- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
602 entries under adjective topic. ×
| vindictive(mean, hard, tough, severe) | |
| never-ending(adverb, determined, constant, obstinate) | |
| animal(noun, mean, strong, severe) | |
| ardent(difficult, intense, resolute, persistent) | |
| astringent(close, strong, hard, tough) | |
| authoritarian(strong, hard, tough, severe) | |
| bleak(appearance, severe, harsh, terrible) | |
| bold(strong, firm, violent, resolute) | |
| brutish(strong, severe, evil, nasty) | |
| chilly | |
| cold(close, mean, strong, hard) | |
| cold-hearted(hard, cold, cruel, unfeeling) | |
| confirmed(persistent, obstinate, insistent, dogged) | |
| courageous | |
| dismal | |
| dog-eat-dog(mean, hard, severe, harsh) | |
| draconian | |
| enduring(determined, steady, resolute, persistent) | |
| fearless | |
| fell(animal, mean, strong, severe) |
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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> |