173 entries under immoral topic. ×

14
tainted(adjective, bad, spoil, offensive, unpleasant)
14
ugly(adjective, dull, bad, evil, like)
13
mean(adjective, good, bad, wrong, evil)
12
abusive(adjective, nasty, offensive, rude, unpleasant)
12
grisly(adjective, evil, nasty, plain, unpleasant)
11
contaminated(adjective, nasty, offensive, unpleasant, violent)
11
defiled(adjective, nasty, dirty, coarse, vile)
11
grubby(adjective, dull, bad, flat, nasty)
10
cheating(adjective, dirty, unreasonable, dishonest)
10
indelicate(adjective, dull, rough, nasty, low)
10
malicious(adjective, mean, bad, wrong, evil)
10
unscrupulous(adjective, mean, nasty, base, dirty)
10
unsporting(adjective, dirty, unreasonable, dishonest)
9
damnable(adjective, bad, evil, nasty, awful)
9
immodest(adjective, blue, nasty, offensive, rude)
9
malevolent(adjective, mean, bad, wrong, evil)
9
shady(adjective, dirty, corrupt, dishonest, raw)
8
crooked(adjective, mean, base, corrupt, dishonest)
8
cruel(adjective, adverb, mean, evil, low)
8
debased(adjective, bad, wrong, evil, nasty)
10 years ago|60k views|share |citing 
APASmart Define. (2016). foul thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/foul/thesaurus/synonyms
ChicagoSmart Define. 2016. "foul thesaurus" https://smartdefine.org/foul/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, foul thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/foul/thesaurus/synonyms>.
MLASmart Define. "foul thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/foul/thesaurus/synonyms>