671 entries under bad topic. ×

19
profane(adjective, verb, offensive, dirty, wicked)
19
smelly(adjective, strong, spot, informal)
18
rotten(adjective, good, strong, wrong)
18
heinous(adjective, wrong, blue, evil)
18
beastly(adjective, adverb, nasty, low)
18
mephitic(adjective, strong, offensive, sweet)
18
outrageous(adjective, blue, evil, nasty)
18
villainous(adjective, mean, wrong, evil)
18
yucky(adjective, nasty, offensive, unpleasant)
17
base(noun, adjective, adverb, characteristic, mean)
17
bawdy(adjective, dirty, rude, raw, nasty)
17
foetid(adjective, feature, spot, awful)
17
iniquitous(adjective, mean, wrong, evil)
17
shameful(adjective, characteristic, wrong, evil)
16
vicious(adjective, wrong, evil, nasty)
16
despicable(adjective, good, evil, nasty)
16
nefarious(adjective, good, wrong, evil)
15
depraved(adjective, adverb, wrong, evil)
15
impure(adjective, dull, mixed, blue)
15
polluted(adjective, nasty, offensive, unpleasant)
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APASmart Define. (2016). foul thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foul/thesaurus/synonyms
ChicagoSmart Define. 2016. "foul thesaurus" https://smartdefine.org/foul/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, foul thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foul/thesaurus/synonyms>.
MLASmart Define. "foul thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/foul/thesaurus/synonyms>