320 entries under severe topic. ×
| astringent(adjective, strong, tough, sharp) | |
| barbarous(adjective, mean, tough, evil) | |
| cantankerous(adjective, mean, tough, evil) | |
| compassionless(adjective, mean, attitude, harsh) | |
| forbidding(adjective, person, strong, tough) | |
| hairy(adjective, mean, tough, sharp) | |
| monstrous(adjective, adverb, evil, nasty) | |
| rude(adjective, sharp, rough, nasty) | |
| sour(adjective, tough, evil, sharp) | |
| threatening(tough, difficult, offensive, weighty) | |
| valid(strength, correct, true, real) | |
| vicious(adjective, mean, evil, rough) | |
| worrying(adjective, tough, important, significant) | |
| afflictive(adjective, rough, tender, unpleasant) | |
| anesthetized(adjective, tough, cruel, unfeeling) | |
| basic(adjective, rough, cold, coarse) | |
| bloodthirsty(adjective, evil, nasty, harsh) | |
| boisterous(adjective, tough, rough, difficult) | |
| comfortless(adjective, sharp, rough, nasty) | |
| craggy(adjective, sharp, rough, grim) |
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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> |