3
ill-mannered(adjective, disagreeable, ill-tempered, ill-natured, unamiable)
3
incisive(adjective, characteristic, quality, weak, badness)
3
indiscriminating(adjective, laid-back, undemanding, unfussy, unfastidious)
3
inflaming(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
infuriating(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
iniquitous(adjective, bad, evil, dishonest, black)
3
interdicted(adjective, improper, inappropriate, indecent, incorrect)
3
intimidating(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
intolerable(adjective, improper, inappropriate, indecent, incorrect)
3
invidious(adjective, characteristic, quality, badness, crudeness)
3
irksome(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
iron-fisted(adjective, characteristic, calm, quality, gentle)
3
ironfisted(adjective, characteristic, quality, kind, badness)
3
jaundiced(adjective, characteristic, quality, badness, crudeness)
3
joyless(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
lackadaisical(adjective, laid-back, undemanding, unfussy, unfastidious)
3
lamentable(adjective, unpleasant, disagreeable, unwelcome, unpalatable)
3
lax(adjective, laid-back, undemanding, unfussy, unfastidious)
3
lenient(adjective, laid-back, undemanding, unfussy, unfastidious)
3
loose(adjective, laid-back, undemanding, unfussy, unfastidious)
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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>