- Definitions|2
- Thesaurus|856
- Abbreviations|0
64 entries under heartless topic. ×
| unfeeling(adjective, animal, mean, hard, severe) | |
| revengeful(adjective, mean, evil, nasty, harsh) | |
| savage(adjective, animal, mean, hard, tough) | |
| severe(adjective, appearance, mean, strong, hard) | |
| unflinching(adjective, mean, severe, harsh, cruel) | |
| unmerciful(adjective, mean, hard, tough, severe) | |
| ferocious(adjective, animal, mean, evil, nasty) | |
| stony(adjective, mean, hard, harsh, cold) | |
| unsympathetic(adjective, animal, mean, hard, severe) | |
| callous(adjective, mean, hard, severe, evil) | |
| rancorous(adjective, mean, evil, nasty, harsh) | |
| barbarous(adjective, animal, appearance, mean, hard) | |
| brutal(adjective, mean, severe, evil, nasty) | |
| cold(adjective, mean, hard, harsh, indifferent) | |
| hard-hearted(adjective, mean, hard, tough, evil) | |
| harsh(adjective, mean, strong, hard, tough) | |
| inhumane(adjective, animal, mean, hard, tough) | |
| fierce(adjective, animal, mean, hard, tough) | |
| indifferent(adjective, mean, hard, harsh, cold) | |
| sadistic(adjective, mean, evil, nasty, harsh) |
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| APA | Smart Define. (2016). implacable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, implacable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>. |
| MLA | Smart Define. "implacable thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms> |