113 entries under harsh topic. ×
| monstrous(adjective, severe, evil, nasty) | |
| adamant(adjective, mean, hard, tough) | |
| rancorous(adjective, mean, evil, nasty) | |
| spiteful(adjective, mean, evil, nasty) | |
| truculent(adjective, rude, violent, cruel) | |
| uncompromising(adjective, mean, hard, tough) | |
| vindictive(adjective, mean, severe, nasty) | |
| virulent(adjective, evil, nasty, vicious) | |
| wanton(adjective, mean, severe, cruel) | |
| cutthroat(adjective, mean, hard, severe) | |
| degenerate(adjective, bad, wrong, evil, nasty) | |
| demoniac(adjective, evil, nasty, violent) | |
| devilish(adjective, mean, bad, wrong, evil) | |
| diabolical(adjective, mean, violent, cruel) | |
| hard-nosed(adjective, mean, hard, tough) | |
| hatchet job(expression, adjective, mean, severe) | |
| hateful(adjective, mean, evil, nasty) | |
| having a killer instinct(expression, adjective, idiom, mean, severe) | |
| hellish(adjective, evil, nasty, violent) | |
| iron-fisted(adjective, mean, severe, cruel) |
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| APA | Smart Define. (2016). heartless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, heartless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>. |
| MLA | Smart Define. "heartless thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms> |