- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
117 entries under hard topic. ×
| merciless(adjective, appearance, mean, tough) | |
| cruel(adjective, appearance, mean, tough) | |
| pitiless(adjective, animal, mean, tough) | |
| savage(adjective, animal, mean, tough) | |
| brutal(adjective, mean, tough, severe) | |
| inhuman(adjective, animal, mean, tough) | |
| harsh(adjective, mean, tough, severe) | |
| heartless(adjective, mean, feeling, tough) | |
| unmerciful(adjective, mean, tough, severe) | |
| barbarous(adjective, animal, appearance, mean) | |
| callous(adjective, mean, tough, severe) | |
| cold-blooded(adjective, mean, tough, severe) | |
| relentless(adjective, animal, appearance, mean) | |
| unsympathetic(adjective, animal, mean, tough) | |
| ferocious(adjective, animal, mean, evil) | |
| fierce(adjective, animal, mean, tough) | |
| unrelenting(adjective, animal, appearance, mean) | |
| vicious(adjective, mean, evil, rough) | |
| hard-hearted(adjective, mean, tough, severe) | |
| severe(adjective, appearance, mean, tough) |
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| APA | Smart Define. (2016). ruthless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ruthless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ruthless thesaurus" https://smartdefine.org/ruthless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, ruthless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ruthless/thesaurus/synonyms>. |
| MLA | Smart Define. "ruthless thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ruthless/thesaurus/synonyms> |