91 entries under heartless topic. ×
| deaf to(expression, adjective, hard, careless, indifferent) | |
| exacting(adjective, hard, tough, severe, cruel) | |
| feelingless(adjective, hard, tough, severe, indifferent) | |
| hard as nails(expression, adjective, idiom, set, strong) | |
| icy(adjective, hard, tough, severe, cruel) | |
| imperturbable(adjective, cool, cold, cruel, blank) | |
| inanimate(adjective, hard, tough, severe, cruel) | |
| incurious(adjective, hard, indifferent, unsympathetic, unkind) | |
| inhuman(adjective, hard, tough, severe, harsh) | |
| insentient(adjective, hard, careless, indifferent, cruel) | |
| iron-hearted(adjective, hard, tough, severe, cruel) | |
| matter-of-fact(adjective, cool, cold, cruel, blank) | |
| pitiless(adjective, hard, tough, severe, harsh) | |
| savage(adjective, hard, tough, harsh, cold) | |
| sensationless(adjective, hard, tough, severe, cruel) | |
| senseless(adjective, hard, tough, severe, cruel) | |
| soulless(adjective, hard, careless, indifferent, cruel) | |
| spiritless(adjective, hard, cool, careless, indifferent) | |
| surly(adjective, hard, tough, severe, cruel) | |
| tactless(adjective, hard, indifferent, unsympathetic, unkind) |
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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> |