| barbed | |
| bearish | |
| bitterish | |
| blistery | |
| briny(adjective, sharp, unpleasant, bitter, sour) | |
| brusque(adjective, mean, sharp, ironic, sarcastic) | |
| burning | |
| cantankerous | |
| choleric | |
| churlish | |
| coarse | |
| contemptuous(mean, sharp, ironic, sarcastic, mocking) | |
| crisp(adjective, caustic, sarcastic) | |
| crusty | |
| curdled(adjective, sharp, unpleasant, bitter, sour) | |
| cynical(mean, sharp, nasty, harsh, bitter) | |
| deadly | |
| disparaging(mean, sharp, nasty, harsh, bitter) | |
| embittered | |
| erosive |
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| APA | Smart Define. (2015). acerb thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/acerb/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "acerb thesaurus" https://smartdefine.org/acerb/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, acerb thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/acerb/thesaurus/synonyms>. |
| MLA | Smart Define. "acerb thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/acerb/thesaurus/synonyms> |