- Definitions|2
- Thesaurus|529
- Abbreviations|0
39 entries under tough topic. ×
| merciless(adjective, mean, hard, kind) | |
| ruthless(adjective, mean, hard, severe) | |
| pitiless(adjective, mean, hard, kind) | |
| uncompassionate(adjective, mean, hard, harsh) | |
| hard(adjective, mean, severe, harsh) | |
| relentless(adjective, mean, hard, severe) | |
| harsh(adjective, mean, hard, severe) | |
| unforgiving(adjective, mean, hard, severe) | |
| hard-hearted(adjective, mean, hard, harsh) | |
| inhumane(adjective, mean, hard, severe) | |
| savage(adjective, mean, hard, harsh) | |
| unrelenting(adjective, mean, hard, severe) | |
| inexorable(adjective, mean, hard, severe) | |
| unyielding(adjective, mean, hard, severe) | |
| barbarous(adjective, mean, hard, severe) | |
| fierce(adjective, mean, hard, severe) | |
| implacable(adjective, mean, hard, severe) | |
| inhuman(adjective, mean, hard, harsh) | |
| bloody(adjective, hard, harsh, cruel) | |
| insensitive(adjective, hard, harsh, cruel) |
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| APA | Smart Define. (2016). unmerciful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unmerciful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unmerciful thesaurus" https://smartdefine.org/unmerciful/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, unmerciful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unmerciful/thesaurus/synonyms>. |
| MLA | Smart Define. "unmerciful thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/unmerciful/thesaurus/synonyms> |