- Definitions|2
- Thesaurus|666
- Abbreviations|0
55 entries under tough topic. ×
| obdurate(adjective, strong, flat, firm) | |
| adamant(adjective, strong, flat, firm) | |
| fixed(adjective, strong, flat, firm) | |
| inexorable(adjective, firm, determined, unreasonable) | |
| rigid(adjective, firm, determined, unreasonable) | |
| bullheaded(adjective, firm, determined, unreasonable) | |
| true(adjective, strong, flat, firm) | |
| unbending(adjective, strong, flat, firm) | |
| mulish(adjective, firm, determined, unreasonable) | |
| pigheaded(adjective, firm, determined, unreasonable) | |
| self-willed(adjective, firm, unreasonable, grim) | |
| stiff-necked(adjective, firm, unreasonable, grim) | |
| balky(firm, unreasonable, grim, persistent) | |
| bound(adjective, strong, flat, firm) | |
| hardheaded(firm, determined, unreasonable, grim) | |
| intractable(adjective, firm, unreasonable, grim) | |
| opinionated(firm, unreasonable, grim, inflexible) | |
| strong(adjective, flat, firm, determined) | |
| unshakable(adjective, strong, firm, determined) | |
| willful(firm, unreasonable, grim, inflexible) |
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| APA | Smart Define. (2015). persevering thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/persevering/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "persevering thesaurus" https://smartdefine.org/persevering/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, persevering thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/persevering/thesaurus/synonyms>. |
| MLA | Smart Define. "persevering thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/persevering/thesaurus/synonyms> |