- Definitions|2
- Thesaurus|2k
- Abbreviations|0
139 entries under tough topic. ×
| stern(adjective, appearance, mean, severe) | |
| unshakable(adjective, mean, hard, certain) | |
| hard(adjective, mean, strong, severe) | |
| remorseless(adjective, animal, mean, severe) | |
| cruel(adjective, appearance, mean, strong, hard) | |
| hard-nosed(adjective, mean, strong, hard) | |
| unforgiving(adjective, mean, hard, severe) | |
| severe(adjective, appearance, mean, strong, hard) | |
| unremitting(adjective, hard, harsh, determined) | |
| dogged(adjective, appearance, mean, hard) | |
| ruthless(adjective, animal, appearance, mean, hard) | |
| iron(noun, adjective, mean, hard) | |
| merciless(adjective, appearance, mean, hard) | |
| stiff-necked(adjective, mean, strong, hard) | |
| pertinacious(adjective, strong, cold, determined) | |
| pitiless(adjective, animal, mean, hard) | |
| set in stone(expression, adjective, idiom, mean, hard) | |
| unmerciful(adjective, mean, hard, severe) | |
| mulish(adjective, mean, strong, hard) | |
| steely(adjective, strong, hard, determined) |
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| APA | Smart Define. (2015). unrelenting thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, unrelenting thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>. |
| MLA | Smart Define. "unrelenting thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms> |