Synonyms: words starting with U
378 words starting with U that have a synonyms page, each shown with its closest synonyms.
- ughew, yuck, ick
- uglifydisfigure, minify, deface
- uglyhideous, unsightly, bad
- UkrainianLittle Russian, Malo-Russian, Ruthenian
- uliginousboggy, lubricous, slimish
- ultimatelast, final, maximum
- ultimatelyfinally, essentially, lastly
- ultramontanetransmontane, ultramontanist, curialist
- ultramontanismRomism, curialism, Vaticanism
- ululationkeen, wailing, baying
- umbrageoffense, annoyance, displeasure
- umbrellaparapluie, brelly, chatta
- unabashedabashless, composed, obvious
- unadornedsimple, plain, severe
- unafraidintrepid, fearless
- unaggressivepacific, non-violent, peaceful
- unalikeother, unlike, dissimilar
- unallowedbanned, illegal, prohibited
- unalloyedout-and-out, pure, crude
- unambiguousunequivocal, monosemous
- unamusedoff-putting, humorless
- unamusingunfunny, nonfunny, humorless
- unanxioushappy-go-lucky, laid-back, devil-may-care
- unapparentunseen, inconspicuous, sightless
- unappreciatedgood-for-nothing, worthless, vain
- unapproachabledistant, touch-me-not-ish, aloof
- unawareoblivious, clueless, unthinking
- unbalancedimbalanced, ill-disposed
- unbecomingunsuitable, unfit, indecent
- unbelievableincredible, noncredible
- unbendingdistant, touch-me-not-ish, aloof
- unbiasedfair-minded, objective, neutral
- unbigotedfair-minded, objective, neutral
- unbotheredhappy-go-lucky, laid-back, devil-may-care
- unbottomedlimitless, unbounded, bottomless
- unboxundo, unpack, uncase
- unbrokenwild, continuous, undivided
- unbusypassive, unemployed, idle
- uncalculatingrighteous, pure, blameless
- uncaringindifferent, world-weary, uninterested
- unchangingstatic, stationary, changeless
- uncheckableuntickable, unverifiable, unconfirmable
- uncheerfuldepressed, miserable, unhappy
- uncircumcisednatural, foreskinned, intact
- uncivilbrutal, savage, barbarian
- uncivilizedbrutal, barbarian, barbaric
- uncleeme, uncleji, eam
- uncleandirty, foul, grubby
- uncloakexpose, decloak, uncover
- uncloudedclear, cloudless, noncloudy
- unclubbablereclusive, unsociable, antisocial
- uncomicuncomical, unfunny, humorless
- unconcernedhappy-go-lucky, laid-back, indifferent
- unconformitynonconformity, noncompliance
- unconnectedunimportant, arbitrary, betwixt and between
- unconscionableimmoral, excessive
- unconsciousout, senseless, oblivious
- unconsecratedtemporal, mundane, earthly
- unconventionalityeccentricity, nonconformity, quirkiness
- unconvincinglimp, flimsy, tenuous
- uncoolbanal, basic, mindless
- uncountablecountless, non-count, untold
- uncouthbarbaric, impolite, rough
- uncoverexpose, doff, uncloak
- uncreativeunoriginal, unimaginative, uninventive
- uncrowndethrone, decrown, discrown
- unctuousoleaginous, mellowy
- uncultivatedbrutal, barbarian, barbaric
- unculturedbrutal, barbarian, barbaric
- uncuriousincurious, noncurious
- uncutforeskinned, intact, natural
- undatableblue-baller, AFC, incel
- undecidedambivalent, irresolute
- undecipherableinexplicable, unknowable, illegible
- undeckedsimple, plain, severe
- undefeatableinvincible, insurmountable, unconquerable
- undeifydisdeify, ungod, euhemerize
- undelightill-being, depression, misery
- undemonstrativedistant, touch-me-not-ish, aloof
- underbelow, underneath
- undercooksubcook, subchef, underchef
- underdounderachieve, half-ass, shortchange
- underdoglittle guy, rank outsider, bottom dog
- underestimatede-emphasize, downplay, belittle
- undergotake, brook, endure
- undergroundsubway, resistance
- underhandunderarm, sneaky, underhandedly
- underhandedunderstaffed, backhanded, sneaky
- underhandednesstrickery, deceit, dissimulation
- underleasesubletting, sublease, subtenancy
- underletsublet, sublease, underlease
- undernsext, terce, noon
- underplayde-emphasize, underestimate, downplay
- underrateunderstate, underapproximate, underguess
- understandperceive, comprehend, grasp
- understandableapprehensible, acceptable, excusable
- understatede-emphasize, underestimate, downplay
- undertakingactivity, venture, enterprise
- undertenancysubletting, sublease, underlease
- undertideundercurrent, undern, 9 a.m.
- undertoneunderhue, de-emphasize, downplay
- underwatersubmarine, subaqueous
- underwearlingerie, undergarment, underclothes
- undesigningartless, callow, childlike
- undevelopedrudimentary, rough, unrefined
- undiesBVDs, drawers, gotchies
- undissembledobvious, evident, bait
- undocancel, reverse, unbuckle
- undoneovercome, beaten, defeated
- undoubtedlyindubitably, undoubtably
- undressdisrobe, denude, despoil
- undueexcessive, extreme, lavish
- uneasyanxious, restless, unquiet
- unembellishedsimple, plain, severe
- unemotionalclinical, dispassionate, impassive
- unemployedold-fashioned, elderly, passive
- unemploymentjoblessness, worklessness
- unenthusedunenthusiastic, noncommittal
- unenthusiasticindifferent, cool, world-weary
- unescapablenatural, inescapable, inexorable
- unethicalimmoral, ungodly, iniquitous
- unexceptionalstandard, average, usual
- unexcitedstill, pacific, laid-back
- unfairunjust, inequitable
- unfaithfuldouble-dealing, double-crossing, double-faced
- unfaithfullyfalse, dastardly, treacherously
- unfamousunnoticed, unsung, nameless
- unfashionableold-fashioned, outmoded, unhip
- unfathomablesoundless, unplumbable
- unfencedfree-range, fenceless, undefended
- unfilledvoid, vacant, vacuous
- unfitbad, unsuitable, inept
- unflaggingindefatigable, untiring, unwearying
- unflappablecollected, even-keeled, phlegmatic
- unfledgedfeatherless, apteric, unfeathered
- unfocusedfuzzy, blurry, out of focus
- unforgettablememorable, rememberable, remembersome
- unfortunatelysadly, unluckily, regrettably
- unfortunatenessadversity, mishap, mischance
- unfoundedbaseless, unproven, unsubstantiated
- unfrienddefriend, nonfriend, non-friend
- unfunnyhumorless, unamusing, nonfunny
- ungarnishedsimple, plain, severe
- ungentlerough, cruel, harsh
- ungenuineingenuine, fake, false
- unglorifiedunnoticed, unsung, nameless
- ungloriousunnoticed, unsung, nameless
- ungoddisdeify, atheize, agnosticize
- ungodlinesswickedness, immorality, impropriety
- ungodlyabandoned, wicked, black-hearted
- unguiltyrighteous, pure, blameless
- unhallowedprofane, impure, impious
- unhappinessill-being, depression, misery
- unhappysad, depressed, miserable
- unharmedunhurt, unscathed, uninjured
- unhipold-fashioned, outmoded, démodé
- unholyprofane, impure, impious
- unhonoredunnoticed, unsung, nameless
- unhumoroushumorless, mirthless, laughless
- unhystericalhumorless, mirthless, laughless
- unicityunity, uniqueness, distinctiveness
- unicornrarity, monoceros, black swan
- unificationunifying, uniting, union
- uniformregular, consistent, homogeneous
- uniformityconformity, homogeneity
- uniformlyalways, consistently, invariably
- unimaginativeunoriginal, uncreative, uninventive
- unimportantslight, negligible, vain
- unimpressibleindifferent, world-weary, uninterested
- unimpressionabledistant, touch-me-not-ish, aloof
- uninflammablenoninflammable, unflammable, fireproof
- uninhabiteddesert, vacant, deserted
- uninitiatedexoteric, uninformed, noninitiate
- uninspiringaverage, mediocre, ordinary
- unintelligentsheep-headed, dull-minded, bullet-headed
- unintentionalcasual, unintended, unplanned
- uninterestedindifferent, world-weary, jaded
- uninvolvedunconcerned, distant, touch-me-not-ish
- unioncoalition, combination
- uniqueone-off, only, singular
- uniquenessdistinctiveness, unicity, uniquity
- uniquityuniqueness, distinctiveness, unicity
- unisexgender-neutral, unisexual, epicene
- unitunity, unit of measure, unit of measurement
- unitarianmonotheist, unipersonalist, Arian
- Unitarian UniversalistUU, UUer, UUist
- United StatesianUnited Statian, US-American, Usonian
- unityunion, oneness, unicity
- universal jointU-joint, universal coupling, Cardan joint
- universitycollege, academy, varsity
- univocalunambiguous, definite, undoubtable
- unjustifiableunjustified, unpardonable, excessive
- unkemptshabby, dishevelled, slovenly
- unkingdepose, dethrone, discrown
- unknowablemysterious, inexplicable, obscure
- unknowledgeableignorant, unwitting, uncultured
- unknownstrange, unidentified, unexplained
- unlawlawlessness, malefaction, crime
- unlawfulcriminal, illegal, outlawed
- unlawfullyillegally, criminally, illicitly
- unlawfulnesscrime, lawlessness, criminality
- unleadedlead-free, nonleaded
- unlearnednatural, congenital, unwitting
- unlimitedinfinite, endless, everlasting
- unlinedsmooth, unmarred, unmarked
- unlivelydepressed, miserable, unhappy
- unloadoffload, download
- unlooseunloosen, disengage, loose
- unluckadversity, mishap, mischance
- unluckinessadversity, mishap, mischance
- unluckyunfortunate, ill-fated, peak
- unmannerlydiscourteous, impolite, rude
- unmarkedoverlooked, anonymous, undercover
- unmatchedonly, unique, singular
- unmercifulfell, brutal, malicious
- unmerrydepressing, grim, melancholy
- unmirthfulhumorless, mirthless, jokeless
- unmixaffine, demix, fine
- unmodifiablenonmodifiable, unchangeable, fixed
- unmovablestuck, fixed, lifeless
- unmovedstill, stock-still, lifeless
- unmovingstill, stock-still, stationary
- unnamedunknown, unidentified, anonymous
- unnecessarilypointlessly, unduly
- unnecessaryneedless, superfluous, additional
- unnotedunnoticed, unsung, nameless
- unnoticedunsung, nameless, unnoted
- unnumberableuncountable, unnumbered, numberless
- unnumbereduncountable, numberless, unnumberable
- unobtrusivelow-profile, obscure, discreet
- unoccupieddesert, vacant, deserted
- unoftenseldom, infrequently
- unoriginalunimaginative, uncreative, uninventive
- unornamentedsimple, plain, severe
- unorthodoxheretical, heterodox, inorthodox
- unpalatabledistasteful, rough
- unpardonableunforgivable, unjustifiable, inexcusable
- unpartisanfair-minded, objective, neutral
- unpeopleddesert, vacant, deserted
- unpermittedbanned, illegal, prohibited
- unpigmentednonpigmented, undyed, uncolored
- unpitifulremorseless, spiteful, unpitying
- unpityingfell, brutal, malicious
- unpleasantgross, disgusting, nasty
- unpolishedimpolite, gauche, rough
- unpopulateddesert, vacant, deserted
- unprejudicedfair-minded, objective, neutral
- unprepossesseddisinterested, objective, candid
- unpreventablenatural, inescapable, inexorable
- unprocessedpure, crude, natural
- unprovenunfounded, unsubstantiated, groundless
- unpurposedunwitting, aimless, unintended
- unqualifiedineligible, nonqualified, undescribed
- unraveluntangle, disentangle, ravel
- unreadablenessillegibility, indecipherability, inscrutability
- unrefinedpure, crude, natural
- unrelentingrelentless, brutal, unyielding
- unremarkablestandard, average, usual
- unrenownedglorious, unnoticed, unsung
- unrepentantimpenitent, unreformed
- unrestrainedexcessive, extreme, undue
- unriddlesolve, resolve, riddle
- unruffledcool-headed, placid, calm
- unsafeprecarious, wobbly, rickety
- unsalvableunsalvageable, unsavable, irreparable
- unsalvageableunsavable, unsalvable, irreparable
- unsanctifiedtemporal, mundane, earthly
- unsatisfactoryinadequate, lean, poor
- unsavableunsalvageable, unsalvable, unrescuable
- unsayableunutterable, inexpressible
- unseasonablenessintempestivity, untimeliness
- unseatdepose, oust, overthrow
- unseeableinvisible, unseen, inconspicuous
- unseemlinesswickedness, immorality, impropriety
- unseemlyindecorous, unbecoming, immorally
- unseeninconspicuous, inexperienced, sightless
- unseldomoften, unoften, repeatedly
- unsellableunsaleable, unmarketable
- unsentimentalclinical, dispassionate, unemotional
- unseriousnonserious, facetious, flippant
- unsettlebother, disturb, agitate
- unshodshoeless, barefooted
- unskilledmiserable, bad, unskillful
- unsnarlunravel, disentangle
- unsophisticatedsimple-minded, simple, innocent
- unspeakableineffable, unutterable, inexpressible
- unspokenimplicit, unsaid
- unstablewobbly, unsteady, tottering
- unsteadfastdouble-dealing, double-crossing, double-faced
- unsteadyprecarious, variable, erratic
- unsubstantialairy, aery, ethereal
- unsubstantiatedunfounded, unproven, groundless
- unsuitablebad, improper, unfit
- unsungunnoticed, nameless, unnoted
- unsupportedunfounded, baseless, unproven
- unsurpassedunparalleled, unrivaled, unequalled
- unsweetunsweetened, nonsweet, unsugared
- unsympatheticsevere, cold-eyed, grim
- untamedsavage, feral, tameless
- untangleunravel, ravel, tangle
- untenableunsustainable, unholdable, indefensible
- untenanteduninhabited, vacant, beingless
- unthinkableinconceivable, incredible
- untidyslovenly, dishevel, disorderly
- untiltill, afore, before
- untimelinessintempestivity, unseasonability, unseasonableness
- untimelyill-timed, inopportune, early
- untiringtireless, indefatigable, unflagging
- untouchedvirgin, unscathed, indifferent
- untowardinconvenient, troublesome, disadvantageous
- untrendydémodé, passé, unchic
- untrimmedsimple, plain, severe
- untruewrong, false, double-dealing
- untrustworthyinaccurate, unreliable, insincere
- unusedisuse, superannuation, desuetude
- unusedmint, new
- unusefulinutile, unusable
- unusualstrange, odd, extraordinary
- unusualityoddity, abnormality, remarkableness
- unusualnessfreak, oddity, remarkableness
- unutterableunspeakable, ineffable, nameless
- unvaluablejunky, nonvaluable, two-bit
- unvariedregular, uniform, monotonous
- unvarnishedplain, simple, austere
- unvaryingstatic, regular, uniform
- unveilreveal, expose, show
- unwaterdry, dehydrate, dessicate
- unwaveringtough-minded, strong-handed, unshakable
- unweariedenergetic, untired, indefatigable
- unwearyingindefatigable, untiring, unflagging
- unwellailing, infected, disease-ridden
- unwisefoolish, mad, imprudent
- unwittinguncultured, unlearned, unintentional
- unworkableunusable, infeasible
- unworriedhappy-go-lucky, laid-back, devil-may-care
- unyieldingtough, rigid, adamant
- unzealousindifferent, world-weary, uninterested
- up yoursfuck off, fuck you, get fucked
- up-to-dateinformed, apprised
- upbeatpickup, unaccented beat, anticipatory note
- upbraidcondemn, blame, rebuke
- upland sandpiperBartram's sandpiper, Bartramian sandpiper, grass plover
- uplandishferal, untamed
- upliftpromote, advance, honor
- uppermosttopmost, upmost
- uppityarrogant, vain, cocky
- uprightnessintegrity, honor, decency
- uproarioushilarious, tumultuous, laugh-out-loud
- uprootunroot, rout, deracinate
- upsetunhappy, bother, grieve
- upshotconclusion, bottom line, consequence
- upside downunderwater, bottom-upwards, topsy-turvy
- upspringjump, spring, spring up
- upstageairy, arrogant, chesty
- upturnincrease, uptick, improvement
- upwardup, cloudward, cloudwards
- uranichomosexual, like that, queer
- UranusOuranos, Caelus
- UrduHindustani, Rekhta, Lashkari
- urgeencourage, stimulate, push
- urgentpressing, dire, bad
- urgentlypersistently, persuasively, imperatively
- urinalprivy, chamber, chamber pot
- urinaryuretic, chamber, chamber pot
- urinary bladderbladder, vesica, urocyst
- urinatemicturate, break the seal, hit the head
- urinationwee-wee, call of nature, emiction
- urinewee-wee, water, lant
- useapply, employ, utilise
- usefulhandy, purposive, noteful
- uselessvoid, unutilizable, unusable
- usernameaccess, handle, identity
- usualstandard, normal, general
- usuallygenerally, mostly, normally
- usurioussky-high, exorbitant, disproportionate
- utilityservice, usefulness, value
- utopianvisionary, utopic, unrealistic
- utterbabble, chatter, jabber
Source and license
Synonyms and antonyms adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped them by meaning and gave each word its own synonyms page. Wiktionary data of 2026-09-02.
Cite this page: “Synonyms for Words Starting with U.” Word.ws, https://word.ws/synonyms/a-z/u. Based on Wiktionary, CC BY-SA 4.0.