671 entries under bad topic. ×

15
rancid(adjective, rank, disgusting, sour)
15
scandalous(adjective, characteristic, wrong, evil)
14
funky(adjective, spot, dirty, revolting)
14
tainted(adjective, spoil, offensive, unpleasant)
14
ugly(adjective, dull, evil, like)
13
immoral(adjective, wrong, blue, evil)
13
mean(adjective, good, wrong, evil)
13
raunchy(adjective, dull, blue, slang)
13
unsportsmanlike(adjective, feature, spot, awful)
12
degenerate(adjective, action, wrong, evil)
12
soiled(adjective, dull, flat, nasty)
12
unappetizing(adjective, dull, offensive, disgusting)
11
feculent(adjective, feature, spoil, dark)
11
grubby(adjective, dull, flat, nasty)
11
horrendous(adjective, feature, awful, negative)
11
icky(adjective, nasty, offensive, unpleasant)
10
afoul(adjective, adverb, feature, spoil)
10
contemptible(adjective, good, wrong, evil)
10
dishonourable(adjective, feature, spoil, awful)
10
grimy(adjective, dull, flat, nasty)
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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>