- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
97 entries under fixed topic. ×
| unswerving(adjective, firm, solid, stable) | |
| brick-wall(adjective, calm, strong, secure, firm) | |
| calm(adjective, strong, secure, firm, solid) | |
| carved in stone | |
| dead set on(expression, idiom, strong, certain, definite) | |
| imperishable(adjective, static) | |
| never-failing(adjective, strong, flat, firm, solid) | |
| poised(adjective, calm, strong, secure, firm) | |
| safe(adjective, calm, strong, secure, firm) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| sober(adjective, quiet, moderate, firm, solid) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| sound(adjective, calm, strong, secure, firm) | |
| stabile(adjective, calm, strong, secure, firm) | |
| stand pat(expression, strong, certain, steady, definite) | |
| substantial(adjective, calm, strong, secure, firm) | |
| unquestioning(adjective, set, clear, firm, solid) | |
| ageless(unchanging, permanent, static) | |
| allegiant(adjective, firm, solid, stable) | |
| ardent(adjective, firm, solid, stable) |
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| APA | Smart Define. (2015). unchangeable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unchangeable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unchangeable thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms> |