- Definitions|1
- Thesaurus|287
- Abbreviations|0
41 entries under heartless topic. ×
| uncompromising(adjective, cruel, pitiless, hardhearted) | |
| unrelenting(adjective, mean, severe, harsh, cruel) | |
| unsympathetic(adjective, mean, severe, harsh, cruel) | |
| barbarous(adjective, mean, severe, harsh, cruel) | |
| callous(adjective, mean, severe, harsh, cruel) | |
| cold-blooded(adjective, cruel, pitiless, hardhearted) | |
| compassionless(adjective, mean, severe, harsh, cruel) | |
| cruel(adjective, mean, severe, harsh, constant) | |
| 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) | |
| grim(adjective, mean, tough, severe, firm) | |
| hard(adjective, mean, tough, severe, firm) | |
| hardhearted(adjective, mean, severe, harsh, cruel) | |
| harsh(adjective, mean, tough, severe, firm) | |
| hatchet job(expression, adjective, mean, severe, harsh) | |
| having a killer instinct(expression, adjective, idiom, mean, severe) | |
| implacable(adjective, mean, severe, harsh, cruel) | |
| inexorable(adjective, mean, severe, harsh, cruel) |
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| APA | Smart Define. (2015). iron-fisted thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/iron-fisted/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iron-fisted thesaurus" https://smartdefine.org/iron-fisted/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, iron-fisted thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/iron-fisted/thesaurus/synonyms>. |
| MLA | Smart Define. "iron-fisted thesaurus" 6 February 2015. Web. 1 October 2026. <https://smartdefine.org/iron-fisted/thesaurus/synonyms> |