58
sinful(adjective, bad, right, evil, wicked)
49
wicked(adjective, mean, bad, right, wrong)
37
evil(adjective, bad, right, wicked, immoral)
28
immoral(adjective, right, wrong, evil, wicked)
27
villainous(adjective, bad, wrong, evil, offensive)
26
bad(adjective, mean, right, wrong, evil)
26
depraved(adjective, bad, wrong, evil, corrupt)
24
corrupt(adjective, wrong, evil, wicked, dishonest)
24
vile(adjective, mean, bad, wrong, evil)
20
base(adjective, bad, wrong, evil, offensive)
20
flagitious(adjective, wrong, evil, corrupt, wicked)
20
heinous(adjective, bad, wrong, evil, offensive)
20
vicious(adjective, bad, right, wrong, evil)
17
foul(adjective, mean, bad, wrong, evil)
16
atrocious(adjective, wrong, evil, corrupt, wicked)
16
criminal(adjective, bad, wrong, evil, wicked)
16
nefarious(adjective, bad, wrong, evil, offensive)
16
wrong(adjective, bad, right, evil, corrupt)
15
abominable(adjective, bad, wrong, evil, offensive)
15
outrageous(adjective, bad, evil, offensive, terrible)
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APASmart Define. (2015). iniquitous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/iniquitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "iniquitous thesaurus" https://smartdefine.org/iniquitous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, iniquitous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/iniquitous/thesaurus/synonyms>.
MLASmart Define. "iniquitous thesaurus" 3 August 2015. Web. 20 September 2026. <https://smartdefine.org/iniquitous/thesaurus/synonyms>