- Definitions|2
- Thesaurus|697
- Abbreviations|0
212 entries under adjective topic. ×
| dependable | |
| devoted | |
| impregnable | |
| indefatigable | |
| inelastic(determined, resolute, obstinate, uncompromising) | |
| invariable | |
| inviolable | |
| lasting | |
| loyal | |
| obsessive | |
| persevering(strong, tough, firm, determined) | |
| pig-headed(determined, resolute, obstinate, uncompromising) | |
| positive(clear, certain, definite, established) | |
| refractory(tough, firm, unreasonable, grim) | |
| single-minded(tough, firm, solid, determined) | |
| stalwart | |
| tight(strong, hard, secure, tough) | |
| tireless | |
| true | |
| undaunted(firm, determined, bold, resolute) |
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| APA | Smart Define. (2015). unshakable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unshakable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unshakable thesaurus" https://smartdefine.org/unshakable/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unshakable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unshakable/thesaurus/synonyms>. |
| MLA | Smart Define. "unshakable thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unshakable/thesaurus/synonyms> |