123 entries under callous topic. ×
| evil(adjective, mean, rough, nasty, harsh) | |
| hostile(adjective, mean, severe, evil, rough) | |
| unappeasable(adjective, mean, severe, harsh, cruel) | |
| unconcerned(adjective, mean, cool, unpleasant, careless) | |
| barbarous(adjective, mean, tough, severe, evil) | |
| cantankerous(adjective, mean, tough, severe, evil) | |
| hard as nails(expression, adjective, idiom, set, strong) | |
| rude(adjective, severe, sharp, rough, nasty) | |
| sour(adjective, tough, severe, evil, sharp) | |
| vexatious(adjective, dull, evil, rough, nasty) | |
| vicious(adjective, mean, severe, evil, rough) | |
| bloodless(adjective, indifferent, unkind, inflexible, unresponsive) | |
| dog-eat-dog(adjective, mean, severe, harsh, cruel) | |
| feral(adjective, mean, harsh, cruel, vicious) | |
| ferocious(adjective, mean, evil, rough, nasty) | |
| imperceptive(adjective, obscure, difficult, indifferent, unkind) | |
| killer(adjective, mean, harsh, cruel, vicious) | |
| sadistic(adjective, mean, evil, nasty, harsh) | |
| shameless(adjective, tough, evil, rough, nasty) | |
| surly(adjective, mean, tough, severe, harsh) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |