10-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 |
|---|---|---|---|
| understand | 12 | believe to be the case | I understand you have no previous experience? |
| understood | 12 | implied by or inferred from actions or statements | the understood provisos of a custody agreement |
| university | 16 | a large and diverse institution of higher learning created to educate for life and for a profession and to grant degrees | - |
| underneath | 14 | - | - |
| undercover | 16 | conducted with or marked by hidden aims or methods | an undercover investigation |
| unexpected | 22 | not expected or anticipated | unexpected guests |
| underwater | 14 | beneath the surface of the water | - |
| ultimately | 15 | as the end result of a succession or process | ultimately he had to give in |
| unpleasant | 12 | offensive or disagreeable; causing discomfort or unhappiness | an unpleasant personality |
| unbearable | 14 | incapable of being tolerated or endured | - |
| unemployed | 18 | people who are involuntarily out of work (considered as a group) | the long-term unemployed need assistance |
| underworld | 15 | (religion) the world of the dead | - |
| ungrateful | 14 | not feeling or showing gratitude | ungrateful heirs |
| unfaithful | 19 | having the character of, or characteristic of, a traitor | - |
| unfinished | 17 | lacking a surface finish such as paint | unfinished furniture |
| underpants | 13 | an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin | - |
| unreliable | 12 | not worthy of reliance or trust | in the early 1950s computers were large and expensive and unreliable |
| upbringing | 16 | helping someone grow up to be an accepted member of the community | - |
| ultrasound | 11 | 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 | - |
| undertaker | 15 | one whose business is the management of funerals | - |
| unfamiliar | 15 | not known or well known | a name unfamiliar to most |
| undefeated | 15 | victorious | undefeated in battle |
| unattended | 12 | lacking a caretaker | many casualties were lying unattended |
| underlying | 15 | in the nature of something though not readily apparent | an underlying meaning |
| uneducated | 14 | not having a good education | - |
| unpunished | 16 | not punished | would he forget the crime and let it go unpunished? |
| unbeatable | 14 | incapable of being overcome or subdued | - |
| unofficial | 18 | not having official authority or sanction | a sort of unofficial mayor |
| unprepared | 15 | without preparation; not prepared for | unprepared remarks |
| unanswered | 14 | not returned in kind | unrequited (unanswered) love |
| undetected | 14 | not perceived or discerned | they feared some undetected trace of poison |
| undeniable | 13 | not possible to deny | - |
| unorthodox | 21 | independent in behavior or thought | - |
| unforeseen | 13 | not anticipated | unforeseen circumstances |
| upstanding | 14 | meriting respect or esteem | an upstanding member of the community |
| undergoing | 13 | - | - |
| unbalanced | 15 | affected with madness or insanity | - |
| unresolved | 14 | not solved | many problems remain unresolved |
| unfriendly | 17 | not friendly | an unfriendly act of aggression |
| undisputed | 14 | generally agreed upon; not subject to dispute | the undisputed fact |
| understudy | 15 | be an understudy or alternate for a role | - |
| unexplored | 20 | not yet discovered | - |
| unfastened | 14 | not tied | - |
| unaffected | 19 | unaware of or indifferent to | - |
| upholstery | 18 | covering (padding and springs and webbing and fabric) on a piece of furniture | - |
| unsuitable | 12 | not capable of being applied | - |
| undermined | 14 | - | - |
| unrequited | 20 | not returned in kind | unrequited (unanswered) love |
| ubiquitous | 21 | being present everywhere at once | - |
| usefulness | 13 | the quality of being of practical use | - |
| uneventful | 16 | marked by no noteworthy or significant events | an uneventful life |
| uncovering | 16 | the act of discovering something | - |
| underbelly | 16 | the soft belly or underside of an animal's body | - |
| unlicensed | 13 | lacking official approval | - |
| unbuttoned | 13 | not under constraint in action or expression | this unbuttoned and disrespectful age |
| uniqueness | 19 | the quality of being one of a kind | - |
| unsanitary | 13 | not sanitary or healthful | unsanitary open sewers |
| unoccupied | 17 | not leased to or occupied by a tenant | an unoccupied apartment |
| undershirt | 14 | a collarless men's undergarment for the upper part of the body | - |
| unwavering | 17 | marked by firm determination or resolution; not shakable | unwavering loyalty |
| unbearably | 17 | to an unbearable degree | it was unbearably hot in the room |
| unbecoming | 17 | not in keeping with accepted standards of what is right or proper in polite society | language unbecoming to a lady |
| undeniably | 16 | to an undeniable degree or in an undeniable manner | she is undeniably the most gifted student in the class |
| unraveling | 14 | - | - |
| unattached | 16 | not associated in an exclusive sexual relationship | - |
| unfettered | 14 | not bound by shackles and chains | - |
| unreadable | 13 | not easily deciphered | - |
| unyielding | 15 | stubbornly unyielding | - |
| unsolvable | 15 | not easily solved | public finance...had long presented problems unsolvable or at least unsolved |
| unprovoked | 20 | occurring without motivation or provocation | unprovoked and dastardly attack |
| unromantic | 14 | neither expressive of nor exciting sexual love or romance | - |
| unchanging | 17 | showing little if any change | - |
| unexploded | 21 | still capable of exploding or being fired | an unexploded bomb |
| unassuming | 13 | not arrogant or presuming | unassuming to a fault, skeptical about the value of his work |
| uneasiness | 10 | physical discomfort (as mild sickness or depression) | - |
| unfairness | 13 | injustice by virtue of not conforming with rules or standards | - |
| untalented | 11 | devoid of talent; not gifted | - |
| undeclared | 14 | not announced or openly acknowledged | fighting an undeclared war |
| uncensored | 13 | not subject to censorship | uncensored news reports |
| uninformed | 16 | not informed; lacking in knowledge or information | the uninformed public |
| unlawfully | 19 | not conforming to the law | they were unlawfully married |
| unknowable | 19 | not knowable | the unknowable mysteries of life |
| uninspired | 13 | deficient in originality or creativity; lacking powers of invention | uninspired writing |
| unfiltered | 14 | - | - |
| unsociable | 14 | not inclined to society or companionship | an unsociable nature...shy and reserved |
| unwinnable | 15 | - | - |
| ultrasonic | 12 | having frequencies above those of audible sound | - |
| unintended | 12 | not deliberate | - |
| unrivalled | 14 | eminent beyond or above comparison | - |
| unhygienic | 19 | unclean and constituting a likely cause of disease | pathetic dogs kept in small unhygienic cages |
| uninvolved | 17 | showing lack of emotional involvement | an uninvolved bystander |
| uncultured | 13 | (of persons) lacking art or knowledge | - |
| unprovable | 17 | not provable | it was both unproved and unprovable |
| unravelled | 14 | - | - |
| unbeliever | 15 | - | - |
| ungenerous | 11 | lacking in magnanimity | it seems ungenerous to end this review of a splendid work of scholarship on a critical note |
| undersized | 21 | smaller than normal for its kind | - |
| unilateral | 10 | involving only one part or side | unilateral paralysis |
| undigested | 13 | not digested | undigested food |
| unreturned | 11 | - | - |
| untruthful | 16 | not expressing or given to expressing the truth | the statement given under oath was untruthful |
| unapproved | 18 | - | - |
| uncommonly | 19 | exceptionally | a common remedy is uncommonly difficult to find |
| unescorted | 13 | - | - |
| unrecorded | 14 | actually being performed at the time of hearing or viewing | - |
| unsinkable | 16 | incapable of being sunk | they thought the Titanic was unsinkable |
| unoriginal | 11 | not original; not being or productive of something fresh and unusual | the manuscript contained unoriginal emendations |
| urinalysis | 13 | (medicine) the chemical analysis of urine (for medical diagnosis) | - |
| unburdened | 14 | not encumbered with a physical burden or load | - |
| unkindness | 15 | lack of sympathy | - |
| undeserved | 15 | not deserved or earned | has an undeserved reputation as a coward |
| underwrite | 14 | guarantee financial support of | - |
| unreported | 13 | not reported | unreported results |
| unpassable | 14 | incapable of being passed | - |
| unmerciful | 17 | having or showing no mercy | - |
| unnameable | 14 | too sacred to be uttered | - |
| uninfected | 16 | free from sepsis or infection | a clean (or uninfected) wound |
| unluckiest | 16 | - | - |
| undeterred | 12 | not deterred | pursued his own path...undeterred by lack of popular appreciation and understanding |
| unfeasible | 15 | not capable of being carried out or put into practice | a suggested reform that was unfeasible in the prevailing circumstances |
| unexamined | 20 | - | - |
| unrewarded | 15 | having acquired or gained nothing | - |
| unshakable | 19 | without flaws or loopholes | - |
| unrealized | 20 | of persons; marked by failure to realize full potentialities | unrealized dreams and ambitions |
| unpolished | 16 | lacking social polish | - |
| unworkable | 19 | not capable of being carried out or put into practice | - |
| underscore | 13 | a line drawn underneath (especially under written matter) | - |
| underskirt | 15 | undergarment worn under a skirt | - |
| unreleased | 11 | not (or not yet) made available for distribution or publication | someone leaked the unreleased announcement |
| uniformity | 18 | the quality of lacking diversity or variation (even to the point of boredom) | - |
| ungracious | 13 | lacking social graces | - |
| unhindered | 15 | not slowed or blocked or interfered with | - |
| unequalled | 20 | radically distinctive and without equal | - |
| unplugging | 15 | - | - |
| unassisted | 11 | unsupported by other people | - |
| undefended | 16 | not defended or capable of being defended | - |
| unfeminine | 15 | not suitable for a woman | an unfeminine depth of voice |
| unsheathed | 17 | not having a protective covering | unsheathed cables |
| unobserved | 16 | not seen or observed | managed to slip away unobserved |
| unmannered | 13 | socially incorrect in behavior | resentment flared at such an unmannered intrusion |
| unmolested | 13 | not interfered with, disturbed, or harmed | - |
| untrusting | 11 | openly distrustful and unwilling to confide | - |
| untangling | 12 | the act of releasing from a snarled or tangled condition | - |
| underbrush | 16 | the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest | - |
| unleavened | 14 | made without leavening | unleavened bread is often simply flour mixed with water |
| unschooled | 16 | lacking in schooling | - |
| unscramble | 16 | become or cause to become undone by separating the fibers or threads of | - |
| unreserved | 14 | not cautious or reticent | unreserved behavior |
| unmissable | 14 | - | - |
| unpunctual | 14 | not punctual; after the appointed time | - |
| unquenched | 25 | - | - |
| unplayable | 17 | not capable of or suitable for being played or played on | the golf ball was in an unplayable lie |
| unpolluted | 13 | free from admixture with noxious elements; clean | unpolluted streams |
| unproduced | 16 | - | - |
| uproarious | 12 | uncontrollably noisy | - |
| unthankful | 20 | not feeling or showing gratitude | - |
| untroubled | 13 | free from fear or doubt; easy in mind | - |
| unswerving | 17 | firm and dependable especially in loyalty | unswerving devotion |
| unwrapping | 18 | - | - |
| undersexed | 19 | having a subnormal degree of sexual desire | - |
| understeer | 11 | - | - |
| ungraceful | 16 | lacking grace; clumsy | his stature low...his bearing ungraceful |
| unhampered | 18 | not slowed or blocked or interfered with | an outlet for healthy and unhampered action |
| unlettered | 11 | uneducated in general; lacking knowledge or sophistication | exhibiting contempt for his unlettered companions |
| unladylike | 18 | lacking the behavior or manner or style considered proper for a lady | - |
| unliveable | 15 | unfit or unsuitable to live in or with | - |
| undirected | 14 | aimlessly drifting | - |
| unflagging | 16 | unceasing | unflagging courtesy |
| unforgiven | 17 | - | - |
| unevenness | 13 | the quality of being uneven and lacking uniformity | - |
| unequipped | 24 | without necessary physical or intellectual equipment | guerrillas unequipped for a pitched battle |
| unexciting | 20 | not stimulating | - |
| unscreened | 13 | - | - |
| unskillful | 17 | poorly done | it was an unskillful attempt |
| unsteadily | 14 | in an unsteady manner | he walked unsteadily toward the exit |
| unsporting | 13 | violating accepted standards or rules | a nasty unsporting serve |
| usurpation | 12 | entry to another's property without right or permission | - |
| unthinking | 18 | mentally sluggish | - |
| unstitched | 16 | - | - |
| unverified | 17 | lacking proof or substantiation | - |
| underclass | 13 | the social class lowest in the social hierarchy | - |
| unblinking | 17 | not shrinking from danger | - |
| unconstant | 12 | - | - |
| unhittable | 15 | - | - |
| unimproved | 18 | not made more desirable or valuable or profitable; especially not made ready for use or marketing | taxes on unimproved land are low |
| unindicted | 14 | - | - |
| unimpaired | 15 | not damaged or diminished in any respect | his speech remained unimpaired |
| ungrounded | 13 | - | - |
| unhallowed | 17 | not hallowed or consecrated | - |
| ungoverned | 15 | not restrained or controlled | ungoverned rage |
| unhandsome | 16 | - | - |
| unholiness | 13 | the quality of being unholy | - |
| uninviting | 14 | not tempting | - |
| undivulged | 16 | - | - |
| unrepaired | 13 | unserviceable because necessary repairs have not been made | - |
| unrepented | 13 | - | - |
| unscripted | 15 | not furnished with or using a script | unscripted talk shows |
| unshackled | 20 | not bound by shackles and chains | - |
| unshielded | 15 | (used especially of machinery) not protected by a shield | - |
| unordinary | 14 | - | - |
| unmannerly | 15 | socially incorrect in behavior | - |
| unprompted | 17 | proceeding from natural feeling or impulse without external stimulus | - |
| unpleasing | 13 | unpleasant or disagreeable to the senses | - |
| unpregnant | 13 | - | - |
| untethered | 14 | not confined or restricted with a tether | - |
| unstressed | 11 | not bearing a stress or accent | short vowels are unstressed |
| unwelcomed | 18 | - | - |
| unwearable | 15 | not suitable for wear or able to be worn | shoes so dilapidated as to be unwearable |
| ulceration | 12 | a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue | - |
| ulcerative | 15 | of or relating to or characterized by ulceration | ulcerative colitis |
| unarguably | 16 | in an unarguable and undisputed manner | - |
| unbendable | 15 | marked by firm determination or resolution; not shakable | a man of unbendable perseverence |
| unclogging | 15 | - | - |
| unbuttered | 13 | - | - |
| urethrites | 13 | - | - |
| uncaringly | 16 | - | - |
| unbothered | 16 | - | - |
| unadjacent | 20 | - | - |
| ultracheap | 17 | - | - |
| uncompress | 16 | restore to its uncompressed form | - |
| unwritable | 15 | - | - |
| unworkably | 22 | - | - |
| untradable | 13 | - | - |
| untouristy | 13 | - | - |
| unsureness | 10 | - | - |
| unsulfured | 14 | - | - |
| unsolvably | 18 | - | - |
| ungenially | 14 | - | - |
| ungendered | 13 | - | - |
| unfilmable | 17 | - | - |
| unfeasibly | 18 | - | - |
| unenthused | 14 | - | - |
| undimmable | 17 | - | - |
| undertreat | 11 | - | - |
| underthrow | 17 | - | - |
| underthrew | 17 | - | - |
| unkillable | 16 | - | - |
| unshoveled | 17 | - | - |
| unsexiness | 17 | - | - |
| unserviced | 16 | - | - |
| unseeingly | 14 | - | - |
| unseasonal | 10 | - | - |
| unrefereed | 14 | - | - |
| unprovably | 20 | - | - |
| unplayably | 20 | - | - |
| unlicenced | 15 | lacking official approval | - |
| uncoolness | 12 | - | - |
| ungreenest | 11 | - | - |
| unlaboring | 13 | - | - |
| unlivelier | 13 | - | - |
| unlordlier | 11 | - | - |
| unmatching | 18 | - | - |
| unmerriest | 12 | - | - |
| unnativing | 14 | - | - |
| unnoisiest | 10 | - | - |
| unobliging | 14 | not accommodating | - |
| unindented | 12 | - | - |
| unicolored | 13 | - | - |
| ungrouping | 14 | - | - |
| unguiltier | 11 | - | - |
| unhappened | 18 | - | - |
| unhardiest | 14 | - | - |
| unhastiest | 13 | - | - |
| unheediest | 14 | - | - |
| unholsters | 13 | - | - |
| unhomelier | 15 | - | - |
| unopposing | 15 | - | - |
| unprettier | 12 | - | - |
| unshowiest | 16 | - | - |
| unsmokable | 18 | - | - |
| unsobering | 13 | - | - |
| unsonsiest | 10 | - | - |
| unstarrier | 10 | - | - |
| unstiffens | 16 | - | - |
| unstuffier | 16 | - | - |
| unsubjects | 21 | - | - |
| unshotting | 14 | - | - |
| unsecreted | 13 | - | - |
| unreliably | 15 | in an unfaithful undependable unreliable manner | - |
| unrenowned | 14 | - | - |
| unrighting | 15 | - | - |
| unrivetted | 14 | - | - |
| unruptured | 13 | - | - |
| unsaleably | 15 | - | - |
| unsavorier | 13 | - | - |
| unscariest | 12 | - | - |
| unsubtlest | 12 | - | - |
| ungreedier | 12 | - | - |
| ultradryer | 14 | - | - |
| ultralefts | 13 | - | - |
| umbratiles | 14 | - | - |
| unactiving | 16 | - | - |
| unbannings | 13 | - | - |
| unbiasings | 13 | - | - |
| unbloodier | 13 | - | - |
| unbouncier | 14 | - | - |
| ultradrier | 11 | - | - |
| ubersexual | 19 | - | - |
| unbulkiest | 16 | - | - |
| uncatchier | 17 | - | - |
| unchariest | 15 | - | - |
| unesthetic | 15 | - | - |
| unfanciest | 15 | - | - |
| unfaultier | 13 | - | - |
| unflashier | 16 | - | - |
| unflavored | 17 | without flavoring added | - |
| unfollowed | 17 | - | - |
| unfunniest | 13 | - | - |
| ungentlest | 11 | - | - |
| undrossier | 11 | - | - |
| undersowed | 15 | - | - |
| unclassier | 12 | - | - |
| uncloudier | 13 | - | - |
| uncomelier | 14 | - | - |
| uncomfiest | 17 | - | - |
| uncostlier | 12 | - | - |
| uncraziest | 21 | - | - |
| undaunting | 12 | - | - |
| undeleting | 12 | - | - |
| unglitzier | 20 | - | - |
| unsunniest | 10 | - | - |
| unsystemic | 17 | - | - |
| urethaning | 14 | - | - |
| uroboroses | 12 | - | - |
| ustulating | 11 | - | - |
| urediniums | 13 | - | - |
| uptalkings | 17 | - | - |
| untailored | 11 | - | - |
| untentiest | 10 | - | - |
| unthreshed | 17 | - | - |
| untrendier | 11 | - | - |
| untrustier | 10 | - | - |
| unweariest | 13 | - | - |
| unwittiest | 13 | - | - |
| upmarketed | 19 | - | - |
| upskirting | 17 | - | - |
| unhonoured | 14 | - | - |
| unicostate | 12 | - | - |
| unicycling | 18 | - | - |
| unicyclist | 17 | a person who rides a unicycle | - |
| unidealism | 13 | - | - |
| uniflorous | 13 | - | - |
| unifoliate | 13 | having a single leaf | - |
| uniformest | 15 | - | - |
| uniforming | 16 | - | - |
| unicentral | 12 | - | - |
| unicameral | 14 | composed of one legislative body | - |
| unhouseled | 14 | - | - |
| unhouzzled | 32 | - | - |
| unhumanise | 15 | - | - |
| unhumanize | 24 | - | - |
| unhumorous | 15 | lacking humor | - |
| unhurrying | 17 | - | - |
| uniaxially | 20 | - | - |
| unilabiate | 12 | - | - |
| uninclosed | 13 | - | - |
| unindeared | 12 | - | - |
| uninflamed | 16 | - | - |
| uninflated | 14 | - | - |
| uninforced | 16 | - | - |
| unimposing | 15 | lacking in impressiveness | on the whole the results of this system are unimposing |
| unimplored | 15 | - | - |
| unilingual | 11 | - | - |
| uniliteral | 10 | - | - |
| unilobular | 12 | - | - |
| unilocular | 12 | - | - |
| unimagined | 14 | not imagined even in a dream | - |
| unimmortal | 14 | - | - |
| unimparted | 15 | - | - |
| unhomelike | 19 | - | - |
| unfussiest | 13 | - | - |
| ungrudging | 14 | without envy or reluctance | ungrudging admiration |
| unguarding | 13 | - | - |
| unguentary | 14 | - | - |
| ungodliest | 12 | - | - |
| ungainlier | 11 | - | - |
| ungainsaid | 12 | - | - |
| ungarnered | 12 | - | - |
| ungartered | 12 | - | - |
| ungathered | 15 | not brought together in one place | - |
| ungimmicky | 24 | - | - |
| ungirthing | 15 | - | - |
| unhandiest | 14 | - | - |
| unhelmeted | 16 | - | - |
| unhelpable | 17 | - | - |
| unheralded | 15 | without warning or announcement | a totally unheralded telegram that his daughter...died last night |
| unheroical | 15 | - | - |
| unhistoric | 15 | - | - |
| unhitching | 19 | - | - |
| unhoarding | 15 | - | - |
| unheededly | 18 | - | - |
| unhearting | 14 | - | - |
| unhappiest | 17 | - | - |
| unhappying | 21 | - | - |
| unharbours | 15 | - | - |
| unhardened | 15 | not brought to a proper consistency or hardness | - |
| unhattings | 14 | - | - |
| unhazarded | 24 | - | - |
| unhealable | 15 | - | - |
| unhearsing | 14 | - | - |
| unknitting | 15 | - | - |
| unlearning | 11 | - | - |
| unleashing | 14 | - | - |
| unleisured | 11 | - | - |
| unlessoned | 11 | - | - |
| unlettable | 12 | - | - |
| unleveling | 14 | - | - |
| unlatching | 16 | - | - |
| unknotting | 15 | - | - |
| unknowably | 22 | - | - |
| unknowings | 18 | - | - |
| unlabelled | 13 | lacking a label or tag | - |
| unlaboured | 13 | - | - |
| unlamented | 13 | not grieved for; causing no mourning | interred in an unlamented grave |
| unlevelled | 14 | - | - |
| unlifelike | 17 | without substance | - |
| unloosened | 11 | - | - |
| unloveable | 15 | - | - |
| unlovelier | 13 | - | - |
| unlovingly | 17 | - | - |
| unmaidenly | 16 | - | - |
| unmailable | 14 | - | - |
| unmanacled | 15 | - | - |
| unlockable | 18 | - | - |
| unloadings | 12 | - | - |
| unlikeable | 16 | (of characters in literature or drama) tending to evoke antipathetic feelings | - |
| unlikelier | 14 | - | - |
| unlikeness | 14 | dissimilarity evidenced by an absence of likeness | - |
| unlimbered | 15 | - | - |
| unliquored | 20 | - | - |
| unlistened | 11 | - | - |
| unliterary | 13 | marked by lack of affectation or pedantry | her talk was very unliterary |
| unmanacles | 14 | - | - |
| unknightly | 21 | - | - |
| uninitiate | 10 | not initiated; deficient in relevant experience | it seemed a bizarre ceremony to uninitiated western eyes |
| unionising | 11 | - | - |
| unionistic | 12 | - | - |
| unionizers | 19 | - | - |
| unionizing | 20 | - | - |
| unipartite | 12 | - | - |
| uniseptate | 12 | - | - |
| uniseriate | 10 | - | - |
| unionisers | 10 | - | - |
| uninstalls | 10 | - | - |
| uninsureds | 11 | - | - |
| uninterest | 10 | - | - |
| uninuclear | 12 | - | - |
| uninvested | 14 | - | - |
| unisonally | 13 | - | - |
| unisonance | 12 | - | - |
| unitarians | 10 | - | - |
| univoltine | 13 | - | - |
| unjointing | 18 | - | - |
| unjustness | 17 | the practice of being unjust or unfair | - |
| unkenneled | 15 | - | - |
| unkindlier | 15 | - | - |
| unkinglier | 15 | - | - |
| unkinglike | 19 | - | - |
| univocally | 18 | - | - |
| unitedness | 11 | - | - |
| unitholder | 14 | - | - |
| univalence | 15 | - | - |
| univalency | 18 | - | - |
| univalents | 13 | - | - |
| univariant | 13 | - | - |
| univariate | 13 | - | - |
| universals | 13 | - | - |
| unknighted | 19 | - | - |
| unfurrowed | 17 | not marked with shallow depressions or furrows | an unfurrowed field |
| undidactic | 16 | - | - |
| undoctored | 14 | - | - |
| undogmatic | 16 | unwilling to accept authority or dogma (especially in religion) | - |
| undomestic | 15 | not domestic or related to home | had established herself in her career at the price of being so undomestic she didn't even know how to light the oven |
| undoubling | 14 | - | - |
| undoubtful | 16 | - | - |
| undoubting | 14 | - | - |
| undramatic | 15 | lacking dramatic force and quality | moved with quiet force and undramatic bearing |
| undreading | 13 | - | - |
| undivorced | 17 | - | - |
| undighting | 16 | - | - |
| undismayed | 17 | unshaken in purpose | wholly undismayed by the commercial failure of the three movies he had made |
| undisposed | 14 | - | - |
| undiverted | 15 | - | - |
| undivested | 15 | - | - |
| undreaming | 14 | - | - |
| undressing | 12 | - | - |
| undrooping | 14 | - | - |
| unedifying | 18 | not edifying | - |
| uneducable | 15 | - | - |
| uneffected | 19 | - | - |
| unembodied | 16 | not having a material body | - |
| unemphatic | 19 | not emphasized | - |
| unenclosed | 13 | not closed in our surrounded or included | an unenclosed porch |
| uneconomic | 16 | wasteful of resources | - |
| uneclipsed | 15 | - | - |
| undulances | 13 | - | - |
| undulately | 14 | - | - |
| undulating | 12 | - | - |
| undulation | 11 | (physics) a movement up and down or back and forth | - |
| undulators | 11 | - | - |
