- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
125 entries under heartless topic. ×
| ferocious(adjective, animal, mean, nasty, harsh) | |
| cold-blooded(adjective, mean, hard, tough, severe) | |
| relentless(adjective, animal, mean, hard, tough) | |
| inhumane(adjective, animal, person, mean, hard) | |
| uncompassionate(adjective, animal, mean, hard, tough) | |
| unforgiving(adjective, person, mean, hard, tough) | |
| inexorable(adjective, mean, hard, tough, severe) | |
| stony(adjective, mean, hard, tough, severe) | |
| cold(adjective, mean, hard, tough, severe) | |
| unrelenting(adjective, animal, mean, hard, tough) | |
| implacable(adjective, animal, mean, hard, tough) | |
| insensitive(adjective, hard, tough, severe, harsh) | |
| obdurate(adjective, mean, hard, tough, severe) | |
| stony-hearted(adjective, cold, cruel, unfeeling, unsympathetic) | |
| tough(adjective, hard, severe, sharp, harsh) | |
| cutthroat(adjective, mean, hard, severe, care) | |
| grim(adjective, animal, mean, hard, tough) | |
| hardhearted(adjective, mean, hard, severe, care) | |
| inflexible(adjective, severe, harsh, cruel, determined) | |
| mean(verb, adjective, animal, hard, severe) |
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| APA | Smart Define. (2016). pitiless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, pitiless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>. |
| MLA | Smart Define. "pitiless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms> |