| cruel(adjective, good, mean, kind, gentle) | |
| atrocious | |
| inhumane(adjective, mean, cruel) | |
| brutal(adjective, cruel, remorseless) | |
| not good | |
| unkind(adjective, mean, cruel) | |
| greedy(adjective, mean, cruel) | |
| barbarous(gentle, refined) | |
| narcissistic | |
| wild | |
| brutish | |
| fierce(adjective, mean, cruel) | |
| merciless(adjective, mean, cruel) | |
| ruthless(calm, gentle, merciful) | |
| savage | |
| unfeeling(adjective, mean, cruel) | |
| unsympathetic(adjective, mean, cruel) | |
| bestial(adjective, brutal) | |
| barbaric | |
| beastly |
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| APA | Smart Define. (2016). humane thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/humane/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "humane thesaurus" https://smartdefine.org/humane/thesaurus/antonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, humane thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/humane/thesaurus/antonyms>. |
| MLA | Smart Define. "humane thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/humane/thesaurus/antonyms> |