13
ugly(adjective, mean, bad, unpleasant, improper)
13
unacceptable(adjective, good, agreeable, improper, inappropriate)
13
unfriendly(adjective, mean, bad, friendly, nasty)
13
unpalatable(adjective, improper, inappropriate, indecent, incorrect)
13
unwelcome(adjective, welcome, improper, inappropriate, indecent)
13
wicked(adjective, bad, corrupt, improper, inappropriate)
12
improper(adjective, bad, evil, informal, dishonest)
12
coarse(adjective, fine, rude, laid-back, undemanding)
12
dishonorable(adjective, improper, inappropriate, indecent, incorrect)
12
incorrect(adjective, bad, evil, dishonest, improper)
12
unbecoming(adjective, bad, evil, dishonest, improper)
12
unseemly(adjective, bad, evil, dishonest, improper)
11
indelicate(adjective, vulgar, improper, inappropriate, indecent)
11
inexact(adjective, laid-back, undemanding, unfussy, unfastidious)
11
sinful(adjective, improper, inappropriate, indecent, incorrect)
11
violent(adjective, characteristic, calm, quality, weak)
11
aloof(adjective, improper, inappropriate, indecent, incorrect)
11
dishonest(adjective, improper, inappropriate, indecent, incorrect)
11
evil-minded(adjective, improper, inappropriate, indecent, incorrect)
11
immoral(adjective, improper, inappropriate, indecent, incorrect)
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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>