141 entries under hard topic. ×
| implacable(adjective, mean, severe, evil) | |
| inexorable(adjective, mean, tough, severe) | |
| unbending(adjective, mean, careless, indifferent) | |
| unimpressionable(adjective, careless, indifferent, cruel) | |
| unsusceptible(adjective, careless, indifferent, cruel) | |
| benumbed(adjective, tough, severe, cruel) | |
| cold fish(expression, adjective, mean, feeling) | |
| coldblooded(adjective, mean, harsh, cold) | |
| disinterested(adjective, mean, cool, unpleasant) | |
| dog-eat-dog(adjective, mean, severe, harsh) | |
| feral(adjective, mean, harsh, violent) | |
| impious(adjective, bad, wrong, evil) | |
| indurated(adjective, cool, careless, indifferent) | |
| insensate(adjective, tough, severe, careless) | |
| inured(adjective, careless, indifferent, cruel) | |
| irreverent(adjective, wicked, unfeeling, unsympathetic) | |
| nasty(adjective, mean, bad, cool) | |
| adamant(adjective, mean, tough, harsh) | |
| torpid(adjective, careless, indifferent, cruel) | |
| uncompromising(adjective, mean, tough, harsh) |
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| APA | Smart Define. (2016). heartless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, heartless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>. |
| MLA | Smart Define. "heartless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms> |