11
inappropriate(adjective, improper, indecent, incorrect, indecorous)
11
pleasureless(adjective, improper, inappropriate, indecent, incorrect)
11
unamiable(adjective, improper, inappropriate, indecent, incorrect)
11
unethical(adjective, improper, inappropriate, indecent, incorrect)
11
ungenial(adjective, improper, inappropriate, indecent, incorrect)
11
ungenteel(adjective, improper, inappropriate, indecent, incorrect)
11
ungracious(adjective, improper, inappropriate, indecent, incorrect)
10
unrighteous(adjective, improper, inappropriate, indecent, incorrect)
10
wrong(adjective, improper, inappropriate, indecent, incorrect)
10
not good(expression, adjective, characteristic, quality, badness)
9
half ass(expression, adjective, characteristic, quality, badness)
9
creepy(adjective, characteristic, quality, nasty, badness)
9
unsuitable(adjective, improper, inappropriate, indecent, incorrect)
8
cool(adjective, improper, inappropriate, indecent, incorrect)
8
obnoxious(adjective, good, unpleasant, disagreeable, delightful)
8
undiscriminating(adjective, laid-back, undemanding, unfussy, unfastidious)
8
informal(adjective, improper, inappropriate, indecent, incorrect)
8
laid-back(adjective, undemanding, unfussy, unfastidious, unceremonious)
7
cantankerous(adjective, pleasant, difficult, disagreeable, crabby)
7
offensive(adjective, good, bad, pleasant, evil)
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APASmart Define. (2016). nice thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/nice/thesaurus/antonyms
ChicagoSmart Define. 2016. "nice thesaurus" https://smartdefine.org/nice/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, nice thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/nice/thesaurus/antonyms>.
MLASmart Define. "nice thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/nice/thesaurus/antonyms>