Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1484]
Synonyms
clean, immaculate, spick-and-span, spotless, stainless, unsoiled—more at CLEAN
un·sung adjective 1 : not sung
2 : not celebrated in song or verse or otherwise praised <~ heroes>
Synonyms
anonymous, nameless, obscure, unknown—more at OBSCURE
un·sup·port·able adjective : not supportable : hardly to be suffered or borne
Synonyms
insufferable, insupportable, intolerable, unbearable, unendurable—more at UNBEARABLE
un·sup·port·ed adjective 1 a : not supported or verified
b : not backed up or assisted
2 : not held up or sustained
Synonyms
baseless, groundless, invalid, unfounded, unreasonable, unsubstantiated, unwarranted—more at BASELESS
un·sure adjective 1 : lacking confidence or assurance
2 : not having certain knowledge
3 : marked by lack of confidence, assurance, or certainty
4 : not steadfast or stable
Synonyms
[1, 3] distrustful, doubtful, dubious, mistrustful, skeptical, suspicious, uncertain, undecided, unsettled—more at DOUBTFUL
un·sur·passed adjective : not surpassed or exceeded usu. in excellence
Synonyms
incomparable, inimitable, matchless, nonpareil, only, peerless, unequaled, unmatched, unparalleled, unrivaled—more at ONLY
un·sus·pect·ing adjective 1 : not suspecting : not being suspicious
2 : deficient in worldly wisdom or informed judgment
un·sus·pi·cious adjective : UNSUSPECTING
un·swerv·ing adjective 1 : not swerving or turning aside
2 : STEADY
un·sym·pa·thet·ic adjective : not sympathetic : not responsive
Synonyms
callous, hard, heartless, merciless, pitiless, stony, uncharitable, unfeeling
chill, chilly, cold, cold-blooded, cool, frigid, frosty, glacial, icy, unfriendly, wintry—more at COLD
un·tamed adjective : not tamed or cultivated; especially : WILD
Synonyms
feral, savage, unbroken, undomesticated, wild—more at WILD
un·tan·gle verb 1 : to loose from tangles or entanglement : DISENTANGLE
2 : to straighten out : RESOLVE <~ a problem>
Synonyms
disentangle, unravel, untwine—more at UNRAVEL
clear, disengage, disentangle, extricate, free, liberate, release—more at EXTRICATE
un·taught adjective 1 : not instructed or taught : IGNORANT
2 : NATURAL, SPONTANEOUS <~ kindness>
Synonyms
dark, ignorant, illiterate, simple, uneducated, unlearned—more at IGNORANT
un·think·able adjective : not to be thought of or considered as possible <~ cruelty>
Synonyms
fantastic, implausible, inconceivable, incredible, unbelievable, unconvincing, unimaginable—more at INCREDIBLE
un·think·ing adjective : not thinking; especially : THOUGHTLESS, HEEDLESS
— un·think·ing·ly adverb
un·thought adjective : not anticipated : UNEXPECTED — often used with of un·thrifty adjective 1 : marked by lack of thrift 2 : not thriving or prospering 3 : not given to thrift or saving Synonyms extravagant, prodigal, profligate, spendthrift, thriftless, wasteful—more at PRODIGAL un·ti·dy adjective 1 : not fit 2 a : not neat in appearance b : not neat in habits or procedure 3 a : not neatly organized or carried out b : marked by or conducive to a lack of neatness Synonyms [2a] dowdy, frowsy, sloppy, slovenly, unkempt—more at SLOPPY [3a, b] chaotic, confused, disheveled, disordered, messy—more at MESSY un·tie verb -tied; -ty·ing or -tie·ing 1 : to free from something that ties, fastens, or restrains : UNBIND 2 : DISENTANGLE, RESOLVE 3 : to become loosened or unbound Synonyms unbind, undo; also unlace; disentangle, ravel, unravel, unsnarl, untangle, unwind; loose, loosen Antonyms bind, fasten, knot, lash, tie 1until preposition : up to the time of 2until conjunction 1 : up to the time that 2 : to the point or degree that 1untimely adverb : at an inopportune time : UNSEASONABLY; also : PREMATURELY 2untimely adjective 1 : happening, arriving, existing, or performed before the proper, usual, or intended time <~ death> 2 : not convenient