- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
| spiteful(adjective, nasty, unkind, malicious, merciless) | |
| stonyhearted | |
| thoughtless | |
| unappeasable(adjective, mean, severe, harsh, cruel) | |
| uncivilised | |
| unemotional(adjective, hard, tough, severe, cold) | |
| unfriendly(adjective, unfeeling, unsympathetic, hardhearted) | |
| ungracious(adjective, hard, severe, sharp, nasty) | |
| unprincipled(adjective, vicious, savage, ruthless) | |
| unresponsive(adjective, unfeeling, unsympathetic, uncaring, insensitive) | |
| unsentimental | |
| abominable | |
| adamantine | |
| affectless | |
| aloof | |
| anesthetized(adjective, hard, tough, severe, cold) | |
| asleep(adjective, hard, tough, severe, cold) | |
| astringent(adjective, close, hard, severe, harsh) | |
| autocratic | |
| avaricious(adjective, hard, tough, harsh, cruel) |
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| APA | Smart Define. (2016). pitiless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, pitiless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>. |
| MLA | Smart Define. "pitiless thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms> |