Browse Other I Word Lengths
8-Letter I Words by Ending Letter
All 1,293 8-Letter Words Starting With I
iambicalObsolete form of iambic.ianthinaAny of the family Epitoniidae (syn. Janthinidae) of violet snails.ianthineviolet-colourediarovizeAlternative form of jarovize.iatricalAlternative form of iatric.iatropic(medicine) Causing a patient to need medical attention, especially when caused by a medical treatment.ibisbillIbidorhyncha struthersii, a species of wading bird inhabiting the shingle riverbanks of the high plateau of Central Asia and the Himalayas.ibogaine(biochemistry) A naturally-occurring psychoactive compound found in a number of plants, principally iboga (Tabernanthe iboga), and used for medicinal and ritual purposes in African spiritual traditions of the Bwiti. Its use in opioid addiction treatment seems promising but has safety issues.ibotenic(biochemistry) Relating to ibotenic acid and its derivatives.ibufenac(pharmacology) The carboxylic acid 4-isobutylphenylacetic acid once used in the treatment of rheumatoid arthritisibuterol(pharmacology) A beta-adrenergic agonist.icaridin(chemistry) An almost colourless and odourless insect repellent.icaritin(organic chemistry) A flavonoid 3,5,7-trihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-4H-1-benzopyran-4-one that enhances osteoblastic differentiation of mesenchymal stem cellsiccosome(immunology) An immunocomplex bodyicebergsplural of icebergicebergyResembling or characteristic of an iceberg.iceblinkA glare in the sky caused by reflection of light from an ice field.iceboard(intransitive) To use an iceboard in the sport of iceboarding.iceboundCompletely surrounded by ice and therefore unable to move.iceboxesplural of iceboxicecraftThe art or skill of climbing on icy terrain.icecreamAlternative spelling of ice cream.icecreteA concretion of water ice as the cementing substance, and an aggregate.icecross(skating) An ice skating sport, involving racing over an obstacle course similar to that found in snowboardcross, skiercross, or BMX.icecubesplural of icecube (alternative spelling of ice cubes).icedrake(fantasy) A dragon which breathes ice or has a freezing body temperature.icefallsplural of icefallicefieldAlternative spelling of ice field.icefloesplural of icefloeicegrassPhippsia, a circumpolar grass genus.icehouseA deep cellar or outdoor building used for the storage of ice or snow; sometimes also used to store food at low temperature.icekhana(rare) A motorkhana that takes place on a frozen lake.icelight(poetic, rare) The light reflected off a surface of ice.icemakerA device found in a freezer that is used to make ice.icepacksplural of icepackicepicksplural of icepickiceplantAlternative spelling of ice plant.iceproofResistant to ice.icequakeThe concussion that occurs when large masses of ice break up due to contraction.icerinksplural of icerinkicescapeAn ice-covered landscape.icesheetAlternative form of ice sheet.iceshelfAlternative form of ice shelf.iceskateAlternative form of ice skate.icestormAlternative form of ice storm.icewardsTowards the ice.icewaterAlternative form of ice water.icewinesplural of icewineicewomanA woman who trades in ice or is employed to deliver block ice.ichnitesplural of ichniteichoglanA boy servant recruited according to the devshirme system in the Ottoman Empire.ichomage(sumo) Alternative spelling of oichomage.ichoroidDenoting a thin discharge of pus.ichorousResembling or relating to ichor.ichthineAn albuminous substance found in fish eggs.ichthyicOf, pertaining to, or like fish; piscine.ichthyol(medicine) The ammonium salt of sulfonated bitumen; used to treat some forms of skin diseasesicicular(rare) Of, pertaining to, bearing, or resembling icicles.ickiness(uncountable) The state or condition of being icky.iclaprim(pharmacology) A diaminopyrimidine dihydrofolate reductase inhibitor being developed for the treatment of skin and tissue infections caused by antibiotic-resistant bacteria.icogeninA particular steroid glycoside.iconicalPertaining to or consisting of images or icons.iconlessWithout icons (religious articles).iconlikeResembling an icon (religious emblem).icosagen(chemistry) A member of the boron group (group 13) of elements in the periodic table.icosagon(geometry) A polygon with twenty sides and twenty angles.icosteid(zoology) Any in the family Icosteidae of ragfishes.icotinib(organic chemistry) The epidermal growth factor receptor tyrosine kinase inhibitor N-(3-ethynylphenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amineicterodeDated form of icteroid.icteroidMarked by jaundice, or having the appearance of that diseaseicthyoidMisspelling of ichthyoid.idazoxanA drug used in scientific research, acting as a selective α₂ adrenergic receptor antagonist and as an antagonist for the imidazoline receptor.ideahoodThe property or state of being an idea.idealessDevoid of ideas.idealiseNon-Oxford British English standard spelling of idealize.idealismThe property of a person of having high ideals that are usually unrealizable or at odds with practical life.idealist(philosophy) One who adheres to idealism.ideality(uncountable) The quality or state of being ideal.idealize(transitive) To regard something as ideal.idealogyAlternative spelling of ideology.ideathonA collaborative event where people meet to discuss and evaluate ideas.ideatingpresent participle and gerund of ideateideationThe conceptualization of a mental image.ideativeRelating to ideation.idebenolA quinolic form of idebenoneidentickObsolete form of identic.identify(transitive) To establish the identity of someone or something.identism(philosophy) The doctrine that states of the mind and states of the brain are identical.identitySameness, identicalness; the quality or fact of (several specified things) being the same.ideocratA proponent of ideocracy.ideogeny(philosophy) The science or study of the origin of ideas.ideogramA picture or symbol which represents the idea of something without indicating the sequence of sounds used to pronounce it. Examples include digits, traffic signs, and graphic symbols such as @.ideologyDoctrine, philosophy, body of beliefs or principles belonging to an individual or group.ideotypeA specimen identified as belonging to a specific taxon by the author of that taxon, but collected from somewhere other than the type localityidiociesplural of idiocyidiocity(nonstandard, derogatory, uncountable) Idiocy.idioglot(music) Having a vibrating reed that is an integral part of the instrument.idiolect(linguistics) The language variant used by a specific individual.idiomacy(rare) The quality of being idiomatic, or an idiom.idiopath(pathology) A person who suffers from an idiopathic disease.idiosomaThe posterior portion of the body of a mite.idiosome(biology, dated) The attraction-sphere of a spermatid or of an oocyte.idiotacy(uncountable, obsolete, now nonstandard, derogatory) Idiocy.idiotery(nonstandard, rare) Synonym of idiocy.idiotese(slang, rare) A form of language simplified to the point where even an idiot can understand it.idiotickObsolete form of idiotic.idioticy(uncountable, nonstandard, derogatory) Idiocy.idiotishLike an idiot; idiotic; foolish.idiotism(now chiefly historical) Very severe mental retardation.idiotistIntolerant of stupidity.idiotizeTo make, become, or deem idiotic or stupid.idiotopeThe unique set of antigenic determinants (epitopes) of the variable portion of an antibody.idiotype(immunology) A characteristic shared by a group of immunoglobulin or T-cell receptor molecules, based on the antigen-binding specificity of their variable region; and thus, the resultant immunologic phenotype, which can often be specific to a person or to only a small percentage of people.idiotypy(immunology) The immune recognition of one ideotype by a system sensitized to other ideotypes in the same group.idleheadOne who is vain and foolish.idlehood(rare) The state or condition of being idle; a habit of idling; idleness.idlenessThe state of being idle; inactivity.idleship(archaic) The property or characteristic of being idle; idleness, worthlessness, vanity.idlesomeCharacterised or marked by idlenessidlinglyWhile idling; in an idle manner.idocaineMisspelling of lidocaine.idocrase(geology) vesuvianiteidolaterOne who worships idols; (historical) a pagan.idolatorAlternative spelling of idolater.idolatry(religion) The worship of idols.idolisedsimple past and past participle of idoliseidoliser(UK) Alternative spelling of idolizer.idolisesthird-person singular simple present indicative of idoliseidolizedsimple past and past participle of idolizeidolizerOne who idolizes.idolizesthird-person singular simple present indicative of idolizeidoneityThe state or quality of being idoneous.idoneousappropriate; suitableidrapril(pharmacology) An ACE inhibitor.idrialinA mineral wax obtained by distillation of idrialite.iduronic(organic chemistry) Relating to iduronic acid or its derivatives.idyllistA writer of idylls; an idyllic poet or writer; one who depicts idyllic or pastoral subjects.iffinessThe state or quality of being iffy.ifisashiA Zambian stew made from vegetables and ground peanuts.igasuric(obsolete, chemistry) Pertaining to, or obtained from, nux vomica or Saint Ignatius's bean; as, igasuric acidigdloite(mineralogy) Synonym of lueshite.igmesineA sigma receptor agonist with neuroprotective, antidepressant, and nootropic effects.igneduct(rare) A structure carrying fire or a molten or fiery substance.ignifugefire retardantignitersplural of igniterignitingpresent participle and gerund of igniteignitionThe act of igniting.ignitiveThat ignites or relates to ignition.ignitronA form of rectifier having a pool of mercury as cathode.ignoblercomparative form of ignoble: more ignobleignominyGreat dishonor, shame, or humiliation.ignomous(rare) Ignominious; marked by shameignorantUnknowledgeable or uneducated; characterized by ignorance.ignorati(slang, derogatory) The wilfully ignorant; those who choose to ignore inconvenient facts or make public claims based on falsehoods.ignoringpresent participle and gerund of ignoreignorize(nonce word) To promote ignorance; to withhold from education.ignorome(genetics) Sets of genes and corresponding RNAs or proteins whose functions are, as yet, unknown.ignosticOne who holds to ignosticism.igorinidAny foraminifer of the extinct genus †IgorinaigovomabA mouse monoclonal antibody for the diagnosis of ovarian cancer that is no longer available.igtheismSynonym of ignosticism.iguanianAny of the suborder Iguania of iguanas, chameleons, agamids, and "New World lizards".iguanidsplural of iguanidiguanineAny lizard of the genus Iguana.iguanoid(zoology) Relating to the Iguanidae.ijtihaadAlternative form of ijtihad.ijussite(mineralogy) A kind of mafic teschenite mineral.ikranite(mineralogy) A trigonal-ditrigonal pyramidal brownish yellow mineral containing calcium, cerium, chlorine, fluorine, hafnium, hydrogen, iron, lanthanum, manganese, neodymium, niobium, oxygen, potassium, silicon, sodium, strontium, titanium, and zirconium.ikupasuyA ceremonial carved wooden stick used by Ainu men when making offerings to spirits.ileoanal(anatomy) Relating to the ileum and anusileotomy(surgery) cutting into the ileum; ileostomyillabial(linguistics, uncommon) Not labial; unrounded or unlabialized.illapsedsimple past and past participle of illapseillationThe act of inferring or concluding, especially from a set of premises; a conclusion, a deduction.illativeOf, or relating to an illation.illbeingA state of unhappiness or poor health.illbient(music) A music genre with layered soundscapes, dub and hip-hop influences (including the use of samples), and a progressive approach to beat programming.illderly(with definite article, collective) Old people who are in poor health: unhealthy senior citizens.illeagleMisspelling of illegal.illegallArchaic spelling of illegal.illegalsplural of illegalillicium(ichthyology) The modified dorsal fin on the head of anglerfish, acting as a lure.illinium(obsolete) A rejected name for promethium.illipene(organic chemistry) A substance found in illipe butter.illiquid(finance) Lacking liquidity.illision(obsolete) The act of dashing or striking against.illocute(philosophy, pragmatics, intransitive or transitive with the speech act as object) To perform an illocutionary act.illtreatAlternative form of ill-treat.illudaneA toxic spirocyclic sesquiterpenoids produced by various bracken ferns and by fungi of the phylum Basidiomycota.illudingpresent participle and gerund of illudeillumineSynonym of illuminate.illumingpresent participle and gerund of illumeillusion(countable) Anything that seems to be something that it is not.illusiveSubject to or pertaining to an illusion, often used in the sense of an unrealistic expectation or an unreachable goal or outcome.illusoryResulting from an illusion; deceptive, imaginary, unreal.illusterAlternative spelling of illustre.illustreTo illuminate (something).illuvialOf, pertaining to, or formed by illuviationilluvium(geology) material displaced across a soil profile, from one layer to another, by the action of rainwaterilmenite(mineralogy) A weakly magnetic dark gray mineral found in metamorphic and igneous rocks; it is a mixed oxide of iron and titanium, FeTiO₃ilmenium(obsolete) A supposed chemical element, later found to be a mixture of niobium and tantalum.iloprost(pharmacology) A drug used to treat pulmonary arterial hypertension, scleroderma, Raynaud phenomenon and ischemia.iltisite(mineralogy) A hexagonal-trapezohedral mineral containing bromine, chlorine, mercury, silver, and sulfur.imaamateAlternative form of imamate.imagableAlternative form of imageable.imagemapAlternative spelling of image map.imaginalOf or relating to the imagination, or to a mental image.imaginedConceived or envisioned in the mind.imaginerOne who imagines (something).imaginesplural of imagoimagingsplural of imagingimambaraIn South Asia, a congregation hall for Shiites to mourn the death of Husayn ibn Ali in the month of Muharram; a husayniyya.imamshipThe role or status of imam.imanixilAn antilipidemic drug.imatanibMisspelling of imatinib.imatinib(pharmacology) A drug used to treat certain types of cancer.imazalilThe fungicide enilconazole.imazamoxA herbicide 5-(methoxymethyl)-2-(4-methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acidimazapyrA nonselective herbicide used for the control of a broad range of weeds.imazodan(pharmacology) A cardiotonic drug.imbabalaA bushbuck (Tragelaphus sylvaticus), one of two species, ranging more into southern and eastern Africa than the other species, the harnessed bushbuckimbalmerArchaic form of embalmer.imbecile(derogatory) A fool, an idiot.imbeddedsimple past and past participle of imbedimbedderAlternative form of embedder.imbellic(obsolete) Not warlike or martial.imbezzleObsolete form of embezzle.imbibersplural of imbiberimbibingpresent participle and gerund of imbibeimbitionThe act of imbibing or drinking.imbitterObsolete spelling of embitter.imblazonObsolete form of emblazon.imboldenObsolete spelling of embolden.imbonity(obsolete, rare) Lack of goodness.imborderObsolete form of emborder.imbosserArchaic form of embosser.imbruingpresent participle and gerund of imbrueimbution(obsolete) The act or process of imbuing; imbuement.imelysin(biochemistry) Any of a family of peptides first discovered in a Pseudomonasimesatin(organic chemistry) A dark yellow crystalline substance obtained by the action of ammonia on isatin.imgreite(mineralogy) A hexagonal-dihexagonal dipyramidal pale rose red mineral containing nickel and tellurium.imhofite(mineralogy) A monoclinic-prismatic copper red mineral containing arsenic, copper, sulfur, and thallium.imidazolAlternative form of imidazole.imidogen(organic chemistry) A nitrene.imiloxanA selective antagonist for the α2B adrenergic receptor, used in scientific research.iminooxySynonym of alkylideneaminoxyl.iminoxylSynonym of alkylideneaminoxyl.imipenem(medicine) A broad-spectrum beta-lactam antibiotic.imitableCapable of being imitated or copied.imitancyTendency to imitation.imitatedsimple past and past participle of imitateimitateeOne that is imitatedimitater(rare) Nonstandard spelling of imitator.imitatesthird-person singular simple present indicative of imitateimitatorA person who imitates or apes another.immanant(linear algebra) A function or property of a matrix, defined as a generalization of the concepts of determinant and permanent.immanateTo flow inward.immanely(obsolete) vastly; prodigiouslyimmanentNaturally part of something; existing throughout and within something; intrinsic.immanity(obsolete) Great size; enormousness, hugeness.immantle(poetic or archaic) To cover; to mantle.immature(now rare) Occurring before the proper time; untimely, premature (especially of death).immergedsimple past and past participle of immergeimmersalThe act of immersing; immersion.immersedUnder the surface of a liquid; sunk.immerserOne who immerses, as for example one who carries out baptism by immersion.immersesthird-person singular simple present indicative of immerseimmeshedsimple past and past participle of immeshimminentAbout to happen, occur, or take place very soon, especially of something which won't last long.immingle(archaic, poetic) To mingle; to mix; to unite; to blend.imminiumMisspelling of iminium.immobileFixed, not movable.immodestWithout customary restraint or modesty of expression; shameless.immolateTo kill as a sacrifice by burning.immoment(archaic) trifling; unimportantimmonium(organic chemistry) Any of a class of cations, of the general formula R-CH=NH₂⁺, typically derived from amino acidsimmortalNot susceptible to death; living forever; never dying.immotileNot motile (lacking the ability to move)immunify(transitive, archaic) To immunize.immunise(British spelling) Alternative spelling of immunize.immunity(uncountable) The state of being insusceptible to something; notably:immunize(transitive) To make someone or something immune to something.immunome(immunology) All the genes and proteins associated with an immune systemimmuringpresent participle and gerund of immureimmutate(obsolete, rare) unchangedimpactedsimple past and past participle of impactimpacterOne who or that which makes an impact.impactorAny of several machines or devices in which a part impacts on another, or on a material.impairedRendered less effective.impairerSomeone that impairs.impalersplural of impalerimpalingpresent participle and gerund of impaleimpallid(obsolete, transitive) To make pallid; to blanch.impanateEmbodied in bread, especially in the bread of the Eucharist.impannelAlternative form of impanel.imparousHaving never given birth.impartedsimple past and past participle of impartimparterOne who imparts.impassesplural of impasseimpastedsimple past and past participle of impasteimpatent(medicine) Not patent: not open; as:impawnedsimple past and past participle of impawnimpeachy(politics, humorous) Relating to impeachment.impearceObsolete spelling of impierce.impedingpresent participle and gerund of impedeimpedite(obsolete) Hindered; obstructed.impelledsimple past and past participle of impelimpellerSomething which or someone who impels.impellorAlternative form of impeller.impendedsimple past and past participle of impendimpeopleObsolete form of empeople.imperialRelated to an empire, emperor, or empress.imperilsthird-person singular simple present indicative of imperilimperiumSupreme power; dominion.impester(obsolete) To pester; to annoyimpetigo(pathology) A contagious bacterial skin disease forming pustules and yellow crusty sores, chiefly on the face and hands. It is common in children and infection is often through cuts or insect bites.impierce(obsolete) To pierce; to penetrate.impingedsimple past and past participle of impingeimpingerAny of several instruments in which fine particles (dust) in a gas are analysed by blowing them through a jet onto a wetted plate, prior to being counted. Typically used for particle analysisimpingesthird-person singular simple present indicative of impingeimpishlyIn an impish manner; mischievously.implantsplural of implantimpleachto entwine, entangleimpledge(archaic) To pledge.implicitSuggested indirectly, without being directly expressed.implodedsimple past and past participle of implodeimploder(psychology) A person who directs their anger inward.implodesthird-person singular simple present indicative of implodeimploredsimple past and past participle of imploreimplorerOne who implores.imploresthird-person singular simple present indicative of imploreimplumed(archaic) not plumed; without plumes or feathersimplunge(transitive, obsolete) To plunge (something into something else).implyingpresent participle and gerund of implyimpocket(transitive, rare) To place into a pocket.impoisonObsolete form of empoison.impolderAlternative form of empolder.impolicyThe state or act of being impolitic.impoliteNot polite; discourteous; not of polished manners; wanting in good manners.imponentThat imposes a rule.impoofooAlternative form of impoofo.imporousnot porous; not having poresimportedsimple past and past participle of importimporteeSomeone or something that is imported, or brought in from outside.importerOne who, or that which, imports: especially a person or company importing goods into a country.importin(biology) Any of various karyopherins that move other protein molecules into the cell nucleus by binding to a specific recognition sequence.imposingpresent participle and gerund of imposeimposterAlternative spelling of impostor.impostorSomeone who attempts to deceive by using an assumed name or identity.imposure(rare) The act of imposing.impotentLacking physical strength or vigor; weakimpresseObsolete form of impress (“a heraldic device; an impresa”).imprimisIn the first place (used to introduce a list of items or considerations).imprintsplural of imprintimprison(transitive) To put in or as if in prison; confine somebody against their will.impromptNot prompt; delayed.improperUnsuitable to needs or circumstances; inappropriate; inapt.impropreObsolete form of improper.improval(nonstandard) improvementimprovedThat has been made better; enhanced.improverSomething that, or someone who, improves something.improvesthird-person singular simple present indicative of improveimpudentNot showing due respect; bold-faced, impertinent.impugnedsimple past and past participle of impugnimpugnerOne who impugns; one who opposes or contradicts.impulsesplural of impulseimpulsorOne who or that which impels; an inciter, an instigator.impunely(obsolete) Without being punished.impunity(countable, law) Exemption from punishment.impurelyIn an impure manner.impurify(transitive) To make impure.impurityThe condition of being impure; because of contamination, pollution, adulteration or insufficient purification.impurpleAlternative form of empurple.imputingpresent participle and gerund of imputeinaccess(uncommon) Lack of access.inactionLack of action or activity or laborinactiveNot active, temporarily or permanently.inactose(archaic, organic chemistry) An optically inactive variety of sugar, found in certain plants.inamoredsimple past and past participle of inamorinapropoAlternative form of inappropo.inaquate(obsolete) Embodied in, or changed into, water.inarchesthird-person singular simple present indicative of inarchinartfulAwkwardly expressed but not necessarily untrue; ill-phrased; inexpedientinasmuch(dated) In like degree; in like manner; to the same or similar degree; likewise.inattend(transitive) to fail to pay attention toinaurate(obsolete) To cover with gold; to gild.inborrow(transitive, UK dialectal, Scotland, obsolete) To redeem or buy back from pawn; resume a pledge by restoring the money that has been lent on it.inbounds(sports) Within boundsinbreathA breath taken in; an inhalation.inbreedsthird-person singular simple present indicative of inbreedinburstsplural of inburstincagingpresent participle and gerund of incageincanous(botany, dated) Hoary with a white pubescence.incanterAlternative form of incantor.incantorOne who performs incantations; one who incants.incasingpresent participle and gerund of incaseincastle(obsolete) To add castles to a place.incavity(rare) The state of being bent inwards; concavity.inceldomThe state of being an incel.incelismThe state of being an incel.incensedEnraged; infuriated; spitefully or furiously angry.incenserSomeone who burns incenseincensesthird-person singular simple present indicative of incenseincenseyAlternative form of incensy.incensorA censer (container for burning incense).incentedsimple past and past participle of incentincenter(US, geometry) The point formed at the intersection of the three angle bisectors of a triangle; also the centre of the incircle.incentre(UK) Alternative spelling of incenter.inceptedsimple past and past participle of inceptinceptorA beginner; one in the rudiments.incesterOne who engages in incest.incestic(rare, nonstandard, proscribed) Of, or relating to incestincharge(India) The person who is in charge of something; an employee with responsibility for a department of a company; a manager, supervisor.inchaste(rare) Unchaste.inchauntObsolete form of enchant.inchlongan inch, or roughly an inch, in lengthinchmeal(idiomatic) Gradually, little by little (an inch at a time).inchoateRecently started but not fully formed yet; just begun; only elementary or immature.inchwormThe larva of a moth of the family Geometridae.incident(countable, uncountable) An event or occurrence.inciensoA desert shrub (Encelia farinosa) producing a resin that emits a fragrant odor when burned.incircle(geometry) A circle within a polygon, especially a triangle, that is tangent to each side.incisely(botany) In an incised manner, in a V-shapeincisingpresent participle and gerund of inciseincisionA cut, especially one made by a scalpel or similar medical tool in the context of surgical operation; the scar resulting from such a cut.incisiorAlternative form of incisor, especially that of an animalincisiveIntelligently analytical and concise. (of a person or mental process)incisorsplural of incisorincisory(archaic, dentistry) Having the quality of, or adapt t, cutting; incisive.incisura(anatomy) a notch or indentincisure(anatomy) A notch or indent.incitantInciting; stimulating.incitersplural of inciterincitingpresent participle and gerund of inciteincitivetending to inciteincivismLack of civism or patriotism; unfriendliness to one's state or government.inclinedAt an angle to the horizontal; slanted or sloped.inclinerSomeone or something that inclines, especially an inclined dial.inclinesplural of inclineincloserArchaic form of encloser.inclosesthird-person singular simple present indicative of incloseincludedsimple past and past participle of includeincluderOne who or that which includes.includesthird-person singular simple present indicative of includeincocted(obsolete) Indigestible; also, raw.incomberObsolete form of encumber.incomersplural of incomerincomingComing (or about to come) in; arriving.incomity(archaic) Lack of comity; incivility; rudeness.inconnueAlternative form of inconnu (fish)inconnusplural of inconnuincorpse(obsolete) To incorporate.incotermAlternative letter-case form of Incoterm.increaseto become or make something greater in amount, size, or degreeincreateThat exists without having been created.incretin(biochemistry) A gastrointestinal hormone causing an increase in the amount of insulin released from the beta cells of the islets of Langerhans after eating, even before blood glucose levels become elevated.incroachObsolete spelling of encroach.incubate(transitive) To brood, raise, or maintain eggs, organisms, or living tissue through the provision of ideal environmental conditions.incubous(botany) Describing an arrangement of leaves such that distal (anterior) parts of older leaves overlap the proximal (posterior) parts of younger ones.incudate(zoology, anatomy) Of, pertaining to or having an incus (bone of the middle ear).incumberArchaic form of encumber.incurredsimple past and past participle of incurincurvedTurned or curving inward, towards the center.incuselyIn an incuse manner.incystedsimple past and past participle of incystindacene(organic chemistry) Either of two isomeric aromatic hydrocarbons consisting of two cyclopentadiene rings fused to one of benzene - as-indacene and s-indaceneindagate(obsolete, transitive) to search into, investigateindamageAlternative form of endamage.indamine(chemistry) any of a range of organic bases related to phenazine; they form indigo-coloured salts used in making dyesindanger(archaic) Alternative form of endanger.indanone(organic chemistry) Either of two isomeric ketones derived from indane.indazole(organic chemistry) Benzopyrazole.indazolo(organic chemistry, especially in combination) Any univalent radical derived from indazoleindeavorObsolete form of endeavor.indebtedsimple past and past participle of indebtindecentOffensive to good taste.indeedieAlternative spelling of indeedy.indeffed(Wikimedia jargon) Used to describe a user, account, or IP address that is indefinitely blocked or banned from editing or other actions.indegree(graph theory) The number of edges directed into a vertex in a directed graphindenize(archaic, transitive) To naturalize.indenone(organic chemistry) The bicyclic aromatic ketone formally derived from indene, or by fusion of a benzene ring with cyclopentadienoneindentedCut in the edge into points or inequalities, like teeth; dented on the surface; jagged; notched; stamped in.indenterA device or software program or routine that indents.indentorA person who is a representative for a foreign company, product or a person, and who gets commission or royalty on any transaction which takes place in his home country irrespective of whether the transaction has taken place out of his effort or consent.inderite(mineralogy) A monoclinic-prismatic mineral containing boron, hydrogen, magnesium, and oxygen.indesert(obsolete) Ill desert; failure to deserve something.indevote(obsolete) Not devoted.indevourObsolete spelling of endeavour.indevout(archaic) Not devout.indexersplural of indexerindexingpresent participle and gerund of indexindicantindicative; that points out.indicate(transitive, sometimes with 'of') To point out; to discover; to direct to a knowledge of; to show; to make known.indicialOf or pertaining to an indicia; indicativeindicineA particular steroid glycoside.indiciumAn indication; a sign.indictedsimple past and past participle of indictindicteeA person who is indicted.indicterSomeone who indicts.indictor(law) Someone who indicts.indienne(historical) A type of elaborately patterned textile produced in Europe between the 17th and 19th centuries.indigane(inorganic chemistry) indium hydride, InH₃indigenaA native, local, indigenous inhabitant, aboriginal.indigeneAn indigenous person; a native.indigensplural of indigenindigentPoor; destitute; in need.indigest(obsolete) Crude; undigested; upset; unformed; unorganized.indigineAlternative form of indigene.indignly(obsolete) In an unworthy manner.indigoid(organic chemistry) Having a structure related to indigotin.inditingpresent participle and gerund of inditeindocileUnwilling to be taught or instructed; intractable or recalcitrant.indolate(organic chemistry) Any anion (or salt containing such an anion) derived from an indole by removal of the hydrogen atom bound to the nitrogen atom.indolentHabitually lazy, procrastinating, or resistant to physical labor.indoline(organic chemistry) A bicyclic secondary amine consisting of a benzene ring fused to a pyrrolidine oneindoloneSynonym of oxindole.indomite(obsolete) untamed; savage; wildindoorsy(informal) Favouring, or pertaining to, indoor life.indorsedsimple past and past participle of indorseindorseeArchaic spelling of endorsee.indorserArchaic spelling of endorser.indorsesthird-person singular simple present indicative of indorseindorsorArchaic spelling of endorser.indraftsplural of indraftindrawal(now uncommon) The act of drawing in; an indraught.indrench(transitive, obsolete) To sink or immerse; to steep.indrivenDriven inside.inducersplural of inducerinducingpresent participle and gerund of induceinducive(linguistics) A case indicating the patient who undergoes the tangible effect, impact, or change of state of an act/event initiated/caused by that self-same party. Examples: The boys run in the playground, We talked for hours, The couple eats dinner.inductedsimple past and past participle of inductinducteeOne who, or that which, is inducted.inductor(electronics) A passive device that introduces inductance into an electrical circuit.indulgedHaving had all desires, wishes, and whims granted; having been brought up lavishly, wanting for nothing.indulgeeA person who is indulged.indulgerOne who indulges.indulgesthird-person singular simple present indicative of indulgeinduline(organic chemistry) Any of a series of blue, bluish-red and black dyestuffs, formed by the interaction of para-amino azo compounds with primary monoamines in the presence of a small quantity of a mineral acid.indument(zoology) plumage; feathersindurateTo harden or to grow hard.indusialOf, pertaining to, or containing the petrified cases of the larvae of certain insects.indusium(botany) A protecting membrane, especially that covering the developing spores of a fern.industry(uncountable) The tendency to work persistently.indutive(botany, archaic) covered; applied to seeds which have the usual integumentary covering.induviae(botany) persistent portions of a calyx or corollainduvial(botany) Relating to the induviae.indwellsthird-person singular simple present indicative of indwellinebrityinebriation; drunkennessinediateNot requiring food (and, in some cases, water) to survive.inediblenot edible; not appropriate, worthy, or safe to eatinediblyTo the extent of being inedible.ineditedDated form of unedited. Also, unpublished.inequityA lack of equity (justice).inermiid(zoology)Any fish in the family Inermiidae, a synonym of the Haemulidae.inermous(botany) Without spines or thorns.inerrantExhibiting inerrancy; without error.inerringArchaic form of unerring.inertialOf, relating to, or depending on inertia.inertiasplural of inertiainertingpresent participle and gerund of inertinertionLack of activity or exertion; inertness; quietude.inescate(obsolete, transitive) To allure; to lay a bait for.inessive(grammar) The inessive case, or a word in that case.inexpertInept or unskilled; not of expert ability or quality.infallenpast participle of infallinfaller(astrophysics) A particle that falls behind the event horizon, for example into a black hole.infamiesplural of infamyinfamiseAlternative form of infamize.infamitaA most heinous act against one's own family, or against family life in general.infamize(transitive) To make infamous; to defame or smear.infamousHaving a bad reputation; disreputable; notorious; unpleasant or evil; widely known, especially for something scornful.infantesplural of infanteinfantly(obsolete) Like an infant; childlike.infantrySoldiers who fight on foot (on land), as opposed to cavalry and other mounted units, regardless of external transport (e.g. airborne).infarctsplural of infarctinfaringA faring or entering in; entrance; entry.infaunalBelonging to the infauna.infectedsimple past and past participle of infectinfecteeA person or other organism that has been infected.infecterSomeone or something that infects.infectorSomething that infects; that which causes infection.infeebleArchaic form of enfeeble.inferentSynonym of afferent.inferiae(historical, Roman antiquity) Sacrifices offered to the souls of deceased heroes or friends.inferior(with to) Lower in rank, status, or quality.infernalOf or relating to hell, or the world of the dead; hellish.infernosplural of infernoinferralAct of inferring.inferredsimple past and past participle of inferinferrerOne who infers.infestedsimple past and past participle of infestinfestersomething that infests.infestinA thrombin inhibitor present in the bloodsucking insect Triatoma infestansinficete(obsolete, formal) Lacking wit.infidelsplural of infidelinfieldsplural of infieldinfilledsimple past and past participle of infillinfillerOne who, or that which, fills in a gap.infilterTo filter or sift in.infinateMisspelling of infinite.infiniteIndefinably large, countlessly great; immense.infinito(obsolete, music) infinite; perpetual (usually said of a canon whose end leads back to the beginning)infinity(uncountable) endlessness, unlimitedness, absence of a beginning, end or limits to size.infirmlyIn an infirm manner; feebly.infixingpresent participle and gerund of infixinfixion(linguistics) The addition of an infix.inflamedResulting from or affected by inflammation.inflamer(usually figuratively) Something that inflames.inflamesthird-person singular simple present indicative of inflameinflatedFilled with air or fluidinflaterSomeone who inflates.inflatesthird-person singular simple present indicative of inflateinflaton(physics) A proposed particle that would have been responsible for inflation in the very early universe.inflatorAlternative spelling of inflater.inflectsthird-person singular simple present indicative of inflectinflexed(botany) inflectedinflictsthird-person singular simple present indicative of inflictinflightAlternative spelling of in-flight.influentA stream which flows into another stream or a lake.influxesplural of influxinfobahnAlternative letter-case form of Infobahn.infocast(broadcasting, uncommon) A broadcast of information.infocratA leader in an infocracy; one who controls the flow of information.infodesk(rare) An information desk.infodumpAlternative form of info-dump.infoglutinformation overloadinfoldedsimple past and past participle of infoldinfolderArchaic form of enfolder.infolineA helpline providing information.infonautOne who navigates the information superhighway; an Internet user.infopornInformation which does not serve a purpose other than to hold the attention of its audience; information for information's sake.informalNot formal or ceremonious.informedsimple past and past participle of informinformeeOne who is informed, who receives information.informerOne who informs someone else about something.informorRare spelling of informer.infoshopA storefront or social centre that serves as a node for the distribution of political information and resources for local activists.infotainTo inform and entertain.infotechInformation technology.infotextA text that provides information.infovoreA person who indulges in and desires information gathering and interpretation.infralowLower than conventionally low (frequencies etc.).infrared(countable) A specific wavelength in this range.infringe(transitive) To break or violate a treaty, a law, a right, etc.infrugalNot frugal; wasteful.infumate(transitive) To dry by exposing to smoke; to expose to smoke.infusate(medicine) A fluid given intravenously over a period of time for medication or diagnostic purposes.infusingpresent participle and gerund of infuseinfusionA product consisting of a liquid which has had other ingredients steeped in it to extract useful qualities.infusiveHaving the power of infusion; inspiring; influencing.infusory(zoology, obsolete) One of the Infusoria, a former class of microscopic animals.ingather(transitive) To collect or gather iningenane(organic chemistry) A particular bridged bicyclic diterpene that is the basis of many natural productsingenderObsolete spelling of engender.ingendreObsolete form of engender.ingenite(obsolete) Innate, inborn.ingeniusMisspelling of ingenious.ingestedsimple past and past participle of ingestingesterOne who ingests.ingestorOne who or that which ingests.inghalla(archaic) The reedbuck.ingluvinA digestive substance resembling pepsin, obtained from the gizzards of fowls, employed as a digestant and to relieve vomiting in pregnancy.ingodite(mineralogy) A trigonal-hexagonal scalenohedral silver white mineral containing bismuth, sulfur, and tellurium.ingraftsthird-person singular simple present indicative of ingraftingratesplural of ingrateingroove(transitive) To form a groove in.ingroundInside the ground.ingroupsplural of ingroupingrowth(medicine) Growth inwards.inguilty(obsolete) Not guilty.inguinalOf or pertaining to the groin.ingulfedsimple past and past participle of ingulfinhabile(obsolete) Not apt or fit; inappropriate; unsuitable.inhabitsthird-person singular simple present indicative of inhabitinhalantIntended for inhaling.inhalentUsed for inhaling.inhalersplural of inhalerinhalingpresent participle and gerund of inhaleinhaulerSynonym of inhaul.inhaunceObsolete form of enhance.inhearseAlternative form of enhearse.inhercedObsolete form of enhearsed.inherentNaturally as part or consequence of something.inheringpresent participle and gerund of inhereinheritsthird-person singular simple present indicative of inheritinhesioninherence; act of inheringinhibitsthird-person singular simple present indicative of inhibitinholderAn indweller, or anything indwelling; inhabitant; occupant.inhumaneAlternative form of inhuman: lacking pity or compassion for misery and suffering; cruel, unkind.inhumate(rare) To inhume; to bury.inhumingpresent participle and gerund of inhumeinimicalHarmful in effect.iniparibThe chemical compound 4-iodo-3-nitrobenzamide, once proposed as a drug for cancer treatment.iniquity(uncountable) Deviation from what is right; gross injustice, sin, wickedness.iniquous(obsolete) Synonym of iniquitous.initialsplural of initialinitiandThe subject of an initiationinitiate(transitive) To begin; to start.injectal(medicine) Relating to injection.injectedsimple past and past participle of injectinjecteeA person receiving an injectioninjecterAlternative form of injector.injectorOne who, or that which, injects something.injurantCausing injury.injuriesplural of injuryinjuringpresent participle and gerund of injureinjustly(rare and dated or now nonstandard) Unjustly, unfairly.inkberryAny of various plants that bear dark berries, or the berries themselves:inkbrushA brush used in Chinese calligraphy and painting.inkindleAlternative form of enkindle.inkinessThe condition of or an instance of being inky.inklingsplural of inklinginkmakerA manufacturer of ink.inkprintOrdinary ink printing, when contrasted with braille.inkproofResistant to ink stains.inkstainA spot or area that has been discoloured by absorbing ink.inkstandA small tray containing pens and an inkwell; (by extension) a pot for holding ink, inkpot, inkwell.inkstickA cake of solid ink used in traditional East Asian calligraphy and painting, in combination with an inkstone and inkbrush.inkstoneA stone mortar used for grinding and holding ink in the East Asian art and calligraphy tradition.inkwellsplural of inkwellinlanderSomeone who lives inland.inlayingpresent participle and gerund of inlayinleagueAlternative form of enleague.inliningpresent participle and gerund of inlineinlumineObsolete form of illumine.inmantle(transitive, rare, archaic) To inwrap in a mantle; enshroud.inmingleAlternative form of enmingle.innatelyIn an innate manner, referring to a property that is possessed merely by its nature.innatism(philosophy) The view that the mind is born with certain ideas or knowledge, as opposed to the idea of the "blank slate" or tabula rasa.innatist(philosophy) A supporter of innatism.innative(obsolete) nativeinnelite(mineralogy) A triclinic-pedial mineral containing barium, calcium, fluorine, hydrogen, magnesium, oxygen, potassium, silicon, sodium, sulfur, and titanium.innernetThe mechanism of spiritual or intuitive insight or connectedness.innervedsimple past and past participle of innerveinnerweb(ornithology) (of a plumage) an inner webinnitialObsolete spelling of initial, nowadays a common misspelling.innixion(obsolete, rare) A leaning or resting upon something; an instance of a thing being supported by another; innitency.innocentFree from guilt, sin, or immorality.innodate(obsolete, religion) (with anathema or interdict) To bind up, as in a knot, with the punishment of anathema or interdict; to anathemize or interdict.innovate(intransitive) To introduce something new to a particular environment; to do something new.innoventTo inventively innovate.innuendoA derogatory hint or reference to, or (often sexual) insinuation about, a person or thing.inocular(zoology) Inserted in the corner of the eye, like the antenna of certain insects.inoculeeOne who is inoculated.inoculumThe active material used in an inoculation; an inoculant (i.e., a material or a dose thereof).inodiate(obsolete, transitive) To make odious or hateful.inomycinMisspelling of ionomycin.inosinesplural of inosineinosinicRelating to inosine.inosinyl(organic chemistry, especially in combination) A univalent radical derived from inosine; the acyl group derived from inosinic acidinositol(biochemistry) A simple carbocyclic sugar (hexahydroxycyclohexane; chemical formula: C₆H₁₂O₆) which occurs in animal and plant tissue. Once treated as part of the vitamin B complex, but is not a vitamin as it can be synthesized by the body.inotocinA neuropeptide, similar to oxytocin, present in antsinotrope(medicine) Any inotropic druginotropy(physiology) the force of muscle contractioninovirusAny of the genus Inovirus of filamentous bacteriophages.inputtedsimple past and past participle of inputinputterOne who, or that which, inputs.inquestsplural of inquestinquilabAlternative spelling of inqilab.inquiredsimple past and past participle of inquireinquirerOne who inquires.inquiresthird-person singular simple present indicative of inquireinradius(mathematics) the radius of the largest circle that will fit inside any given geometric shape, especially inside a regular polygoninrailedsimple past and past participle of inrailinrigger(rowing) A rowing boat that has oarlocks positioned on the gunwalesinrolledIncurved or rolled inwards.inrushesplural of inrushinsafety(obsolete) Lack of safety; insecurity, dangerinsanelyIn an insane manner; not sanely.insanery(very rare) An insane asylum.insaniac(slang) Insane and maniacal.insanityThe state of being insane; madness.inscapesplural of inscapeinscientLacking knowledge; ignorant.insconceAlternative spelling of ensconce.inscribe(transitive) To write or cut (words) onto (something, especially a hard surface, or a book to be given to another person); to engrave.inscript(archaic, obsolete) Inscribed.inscrollto curl up like a scrollinsculpt(obsolete, poetic) sculpted; carvedinsearch(obsolete) Alternative form of ensearch.insected(obsolete) Resembling or relating to an insect.insensesthird-person singular simple present indicative of insenseinsertedsimple past and past participle of insertinserteeOne who is penetrated by another during sexual intercourse.inserterAlternative form of insertor.insertorOne who or that which inserts.insessor(ornithology, obsolete) Any of the former taxonomic order Insessores, which included many songbirds.insettedsimple past and past participle of insetinsetter(printing) A device for inserting pre-printed color segments into a monochrome publication.insheathArchaic form of ensheathe.inshrineArchaic form of enshrine.insidelyIn an inside or internal manner; internally.insidersplural of insiderinsidery(informal) Characteristic of an insider; especially, reflecting an insider perspective.insightsplural of insightinsigniaA patch or other object that indicates a person's official or military rank, or membership in a group or organization.insignisSynonym of insignis pine.insistedsimple past and past participle of insistinsisterOne who insists.insition(horticulture, obsolete) The insertion of a scion in a stock; engraftment.inslaverArchaic form of enslaver.insnarerOne who insnares.insolate(transitive) To dry in, or expose to, the sun's rays; to ripen or prepare by such exposure.insolentInsulting in manner or words, particularly in an arrogant or insubordinate manner.insomnia(medicine) A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.insomuchBecause of; since; as a result of.insonate(transitive) To expose to, or treat with, ultrasound.insonify(transitive) To flood an area or an object with carefully-controlled sound waves, typically as a part of sonar or ultrasound imaginginsourceTo obtain goods or services by insourcing.inspectsthird-person singular simple present indicative of inspectinsperse(obsolete, transitive) To sprinkle; to scatter.insphereArchaic form of ensphere.inspiral(astronomy) The path of such a body.inspiredHaving excellence through inspiration.inspirerSomeone who inspires.inspiresthird-person singular simple present indicative of inspireinspiritTo strengthen or hearten; give impetus or vigour.instaban(informal, Internet) To ban without hesitation.instableExhibiting instability; unstableinstadadAlternative form of insta-dad.instagib(video games, transitive) To immediately gib (with no damage beforehand necessary).instaledMisspelling of installed.installsthird-person singular simple present indicative of installinstamomAlternative form of insta-mom.instanceAn occasion; an order of occurrence.instancyinsistence, insistencyinstantsplural of instantinstatedsimple past and past participle of instateinstatesthird-person singular simple present indicative of instateinstauntObsolete form of instant.instaure(obsolete, transitive) To renew or renovate; to instaurate.instillsthird-person singular simple present indicative of instillinstinctA natural or inherent impulse or behaviour.instream(intransitive) To flow or stream in; flow or stream into.instressIn the philosophy of Gerard Manley Hopkins, the apprehension or realization of the inscape, or distinctive design, of an object.instrokeAn inward stroke; specifically, in a steam engine or other engine, a stroke in which the piston is moving away from the crankshaft.instruct(transitive) To teach by giving instructions.insuckenThe multure paid by occupiers of thirled lands for the service of grinding.insudateFluid collection within an arterial wall.insulantAny material used to provide insulationinsularyObsolete form of insular.insulateTo separate, detach, or isolate.insulite(dated) An insulating material, usually some variety of compressed cellulose, made of sawdust, paper pulp, cotton waste, etc.insulize(rare) Alternative form of insulinize.insuloma(pathology) A tumour of the islets of Langerhansinsultedsimple past and past participle of insultinsulteeOne who is insulted.insulterSomeone who insults.insultryInsults generally; the habit or process of insulting.insunder(obsolete form of, en, asunder).insurantSynonym of insured.insuredsplural of insuredinsurersplural of insurerinsuringpresent participle and gerund of insureinswatheArchaic spelling of enswathe.intactlyIn an intact mannerintaglioA design or piece of art which is engraved or etched into something.intakingpresent participle and gerund of intakeintangleArchaic form of entangle.intarsiaA decorative form of Italian wood inlaying.intarsioAlternative form of intarsia (“inlaid wood”).intarweb(slang) Alternative spelling of interweb.intasome(biochemistry) A nucleoprotein complex active in integration of DNA from a bacteriophage into a host.integers(mathematics) plural of integerintegralConstituting a whole together with other parts or factors; not omittable or removable.integrin(biochemistry) Any of many heterodimeric transmembrane proteins that function as receptors in communication between cells.integron(genetics) A system of gene capture and disseminationintenderOne who intends.intensen(intransitive, rare) To grow or become more intense; intensifyintensercomparative form of intense: more intenseintentlyIn an intent or focused manner.interact(intransitive) To act upon each other.interarm(astronomy) Between arms of a spiral galaxy.interbed(geology) To interleave between other beds or strata having different characteristicsinterbitBetween bits (binary digits).intercal(programming) Alternative letter-case form of INTERCAL, a parody programming language created in 1972.intercom(ambitransitive) To communicate (with) by intercom.intercur(obsolete, intransitive) To intervene; to come or occur in the meantime.intercut(transitive) To intersect.interdayBetween subsequent days.interdotBetween dots (in any of several contexts).interess(transitive, obsolete) interestinterest(uncountable, finance) Any excess over and above an exact equivalentinterfix(linguistic morphology) An empty morph inserted between two morphemes in the process of word formation, such as English -i- and -o-.intergen(slang, pornography) Intergenerational; featuring participants whose ages differ greatly.interimsplural of interiminterionSynonym of interionic.interiorWithin any limits, enclosure, or substance; inside; internal; inner.interlap(ambitransitive) To overlap mutually, so that each partially covers the other.interlay(transitive) To insert layers of a different material between.interlegThat acts or occurs between legs.interlie(transitive) To lie between.intermatTo mat together.intermit(transitive, now rare) To interrupt, to stop or cease temporarily or periodically; to suspend.intermix(transitive) To mix together; to intermingle or blend.internalOf or situated on the inside.internedsimple past and past participle of interninterneeOne who is imprisoned or otherwise confined.internesplural of interneinternet(uncountable) Internet access or connection; internet connectivity.internym(Internet) A phrase or epithet, particularly one intended to be witty, inserted in quotation marks between one's first and last names—or elsewhere by or in one's name, if this is not possible—at the end of a post.interpel(transitive, obsolete) To interrupt, break in upon, or intercede with.interredHaving been interred.interrerOne who inters or buries.interrex(history) An official in Ancient Rome who acted as single head of state during the interregnum between two consulates.interrowBetween rows, especially rows of crops.interrunBetween runs (in various senses).intersex(uncountable) The condition of being intersex; intersexuality.intertex(obsolete) To intertwine; to weave or bind together.intertie(figurative) A bond or support.intervalA distance in space.interwarDuring or relating to the period of time between two wars, especially the two World Wars (1919–1939).interweb(Internet slang, humorous, often in the plural) The Internet.inthrallArchaic spelling of enthrall.inthrillAlternative form of enthrill.inthroneArchaic form of enthrone.inthrong(intransitive, archaic) To throng or collect together or in.inthrustTo thrust in or inward.inticingpresent participle and gerund of inticeintifadaAn insurrection; a usually violent attempt to take control of a government.intimacy(countable) Intimate relationship.intimateClosely acquainted; familiar.intimism(art) A genre of art (or literature) involving the depiction of quiet, domestic scenes, usually of domestic interiorsintimistA painter or writer whose art is in the intimism genreintirelyMisspelling of entirely.intiretyArchaic spelling of entirety.intitule(transitive, Early Modern, obsolete) To entitle; to give a title to.intombedsimple past and past participle of intombintonacoThe final, very thin layer of plaster on which a fresco is painted.intonate(transitive, intransitive, dated) To intone or recite (words), especially emphatically or in a chanting manner.intoningpresent participle and gerund of intoneintortorA muscle that carries out intorsion.intraday(finance) occurring during a single day.intrados(architecture) The inner curve of an arch or vault.intradot(physics) Within a quantum dotintragap(physics) Within a gap (in the structure of a semiconductor etc.)intramerAn intracellular aptamerintranet(computing) A private computer network, typically one that uses the protocols of the Internet.intrarunWithin a single run (in various senses).intraset(mathematics, exercise) Within a set.intrasexWithin or among a single sex.intreatyObsolete form of entreaty.intrenchArchaic form of entrench.intrepidFearless; bold; brave.intrigueA complicated or clandestine plot or scheme intended to affect some purpose by secret artifice; conspiracy; stratagem.introitsplural of introitintromit(law, Scotland) To intermeddle with the effects or goods of another.intronicOf or pertaining to introns.introrse(botany) Facing or turned inwards or towards an axis.intrudedsimple past and past participle of intrudeintruderSomeone who intrudes.intrudesthird-person singular simple present indicative of intrudeintruststhird-person singular simple present indicative of intrustintubate(transitive, medicine) To insert a tube into.intuitedsimple past and past participle of intuitintuiterOne who intuits.inturnedturned inwardsinukshukA structure of piled stones, used as a landmark and traditionally constructed by the Inuit, often resembling a humanoid figure.inundant(archaic) overflowinginundateTo cover with large amounts of water; to flood.inurbaneuncivil; unpolished; rudeinustion(obsolete) The act of burning or branding.invadersplural of invaderinvadingpresent participle and gerund of invadeinvalidsplural of invalidinvasionThe entry without consent of an individual or group into an area where they are not wanted.invasiveOf or pertaining to invasion; offensive.invasomeA liposomal vesicle used for drug delivery through the skininveagleObsolete form of inveigle.invecked(heraldry) Obsolete form of invected.invected(heraldry) Having a border consisting of semicircles with the convex part outwards (and the points inwards).inveighsthird-person singular simple present indicative of inveighinveigle(transitive) To convert, convince, or win over with flattery or wiles.inventedfictional, made up, imaginary.inventer(nonstandard) Alternative form of inventor.inventioOne of the five canons of classical rhetoric: the method used for the discovery of arguments.inventorOne who invents, either as a hobby or as an occupation.inverity(rare) Untruth, falsehood.inversesplural of inverseinversin(biochemistry) A ciliary protein that is required for normal renal developmentinversus(music) The inverted part of a composition.invertedHaving the order or direction changed; for example, turned upside down, reversed, or in any other way opposite or contrary.inverterSomething that inverts, or causes inversion.invertin(obsolete, biochemistry) Any enzyme that converts a sugar to an invert sugar; saccharase.invertorThat which inverts.investedsimple past and past participle of investinvesteeThe business entity in which an investment is made.investerMisspelling of investor.investorA person who invests money in order to make a profit.invexityThe state of being invex.inviableSynonym of nonviable.inviablyIn an inviable manner.invigourAlternative form of invigor.invirase(medicine) An antiviral drug that prevents the multiplication of HIV cellsinvirileDeficient in manhood; effeminate, unmanly.inviteesplural of inviteeinvitersplural of inviterinviteth(archaic) third-person singular present simple form of inviteinvitingAlluring; tempting; attractive.invocateTo implore or invoke.invoicedsimple past and past participle of invoiceinvoiceeThe person to whom an invoice is made out.invoicerOne who issues an invoice.invoicesplural of invoiceinvokersplural of invokerinvokingpresent participle and gerund of invokeinvolute(formal) Difficult to understand; complicated.involverSomeone or something that involves.involvesthird-person singular simple present indicative of involveinvulgar(obsolete) Not vulgar; refined; elegant.inwander(intransitive, nonstandard, nonce word) To wander in.inwardlyIn an inward manner; to or toward the inside or to oneself.inweavedsimple past and past participle of inweaveinweavesthird-person singular simple present indicative of inweaveiodamide(pharmacology) A particular molecule used as a contrast medium.iodatian(mineralogy) Containing iodate anions.iodationThe process of iodating.iodetryl(pharmacology) A particular iodinated contrast dye.iodinase(biochemistry) Synonym of thyroperoxidase.iodinate(transitive) To treat, or to combine, with iodine.iodiniumMisspelling of iodonium.iodizingpresent participle and gerund of iodizeiodoform(chemistry) A halogenated hydrocarbon, CHI₃; a yellow crystalline compound, formerly used as a mild antiseptic.iodolium(organic chemistry, especially in combination) A five-membered unsaturated heterocyclic cation containing four carbon atoms, one iodine atom (carrying a positive charge) and two double bondsiodonium(inorganic chemistry) The univalent H₂I⁺ cation, derived from iodaneiodophor(chemistry) A complex of iodine designed to free it in solutioniodopsinA photoreceptor protein found in the cone cells of the retina, the basis of colour vision.iodoxole(organic chemistry) The five-membered unsaturated heterocycle consisting of three carbon atoms, one oxygen atom, one hypervalent iodine atom and one double bond; any derivative of this compoundiodozoneAn iodine and ozone compound, historically used as an antiseptic.iodyrite(mineralogy) a natural mineral form of silver iodideiofratol(pharmacology) An iodinated contrast dye.ionicity(uncountable) The condition of being ionic.ionidium(obsolete) Any of the former genus Ionidium of violaceous plants, chiefly found in tropical America.ionisersplural of ioniserionising(British) Alternative spelling of ionizing.ionizersplural of ionizerionizingCapable of producing ions.ionocyte(cytology) A specialized epithelial cell, involved in the maintenance of osmotic homeostasis, that has many ion transportersionoforeMisspelling of ionophore.ionogramA display of the data produced by an ionosonde; a graph of the virtual height of the ionosphere plotted against frequency.ionomersplural of ionomerionomicsThe study of ionomes.iopentol(pharmacology) A molecule used as a contrast medium.iopidineApraclonidine.iopodate(pharmacology) A salt or ester of iopodic acid, synonym of sodium iopodate.iopydone(pharmacology) An iodinated contrast dye.iotacismPronunciation of another vowel or diphthong as [i], or a vowel shift resulting in such pronunciation, especially in Greek.iotacistOne who is in favor of iotacism.iotation(linguistics) Any similar process occurring in a later Slavic language or elsewhere.iotified(linguistics) Synonym of iotated.iotrolan(pharmacology) A radiocontrast agent.ioversol(pharmacology) An organoiodine compound used as a contrast medium.ipsation(psychology, dated) Solitary masturbation.ipsative(psychology) Denoting a measure that forces a person to choose among multiple desirable options.ipsatize(transitive) To make ipsative.iptycene(organic chemistry) Any of a group of polycyclic aromatic hydrocarbons composed of arene subunits bound to a bridged bicyclooctatriene coreirarsite(mineralogy) An isometric-diploidal iron black mineral containing arsenic, iridium, platinum, rhodium, ruthenium, and sulfur.irascentGrowing angry; becoming enraged.irefullyIn an ireful manner; angrily; wrathfully.irenarch(historical) An officer in Ancient Greece having functions corresponding to those of a Justice of the Peace.irenicalSynonym of irenic (“promoting or fitted to promote peace, especially over disputes; conciliatory, non-confrontational, peaceful”).ireniconA proposition, scheme, or treatise designed to promote peace, especially in the church.irestone(archaic, UK, mining) Any very hard rock.irideous(botany) Of or pertaining to the irises (of family Iridaceae).iridesce(intransitive) To be iridescent; to exhibit iridescence.iridesis(surgery) The ligature of a portion of the iris brought out through an incision in the cornea.iridinid(zoology)Any freshwater mussel in the family Iridinidae.iridious(chemistry) Containing trivalent iridium.iriditisInflammation of the iris of the eye; iritis.irigenin(biochemistry) An O-methylated isoflavone that can be isolated from the rhizomes of the leopard lily (Iris domestica). Its 7-glucoside is iridin.irisatedExhibiting the prismatic colours; iridescent.iriscopeA philosophical toy for exhibiting the prismatic tints by means of thin films.irisless(of eyes) Without irises.irislikeResembling or characteristic of an iris (the plant or its flower).ironableCapable of being ironed.ironbark(chiefly Australia) Any of several unrelated eucalypts that have dark, deeply furrowed bark.ironcladCovered with iron, steel, or (loosely) any other tough metal; armor-plated.ironheadSynonym of knapweed.ironicalCharacterized by or constituting (any kind of) irony.ironiserSomeone who speaks ironicallyironistsplural of ironistironizedsimple past and past participle of ironizeironizesthird-person singular simple present indicative of ironizeironlikeResembling iron or some aspect of it.ironmineAlternative spelling of iron mine.ironnessQuality of being iron.ironsandA type of black sand with a high iron content, found on many west coast beaches in New Zealand, as well as elsewhere.ironshodOf a stick or cane: covered in iron at one end.ironshot(geology) streaked, speckled, or marked with iron or an iron oreironsideOne who is very strong and courageous.ironwareArticles made of iron, as household utensils, tools, and the like.ironweedAny of certain species of the genus Vernonia of forbs and shrubs.ironwoodAny of numerous tree species known locally for having a particularly solid wood, or the wood of such species itself.ironwork(uncountable) Anything made wholly or largely of iron, especially when used for decoration.ironwortA herb of several species in the genus Sideritis, formerly believed to heal sword cuts.irrealis(grammar, of a verb) Inflected to indicate that an act or state of being is not a fact.irrelate(archaic) unrelated; not connectedirrigate(transitive) To supply (farmland) with water, by building ditches, pipes, etc.irrision(obsolete) The act of laughing at another; derision.irrisoryExpressing irrision; mocking.irritantCausing irritation or inflammation.irritate(transitive) To provoke impatience, anger, or displeasure in.irrorate(transitive, obsolete) To sprinkle or moisten with dew; to bedew.irrugate(obsolete, rare) To wrinkle.irrumate(transitive) To thrust the penis into the mouth; to practice irrumation.irruptedsimple past and past participle of irruptisabellaA pale grey-yellow, fawn, cream-brown or parchment colour.isabelleSynonym of isabella.isagogic(chiefly theology) introductoryisangomaSynonym of sangoma.isanomalAn isabnormal.isarithmAn isoline, or contour line.isatinicRelating to isatin.isatinyl(organic chemistry, especially in combination) The univalent radical derived from isatinisatogen(organic chemistry) A complex nitrogenous radical, C₈H₄NO₂, related to isatin.isavirusAny member of the genus Isavirus of viruses that cause infectious anemia in salmon.ischaticMisspelling of ischiatic.ischemia(cardiology, pathology) Local disturbance in blood circulation due to mechanical obstruction of the blood supply (for example, embolism, thrombosis, or vasoconstriction).ischemic(pathology) Characteristic of, or accompanied by, ischemia — localised anaemia due to mechanical obstruction of the blood supply, creating a local disturbance in blood circulation.ischuria(archaic) Alternative spelling of ischury.isegananA particular antimicrobial peptideisegoriaequality of all citizens in freedom of speech, specially in public assemblies.isegoricOf or pertaining to isegoria.ishpingoAny of various South American plants.isibongoA complimentary metonym used to describe members of a Zulu clan.isidiateHaving isidia.isidioidResembling or characteristic of the former lichen genus Isidium.islamism(rare) Alternative letter-case form of Islamism.islandedsimple past and past participle of islandislanderA person who lives on an island.islandic(rare) Pertaining to an island or group of islands.islandlyLike, relating to, or typical of an island; islandyislelessWithout isles.islesmanSynonym of isleman.islewardToward an island.isoactin(biochemistry) Any isoform of an actinisobarichaving the same pressures, masses, or densitiesisobenth(marine biology) An isoline connecting points on a map having equal amounts of benthic biomass.isobolarComposed of isobolesisobront(meteorology) An isoline drawn through geographical points at which a given phase of thunderstorm activity occurred simultaneously.isobutyl(organic chemistry, especially in combination) The univalent hydrocarbon radical derived from isobutanolisochasm(geography) A line connecting places on the Earth's surface that have the same mean frequency of auroras.isocheimAn isotherm connecting points on a map with equal mean winter temperature.isochlorAn isoline connecting points on a map with the same concentration of chlorine in water.isochore(physics) A line drawn on a graph showing the variation of the pressure of a constant volume of gas as it varies with temperature.isochron(geology, geochemistry) A line on a chart linking rock of the same age (as determined from isotope ratios).isoclassAn isomorphism class.isocline(geology) A tightly folded syncline or anticline in which the two sides are almost parallel.isocolic(prosody) Having cola of equal lengthisocolon(rhetoric) A rhetorical scheme in which parallel elements possess the same number of words or syllables.isoconic(mathematics, of precessional motion) Describing the same cone.isocoriaThe condition of having the pupils of both eyes the same sizeisocostsplural of isocostisocracyA form of government where all citizens have equal political power.isocrymeAn isoline connecting points on the Earth's surface having the same mean temperature in the coldest month of the year.isocurve(mathematics) An isoparametric curveisodecyl(organic chemistry, especially in combination) Any of several branched-chain isomers of the decyl radical, but especially 3,5,5-trimethyl hexylisodense(sciences, especially biochemistry) Evenly or uniformly dense; of the same density (as an adjacent object, tissue, etc).isodomicRelating to, or characteristic of isodomonisodomonA form of masonry in which the vertical joint of each course is in the middle of the block beneath.isodontyThe condition of being isodontisodrome(naval) A method of moving a fleet from one formation to another, the direction usually being changed eight points, by means of paths of equal length for each ship.isoester(organic chemistry) The ester of an isoacidisofield(physics) A region of identical field strength (especially that of a magnetic field)isoformsplural of isoformisofuran(biochemistry) Any of various nonclassic eicosanoids formed nonenzymatically by free radical mediated peroxidation of arachidonic acid, similar to the isoprostanes but with a substituted tetrahydrofuran ring.isogamicRelating to isogamy.isogenic(genetics) Having the same genes.isogesisMisspelling of eisegesis.isogloss(linguistics) A line on a map indicating the geographical boundaries of a linguistic feature.isogonal(cartography, navigation) Describing lines connecting points on the Earth's surface whose magnetic declination is identical.isogonic(cartography, navigation) Describing imaginary lines connecting points on the Earth's surface of identical magnetic declination.isogoriaEquality of freedom of speech and expression; the right of each citizen of a city (or other unit) to speak in public, to be heard, and address that city and populace regardless of their position or reputation.isograftA surgical transplant of tissue between genetically identical individuals (i.e. monozygotic twins).isograph(sociolinguistics) A line indicating the geographical boundaries within which a particular feature of a written script is used.isogroup(genetics) An assembled transcription sequence approximately equivalent to a geneisogyric(chemistry, of a reaction) In which the number of electron pairs is conservedisohumicHaving the same, or uniform, percentage of humic acid.isohypse(cartography) A contour line; a line on a map connecting points of equal height.isoimide(organic chemistry) An isomer of an imide in which the oxygen and one of the nitrogen atoms are swapped R-N=C(R¹)-O-CO-Risoionic(chemistry) Having the same number of positive and negative chargesisolableAble to be isolated.isolablySuch that it can be isolated.isolanid(biochemistry) lanatoside C, a cardiac glycosideisolatedPlaced or standing apart or alone; in isolation.isolateeOne who is isolated.isolatesplural of isolateisolatorAn electrical device that detects short circuits and isolates them.isoletteAn incubator for a new-born baby.isolexicInvolving or indicating the same vocabulary.isolinesplural of isolineisolobal(chemistry) Describing fragments of molecules that are similar in having frontier orbitals that are equal in number and similar in size, and have the same symmetries and the same occupation by electrons.isologue(chemistry) An isologous substance.isolysinA hemolysin, in the serum of an animal, that will dissolve the red blood cells of another animal of the same species.isolysisThe breakdown of cells due to the action of an isolysin and its antigen.isolyticof, relating to, or causing isolysisisomeric(physical chemistry, nuclear physics) Being an isomer.isometry(mathematics) A function between metric spaces (or on a single metric space) having the property that the distance between two images is equal to the distance between their preimages.isomolar(chemistry) Having equal molarityisomorphAnything that exhibits isomorphismisoneral(organic chemistry) The monoterpenoid aldehyde (3Z)-3,7-dimethylocta-3,6-dienalisonixinA nonsteroidal anti-inflammatory drug.isonomiaEquality before the law; possession of equal rights; equal distribution of rights and privileges.isonomicThe same, or equal, in law or right; one in kind or origin; analogous or similar.isononyl(organic chemistry, especially in combination) Any of several branched-chain isomers of the nonyl radical, but especially 3,5,5-trimethyl pentylisonymicHaving the same name, especially the same family name.isooctyl(organic chemistry) Any of several octyl isomers that have a sidechain, but especially 6-methyl-heptylisopathy(medicine) The system that treats a disease by means of the virus of the same disease.isophagy(archaic) Autolysis.isophane(of a solution containing protamine and insulin) Being of a certain ratio of protamine to insulin.isopheneA line (on a map, etc.) joining places where a particular biological phenomenon is exhibited in the same way, such as where plants flower at the same time (an isanthesic) or where the same proportion of clines is found.isophoneAn isogloss indicating where a certain phone, or speech segment, is found.isophote(computer graphics) A contour of equal luminance in an image.isoplethA line drawn on a map through all points having the same value of some measurable quantity.isopodan(zoology) Of or relating to the isopods.isopolarHaving the same poles or apicesisoporicConcerning isopors, lines of equal annual change in a geomagnetic property.isopract(geography) An isoline.isoprene(organic chemistry) An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.isoquant(economics) A line of equal or constant economic production on a graph, chart or map.isorhizaAn open, tubular nematocyst, in Cnidaria, that anchors the animal as it moves on its tentaclesisoscapeThe geographic distribution of isotope ratios.isoseistSynonym of isoseismalisospace(physics) A form of spacetime that is rotated about some axisisospore(biology) One of the spores produced by an isosporous organism.isosporyThe quality of being isosporous.isostasy(geology) The state of balance or pressure equilibrium thought to exist within the Earth's crust, whereby the upper lithosphere floats on denser magma beneath.isostere(chemistry) Any of a group of molecules or ions that have the same number of valence electrons and have chemical or physical similarities. For example, SH, NH2 and CH3 are isosteres of OH.isothereAn isotherm connecting points on a map with equal mean summer temperature.isothermA line on a graph or chart, such as a weather map, along which all the points have the same temperature.isotocinA derivative of oxytocin that occurs in fishisotomic(geometry) Having equal but reflected cevians.isotomid(zoology) Any springtail in the family Isotomidae.isotonesplural of isotoneisotonic(of two solutions) Having the same osmotic pressure.isotopesplural of isotopeisotopic(chemistry, physics) of, or relating to isotopesisotoxal(geometry, of a polytope or tiling) That has symmetries which act transitively on its edges.isotoxin(zoology) A toxin from an animal that is toxic to others of the same species.isotropy(geometry, physics) The property of being identical, or having the same physical properties, in all directions.isotypedMarked with an isotypeisotypesplural of isotypeisotypicOf, related to, or being an isotype.isouraneSynonym of isoflurane.isovalueHaving the same valueisovoxelAny of a thee-dimensional grid of equally-sized voxelsisoxabenThe benzamide herbicide (N-[3-(1-ethyl-1-methylpropyl)-1,2-oxazol-5-yl]-2,6-dimethoxybenzamide).isoxicam(pharmacology) A nonsteroidal anti-inflammatory drug.isozymesplural of isozymeisozymicPertaining to an isozymeispaghulAlternative form of ispaghula.issuable(law) Leading to, producing, or relating to, an issue; capable of being made an issue at law.issuably(law, archaic) In an issuable manner; by way of issue.issuanceThe act of issuing, or giving out.issuefic(fandom slang) Fan fiction which explores or comments upon social and/or political issues.issueingMisspelling of issuing.isthmialSynonym of isthmicisthmianOf or pertaining to an isthmus, especially to the Isthmus of Corinth, in Greece.isthmoid(graph theory) A set of vertices of a graph after whose deletion the graph is no longer connected.isuretin(organic chemistry) The product of the action of hydrocyanic acid upon hydroxylamine.itaconicOf or pertaining to itaconic acid or its derivativesitchiestsuperlative form of itchy: most itchyitchlessNot causing itching.itchlikeLike an itch; similar to a rash or skin irritation that causes itching.itchsomeCharacterised or marked by itchingitchweedVeratrum viride, a toxic North American plant.itemisedsimple past and past participle of itemiseitemiserAlternative form of itemizer.itemisesthird-person singular simple present indicative of itemiseitemizedsimple past and past participle of itemizeitemizerThat which itemizes.itemizesthird-person singular simple present indicative of itemizeitemsetsplural of itemsetitemwiseWith regard to itemsiterableCapable of being iterated.iterablyIn an iterable manner.iterance(obsolete) iterationiterancyAlternative form of iterance.iteratedsimple past and past participle of iterateiteratesplural of iterateiteratorOne who or that which iterates.itopride(pharmacology) A prokinetic benzamide derivative used to treat gastrointestinal conditions.ittardanA small decorative bottle used to hold attar.iwakiite(mineralogy) A tetragonal-ditetragonal dipyramidal greenish black mineral containing iron, manganese, and oxygen.ixazomib(medicine) A proteasome inhibitor that is used in cancer therapyixiolite(mineralogy) A monoclinic-prismatic mineral containing iron, manganese, niobium, oxygen, tantalum, and tin.ixocutis(mycology) The outer surface of a mushroom where the hyphae are a gelatinous horizontal layer and lying flat.ixoderinAny of a class of proteins found in ticks of the genus Ixodes.ixodidinAn antimicrobial peptide present in ticks of the order IxodidaiyomanteAlternative form of iomante.izibongoplural of isibongoizzarees(obsolete) A kind of cloth from India.izzaries(obsolete) Alternative form of izzarees.
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