| salty(adjective, mean, evil, sharp, offensive) | |
| satirical(mean, sharp, nasty, bitter, caustic) | |
| scornful(mean, sharp, ironic, sarcastic, mocking) | |
| sec | |
| short | |
| smart-alecky(mean, sharp, ironic, sarcastic, mocking) | |
| sneering(mean, sharp, nasty, bitter, caustic) | |
| sore | |
| sourish(adjective, sharp, unpleasant, bitter, sour) | |
| splenetic | |
| stabbing | |
| stifling | |
| sullen | |
| sultry | |
| surly | |
| turned(adjective, sharp, unpleasant, bitter, sour) | |
| uncivil | |
| unsavory(adjective, sharp, unpleasant, bitter, sour) | |
| unsweet | |
| unwholesome(adjective, sharp, unpleasant, bitter, sour) |
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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> |