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Thesaurus — Synonyms & antonyms

Find synonyms and antonyms for any English word. Our free thesaurus ranks related words by how commonly they're actually used, so you find the right word faster — not just a long list.

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“U” Words

unholy
common, impious, impure, mishallowed, profane
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uni
university, college
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unicorn
mythical beast, one-horned horse, rarity, billion-dollar startup
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unicycle
monocycle
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unidentified
unknown, unnamed, anonymous, unrecognized, unclassified
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unification
union, fusion, merger, uniting, jointure
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unified
united, combined, consolidated, integrated, merged
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uniform
consistent, even, unvarying, identical, regular
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unify
mix, unite, merge, mingle, commix
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unilateral
one-sided
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unimaginably
unthinkably
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unimportant
insignificant
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uninhabited
beingless, desert, deserted, desolate, disinhabited
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unintentionally
accidentally
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uninterrupted
continuous
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union
trade union, labor union, workers' union, organized labor, labor organization
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unique
one-of-a-kind, distinctive, alone, azygous, incomparable
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uniquely
distinctively, singularly, exceptionally, individually
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uniqueness
singularity
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unit
component, module, part, element, piece
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unite
merge, combine, unify, consolidate, coalesce
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united
unified, joined, combined, allied, unanimous
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uniting
union, merger, unification, jointure, conjugation
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unity
togetherness, solidarity, cohesion, oneness, harmony
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universal
general, worldwide, global, common, shared
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universally
globally, unanimously, across the board, without exception
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universe
cosmos, space, creation, the heavens, macrocosm
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university
institution, school, higher education institution, academy, college
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unjust
unfair, inequitable
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unknowingly
inadvertently, unwittingly
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unknown
unfamiliar, unidentified, undiscovered, obscure, mysterious
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unlawful
illegal, illicit, criminal, prohibited, against the law
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unleash
loose, let loose
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unless
except if, if not, except when, barring
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unlike
different from, in contrast to, dissimilar to, as opposed to, contrary to
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unlikely
improbable, doubtful, implausible, far-fetched, dubious
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unlimited
boundless, limitless, endless, infinite, unrestricted
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unload
drop, discharge, offload, unlade, drop off
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unlock
unfasten, unlatch, unbolt, unbar, release
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unlocked
open, unbolted, unsecured, unfastened, carrier-free
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unlucky
jinxed, cursed, hard done by, hapless, down on one's luck
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unmanned
remote-controlled
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unmarried
single
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unmask
uncloak
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unmoved
untouched, unaffected
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unnamed
unlisted, undesignated, anonymous, innominate, nameless
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unnatural
contranatural
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unnecessary
needless, superfluous, redundant, excessive, dispensable
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unofficial
informal, unsanctioned, unauthorized, unendorsed, grassroots
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unofficially
on the side
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unpack
take out
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unpaid
outstanding, owing, due, voluntary, gratis
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unpatriotic
disloyal
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unplanned
accidental
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unpleasant
disagreeable, distasteful, unsavory, off-putting, displeasing
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unplug
disconnect
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unpopular
disliked, unloved, unwanted, out of favor, shunned
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unprecedented
unheard of, unparalleled, novel, groundbreaking, unmatched
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unpredictability
volatility, capriciousness
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unpredictable
erratic, volatile, fickle, capricious, chancy
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unproven
unproved
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unqualified
incompetent
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unquestionably
definitely, decidedly, emphatically, in spades, by all odds
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unreal
surreal, illusory, fantastical, dreamlike, imaginary
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unrealistic
impractical, far-fetched, implausible, idealistic, unfeasible
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unreasonable
excessive, unfair, unjustifiable, immoderate, impractical
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unrelated
unconnected, unlinked, irrelevant, disconnected, separate
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unreliable
undependable
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unresolved
unsolved
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unresponsive
nonresponsive
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unrest
turmoil, turbulence, disquiet, upheaval, strife
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unsafe
hazardous, risky, perilous, precarious, insecure
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unsanitary
insanitary, unhealthful
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unsavory
offensive, unsavoury
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unscramble
decipher, solve, untangle, sort out, disentangle
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unsealed
uncertain
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unsecured
loose
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unseen
hidden, concealed, unnoticed, unobserved, invisible
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unskilled
amateurish, backwards, bad, bungling, clumsy
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unsolved
unresolved
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unspoken
unwritten, implicit
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unstable
shaky, precarious, volatile, insecure, erratic
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unsteady
rickety, shaky, irregular, unstable, erratic
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unsuccessful
failed, fruitless, unproductive, futile, abortive
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unsure
uncertain, doubtful, hesitant, undecided, tentative
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unsympathetic
unappealing, unlikable, unlikeable
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untalented
talentless
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untamed
wild
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untangle
disentangle, feeze, tease out, unravel, unsnarl
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untidy
disorderly, slovenly
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untie
unfasten
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until
up until, up till, before, pending, till
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untimely
untimeless, ill-timed, intempestive, inopportune, mistimed
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unto
to, toward, towards
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untouchable
Harijan
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untouched
unaffected, unmoved
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untreatable
incurable, inoperable, irremediable, unmanageable, intractable
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untrue
counterfactual, erroneous, fallacious, false, fictitious
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untrustworthy
untrusty
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untying
undoing, unfastening
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unused
unaccustomed, idle, untouched, fresh, unfamiliar
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unusual
uncommon, rare, strange, odd, atypical
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unusually
exceptionally, remarkably, strikingly, atypically, abnormally
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unveil
reveal, uncover, bring out
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unveiled
revealed, disclosed, exposed, launched, introduced
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unveiling
entry, introduction, debut, launching, first appearance
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unwanted
undesired, unsought, unrequested, excess, surplus
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unwilling
reluctant, disinclined, loath, resistant, hesitant
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unwind
relax, decompress, unlax, unroll, unbend
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unwittingly
inadvertently, unknowingly
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unwrap
break, discover, reveal, expose, disclose
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up
upward, upwards, aloft, skyward, higher
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upbringing
raising, breeding, fostering, nurture, rearing
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upcoming
forthcoming, approaching, imminent, impending, coming
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update
revision, refresh, patch, upgrade, bulletin
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updating
refreshing, revising, upgrading, modernizing, renewing
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upgrade
improvement, enhancement, enhance, boost, modernize
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upgraded
improved, enhanced, modernized, boosted, elevated
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upgrading
improving, enhancing, modernizing, updating
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upheaval
excitement, turmoil, turbulence, agitation, uplift
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uphold
vindicate
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upkeep
care, sustenance, maintenance, sustainment, sustentation
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uplift
upheaval, elate, upthrow, lift up, pick up
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upload
transfer, transmit, send, post
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uploaded
sent, transferred, transmitted, posted, submitted
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upon
on, on top of, atop, over
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upper
higher, top, topmost, uppermost, superior
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uppity
arrogant, conceited, self-important, haughty, snooty
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upright
vertical, erect, perpendicular, standing, honorable
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uprising
revolt, rebellion, insurrection, riot, mutiny
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upriver
upstream
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uproar
hue and cry
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uproot
eradicate, exterminate, root out, extirpate, deracinate
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UPS
put on battery backup, connect to backup power, back up the power
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upset
distressed, troubled, disturbed, unhappy, agitated
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upsetting
distressing, troubling, disturbing, unsettling, heartbreaking
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upshot
issue, result, event, effect, outcome
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upside
advantage, benefit, plus, positive, pro
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upstairs
upper floor
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upstart
arriviste, nouveau riche, parvenu
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upstream
upriver, antecedent, preceding
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uptake
consumption, intake, ingestion
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upward
ascending, climbing, rising, increasing, uphill
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upwards
ascending, climbing, rising, skyward, upward
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ur
er, um, uh, erm, hmm
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uranium
radioactive metal, actinide, nuclear fuel, element 92
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Uranus
⛢, ♅
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urban
city, metropolitan, municipal, built-up, inner-city
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urge
impulse, craving, compulsion, implore, exhort
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urgency
pressing need, haste, imperativeness, immediacy, exigency
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