4
curmudgeonly(adjective, abrupt, gruff, brusque)
4
disagreeable(adjective, tough, severe, difficult, harsh)
4
dissolute(evil, low, corrupt, vicious, debased)
4
faulty
4
flagitious(adjective, good, evil, clean, low)
4
freakish(adjective, deformed)
4
ill-natured(adjective, difficult, unpleasant, disagreeable, crabby)
4
infamous(adjective, evil, low, corrupt, vicious)
4
mean(adjective, hard, tough, unpleasant, violent)
4
negative(hostile, different, adverse, harmful, discordant)
4
opinionated(adjective, tough, firm, determined, resolute)
4
peculiar
4
reprobate
4
sinister(adjective, nasty, wicked, menacing)
4
uncompromising(adjective, mean, hard, firm, deliberate)
4
unfriendly(adjective, mean, nasty, unpleasant, dirty)
4
wrong-headed(adjective, determined, fixed, stubborn)
3
strange
3
acrimonious(adjective, tough, severe, low, sad)
3
amiss
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APASmart Define. (2016). perverse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perverse/thesaurus/synonyms
ChicagoSmart Define. 2016. "perverse thesaurus" https://smartdefine.org/perverse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, perverse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perverse/thesaurus/synonyms>.
MLASmart Define. "perverse thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/perverse/thesaurus/synonyms>