136 entries under severe topic. ×
| dog-eat-dog(adjective, mean, harsh, cruel) | |
| implacable(adjective, animal, mean, hard, tough) | |
| inexorable(adjective, mean, hard, tough) | |
| rancorous(adjective, mean, evil, nasty) | |
| stinging(adjective, strong, great, sharp) | |
| troublesome(adjective, bad, nasty, awful) | |
| uncompromising(adjective, clear, hard, tough) | |
| unyielding(adjective, mean, clear, hard, tough) | |
| sullen(adjective, mean, sharp, nasty) | |
| arbitrary(adjective, hard, rough, harsh) | |
| compassionless(adjective, mean, hard, harsh) | |
| confirmed(adjective, hard, rough, harsh) | |
| dedicated(adjective, clear, tough, keen) | |
| determined(adjective, clear, tough, harsh) | |
| firm(adjective, clear, hard, tough) | |
| freezing(adjective, sharp, nasty, intense) | |
| gratuitous(adjective, mean, harsh, cruel) | |
| hard-nosed(adjective, clear, hard, tough) | |
| hardhearted(adjective, mean, harsh, cruel) | |
| hatchet job(expression, adjective, mean, harsh) |
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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> |