91 entries under heartless topic. ×
| dispassionate(adjective, cool, cold, indifferent, cruel) | |
| hard-bitten(adjective, strong, hard, tough, careless) | |
| hard-hearted(adjective, hard, tough, severe, harsh) | |
| imperceptive(adjective, hard, indifferent, unkind, unresponsive) | |
| insensate(noun, adjective, hard, tough, severe) | |
| obtuse(noun, adjective, hard, indifferent, unfeeling) | |
| severe(adjective, hard, tough, cruel, unsympathetic) | |
| asleep(adjective, hard, tough, severe, cruel) | |
| barbarous(adjective, hard, tough, harsh, cold) | |
| benumbed(verb, adjective, hard, tough, severe) | |
| blind to(expression, adjective, hard, careless, indifferent) | |
| bloodless(adjective, hard, indifferent, unkind, unresponsive) | |
| brutal(adjective, hard, tough, severe, cold) | |
| cantankerous(adjective, hard, tough, severe, cruel) | |
| careless(adjective, hard, indifferent, cruel, apathetic) | |
| churlish(adjective, hard, tough, severe, cruel) | |
| cold fish(expression, adjective, hard, tough, severe) | |
| crotchety(adjective, hard, tough, severe, cruel) | |
| cruel(adjective, hard, tough, severe, careless) | |
| deadened(adjective, hard, tough, severe, cruel) |
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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> |