95 entries under coarse topic. ×

17
scatological(adjective, bad, blue, nasty, offensive)
15
defiled(adjective, nasty, dirty, foul)
14
indelicate(adjective, bad, nasty, offensive, rude)
13
foul-mouthed(adjective, nasty, rude, dirty)
13
improper(adjective, dirty, raw, nasty, offensive)
13
raunchy(adjective, bad, blue, slang, nasty)
13
scurrilous(adjective, offensive, rude, vulgar)
12
base(adjective, bad, evil, nasty, offensive)
12
grubby(adjective, dull, bad, flat, clean)
11
corrupt(adjective, evil, rude, base, dirty)
11
immoral(adjective, blue, evil, nasty, offensive)
10
erotic(adjective, society, sex, sexy, metters)
10
naughty(adjective, society, sex, obscene, metters)
10
polluted(adjective, bad, nasty, offensive, unpleasant)
9
lecherous(adjective, dirty, vulgar, indecent)
8
immodest(adjective, blue, nasty, offensive, rude)
8
libidinous(adjective, vulgar, indecent, lustful)
8
raw(adjective, nasty, vulgar, rude, dirty)
8
taboo(adjective, dirty, vulgar, indecent)
8
unchaste(adjective, blue, offensive, loose, dirty)
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APASmart Define. (2015). filthy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/filthy/thesaurus/synonyms
ChicagoSmart Define. 2015. "filthy thesaurus" https://smartdefine.org/filthy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, filthy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/filthy/thesaurus/synonyms>.
MLASmart Define. "filthy thesaurus" 17 July 2015. Web. 24 September 2026. <https://smartdefine.org/filthy/thesaurus/synonyms>