- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
89 entries under tough topic. ×
| uncontrite(adjective, hard, harsh, cruel) | |
| uncooperative(adjective, mean, hard, harsh) | |
| uncordial(adjective, hard, severe, cold) | |
| unimpressible(adjective, mean, hard, harsh) | |
| unregenerate(adjective, hard, harsh, cruel) | |
| unremitting(adjective, hard, harsh, cruel) | |
| unrepenting(adjective, hard, harsh, cruel) | |
| unshakable(adjective, mean, hard, harsh) | |
| vindictive(adjective, mean, hard, nasty) |
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| APA | Smart Define. (2016). hard-hearted thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard-hearted/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-hearted thesaurus" https://smartdefine.org/hard-hearted/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, hard-hearted thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard-hearted/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-hearted thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/hard-hearted/thesaurus/synonyms> |