- Definitions|2
- Thesaurus|529
- Abbreviations|0
187 entries under adjective topic. ×
| fiendish | |
| flinty | |
| hardened(hard, tough, harsh, cruel) | |
| hellish | |
| hurtful(mean, severe, harsh, cruel) | |
| monstrous(severe, harsh, cruel) | |
| mortal(mean, severe, harsh, cruel) | |
| murderous(hard, tough, harsh, violent) | |
| rancorous(mean, harsh, cruel, vicious) | |
| sadistic(mean, harsh, cruel, vicious) | |
| tigerish(violent, cruel, vicious, fierce) | |
| uncompromising(cruel, pitiless, heartless, hardhearted) | |
| vengeful(severe, harsh, cruel) | |
| vindictive(mean, hard, tough, severe) | |
| violent(cruel, vicious, fierce, savage) | |
| wild(violent, cruel, vicious, fierce) | |
| without mercy(expression, vicious, fierce) | |
| adamant(mean, harsh, cruel, vicious) | |
| atrocious | |
| avaricious(hard, tough, harsh, cruel) |
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| APA | Smart Define. (2016). unmerciful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unmerciful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>. |
| MLA | Smart Define. "unmerciful thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms> |