5
hellish(adjective, evil, mysterious, atrocious, outrageous)
5
illegal(adjective, bad, wrong, corrupt, vicious)
5
mean(adjective, bad, wrong, evil, low)
5
outrageous(adjective, blue, evil, nasty, offensive)
5
profane(adjective, wicked)
5
repulsive(adjective, evil, offensive, corrupt, foul)
5
revolting(adjective, evil, corrupt, shameful, sinful)
5
rotten(adjective, mean, bad, wrong, evil)
5
sinister(adjective, wicked)
5
uncleanly(adjective, good, nasty, restraint, dirty)
5
underhanded(adjective, low, corrupt, dishonest, deceitful)
5
unfair(adjective, bad, wrong, evil, corrupt)
5
unholy(adjective, bad, evil, wicked, shocking)
5
untrustworthy(adjective, careless, foolish, corrupt, dishonest)
4
awful(adjective, wicked)
4
bawdy(adjective, offensive, dirty, coarse, foul)
4
blameworthy(adjective, bad, evil, corrupt, wicked)
4
coarse(adjective, blue, evil, nasty, offensive)
4
damnable(adjective, bad, evil, corrupt, vile)
4
defective(adjective, impure)
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>