| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| ultratropical | adjective | Situated beyond, or outside of, the tropics; extratropical; also, having an excessively tropical temperature; warmer than the tropics. |
| ultrazodiacal | adjective | Outside the zodiac; being in that part of the heavens that is more than eight degrees from the ecliptic; as, ultrazodiacal planets, that is, those planets which in part of their orbits go beyond the zodiac. |
| umbelliferone | noun | A tasteless white crystalline substance, C9H6O3, found in the bark of a certain plant (Daphne Mezereum), and also obtained by the distillation of certain gums from the Umbelliferae, as galbanum, asafetida, etc. It is analogous to coumarin. Called also hydroxy-coumarin. |
| umbelliferous | adjective | Producing umbels., Of or pertaining to a natural order (Umbelliferae) of plants, of which the parsley, carrot, parsnip, and fennel are well-known examples. |
| umbraculiform | adjective | Having the form of anything that serves to shade, as a tree top, an umbrella, and the like; specifically (Bot.), having the form of an umbrella; umbrella-shaped. |
| unaccountable | adjective | Not accountable or responsible; free from control., Not to be accounted for; inexplicable; not consonant with reason or rule; strange; mysterious. |
| unadulterated | adjective | Not adulterated; pure. |
| unappropriate | adjective | Inappropriate; unsuitable., Not appropriated., To take from private possession; to restore to the possession or right of all; as, to unappropriate a monopoly. |
| unbarricadoed | adjective | Not obstructed by barricades; open; as, unbarricadoed streets. |
| unbenevolence | noun | Absence or want of benevolence; ill will. |
| uncertainties | plural | of Uncertainty |
| unchristianly | adjective | Unchristian., In an unchristian manner. |
| uncircumcised | noun | Not circumcised; hence, not of the Israelites. |
| uncomfortable | adjective | Feeling discomfort; uneasy; as, to be uncomfortable on account of one’s position., Causing discomfort; disagreeable; unpleasant; as, an uncomfortable seat or situation. |
| unconceivable | adjective | Inconceivable. |
| unconcernment | noun | The state of being unconcerned, or of having no share or concern; unconcernedness. |
| unconditional | adjective | Not conditional limited, or conditioned; made without condition; absolute; unreserved; as, an unconditional surrender. |
| unconditioned | adjective | Not conditioned or subject to conditions; unconditional., Not subject to condition or limitations; infinite; absolute; hence, inconceivable; incogitable. |
| unconformable | adjective | Not conformable; not agreeable; not conforming., Not conformable; not lying in a parallel position; as, unconformable strata. |
| unconquerable | adjective | Not conquerable; indomitable. |
| unconsiderate | adjective | Inconsiderate; heedless; careless. |
| unconspicuous | adjective | Inconspicuous. |
| uncontestable | adjective | Incontestable. |
| uncorruptible | adjective | Incorruptible. |
| uncourtliness | noun | Absence of courtliness; rudeness; rusticity. |
| uncreatedness | noun | The quality or state of being uncreated. |
| uncunningness | noun | Ignorance. |
| undefatigable | adjective | Indefatigable. |
| underbuilding | noun | Same as Substruction. |
| underclothing | noun | Same as Underclothes. |
| underestimate | verb t. | To set to/ low a value on; to estimate below the truth., The act of underestimating; too low an estimate. |
| under-garment | noun | A garment worn below another. |
| undergraduate | noun | A member of a university or a college who has not taken his first degree; a student in any school who has not completed his course., Of or pertaining to an undergraduate, or the body of undergraduates. |
| underhandedly | adverb | In an underhand manner. |
| underminister | verb t. | To serve, or minister to, in a subordinate relation. |
| underministry | noun | A subordinate or inferior ministry. |
| underniceness | noun | A want of niceness; indelicacy; impropriety. |
| understanding | present participle & vb. noun | of Understand, Knowing; intelligent; skillful; as, he is an understanding man., The act of one who understands a thing, in any sense of the verb; knowledge; discernment; comprehension; interpretation; explanation., An agreement of opinion or feeling; adjustment of differences; harmony; anything mutually understood or agreed upon; as, to come to an understanding with another., The power to understand; the intellectual faculty; the intelligence; the rational powers collectively conceived an designated; the higher capacities of the intellect; the power to distinguish truth from falsehood, and to adapt means to ends., Specifically, the discursive faculty; the faculty of knowing by the medium or use of general conceptions or relations. In this sense it is contrasted with, and distinguished from, the reason. |
| understrapper | noun | A petty fellow; an inferior agent; an underling. |
| understratums | plural | of Understratum |
| undestroyable | adjective | Indestructible. |
| undeterminate | adjective | Nor determinate; not settled or certain; indeterminate. |
| undispensable | adjective | Indispensable., Unavoidable; inevitable., Not to be freed by dispensation. |
| undistinctive | adjective | Making no distinctions; not discriminating; impartial. |
| undomesticate | verb t. | To make wild or roving. |
| undulationist | noun | One who advocates the undulatory theory of light. |
| unembarrassed | adjective | Not embarrassed., Not perplexed in mind; not confused; as, the speaker appeared unembarrassed., Free from pecuniary difficulties or encumbrances; as, he and his property are unembarrassed., Free from perplexing connection; as, the question comes into court unembarrassed with irrelevant matter. |
| unempirically | adverb | Not empirically; without experiment or experience. |
| unessentially | adverb | In an unessential manner. |
| unexhaustible | adjective | Inexhaustible. |
| unexpectation | noun | Absence of expectation; want of foresight. |
| unexperienced | adjective | Not experienced; being without experience; inexperienced., Untried; — applied to things. |
| unexpressible | adjective | Inexpressible. |
| unforeseeable | adjective | Incapable of being foreseen. |
| unforeskinned | adjective | Deprived of the foreskin; circumcised. |
| unforgettable | adjective | Not forgettable; enduring in memory. |
| unibranchiate | adjective | Having but one gill, as certain molluscs. |
| uniflagellate | adjective | Having but one flagellum; as, uniflagellate organisms. |
| unimpeachable | adjective | Not impeachable; not to be called in question; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless; as, an unimpeachable reputation; unimpeachable testimony. |
| uninfringible | adjective | That may not be infringed; as, an uninfringible monopoly. |
| unitarianized | imp. & past participle | of Unitarianize |
| universalties | plural | of Universality |
| universalized | imp. & past participle | of Universalize |
| universalness | noun | The quality or state of being universal; universality. |
| unoperculated | adjective | Destitute of an operculum, or cover. |
| unoriginately | adverb | Without origin. |
| unpossibility | noun | Impossibility. |
| unpracticable | adjective | Impracticable; not feasible. |
| unprecedented | adjective | Having no precedent or example; not preceded by a like case; not having the authority of prior example; novel; new; unexampled. |
| unproficiency | noun | Want of proficiency or improvement. |
| unreformation | noun | Want of reformation; state of being unreformed. |
| unregenerated | adjective | Not regenerated; not renewed in heart; remaining or being at enmity with God. |
| unremembrance | noun | Want of remembrance; forgetfulness. |
| unremorseless | adjective | Utterly remorseless. |
| unreprievable | adjective | Not capable of being reprieved. |
| unresponsible | adjective | Irresponsible. |
| unsatiability | noun | Quality of being unsatiable; insatiability. |
| unsoutcheoned | adjective | Destitute of an escutcheon. |
| unsettledness | noun | The quality or state of being unsettled. |
| unsignificant | adjective | Insignificant. |
| unsociability | noun | The quality or state of being unsociable; unsociableness. |
| unspecialized | adjective | Not specialized; specifically (Biol.), not adapted, or set apart, for any particular purpose or function; as, an unspecialized unicellular organism. |
| unspiritalize | verb t. | To deprive of spiritually. |
| unsubstantial | adjective | Lacking in matter or substance; visionary; chimerical. |
| unsucceedable | adjective | Not able or likely to succeed. |
| unsufficience | noun | Alt. of Unsufficiency |
| unsufficiency | noun | Insufficiency. |
| unsupportable | adjective | Insupportable; unendurable. |
| unsymmetrical | adjective | Wanting in symmetry, or due proportion pf parts., 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., Being without symmetry of chemical structure or relation; as, an unsymmetrical carbon atom. |
| untangibility | noun | Intangibility. |
| untemperately | adverb | Intemperately. |
| unthriftfully | adverb | Not thriftily. |
| unthriftihead | noun | Alt. of Unthriftihood |
| unthriftihood | noun | Untriftiness. |
| unthriftiness | noun | The quality or state or being unthrifty; profuseness; lavishness. |
| unwarrantable | adjective | Not warrantable; indefensible; not vindicable; not justifiable; illegal; unjust; improper. |
| uprighteously | adverb | In an upright or just manner. |
| uralitization | noun | The change of pyroxene to amphibole by paramorphism. |
| uraniscoraphy | noun | Alt. of Uraniscorrhaphy |
| uranographist | noun | One practiced in uranography. |
| urethroplasty | noun | An operation for the repair of an injury or a defect in the walls of the urethra. |