91 entries under heartless topic. ×
| torpid(adjective, hard, careless, indifferent, cruel) | |
| unaffected(adjective, hard, careless, indifferent, cruel) | |
| unamiable(adjective, hard, tough, severe, cruel) | |
| uncordial(adjective, hard, tough, severe, cruel) | |
| unimpressionable(adjective, hard, careless, indifferent, cruel) | |
| unkind(adjective, hard, tough, severe, indifferent) | |
| unmoved(adjective, cool, cold, indifferent, cruel) | |
| unsusceptible(noun, adjective, hard, careless, indifferent) | |
| crass(adjective, hard, indifferent, unkind, unresponsive) | |
| matter of fact(expression, adjective, idiom, cruel) | |
| stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic) |
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| APA | Smart Define. (2016). hardened thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, hardened thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>. |
| MLA | Smart Define. "hardened thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms> |