- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
111 entries under heartless topic. ×
| unsusceptible(adjective, hard, careless, cold, indifferent) | |
| vicious(adjective, mean, hard, severe, rough) | |
| vindictive(adjective, mean, harsh, cruel, determined) | |
| feral(adjective, mean, harsh, cruel, vicious) | |
| imperturbable(adjective, cold, cruel, unfeeling, unsympathetic) | |
| killer(adjective, mean, harsh, cruel, vicious) | |
| matter-of-fact(adjective, cold, cruel, unfeeling, unsympathetic) | |
| matter of fact(expression, adjective, idiom, cruel, unfeeling) | |
| revengeful(adjective, mean, harsh, cruel, vicious) | |
| sadistic(adjective, mean, harsh, cruel, vicious) | |
| without pity(expression, adjective, mean, harsh, cruel) |
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| APA | Smart Define. (2016). obdurate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/obdurate/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "obdurate thesaurus" https://smartdefine.org/obdurate/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, obdurate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/obdurate/thesaurus/synonyms>. |
| MLA | Smart Define. "obdurate thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/obdurate/thesaurus/synonyms> |