminal offence.astPronunciation spelling of asked, simple past and past participle of ask.astacologistOne who practices astacology.astart(transitive, obsolete) To cause to start; startle; start up; jump.asteroseismologistOne who studies asteroseismology.asterwortaster (any of several plants of the genus Aster)asthenodont(zoology) Synonym of desmodont.astigmatA person who has astigmatism.astonishmentThe feeling or experience of being astonished; great surprise.astonishtObsolete form of astonished.astrict(transitive) To bind, constrain, or restrict.astringentA substance which draws tissue together, thus restricting the flow of blood.astripotent(obsolete) That rules the stars.astrobiologistA biologist whose speciality is astrobiology.astroblastA differentiated neural stem cell that becomes an astrocyte.astrobot(robotics, rare) Robot designed to work in space.astrochemistA chemist or astronomer whose speciality is astrochemistry.astrodynamicistOne who studies astrodynamics.astroecologistOne who studies astroecology.astrofest(rare) An astronomy-themed festival or exhibition.astrogeologistOne who studies astrogeology.astrogeophysicistOne who studies astrogeophysics.astrologistOne who practices astrology; an astrologer.astrometeorologistA scientist working in the field of astrometeorology.astrometristOne who practices astrometry.astronautA member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.astronomistAstronomer; specialist in astronomy.astronot(humorous, derogatory) Synonym of actornaut.astronut(slang) A person with an obsessive interest in astronomy.astrophilatelist(philately) One who practices astrophilately.astrophysicistOne who studies astrophysics.astroproject(colloquial) to space out, to become unaware of one's immediate surroundingsastrotouristA space tourist.astrut(archaic) Sticking out, puffed out, or in a strutting manner.astutestsuperlative form of astute: most astuteasweat(dated) In a sweat; covered or soaked with sweat or some liquid resembling sweat; sweating.atIn, near, or in the general vicinity of (a particular place).ataciceptA recombinant fusion protein designed to inhibit B cells, thereby suppressing autoimmune disease.ataciguatA vasodilating compound.ataprost(pharmacology) A prostaglandin analogue.atauntAlternative form of a taunto.atavistA genetic characteristic emerging after an absence from several generations.atchievement(heraldry) Alternative spelling of achievement.atheist(religion) A person who does not believe in deities or gods.atheologist(philosophy, religion) A scholar and/or proponent of atheism.atheroresistantresistant to atherosclerosis or similar diseasesathiestMisspelling of atheist.athirst(figuratively) Eager or extremely desirous (for something).athwartFrom side to side, often in an oblique manner; across or over.atiltAt an angle from the vertical or horizontal.atlatlistOne who uses an atlatl for hunting or for sport.atleastMisspelling of at least.atmologistSomeone versed in atmology.atogepantA medication used to treat migraines.atomistAn adherent of atomism; one who believes matter is composed of elementary indivisible particles.atomweight(uncountable, martial arts, combat sports) The weight class below strawweight of less than 105 lbs.atonalistA composer of atonal music.atonementMaking amends to restore a damaged relationship; expiation.atoothfairyist(very rare, humorous) A person who does not believe in the tooth fairy.atrament(figurative, rare) Any particularly black liquid substance.atrichoblastA root epidermal cell that does not produce a root hairatrist(transitive, rare, obsolete) To trust.atshoot(ambitransitive, obsolete) To shoot away; shoot away from.atsit(intransitive, obsolete) To remain sitting; stay; abide.atstunt(transitive, obsolete) To bring to an end; put a stop to.atstut(intransitive, obsolete) To remain; to stay.attA subdivision of currency, equal to one hundredth of a Lao kip.attachmentThe act or process of (physically or figuratively) attaching.attainmentThe act of attaining; the act of arriving at or reaching; the act of obtaining by effort or exertion.attaint(now rare) To taint; to corrupt, sully.attaintmentMisspelling of attainment.atteintAlternative form of attaint.atteleta small decorative metal skewer used for serving foodattemperament(archaic) A tempering, or mixing in equal proportion.attempermentObsolete form of attemperament.attempt(criminal law) To make a substantial but unsuccessful effort (to commit a crime).attendantOne who attends; one who works with or watches over someone or something.attendauntObsolete form of attendant.attendment(obsolete) A concomitant circumstance.attent(archaic) Attentive, heedful; intent.attentat(law, obsolete) Anything whatsoever, as a ruling, by the judge of a lower court in a matter pending an appeal.attenuant(medicine, dated) Any medicine that thins or dilutes the fluids; a diluent.attest(transitive) To affirm to be correct, true, or genuine.attingent(formal or literary) touching; adjacentattirement(archaic) attire; adornmentattolentthat raises or lifts up (often of muscles)attollent(obsolete) Lifting up, raising (said of muscles, especially the levator palpebrae superioris ).attonementObsolete form of atonement.attornment(feudal law) The consent of a tenant to the transfer of his relationship to his landlord to another person.attowatt(metrology) An SI unit of power equal to 10⁻¹⁸ watts. Symbol: aWattract(transitive) To pull toward without touching.attractantAnything that attracts, but especially a substance (such as a pheromone) that attracts insects or other animalsattrahentThat attracts; drawing, attracting.attributionistA person who attributes actions to specific causesattrist(archaic, transitive) To sadden; to make sad.attritTo wear down through attrition, especially mechanical attrition.attunement(uncountable) The quality of being in tune with somethingatwistTwisted; distorted; awryatwixt(obsolete, dialectal) Between.audientListening, paying attention.audiocastAn audio recording or broadcast available on the Internet, especially a podcast.audiologistA healthcare professional who diagnoses, treats and/or manages hearing and balance disorders.audiometristA technician who carries out audiometry.audiotexttext converted into a spoken or audible formaudiotypistAlternative form of audio typist.audiovisualistA specialist in audiovisual materials.audistA person who thinks themselves superior to deaf people because they can hear.auditA judicial examination.auditionistOne who undergoes an audition; an auditionee.auget(mining) A priming tube connecting the charge chamber with the gallery, or place where the slow match is applied.aught(sometimes proscribed) Zero.augment(transitive) To increase; to make larger or supplement.augurist(obsolete) An augur; a foreteller.augustAwe-inspiring, majestic, noble, venerable.aukletAny of several small seabirds in the genera Aethia, Cerorhinca and Ptychoramphus of the auk family Alcidae.aulodont(zoology) Of or pertaining to the shape of the teeth in the Aristotle's lantern of certain sea urchinsaunchientObsolete form of ancient.auncientObsolete form of ancient.aunicornist(humorous) A person who does not believe in unicorns.auntThe sister or sister-in-law of one’s parent.auntcest(slang, rare, vulgar) Sexual relations with one's aunt.auntientObsolete form of ancient.auriculotherapistOne who practises auriculotherapy.auripigment(archaic) Variant of orpimentaurist(medicine, dated) One skilled in treating and curing disorders of the ear.auscultSynonym of auscultate.auslaut(phonology) Synonym of coda (“the optional final sound of a syllable or word, occurring after its nucleus and usually composed of one or more consonants”).austerestsuperlative form of austere: most austereautarchistA proponent of autarchism.autarkistA proponent of autarky.autecologistOne who studies autecology.auteurist(film) Of, pertaining to, or characteristic of auteurism.authenticistOf, pertaining to, or espousing authenticism, a belief in the superiority of the authentic over the inauthentic.authorcraftThe craft of an author; the writing of books.authoritarianistA proponent of authoritarianismautistAn autistic person, a person with autism.autoabstract(computing) An abstract (abridgement or summary of a publication) generated automatically by a computer.autoadjust(transitive) To adjust automatically.autoadjustmentautomatic adjustmentautoadjuvant(immunology) A substance that enhances the immune response to an antigen produced by the same organismautoalignmentautomatic alignmentautoanalyst(psychology) A practitioner of autoanalysisautobiographistAn autobiographer.autobioluminescentRelating to autobioluminescenceautoboat(dated) A motorboat.autoboot(computing) To boot automatically.autobuffet(dated, UK, rare) A railway vending machine selling food items.autocarist(archaic) An autocar driver.autocatalystAny catalyst that participates in autocatalysis.autochthonistAn advocate of autochthonyautocoherent(physiology, of neurons) self-coherentautocommit(databases) To commit (“to make a set of changes permanent”) automatically.autoconcurrent(computing theory) Exhibiting or relating to autoconcurrency; occurring simultaneously and in parallel.autocopistAlternative form of autocopyist.autocopyist(historical) A kind of collotype-based document-copying machine.autocorrect(transitive) To make an autocorrection; to correct something automatically.autocratAn absolute ruler with infinite power.autocyclistThe rider of an autocycleautocystA single-layered cyst.autodecrement(computing, transitive) To decrement automatically.autodefrostA feature in a refrigerator or freezer that regularly defrosts the evaporator automatically.autodestruct(intransitive, chiefly science fiction) To destroy itself by design (as of a mechanical system).autodetachment(physics) Synonym of autoionization.autodetect(transitive) To detect automatically.autodidactA self-taught person.autodigestTo carry out autodigestion.autoenrollmentAutomatic enrollment (especially of security certificates in a computer system).autofit(transitive, computing) To fit automatically by resizing.autoflightUse of autopilot.autofluorescentOf, pertaining to, or exhibiting autofluorescence.autoformat(computing, transitive) To format (a document, etc.) automatically.autograft(surgery) A tissue graft taken from one part to another of the same individual's body.autographistOne who collects or authenticates autographs.autograt(informal, rare) A gratuity automatically added to a bill.autogreet(Internet) A greeting issued automatically in a chat room, etc. when a user joins.autoharpistSomeone who plays the autoharp.autoincrement(computing) To increment automatically.autoinfect(transitive) To infect via autoinfection.autoinhibit(biochemistry) To regulate a protein function through autoinhibition.autointoxicantAny substance causing autointoxication.autoist(dated) One who drives an automobile.autoluminescentRelating to autoluminescence.automatA vending machine for food.automatistOf or characterized by automatismautomobilist(archaic) The driver of an automobile.automount(transitive, computing) To mount (a file system) automatically.autonomistAn advocate of autonomy or autonomism.autopaymentautomatic paymentautopilot(aviation, nautical) A mechanical, electrical, or hydraulic system used to guide a vehicle without assistance from a human being.autoplastSynonym of autograft.autoportraitA self-portrait.autopost(transitive, Internet) To post automatically.autoprompt(programming) A prompt generated by a program itself via a previous command.autopsistOne who performs an autopsy.autoreact(immunology) To react against the organism that produced it.autorefinementautomatic refinementautorepeatAny feature that repeats an action automatically. (often preceded with 'on')autosegment(linguistics) A segment on an autosegmental tier.autoselectTo select automaticallyautostart(transitive, intransitive, computing) To start automatically.autosuggest(computing) Any feature that makes automatic suggestions to the user.autosuggestionistA practitioner of autosuggestion.autotargetTo target (a weapon) automatically.autotest(British) A motorsport challenge involving a series of tests, generally around traffic cones, to measure precision driving skill.autothaumaturgistOne who pretends to be notable or mysterious.autotheistOne who subscribes to autotheism; a self-worshipper.autotolerant(immunology) That exhibits autotoleranceautotransfusionistAn autotransfusion technician.autotransplantautotransplantationauxiliaristA volunteer for the United States Coast Guard Auxiliary.auxologistA student or practitioner of auxologyauxostatA continuous-culture device using feedback from a measurement taken on the growth chamber to control the media flow rate, maintaining the measurement at a constant.avadavatAny of various estrildid finches of the genus Amandava, especially the red avadavat, Amandava amandava, of India and Southeast Asia, commonly kept and bred as a cagebird; also known as Java sparrow.availment(obsolete) Profit; advantage.avalement(skiing) A technique of flexing the knees while skiing.avalent(grammar, rare, of a verb or predicate) Non-valent, having valency zero: taking no arguments.avant(obsolete) The front of an army; the vanguard.avantgardistAlternative form of avant-gardist.avastHold fast!; cease!; stop!avaunt(archaic) Begone; depart; used in contempt or abhorrence.avcat(US, military, aviation, nautical) Synonym of JP-5, a type of jet fuel.avengement(rare) The inflicting of retributive punishment; satisfaction taken.aventurescentExhibiting aventurescence.avermentThe act of averring, or that which is averred; positive assertion.aversant(heraldry) Turned to show the back: said of a hand (or gauntlet).avert(transitive) To turn aside or away.avertiment(obsolete) advertisement (public notice).avertissement(fencing) A warning; used to indicate a minor rule infraction by one of the fencersaviaristA person who keeps an aviary.aviculturistA person who keeps and rears (breeds) birds.avisementAlternative form of advisement.avisodomistA person who has sex with birds.avitouristA tourist on an avitouravocatAn advocate; a lawyer.avocetAny of four species of wading birds in the genus Recurvirostra, with long, slender recurved bills, long legs, and webbed feet.avoidantExhibiting avoidance; avoiding something.avosetAlternative form of avocet.avouchmentThe act of avouching.avowant(law) The defendant in replevin, who avows the distress of the goods, and justifies the taking.await(transitive, formal) To wait for.awaitment(rare) The process of waiting for something.awardmentThe giving of an award; something awarded.awentsimple past of agoawesomest(informal or nonstandard) superlative form of awesome: most awesomeawletAny of various hesperiid butterflies of the genera Bibasis and Burara.awlwortAn aquatic plant, Subularia aquatica, with awl-shaped leaves.awncientObsolete form of ancient.awntientObsolete form of ancient.awreetPronunciation spelling of all right, representing Scottish and Northern England English.awrightPronunciation spelling of alright.awsomestMisspelling of awesomest.axiologistA person, especially a philosopher, who studies theory of value.axiomatistOne who formulates a system of axioms.axleweightAlternative form of axle weight.axoplast(biology) A dense structure, with no microtubules, located in the center or close to the nucleus of a cell, and from which radiate axopodia.ayacut(India) The area served by an irrigation project such as a canal, dam or a tank.ayatplural of ayah (“verse of the Quran”)ayguletObsolete form of aiglet.aylet(heraldry) A black bird with red feet and beak.ayont(Scotland, Northern England) Beyond.ayrant(heraldry, rare, of a bird) Nesting.azalanstat(pharmacology) An antiobesity drug.azeusist(very rare, humorous) A person who does not believe in Zeus.azintOne form of harmonic malfunctionazovioletAlternative form of azo violet.