63 entries under heartless topic. ×
| pitiless(adjective, mean, severe, harsh, cruel) | |
| unmerciful(adjective, mean, severe, harsh, cruel) | |
| adamant(adjective, mean, harsh, cruel, determined) | |
| callous(adjective, mean, severe, harsh, cruel) | |
| compassionless(adjective, mean, severe, harsh, cruel) | |
| cutthroat(adjective, mean, severe, harsh, cruel) | |
| dog-eat-dog(adjective, mean, severe, harsh, cruel) | |
| fierce(adjective, mean, severe, harsh, cruel) | |
| gratuitous(adjective, mean, severe, harsh, cruel) | |
| hard(adjective, mean, severe, harsh, cruel) | |
| hardhearted(adjective, mean, severe, harsh, cruel) | |
| harsh(adjective, mean, severe, cruel, determined) | |
| hatchet job(expression, adjective, mean, severe, harsh) | |
| having a killer instinct(expression, adjective, idiom, mean, severe) | |
| inhuman(adjective, mean, harsh, cruel, determined) | |
| inhumane(adjective, mean, severe, harsh, cruel) | |
| iron-fisted(adjective, mean, severe, harsh, cruel) | |
| ironfisted(adjective, mean, severe, harsh, cruel) | |
| malevolent(adjective, mean, bad, evil, harsh) | |
| mean(adjective, severe, harsh, cruel, vicious) |
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| APA | Smart Define. (2016). mortal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mortal/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mortal thesaurus" https://smartdefine.org/mortal/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, mortal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mortal/thesaurus/synonyms>. |
| MLA | Smart Define. "mortal thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/mortal/thesaurus/synonyms> |