| hostile(mean, sharp, nasty, bitter, caustic) | |
| ill-humoured | |
| infectious | |
| intense | |
| invidious | |
| irate | |
| ironical(mean, sharp, nasty, bitter, caustic) | |
| jeering(mean, sharp, sarcastic) | |
| laconic(caustic, sarcastic) | |
| like a lemon(expression, idiom) | |
| like lemon juice(expression, idiom) | |
| malevolent | |
| malicious | |
| mocking(mean, sharp, ironic, sarcastic, sardonic) | |
| nasty | |
| needling(mean, sharp, nasty, bitter, caustic) | |
| offensive(mean, sharp, ironic, sarcastic, mocking) | |
| ornery(mean, sharp, nasty, bitter, caustic) | |
| penetrative | |
| pithy |
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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> |