100 entries under severe topic. ×
| bitter(adjective, upset, mean, bad, strong) | |
| harsh(adjective, hard, tough, taste) | |
| dour(adjective, mean, tough, nasty) | |
| sharp(adjective, strong, hard, rough) | |
| caustic(adjective, strong, sharp, nasty) | |
| acrid(adjective, strong, hard, tough) | |
| crabby(adjective, nasty, low, difficult) | |
| acrimonious(adjective, strong, tough, sharp) | |
| unpleasant(adjective, bad, hard, evil) | |
| biting(adjective, strong, sharp, nasty) | |
| crabbed(adjective, low, gloomy, depressed) | |
| stinging(adjective, strong, sharp, nasty) | |
| grim(adjective, appearance, hard, tough) | |
| gruff(adjective, low, sad, cross) | |
| hostile(adjective, mean, hard, evil) | |
| nasty(adjective, mean, bad, hard) | |
| off-key(adjective, hard, right, sharp) | |
| astringent(adjective, hard, sharp, rough) | |
| vitriolic(adjective, mean, nasty, hostile) | |
| mean(adjective, bad, nasty, cross) |
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| APA | Smart Define. (2016). sour thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sour/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, sour thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>. |
| MLA | Smart Define. "sour thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms> |