4
obscene(adjective, dull, mean, rough, nasty)
4
scummy(adjective, disgusting, vile, shameful, distasteful)
4
tactless(adjective, hard, offensive, rude, indifferent)
4
thick
4
uncivilized(adjective, smooth, rough, rude, wild)
4
unpolished(adjective, mean, hard, smooth, tough)
4
unseemly(adjective, dull, rough, low, offensive)
3
arrant
3
blunt(adjective, hard, tough, harsh, rude)
3
bovine(adjective, coarse, insensitive)
3
brutish(adjective, nasty, rude, dirty, vulgar)
3
cheap(adjective, dull, mean, rough, poor)
3
clumsy(adjective, rough, rude, coarse, vulgar)
3
doltish(adjective, coarse, insensitive)
3
garish(adjective, offensive, rude, vulgar, cheap)
3
graceless(adjective, rough, offensive, rude, stupid)
3
ignoble(adjective, mean, rough, base, disgusting)
3
ignominious(adjective, disgusting, vile, vulgar, shameful)
3
ill-mannered(adjective, hard, tough, rough, harsh)
3
lowbred(adjective, nasty, rude, dirty, coarse)
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APASmart Define. (2015). crass thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crass/thesaurus/synonyms
ChicagoSmart Define. 2015. "crass thesaurus" https://smartdefine.org/crass/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, crass thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crass/thesaurus/synonyms>.
MLASmart Define. "crass thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/crass/thesaurus/synonyms>