84 entries under grim topic. ×
| out-of-tune(adjective, hard, severe, sharp, flat) | |
| pitiless(adjective, hard, tough, severe, harsh) | |
| relentless(adjective, hard, tough, severe, harsh) | |
| rigid(adjective, hard, severe, sharp, flat) | |
| rigorous(adjective, hard, tough, harsh, cruel) | |
| rusty(adjective, hard, severe, sharp, flat) | |
| ruthless(adjective, hard, tough, severe, harsh) | |
| sanguinary(adjective, hard, tough, harsh, cruel) | |
| savage(adjective, hard, tough, harsh, cruel) | |
| screeching(adjective, hard, severe, sharp, flat) | |
| shameless(adjective, hard, tough, evil, rough) | |
| stridulous(adjective, hard, severe, sharp, flat) | |
| tough(adjective, hard, severe, nasty, harsh) | |
| tyrannical(adjective, hard, tough, harsh, cruel) | |
| uncontrite(adjective, hard, tough, harsh, cruel) | |
| unforgiving(adjective, hard, tough, harsh, cruel) | |
| unlevel(adjective, hard, severe, sharp, flat) | |
| unmerciful(adjective, hard, tough, harsh, cruel) | |
| unregenerate(adjective, hard, tough, harsh, cruel) | |
| unremitting(adjective, hard, tough, harsh, cruel) |
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| APA | Smart Define. (2016). sour thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sour/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sour thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>. |
| MLA | Smart Define. "sour thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms> |