320 entries under severe topic. ×
| unpleasant(adjective, mean, cool, tough) | |
| mean(adjective, person, cool, tough) | |
| relentless(adjective, mean, strong, tough) | |
| sharp(adjective, strong, tough, harsh) | |
| unforgiving(adjective, mean, tough, rough) | |
| unsparing(adjective, mean, strong, tough) | |
| bitter(adjective, strong, love, tough) | |
| dour(adjective, tough, sharp, nasty) | |
| icy(adjective, person, mean, cool, tough) | |
| implacable(adjective, mean, strong, tough) | |
| inclement(noun, adjective, nature, rough) | |
| inconsiderate(adjective, person, mean, tough) | |
| inhuman(adjective, mean, tough, evil) | |
| intransigent(adjective, determined, stiff, resolute) | |
| powerful(adjective, person, body, strong, great) | |
| stringent(adjective, tough, rough, firm) | |
| uncompassionate(adjective, mean, cool, tough) | |
| unmerciful(adjective, mean, tough, harsh) | |
| uphill(adjective, great, tough, easy) | |
| inhumane(adjective, person, mean, tough) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |