- Definitions|1
- Thesaurus|301
- Abbreviations|0
| dogged | |
| invariant | |
| iron-willed(adjective, determined, resolute, uncompromising, unshakeable) | |
| ironclad | |
| nonflexible | |
| ornery(adjective, tough, firm, unreasonable, grim) | |
| persevering | |
| persistent | |
| purposeful | |
| refractory(adjective, tough, firm, unreasonable, grim) | |
| rock-ribbed(adjective, determined, resolute, uncompromising, unshakeable) | |
| solidified(adjective, firm, rigid, inflexible, unbending) | |
| starchy(adjective, firm, rigid, inflexible, unbending) | |
| stiff-necked(adjective, determined, resolute, uncompromising, unshakeable) | |
| sturdy | |
| taut(adjective, firm, rigid, inflexible, unbending) | |
| tight(adjective, firm, rigid, inflexible, unbending) | |
| unfluctuating | |
| unshakeable(adjective, determined, resolute, uncompromising) | |
| watertight |
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| APA | Smart Define. (2013). unbendable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unbendable/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unbendable thesaurus" https://smartdefine.org/unbendable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2013, unbendable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unbendable/thesaurus/synonyms>. |
| MLA | Smart Define. "unbendable thesaurus" 27 June 2013. Web. 24 September 2026. <https://smartdefine.org/unbendable/thesaurus/synonyms> |