136 entries under severe topic. ×
| deep(adjective, clear, strong, great, tough) | |
| hard(adjective, mean, strong, tough) | |
| mean(adjective, animal, clear, tough) | |
| acrimonious(adjective, nasty, hostile, bitter) | |
| drastic(adjective, hard, rough, harsh) | |
| forceful(adjective, clear, strong, great, tough) | |
| painful(adjective, evil, sharp, nasty) | |
| unfeeling(adjective, animal, mean, evil) | |
| unpleasant(adjective, mean, bad, harsh) | |
| callous(adjective, mean, hard, evil) | |
| destructive(adjective, rough, harsh, awful) | |
| horrible(adjective, mean, great, tough) | |
| unforgiving(adjective, mean, hard, tough) | |
| unpitying(adjective, mean, harsh, cruel) | |
| unrelenting(adjective, animal, mean, hard, tough) | |
| unsympathetic(adjective, animal, mean, harsh) | |
| vitriolic(adjective, nasty, hostile, bitter) | |
| sore(adjective, nasty, harsh, cruel) | |
| stern(adjective, mean, hard, rough) | |
| caustic(adjective, mean, strong, sharp) |
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| APA | Smart Define. (2016). fierce thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fierce/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fierce thesaurus" https://smartdefine.org/fierce/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, fierce thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fierce/thesaurus/synonyms>. |
| MLA | Smart Define. "fierce thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/fierce/thesaurus/synonyms> |