- Definitions|2
- Thesaurus|697
- Abbreviations|0
88 entries under firm topic. ×
| mulish(adjective, mean, strong, hard, tough) | |
| sturdy(adjective, strong, hard, tough, continue) | |
| unshaken(adjective, clear, strong, solid) | |
| sound(adjective, strong, hard, secure, continue) | |
| tough(adjective, mean, strong, hard) | |
| unchanging(adjective, clear, solid, certain) | |
| balky(tough, unreasonable, grim, inflexible) | |
| bold(adjective, determined, resolute, confident) | |
| certain(adjective, clear, complete, definite) | |
| decided(adjective, clear, certain, definite) | |
| definite(adjective, clear, strong, complete) | |
| hardheaded(tough, determined, resolute, obstinate) | |
| persevering(adjective, strong, tough, determined) | |
| refractory(adjective, tough, unreasonable, grim) | |
| settled(strong, secure, substantial, stable) | |
| single-minded(adjective, tough, solid, determined) | |
| tight(adjective, strong, hard, secure, tough) | |
| undaunted(adjective, determined, bold, resolute) | |
| unhesitating(adjective, complete, certain, obedient) | |
| accurate(complete, certain, established, obedient) |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |