4
base(adjective, good, low, vulgar, high)
4
depraved
4
notorious
4
wicked(adjective, bad, corrupt)
3
wrong(adjective, dishonest, immoral)
3
bad to the bone
3
criminal(adjective, good, legal, lawless, felonious)
3
debauched
3
dirty(adjective, clear, bright, obscene, pornographic)
3
dissipated
3
fast
3
improper(adjective, right, reasonable, vulgar, immoral)
3
indecent
3
infamous(adjective, shameful, reputation)
3
iniquitous
3
low(adjective, vulgar, crude)
3
naughty(adjective, vulgar, obscene)
3
not good
3
perverted
3
profligate(adjective, corrupt, immoral)
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APASmart Define. (2016). moral thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/moral/thesaurus/antonyms
ChicagoSmart Define. 2016. "moral thesaurus" https://smartdefine.org/moral/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, moral thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/moral/thesaurus/antonyms>.
MLASmart Define. "moral thesaurus" 1 March 2016. Web. 24 September 2026. <https://smartdefine.org/moral/thesaurus/antonyms>