5
undiplomatic(adjective, sharp, rough, rude, careless)
5
unfriendly(adjective, rude, coarse, vulgar, disagreeable)
5
ungallant
4
cavalier(adjective, rude, impolite, unmannerly)
4
crusty(adjective, hard, direct, tough, rough)
4
curmudgeonly(adjective, abrupt, gruff, brusque)
4
gauche(adjective, sharp, rough, careless, thoughtless)
4
inaffable(adjective, rude, impolite, unmannerly)
4
irritable(adjective, difficult, rude, awkward, abrupt)
4
loutish(adjective, hard, tough, rough, harsh)
4
nasty(adjective, hard, tough, severe, sharp)
4
presumptuous(adjective, offensive, rude, fresh, bold)
4
rustic(adjective, rude, coarse, impolite, sullen)
4
sassy(adjective, rude, fresh, bold, impolite)
4
sharp(adjective, hard, tough, severe, rough)
4
sullen(rude, coarse, grumpy, abrupt, malevolence)
4
testy(adjective, straight, abrupt, gruff, brusque)
4
ungenteel(adjective, rude, raw, impolite, uncultivated)
4
unkind(adjective, severe, sharp, rough, harsh)
3
abusive(adjective, hard, severe, sharp, nasty)
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APASmart Define. (2016). discourteous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/discourteous/thesaurus/synonyms
ChicagoSmart Define. 2016. "discourteous thesaurus" https://smartdefine.org/discourteous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, discourteous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/discourteous/thesaurus/synonyms>.
MLASmart Define. "discourteous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/discourteous/thesaurus/synonyms>