13
flagitious
13
foul(adjective, bad, wrong, blue, evil)
13
lecherous(adjective, attitude, loose, behavior, vulgar)
13
nefarious(adjective, bad, wrong, evil, base)
13
promiscuous(adjective, easy, attitude, wild, loose)
12
dishonourable
12
filthy(adjective, blue, evil, nasty, offensive)
12
unscrupulous(adjective, bad, wrong, evil, corrupt)
11
dark(adjective, bad, evil, black, mysterious)
11
dishonorable(adjective, bad, wrong, low, corrupt)
11
fast(adjective, free, evil, informal, wild)
11
smutty(adjective, blue, nasty, offensive, rude)
10
libidinous(adjective, attitude, loose, behavior, vulgar)
10
lustful(adjective, attitude, loose, behavior, vulgar)
10
perverse(adjective, wicked)
10
scandalous(adjective, wrong, corrupt, coarse, wicked)
10
wild(adjective, free, careless, wicked, degenerate)
9
abominable(adjective, wrong, evil, wicked, dishonorable)
9
crooked(adjective, bad, wrong, corrupt, vicious)
9
immodest(adjective, blue, offensive, rude, dirty)
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>