- Definitions|2
- Thesaurus|697
- Abbreviations|0
| resolved | |
| sound(adjective, strong, hard, secure, continue) | |
| tough(adjective, mean, strong, hard, firm) | |
| undeviating | |
| changeless(adjective, clear, certain, definite, unquestionable) | |
| hard(adjective, mean, strong, tough, harsh) | |
| immobile(adjective, strong, secure, steady, substantial) | |
| immutable | |
| imperturbable | |
| incontrovertible(adjective, clear, certain, definite, unquestionable) | |
| regular | |
| resistant(adjective, determined, resolute, obstinate, uncompromising) | |
| trusty | |
| unchanging(adjective, clear, firm, solid, certain) | |
| unquestioning(adjective, clear, certain, definite, obedient) | |
| unvarying(adjective, clear, certain, definite, unquestionable) | |
| work well under pressure | |
| assured(adjective, certain, bold, confident, unquestionable) | |
| balky(tough, firm, unreasonable, grim, inflexible) | |
| bold(adjective, firm, determined, resolute, confident) |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |