105 entries under foul topic. ×

47
dirty(adjective, sex, metter, vulgar, unclean)
38
obscene(adjective, sex, indecent, offensive, unclean)
36
filthy(adjective, vulgar, obscene, unclean, nasty)
36
indecent(adjective, vulgar, lewd, obscene, sex)
31
lewd(adjective, vulgar, sex, indecent, obscene)
28
bawdy(adjective, vulgar, sex, obscene, metter)
28
vulgar(adjective, rude, sex, metter, dirty)
26
ribald(adjective, vulgar, dirty, raw, indecent)
22
offensive(adjective, vulgar, crude, indecent, nasty)
19
nasty(adjective, bad, blue, offensive, rude)
18
raunchy(adjective, dull, blue, slang, rough)
18
suggestive(adjective, vulgar, obscene, society, sex)
17
improper(adjective, vulgar, obscene, dirty, raw)
16
indelicate(adjective, dull, bad, blue, rough)
15
scatological(adjective, dull, bad, blue, rough)
14
immoral(adjective, blue, nasty, offensive, rude)
14
naughty(adjective, sex, metter, society, metters)
13
immodest(adjective, blue, nasty, offensive, rude)
12
X-rated(adjective, vulgar, sex, obscene, metter)
11
grimy(adjective, clean, nasty, dirty)
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APASmart Define. (2015). smutty thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/smutty/thesaurus/synonyms
ChicagoSmart Define. 2015. "smutty thesaurus" https://smartdefine.org/smutty/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, smutty thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/smutty/thesaurus/synonyms>.
MLASmart Define. "smutty thesaurus" 21 July 2015. Web. 28 September 2026. <https://smartdefine.org/smutty/thesaurus/synonyms>