3
crisp(adjective, severe, sharp, cold, unkind)
3
curmudgeonly
3
grouchy
3
hostile(mean, sharp, nasty, unfriendly, bitter)
3
irritable(adjective, irritable)
3
poignant
3
rancorous(speech, unfriendly, bitter, belligerent, spiteful)
3
resentful(adjective, resentful)
3
scorching(mean, sharp, nasty, bitter, caustic)
3
short-tempered
3
slashing(adjective, attack, respect, caustic, sarcastic)
3
testy(adjective, speech, unpleasant, unfriendly, bitter)
3
touchy(adjective, irritable)
3
unkind
3
unpleasant(adjective, bitter, critical, unkind, sour)
3
vicious
3
withering
2
abrasive
2
acetose(adjective, unpleasant, bitter, critical, unkind)
2
acidulated(adjective, bitter, sour, acid, tart)
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APASmart Define. (2015). acerbic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/acerbic/thesaurus/synonyms
ChicagoSmart Define. 2015. "acerbic thesaurus" https://smartdefine.org/acerbic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, acerbic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/acerbic/thesaurus/synonyms>.
MLASmart Define. "acerbic thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/acerbic/thesaurus/synonyms>