123 entries under callous topic. ×
| inhuman(adjective, mean, tough, severe, evil) | |
| uncompassionate(adjective, mean, cool, tough, severe) | |
| unmerciful(adjective, mean, tough, severe, harsh) | |
| malevolent(adjective, person, mean, evil, nasty) | |
| hard-boiled(adjective, mean, strong, sound, tough) | |
| remorseless(adjective, mean, severe, harsh, cruel) | |
| savage(adjective, mean, tough, rough, harsh) | |
| thick-skinned(adjective, mean, tough, severe, careless) | |
| uncaring(adjective, person, mean, cool, tough) | |
| cold-hearted(adjective, person, tough, severe, attitude) | |
| unemotional(adjective, mean, cool, tough, severe) | |
| coldhearted(adjective, mean, severe, harsh, cold) | |
| malicious(adjective, person, mean, evil, rough) | |
| vindictive(adjective, person, mean, tough, severe) | |
| dangerous(adjective, tough, severe, evil, rough) | |
| fierce(adjective, mean, strong, tough, severe) | |
| hard-hearted(adjective, person, mean, tough, severe) | |
| rancorous(adjective, mean, love, evil, nasty) | |
| unresponsive(adjective, mean, cool, unpleasant, careless) | |
| disagreeable(adjective, severe, evil, rough, nasty) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |