294 entries under adjective topic. ×
| piquant(strong, sharp, unpleasant, powerful) | |
| acidulated(sharp, unpleasant, bitter, sour) | |
| cantankerous(irritable, grumpy, bad-tempered, tetchy) | |
| choleric(grumpy, bad-tempered, tetchy) | |
| churlish(tough, harsh, awkward, unfriendly) | |
| erosive(harsh, property, burning, grinding) | |
| gruff | |
| irascible(mean, sharp, nasty, unfriendly) | |
| irritable(irritable, grumpy, bad-tempered, tetchy) | |
| peevish(unfriendly, irritable, grumpy, bad-tempered) | |
| penetrating(strong, severe, sharp, harsh) | |
| petulant(speech, unfriendly, irritable, bitter) | |
| slashing(attack, respect, caustic, sarcastic) | |
| spiteful | |
| sulfurous | |
| sulphurous | |
| surly(tough, harsh, awkward, irritable) | |
| tangy(strong, taste, sharp, powerful) | |
| vinegary(sharp, harsh, unpleasant, bitter) | |
| acute(strong, severe, sharp, intense) |
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| APA | Smart Define. (2015). acid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/acid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "acid thesaurus" https://smartdefine.org/acid/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, acid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/acid/thesaurus/synonyms>. |
| MLA | Smart Define. "acid thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/acid/thesaurus/synonyms> |