5
foul-spoken
5
impure(adjective, nasty, rude, dirty, coarse)
5
licentious(adjective, rude, coarse, vicious, vile)
5
pornographic(adjective, rude, dirty, coarse, vicious)
5
raunchy(adjective, nasty, rude, dirty, coarse)
5
vile(adjective, coarse, vicious, vulgar, indecent)
4
Fescennine
4
immodest(adjective, nasty, rude, dirty, coarse)
4
immoral(adjective, coarse, vulgar, indecent, naughty)
4
lascivious(adjective, rude, dirty, coarse, vulgar)
4
scatological(adjective, nasty, rude, dirty, vulgar)
4
unchaste(adjective, coarse, vulgar, indecent, naughty)
3
abusive(adjective, rude, vulgar, crude, indecent)
3
indecorous
3
rude
3
suggestive(adjective, rude, dirty, coarse, vicious)
3
thersitical
2
X-rated(adjective, dirty, coarse, vulgar, indecent)
2
blasphemous(adjective, rude, vulgar, crude, obscene)
2
depraved
11 years ago|3.8k views|share |citing 
APASmart Define. (2015). foul-mouthed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/foul-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "foul-mouthed thesaurus" https://smartdefine.org/foul-mouthed/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, foul-mouthed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/foul-mouthed/thesaurus/synonyms>.
MLASmart Define. "foul-mouthed thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/foul-mouthed/thesaurus/synonyms>