128 entries under heartless topic. ×
| unflinching(adjective, mean, severe, harsh, cruel) | |
| unsusceptible(adjective, careless, indifferent, cruel, apathetic) | |
| wanton(adjective, mean, severe, harsh, cruel) | |
| without pity(expression, adjective, mean, harsh, cruel) | |
| dog eat dog(expression, idiom, mean, severe) | |
| incurious(adjective, indifferent, unkind, unresponsive, insensitive) | |
| ironfisted(adjective, mean, harsh, cruel, vicious) | |
| tactless(adjective, indifferent, unkind, unresponsive, insensitive) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |