49 entries under callous topic. ×
| hardhearted(adjective, cruel, brutal, pitiless) | |
| inexorable(adjective, mean, harsh, cruel, vicious) | |
| mean(adjective, harsh, cruel, vicious, brutal) | |
| obdurate(adjective, mean, harsh, cruel, vicious) | |
| unappeasable(adjective, mean, severe, harsh, cruel) | |
| unrelenting(adjective, mean, harsh, violent, cruel) | |
| unsympathetic(adjective, mean, harsh, cruel, vicious) | |
| unyielding(adjective, mean, harsh, cruel, vicious) | |
| vindictive(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> |