4
cross(adjective, speech, unfriendly, irritable, bitter)
4
curt(adjective, severe)
4
embittered(adjective, resentful)
4
malevolent(adjective, resentful)
4
malicious
4
piercing
4
pointed(adjective, sharp, harsh, bitter, critical)
4
poisonous
4
satiric(adjective, mean, sharp, sarcastic)
4
short(adjective, severe)
4
sore(adjective, resentful)
4
surly(adjective, irritable)
4
unripe(adjective, bitter, sour, acid, tart)
3
acescent
3
austere(adjective, mean, severe, sharp, nasty)
3
barbed
3
bearish(adjective, irritable)
3
cantankerous(adjective, irritable)
3
censorious(adjective, severe, speech, unfriendly, bitter)
3
crabby(adjective, speech, unfriendly, bitter, belligerent)
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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>