- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
149 entries under strong topic. ×
| persisting(adjective, tough, firm, determined) | |
| true(adjective, tough, firm, determined) | |
| vehement(adjective, severe, difficult, intense) | |
| animal(noun, adjective, mean, severe) | |
| astringent(adjective, close, hard, tough) | |
| authoritarian(adjective, hard, tough, severe) | |
| bold(adjective, firm, violent, resolute) | |
| brutish(adjective, severe, evil, nasty) | |
| cold(adjective, close, mean, hard) | |
| fell(adjective, animal, mean, severe) | |
| fiery(difficult, violent, resentment, brutal) | |
| furious(violent, resentment, brutal, ferocious) | |
| hard-core(adjective, hard, tough, severe) | |
| immutable(adjective, set, hard, firm) | |
| malevolent(adjective, mean, severe, evil) | |
| sure(adjective, tough, firm, determined) | |
| uncontrollable(violent, brutal, ferocious, menacing) | |
| vicious(adjective, mean, severe, evil) | |
| bitter(adjective, hard, tough, severe) | |
| bloodthirsty(adjective, severe, evil, nasty) |
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| APA | Smart Define. (2015). relentless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, relentless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>. |
| MLA | Smart Define. "relentless thesaurus" 24 June 2015. Web. 26 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms> |