Webster's Unabridged Dictionary - Letter U - Page 26
Unswathe (v. t.) To take a swathe from; to relieve from a bandage; to unswaddle. -- Addison.
Unswayable (a.) Not capable of being swayed. -- Shak.
Unswear (v. t.) To recant or recall, as an oath; to recall after having sworn; to abjure. -- J. Fletcher.
Unswear (v. i.) To recall an oath. -- Spenser.
Unsweat (v. t.) To relieve from perspiration; to ease or cool after exercise or toil. [R.] -- Milton.
Unswell (v. t.) To sink from a swollen state; to subside. [Obs.] -- Chaucer.
Unsymmetrical (a.) 非對稱的，不均勻的，不調和的 Wanting in symmetry, or due proportion pf parts.
Unsymmetrical (a.) (Biol.) Not symmetrical; being without symmetry, as the parts of a flower when similar parts are of different size and shape, or when the parts of successive circles differ in number. See Symmetry.
Unsymmetrical (a.) (Chem.) Being without symmetry of chemical structure or relation; as, an unsymmetrical carbon atom.
Unsymmetrical carbon atom (Chem.), One which is united at once to four different atoms or radicals. This condition usually occasions physical isomerism, with the attendant action on polarized light.
Unsymmetrical (a.) Lacking symmetry [syn: {unsymmetric}, {unsymmetrical}].
Unsymmetrical (a.) Having unsymmetrical parts or unequal dimensions or measurements [syn: {anisometric}, {unsymmetrical}].
Unsymmetrical dimethylhydrazine (n.) 偏二甲肼，或稱1,1-二甲基聯氨、偏二甲基聯胺、偏二甲基肼，分子式(CH3)2NNH2，英文縮寫UDMH（Unsymmetrical dimethylhydrazine），無色易燃液體。 Unsymmetrical dimethylhydrazine (UDMH; 1,1-dimethylhydrazine) is a chemical compound with the formula H2NN(CH3)2. It is a colorless liquid, with a sharp, fishy, ammoniacal smell typical for organic amines. Samples turn yellowish on exposure to air and absorb oxygen and carbon dioxide. It mixes completely with water, ethanol, and kerosene. In concentration between 2.5% and 95% in air, its vapors are flammable. It is not sensitive to shock. 1,2-Dimethylhydrazine (CH3NHNHCH3) is also known but is not as useful. [4]
Unsymmetrically (adv.) Not symmetrically.
Unsymmetrically (adv.) In an asymmetrical manner; "they were asymmetrically arranged" [syn: {asymmetrically}, {unsymmetrically}] [ant: {symmetrically}].
Compare: Symmetrically
Symmetrically (adv.) 相稱性地；對稱地；勻稱地 Involving or exhibiting symmetry; proportional in parts; having its parts in due proportion as to dimensions; as, a symmetrical body or building.
Symmetrically (adv.) (Biol.) Having the organs or parts of one side corresponding with those of the other; having the parts in two or more series of organs the same in number; exhibiting a symmetry. See Symmetry, 2.
Symmetrically (adv.) (Bot.) (a) Having an equal number of parts in the successive circles of floral organs; -- said of flowers.
Symmetrically (adv.) (Bot.) (b) Having a likeness in the form and size of floral organs of the same kind; regular.
Symmetrically (adv.) (Math.) Having a common measure; commensurable.
Symmetrically (adv.) (Math.) Having corresponding parts or relations.
Note: A curve or a plane figure is symmetrical with respect to a given line, and a line, surface, or solid with respect to a plane, when for each point on one side of the line or plane there is a corresponding point on the other side, so situated that the line joining the two corresponding points is perpendicular to the line or plane and is bisected by it. Two solids are symmetrical when they are so situated with respect to an intervening plane that the several points of their surfaces thus correspond to each other in position and distance. In analysis, an expression is symmetrical with respect to several letters when any two of them may change places without affecting the expression; as, the expression a^{2b + ab^{2} + a^{2}c + ac^{2} + b^{2c + bc^{2}, is symmetrical with respect to the letters a, b, c. -- Sym*met"ric*al*ly, adv. -- Sym*met"ric*al*ness, n.
Symmetrically (adv.) In a symmetrical manner; "they were symmetrically arranged" [ant: asymmetrically, unsymmetrically].
Unsympathy (n.) Absence or lack of sympathy.
Untack (v. t.) 將（以大頭針釘牢的東西）弄鬆 To separate, as what is tacked; to disjoin; to release.
Being untacked from honest cares. -- Barrow.
Untackle (v. t.) To unbitch; to unharness. [Colloq.] -- Tusser.
Untalked (a.) Not talked; not mentioned; -- often with of. -- Shak.
Untangibility (n.) Intangibility.
Untangible (a.) Intangible. [R.]
Compare: Intangible
Intangible (a.) Not tangible; incapable of being touched; not perceptible to the touch; impalpable; imperceptible. -- Bp. Wilkins.
A corporation is an artificial, invisible, intangible being. -- Marshall. -- In*tan"gi*ble*ness, n. -- In*tan"gi*bly, adv.
Intangible (a.) (of especially business assets) not having physical substance or intrinsic productive value; "intangible assets such as good will" [ant: tangible].
Intangible (a.) Incapable of being perceived by the senses especially the sense of touch; "the intangible constituent of energy" -- James Jeans [syn: intangible, impalpable] [ant: tangible, touchable].
Intangible (a.) Hard to pin down or identify; "an intangible feeling of impending disaster."
Intangible (a.) Lacking substance or reality; incapable of being touched or seen; "that intangible thing--the soul" [syn: intangible, nonphysical].
Intangible (n.) Assets that are saleable though not material or physical [syn: intangible, intangible asset].
Untangibly (adv.) Intangibly. [R.]
Untangle (v. t.) To loose from tangles or intricacy; to disentangle; to resolve; as, to untangle thread.
Untangle but this cruel chain. -- Prior.
Untangle (v.) Release from entanglement of difficulty; "I cannot extricate myself from this task" [syn: extricate, untangle, disentangle, disencumber].
Untangle (v.) Become or cause to become undone by separating the fibers or threads of; "unravel the thread" [syn: unravel, unknot, unscramble, untangle, unpick] [ant: knot, ravel, tangle].
Untappice (v. i.) To come out of concealment. [Obs.] -- Massinger.
Untaste (v. t.) To deprive of a taste for a thing. [R.] -- Daniel.
Unteach (v. t.) To cause to forget, or to lose from memory, or to disbelieve what has been taught.
Experience will unteach us. -- Sir T. Browne.
One breast laid open were a school Which would unteach mankind the lust to shine or rule. -- Byron.
Unteach (v. t.) To cause to be forgotten; as, to unteach what has been learned. -- Dryden.
Unteach (v.) Cause to disbelieve; teach someone the contrary of what he or she had learned earlier.
Unteach (v.) Cause to unlearn; "teach somebody to unlearn old habits or methods."
Unteam (v. t.) To unyoke a team from. [R.] -- Jer. Taylor.
Untemper (v. t.) To deprive of temper, or of the proper degree of temper; to make soft.
Untemperate (a.) Intemperate. [Obs.]
Untemperately (adv.) Intemperately.
Untempter (n.) One who does not tempt, or is not a tempter. [Obs.] -- Wyclif.
Untenable (a.) See {tenable}.
Untenable (a.) 難以防守的，不能防守的；（論據等）站不住腳的；不能租賃的 (Of theories etc) Incapable of being defended or justified [syn: {indefensible}, {untenable}].
Untenant (v. t.) To remove a tenant from. [R.] -- Coleridge.
Untent (v. t.) To bring out of a tent. [R.] -- Shak.
Untented (a.) Having no tent or tents, as a soldier or a field.
Untented (a.) Not tended; not dressed. See 4th Tent.
The untented woundings of a father's curse Pierce every sense about thee! -- Shak.
Unthank (n.) No thanks; ill will; misfortune. [Obs.]
Unthank come on his head that bound him so. -- Chaucer.
Unthink (v. t.) To recall or take back, as something thought. -- Shak.
Unthinker (n.) A person who does not think, or does not think wisely.
Unthinking (a.) Not thinking; not heedful; thoughtless; inconsiderate; as, unthinking youth.
Unthinking (a.) Not indicating thought or reflection; thoughtless.
With earnest eyes, and round unthinking face, He first the snuffbox opened, then the case. -- Pope. -- Un*think"ing*ly, adv. -- Un*think"ing*ness, n.
Unthinking (adv.) In a thoughtless manner; "he stared thoughtlessly at the picture" [syn: thoughtlessly, unthinkingly, unthinking] [ant: thoughtfully].
Unthinking (a.) Not exhibiting or characterized by careful thought [syn: unreflective, unthinking, unthoughtful].
Unthinking (a.) Without care or thought for others; "the thoughtless saying of a great princess on being informed that the people had no bread; `Let them eat cake'" [syn: thoughtless, uncaring, unthinking].
Unthinking (a.) Mentally sluggish [syn: lumpish, lumpen, unthinking].
Unthread (v. t.) To draw or take out a thread from; as, to unthread a needle.
Unthread (v. t.) To deprive of ligaments; to loose the ligaments of.
He with his bare wand can unthread thy joints. -- Milton.
Unthread (v. t.) To make one's way through; to traverse; as, to unthread a devious path. -- De Quincey.
Unthrift (n.) Want of thrift; untriftiness; prodigality.
Unthrift (n.) An unthrifty person. [Obs.] -- Dryden.
Unthrift (a.) Unthrifty. [Obs.]
Unthriftfully (adv.) Not thriftily. [Obs.] "Unthriftfully spent." -- Sir J. Cheke. Unthriftihead
Unthriftihead (n.) Alt. of Unthriftihood.
Unthriftihood (n.) Untriftiness. [Obs.] -- Spenser.
Unthriftily (adv.) Not thriftily.
Unthriftily (adv.) Improperly; unbecomingly. [Obs.] -- Chaucer.
Unthriftiness (n.) The quality or state or being unthrifty; profuseness; lavishness. -- Udall.
Unthrifty (a.) Not thrifty; profuse. -- Spenser.
Unthrone (v. t.) To remove from, or as from, a throne; to dethrone. -- Milton.
Untidy, () See tidy.
Untidy (a.) Unseasonable; untimely. [Obs.] "Untidy tales." -- Piers Plowman.
Untidy (a.) Not tidy or neat; slovenly. -- Un*ti"di*ly, adv. -- Un*ti"di*ness, n.
Untie (v. t.) To loosen, as something interlaced or knotted; to disengage the parts of; as, to untie a knot.
Sacharissa's captive fain Would untie his iron chain. -- Waller.
Her snakes untied, sulphurous waters drink. -- Pope.
Untie (v. t.) To free from fastening or from restraint; to let loose; to unbind.
Though you untie the winds, and let them fight Against the churches. -- Shak.
All the evils of an untied tongue we put upon the accounts of drunkenness. -- Jer. Taylor.
Untie (v. t.) To resolve; to unfold; to clear.
They quicken sloth, perplexities untie. -- Denham.
Untie (v. i.) To become untied or loosed.
Untighten (v. t.) To make less tight or tense; to loosen.
Until (prep.) To; unto; towards; -- used of material objects.
Until (prep.) To; up to; till; before; -- used of time; as, he staid until evening; he will not come back until the end of the month.
Until (conj.) As far as; to the place or degree that; especially, up to the time that; till. See Till, conj.
Untile (v. t.) To take the tiles from; to uncover by removing the tiles.
Untime (n.) An unseasonable time.
Untimeliness (n.) Unseasonableness.
Untimeliness (n.) Being at an inappropriate time [syn: unseasonableness, untimeliness] [ant: seasonableness, timeliness].
Untimeliness (n.) The quality of occurring at an inconvenient time [syn: inopportuneness, untimeliness] [ant: opportuneness, patness, timeliness].
Untimely (a.) Not timely; done or happening at an unnatural, unusual, or improper time; unseasonable; premature; inopportune; as, untimely frosts; untimely remarks; an untimely death.
Untimely (adv.) Out of the natural or usual time; inopportunely; prematurely; unseasonably. "Let them know . . . what's untimely done." -- Shak.
Untimely (adv.) Too soon; in a premature manner; "I spoke prematurely" [syn: prematurely, untimely].
Untimely (a.) Badly timed; "an ill-timed intervention"; "you think my intrusion unseasonable"; "an untimely remark"; "it was the wrong moment for a joke" [syn: ill-timed, unseasonable, untimely, wrong].
Untimely (a.) Uncommonly early or before the expected time; "illness led to his premature death"; "alcohol brought him to an untimely end" [syn: premature, untimely].
Untimeous (a.) Untimely. [R.] -- Sir W. Scott.
Untimeously (adv.) Untimely; unseasonably. [R.]
Untithed (a.) Not subjected tithes.
Untitled (a.) Not titled; having no title, or appellation of dignity or distinction. -- Spenser.
Untitled (a.) Being without title or right; not entitled. -- Shak.
Untitled (a.) Not of the nobility; "of ignoble (or ungentle) birth"; "untitled civilians" [syn: ignoble, ungentle, untitled].
Unto (prep.) To; -- now used only in antiquated, formal, or scriptural style. See To.
Unto (prep.) Until; till. [Obs.] "He shall abide it unto the death of the priest." -- Num. xxxv. 25.
Unto (conj.) Until; till. [Obs.] "Unto this year be gone." -- Chaucer.
Untold (a.) Not told; not related; not revealed; as, untold secrets.
Untold (a.) Not numbered or counted; as, untold money.
Untold (a.) Of an incalculable amount; "untold suffering."
Untolerable (a.) Intolerable. [Obs.]
Untomb (v. t.) To take from the tomb; to exhume; to disinter. -- Fuller.
Untongue (v. t.) To deprive of a tongue, or of voice. [Obs.] -- Fuller.
Untoward (a.)
Untouchable, () See touchable.
Untouchable (a.) Beyond the reach of criticism or attack or impeachment; "for the first time criticism was directed at a hitherto untouchable target" -- Newsweek.
Untouchable (a.) Impossible to assail [syn: unassailable, untouchable].
Untouchable (a.) Forbidden to the touch; "in most museums such articles are Untouchable."
Untouchable (a.) ( Especially used in traditional Hindu belief of the lowest caste or castes) Defiling.
Untouchable (a.) Not capable of being obtained; "a rare work, today almost inaccessible"; "timber is virtually unobtainable in the islands"; "untouchable resources buried deep within the earth" [syn: inaccessible, unobtainable, unprocurable, untouchable].
Untouchable (n.) Belongs to lowest social and ritual class in India [syn: untouchable, Harijan].
Untouchable (a.) (Protected) 不可懲罰的；不許批評的；不可改變的 Not able to be punished, criticized, or changed in any way.
// He believed the police would never arrest him, that he was untouchable.
Untouchable (a.) (Not defeated) 無法擊敗的；無法企及的 Not able to be defeated or to be as good as.
// Coventry City have proved untouchable this season - they've just won their sixth consecutive game.
Untouchable (n.) [ C ] （印度社會的）賤民，不可接觸者 A member of the lowest social group in Indian society.
Untoward (prep.) Toward. [Obs.] -- Gower.
Untoward (a.) Froward; perverse. "Save yourselves from this untoward generation." -- Acts ii. 40.
Untoward (a.) Awkward; ungraceful. "Untoward words." -- Creech. "Untoward manner." -- Swift.
Untoward (a.) Inconvenient; troublesome; vexatious; unlucky; unfortunate; as, an untoward wind or accident. [1913 Webster] -- Un*to"ward*ly, adv. -- Un*to"ward*ness, n.
Untoward (a.) Not in keeping with accepted standards of what is right or proper in polite society; "was buried with indecent haste"; "indecorous behavior"; "language unbecoming to a lady"; "unseemly to use profanity"; "moved to curb their untoward ribaldry" [syn: indecent, indecorous, unbecoming, uncomely, unseemly, untoward].
Untoward (a.) Contrary to your interests or welfare; "adverse circumstances"; "made a place for themselves under the most untoward conditions" [syn: adverse, inauspicious, untoward].
Untowardly (a.) Perverse; froward; untoward. "Untowardly tricks and vices." -- Locke.
Untraded (a.) Not dealt with in trade; not visited for purposes of trade. [Obs.] -- Hakluyt
Untraded (a.) Unpracticed; inexperienced. [Obs.] -- Udall.
Untraded (a.) Not traded in or bartered; hence, not hackneyed; unusual; not common. -- Shak.
Untrained (a.) Not trained. -- Shak.
Untrained (a.) Not trainable; indocile. [Obs.] -- Herbert.
Untrained (a.) Not disciplined or conditioned or made adept by training; "an untrained voice"; "untrained troops"; "young minds untrained in the habit of concentration" [ant: trained].
Untrammeled (a.) Not hampered or impeded; free. [Written also untrammelled.]
Untrammeled (a.) Not confined or limited; "the gift of a fresh eye and an untrammeled curiosity"- Russell Lord; "the untrammeled rush that the snows had shown in the first spring sun" -- Farley Mowat [syn: untrammeled, untrammelled].
Untraveled (a.) Not traveled; not trodden by passengers; as, an untraveled forest.
Untraveled (a.) Having never visited foreign countries; not having gained knowledge or experience by travel; as, an untraveled Englishman. -- Addison.
Untraveled (a.) Not traveled over or through; "untraveled roads" [syn: untraveled, untravelled] [ant: traveled].
Untread (v. t.) To tread back; to retrace. -- Shak.
Untreasure (v. t.) To bring forth or give up, as things previously treasured. "The quaintness with which he untreasured, as by rote, the stores of his memory." -- J. Mitford.
Untreasured (a.) Deprived of treasure. [Obs.] -- Shak.
Untreasured (a.) Not treasured; not kept as treasure.
Untreatable (a.) Incapable of being treated; not practicable. [R.] -- Dr. H. More.
Untrenched, () See trenched.
Untrenched (a.) Being without trenches; whole; intact. [Obs.]
Untressed (a.) Not tied up in tresses; unarranged; -- said of the hair. -- Chaucer.
Untrowable (a.) Incredible. [Obs.] "Untrowable fairness." -- Wyclif.