100 entries under severe topic. ×
| antagonistic(adjective, mean, nasty, cold) | |
| austere(adjective, bleak, ugly, gray) | |
| caterwauling(adjective, hard, sharp, flat) | |
| craggy(adjective, hard, sharp, flat) | |
| creaking(adjective, hard, sharp, flat) | |
| croaking(adjective, hard, sharp, flat) | |
| disagreeing(adjective, hard, sharp, flat) | |
| earsplitting(adjective, hard, sharp, flat) | |
| estranged(adjective, nasty, cold, hostile) | |
| fierce(adjective, bad, hard, tough) | |
| glaring(adjective, hard, sharp, flat) | |
| hard-nosed(adjective, hard, evil, rough) | |
| hateful(adjective, mean, nasty, cold) | |
| incompatible(adjective, hard, sharp, flat) | |
| jagged(adjective, hard, sharp, flat) | |
| jangling(adjective, hard, sharp, flat) | |
| noisy(adjective, hard, sharp, rough) | |
| not smooth(expression, adjective, idiom, hard) | |
| out-of-key(adjective, hard, sharp, flat) | |
| out-of-tune(adjective, hard, sharp, flat) |
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| APA | Smart Define. (2016). sour thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sour/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sour thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>. |
| MLA | Smart Define. "sour thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms> |