Browse Other U Word Lengths
13-Letter U Words by Ending Letter
All 2,202 13-Letter Words Starting With U
uberveillance(slang) An omnipresent form of round-the-clock surveillance of people via widespread electronic devices, and especially computer chips embedded into human bodies.ubidecarenone(biochemistry) ubiquinoneubiquitinable(biochemistry) That can be ubiquitinatedubiquitinatedsimple past and past participle of ubiquitinateubiquitinizedSynonym of ubiquitinated.ubiquitylatedsimple past and past participle of ubiquitylateuglificationsplural of uglificationulcerogenesis(pathology) The generation of ulcers.ulnotrochlear(anatomy) Relating to, or connecting the ulna and a trochleaulotrichaleanRelating to algae of the order Ulotrichales.ultrabithorax(genetics) A particular homeobox protein and associated gene.ultracautiousExtremely cautiousultracellularDescribing ultramicroscopic cellular featuresultracharming(informal) Very charming; delightful.ultracolossal(rare) Exceedingly colossal; of utmost colossalness.ultracriticalSynonym of hypercritical.ultracryotomeAn ultramicrotome designed to work at low temperaturesultracryotomyThe use of an ultramicrotome in the preparation of very thin, frozen samples of biological tissueultradelicateExtremely delicate.ultradespoticExtremely despotic.ultradetailedHaving a very high level of detail.ultradiscreetVery discreet.ultradiscrete(mathematics) Describing any discrete system whose dependent variables also take discrete valuesultradistanceA very great distance.ultradistinctExtremely distinctultradogmaticextremely dogmaticultraeligibleextremely eligible for marriageultraelliptic(mathematics) Being or relating to a kind of hyperelliptic line integral involving a polynomial of degree 5 or 6.ultrafabulous(informal) Wholly fabulous; wonderful.ultrafamiliarextremely familiar; particularly familiarultrafeminineHighly feminine.ultrafilteredfiltered using ultrafiltrationultrafiltrateThe filtrate produced by ultrafiltrationultrafinitism(mathematics, philosophy) A form of finitism that is even more extreme in that it denies those constructs whose construction cannot be physically performed (such as a number that no human could have time to calculate).ultrafinitist(mathematics, philosophy) A proponent of ultrafinitism.ultraflexibleExtremely flexible.ultrafunction(mathematics) A type of generalized non-Archimedean functionultraharmonic(physics) A harmonic whose frequency is many times that of the fundamentalultraintimateextremely intimateultrainvolvedextremely involvedultralocality(physics) The state of being ultralocalultraloyalistOne who has strong loyalist beliefs.ultraluminousVery luminousultramagnetic(physics, astronomy) Extremely magnetic (used especially to describe magnetars)ultramarathonA running race over a distance longer than 42.195 km (26 miles 385 yard), the length of a standard marathon.ultramilitantextremely militantultramoderateOf very moderate political views.ultramontanesplural of ultramontaneultramutation(biology) A very high level of mutationultranationalultranationalistultraorthodoxVery orthodox, chiefly among Jewish sects.ultrapacifismAlternative spelling of ultra-pacifism.ultraparallel(geometry, of lines in hyperbolic geometry) Sharing a common perpendicular.ultraparanoid(informal) Highly paranoid or suspicious.ultrapersonalExtremely personalultraphysicalextremely physical.ultraplanktonnanoplankton and picoplankton considered as a groupultraportableExtremely portableultrapotassic(petrology, of mafic or ultramafic rock) Having a very high potassium content.ultrapowerful(rare) Extremely or exceedingly powerful; having, or capable of exerting great power, potency, or influence.ultraprofoundextremely profoundultrapurifiedMade ultrapureultrararefiedVery highly rarefied.ultrarationalExtremely rational.ultrarelaxingextremely relaxingultrareliableExtremely reliable.ultrarightismultraright beliefs generallyultrarightistA person of ultraright politics.ultraromanticExtremely romantic.ultraroyalismThe political beliefs of the ultraroyalists.ultraroyalistA person or group that favours monarchy and opposes liberal, republican, and democrat ideas; a person or group that has extremely royalist views.ultrasanguineExtremely sanguine.ultrascaffold(genetics) A very large genetic scaffoldultrasecurityVery high security.ultrasimplify(transitive) To simplify to a great extent.ultrasonicate(transitive) To subject to ultrasonication.ultrasonogramAn image produced by ultrasonography.ultrasonologyThe study of ultrasound and its applicationsultraspecific(biology) Relating to taxa at greater than species levelultraspectral(physics) Describing extremely high-definition spectral imaging (beyond hyperspectral)ultraspinningultrafast spinningultrastronglyIn an ultrastrong mannerultrasynapticSynonym of extrasynaptic.ultratalentedExtremely talented.ultratelluricComing from outside the Earth; extraterrestrial.ultratropicalSituated beyond, or outside of, the tropics.ultravigilantVery vigilant.ultraviolenceUnnecessary, unprovoked (usually brutal) violence; violent acts simply for the thrill and entertainment of it.ultravirilityThe quality of being ultravirile.ultravirtuousextremely virtuousultrawidebandDescribing a radio technology that uses a large portion of the radio spectrumultrazodiacal(archaic, astronomy) Outside the zodiac; being in that part of the skies that is more than eight degrees from the ecliptic.umbelliferone(chemistry) A yellowish-white natural product of the coumarin family, occurring in such plants as carrot and coriander.umbelliferous(botany) Bearing umbels.umbelliprenin(organic chemistry) The chromenone derivative 7-[(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trienoxy]chromen-2-oneumbilicationsplural of umbilicationumbonulomorphAny bryozoan of the infraorder Umbonulomorphaumbraculiform(dated, botany) Having the form of something that offers shade, such as a treetop or especially an umbrella.umbriferouslySo as to cast a shadow.unabashednessThe state or condition of being unabashed.unabbreviableThat cannot be abbreviated.unabbreviatedNot abbreviatedunabidingnessThe quality of being unabiding.unabolishablenot abolishableunacceleratedNot accelerated.unaccentuatedNot accentuated.unaccessionedNot accessioned.unacclimationThe condition of being unacclimated, or unused to something.unaccompaniedtravelling without companionsunaccomplishtObsolete spelling of unaccomplished.unaccountableInexplicable; unable to be accounted for or explained.unaccountablyNot able to be explained logically. Without being accountable, or reasonable.unaccumulableNot accumulable.unaccumulatedWhich has not accumulated.unacknowledge(rare) To not acknowledge, or to rescind acknowledgement of.unacquiescentNot acquiescent.unacquisitiveNot acquisitive.unacquittableThat cannot be acquitted.unacrimoniousNot acrimonious.unactivatableIncapable of being activated.unadaptednessThe state or quality of not being adapted.unaddressableNot addressable.unadjudicatedNot adjudicated.unadornednessThe state or quality of being unadorned.unadulterableThat cannot be adulterated.unadulteratedPure; not mixed or adulterated with anything.unadvancementFailure to advance.unadventuringUnadventurous.unadventurousNot adventurousunadversarialNot adversarial.unadvertisingThat does not advertise.unadvisednessThe quality of being inadvisable.unaestheticalNot aesthetical.unaffectionedNot affectioned.unaffiliationLack of affiliation; the condition of being unaffiliated.unaffiliativeNot affiliativeunaffrontableNot affrontable.unaggrandizedNot aggrandized.unaggravatingNot aggravating.unalcoholizedNot alcoholized.unalgebraicalNot algebraical.unalgorithmicNot algorithmic.unallegoricalNot allegorical.unalliteratedNot alliterated.unalternatingNot alternating.unalternative(rare) Not alternative; mainstream.unamalgamablenot amalgamableunamalgamatednot amalgamatedunambiguouslyIn a manner that is not ambiguous; leaving no doubt; clearlyunambitiouslyIn an unambitious manner.unambivalenceThe quality of being unambivalent.unamelioratedNot ameliorated.unamenabilityThe quality of being unamenable.unamiablenessThe quality of being unamiable.unamortisableAlternative form of unamortizable.unamortizableNot amortizable.unamplifiableThat cannot be amplifiedunanalogouslyIn an unanalogous manner.unangelicallyIn an unangelic manner.unanimitarianOf or pertaining to unanimity.unanimousness(rare) The state or condition of being unanimous.unannihilableNot annihilable.unannihilatedNot annihilated.unannouncedlyIn a manner that is not announcedunantagonizedNot antagonized.unanticipatedNot anticipated.unanxiousnessThe state or quality of being unanxious.unapocryphallObsolete spelling of unapocryphal.unapologizingMaking no apology.unapostatizedNot apostatized.unapostolicalSynonym of unapostolic.unappealinglyIn an unappealing manner.unapperceivedNot apperceived.unappointableNot appointable.unapportionedNot apportioned.unappreciableToo small or insignificant to be noticed.unappreciablyIn an unappreciable manner.unappreciatedNot deemed to have any value, valueless, worthless, not appreciated.unapprehendedNot apprehended.unapprenticedNot apprenticed.unapproachingNot approaching.unappropriate(transitive) To take from private possession; to restore to the possession or right of all.unapprovinglyIn an unapproving manner.unarbitrarilyIn an unarbitrary manner.unarguabilityThe quality of being unarguable.unarpeggiatedNot arpeggiated.unarraignableNot arraignable.unarrangeableNot arrangeable.unarticulableinarticulableunarticulatedNot articulated.unascertainedNot ascertained; undetermined; unknown.unashamednessThe state or quality of not being ashamed.unassaultableNot assaultable.unassertivelyIn an unassertive way.unassibilatedShowing no indication of assibilation; not assibilatedunassimilableinassimilableunassimilatedNot assimilated.unassociativeNot associative.unassuageable(usually of an emotion) Impossible to assuageunassurednessQuality or state of not being assured.unastonishingNot astonishing.unatmosphericNot atmospheric.unattemptableThat cannot be attempted.unattentivelySynonym of inattentively.unattractableNot attractable.unattributiveNot attributive.unattunednessThe quality of being unattuned.unaugmentableThat cannot be augmented.unaunswerableObsolete spelling of unanswerable.unauthentical(archaic) Inauthentic.unautographedNot autographed.unautomatableUnable to be automated; not automatable.unaxiomatizedNot axiomatized.unbalanceableNot capable of being balanced.unbalancement(rare) An unbalancing.unbalustradedWithout a balustrade.unbarricadoed(archaic) Not obstructed by barricades.unbashfulnessThe quality of being unbashful.unbastardizedNot bastardized.unbearabilityThe quality of being unbearable.unbeatabilityThe quality of being unbeatable, undefeatability.unbeautifullyIn a manner that is unbeautiful (ugly or inelegant).unbefittinglyIn an unbefitting manner.unbefriending(poetic) unfriendly; hostileunbeginninglyWithout having a beginning.unbeglamouredNot beglamoured.unbeguilinglyIn an unbeguiling manner.unbeleagueredNot beleaguered.unbelievinglyIn an unbelieving way.unbelligerentNot belligerent.unbenchmarkedNot having been benchmarked.unbendingnessThe quality of being unbending.unbenefitableNot benefitable.unbenefittingAlternative form of unbenefiting.unbenevolenceLack of benevolence; malevolenceunbenignantlyIn an unbenignant manner.unbeseemingly(archaic) In an unbeseeming manner.unbespatteredNot bespattered.unbesprinkledNot besprinkled.unbewilderingNot bewildering.unbiassednessAlternative form of unbiasedness.unbioturbatedNot bioturbatedunblacklistedNot blacklisted.unblackmailedNot blackmailed.unblameworthyNot blameworthy.unblanchinglyIn an unblanching way; without blanching.unblasphemousNot blasphemous.unblemishableThat cannot be blemished.unblemishedlyIn an unblemished way; without blemishes.unblenchinglyIn an unblenching manner.unblessednessThe state or condition of being unblessed.unblindfoldedsimple past and past participle of unblindfoldunbookishnessThe quality of being unbookish.unboundednessThe condition of being unboundedunbountifullyIn an unbountiful manner.unbowdlerizedNot bowdlerized.unbrainwashedsimple past and past participle of unbrainwashunbreakfastedWithout having eaten breakfast.unbridlednessThe quality of being unbridled.unbroadcastedNot broadcasted.unbrotherlikeNot brotherlike.unburthensomeObsolete spelling of unburdensome.unbutcherlikeNot butcherlike.uncaffeinatedNot caffeinated.uncalculatingNot calculating; not conniving; innocent.uncalumniatedNot calumniated.uncamouflagedNot camouflaged.uncamphoratedNot camphorated.uncancellableThat cannot be cancelled.uncanonicallyIn an uncanonical way.uncapablenessThe state or quality of not being capable.uncapacitatedNot capacitateduncaparisonedNot caparisoned.uncapitalisedsimple past and past participle of uncapitaliseuncapitalizedNot capitalized.uncapitulatedNot capitulated.uncaptivatingNot captivating.uncaramelizedNot caramelized.uncarburettedNot carburetted.uncarefulnessThe quality of being uncareful.uncaricaturedNot caricatured.uncarnivorousNot carnivorous.uncarpenteredNot carpentered.uncastellatedNot castellated.uncastratableIncapable of being castrated.uncatabolisedAlternative form of uncatabolized.uncatabolizedNot catabolizeduncataclysmicNot cataclysmic.uncategoricalNot categorical.uncategorisedsimple past and past participle of uncategoriseuncategorizedNot having been sorted into a category.uncatholiciseAlternative form of uncatholicize.uncatholicityThe quality of being uncatholic.uncatholicizeSynonym of decatholicize.unceasingnessThe quality of being unceasing.uncelebratingNot celebrating.uncelebrationA memorial of something bad.uncentralisedAlternative spelling of uncentralized.uncentralizedNot centralized.uncentrednessAlternative form of uncenteredness.uncentrifugedNot having been centrifuged.unceremoniousNot ceremonious.uncertainnessThe quality of being uncertain.uncertaintiesplural of uncertaintyuncertifiableNot certifiable.uncessantnessObsolete form of incessantness.unchallengingNot challenging; easy to do.unchangednessThe quality of being unchanged.uncharacteredNot marked with text characters.uncharismaticNot charismatic; lacking charisma.unchartednessThe quality of being uncharted.unchauffeuredNot driven by a chauffeur.uncherishableNot cherishable; unable to be cherished.unchewability(rare) The quality or degree of being unchewable; the inability to be chewed (well).unchloridizedNot chloridized.unchlorinatedNot chlorinatedunchondrifiedNot chondrifiedunchristianlyIn an unchristian way.unchristmassyAlternative form of un-Christmassy.uncircumcisedNot circumcised, intact.uncircumspectNot circumspect.uncitizenlikeNot citizenlike.uncivilisableAlternative form of uncivilizable.uncivilizableIncapable of being civilized.uncivilizedlyIn an uncivilized mannerunclarifiableNot able to be made clear.unclassicallyIn an unclassical manner.uncleanenesseObsolete spelling of uncleanness.uncleanlinessThe state of being unclean or dirty.unclothednessThe state or condition of not wearing clothesuncloudednessThe quality of not being clouded.unclusterableNot clusterableuncoagulatingNot coagulating.uncockneyfiedNot cockneyfied.uncognoscibleSynonym of incognoscible.uncollapsibleNot collapsible.uncollectableAlternative form of uncollectible.uncollectedlyIn an uncollected or absent-minded manner.uncollectibleThat cannot be collected.uncollegiallyIn an uncollegial manner.uncolorednessThe quality of being uncolored.uncolourfullyAlternative spelling of uncolorfully.uncombability(of hair, rare) The condition of being uncombable; the extent to which something is uncombable.uncombativelyIn an uncombative manner.uncombustibleSynonym of incombustible.uncomfortableNot comfortable; causing discomfort.uncomfortablyIn an uncomfortable manner.uncommandableNot commandable; unresponsive to commands.uncommendableNot commendable.uncommendablyIn an uncommendable manner.uncommentableThat cannot productively or meaningfully be commented on.uncommittableIncapable of being committed.uncommittedlyIn an uncommitted manner.uncommodifiedNot commodified.uncommonplaceNot commonplace.uncommunisticNot communistic.uncommutativeNot commutative.uncomodulatedNot comodulateduncompahgrite(mineralogy) A coarse-grained melilitic rock containing more than 10% pyroxene.uncompaniable(obsolete) uncompanionable; unsociableuncompanionedWithout companions; alone, friendless.uncompassableNot compassable.uncompellableThat cannot be compelled.uncompendiousNot compendious.uncompensableNot compensable.uncompensatedNot compensated; having no compensation.uncompetitiveThat does not involve competition; not competitiveuncomplainingWithout complaint; patient and tolerant.uncomplaisantNot complaisant.uncompletableThat cannot be completed.uncomplicatedSimple; not complicated; basic.uncompostableNot compostable.uncompressionAct or process of uncompressing.uncompromisedNot compromised.uncompromizedAlternative form of uncompromised.unconcatenateNot concatenate.unconcealableThat cannot be concealed.unconcealablySuch that it cannot be concealed.unconcealmentThe state of being unconcealed; public visibility or common knowledge.unconceitedlyIn an unconceited manner.unconceivableThat cannot be conceived; unimaginable; inconceivable.unconceivablySynonym of inconceivably.unconcernedlyIn an unconcerned manner.unconcernment(obsolete) Lack of concern; unconcern.unconcertedlyIn an unconcerted manner.unconciliableNot conciliable.unconciliatedNot conciliated.unconcludableAlternative form of inconcludable.unconcretizedNot concretized.uncondemnableNot condemnable.uncondensableThat cannot (readily) be condensedunconditionalAbsolute; without conditions, limitations, reservations or qualifications.unconditionedWithout conditions; absolute.unconfessableThat cannot be confessed.unconfidentlyIn an unconfident manner; without confidence.unconfinementThe condition of being unconfinedunconfirmableNot confirmable.unconfirmablyIn a way that cannot be confirmed.unconfiscableNot confiscable.unconfiscatedNot confiscated.unconflictingNot conflicting.unconformableNot conformable.unconformablyIn an unconformable manner.unconformedlyIn an unconformed manner.uncongealableThat cannot be congealed.uncongeniallyIn an uncongenial manner.uncongregatedNot having congregated.unconjecturedNot conjectured.unconjunctiveThat cannot be joined together.unconnectableNot connectable; that cannot be connected.unconnectedlyIn an unconnected way.unconquerableNot conquerable; indomitable.unconquerablyIn an unconquerable manner.unconsciencedLacking a conscience.unconsciouslyIn an unconscious manner; unknowinglyunconscriptedNot conscripted.unconsecratedNot consecrated.unconsecutiveNot consecutiveunconservableNot conservable.unconsiderateObsolete form of inconsiderate.unconsideringWithout consideration; mindless.unconsignableNot consignable.unconsistency(nonstandard) inconsistencyunconsociatedNot consociated.unconsolatoryNot consolatory.unconsolidateSynonym of deconsolidate.unconsolinglyIn an unconsoling manner.unconsonantlyIn an unconsonant manner.unconspicuous(obsolete) Not conspicuous; inconspicuousunconstipatedNot constipated.unconstitutedNot constituted.unconstrainednot constrained.unconstrictedNot constrictedunconstruableNot construable.unconstructedNot (yet) constructed.unconsultableNot consultable.unconsummatedNot consummatedunconsumptiveNot consumptive.uncontactableNot contactable, not having a means by which contact can be made.uncontainableThat cannot be contained.uncontainablyIn an uncontainable way.uncontaminate(now rare) Uncontaminated.uncontentableNot contentable.uncontentedlyIn an uncontented manner.uncontentiousNot contentious.uncontestableNot contestable.uncontestablyIn an uncontestable way.uncontestedlyIn an uncontested way; without argument.uncontinentalNot continental.uncontractileNot contractileuncontractualNot contractual.uncontrastingNot contrasting.uncontributedNot contributed.uncontrivableThat cannot be contrived.uncontrivedlyIn an uncontrived manner.uncontrollingNot controlling.uncontroulledObsolete form of uncontrolled.unconvergence(rare) A failure to converge.unconversableNot disposed to converse freely; reserved; unsociable.unconvertableAlternative form of unconvertible.unconvertibleThat cannot be converted.unconvictableNot convictable.unconvincedlyIn an unconvinced way.unconvincibleIncapable of being convinced.uncooperatingNot cooperating; uncooperative.uncooperationLack of cooperation; failure to cooperate.uncooperativeNot cooperative.uncoordinated(of a group or body etc.) Having components that act independently of each other.uncopyrightedNot under copyright.uncorrectableUnable to be corrected.uncorrectibleAlternative form of uncorrectable.uncorrectness(nonstandard) The state or condition of being uncorrect; incorrectness.uncorrelation(uncountable) The condition of being uncorrelateduncorruptableMisspelling of incorruptible.uncorruptedlyIn an uncorrupted manner.uncorruptibleSynonym of incorruptible.uncorruptiblySynonym of incorruptibly.uncorruptnessAbsence of corruption; honesty; integrity.uncounselableAlternative form of uncounsellable.uncounterableThat cannot be countered.uncounterfeitNot counterfeit; genuine.uncountrifiedNot countrified.uncourteouslyIn a way that is not courteous. ImpolitelyuncourtlinessLack of courtlinessuncoverednessThe state or condition of being uncovered.uncovertebral(anatomy) Relating to the uncus and vertebrae; applied to Luschka's joints.uncrashworthyNot crashworthy.uncreatednessThe quality or state of being uncreated.uncrenellatedWithout crenellations.uncricketlikeOf behaviour, not conforming to the typical sportsmanship displayed in the game of cricket.uncriticisingAlternative form of uncriticizing.uncriticizingThat does not criticize.uncritiquableNot critiquable.uncrosslinkedNot crosslinkeduncrowdednessQuality of being uncrowded.uncrypticallyIn a way that is not cryptic; straightforwardly; plainly.uncrystallineNot crystalline.uncrystalliseAlternative form of uncrystallize.uncrystallizeTo cease to be crystallized; to undo crystallization, as to melt or dissolve.uncultivationAbsence of cultivation; failure to cultivate.unculturalityThe quality of being uncultural.uncuriousnessThe quality of being uncurious.uncurtailablenot curtailableuncustomarilyIn a way that is not customary.undauntednessThe state or condition of being undaunted.undeathlinessThe state or condition of being undeathly; immortality.undebilitatedNot debilitatedundecaacetate(organic chemistry) Any compound that has eleven acetate groups (typically of a disaccharide)undecahydrate(chemistry) A hydrate whose solid contains eleven molecules of water of crystallization per molecule, or per unit cellundecahydroxy(chemistry, in combination) Chemical containing eleven hydroxy groups, (OH)₁₁undecalcifiedFrom which calcareous matter has not been removed.undecapeptide(organic chemistry) Any oligopeptide that has eleven amino acid unitsundecapitatedNot decapitatedundecasulfide(chemistry, in combination) A sulfide containing eleven sulfur functional groups or ions.undeceitfullyIn a way that is not deceitful.undeceleratedNot decelerated.undecemvirateAlternative form of undecimvirate.undeceptivelyIn an undeceptive manner.undecidednessThe quality of being undecided.undecillionthThe ordinal form of the number undecillionundecimalizedNot decimalized.undecimvirate(uncommon) A group of eleven people, especially (politics) a council of eleven men sharing office or power and particularly (historical) the groups of eleven magistrates in ancient Athens.undecipheringpresent participle and gerund of undecipherundeclamatoryNot declamatory.undeclaration(computing, programming) The act of undeclaring something previously declared.undeconvolvedNot deconvolved.undecoratableNot decoratable.undecrementedThat has not been decremented.undecryptableThat cannot be decrypted.undefatigableObsolete form of indefatigable.undefensivelyIn an undefensive manner.undeferentialNot showing appropriate respect or courtesy.undefilednessThe quality of being undefiled.undefinednessThe condition of being undefinedundefinitizedNot definitized.undeflectableNot deflectable.undeflectablySuch that it cannot be deflected or diverted.undegeneratedNot degeneratedundehumanizedNot dehumanized.undeificationThe process of undeifying.undeleteriousNot deleterious.undeliberatedNot deliberated.undelightsomeNot delightsome.undelimitatedNot delimitated.undeliverableNot able to be delivered.undemandinglyIn an undemanding way; not demanding anything or anyoneundemocratiseAlternative spelling of undemocratize.undemocratizeTo make not democratic, or less democraticundemoralizedNot demoralized.undeniabilityThe quality of being undeniable.undenominatedNot denominatedundenutritionMisspelling of undernutrition.undepreciatedNot depreciated.undepressibleNot depressible.underabundantInsufficiently abundantunderachieverOne who underachieves, i.e. performs less well than expected.underachievesthird-person singular simple present indicative of underachieveunderacinatedNot deracinated.underactivateTo produce insufficient levels of activation.underactivityinsufficient activityunderactuatedInsufficiently actuated.underacylatedLess than normally acylatedunderadditiveLess than additiveunderallocate(transitive) To allocate too little of.underambitionThe quality of being underambitious.underanalysisInadequate analysis.underanalyzedInsufficiently analyzed.underanimatedInadequately animated.underannotateTo provide too few annotations.underappraise(transitive) To appraise at too low a value.underattendedAttended by too few people.underbalancedDescribing a method of drilling for petroleum in which the pressure in the wellbore is kept lower than that of the formation being drilled, thus allowing fluid to enter the well as soon as it is found.underbrednessThe state or condition of being underbred.underbreechesbreeches worn underneath other clothingunderbreedingpresent participle and gerund of underbreedunderbritches(chiefly Southern US) Alternative form of underbreeches.underbudgetedsimple past and past participle of underbudgetunderbuildingA substructure; foundation; infrastructure.underburdenedsimple past and past participle of underburdenundercapacityLess than capacity.undercarriageThe supporting structural framework of a land vehicle (such as a car, truck, van, wagon, etc).undercautiousInsufficiently cautious.underchurchedHaving too few churches.undercitationInsufficient citation.underclassifyTo classify insufficientlyunderclassman(US) A freshman or sophomore in a high school or college or equivalent.underclassmenplural of underclassmanunderclockingpresent participle and gerund of underclockunderclothingclothing worn next to the skin; underwear.undercoachmanA subordinate coachman.undercomplete(mathematics) Describing a frame (in linear algebra) having a set of functions less than a basisunderconsumerOne who consumes too little of something.undercountingpresent participle and gerund of undercountundercoupling(electrical engineering) The act of coupling two tuned transformers so as to create a narrower bandwidth.undercoverage(statistics) Insufficient coverage (inadequate representation in a sample)undercoveringA covering that goes under something else.undercrackers(UK, informal) Men's underpantsundercreativeInsufficiently creative.undercrowdingThe action or event of a space having too few occupants.undercultural(rare) Of or pertaining to an underculture.undercurrentsplural of undercurrent.underdeclareddeclared to be smaller than is the caseunderdefendedsimple past and past participle of underdefendunderdeliveryA delivery of insufficient materialunderdesignedinadequately designedunderdiagnose(medicine) To diagnose something less often than it actually occurs.underdialysisInsufficient dialysis.underdigestedinsufficiently digestedunderdilation(surgery) Less than normal dilationunderdilutionInsufficient dilution.underdiuresis(medicine) Insufficient diuresis, typically causing inappropriate oliguria and thus potentially electrolyte imbalances or other sequelae.underdominantRelating to underdominanceunderdrainageDrainage by means of an underdrain.underdramaticInadequately dramatic.undereducatedInsufficiently educated.underemphasisInsufficient emphasis.underemployedEmployed in a job that offers fewer work hours than desired.underenrichedInsufficiently enrichedunderenthusedInsufficiently enthused.underentitledFeeling or acting as though one is entitled to less than one really deserves; too retiring or self-effacing.underequippedLacking sufficient equipmentundereruption(dentistry) The state of being undererupted, with less of the tooth visible than is normal.underestimate(transitive) To perceive or expect (someone or something) to be less significant or difficult than it actually is.underevaluateTo evaluate insufficientlyunderexaminedInsufficiently examined; overlooked.underexerciseInsufficient exercise.underexpandedLess than usually expandedunderexploredNot explored (either physically or intellectually) to the usual degreeunderexposureThe condition of being underexposed.underfalconerA subordinate falconer.underfeatured(computing) Lacking in features.underfinancedLacking sufficient financingunderfinishedOf animals reared for meat: having less fat than is desirable.underflavoredLacking sufficient flavor.underflooringA layer of flooring underneath the top layer or carpet.underfollowedNot adequately followed; having too small a following.underforestedToo sparsely forested.underfriction(chiefly attributive) A system for preventing a rollercoaster train from jumping off the track while in violent motion, using additional wheels under the track.underfunction(intransitive) To function inadequately.undergardenerAn assistant gardener.undergarmentsplural of undergarmentundergenerate(linguistics) To apply a rule of language too strictly, so that some potential valid utterances are excluded from production.undergovernedSubordinately governed.undergovernorA subordinate governor.undergraduacyThe period of time spent in college or university by a student who has not yet earned a bachelor's or equivalent degree.undergraduateA student at a university who has not yet received a degree.undergrounderAn underground publication or movie.underguardianA subordinate guardian.underhandedlyIn an underhanded manner.underhandness(rare) The state or condition of being underhand; underhandedness.underhorsemanA subordinate horseman.underidentify(intransitive) To identify insufficiently (with another person or thing).underimaginedInsufficiently imagined; betraying a lack of imagination.underimmuniseAlternative form of underimmunize.underimmunizeTo provide with inadequate immunization.underimprovedHaving undergone insufficient improvement.underinflatedsimple past and past participle of underinflateunderinformedGiven inadequate information.underinspiredLacking inspiration.underinstruct(transitive) To provide (someone) with insufficient instruction.underinsulateTo insulate insufficientlyunderinvestorOne who underinvests.underinvolvedInsufficiently involved.underirrigate(transitive) To irrigate inadequately.underivatisedAlternative form of underivatized.underivatizedNot derivatizedunderivednessThe quality of not being derived from anything else.underlabourerAn assistant or subordinate labourer.underlandlord(property law) Synonym of sublessor.underlaughterSuppressed laughter or laughingunderlengthen(transitive) To lengthen too little.underlicensed(computing) Having purchased fewer licences than are legally required.underlightingIllumination from underneath.underluminousInsufficiently luminousundermaintain(transitive) To maintain inadequately; to allow to fall into disrepair.undermarketedInsufficiently marketed.undermatchingpresent participle of undermatchundermediatorA subordinate mediator.undermininglySo as to undermine.underministerA minister who is subordinate to another.underministryA subordinate or inferior ministry.undermodifiedInsufficiently modified.undermountainBeneath a mountain.undermuscularSynonym of undermuscled.undernicenessLack of delicacy or fastidiousness.underoccupiedNot occupied enough, especially of a building with housing units.underofficialA subordinate official.underoptimizeTo optimize to an inadequate degree.underossifiedInsufficiently ossifiedunderpainting(art) An initial layer of paint, often monochromatic, applied to a ground as a base for subsequent layers.underpaymentsplural of underpaymentunderpenalizeTo penalize insufficientlyunderpeoplingThe state of having too sparse a population.underperceive(transitive) To perceive to a lesser degree than actually exists.underperformsthird-person singular simple present indicative of underperformunderperfused(medicine) Synonym of hypoperfused.underpinningsplural of underpinningunderplantingpresent participle and gerund of underplantunderpollutedHaving relatively low pollution.underpopulate(transitive) To populate with too few individuals.underpraisingpresent participle and gerund of underpraiseunderpreparedNot adequately prepared.underpressureinsufficient pressure; a marked drop in pressureunderproducedHaving had inadequate time or effort spent on its production.underproducerSomething that, or someone who underproducesunderprompterA subordinate prompter.underprovidedProvided to an inadequate extent.underpunishedInsufficiently punishedunderreactingpresent participle and gerund of underreactunderreactionA reaction that is inadequate or insufficient.underreactiveInsufficiently reactive; underreacting.underrealizedInadequately realized.underregulateTo regulate inadequately.underreportedsimple past and past participle of underreportunderreporterOne who underreports something.underreserved(finance) Having an inadequate reserve.underresolvedInsufficiently resolvedunderresourceTo provide with too few resources.underresponseinadequate response, or less response than othersunderrestrainTo fail to restrain sufficiently.underripenessThe state or condition of being underripe.underrotationinsufficient rotationundersamplingsampling at a lower rate than normalundersaturate(transitive) To saturate too little.underscreenedInsufficiently screenedunderseasonedLacking sufficient seasoning.undersedationinadequate sedationunderservicedReceiving an inadequate or disproportionately low level of service, especially from the stateundershepherdA lower-ranking shepherd who works under another shepherd.undersheriffsplural of undersheriffundershipmentShipment of an insufficient amount or quantity of goods.undershootingpresent participle and gerund of undershootundersmoothedInsufficiently smoothedunderspecificNot specific enough.underspendingpresent participle and gerund of underspendunderstaffingpresent participle and gerund of understaffunderstandersplural of understanderunderstanding(uncountable) The act of one that understands or comprehends; the mental process of discernment of meaning.understatedlyIn an understated way.understockingA stocking intended to be worn under another stocking.understrapperAny underling or inferior in office.understratumsplural of understratumunderstrengthLacking in number (of a military unit, sport team, etc.)undersulfatedLess than normally sulfatedundersuppliedsimple past and past participle of undersupplyundersurveyedInsufficiently surveyedundertakement(obsolete) An undertaking or enterprise; something done or attempted.undertakerishResembling or characteristic of an undertaker (funeral director).undertalentedLacking talent.undertheorizeTo theorize insufficiently.undertrousersUnderpants with long legs.underutilised(British spelling) Alternative spelling of underutilized.underutilized(American and Oxford British spelling) Insufficiently utilized.underwaterishAs if underwater.underwearlessWithout underwear.underweightedsimple past and past participle of underweightunderwhelmingFailing to interest; not as exciting as promised or expected.underwithhold(finance) To withhold an inadequate amount of tax for an employee etc., leaving a liability to pay the rest at a later stage.underwomanned(rare) Inadequately womaned.underwrappingpresent participle and gerund of underwrapunderwritingsplural of underwritingundescribableAlternative form of indescribable.undescribablyAlternative form of indescribably.undescriptiveNot descriptive.undesertifiedNot desertified.undeservinglyIn an undeserving way.undesigninglyIn an undesigning manner; with no artful, ulterior, or fraudulent purpose.undespoilableNot despoilable.undestroyableNot able to be destroyed; indestructible.undestructiveNot destructive; helpful.undeterminacyindeterminacyundeterminate(archaic) Not determinate; unsettled or uncertain.undethronableThat cannot be dethroned.undetrimentalNot detrimental.undevastatingNot devastating.undevelopableNot developable.undevelopedlyIn an undeveloped manner.undevelopmentThe absence of development.undeviatinglyWithout deviation; directly, unerringly.undevicesimalBased upon the number nineteen.undeviousnessThe quality or condition of being undevious.undevitrified(chemistry) Not having undergone devitrification, the process by which molten glass becomes crystallineundevotednessThe state of not being devoted.undexterouslyIn an undexterous manner.undiacritizedNot diacritized.undiagnosableThat cannot be diagnosed.undiagnosablyIn an undiagnosable way.undialecticalNot dialectical.undichotomousNot dichotomous.undictatorialNot dictatorial.undifferenced(heraldry) Not having a mark of difference.undiffidentlyIn an undiffident manner.undignifiedlyIn an undignified manner; without dignity.undilapidatedNot dilapidated.undimensionedNot dimensioned; dimensionless.undiminishingNot diminishing.undirectionalNot directional.undisburdenedNot disburdened.undiscardableNot discardable.undiscernableArchaic spelling of indiscernible.undiscernedlyWithout being discerned.undiscernible(archaic) Alternative form of indiscernible.undiscerniblyIn an undiscernible way.undisciplinednot subjected to discipline, control or correction; uncorrectedundisclosableThat cannot be disclosed.undisclosedlyWithout being disclosed or revealed; secretly.undiscolouredAlternative form of undiscolored.undiscomfitedNot discomfited.undiscomposedNot discomposed.undiscouragedNot discouraged.undiscoveringpresent participle and gerund of undiscoverundiscreditedNot discredited.undiscussableNot discussable; that cannot be discussed.undiscussibleAlternative form of undiscussable.undisgruntledNot disgruntled.undisguisableImpossible to disguise.undisguisablySuch that it cannot be disguised.undisguisedlyIn an undisguised manner; openly.undisgustableIncapable of being disgusted.undishevelledAlternative form of undisheveled.undishonouredNot dishonoured.undisinfectedNot disinfected.undismemberedNot dismemberred.undisparagingNot disparaging.undispellableUnabled to be dispelled; not dispellable.undispensable(obsolete) Indispensable.undisplayableNot displayable; that cannot be displayed.undisprovablenot able to be proven false, unfalsifiableundisruptableIncapable of being disrupted.undissectableIncapable of being dissected.undissemblingNot dissembling.undissociableNot dissociable.undissociablyIn an undissociable manner.undissociatedNot dissociated.undissolvableNot dissolvable.undissuadableThat which cannot be dissuaded.undissuadablyIn an undissuadable manner.undistastefulNot distasteful.undistemperedFree from distemper.undistillableNot able to be distilled (in any sense)undistinctiveNot distinctiveundistortableIncapable of being distorted.undistractingNot distracting.undistressfulNot distressful.undistressingNot causing distress.undistributedNot distributed.undistrustfulNot distrustful.undisturbableNot disturbable.undisturbanceFreedom from disturbance; the quality of being undisturbed.undisturbedlyCalmly; tranquilly; without disturbance.undithyrambicNot dithyrambic.undiversifiedNot diversified.undividednessThe state or condition of being undivided; unanimity, wholeness.undividuality(obsolete) The state or condition of being undividual; indivisibility.undivorceableNot divorceable; unable to divorce.undivulgeableThat cannot be divulged or disclosed.undoctrinaireNot doctrinaire.undocumentaryNot documentary.undomesticate(transitive) To undo domestication; to make wild after having been domesticated.undomicilableNot domicilable.undomineeringNot domineering.undoubtednessThe quality of being undoubted.undoubtlessly(nonstandard) Synonym of without a doubt.undressednessThe state or condition of being undressed.undulationismThe theory that light is a wave.undulationist(dated) One who believes that light is a wave.unduplicitousNot duplicitous.undurablenessThe quality of being undurable.unduteousnessThe state or condition of being unduteous.undutifulnessThe state or condition of being undutiful.unearthlinessThe characteristic of being unearthly; ethereal; otherworldly.uneatablenessThe quality of being uneatable.uneconomizingNot economizing.uneducabilityThe state or condition of being uneducable; ineducability.uneffectuallyIn an uneffectual manner.uneffectuatedNot effectuated.uneffeminatedNot effeminated.unefficaciousNot efficacious.unegalitarianNot egalitarian.unegotisticalNot egotistical.unelaboratelyIn an unelaborate manner.unelasticizedNot elasticized.unelectrifiedNot electrifiedunelucidatingNot elucidating.unemancipableThat cannot be emancipated.unemancipatedNot emancipated.unemarginatedNot emarginated.unemasculatedNot emasculated.unembarrassedNot embarrassedunembellishedPlain, unadorned, or simple.unembraceableNot embraceable; not able to be embraced.unembroideredNot having embroidery.unembryonatedNot embryonated.unemotionallyIn an unemotional manner.unempassionedObsolete form of unimpassioned.unempiricallyNot empirically; without experiment or experience.unemployablesplural of unemployableunencapsulate(transitive, programming) To remove from encapsulation.unenchantableThat cannot be enchanted.unencompassedNot encompassed.unencounteredNot encountered.unencouragingNot encouraging.unencroachingNot encroaching.unencryptableThat cannot be encrypted.unencumberingpresent participle and gerund of unencumberunencumbranceThe state or condition of being unencumbered.unendearinglyIn an unendearing manner.unendorsementThe act of unendorsing.unenforceableUnable to be enforced.unenforceablyIn a way that is not enforceable.unenforcementLack of enforcement; the state or (non-)action of not enforcing; the state or condition of not being enforced.unenigmaticalNot enigmatical.unenlightenedNot enlightened; ignorant in general or of some particular fact.unentertainedNot entertained.unenthrallingNot enthralling; dull.unentrammeledNot entrammeled.unenviabilityThe quality of being unenviable.unenviousnessThe quality of being unenvious.unenvisagableNot envisagable.unepiscopallyIn an unepiscopal manner.unequiangularNot equiangular.unequilateralNot equilateral.unequivalenceAlternative form of inequivalence.unequivocable(proscribed) Nonstandard form of unequivocal.unequivocably(proscribed) Nonstandard form of unequivocally.unequivocallyIn a way that leaves no doubt; in an unequivocal or unambiguous manner, unquestionably.unerroneouslyIn an unerroneous manner.unessentiallyIn an unessential way.unestablishedNot established.unethicalnessThe quality of being unethical.uneucharisticNot eucharistic.uneuphemisticNot euphemistic.unevaluatableNot able to be evaluated.unevangelicalNot evangelical.unevangelisedAlternative spelling of unevangelized.unevangelizedNot evangelized.unevisceratedNot eviscerated.unevocativelyIn an unevocative manner.unexacerbatedNot exacerbated.unexaggerableNot exaggerable.unexaggeratedNot exaggerated; not an exaggeration.unexasperatedNot exasperated.unexceptionalNot exceptional.unexchangableMisspelling of unexchangeable.unexclusivelyIn an unexclusive manner.unexcogitableinconceivableunexcogitatedNot excogitated.unexemplifiedNot exemplified; of which no example has been seen.unexercisableNot capable of being exercised.unexhaustedlyWithout being exhausted.unexhaustibleNot exhaustible; endless; inexhaustible.unexhibitableThat cannot be exhibited.unexhilaratedNot exhilarated.unexorcisableNot exorcisable.unexorcisablySuch that it cannot be exorcised.unexpansivelyIn an unexpansive way.unexpectantly(proscribed) unexpectedlyunexpectation(obsolete) Absence of expectation; want of foresight.unexpectinglyWithout expecting; unexpectantly.unexpeditatedNot expeditated.unexpeditiousNot expeditious.unexpensivelySynonym of inexpensively.unexperiencedSynonym of inexperienced.unexplainableThat doesn't have a known or readily available explanation.unexplainablyIn a way or to an extent that cannot be explained.unexplainedlyWithout explanation.unexplanatoryNot explanatory; failing to offer a (good or coherent) explanation.unexploitable(usually of natural resources) Not exploitable; that cannot be exploited.unexplorativeNot explorative.unexploratoryNot exploratory.unexpoundableNot expoundable.unexpressableSynonym of inexpressible.unexpressablySynonym of inexpressibly.unexpressedlyWithout being expressed.unexpressibleImpossible to express; inexpressible.unexpressiblyIn a way that cannot be expressed.unextenuatingNot extenuating.unextinguishtObsolete form of unextinguished.unextractableThat cannot be extracted.unextractibleAlternative form of unextractable.unextravagantNot extravagant.unfacetiouslyIn an unfacetious way.unfacilitatedNot facilitated.unfailingnessThe quality of being unfailing.unfalsifiable(of a statement or argument) Not able to be proven false, but not necessarily true.unfalsifiablyIn an unfalsifiable way.unfalteringlyIn an unfaltering way; without faltering.unfamiliarityLack of familiarity; ignorance or inexperience.unfanaticallyIn an unfanatical manner.unfannishness(fandom slang) The quality of being unfannish; behaviour inconsistent with being a fan.unfantasticalNot fantastical.unfascinatingNot fascinating.unfashionableNot fashionable.unfashionablyIn an unfashionable manner.unfearingnessAbsence of fear.unfeasibilityThe state of being unfeasible or impracticalunfederalizedNot federalized.unfeelingnessThe state or condition of being unfeeling.unfeignednessThe quality of being unfeigned; sincerity.unfelicitatedNot felicitated.unfeloniouslyIn an unfelonious manner.unfenestrated(sciences) Not perforated.unfermentableNot fermentable.unfilamentousNot filamentous.unfinanceableNot financeable.unfindabilityThe quality of not being findable.unfirmamented(poetic, rare, archaic) Not having a bounding firmament; limitless.unfissionableNot fissionable.unfittingnessThe quality of being unfitting, or unsuitable.unflagellated(biology) Having no flagella.unflamboyanceThe quality of being unflamboyant.unflattenableNot flattenable.unflatterableNot flatterable.unflavoursomeAlternative form of unflavorsome.unfleshlinessThe quality of being unfleshly.unflexibility(rare) Synonym of inflexibility.unflinchinglyWithout showing fear or indecision; resolutely.unflirtatiousNot flirtatious.unflourishingFailing to flourish.unfluctuatingNot fluctuating.unfluidizableNot fluidizable.unfluorescentNot fluorescent.unfluoridatedNot fluoridated.unfluorinatedNot fluorinated.unflusterableImpossible to fluster.unflutterableUnable to be fluttered or flustered; calm and collected.unfoldabilityThe condition of being unfoldableunfootprintedNot marked with footprints.unforbearanceLack of forbearance.unforbiddenlyIn an unforbidden manner; allowably.unfordabilityThe state or condition of being unfordable.unforeknowingNot knowing in advance; unaware of something to come.unforeseeableIncapable of being foreseen or anticipated.unforeseeablyIn an unforeseeable manner; without the possibility of being predicted.unforesightedLacking foresight.unforeskinnedNot foreskinned; deprived of the foreskin; circumcised.unforestalledNot forestalled.unforethoughtNot forethought.unforfeitableNot forfeitable.unforgettableVery difficult or impossible to forget.unforgettablyIn an unforgettable manner; very memorably.unforgiveableAlternative spelling of unforgivable.unforgiveablyAlternative form of unforgivably.unforgivenessLack of forgiveness.unforgivinglyIn a way that is unforgivingunformattableNot formattable; that cannot be formatted.unformulisticNot formulistic.unforthcomingNot forthcoming; laconic or uncooperative.unfortifiableNot fortifiable.unfortunantlyMisconstruction of unfortunately.unfortunatelyHappening through bad luck, or because of some unfortunate event.unforwardnessThe state or condition of being unforward; timorousness.unfoundednessThe state or condition of being unfounded.unfragmentaryNot fragmentary.unfraternallyIn an unfraternal way.unfrenchifiedNot Frenchified.unfrighteningNot frightening.unfrivolouslyIn a manner that is not frivolous.unfructifyingNot fructifying.unfructuouslyIn an unfructuous manner.unfuckability(rare, vulgar) The state of being unfuckable.unfucosylatedNot fucosylatedunfulfillableNot fulfillable.unfulfillablyIn a way that cannot be fulfilled.unfulfillmentThe failure to fulfill or perform something.unfundamentalNot fundamental.unfurthersomeNot furthersome.ungainfulnessThe quality of being ungainful.ungainsayableThat cannot be gainsaid; irrefutable.ungainsayablyIn an ungainsayable manner.ungaliophiineAny booid snake of the subfamily UngaliophiinaeungallantnessThe quality of being ungallant.ungalloylatedNot galloylatedungarnishableNot garnishable.ungelatinisedAlternative spelling of ungelatinized.ungelatinizedNot gelatinized.ungeneralisedAlternative form of ungeneralized.ungeneralizedNot generalized.ungenteelnessThe quality of being ungenteel.ungentlemanlyNot gentlemanly; not adhering to the high moral standards expected of a gentleman; impolite, unchivalrous, or indecent.ungenuinenessThe quality of not being genuine.ungeometricalNot geometrical.ungerminatingNot germinating.unghostlinessThe state of being unghostly.unglamorouslyIn an unglamorous manner.unglottalized(phonetics) Not glottalized.ungodlikenessThe state or condition of being ungodlike; ungodliness.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.ungraphitizedNot graphitized.ungratifiableThat cannot be gratified.unguardednessThe state or condition of being unguarded.unguillotinedNot guillotined.unhabilitatedNot habilitated.unhalogenatedNot halogenated.unhandicappedNot handicapped.unharmfulnessThe quality of not being harmful.unharnessableIncapable of being harnessed.unharvestableNot harvestable.unhealthfullyIn an unhealthful manner.unhealthinessThe state of being unhealthy.unheedfulnessQuality of being unheedful.unhelpabilityThe quality of being unhelpable.unhelpfulnessThe state of being unhelpful.unheparinisedAlternative form of unheparinized.unheparinizedNot heparinizedunhighlightedsimple past and past participle of unhighlightunhippocratic(rare) Not befitting a doctor.unhistoricityThe state or condition of being unhistoric; ahistoricalness.unholdabilityThe state or condition of being unholdable.unhomogeneityLack of homogeneity.unhomogeneousNot homogeneous.unhomogenisedAlternative form of unhomogenized.unhomogenizedNot homogenized.unhomologatedNot homologated.unhopefulnessQuality of being unhopeful.unhospitality(dated or nonstandard) Lack of hospitality; rudeness towards guests.unhousebrokenNot housebroken.unhousewifelyNot housewifely.unhumblednessThe quality of not being humbled.unhumiliatingNot humiliating.unhumourouslyRare spelling of unhumorously.unhurriednessThe quality of being unhurried.unhurtfulnessThe quality of not being hurtful.uniarticulateHaving, or involving a single joint (or articulation)uniauriculateHaving a single ear-like process, as in a bivalve shell.unibranchiate(zoology, rare) Having only one gill.unicameralism(government) The principle and practice of having a legislative body consisting of a single chamber.unicameralistA supporter of unicameralism.unicarpellate(botany) Having a single carpel.uniconceptualInvolving a single concept.unicorticallyIn a unicortical mannerunidentifyingThat does not serve to identify.unideographicNot ideographic.unideologicalNot ideological.unielectronic(physics) Having a single electronunifascicularInvolving a single fascicle.uniflagellate(biology) Having only one flagellum.unifollicularComposed of a single follicle.uniformisable(mathematics) Alternative form of uniformizable.uniformizable(mathematics) Able to be uniformized.unifunctionalHaving, or employing a single functionuniglomerularHaving a single glomerulusunignominiousNot ignominious.unilateralismA tendency of nations to act on their own, or with only minimal consultation and involvement with other nations.unilateralistSupporting or advocating unilateralismunilateralityThe state or quality of being unilateral; one-sidedness.unilateralize(transitive) To make unilateral.unilingualism(linguistics) The condition of being able to speak only a single language.unilingualistSynonym of monolingualist.unilluminableThat cannot be illuminated.unilluminatedNot illuminated.unillustratedNot illustrated.unillustriousNot illustrious.unilocularity(medicine) The quality of being unilocular.unimaginativeNot imaginative.unimbellishedArchaic form of unembellished.unimitativelyIn an unimitative manner, not imitating something else.unimmobilizedNot immobilizedunimmortalize(transitive) To cause (someone or something) to not be immortal or to cease to be immortal; to mortalize.unimodularityThe condition of being unimodularunimpassionedNot impassioned; lacking passion; without emotion.unimpatientlyIn an unimpatient manner; without impatience.unimpeachableNot able to be impeached or reproached.unimpeachablyIn an unimpeachable manner.unimpertinentNot impertinent.unimplantableThat cannot be implanted into something.unimplementedNot implemented; not put into operation/serviceunimportantlyIn a way that is not important; insignificantly.unimportunateNot importunateunimpregnableNot impregnable; capable of being pierced or assailed.unimpregnatedNot impregnated.unimpressableAlternative form of unimpressible.unimpressibleNot impressible; not sensitive; apathetic.unimpressiblyIn an unimpressible manner.unimpropriateNot impropriateunimprovementLack of improvement; failure to improve.unimpulsivelyIn an unimpulsive manner.uninactivatedNot inactivateduninauguratedNot inaugurated.unincineratedNot having been incinerated.unincorporateTo undo or remove the incorporation of.unincreasableNot increasable.unincrementedThat has not been incremented.unindemnifiedNot indemnified.unindentationSynonym of dedentation (“reversal of indentation”).unindifferentNot indifferent.unindulgentlyIn an unindulgent manner.unindustriousNot industrious.uninebriatingNot inebriatinguninfibulatedNot infibulated.uninfiltratedNot infiltrateduninflammableNot inflammable.uninflectable(linguistics) Not inflectable; that cannot be inflected.uninfluencingNot exerting an influence.uninfluenciveNot influenciveuninfluentialNot influential; lacking influence.uninformationUnwanted, useless, needless, or untrue information; misinformationuninformativelacking useful or interesting informationuninfringibleThat cannot be infringed.uningeniouslyIn an uningenious manner.uningenuouslyIn an uningenuous manner.uninhabitableNot fit for people (or other living things) to live in; not able to be inhabited.uninhabitablyIn an uninhabitable way; to an uninhabitable degree.uninhabitatedAlternative form of uninhabited.uninhabitedlyMisspelling of uninhibitedly.uninheritableNot inheritable.uninhibitableThat cannot be inhibited.uninhibitedlyIn an uninhibited manner.uninitialisedAlternative spelling of uninitialized.uninitializedNot initialized.uninjurednessThe quality of being uninjured.uninjuriouslyIn an uninjurious manner.uninquisitiveNot inquisitive; incurious, not inclined to seek knowledge.uninscribableNot inscribable.uninseminatedNot inseminated.uninsistentlyIn an uninsistent manner.uninspectableNot inspectable; incapable of being inspected.uninspiringlyIn an uninspiring manner.uninspissatedNot inspissated.uninstallableCapable of being uninstalled.uninstallment(nonstandard, proscribed, nonce word) Synonym of uninstallation.uninstantiate(programming, transitive) To destroy or annul (an instance of something); to eliminate (a variable, object, etc.) that was created earlier.uninstinctiveNot instinctive or lacking instinct.uninstructingUninstructive.uninstructiveNot instructive.unintegrationThe quality of being unintegrated; lack of integration.unintelligentNot intelligent.unintendinglyunintentionallyunintensifiedNot intensified.unintentionalNot intended or deliberate; inadvertent; unwitting.unintentionedNot intentioneduninteractingNot interactinguninterceptedNot intercepted.uninterdictedNot interdicted.uninterestingArousing little or no interest; boring or uneventful.uninterlardedNot interlarded.uninterleavedNot interleaved.uninterlinkedNot interlinked.uninterlockedNot interlocked.unintermitted(dated) Not intermitted; uninterrupted, ceaseless.uninterposingNot interposinguninterpretedNot (yet) interpreteduninterruptedcontinuing with no interruptionunintersectedNot intersected.uninterveningThat does not intervene.uninterviewedNot interviewedunintimidatedNot intimidatedunintoxicatedNot intoxicated; sober.unintromittednot intromittedunintrovertedNot introverted.unintrusivelyIn an unintrusive manner.unintuitivelyIn an unintuitive manner.uninvaginatedNot invaginated.uninvalidatednot invalidateduninventivelyIn an uninventive way.uninventoriedNot inventoried.uninvidiouslyIn an uninvidious manner.uninvigoratedNot invigorated.uninvolvementThe state of being uninvolved.unionizationsplural of unionizationuniparametricHaving or relating to a single parameter.uniparentallyFrom, or relating to, only one parent.unipectinatedPectinate, with each ridge bearing a single projection.unistratifiedSynonym of monostratified.unistructuralHaving, or based on, a single structureunitarisationAlternative form of unitarization.unitarizationThe act of unitarizing or of being unitarizedunitentacularHaving or relating to a single tentacle.unitransitive(grammar) Transitive and taking only a single object.unitriangular(mathematics) Of a matrix: such that the entries on the main diagonal of a (upper or lower) triangular matrix are all 1.universalismsplural of universalismuniversalistsplural of universalistuniversalizedsimple past and past participle of universalizeuniversalizerOne who universalizes.universalnessThe quality or state of being universal.univocability(linguistics) The existence of a one-to-one correspondence between signs and grammatical functions.unjeopardisedAlternative form of unjeopardized.unjeopardizedNot jeopardized.unjointednessThe quality of being unjointed.unjournalizedNot journalized.unjudgementalAlternative spelling of unjudgmental.unjudiciouslyIn an unjudicious manner.unjusticiableNot justiciable.unjustifiableThat cannot be justified, excused or pardoned.unjustifiablyIn an unjustifiable manner.unjustifiedlyWithout justification; in an unjustified manner.unkeratinizedNot keratinizedunkillabilityInability to be killed.unknottedness(mathematics) The condition of being unknottedunknowabilityThe quality or state of being unknowable.unknowingnessThe quality of not knowing; ignorance of something.unlaboriouslyIn an unlaborious manner.unlanguishingNot languishing.unlateralizedNot lateralized.unlawfullnessArchaic spelling of unlawfulness.unlearnednessThe state or condition of being unlearned; lack of education.unlegislativeNot legislative.unlexicalisedAlternative spelling of unlexicalized.unlexicalizedNot lexicalized.unliberalizedNot liberalized.unlibertarianNot libertarian.unlibrarianlyNot librarianly.unlightednessThe quality of being unlighted.unlikablenessAlternative spelling of unlikeableness.unlikeabilityAlternative form of unlikability.unlimitednessThe characteristic of being unlimited; infinity.unlinkabilityThe quality of being unlinkable.unliquefiableNot liquefiable.unliquidatingNot liquidating.unliteralnessQuality of being unliteral.unlivablenessThe state or condition of being unlivable.unlocalizableThat cannot be localizedunlockabilityThe property of being unlockable (able to be unlocked).unlovablenessThe quality of being unlovable.unloverlinessThe state or condition of being unloverly.unluxuriouslyIn a manner that is characterized by the absence of luxury.unmacadamisedAlternative form of unmacadamized.unmacadamizedNot macadamized.unmagisterialNot magisterial.unmagnanimousNot magnanimous.unmaliciouslyIn a way that is not malicious.unmanifestingNot manifesting itself; remaining hidden.unmanipulableThat cannot be manipulated.unmanipulatedNot manipulated.unmappabilityThe state or condition of being unmappable.unmarriednessQuality of being unmarried.unmarshallingAlternative form of unmarshaling, present participle and gerund of unmarshalunmasculinelyIn an unmasculine manner.unmasculinityThe state or condition of being unmasculine; effeminacy.unmasochisticNot masochistic.unmasqueradedNot masqueraded.unmasterfullyIn an unmasterful manner.unmatchednessThe quality of being unmatched, i.e. having no equal.unmaterialist(philosophy) Contrary to materialism.unmatrimonialNot matrimonial.unmeaningness(dated) The quality of being unmeaning; insignificance.unmeasureableMisspelling of unmeasurable.unmechanisticNot mechanistic.unmedallionedNot medallioned.unmedicalizedNot medicalized.unmedicinableNot useful in medicine.unmediumisticNot mediumistic.unmelancholicNot melancholic.unmellifluousNot mellifluous; harsh-sounding; dissonant.unmelodicallyIn an unmelodic way.unmelodiouslyIn an unmelodious manner.unmeltabilityThe state or quality of being unmeltable.unmemorizableImpossible to memorize.unmentionableToo embarrassing or shocking to be discussed.unmentionablyIn an unmentionable way; indescribably, unutterably, unspeakably.unmeritednessThe state or condition of being unmerited; undeservedness.unmeritoriousNot meritorious; without merit.unmetabolisedAlternative spelling of unmetabolized.unmetabolizedNot metabolized.unmethylation(biochemistry) The removal of methyl groups from a previously methylated moleculeunmetricalityThe quality of being unmetrical.unmicroscopicNot relating to, or assisted by, the microscope.unmilitarizedNot militarized.unmindfulnessThe quality of being unmindful.unmineralisedAlternative form of unmineralized.unmineralizedNot mineralizedunminimizableNot minimizable.unministerialNot ministerial.unmischievousNot mischievous.unmiserlinessThe quality of being unmiserly.unmisgivinglyWithout misgivings.unmissionizedNot missionized.unmistakeableAlternative spelling of unmistakable.unmistakeablyAlternative spelling of unmistakably.unmistakinglyWithout any mistake or misunderstanding; unmistakably.unmistrustfulNot mistrustful.unmistrustingNot mistrusting.unmitigatedlyIn an unmitigated mannerunmixablenessThe quality of being unmixable.unmoistenableUnable to be moistened.unmoisturizedNot moisturized.unmollifiableThat cannot be mollified.unmollifiablySo as not to be mollified.unmomentouslyIn an unmomentous manner.unmonarchicalNot monarchical.unmonetizableNot monetizable.unmonitorableNot monitorable.unmonogrammedNot monogrammed.unmotivatedlyIn an unmotivated manner.unmountainousNot mountainous.unmovablenessQuality of being unmovable.unmoveabilityAlternative form of unmovability.unmurmuringlyWithout protest or complaint.unmuscularityThe state or condition of being unmuscular.unmusicalnessunmusicalityunmutagenizedNot mutagenizedunmyelinatingThat does not myelinateunnamablenessAlternative spelling of unnameableness.unnameabilityThe quality of being unnameable.unnationalityA lack of national feeling and loyalty.unnaturalisedAlternative spelling of unnaturalized.unnaturalizedNot naturalized.unnaturalnessThe state of being unnatural.unnavigatableAlternative form of unnavigable.unnecessariesunnecessary or inessential thingsunnecessarilyIn an unnecessary way; not by necessity.unnecessitate(transitive) To remove the requirement for something; to make unnecessary.unneedfulnessLack of necessity.unneglectableThat cannot be neglectedunneighbouredWithout neighbours.unneighbourlyNot neighbourly; antisocial.unnervingnessThe state or quality of being unnerving.unneutralisedAlternative spelling of unneutralized.unneutralizedNot neutralized.unnonsensicalNot nonsensical.unnourishableNot nourishable.unnutritionalProviding little or no nutrition; having little to no nutritional value; not nutritional; non-nourishing; unhealthy.unobjectifiedNot objectified.unobjectinglyWithout objection or disagreement; not objectingly.unobjectionalNot objectional.unobjectivelyin an unobjective manner; in a manner lacking objectivityunobliterableIncapable of being obliterated.unobliteratedNot obliterated.unobservantlyIn an unobservant manner; with careless inattention.unobservinglyWithout observing.unobsessivelyIn an unobsessive manner; without obsession.unobstructingThat does not obstruct.unobstructivenot obstructiveunobtrusivelyIn an unobtrusive manner; in a manner that is not noticeable or blatant.unobviousnessThe state or condition of being unobvious.unodoriferousNot odoriferous.unoecumenicalAlternative form of unecumenical.unoffendinglyIn an unoffending manner.unoffensivelySynonym of inoffensively.unofficerlikeNot officerlike.unofficialdomThe quality of being unofficial.unofficialityThe quality of being unofficial.unofficiatingNot officiating.unofficiouslyIn a way that is not officious.unontologicalNot ontological.unoperculatedWithout an operculum.unopinionatedNot opinionated; without strong opinions.unopportunelyAlternative form of inopportunely.unopprobriousNot opprobrious.unoptimizableNot optimizable.unorderednessThe quality of being unordered (not sorted).unorderlinessThe state or condition of being unorderly; messiness, disorganization.unorganicallyIn a manner that is not organic.unorganisableAlternative form of unorganizable.unorganizableThat cannot be organized.unorganizedlyIn an unorganized manner.unoriginalityThe property of lacking originality, repetitiveness, triteness, banality.unoriginately(archaic, religion) Without origin.unorigination(theology) The property of not having originated, but having always existed.unoriginativeNot originative.unorthodoxiesplural of unorthodoxyunoscillatingNot oscillating.unostentationLack of ostentation.unoverflowingNot overflowing.unoverpoweredNot overpowered.unoverridable(rare) Not overridable.unoverwhelmedNot overwhelmed.unpacificallyIn an unpacific manner.unpackageableNot packageable.unpainfulness(very rare) The state or condition of being unpainful; painlessness.unpainstakingNot painstaking.unpaintednessThe quality of not being painted.unpalatalizedNot palatalized.unpalpitatingNot palpitating.unpanegyrizedNot panegyrized.unpantheisticNot pantheistic.unparadoxicalNot paradoxical.unparagraphedNot divided into paragraphs.unparallelledAlternative spelling of unparalleled.unparaphrasedNot paraphrased.unparasiticalNot parasitical.unparasitisedAlternative form of unparasitized.unparasitizedNot having been parasitized.unparcellatedNot parcellatedunparchmentedNot parchmented.unpartakeable(rare) Unable to be partaken in; not partakeable.unpartitionedNot partitioned.unpasteurised(British spelling) Alternative spelling of unpasteurized.unpasteurizedNot pasteurized.unpatientness(obsolete) Lack of patience.unpatriarchalNot patriarchal.unpatrollableNot patrollable; that cannot be patrolled.unpatronisingAlternative spelling of unpatronizing.unpatronizingNot patronizing.unpatternableNot patternable.unpayablenessThe quality of being unpayable.unpeculiarity(very rare) The quality of not being peculiar.unpedagogicalNot pedagogical.unpenalizableNot penalizable.unpenetratingFailing to penetrate.unpenetrativeNot penetrative.unpenguinlikeNot penguinlike.unpensionableNot pensionable.unperceivableNot perceivable; imperceptible.unperceivablyimperceptiblyunperceivedlyWithout being perceived.unperfectnessQuality of being unperfect.unperformableNot performable; that cannot be performed.unperformablySuch that it cannot be performed.unperiphrasedNot periphrased.unpermissibleNot permissible.unperpetratedNot having been perpetrated.unperpetuatedNot perpetuated.unperseveringNot persevering.unpersonalityAbsence of personality; the quality of being impersonal.unpersonifiedNot personified.unperspicuousNot perspicuous.unperspirableNot perspirable.unpersuadableNot persuadable; who cannot be persuaded or convinced.unpersuadablyIn an unpersuadable manner.unpersuasibleNot persuadable.unperturbableNot perturbable.unperturbablyIn an unperturbable manner.unperturbedlyIn an unperturbed manner.unpessimisticNot pessimistic.unpetticoatedNot wearing a petticoat.unpharisaicalNot pharisaical.unphilosophicNot philosophic.unphysicalityThe quality of being unphysical.unphysiologicAlternative form of unphysiological.unpictoriallyIn an unpictorial manner.unpictureableAlternative form of unpicturable.unpicturesqueNot picturesque; unattractive.unpigeonholedNot pigeonholed.unpilgrimlikeNot pilgrimlike.unpindownableThat cannot be pinned down; elusive; uncapturable.unpitifulnessQuality of being unpitiful.unpityingnessThe quality of being unpitying.unplagiarizedNot plagiarized.unplannednessThe quality of being unplanned.unplasticised(British spelling) Alternative spelling of unplasticized.unplasticizedNot plasticized.unplastinatedNot plastinatedunplayabilityThe state or condition of being unplayable.unplayfulnessThe quality of being unplayful.unpleasantishFairly unpleasant.unpleasurableThat gives displeasure.unpleasurablyIn an unpleasurable manner.unpliablenessThe quality of being unpliable.unplummetableunable to be fathomedunplutocraticNot plutocratic.unpneumatisedAlternative form of unpneumatized.unpneumatizedHaving no air cavitiesunpoeticalityThe quality of being unpoetical.unpointednessThe state of being unpointedunpolarisable(British spelling) Alternative form of unpolarizable.unpolarizableThat cannot be polarizedunpolemicallyIn an unpolemical manner.unpolicemanlyUnbefitting or uncharacteristic of a policemanunpoliticallyIn a way that is not political.unpoliticizedNot politicized.unpolymerisedAlternative form of unpolymerized.unpolymerizedNot polymerized.unpolymorphedsimple past and past participle of unpolymorphunpompousnessThe quality of not being pompous.unpopularizedsimple past and past participle of unpopularizeunportabilityThe state or condition of being unportable.unportrayableThat cannot be portrayed.unpossessableThat cannot be possessed.unpossibility(now rare) Impossibility.unpostponableNot postponable.unpotentiatedNot potentiatedunpracticableNot practicable.unpracticallyIn a way that is not practical.unpragmaticalNot pragmatical.unprecedental(obsolete) unprecedentedunprecedentedNever before seen, done, or experienced; without precedent.unprecedentlyIn a manner or to a degree that has no precedent.unprecipitateNot precipitate.unprecisenessThe state or condition of being unprecise; imprecision.unpredestinedNot predestined.unpredictableUnable to be predicted.unpredictablyIn an unpredictable way.unpredisposedNot predisposed.unprejudicate(archaic) unprejudicedunprejudicialNot prejudicial.unpremonishedNot premonished.unpremultiply(computer graphics) To divide a premultiplied matrix by a preceding factor noncommutativelyunpreoccupiedNot preoccupied.unpreordainedNot preordained.unprepackagedNot prepackaged.unpreparationunpreparednessunpresentableNot presentable.unpresentablyIn an unpresentable way.unpreservableNot preservable.unpresidentedMisspelling of unprecedented.unpressurisedAlternative form of unpressurized.unpressurizedNot pressurized.unprestigiousNot prestigious.unpresupposedNot presupposed.unpretentiousSimple, humble, not pretentious, plain.unpreventableNot preventable.unpreventablyIn an unpreventable manner.unpreventibleAlternative form of unpreventable.unpreviewableThat cannot be previewed; that is not previewable.unprintworthyNot printworthy.unprioritisedAlternative spelling of unprioritized.unprioritizedNot prioritized.unproblematicNot problematic (presenting problems) or not controversial.unprocessableUnable to be processed; unsuitable for processing.unprocreativeNot procreative.unproduceableNot capable of being produced.unproficiencyLack of proficiency.unprogressingNot making progress.unprogressiveNot progressive; not contributing to progress.unprohibitiveNot prohibitive.unprojectableNot projectable.unpromiscuousNot promiscuous.unpromisinglyIn an unpromising manner.unpromulgatedNot promulgated.unpronouncingThat does not pronounce, or does not pronounce clearly.unpropheticalNot prophetical.unprophetlikeNot prophetlike.unpropitiableIncapable of being propitiated.unpropitiatedNot having been propitiated; unappeased.unprosaicallyIn an unprosaic manner.unprostitutedNot having been prostituted.unprotectableImpossible to protect; ineligible for legal protection.unprotectedlyWithout being protected.unprotectibleSynonym of unprotectable.unproteolyzedNot proteolyzedunprovabilityThe condition of being unprovableunprovenancedLacking provenance; unknown source.unprovidencedUnaided by providence.unprovidentlyIn an unprovident manner.unprovisionednot provisionedunprovocativeNot provocative or stimulatingunprovokinglyWithout giving provocation.unprudishnessThe quality of being unprudish.unpsychedelicNot psychedelic.unpsychiatricNot psychiatric.unpublicationThe process of unpublishing something.unpublishableNot suitable for publicationunpublishablyIn an unpublishable manner; unsuitably for publication.unpunctiliousNot punctilious.unpunctualityNot being punctual; lateness.unpuncturableThat cannot be punctured.unpunishinglyIn an unpunishing manner.unpurchasableThat cannot be purchased.unpuritanicalNot puritanical.unpurliteness(US, regional) Pronunciation spelling of unpoliteness.unpurposelikeNot purposelike.unpurposivelyIn an unpurposive manner.unputdownableOf a person, etc.: difficult or impossible to put down (in various senses).unputrefiableNot putrefiable.unqualifiableNot qualifiable.unqualifiedlyIn an unqualified manner.unqualitativeNot qualitative.unquarantinedNot quarantined.unquarrellingNot engaging in quarrels or arguments.unquarrelsomeNot quarrelsome.unquaveringlyWithout quavering.unquenchinglySynonym of unquenchably.unquestionate(Scotland, obsolete) Unquestioned.unquestioningBelieving without question; having absolute loyalty.unquibblinglyWithout quibbling; without argument.unquiveringlyWithout quivering.unquizzically(rare) not quizzicallyunrancorouslyWithout rancor.unrapeabilityThe unworthiness of being raped based on physical appearance.unrationality(rare) The state or condition of being unrational; irrationality.unreactivatedNot reactivatedunreadabilityThe property of being impossible to read.unreasoninglyWithout reasoning; blindly, thoughtlessly.unreassurableThat cannot be reassured.unrebuildableToo damaged to be rebuilt.unreceptivelyIn an unreceptive manner.unreceptivityThe quality of being unreceptive.unreciprocate(poetic) Unreciprocated.unreclaimableNot reclaimable.unreclaimablySuch that it cannot be reclaimed.unrecognisingpresent participle and gerund of unrecogniseunrecognitionLack of recognition; failure to recognize.unrecognizingpresent participle and gerund of unrecognizeunrecollectedNot recollected.unrecommendedNot recommended; discouraged.unrecompensedNot recompensed; unrewarded.unreconcilingNot reconciling.unreconnectedNot reconnected; still disconnectedunreconstructTo reverse or undo the effects of reconstruction.unrecountableThat cannot be recounted or told.unrecoverableNot recoverable; that cannot be recovered.unrecoverablyIn an unrecoverable manner, or to an unrecoverable degreeunrecruitableNot capable of being recruited.unrectangularNot rectangular.unrectifiableNot rectifiable.unrectifiablySuch that it cannot be rectified or set right.unrecuperableNot recuperable.unrecuperablyIn an unrecuperable manner.unrecuperatedNot recuperatedunredeeminglyMisconstruction of unredeemably.unredoubtableNot redoubtable.unredressableNot redressable, that cannot be redressed.unredressibleAlternative form of unredressable.unrefinednessThe quality of being unrefined.unreflexivelyIn an unreflexive manner.unreformation(obsolete) Lack of reformation; state of being unreformed.unrefurbishedNot having been refurbished.unregardinglyWithout seeing.unregenerableThat cannot be regenerated.unregeneratedNot regenerated; unimproved.unregisteringpresent participle and gerund of unregisterunregistrable(law) In United States trademark law, incapable of receiving trademark registration.unregretfullyIn an unregretful manner; without regret.unregrettableNot regrettable.unregularisedAlternative spelling of unregularized.unregularizedNot regularizedunregulatableNot regulatable.unregulatedlyIn an unregulated manner; demonstrating a lack of regulation.unrehearsableNot rehearsable.unrejuvenatedNot rejuvenated.unrelatednessThe state or condition of being unrelated.unrelativizedNot relativizedunrelentinglyIn an unrelenting manner:unreliabilityThe quality of being unreliable.unrelieveableAlternative form of unrelievable.unreligiouslyIn an unreligious way.unrelocatableNot relocatable.unreluctantlyWithout reluctance; willingly.unremainderedNot remaindered.unrememberingNot remembering; forgetful.unremembranceLack of remembrance; forgetfulness.unreminiscentNot reminiscent.unremittentlySynonym of unremittingly.unremittinglyIn an unremitting manner.unremorseless(obsolete, rare) Utterly remorseless.unremuneratedNot remunerated; unpaidunreorganizedNot reorganized.unrepatriablenot able to be repatriatedunrepatriatedNot repatriated.unrepentantlyIn an unrepentant way.unrepentinglyWithout repenting.unrepetitiousNot repetitious.unreplaceableirreplaceableunreplenishedNot replenished.unrepossessedNot repossessed.unreprehendedNot reprehended.unrepresentedNot represented.unrepressedlyIn an unrepressed way.unrepressibleSynonym of irrepressible.unreprievableNot capable of being reprieved.unreprimandedNot having received a reprimand.unreprintableNot reprintable.unreproachfulNot reproachful.unreproachingThat does not reproach.unreproveableNot doing anything wrong that might attract reproofunreprovinglyWithout offering reproof.unrequalifiedNot requalified.unrequitementThe quality of being unrequited.unrescindableThat cannot be rescinded.unresentfullyIn an unresentful way.unreservation(chiefly computing) The undoing or cancellation of a reservation.unresistantlyIn an unresistant manner.unresistinglyIn an unresisting way; without resistance.unresourcefulNot resourceful.unrespectableNot respectable.unrespectablyIn an unrespectable manner.unresplendentNot resplendent.unresponsible(now nonstandard) irresponsibleunrestfulnessThe state or condition of being unrestful.unrestingnessConstant activity or diligence.unrestrictiveNot restrictiveunretaliatingNot engaging in retaliation.unretaliativeNot retaliative.unretaliatoryNot retaliatory.unreticulatedNot reticulated.unretractableThat cannot be retracted.unretrainableNot capable of being retrained.unretributiveNot retributive.unretrievableThat cannot be retrieved.unretrofittedNot retrofitted.unretroflexedNot retroflexed.unreturninglyWithout returning or coming back.unrevealinglyIn a way that is not revealing.unreverentialNot reverential.unrevisitableUnable to be revisited.unrevitalizedNot revitalized.unrewardinglyIn an unrewarding manner.unrighteouslyIn an unrighteous manner.unritualisticNot ritualistic.unrufflednessThe state or condition of being unruffled.unsacramentalNot sacramental.unsacrificialNot sacrificial.unsacrificingNot making a sacrifice.unsafeguardedNot safeguarded.unsaintlinessThe quality of being unsaintly.unsalablenessAlternative spelling of unsaleableness.unsaleabilityThe quality of being unsaleable.unsalvageableThat cannot be salvaged; not salvageable.unsalvageablyIn an unsalvageable way; irrecoverably.unsanctifyingpresent participle and gerund of unsanctifyunsanctioningThat does not sanction something.unsanctuariedWithout a sanctuary.unsandpaperedNot sandpapered.unsanguineousNot sanguineous.unsatiabilityObsolete form of insatiability.unsatiricallyIn an unsatirical way.unsatirizableNot satirizable.unsatisfiableNot satisfiable. Unable to be satisfied.unsatisfiablySuch that it cannot be satisfied.unsatisfiedlyNot satisfiedly; without satisfaction or contentment.unsaturatedlyWithout being saturated.unsaturationsplural of unsaturationunsavourinessAlternative spelling of unsavoriness.unsayablenessQuality of being unsayable.unscalabilityThe state or condition of being unscalable.unscandalizedNot scandalized.unscathednessThe quality of being unscathed.unscavengered(UK, archaic) Not cleaned by a street sweeper.unscepticallyAlternative spelling of unskeptically.unschedulableNot schedulableunschematizedNot schematized.unscholarlikeNot scholarlike.unscholastickObsolete spelling of unscholastic.unsclerotisedAlternative form of unsclerotized.unsclerotizedNot sclerotized.unscratchableNot scratchable; impossible to scratch.unscrumptiousNot scrumptious.unscrutinisedAlternative spelling of unscrutinized.unscrutinizedNot having been scrutinized.unscutcheonedWithout an escutcheon.unsecretarialNot secretarial; not befitting a secretary.unsecretivelyIn an unsecretive manner.unsectionableNot sectionable.unsecularizedNot secularized.unsecuritisedAlternative form of unsecuritized.unsecuritizedNot having the form of a securityunseeablenessThe quality of being unseeable.unselectivelyIn an unselective manner; inclusivelyunselectivityThe quality of being unselective.unselfishnessThe state of being unselfish.unselfpityingNot self-pitying.unsellabilityProperty of being unsellable.unsensationalNot sensationalunsensibilityThe state or condition of being unsensible; insensibility.unsensitivelySynonym of insensitively.unsensitivitySynonym of insensitivity.unsensualizedsimple past and past participle of unsensualizeunsententiousNot sententious.unsentimentalNot sentimental.unsentinelledNot provided with a sentinel or guard.unsepulcheredAlternative form of unsepulchred.unsequencableMisspelling of unsequenceable.unsequesteredThat has not been separated.unseriousnessThe state or quality of being unserious.unserviceableUnusable; of no use.unserviceablyIn an unserviceable manner.unservicelikeNot characteristic of the naval service; unseamanlike.unsettlednessThe quality of being unsettled.unshakabilityThe quality or state of being unshakable.unshapelinessQuality of being unshapely.unsharpenableUnable to be sharpened.unshatterableNot shatterable; that cannot be shattered.unshelterableNot shelterable.unshipwreckedNot shipwrecked.unshortenableNot shortenable.unshowmanlikeNot showmanlike.unshrinkinglyWithout shrinking; courageously.unshuffleable(rare) Incapable of being shuffled.unsightlinessThe state of being unsightly.unsignifiableThat cannot be signified.unsignificantObsolete form of insignificant.unsilenceableUnable to be silencedunsilenceablyIn a way that cannot be silenced.unsiliconizedNot siliconized.unsingabilityThe quality of being unsingable.unsinkabilityThe quality of being unsinkable.unskepticallyIn an unskeptical way.unskillednessThe quality of being unskilled.unslaughteredNot slaughtered.unsmilingnessThe absence of a smile.unsmotherable(figurative) unquenchableunsociabilityThe state or quality of being unsociable.unsocialisticNot socialistic; contrary to the tenets of socialism.unsoldierlikeNot soldierlike.unsolicitatedAlternative form of unsolicited.unsolicitedlyWithout having been asked or commanded.unsolipsisticNot solipsistic.unsolubilisedAlternative form of unsolubilized.unsolubilizedNot solubilized.unsolvabilityThe property of being unsolvable.unsophisticalNot sophistical.unsorrowfullyIn an unsorrowful manner.unsoundnessesplural of unsoundnessunspaceworthyNot spaceworthy; unfit for a space voyage.unsparingnessThe state of being unsparing.unsparrowlikeNot like a sparrow in form or behaviour.unspecialisedAlternative spelling of unspecialized.unspecializedHaving no speciality, or particular purpose.unspecifiableUnable to be specified.unspecifiablyIn a way that cannot be specified.unspecificityThe quality of not being specific.unspecifiedlyIn a way that is not specified.unspectacularNot spectacular.unspeculatingNot speculating.unspeculativeNot speculative.unspirantizedNot spirantized.unspirituallyIn an unspiritual manner.unspoilednessThe state or condition of being unspoiled.unsponsorableUnable to be sponsored.unspontaneityThe quality of not being spontaneous.unspontaneousNot spontaneous; halting or rehearsedunsportsmanlyNot sportsmanly; not befitting a sportsman.unspotlightedNot spotlighted.unspottednessAbsence of stains or blots; freedom from sin.unsprinkleredNot fitted with automatic sprinklers for fire prevention.unsqueamishlyIn an unsqueamish manner.unstainednessThe quality of being unstained.unstartlinglySo as not to startle; unsurprisingly.unstatelinessThe state or condition of being unstately.unstatesmanlyNot statesmanly.unstatisticalNot statistical.unstaunchableIncapable of being staunched, unstoppable.unsteadfastlyIn an unsteadfast manner.unstereotypedNot stereotyped (made into a stock character).unstigmatisedAlternative form of unstigmatized.unstigmatizedNot stigmatized.unstimulatingThat does not stimulateunstimulatoryNot stimulatory.unstomachableNot stomachable; distasteful to the point that it cannot be accepted.unstrangenessThe state or condition of being unstrange; ordinariness.unstreamlinedNot streamlined.unstressfullyIn an unstressful manner; without stress.unstretchableThat cannot be stretched.unstudentizedNot studentizedunstudiednessThe quality of being unstudied; spontaneity; unaffectedness.unstumblinglyWithout stumbling.unstylishnessThe state or condition of being unstylish.unsubduednessThe state or quality of being unsubdued.unsubjectableThat cannot be subjected to something.unsubjectlikeNot subjectlike.unsubmergibleNot submergible.unsubmersibleNot submersible.unsubmittableUnsuitable for submission; not good enough to be submitted.unsubordinateNot subordinate.unsubscriptedNot subscripted.unsubservientNot subservient.unsubstantial(archaic) Insubstantial.unsubstantive(grammar) Not having the form of a noun.unsubstitutedNot substitutedunsubvertableAlternative form of unsubvertible.unsubvertibleThat cannot be subverted.unsucceedable(obsolete, rare) Not able or likely to succeed.unsuccourableAlternative form of unsuccorable.unsufficienceObsolete form of insufficiency.unsufficiencyObsolete form of insufficiency.unsuffocatingpresent participle and gerund of unsuffocateunsuggestableNot suggestable.unsuggestibleNot suggestible.unsuitabilityThe quality of being unsuitable.unsulliednessThe state or quality of being unsullied.unsulphonatedAlternative form of unsulfonated.unsulphureousNot sulphureous.unsulphurizedNot sulphurized.unsuperficialNot superficial.unsuperfluousNot superfluous.unsuperheatedNot superheated, not fitted with a superheater.unsuperlativeNot superlative.unsupplicatedNot supplicated.unsupportableNot able to be supported or endured.unsupportablyin an unsupportable mannerunsupportedlyWithout support.unsuppressiveNot suppressive.unsuppurativeNot suppurative.unsurpassableNot surpassable; unable to be surpassed.unsurpassablyIn a way that cannot be surpassed; unbeatably.unsurpassedlyIn a manner that is unsurpassed.unsurprisableNot surprisable.unsurprisedlyIn an unsurprised manner.unsurrenderedNot surrendered.unsusceptibleNot susceptible.unsuspectableNot suspectable.unsuspectablySo as to be beyond suspicion.unsuspectedlyIn a manner not previously suspected.unsuspectibleAlternative form of unsuspectable.unsuspenderedNot wearing suspenders.unsuspensefulLacking excitement; anticlimactic; not suspenseful.unsustainableNot sustainable.unsustainablyIn an unsustainable mannerunswallowableNot swallowable.unsycophanticNot sycophantic.unsyllogisticNot syllogistic.unsymmetricalNot symmetrical.unsymmetrisedMade unsymmetricalunsymmetrizedNot symmetrized.unsympatheticNot sympathetic; ill-disposedunsympathizedNot sympathized (with).unsympathizerOne who is unsympathetic.unsymphoniousNot symphonious.unsymptomaticNot symptomatic.unsynchronousNot synchronousunsyntacticalHaving incorrect syntax.unsynthesisedAlternative spelling of unsynthesized.unsynthesizedNot synthesized.untabernacledWithout a tabernacle.untabulatableNot capable of being tabulated.untactfulnessThe quality of being untactful; absence of tact.untaintednessThe quality of being untainted.untamablenessQuality of being untamable.untameabilityThe state or condition of being untameable.untantalizingNot tantalizing.untarnishableNot tarnishable.unteacherlikeNot teacherlike.untechnicallyIn an untechnical manner.untelegraphedNot telegraphed.untelevisableNot televisable; unsuitable for television.untellabilityThe quality of being untellable; inability to be told.untemperatelyObsolete form of intemperately.untempestuousNot tempestuous.untemporizingNot temporizing.untenablenessThe quality of being untenable.untendentiousNot tendentious.untermenschenplural of untermenschunterminatingThat does not terminate.unterrestrialNot terrestrial.unterrifiableThat cannot be terrified.unterrifiedlyIn an unterrified manner.unterritorialNot territorial.untessellatedNot tessellated.untestabilityThe quality of being untestable.untextualisedAlternative spelling of untextualized.untextualizedNot textualized.untheologicalNot theological.untheoreticalNot theoretical.untheorizableNot theorizable.untherapeuticNot therapeutic.unthermalizedNot thermalizedunthoughtedlyWithout forethought.unthreateningNot threateningunthresholdedNot thresholdedunthriftinessThe quality of being unthrifty.untitillatingNot titillating.untouchednessThe quality of not having been touched.untrademarkedNot trademarked.untraditionalNot traditional; departing from tradition.untrafficableNot trafficable.untrainednessThe quality of being untrained.untranquilityLack of tranquility; the condition of being untranquil.untranquilize(transitive) To make untranquil; to disturb the calmness of.untranscendedNot transcended.untranscribedNot transcribed.untransfectedNot transfected.untransferredThat has not been transferred.untransformedNot transformed; free of any transformationuntransitableNot transitable.untransmittedThat has not been transmitted.untransparentNot transparent.untransportedNot transported.untraumatisedAlternative spelling of untraumatized.untraumatizedNot traumatized.untravellable(of a political region, geographical terrain, road, etc.) Unsuitable for or hostile to travel; incapable of being journeyed over or upon.untraversableThat cannot be traversed.untreacherousNot treacherous.untreasonableNot treasonable.untremblinglyWithout trembling; courageously.untrespassingNot trespassing.untriacontane(organic chemistry) Any of very many isomers of the aliphatic hydrocarbon having thirty-one carbon atoms, but especially n-untriacontane CH₃(CH₂)₂₉CH₃untriggerableThat cannot be triggered.untrimmedness(rare) The quality of not being trimmed.untrinitarianNot Trinitarian.untrivializedNot trivialized.untroddennessThe quality of being untrodden.untroublesomeNot troublesome.untrustednessThe state of not being trusted.untrustworthyNot deserving of trust; unreliable.untrypsinisedNot trypsiniseduntrypsinizedNot trypsinizeduntuberculateNot tuberculate.untunableness(now rare) The quality of not being tuneful.untunefulnessLack of tunefulness.unturnoffableThat cannot be turned off.unturpentinedNot turpentined.untutorednessLack of education; ignorance.ununanimouslyIn an ununanimous manner; without universal agreement.ununiformnessQuality of being ununiform.unupholsteredNot upholstered.unuprightnessThe quality of being unupright.unvacillatingNot vacillating; firm, decided.unvalidatableIncapable of being validated.unvarnishedlyIn an unvarnished manner.unvaryingnessThe quality of being unvarying.unvicariouslyIn an unvicarious manner.unvintageable(poetic) Not fit to drink.unvirtualized(computing) Not virtualized.unvitrescibleNot vitrescible.unvitrifiableNot vitrifiable.unvolatilizedNot volatilizedunvoluntarily(rare) Alternative form of involuntarily: not voluntarily, forcedly.unvolunteeredNot volunteered.unvoyeuristicNot voyeuristic.unwainscottedNot wainscotted.unwaistcoatedWithout a waistcoat.unwakefulnessThe property of being unwakeful.unwarlikenessThe quality of being unwarlike.unwarrantableNot warrantable; indefensible; not vindicable; not justifiableunwarrantablyIn an unwarrantable manner; in a manner that cannot be justified.unwarrantedlyIn an unwarranted manner; without warrant; unjustifiably.unwaterloggedNot waterlogged.unwatermarkedNot watermarked.unweariednessThe quality of being unwearied.unweatherwiseNot weather-wise.unwelcomenessThe state or condition of being unwelcome.unwelcominglyIn an unwelcoming way.unwesternisedAlternative form of unwesternized.unwesternizedNot westernized.unwhisperableUnable to be whispered; too sacred, terrible, etc. to be mentioned; unspeakable.unwhistleableNot whistleable.unwhitelistedNot whitelisted.unwhitewashedNot having been whitewashed.unwholesomelyIn an unwholesome manner.unwholsomnessObsolete form of unwholesomeness.unwieldlinessAlternative form of unwieldiness.unwillfulnessAlternative spelling of unwilfulness.unwillingnessThe property of being unwilling.unwinnabilityThe quality of being unwinnable.unwishfulness(very rare) The state or condition of being unwishful.unwithdrawingThat does not withdraw.unwitnessableIncapable of being witnessed; unobservable.unwittingnessQuality of being unwitting.unwomanlinessThe state or condition of being unwomanly.unwonderinglyWithout wondering.unworkabilityThe quality or state of being unworkable, lack of workability.unworkmanlikeNot workmanlike.unworldlinessThe characteristic of being unworldly.unworriednessThe quality of being unworried.unworshipableThat cannot be worshiped.unworshippingNot taking part in worship.unwrinkleableNot wrinkleable.unwrittennessThe quality of being unwritten.unzealousnessThe quality of being unzealous.upconcentrateTo increase the concentration of one component of a mixtureupdateabilityThe quality of being updateable.upgradability(computing, of electronic equipment) Capability of being improved in functionality by the addition or replacement of components.upliftingnessThe quality of being uplifting.uploadabilityThe property of being uploadable.upperclassman(US, education) A junior or senior student in a school or college.upperclassmenplural of upperclassmanupregulatableThat can be upregulateduprighteouslyin an uprighteous or just manneruproarishnessThe state, quality, or condition of being uproarish.upscalabilityThe condition of being upscalable.upsettingnessThe quality of being upsetting.upstreamwardsIn an upstream direction.urachovesical(anatomy) Relating to the urachus and the urinary bladder.uralitisationAlternative form of uralitization.uralitization(geology) The change of pyroxene to amphibole by paramorphism.urancalcarite(mineralogy) An orthorhombic bright yellow mineral containing calcium, carbon, hydrogen, oxygen, and uranium.uranmicrolite(mineralogy) An isometric-hexoctahedral mineral containing calcium, hydrogen, niobium, oxygen, tantalum, and uranium.uranographistAlternative form of uranographer.uranometricalAlternative form of uranometric.uranospathite(mineralogy) An orthorhombic-pyramidal mineral containing aluminum, fluorine, hydrogen, oxygen, phosphorus, and uranium.urbanologicalRelating to urbanology.urchinivorous(biology) That eats sea urchinsurediniospore(botany) A spore produced by a urediniumuredinologistOne who studies uredinology.ureohydrolase(biochemistry) Any of various hydrolase enzymes involved in arginine/agmatine metabolism, the urea cycle, histidine degradation, and other pathways.ureolyticallyIn a urealytic manner.ureosecretoryRelating to the secretion of urea.ureterography(medicine) Diagnostic imaging of the ureter.ureteropelvic(anatomy, medicine) Relating to the ureter and renal pelvis.ureteroscopicRelating to a ureteroscope or to ureteroscopyuretherostomy(surgery) An incision into the urethra to allow for drainage.urethrographyThe diagnostic imaging of the urethra.urethropenile(anatomy) Relating to the urethra and penis.urethroplasty(surgery) Surgery involving the repair of the urethra.urethrorectal(medicine) Pertaining to the urethra and rectum.urethrorrhoeaAlternative form of urethrorrhea.urethroscopicRelating to urethroscopy.urethrosexual(anatomy) Relating to the urethra and the sex organs.urethrotropicThat concentrates in the urethrauretroentericMisspelling of ureteroenteric.uricacidaemiaAlternative form of uricacidemia.uridylylation(biochemistry) reaction with uridylic acidurinocentesisThe aspiration of urine from the bladder for analysisurobilinaemiaAlternative form of urobilinemia.urodynamicistA specialist in urodynamicsuroepithelialRelating to the uroepithelium.uroepitheliumSynonym of urothelium.uroflowmetricRelating to uroflowmetry.urogynecologyA surgical subspecialty of urology and gynecology.uropathogenicThat causes uropathy.uroperitoneumThe presence of urine in the peritoneal cavityuroprotectionprotection of the urinary tracturoprotectiveThat protects the urinary tract (typically, from urotoxicity)urosepticemia(medicine) Septicemia of urological origin.urosonographysonography of the urinary tracturuguaysuchidAny crocodyliform of the family †Uruguaysuchidae.ustilagineousRelating to the ustilago fungus.uterocervicalRelating to the uterus and cervix.uterorelaxantThat inhibits uterine contractionsutfangenethefAlternative form of outfangthief.utilisabilityAlternative form of utilizability.utilitarianlyIn a utilitarian manner; practically; functionallyutilitaristicRelating to utilitarianismutilizabilityThe condition of being utilizableutriculofugalThat is displaced away from the utricleutriculopetalThat is displaced towards the utricleutterablenessThe quality of being utterable.uveoparotitisA chronic inflammation of the parotid gland and uvea, a symptom of sarcoidosis.uveoretinitisinflammation of the uvea and retina of the eyeuvulariaceous(botany, relational) Of or relating to the Uvulariaceae.uxorilocalityThe quality of being uxorilocal.
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