15-letter words starting with U
Embark on a linguistic journey with words that begin with the letter U. This section showcases how U at the start shapes the identity and sound of various words. From commonly used terms to rare finds, explore the diverse range of words that start with U, enriching your vocabulary and appreciation for language.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| unconditionally | 21 | in an unqualified manner | - |
| unconsciousness | 19 | a state lacking normal awareness of the self or environment | - |
| unintentionally | 18 | without intention; in an unintentional manner | she hit him unintentionally |
| underprivileged | 23 | lacking the rights and advantages of other members of society | - |
| unsophisticated | 23 | not wise in the ways of the world | either too unsophisticated or too honest to promise more than he could deliver |
| unsubstantiated | 18 | unsupported by other evidence | - |
| unsportsmanlike | 23 | violating accepted standards or rules | fined for unsportsmanlike behavior |
| uncommunicative | 26 | not inclined to talk or give information or express opinions | - |
| uncontroversial | 20 | not likely to arouse controversy | - |
| undistinguished | 21 | not special in any way; lacking distinction | - |
| unceremoniously | 22 | in an unceremonious manner | he was dismissed unceremoniously |
| unprecedentedly | 24 | in an unprecedented manner | - |
| unreconstructed | 20 | adhering to an attitude or position widely held to be outmoded | peasants are still unreconstructed small capitalists at heart |
| unselfconscious | 22 | not self-conscious | she grew up with him in unselfconscious friendship |
| underhandedness | 21 | - | - |
| unchallengeable | 23 | not open to challenge | unchallengeable facts |
| uncomprehending | 26 | lacking understanding | tried to explain to her uncomprehending husband |
| unprepossessing | 20 | creating an unfavorable or neutral first impression | - |
| undemandingness | 20 | - | - |
| unconventionals | 20 | - | - |
| uncombativeness | 24 | - | - |
| uncinematically | 24 | - | - |
| undependability | 24 | the trait of not being dependable or reliable | - |
| unchallengingly | 25 | - | - |
| unauthentically | 23 | - | - |
| unattainability | 20 | - | - |
| unspectacularly | 24 | - | - |
| unshapelinesses | 20 | - | - |
| unsentimentally | 20 | in an unsentimental manner | unsentimentally, she threw out her dead son's toys |
| unmanageability | 23 | - | - |
| uninventiveness | 21 | - | - |
| unintellectuals | 17 | - | - |
| uninstructively | 23 | in an uninformative manner | - |
| unideologically | 22 | - | - |
| untactfulnesses | 20 | - | - |
| unthreateningly | 22 | - | - |
| underperformers | 23 | - | - |
| urogynecologist | 22 | - | - |
| urogynecologies | 22 | - | - |
| underdiagnosing | 19 | - | - |
| ubiquitinations | 26 | - | - |
| ultramarathoner | 20 | - | - |
| ultramicrometer | 21 | - | - |
| ultramicroscope | 23 | light microscope that uses scattered light to show particles too small to see with ordinary microscopes | - |
| ultramicroscopy | 26 | - | - |
| ultramicrotomes | 21 | - | - |
| ultramodernisms | 20 | - | - |
| ultramodernists | 18 | - | - |
| ultramontanisms | 19 | - | - |
| ultraliberalism | 19 | - | - |
| ultrafiltration | 18 | - | - |
| ultimogenitures | 18 | - | - |
| ultracentrifuge | 21 | a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins | - |
| ultracommercial | 23 | - | - |
| ultraconvenient | 20 | - | - |
| ultracrepidated | 21 | - | - |
| ultracrepidates | 20 | - | - |
| ultrademocratic | 22 | - | - |
| ultrafastidious | 19 | - | - |
| ultramontanists | 17 | - | - |
| ultrasonography | 24 | using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | - |
| ultrastructural | 17 | - | - |
| unanimousnesses | 17 | - | - |
| unanswerability | 23 | - | - |
| unanticipatedly | 23 | - | - |
| unapostolically | 22 | - | - |
| unappreciations | 21 | - | - |
| unapprehensible | 24 | - | - |
| unascertainable | 19 | not able to be ascertained; resisting discovery | - |
| unashamednesses | 21 | - | - |
| unamiablenesses | 19 | - | - |
| unalterableness | 17 | - | - |
| ultrastructures | 17 | - | - |
| ultravirilities | 18 | - | - |
| unacceptability | 26 | unsatisfactoriness by virtue of not conforming to approved standards | - |
| unaccommodating | 25 | not accommodating | the unaccommodating bus driver pulled out while she was banging on the door |
| unacquaintances | 28 | - | - |
| unadulteratedly | 20 | - | - |
| unadvisableness | 21 | - | - |
| unadvisednesses | 20 | - | - |
| unassailability | 20 | - | - |
| ubiquitarianism | 28 | - | - |
| unspiritualizes | 26 | - | - |
| untamablenesses | 19 | - | - |
| unteachableness | 22 | - | - |
| untenablenesses | 17 | - | - |
| unthinkableness | 24 | - | - |
| unthriftinesses | 21 | - | - |
| untractableness | 19 | - | - |
| untraditionally | 19 | - | - |
| untransferrable | 20 | - | - |
| untaintednesses | 16 | - | - |
| unsymmetrically | 27 | in an asymmetrical manner | - |
| unspottednesses | 18 | - | - |
| unstatesmanlike | 21 | not statesmanlike | unstatesmanlike procedure |
| unsteadfastness | 19 | - | - |
| unsubstantially | 20 | - | - |
| unsuitabilities | 17 | - | - |
| unsuspectedness | 20 | - | - |
| untransmigrated | 19 | - | - |
| untransmissible | 19 | - | - |
| untrustworthily | 24 | - | - |
| unwomanlinesses | 20 | - | - |
| unworkabilities | 24 | - | - |
| unworldlinesses | 19 | - | - |
| upgradabilities | 21 | - | - |
| uterogestations | 16 | - | - |
| utilitarianised | 16 | - | - |
| utilitarianises | 15 | - | - |
| utilitarianisms | 17 | - | - |
| unwittingnesses | 19 | - | - |
| unwillingnesses | 19 | - | - |
| untunablenesses | 17 | - | - |
| untunefulnesses | 18 | - | - |
| unutterableness | 17 | - | - |
| unverifiability | 26 | - | - |
| unweariednesses | 19 | - | - |
| unwelcomenesses | 22 | - | - |
| unwholesomeness | 23 | the quality of being unhealthful and generally bad for you | - |
| unwieldlinesses | 19 | - | - |
| utilitarianized | 25 | - | - |
| unspiritualized | 27 | - | - |
| unpronounceable | 21 | very difficult to pronounce correctly | an unpronounceable foreign word |
| unreconciliable | 21 | - | - |
| unrelentingness | 16 | - | - |
| unreliabilities | 17 | - | - |
| unremittingness | 18 | - | - |
| unrestfulnesses | 18 | - | - |
| unrestingnesses | 16 | - | - |
| unrevolutionary | 21 | - | - |
| unrecommendable | 24 | - | - |
| unrealistically | 20 | in an unrealistic manner | his expectations were unrealistically high |
| unproportionate | 19 | - | - |
| unprotectedness | 20 | the property of being helpless in the face of attack | - |
| unprotestantise | 17 | - | - |
| unprotestantize | 26 | - | - |
| unpunctualities | 19 | - | - |
| unqualifiedness | 28 | - | - |
| unquestioningly | 28 | in an unquestioning manner | he followed his leader unquestioningly |
| unreadabilities | 18 | - | - |
| unrighteousness | 19 | failure to adhere to moral principles | forgave us our sins and cleansed us of all unrighteousness |
| unrufflednesses | 22 | - | - |
| unsaintlinesses | 15 | - | - |
| unshakeableness | 24 | - | - |
| unsightlinesses | 19 | - | - |
| unskilfulnesses | 22 | - | - |
| unsociabilities | 19 | - | - |
| unsparingnesses | 18 | - | - |
| unspeakableness | 23 | - | - |
| unspiritualised | 18 | - | - |
| unsettlednesses | 16 | - | - |
| unseriousnesses | 15 | - | - |
| unsaleabilities | 17 | - | - |
| unsatisfactions | 20 | - | - |
| unsatisfiedness | 19 | - | - |
| unsavourinesses | 18 | - | - |
| unseaworthiness | 21 | - | - |
| unsectarianisms | 19 | - | - |
| unselfishnesses | 21 | - | - |
| unspiritualises | 17 | - | - |
| utilitarianizes | 24 | - | - |
| utterablenesses | 17 | - | - |
| unprogressively | 24 | - | - |
| uncompromisable | 25 | - | - |
| uncopyrightable | 28 | - | - |
| uncourtlinesses | 17 | - | - |
| uncreatednesses | 18 | - | - |
| undauntednesses | 17 | - | - |
| undecidednesses | 20 | - | - |
| undemonstrative | 21 | not given to open expression of emotion | - |
| underactivities | 21 | - | - |
| undercapitalise | 20 | - | - |
| uncooperatively | 25 | - | - |
| unconcernedness | 20 | - | - |
| unconnectedness | 20 | the lack of a connection between things | - |
| unconscientious | 19 | not conscientious | - |
| unconsentaneous | 17 | - | - |
| unconstrainable | 19 | - | - |
| unconstrainedly | 21 | - | - |
| undercapitalize | 29 | - | - |
| underdeveloping | 23 | - | - |
| underemphasised | 24 | - | - |
| underinvestment | 21 | - | - |
| undernicenesses | 18 | - | - |
| undernourishing | 20 | - | - |
| undernutritions | 16 | - | - |
| underperforming | 24 | - | - |
| underproduction | 21 | inadequate production or less than expected | - |
| underpublicised | 23 | - | - |
| underinflations | 19 | - | - |
| underemphasises | 23 | - | - |
| underemphasized | 33 | - | - |
| underemphasizes | 32 | - | - |
| underemployment | 25 | - | - |
| underestimating | 19 | - | - |
| underestimation | 18 | an estimation that is too low; an estimate that is less than the true or actual value | - |
| underfulfilling | 23 | - | - |
| undergraduettes | 18 | - | - |
| underpublicized | 32 | - | - |
| uncomprehensive | 27 | - | - |
| unauthenticated | 21 | - | - |
| uncanonicalness | 19 | - | - |
| uncategorisable | 20 | - | - |
| uncategorizable | 29 | - | - |
| unceasingnesses | 18 | - | - |
| uncertainnesses | 17 | - | - |
| unchallengeably | 26 | - | - |
| unbridlednesses | 19 | - | - |
| unboundednesses | 19 | - | - |
| unauthoritative | 21 | - | - |
| unavailableness | 20 | - | - |
| unavoidableness | 21 | - | - |
| unbelievability | 25 | - | - |
| unbelievingness | 21 | - | - |
| unbendingnesses | 19 | - | - |
| unbiassednesses | 18 | - | - |
| unblessednesses | 18 | - | - |
| unchangeability | 26 | the quality of being unchangeable; having a marked tendency to remain unchanged | - |
| unchoreographed | 27 | - | - |
| unchristianised | 21 | - | - |
| unclimbableness | 23 | - | - |
| uncloudednesses | 19 | - | - |
| uncompanionable | 23 | - | - |
| uncompassionate | 21 | lacking compassion or feeling for others | nor silver-shedding tears could penetrate her uncompassionate sire |
| uncomplainingly | 25 | without complaining | an equally gallant little wife and mother uncomplainingly keeping up the production of tasty and nourishing meals |
| uncomplaisantly | 24 | - | - |
| uncomplimentary | 26 | showing or representing unfavorably | an uncomplimentary dress |
| uncleanlinesses | 17 | - | - |
| uncivilizedness | 30 | - | - |
| unchristianises | 20 | - | - |
| unchristianized | 30 | - | - |
| unchristianizes | 29 | - | - |
| unchristianlike | 24 | - | - |
| unchronological | 23 | - | - |
| uncircumcisions | 23 | - | - |
| uncircumscribed | 26 | - | - |
| uncivilisedness | 21 | - | - |
| uninformatively | 26 | in an uninformative manner | `I can't tell you when the manager will arrive,' he said rather uninformatively |
| unknowingnesses | 23 | - | - |
| unknowledgeable | 26 | unaware because of a lack of relevant information or knowledge | an unknowledgeable assistant |
| unlearnednesses | 16 | - | - |
| unlimitednesses | 18 | - | - |
| unmeaningnesses | 18 | - | - |
| unmelodiousness | 18 | - | - |
| unmindfulnesses | 21 | - | - |
| unmitigatedness | 19 | - | - |
| unknowabilities | 24 | - | - |
| universalnesses | 18 | - | - |
| uninhibitedness | 21 | - | - |
| unintelligences | 18 | - | - |
| unintelligently | 19 | in an unintelligent manner | he acted rather unintelligently in this crisis |
| uninterestingly | 19 | in an uninteresting manner | - |
| unintermittedly | 21 | - | - |
| uninterpretable | 19 | - | - |
| uninterruptedly | 21 | without interruption | this pleasant state of affairs had continued peacefully and uninterruptedly for many years |
| unmusicalnesses | 19 | - | - |
| unnaturalnesses | 15 | - | - |
| unnecessariness | 17 | - | - |
| unpracticalness | 21 | - | - |
| unpractisedness | 20 | - | - |
| unpremeditation | 20 | - | - |
| unpretentiously | 20 | in an unpretentious manner | she was unpretentiously dressed even though she was the guest of honor |
| unprintableness | 19 | - | - |
| unprofessionals | 20 | - | - |
| unpitifulnesses | 20 | - | - |
| unphilosophical | 27 | - | - |
| unobjectionable | 28 | not causing disapproval | unobjectionable behavior |
| unobjectionably | 31 | - | - |
| unobtrusiveness | 20 | the quality of not sticking out in an unwelcome way | - |
| unoriginalities | 16 | - | - |
| unparliamentary | 22 | so rude and abusive as to be unsuitable for parliament | - |
| unpatriotically | 22 | in an unpatriotic manner | unpatriotically he contrived a way of avoiding military service |
| unpeaceableness | 21 | - | - |
| unperfectnesses | 22 | - | - |
| unprofitability | 25 | the quality of affording no gain or no benefit or no profit | - |
| unimaginatively | 24 | in a matter-of-fact manner | - |
| understandingly | 21 | with understanding | she nodded understandingly |
| unearthlinesses | 18 | - | - |
| uneatablenesses | 17 | - | - |
| unemployability | 27 | - | - |
| unendurableness | 18 | - | - |
| unequivocalness | 29 | clarity achieved by the avoidance of ambiguity | - |
| unexceptionable | 28 | completely acceptable; not open to exception or reproach | two unexceptionable witnesses |
| unexceptionably | 31 | - | - |
| unexceptionally | 29 | - | - |
| undutifulnesses | 19 | - | - |
| undomesticating | 21 | - | - |
| understatements | 18 | - | - |
| undervaluations | 19 | - | - |
| undesirableness | 18 | - | - |
| undetermination | 18 | - | - |
| undisappointing | 21 | - | - |
| undisciplinable | 22 | - | - |
| undividednesses | 21 | - | - |
| unextraordinary | 26 | - | - |
| unfailingnesses | 19 | - | - |
| unfamiliarities | 20 | - | - |
| ungenuinenesses | 16 | - | - |
| ungrammatically | 25 | in an ungrammatical manner | this child speaks ungrammatically |
| unguardednesses | 18 | - | - |
| unhealthfulness | 24 | the quality of promoting poor health | - |
| unhealthinesses | 21 | - | - |
| unhurtfulnesses | 21 | - | - |
| unidiomatically | 23 | - | - |
| uniformitarians | 20 | - | - |
| ungentlemanlike | 22 | not befitting a gentleman | - |
| unfoundednesses | 20 | - | - |
| unfavorableness | 23 | the quality of not being encouraging or indicative of success | - |
| unfeelingnesses | 19 | - | - |
| unfeignednesses | 20 | - | - |
| unflappableness | 24 | - | - |
| unforgivenesses | 22 | - | - |
| unforgivingness | 23 | - | - |
| unfortunateness | 18 | - | - |
| unfossiliferous | 21 | - | - |
| unilateralities | 15 | - | - |
| unanaesthetized | 28 | - | - |
| unanaesthetised | 19 | - | - |
| unadventurously | 22 | - | - |
| ultraprecisions | 19 | - | - |
| unappropriating | 22 | - | - |
| underdelivering | 21 | - | - |
| underexploiting | 26 | - | - |
| unnewsworthiest | 24 | - | - |
| universalizable | 29 | - | - |
| universalisable | 20 | - | - |
| unhelpfulnesses | 23 | - | - |
| ungentlemanlier | 18 | - | - |
| undersubscribed | 23 | - | - |
