Other Ending Letters

Word Lengths Starting With U

All 878 Matching Words

ubercool(informal, colloquial) The augmentative form of cool: very cool.ubermodel(slang) A particularly successful supermodel.ubersexualA heterosexual male displaying confidence and concern for others.ubichromenol(organic chemistry) A polyisoprenoid derivative of chromenolubiquinol(biochemistry) A certain benzoquinol, the reduced product of ubiquinone, also called coenzyme Q₁₀.udal(Shetland, Orkney) Allodial, inalienable.udderfulHaving a full udder.udoll(soil science) A kind of mollisol found in areas with an udic moisture regime.ufocalA focus of UFO activity.ufologicalOf or pertaining to ufology.ugal(music) A bronze metallophone used in the classical gamelan music of Indonesia.uinalAlternative form of winal.ul(computing) Alternative form of UL (“upload”).ulipristal(pharmacology) A selective progesterone receptor modulator used in the acetate form for emergency contraception and to treat uterine fibroids.ulnocarpal(anatomy) Relating to the ulna and carpus.ulnohumeral(anatomy) Relating to the humerus and ulna; humeroulnar.ulnometacarpal(anatomy) Relating to the ulna and metacarpus.ulnoradial(anatomy) Relating to the ulna and radius.ulobetasol(pharmacology) A particular corticosteroid used to treat psoriasis.ultimobranchial(anatomy) Designating the fifth (last) pharyngeal pouch of the embryoultisol(soil science) A soil that has a weathered clay horizon as a result of argilluviation.ultracarefulExtremely careful.ultracasual(informal) Extremely casual.ultracentrifugalRelating to ultracentrifugation.ultracivilextremely civilultracolossal(rare) Exceedingly colossal; of utmost colossalness.ultracommercialExtremely commercial or commercialized.ultracoolextremely coolultracordialextremely cordialultracriticalSynonym of hypercritical.ultradifferential(mathematics) A generalization of a differential that is calculated over an ultradistribution.ultradistal(anatomy) Extremely distalultraevangelicalextremely evangelicalultrafanaticalExtremely fanatical.ultrafeudalExtremely feudal.ultraformalextremely formalultrafunctionalExtremely and rigidly functional, without emotion or ornament.ultragenteel(informal) Very genteel.ultraimpersonalExtremely impersonal.ultraintellectualHighly intellectual.ultralegalGoing beyond what is authorized or set out by law.ultralethalExceedingly lethal or deadly.ultraliberalExtremely liberal.ultralocal(mathematics, physics) Whose properties are influenced by its immediate neighbours onlyultralogicalextremely logicalultraloyalExtremely loyal.ultramatricial(mathematics) Isomorphic to a countable direct limit of matricial algebras.ultramaximalAbove or beyond a maximum, for example on a graph.ultramicrobacterialRelating to ultramicrobacteria.ultramicrochemicalRelating to ultramicrochemistry.ultramicropathologicalRelating to ultramicropathologyultramicroscopicalultramicroscopicultramicrostructuralRelating to ultramicrostructureultramorphologicalRelating to ultramorphologyultranationalultranationalistultranaturalExtremely natural.ultraparadoxical(psychology) Relating to the third and final stage in Pavlov's theory of transmarginal inhibition, at which point negative stimulation results in positive responses and vice versa.ultraparallel(geometry, of lines in hyperbolic geometry) Sharing a common perpendicular.ultraperipheralOn the extreme peripheryultrapersonalExtremely personalultraphysicalextremely physical.ultrapolynomialRelating to ultrapolynomials.ultrapowerful(rare) Extremely or exceedingly powerful; having, or capable of exerting great power, potency, or influence.ultrapracticalExtremely practical.ultraprofessionalextremely professionalultraradicalExtremely radical, especially in politics.ultrarationalExtremely rational.ultrasensualExtremely sensual.ultrasentimentalHighly sentimental.ultrasmallExtremely or exceedingly small.ultrasocialVery highly social.ultrasonographicalultrasonographicultrasonologicalRelating to ultrasound.ultraspectral(physics) Describing extremely high-definition spectral imaging (beyond hyperspectral)ultraspherical(mathematics) Related to or involving a Gegenbauer polynomial.ultraspiritualextremely spiritualultrastructuralOf or pertaining to ultrastructure.ultratechnicalextremely technicalultraterrestrialBeyond the planet Earth.ultratotal(logic, archaic) That quantifies more than the total quantity.ultratraditionalExtremely traditionalultratropicalSituated beyond, or outside of, the tropics.ultratypicalConforming in every way to an idealised type; typical in every respect.ultratyrannical(rare) Extraordinarily tyrannical; of utmost tyranny.ultrazodiacal(archaic, astronomy) Outside the zodiac; being in that part of the skies that is more than eight degrees from the ecliptic.ulvospinelAlternative spelling of ulvöspinel.umbelThe pileus of certain fungi.umbelliferyl(organic chemistry, especially in combination) A univalent radical derived from umbelliferoneumbilical(anatomy) Of, or relating to, the navel (umbilicus) or the umbilical cord.umbilicoplacentalumbilical and placentalumbilicovesical(anatomy) Relating to the umbilicus and the urinary bladder.umbonalRelating to the umbo.umbonialOf or relating to an umbo.umbralOf or relating to an umbra.umbraticalAlternative form of umbratic.umbraviralRelating to the umbravirusesumbrel(historical) An umbrere; the visor of a helmetumbrilAlternative form of umbrel.umbrisolA kind of soil with a dark topsoil and having organic matter accumulated within the mineral surface soil.umolAlternative spelling of µmol.umpiricalOf or pertaining to an umpire.unacademicalnot academicalunaccidentalNot accidental.unadversarialNot adversarial.unaestheticalNot aesthetical.unagriculturalNot agricultural.unalsingle, based on the number oneunalchemicalNot alchemical.unalgebraicalNot algebraical.unallegoricalNot allegorical.unalphabeticalNot alphabetical.unambassadorialNot ambassadorial.unambrosialNot ambrosial.unanalogicalNot analogical.unanalyticalNot analytical.unanatomicalNot anatomical.unangelicalnot angelicalunapocryphalNot apocryphal; not of doubtful authority, authoritativeunapocryphallObsolete spelling of unapocryphal.unapostolicalSynonym of unapostolic.unapparel(obsolete) To divest of clothing; to strip.unapprovalThe failure to approve something.unarchitecturalNot architectural.unarithmeticalNot arithmetical.unarrivalFailure to arrive.unartfulNot artful; lacking craft, artless.unartificialNot artificial.unartisticalNot artistical.unaspirationalNot aspirational.unauthentical(archaic) Inauthentic.unball(transitive) To release (the fists, etc.) from a balled shape.unbarrel(transitive) To unpack from a barrel or barrels.unbarristerialNot characteristic of a barristerunbeautifulNot beautiful; ugly or inelegant.unbefool(transitive, obsolete) To educate so as to stop being a foolunbeneficialNot beneficial.unbiblicalNot biblical; contrary to biblical teachings.unbiographicalNot biographical.unbiologicalSynonym of nonbiological.unblamefulnot blameful or blameworthy; innocentunboil(transitive) To reverse the process of boiling.unbotanicalNot botanical.unbountifulNot bountiful.unbowel(transitive) To deprive of the entrails; to disembowel.unbrail(nautical) To undo the brailing of a sail.unburialThe digging up of something previously buried; disinterment; exhumation.uncal(anatomy) Of or relating to the uncus.uncancel(transitive) To take back, undo the act of canceling (someone or something).uncanonicalNot canonical.uncardinal(rare) To remove from the cardinalship; to remove from the position of cardinal.uncarefulNot careful; careless, incautious.uncategoricalNot categorical.uncelestialNot celestial.unceremonialNot ceremonial.unchangefulNot changeful.uncharnel(transitive, archaic) To remove from a charnel house; to raise from the grave; to exhume.unchemicalNot according with the practice or study of chemistry.unchill(transitive) To warm or thaw; to remove the chill from.unchronologicalNot chronological.uncialOf or relating to a majuscule style of writing with unjoined, rounded letters, originally used in the 4th–9th centuries.uncinaluncinate; hookeduncinarialRelating to nematodes of the genus Uncinaria.uncircumstantialNot circumstantial.uncivilNot civilizedunclassicalNot classical.uncloistralNot cloistral.uncoil(transitive) To unwind or untwist (something).uncoincidentalNot coincidental.uncollegialNot collegial.uncolloquialNot colloquial.uncolorfulNot colorful; dull or colorless.uncolourfulAlternative spelling of uncolorful.uncommercialNot commercial; often specifically not commercially viable.uncomplementalNot complemental.unconceal(transitive) To bring out of hiding; to reveal or make public.unconditionalAbsolute; without conditions, limitations, reservations or qualifications.unconfidentialNot confidential.unconfrontationalNot confrontational.uncongeal(intransitive) To become liquid again; to thaw.uncongenialNot congenial, compatible or sympathetic.uncongregationalNot congregational.uncongressionalNot congressional.unconnubialNot connubial.unconsensualWithout consent.unconsequentialinconsequentialunconspiratorialNot conspiratorial.unconstitutionalContrary to or violative of the constitution of a state or other sovereign institution.uncontextualNot contextual.uncontinentalNot continental.uncontractualNot contractual.uncontrol(uncommon) The lack or absence of control.uncontroversialNot controversial.unconventionalNot adhering to custom, convention, or accepted standards.unconversationalNot conversational.uncool(slang) Not in accord with the current fashion, standards, or mores of a particular group; not cool.uncorporalSynonym of incorporeal.uncorporeal(rare) Not corporeal.uncovertebral(anatomy) Relating to the uncus and vertebrae; applied to Luschka's joints.uncowl(transitive) To divest or deprive of a cowl (monk's hood or hooded robe).uncriticalLacking critique or critical examination; undiscriminating.unctionalExhibiting or relating to unction.uncurl(transitive, intransitive) To straighten out from being curled up.undecagonalHaving eleven sides and angles.undecanal(organic chemistry) The saturated aliphatic aldehyde having eleven carbon atomsundecanolA fatty alcohol with a citrus odour, sometimes used as flavouring.undecanoyl(organic chemistry, especially in combination) The univalent radical derived from undecanoic acid by loss of the hydroxy groupundecaprenol(organic chemistry) An isoprenoid alcohol (having 11 isoprene units) that has a role in peptidoglycan biosynthesisundecaprenyl(organic chemistry, especially in combination) The univalent radical derived from undecaprenolundeceitfulNot deceitful.undecennialOccurring or observed every eleventh year.undecimalBased upon the number elevenundecyl(organic chemistry, especially in combination) Any univalent radical derived from an undecaneundeferentialNot showing appropriate respect or courtesy.undelightfulNot delightful.undelusionalNot delusional.undenominationalNondenominational: not denominational, used e.g. of a church.underappraisalAn appraisal that undervalues something.underarousalLess than the normal extent of arousalunderbill(transitive) To bill an inadequate amount.underboilTo boil insufficiently.undercoolTo cool insufficientlyundercultural(rare) Of or pertaining to an underculture.underdeal(ambitransitive) To deal insufficiently or inadequately; have dealings which are below requirement or expectationunderdevilSynonym of subdevil.underemotionalDeficient in emotion; cold, distant.underfeel(transitive and intransitive) To feel inadequately or to a lesser degree than expected.underfill(transitive) To fill with an insufficient amount.underfullNot full enough; not filled to available capacity.undergeneralA subordinate general.undergrowlA subdued growling or grumbling.underhill(Sussex) (of a road, track or other path) passing along the foot of a hill.underkill(manufacturing) Insufficient disposal because of inadequate inspection criteria.undermeal(obsolete) Synonym of undern: originally terce and the morning, later (UK, dialectal, obsolete) noon and the early afternoon.undernutritionalRelating to undernutritionunderofficialA subordinate official.underoil(transitive) To oil too little.underpotential(physics, chemistry) A potential (for the deposition of a metal on a surface) that is greater than that predicted by the Nernst equation.underpull(engineering) A driver for pumping that has the eccentrics under the gear wheel.underrehearsalInsufficient rehearsal.underseal(transitive) To coat (the underbody or chassis of a vehicle) with underseal.undersecretarialOf or pertaining to an undersecretary.undersellTo sell goods for a lower price than a competitor.undershellThe plastron of a turtle or tortoise.undersignalTo signal inadequately.undersillBeneath a sill.undersoil(geology) The soil underneath the surface / topsoil and above the bedrock.underswellAn undercurrent.undertailBeneath a tail.undertrial(India, law) One who is currently on trial or who is imprisoned on remand whilst awaiting trial.underwoolThe short, wooly underfur of certain animals, especially sheep.undetrimentalNot detrimental.undevicesimalBased upon the number nineteen.undevil(archaic, transitive) To free from possession by a devil or evil spirit; to exorcise or to make less devilish.undevotionalNot devotional.undiabolicalNot diabolical.undialecticalNot dialectical.undictatorialNot dictatorial.undifferentialNot differential.undigital(nonstandard) Not digital; analog.undinalRelating to, or characteristic of, an undineundiplomaticalDated form of undiplomatic.undirectionalNot directional.undistastefulNot distasteful.undistressfulNot distressful.undistrustfulNot distrustful.undividual(obsolete) indivisibleundoctrinalNot doctrinal.undogmaticalNot dogmatical.undominicalNot dominical.undramaticalNot dramatical.undropsicalNot dropsical.undulipodialRelating to an undulipodium.undullNot dull; sharp.unecclesiasticalNot ecclesiastical.unecologicalNot ecological.uneconomical(finance) not economicalunecumenicalNot ecumenical.unegoisticalNot egoistical.unegotisticalNot egotistical.unelectricalNot electrical.unelementalNot elemental.unellipticalNot elliptical.unemotionalShowing little or no feeling.unemphaticalNot emphatical.unempiricalNot empirical.unenigmaticalNot enigmatical.unenrolAlternative form of unenroll.unenroll(ambitransitive) To undo the enrolment of; to cause (oneself or another person) to not be enrolled.unenthrall(literal or figurative) Synonym of unenslave.unentomologicalNot entomological.unentrepreneurialNot entrepreneurial.unephemeral(rare) Not ephemeral; lasting for a reasonable time.unepiscopalNot episcopal.unepithelialNot epithelial.unequallObsolete spelling of unequal.unequidimensionalNot equidimensional.unequilateralNot equilateral.unequivocalUnambiguous; without equivocation or ambiguity; singularly clear, unmistakable, or unquestionableunessentialNot essential.unethicalBreaching the established standards of conduct or behavior within a particular organization or profession.unethnologicalNot ethnological.unetymologicalNot etymological.uneucharisticalAlternative form of uneucharistic.unevangelicalNot evangelical.uneventfulmonotonous; lacking significant or noteworthy eventsunevidentialNot evidential.unexceptionalNot exceptional.unexperientialNot experiential.unexperimentalNot experimental.unfactionalNot factional.unfail(uncommon, nonstandard) To undo or reverse the failure of; to return to an unfailed state.unfaithfulNot having religious faith.unfanaticalNot fanatical.unfantasticalNot fantastical.unfeel(transitive) To reverse or negate the feeling ofunfilialNot befitting or proper for a son.unfill(transitive) To empty.unfinalNot final; unresolved; inconclusive.unfinancialIn debt; not having paid one's dues.unfool(transitive) To restore from folly, from being a fool, or from being foolish.unforethoughtfulNot forethoughtful.unforgetfulnot forgetfulunfoul(transitive) To free (something snagged or fouled).unfraternalNot fraternal; not befitting a brother.unfrightfulNot frightful or terrifying.unfruitful(chiefly figurative) Not bearing fruit.unfuel(transitive) To remove fuel from.unfulfil(UK) Alternative spelling of unfulfill.unfulfill(transitive, US) to not fulfill; stop short of fulfillment or completionunfullNot full or complete; incomplete, imperfect.unfunctionalNot functional; ornamental, or serving some other purpose than a practical one.unfundamentalNot fundamental.unfurlTo unroll or release something that had been rolled up, typically a sail or a flag.ungenericalNot generical.ungenteelNot genteel; coarse and ill-mannered.ungeographicalNot geographical.ungeologicalNot geological.ungeometricalNot geometrical.unglorifulNot gloriful or glorious; ungloriousungraceful(colloquial, nonstandard) Not graceful; lacking grace.ungrammatical(linguistics) In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable or incorrect usage.ungratefulNot grateful; not expressing gratitude.ungual(biology) Pertaining to or resembling a creature's nail, claw or hoof; unguinal.unguealAlternative form of ungual.unguinal(biology) Pertaining to a biological nail or to the nails; resembling a nail; ungual.unhabitualNot habitual; uncustomary.unhalal(somewhat informal, chiefly Islam) Not halal; haram.unharmonicalAlternative form of unharmonic.unhealAlternative form of unhele.unhealthfulNot promoting health; detrimental to health.unheedfulNot paying attentionunhelpfulNot providing help or assistance; not helpful.unhereticalNot heretical.unhierarchicalNot hierarchicalunhieraticalNot hieratical.unhill(obsolete) To uncover, reveal.unhistoricalNot historical; not based on history.unhorizontalNot horizontal.unhypocriticalNot hypocritical.unhypotheticalNot hypothetical.unhystericalNot hysterical.unialgalContaining only a single type of algauniapicalHaving a single apexuniatrialRelating to, or affecting only one atrium (of the heart)uniaxalArchaic form of uniaxial.uniaxialHaving a single axis; monoaxialuniaxonal(of a neuron) Having a single axonuniball(automotive, aviation) A spherical bearing.unibasal(anatomy) Having only one basal.unicameral(government) Of, or having, a single legislative chamber.unicellAny unicelled organism.unicentralHaving a single centre.unichiralWith a single axis of chirality.unichromosomal(genetics) Of, pertaining to, or based upon a single chromosomeuniclinal(geology) monoclinaluniclonalRelating to a single clone; derived from a single cell lineunicodalPertaining to or using a single code or language.unicolonial(of ants) Exhibiting unicoloniality.unicompartmentalHaving or relating to a single compartment.uniconceptualInvolving a single concept.uniconsonantalHaving or relating to a single consonant.unicornealHaving or relating to a single cornea.unicoronalInvolving one of the coronal sutures.unicorticalSynonym of monocortical.unicritical(mathematics) Having a single critical point.unicryptalHaving a single cryptunicursalBeing composed entirely of a single continuous path or line.unicuspidalHaving a single cuspunicyanobacterialRelating to a single type of cyanobacteriumunidactyl(zoology) Having one digit.unidenticalNot identical.unideologicalNot ideological.unidimensionalone-dimensionalunidirectionalPertaining to only one direction, e.g.: where all component parts are aligned in the same direction in space.uniexponentialSynonym of monoexponential.unifacialHaving, or showing, a single face.unifactorialOf or pertaining to one single factor.unifamilialOf or relating to a single family.unifloral(of honey) Produced from the nectar of a single species of plant flowerunifocalHaving a single focus (location)uniformal(obsolete) uniformunifunctionalHaving, or employing a single functionunigenerationalRelating to one single generation.unigenital(rare, formal) only begotten; being an only childunigonal(rare) (of a polygon) the quality of having one edge and one side.unihormonalRelating to a single hormoneunikernel(operating systems) A specialised, fixed-purpose machine image which can run directly on hardware or a hypervisor without an operating system such as Linux.unilateralDone by one side only.unilineal(genealogy) Of or pertaining to one side of a family.unilingual(linguistics) Knowing or using a single language.uniliteralConsisting of a single letter; single-letter.unilobalHaving or relating to a single lobe.unimanualInvolving or using only one handunimodalHaving, or operating in, a single mode.unimpactfulNot impactful.unimpartialNot impartial.uninationalOf, pertaining to, or consisting of a single nation.unincidentalUnmarked by incidents; uneventful.unindividualNot individual.unindustrialNot industrial.uninfluentialNot influential; lacking influence.uninodalHaving a single node.uninomialConsisting of a single word or term; used mostly of taxonomic designations.uninominal(politics, of a legislature, an electoral system, etc) That elects one member from each district, or (of a person) elected from a specific district rather than at large.uninquisitorialNot inquisitorial.uninsightfulNot insightful.uninspirationalNot inspirational.uninstall(computing) To completely remove hardware or software from a computer system.uninstrumentalNot instrumental.unintellectual(of a person) Not intellectual.unintentionalNot intended or deliberate; inadvertent; unwitting.uninternationalNot international.uninventfulNot inventful.unionalPertaining to a union.unionall(usually in the plural) A one-piece garment that is used as work clothes or as a uniform.uniovalRelating to, or derived from, a single ovum.uniparentalFrom or with only one parent.unipedalInvolving or using a single foot or leg.unipersonalComprising a single person.unipodalAlternative form of unipedal.uniporalHaving or consisting of a single pore.unipotentialSynonym of unipotent.uniprofessionalRelating to a single professionuniquantal(biology) Synonym of monoquantal.uniracialComposed of, or having a single race.unirational(mathematics) Of a variety V over a field K: being dominated by a rational variety, so that its function field K(V) lies in a pure transcendental field of finite type.unironicalNot ironical; without irony.uniseasonalRelating to a single seasonunisectoralPertaining to a single sector.unisegmentalRelating to or composed of a single segment.unisensualOf or relating to a single sense (means of perception).uniserial(zoology, botany) Having a single row or series; unbranched; uniseriate.unisexualOf an organism, having characteristics of a single sex (as opposed to hermaphrodites).unisonal(music) being in unisonunistructuralHaving, or based on, a single structureunisuturalUsing a single sutureunital(mathematics) (of an algebra) containing a multiplicative identity element (or unit), i.e. an element 1 with the property 1x=x1=x for all elements x of the algebra.unitemporal(music) Having a single tempo throughout.uniterminalHaving a single terminal.uniterritorialInvolving a single territory.unithiolThe sodium salt of 2,3-dimercapto-1-propanesulfonic acid; a chelating agent that forms complexes with various heavy metals.univectorialRelating to, or by means of a single vectoruniverbalConsisting of a single word.universalOf or pertaining to the universe.universefulEnough to fill a universe.universologicalOf or pertaining to universology.univocal(rhetoric) Having only one possible meaning.unjailTo release from jail; to set freeunjesuiticalNot jesuitical.unjewel(transitive) To remove the jewels from.unjoyfulNot joyful; unhappy; joyless; sad.unjudgementalAlternative spelling of unjudgmental.unjudgmentalNot judgmental.unkelObsolete form of uncle.unkennel(transitive) To scare out from a lair or a den.unkill(rare, transitive) To bring (something killed) back to life.unlabelSynonym of delabel.unlawful(law) Prohibited; not permitted by law (either civil or criminal law; see illegal)unlexicographicalNot lexicographical.unlinealNot lineal; not of a family line.unliturgicalNot liturgical.unlogical(rare) Not logical; illogicalunmagicalNot magical; without the aid of magic.unmagisterialNot magisterial.unmagneticalNot magnetical.unmail(transitive) To undo the act of mailing; to recover from the postal system before delivery.unmanagerialNot managerial.unmarshal(computing, transitive) To decode from a marshalled state.unmarshallAlternative form of unmarshal.unmasterfulNot masterful.unmaterialNot material; lacking tangible physical form.unmaternalNot maternal; not befitting a mother.unmathematicalNot mathematical.unmatrimonialNot matrimonial.unmeaningfulNot meaningful.unmechanicalNot mechanical.unmediaevalDated spelling of unmedieval.unmedicinalNot medicinal.unmenseful(UK, dialect, obsolete) unmannerly, indecent, disorderlyunmercifulnot showing mercyunmercurialNot mercurial.unmetallurgicalNot metallurgical.unmetaphoricalNot metaphorical.unmetaphysicalNot metaphysical.unmeteorologicalNot meteorological.unmethodicalNot methodical.unmethodologicalNot methodological.unmetricalNot written in meter.unmindfulLacking awareness; oblivious.unministerialNot ministerial.unmistrustfulNot mistrustful.unmonarchicalNot monarchical.unmonumentalNot monumental.unmoral(rare) Not applicable for moral consideration.unmorphologicalNot conforming to morphology.unmothball(transitive) To restore (a mothballed project or equipment) to active use.unmusicalNot musical: lacking in musical ability.unmythologicalNot mythological.unnail(transitive) To remove the nails from.unnationalNot national; going against a nation or its policies.unnonsensicalNot nonsensical.unnotefulOf no value or profit; useless; unprofitable; of no note; noteless.unnumericalNot numerical.unnutritionalProviding little or no nutrition; having little to no nutritional value; not nutritional; non-nourishing; unhealthy.unobjectionalNot objectional.unoccasionalNot occasional.unoccidentalNot occidental.unoecumenicalAlternative form of unecumenical.unofficialNot officially established.unofficinalNot officinal.unoil(transitive) To remove the oil (any sort) from.unontologicalNot ontological.unoratoricalNot oratorical.unorganicalNot organical.unoriginalLacking originality.unornamentalNot ornamental.unornithologicalNot ornithological.unorthogonalNot orthogonalunorthographicalNot orthographical; not conforming to rules of orthography.unpannel(obsolete, transitive) To unsaddle; to remove the saddle from.unparadoxicalNot paradoxical.unparasiticalNot parasitical.unparcel(transitive) To unpack from a parcel.unparentalNot parental; not befitting a parent.unparochialNot parochial.unparsonicalNot parsonical.unpartialImpartial, unbiased.unpaternalNot paternal; not befitting a father.unpatriarchalNot patriarchal.unpatriarchialNot patriarchial.unpeacefulNot peaceful, the opposite of peaceful.unpedagogicalNot pedagogical.unpedestal(transitive) To bring down from a (figurative) pedestal; to lower the reputation or importance of.unpeel(transitive) To remove the peel from something; to peel.unperiodicalNot periodical.unperpetual(rare) Not perpetual; impermanent.unpestilentialNot pestilential.unpetal(transitive) To strip the petals from (a flower).unpharisaicalNot pharisaical.unphenomenalNot phenomenal.unphilanthropicalNot philanthropical.unphilologicalNot consistent with historical linguistics.unphilosophicalnot philosophicalunphrenologicalNot phrenological.unphysiologicalNot related to, or governed by physiologyunpictorialNot pictorial.unpiraticalNot piratical.unpitiful(archaic) Without pity; pitiless.unplentifulNot plentiful; few or sparse.unpolemicalNot polemical; undisputatious.unpoliticalNot politicalunpontificalNot pontifical.unpractical(rare) Not practical, impracticalunpragmaticalNot pragmatical.unpraisefulNot praiseful.unprayerfulNot prayerful.unprecedental(obsolete) unprecedentedunprecedentialNot precedential.unpreferentialNot preferential.unprejudicialNot prejudicial.unprelaticalNot prelatical.unpresidentialInappropriate for a president.unpreternaturalNot preternatural.unproblematicalAlternative form of unproblematic.unproceduralNot procedural; not following established procedure.unprofessionalUnbecoming of a professional; hence inappropriate in the workplace.unprofessorialNot professorial; not befitting a professor.unprogressionalNot progressional.unpropheticalNot prophetical.unproportionalSynonym of disproportionate.unprototypicalNot prototypicalunproverbialNot proverbial.unprovidentialNot providential.unprovincialNot provincial.unprudential(obsolete) imprudentunpsychologicalNot psychological.unpuritanicalNot puritanical.unpurposefulNot purposeful, unintended.unrabbinicalNot rabbinical.unrail(transitive) To remove the rail or railings from.unrational(rare) Not rational; irrational.unravelTo cause (something) to no longer be ravelled or tangled; to disentangle, to untangle.unrealNot real or substantial; having no actual presence in reality; lacking the characteristics of reality.unreciprocalNot reciprocal.unreel(transitive) To remove or uncoil from a reel.unrefreshfulNot refreshful.unregalNot regal; particularly, not appropriate for a royal.unregardfulNot regardful.unregimentalNot regimental.unregretfulNot regretful; having no regrets.unrelationalNot relational.unremorsefulnot remorsefulunrepealTo reverse a repeal; to restore a ruling or law that was repealed.unreposefulNot reposeful.unreproachfulNot reproachful.unrequitalThe quality of being unrequited.unresentfulNot resentful; without resentment.unresourcefulNot resourceful.unrespectfulNot respectful.unresultfulNot resultful.unrevengefulNot revengeful.unreverentialNot reverential.unreversalThe process of unreversing something.unrhetoricalNot rhetoricalunrhythmicalNot rhythmical.unroll(transitive) To straighten something that has been rolled, twisted or curled.unroyalNot royal; in particular, not appropriate for a royal.unruleful(rare) Not according to rule; irregular.unsabbaticalNot pertaining to or characteristic of the sabbath.unsacerdotalNot sacerdotal.unsacramentalNot sacramental.unsacrificialNot sacrificial.unsartorialNot sartorial.unsatiricalNot satirical.unscepticalAlternative spelling of unskeptical.unschismaticalNot schismatical.unscholastical(archaic) Synonym of unscholastic.unschool(transitive) To educate (a child) in an alternative to the regular school method, focused on the learner-chosen activities as a primary means for learning.unscientificalNot scientifical.unscripturalNot scriptural.unsculpturalNot sculptural.unseal(transitive) To break the seal of (something) in order to open it.unseasonalNot normal, appropriate, or expected for the season or time of year.unsecretarialNot secretarial; not befitting a secretary.unsectionalNot sectional.unseel(obsolete) To unstitch the seeled eyes of a hawk.unsell(transitive) To cause to appear less attractive to consumers or adherents.unsenatorialNot senatorial.unsensationalNot sensationalunsentimentalNot sentimental.unsepulchralNot sepulchral.unsequentialNot sequential; out of sequence.unshawl(intransitive) To remove one's shawl.unshell(transitive) To strip the shell from; to take out of the shell; to hatch.unskepticalNot skeptical; having an open mind.unskilful(British) Alternative spelling of unskillful.unskillFoolish conduct; wrongdoing.unsmall(nonstandard or humorous) Not small; large.unsnarlTo remove or undo a snarl or tangle.unsociologicalNot sociological.unsoil(transitive) To remove dirt or stains from.unsophisticalNot sophistical.unsorrowfulNot sorrowful.unsoulTo deprive of soul, spirit, or principle.unspatialNot spatial; not extending into physical space.unspectralNot spectral or ghostly.unspell(transitive) To break the power of (a spell); to release (a person) from the influence of a spell; to disenchant.unspill(transitive) Hypothetically, to undo the spilling of.unspiritualNot spiritual; lacking metaphysical significance.unspoil(transitive) To make less spoiled.unspoolTo remove (film, cotton, etc.) from a spool; unwind.unstall(transitive) To release from a stalled state.unstatisticalNot statistical.unsteal(transitive) To reverse the process of stealing; to return, or never to have taken, something stolen.unsteel(transitive) To disarm; to soften.unstereotypicalNot stereotypical.unstillNot still; changing or in motion.unstressfulNot stressful.unstructuralNot structural.unsubstantial(archaic) Insubstantial.unsuccessfulFailed, not successful.unsuperficialNot superficial.unsupernaturalNot supernatural.unsuspectfulNot suspectful.unsuspensefulLacking excitement; anticlimactic; not suspenseful.unswell(ambitransitive) To cease from swelling; to become unswollenunswirl(transitive) To resolve or restraighten (something previously swirled).unswivel(transitive) To release or remove by swivelling; to swivel back again.unsymbolicalNot symbolical.unsymmetricalNot symmetrical.unsyntacticalHaving incorrect syntax.unsystematicalNot systematical.untangentialNot tangential.untautologicalNot tautological.untechnicalNot technical.unteleologicalNot teleological; not directed toward a set purpose or end.untell(transitive) To withdraw or retract (something told); to never have told.untemperamentalNot temperamental.unterrestrialNot terrestrial.unterritorialNot territorial.untextualNot textual; not characteristic of a text or written work.unthankfulNot thankful; ungrateful.untheatricalNot theatrical; mundane; not staged.unthematicalNot thematical.untheologicalNot theological.untheoreticalNot theoretical.untherapeuticalNot therapeutical.unthoughtfulInconsiderate of the feelings of others.untilUp to the time of (something happening); pending.untillObsolete spelling of until.untopicalNot topical; atopical.untopographicalNot topographical.untraditionalNot traditional; departing from tradition.untrammel(transitive) To free or release from obstacles or hindrances.untranscendentalnontranscendentaluntranslationalNot translationaluntrill(transitive, phonetics) To remove the trill from.untruthfulNot giving the truth; providing untrue facts; lying.untunefulNot tuneful; unmusical, inharmonious.untwirlTo untwist; to undo.untypicalnot typical, atypical, unusualuntyrannicalNot tyrannical.ununusual(humorous, rare) Not unusual.unusualNot usual, out of the ordinary.unusuallObsolete form of unusual.unvailObsolete spelling of unveil.unveil(transitive) To remove a veil from; to uncover; to reveal something hidden.unveridicalNot veridical.unvessel(rare, transitive, obsolete) To cause to be no longer a vessel; to empty.unvitalLacking vitality.unvolitionalNot volitional; not intentional.unwall(transitive) To unblock or reopen (something previously walled up).unwealObsolete form of unwell.unwellNot in good health; not feeling well; somewhat illunwheel(transitive) To remove the wheel or wheels from.unwhimsicalNot whimsical.unwillLack or absence of will; willlessness; undesire.unwillfulAlternative form of unwilful.unwonderfulNot wonderful; unpleasant or sordid.unworshipfulNot worshipful.upboil(intransitive, poetic) To boil upward.upcall(programming) A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code.upcoil(rare) To coil up; to make into a coil, or to be made into a coil.upcrawl(intransitive, poetic, archaic) To crawl upward.upcurl(transitive, rare) To curl up.upfill(transitive, now chiefly poetic) To fill up.upfuloptimistic; uplifting; positiveupfurl(intransitive, poetic) To furl upward.uphaulTo haul upwards.upheaval(geology) The process of being heaved upward, especially the raising of part of the earth's crust.uphillUp a slope, towards higher ground.uphurl(transitive) To hurl or cast up.uplevel(marketing) Having greater capabilities or a higher version number.uppertailThe dorsal part of the tail of a birdupraisalThe act of something being upraised.uprisal(archaic) An uprising.uproll(transitive) To roll up.uprootalThe act or process of uprooting; the state of being uprooted.upsell(transitive, intransitive) To persuade a customer to buy more items, or more expensive items, than they had intended.upsettalThe act of something being upset or overturned.upskill(transitive) To teach (someone) additional skills, especially as an alternative to redundancy (firing).upsteal(poetic, intransitive) To steal or creep upward.upswellA rising swell.uptill(obsolete, rare) up to, or againstuptwirl(ambitransitive, poetic) To twist upward.upwell(intransitive) To well up; surge upwards.upwheel(intransitive, poetic) To wheel upward.upwhirl(intransitive) To rise upward in a whirl.urachalRelating to the urachus.urachovesical(anatomy) Relating to the urachus and the urinary bladder.uracil(organic chemistry) One of the bases of RNA, pairing with adenine.uracyl(organic chemistry, especially in combination) A univalent radical derived from uracil.uranographicalRelating to uranography.uranologicalOf or pertaining to uranology.uranometricalAlternative form of uranometric.uranotilArchaic form of uranotile.uranyl(chemistry) The divalent radical UO₂²⁺, conveniently regarded as a residue of many uranium compounds.urapidil(pharmacology) A sympatholytic antihypertensive drug.urbanologicalRelating to urbanology.urbarialRelating to an urbarium.urbicidalInimical to the vitality of a city.urealOf or pertaining to urea.ureaplasmalRelating to ureaplasmasuredialRelating to the uredium.uredinialRelating to the uredinium.uredinologicalRelating to uredinology.uredosoralRelating to the uredosorus.uretal(medicine) Of or pertaining to the ureter.ureterocervical(anatomy) Relating to the ureter and the cervix.ureterogenital(anatomy) Relating to the ureter and the genitals.ureteroileal(anatomy) Relating to the ureter and the ileumureteroileourethral(anatomy) Relating to, or communicating between the ureter, ileum and urethra.ureterointestinal(anatomy) Relating to the ureter and the intestines.ureterorenalOf or relating to the ureter and kidneys.ureterovaginal(anatomy) Relating to the ureter and vagina.ureterovesical(anatomy) Relating to, or joining, the ureter and the bladder.urethral(anatomy) Pertaining to the urethra.urethrogenitalRelating to the urethra an the genitalsurethroperinealRelating to the urethra and perineum.urethroperineoscrotal(anatomy) Relating to the urethra, perineum, and scrotum.urethrorectal(medicine) Pertaining to the urethra and rectum.urethroscopicalAlternative form of urethroscopic.urethrosexual(anatomy) Relating to the urethra and the sex organs.urethrovaginal(anatomy) Relating to the urethra and vagina.urethrovesical(anatomy) Relating to the urethra and the urinary bladderurialA bearded reddish sheep, subspecies of Ovis orientalis (including Ovis orientalis vignei), previously classified as Ovis vignei, being endemic to southern Asia and believed to be a wild ancestor of domestic sheep.uridinyl(organic chemistry, especially in combination, uncountable) A univalent radical derived from uridine.uridyl(organic chemistry, especially in combination) A univalent radical derived from the ribose part of uridine by loss of a hydroxyl groupuridylyl(organic chemistry, especially in combination) The univalent radical derived from uridylic acidurinalA device or fixture used for urination, particularly:urinalyticalRelating to urinalysis.urinatorial(zoology) divingurinosexual(anatomy) Having urinary and sexual functions, as for example the urethra.urnal(rare or obsolete) Pertaining to urns.urnfulAs much as an urn will hold.urochordal(zoology) Of or pertaining to the Urochorda.urodermalEither of a pair of thin dermal bones, derived from scales, at the rear of the caudal fin of some fishurodynamicalAlternative form of urodynamic.uroepithelialRelating to the uroepithelium.urofacialAffecting the urinary tract and the face; applied to Ochoa syndrome.urogenital(medicine) Of, or relating to the urinary and the genital systems.urogonadalRelating to the urinary system and the gonadsurogynaecologicalAlternative form of urogynecological.urogynecologicalRelating to urogynecology.urohyal(anatomy) Of or pertaining to one or more median and posterior elements in the hyoid arch of fishes.urologicalOf or pertaining to urology.uronyl(biochemistry, especially in combination) A univalent radical derived from a uronic aciduroplacentalMisspelling of uteroplacental.uropodal(zoology) Of or pertaining to a uropod.uropygial(ornithology) Of or pertaining to the uropygium; on the rump.uropygicalMisspelling of uropygial.urorectal(anatomy) Relating to, or connecting, the urinary tract and the rectumurosacral(zoology, anatomy, archaic) Of or pertaining to both caudal and sacral parts of the vertebral column.urosomalRelating to a urosomeurostegalRelating to the urostege.urotheialMisspelling of urothelial.urothelialRelating to the urotheliumurovaginal(anatomy) urinary and vaginaluroxatralSynonym of alfuzosin.ursalOf or pertaining to a bear or bears.ursodiolUrsodeoxycholic acid.urstromtal(geology) A broad glacial valley formed during an ice age by meltwater flowing roughly parallel to the ice margin.urtextualOf or relating to an urtext.urtical(archaic) resembling, or relate to, nettles.urticarialRelating to urticaria.urushiol(organic chemistry) An oil found in plants of the family Anacardiaceae, causing an allergic skin rash on contact; consists of a variable mixture of several related organic compounds.usefulHaving a practical or beneficial use.usefullObsolete form of useful.ustoll(soil science) A kind of mollisol found in areas with an ustic moisture regime.usualMost commonly occurring; typical.usuallObsolete spelling of usual.usurialPertaining to or constituting usury.utensilAn instrument or device for domestic use, especially in the kitchen.uteral(very rare) Synonym of uterine.uteroabdominalRelating to the uterus and abdomen.uterocervicalRelating to the uterus and cervix.uterofetalRelating to the uterus and enclosed fetus of a pregnant womanuterointestinalOf or relating to the uterus and intestines.uteroperitonealRelating to the uterus and peritoneum.uteroplacental(anatomy) Of or pertaining to the uterus and the placenta.uterosacral(anatomy) Relating to the uterus and sacrum.uterotubalRelating to, or connecting, the uterus and the Fallopian tubes.uterovaginal(anatomy) Pertaining to the uterus and vagina, or the connection between them.uteroventralRelating to the uterus and abdomen.uterovesicalRelating to the uterus and urinary bladder.utibapril(pharmacology) An ACE inhibitor drug.util(countable, economics) A hypothetical unit measuring satisfaction.utonal(music) Exhibiting or relating to a utonality.utopical(obsolete) Utopian; ideal.utriculofugalThat is displaced away from the utricleutriculopetalThat is displaced towards the utricleuvarinol(organic chemistry) A cytotoxic tribenzylated flavanone isolated from UvariauvealOf or pertaining to the uveauveoscleralRelating to, or using uveal sclerauvulopalatalRelating to the uvula and the palateuxorial(not comparable) Of or pertaining to a wife, or her genes or relatives.uxoricidalOf or pertaining to uxoricide.uxorilocal(anthropology) Matrilocal.