48 entries under pitiless topic. ×
| unmerciful(adjective, mean, harsh, cruel, vicious) | |
| without pity(expression, adjective, mean, severe, harsh) | |
| adamant(adjective, mean, harsh, cruel, vicious) | |
| surly(adjective, mean, severe, harsh, cruel) | |
| cold(adjective, mean, harsh, cruel, vicious) | |
| ferocious(adjective, mean, harsh, cruel, vicious) | |
| fierce(adjective, mean, harsh, cruel, vicious) | |
| grim(adjective, mean, harsh, cruel, vicious) | |
| hard-nosed(adjective, cruel, brutal, callous) | |
| hardhearted(adjective, cruel, brutal, callous) | |
| harsh(adjective, mean, cruel, vicious, brutal) | |
| implacable(adjective, mean, harsh, cruel, vicious) | |
| inexorable(adjective, mean, harsh, cruel, vicious) | |
| rancorous(adjective, mean, harsh, cruel, vicious) | |
| relentless(adjective, mean, harsh, cruel, vicious) | |
| revengeful(adjective, mean, harsh, cruel, vicious) | |
| sadistic(adjective, mean, harsh, cruel, vicious) | |
| unappeasable(adjective, mean, severe, harsh, cruel) | |
| unfeeling(adjective, mean, harsh, cruel, vicious) | |
| unforgiving(adjective, mean, harsh, cruel, vicious) |
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| APA | Smart Define. (2016). killer thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/killer/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "killer thesaurus" https://smartdefine.org/killer/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, killer thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/killer/thesaurus/synonyms>. |
| MLA | Smart Define. "killer thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/killer/thesaurus/synonyms> |