100 entries under foul topic. ×

7
raw(adjective, dull, simple, blue, rough)
7
uncleanly(adjective, adverb, good, bad, nasty)
7
vulgar(adjective, dull, mean, bad, evil)
6
evil(adjective, blue, nasty, offensive, base)
6
raunchy(adjective, dull, bad, blue, rough)
5
scatological(adjective, dull, blue, rough, nasty)
4
disgusting(adjective, bad, blue, evil, offensive)
4
inelegant(adjective, dull, rough, nasty, low)
4
sensual(adjective, dull, rough, low, offensive)
4
unholy(adjective, bad, nasty, offensive, coarse)
4
vicious(adjective, bad, wrong, evil, nasty)
3
bad(adjective, evil, nasty, low, offensive)
3
indelicate(adjective, dull, rough, nasty, low)
3
repulsive(adjective, bad, evil, nasty, offensive)
3
rough(adjective, dull, bad, simple, nasty)
3
shabby(adjective, nasty, base, dirty, corrupt)
3
unwholesome(adjective, mixed, blue, nasty, offensive)
2
abominable(adjective, evil, nasty, offensive, unpleasant)
2
base(adjective, bad, evil, nasty, low)
2
debauched(adjective, base, loose, corrupt, coarse)
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APASmart Define. (2016). impure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impure/thesaurus/synonyms
ChicagoSmart Define. 2016. "impure thesaurus" https://smartdefine.org/impure/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, impure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impure/thesaurus/synonyms>.
MLASmart Define. "impure thesaurus" 11 January 2016. Web. 26 September 2026. <https://smartdefine.org/impure/thesaurus/synonyms>