| vinegary(adjective, sharp, harsh, unpleasant, bitter) | |
| withering | |
| abrasive | |
| alkaline(adjective, basic, sour, pungent, salt) | |
| asperous(adjective, hard, severe, sharp, flat) | |
| bitter as gall(expression, idiom, unsavoriness) | |
| bitterly pungent | |
| corroding(adjective, harsh, caustic, acid, biting) | |
| crabby(adjective, irritable, grumpy, bad-tempered, tetchy) | |
| cynical(adjective, tough, keen, sharp, harsh) | |
| erosive(adjective, harsh, caustic, acid, biting) | |
| escharotic | |
| fierce | |
| malevolent | |
| malicious | |
| pointed(adjective, strong, sharp, harsh, powerful) | |
| racy(strong, sharp, powerful, bitter, caustic) | |
| rancorous | |
| seasoned | |
| set |
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| APA | Smart Define. (2015). acrid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/acrid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "acrid thesaurus" https://smartdefine.org/acrid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, acrid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/acrid/thesaurus/synonyms>. |
| MLA | Smart Define. "acrid thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/acrid/thesaurus/synonyms> |