1,209 entry under adjective topic. ×
| sheer(severe, difficult, cold, complex) | |
| troublesome(tough, evil, difficulty, rough) | |
| cold-blooded(person, mean, cool, tough) | |
| hardened(tough, severe, firm, attitude) | |
| ruthless(mean, tough, severe, evil) | |
| strenuous(dull, great, tough, severe) | |
| uncompromising(mean, severe, rough, difficult) | |
| unkind(person, mean, cool, tough) | |
| exacting(dull, tough, easy, severe) | |
| hardhearted(person, mean, severe, attitude) | |
| obstinate(mean, tough, rough, harsh) | |
| unbending(mean, strong, tough, severe) | |
| unrelenting(mean, strong, tough, severe) | |
| impenetrable(characteristic, tough, firm, solid) | |
| pitiless(mean, tough, severe, nasty) | |
| unfriendly(person, mean, evil, rough) | |
| cool(person, mean, unpleasant, cold) | |
| formidable(tough, severe, evil, difficulty) | |
| heavy(person, dull, body, strong) | |
| inexorable(mean, strong, tough, severe) |
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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> |