ubiquitous adj.#being everywhere; omnipresent. That Christmas "The Little Drummer Boy" seemed ubiquitous; David heard the tune everywhere.#ulterior adj.#unstated; hidden; more remote. Suspicious of altruistic gestures, he looked for an ulterior motive behind every charitable deed.#ultimate adj.#final; not susceptible to further analysis. Scientists are searching for ultimate truths.#unaccountable adj.#inexplicable; unreasonable or mysterious. I have taken an unaccountable dislike to my doctor: "I do not love thee, Doctor Fell. The reason why, I cannot tell."#unanimity n.#complete agreement. We were surprised by the unanimity with which members of both parties accepted our proposals. unanimous, adj. #unassailable adj.#not subject to question; not open to attack. Penelope's virtue was unassailable; while she waited for her husband to come back from the war, no other man had a chance.#unassuming adj.#modest. He is so unassuming that some people fail to realize how great a man he really is.#unbridled adj.#violent. She had a sudden fit of unbridled rage.#uncanny adj.#strange; mysterious. You have the uncanny knack of reading my innermost thoughts.#unconscionable adj.#unscrupulous; excessive. She found the loan shark's demands unconscionable and impossible to meet.#uncouth adj.#outlandish; clumsy; boorish. Most biographers portray Lincoln as an uncouth and ungainly young man.#unctuous adj.#oily; bland; insincerely suave. Uriah Heep disguised his nefarious actions by unctuous protestations of his "humility."#underlying adj.#fundamental; lying below. The underlying cause of the student riot was not the strict curfew rule but the moldy cafeteria food. Miss Marple seems a sweet little old lady at first, but there's an iron will underlying that soft and fluffy facade.#undermine v.# weaken; sap. The recent corruption scandals have undermined many people's faith in the city government. The recent torrential rains have washed away much of the cliffside; the deluge threatens to undermine the pillars supporting several houses at the edge of the cliff.#underscore v.#emphasize. Addressing the jogging class, Kim underscored the importance to runners of good nutrition.#undulating adj.#moving with a wavelike motion. The Hilo Hula Festival was an undulating sea of grass skirts.#unearth v.#dig up. When they unearthed the city, the archeologists found many relics of an ancient civilization.#unequivocal adj.#plain; obvious; unmistakable. My answer to your proposal is an unequivocal and absolute "No."#unerringly adj.#infallibly. My teacher unerringly pounced on the one typographical error in my essay.#unfathomable adj.#incomprehensible; impenetrable. Unable to get to the bottom of the mystery, Watson declared it was unfathomable.#unfetter v.#liberate; free from chains. Chained to the wall for months on end, the hostage despaired that he would ever be unfettered.#unfrock v.#to strip a priest or minister of church authority. To disbar a lawyer, to unfrock a priest, to suspend a doctor's license to practice-these are extreme steps that the authorities should take only after careful consideration.#ungainly adj.#awkward; clumsy; unwieldy. "If you want to know whether Nick's an ungainly dancer, check out my bruised feet," said Nora. Anyone who has ever tried to carry a bass fiddle knows it's an ungainly instrument.#uniformity n.# sameness; monotony. At Persons magazine, we strive for uniformity of style; as a result, all our writers wind up sounding exactly alike.#unimpeachable adj.#blameless and exemplary. Her conduct in office was unimpeachable and her record is spotless.#uninhibited adj.#unrepressed. The congregation was shocked by her uninhibited laughter during the sermon.#unintimidating adj.#unfrightening. Though Phil had expected to feel overawed when he met Steve Young, he found the famous quarterback friendly and unintimidating.#unique adj.#without an equal; single in kind. You have the unique distinction of being the only student whom I have had to fail in this course.#universal adj.#characterizing or affecting all; present everywhere. At first, no one shared Christopher's opinions; his theory that the world was round was met with universal disdain.#unkempt adj.# disheveled; uncared for in appearance. Jeremy hated his neighbor's unkempt lawn: he thought its neglected appearance had a detrimental effect on neighborhood property values.#unmitigated adj.#unrelieved or immoderate; absolute. After four days of unmitigated heat, I was ready to collapse from heat prostration. The congresswoman's husband was an unmitigated jerk: not only did he abandon her, he took her campaign funds, too!#unobtrusive adj.#inconspicuous; not blatant. Reluctant to attract notice, the governess took a chair in a far corner of the room and tried to be as unobtrusive as possible.#unpalatable adj.#distasteful; disagreeable. "I refuse to swallow your conclusion," said she, finding his logic unpalatable.#unprecedented adj.# novel; unparalleled. For a first novel, Margaret Mitchell's novel Gone with the Wind was an unprecedented success.#unprepossessing adj.#unattractive. During adolescence many attractive young people somehow acquire the false notion that their appearance is unprepossessing.#unravel v.#disentangle; solve. With equal ease Miss Marple unraveled tangled balls of yarn and baffling murder mysteries.#unrequited adj.#not reciprocated. Suffering the pangs of unrequited love, Olivia rebukes Cesario for his hardheartedness.#unruly adj.#disobedient; lawless. The only way to curb this unruly mob is to use tear gas.#unscathed adj.#unharmed. They prayed he would come back from the war unscathed.#unseemly adj.#unbecoming; indecent; in poor taste. When he put whoopie cushions on all the seats in the funeral parlor, his conduct was most unseemly.#unsightly adj.#ugly. Although James was an experienced emergency room nurse, he occasionally became queasy when faced with a particularly unsightly injury.#unstinting adj.#giving generously; not holding back. The dean praised the donor of the new science building for her unstinting generosity.#untenable adj.#indefensible; not able to be maintained. Wayne is so contrary that, the more untenable a position is, the harder he'll try to defend it.#unwarranted adj.# unjustified; groundless; undeserved. Your assumption that I would accept your proposal is unwarranted, sir; I do not want to marry you at all. We could not understand Martin's unwarranted rudeness to his mother's guests.#unwieldy adj.#awkward; cumbersome; unmanageable. The large carton was so unwieldy that the movers had trouble getting it up the stairs.#unwitting adj.#unintentional; not knowing. She was the unwitting tool of the swindlers.#upbraid v.#severely scold; reprimand. Not only did Miss Minchin upbraid Ermengarde for her disobedience, but she hung her up by her braids from a coat rack in the classroom.#uproarious adj.#marked by commotion; extremely funny; very noisy. The uproarious comedy hit Ace Ventura: Pet Detective starred Jim Carrey, whose comic mugging provoked gales of uproarious laughter from audiences coast to coast.#upshot n.#outcome. The upshot of the rematch was that the former champion proved that he still possessed all the skills of his youth.#urbane adj.#suave; refined; elegant. The courtier was urbane and sophisticated. urbanity, n.#usurp v.# seize another's power or rank. The revolution ended when the victorious rebel general succeeded in his attempt to usurp the throne.#utopia n.#ideal place, state, or society. Fed up with this imperfect universe, Don would have liked to run off to Shangri-la or some other imaginary utopia. utopian, adj.#