89 entries under fierce topic. ×
| malevolent(adjective, person, mean, harsh, violent) | |
| remorseless(adjective, animal, mean, tough, harsh) | |
| ferocious(adjective, animal, appearance, mean, harsh) | |
| inhuman(adjective, animal, mean, hard, tough) | |
| vindictive(adjective, person, mean, hard, tough) | |
| dogged(adjective, appearance, tough, harsh, cruel) | |
| inhumane(adjective, animal, person, mean, hard) | |
| pitiless(adjective, animal, mean, hard, tough) | |
| savage(adjective, animal, mean, hard, tough) | |
| atrocious(adjective, bad, harsh, offensive, unpleasant) | |
| determined(adjective, harsh, cruel, unreasonable) | |
| strict(adjective, strong, hard, tough, severe) | |
| barbaric(adjective, animal, person, mean, violent) | |
| barbarous(adjective, animal, appearance, mean, hard) | |
| brutish(adjective, violent, cruel, vicious) | |
| cold-blooded(adjective, person, mean, tough, harsh) | |
| heartless(adjective, mean, severe, harsh, violent) | |
| malicious(adjective, animal, person, mean, harsh) | |
| rigorous(adjective, strong, hard, tough, severe) | |
| stringent(adjective, tough, severe, firm, harsh) |
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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> |