4
slippery(adjective, wrong, corrupt, dishonest, unprincipled)
4
suggestive(adjective, wrong, dirty, coarse, foul)
4
ugly(evil, corrupt, dishonorable, sinful, depraved)
4
uninhibited(free, wild, unrestrained, wanton, uncontrolled)
4
unregenerate(adjective, bad, evil, wicked, deceitful)
4
unsavory
4
unseemly(adjective, wrong, offensive, rude, coarse)
4
venal(adjective, corrupt, dishonest, unprincipled, unethical)
4
vulgar(adjective, evil, rude, base, dirty)
3
bad to the bone
3
baseborn
3
cheating(adjective, bad, wrong, corrupt, dishonest)
3
corrupted
3
debauchee(noun, attitude, behavior, sexual moral, sexual activity)
3
degraded(adjective, evil, corrupt, dishonest, degenerate)
3
detestable(adjective, evil, wicked, despicable, reprehensible)
3
disreputable(adjective, bad, wrong, easy, evil)
3
effete(adjective, weak, corrupt, exhausted, debased)
3
evil-minded(adjective, vulgar, indecent, lewd)
3
execrable
11 years ago|30k views|share |citing 
APASmart Define. (2015). immoral thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/immoral/thesaurus/synonyms
ChicagoSmart Define. 2015. "immoral thesaurus" https://smartdefine.org/immoral/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, immoral thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/immoral/thesaurus/synonyms>.
MLASmart Define. "immoral thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/immoral/thesaurus/synonyms>