- Definitions|1
- Thesaurus|386
- Abbreviations|0
| venom(noun, cruelty, harshness, unkindness, callousness) | |
| viciousness(noun, cruelty, harshness, unkindness, coldness) | |
| acuteness | |
| austerity | |
| callosity | |
| coldbloodedness | |
| cruelness | |
| despotism(noun, cruelty, harshness, unkindness, callousness) | |
| destructiveness | |
| extremity | |
| force | |
| furiousness | |
| hardness of heart(expression, idiom) | |
| heart of stone(expression, idiom) | |
| hellishness | |
| impetuosity | |
| inexorability(noun, ruthlessness, mercilessness, relentlessness) | |
| inexorableness(noun, ruthlessness, mercilessness, relentlessness) | |
| inflexibility(noun, ruthlessness, mercilessness, relentlessness) | |
| intensity |
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| APA | Smart Define. (2015). pitilessness thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pitilessness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pitilessness thesaurus" https://smartdefine.org/pitilessness/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, pitilessness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pitilessness/thesaurus/synonyms>. |
| MLA | Smart Define. "pitilessness thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/pitilessness/thesaurus/synonyms> |