- Definitions|1
- Thesaurus|225
- Abbreviations|0
46 entries under severe topic. ×
| callous(adjective, bad, hard, tough) | |
| insensible(adjective, bad, hard, tough) | |
| cold-blooded(adjective, bad, hard, tough) | |
| hard-hearted(adjective, bad, hard, tough) | |
| inhuman(adjective, bad, hard, tough) | |
| insensate(adjective, bad, hard, tough) | |
| insensitive(adjective, bad, hard, tough) | |
| senseless(adjective, bad, hard, tough) | |
| unkind(adjective, bad, hard, tough) | |
| unsympathetic(adjective, bad, hard, tough) | |
| uncaring(adjective, bad, hard, tough) | |
| anesthetized(adjective, hard, tough, cold) | |
| apathetic(adjective, hard, tough, cold) | |
| asleep(adjective, hard, tough, cold) | |
| benumbed(adjective, hard, tough, cold) | |
| brutal(adjective, hard, tough, cold) | |
| cantankerous(adjective, hard, tough, cold) | |
| churlish(adjective, hard, tough, cold) | |
| cold(adjective, hard, tough, cruel) | |
| cold-hearted(adjective, hard, tough, cold) |
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| APA | Smart Define. (2013). iron-hearted thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/iron-hearted/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "iron-hearted thesaurus" https://smartdefine.org/iron-hearted/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2013, iron-hearted thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/iron-hearted/thesaurus/synonyms>. |
| MLA | Smart Define. "iron-hearted thesaurus" 19 May 2013. Web. 28 September 2026. <https://smartdefine.org/iron-hearted/thesaurus/synonyms> |