140 entries under hard topic. ×
| ruthless(adjective, animal, appearance, mean) | |
| sour(adjective, appearance, tough, severe) | |
| fierce(adjective, animal, appearance, mean) | |
| inhuman(adjective, animal, mean, tough) | |
| vindictive(adjective, person, mean, tough) | |
| inhumane(adjective, animal, person, mean) | |
| pitiless(adjective, animal, mean, tough) | |
| savage(adjective, animal, mean, tough) | |
| unkind(adjective, animal, person, mean) | |
| frowning(adjective, dull, strong, tough) | |
| strict(adjective, strong, tough, severe) | |
| tough(adjective, strong, severe, firm) | |
| astringent(adjective, strong, tough, severe) | |
| barbarous(adjective, animal, appearance, mean) | |
| firm(adjective, strong, tough, severe) | |
| immovable(adjective, strong, tough, determined) | |
| rigorous(adjective, strong, tough, severe) | |
| stiff-necked(adjective, strong, tough, severe) | |
| unpleasant(adjective, mean, tough, severe) | |
| bitter(adjective, strong, tough, severe) |
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| APA | Smart Define. (2016). grim thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grim/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "grim thesaurus" https://smartdefine.org/grim/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, grim thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grim/thesaurus/synonyms>. |
| MLA | Smart Define. "grim thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/grim/thesaurus/synonyms> |