Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1472]
un·heard adjective 1 : not heard
2 : not granted a hearing
unheard–of adjective : previously unknown; especially : UNPRECEDENTED
un·he·ro·ic adjective : not heroic
un·hin·dered adjective : not hindered or restrained
Synonyms
intemperate, rampant, unbridled, unchecked, uncontrolled, ungoverned, unhampered, unrestrained—more at RAMPANT
un·hinge verb 1 : to take from the hinges
2 : to make unstable esp. mentally
Synonyms
craze, derange, madden—more at CRAZE
agitate, bother, concern, discompose, disquiet, distress, disturb, exercise, freak, perturb, undo, unsettle, upset, worry
un·hitch verb : UNFASTEN, LOOSE
un·ho·ly adjective 1 : not holy : PROFANE, WICKED
2 : very unpleasant — un·ho·li·ness noun un·hook verb : to loose from a hook un·horse verb : to dislodge from or as if from a horse un·hur·ried adjective : not hurried : in a leisurely manner uni·cam·er·al adjective : having a single legislative house or chamber UNI·CEF abbreviation [ORIGIN: United Nations International Children's Emergency Fund, its former name] United Nations Children's Fund uni·cel·lu·lar adjective : having or consisting of a single cell uni·corn noun [ORIGIN: ME unicorne, fr. AF, fr. LL unicornis, fr. L, having one horn, fr. unus one + cornu horn] : a mythical animal with one horn in the middle of the forehead uni·cy·cle noun : a vehicle that has a single wheel and is usu. propelled by pedals un·iden·ti·fied adjective : not identified though not necessarily unidentifiable Synonyms anonymous, certain, one, some, unnamed, unspecified—more at CERTAIN uni·di·rec·tion·al adjective : having, moving in, or responsive in a single direction uni·fi·ca·tion noun : the act, process, or result of unifying : the state of being unified Synonyms combination, connection, consolidation, coupling, junction, union—more at UNION 1uniform adjective 1 : not varying 2 : of the same form with others <~ procedures> — uni·form·ly adverb Synonyms steady, unchanging, undeviating, unvarying, unwavering; also immutable, invariable, unalterable, unchangeable Antonyms changing, deviating, varying 2uniform verb : to clothe with a uniform 3uniform noun : distinctive dress worn by members of a particular group (as an army or a police force) uni·for·mi·ty noun, plural -ties : the state of being uniform uni·fy verb -fied; -fy·ing : to make into a unit or a coherent whole : UNITE Synonyms associate, coalesce, combine, conjoin, connect, couple, fuse, join, link, marry, unite—more at UNITE uni·lat·er·al adjective : of, having, affecting, or done by one side only — uni·lat·er·al·ly adverb un·imag·in·able adjective : not imaginable or comprehensible Synonyms fantastic, implausible, inconceivable, incredible, unbelievable, unconvincing, unthinkable—more at INCREDIBLE un·im·peach·able adjective : not liable to accusation : BLAMELESS, IRREPROACHABLE un·im·por·tant adjective : lacking in importance Synonyms frivolous, inconsequential, inconsiderable, insignificant, little, minor, minute, negligible, slight, small, trifling, trivial; also paltry, petty, worthless; anonymous, nameless, obscure, unknown Antonyms important, major, meaningful, significant, substantial, weighty un·in·formed adjective : not informed; especially : lacking in knowledge, awareness, or information Synonyms ignorant, oblivious, unacquainted, unaware, unconscious, unknowing, unwitting—more at IGNORANT un·in·hib·it·ed adjective : free from inhibition; also : boisterously informal — un·in·hib·it·ed·ly adverb Synonyms demonstrative, effusive, emotional, unreserved, unrestrained—more at DEMONSTRATIVE un·in·struct·ed adjective : not instructed : deficient in knowledge or enlightenment un·in·tel·li·gent adjective : lacking intelligence Synonyms dense, dull, dumb, fatuous, mindless, obtuse, senseless, simple, slow, stupid, thick, vacuous, witless—more at STUPID un·in·tel·li·gi·ble adjective