- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
211 entries under severe topic. ×
| ruthless(adjective, animal, appearance, mean, hard) | |
| unforgiving(adjective, mean, hard, tough) | |
| severe(adjective, appearance, mean, strong, hard) | |
| hard-nosed(adjective, mean, strong, hard, tough) | |
| merciless(adjective, appearance, mean, hard, tough) | |
| hard(adjective, mean, strong, tough) | |
| pitiless(adjective, animal, mean, hard, tough) | |
| unappeasable(adjective, mean, harsh, cruel) | |
| savage(adjective, animal, mean, strong, hard) | |
| strict(adjective, strong, hard, tough) | |
| unflinching(adjective, mean, firm, harsh) | |
| austere(adjective, appearance, mean, strong, hard) | |
| exacting(adjective, persistent, severity, obstinate) | |
| fierce(adjective, animal, mean, hard, tough) | |
| stiff-necked(adjective, mean, strong, hard, tough) | |
| tough(adjective, mean, strong, hard) | |
| unmerciful(adjective, mean, hard, tough) | |
| rigorous(adjective, strong, hard, tough) | |
| brutal(adjective, mean, strong, evil) | |
| callous(adjective, mean, hard, evil) |
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| APA | Smart Define. (2015). relentless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, relentless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>. |
| MLA | Smart Define. "relentless thesaurus" 24 June 2015. Web. 24 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms> |