47 entries under heartless topic. ×
| remorseless(adjective, mean, severe, harsh, violent) | |
| severe(adjective, mean, harsh, violent, cruel) | |
| unfeeling(adjective, mean, rough, harsh, cruel) | |
| unforgiving(adjective, mean, harsh, cruel, vicious) | |
| unmerciful(adjective, mean, harsh, violent, cruel) | |
| adamant(adjective, mean, harsh, cruel, vicious) | |
| cold(adjective, mean, hard, harsh, cruel) | |
| dog-eat-dog(adjective, mean, severe, harsh, cruel) | |
| hard-hearted(adjective, mean, severe, harsh, cruel) | |
| implacable(adjective, mean, harsh, violent, cruel) | |
| ironfisted(adjective, mean, severe, harsh, cruel) | |
| killer(adjective, mean, severe, harsh, cruel) | |
| malevolent(adjective, mean, strong, severe, harsh) | |
| relentless(adjective, mean, strong, severe, harsh) | |
| revengeful(adjective, mean, harsh, cruel, vicious) | |
| stern(adjective, mean, severe, harsh, violent) | |
| stony(adjective, mean, severe, harsh, cruel) | |
| surly(adjective, mean, severe, harsh, cruel) | |
| without pity(expression, adjective, mean, severe, harsh) | |
| inexorable(adjective, mean, harsh, cruel, vicious) |
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| APA | Smart Define. (2015). feral thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/feral/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "feral thesaurus" https://smartdefine.org/feral/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, feral thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/feral/thesaurus/synonyms>. |
| MLA | Smart Define. "feral thesaurus" 17 July 2015. Web. 29 September 2026. <https://smartdefine.org/feral/thesaurus/synonyms> |