- Definitions|2
- Thesaurus|2k
- Abbreviations|0
| barbaric(adjective, animal, mean, violent, cruel) | |
| beastly(adjective, harsh, violent, vicious, fierce) | |
| bestial(adjective, animal, mean, severe, evil) | |
| bleak(adjective, appearance, hard, tough, severe) | |
| bound(adjective, harsh, cruel, determined, fierce) | |
| bull-headed(adjective, determined, resolute, obstinate, uncompromising) | |
| careful | |
| chronic(adjective, persistent, constant, continuous, endless) | |
| cold(adjective, close, mean, strong, hard) | |
| consecutive | |
| demanding | |
| durable | |
| emphatic | |
| eternal(adjective, certain, persistent, constant, reliable) | |
| evergreen(continuity, diuturnity) | |
| everlasting(adjective, persistent, constant, continuous, endless) | |
| faithful | |
| ferocious(adjective, animal, mean, evil, nasty) | |
| habitual(adjective, persistent, continuous, endless, relentless) | |
| hard-core(adjective, strong, hard, tough, severe) |
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| APA | Smart Define. (2015). unrelenting thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unrelenting thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>. |
| MLA | Smart Define. "unrelenting thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms> |