- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
353 entries under adjective topic. ×
| tireless | |
| unadaptable(set, hard, stiff, rigid) | |
| undying | |
| unfaltering(clear, firm, solid, certain) | |
| unflagging | |
| unfluctuating(calm, strong, secure, firm) | |
| unshaken(set, clear, strong, flat) | |
| unswerving(firm, solid, stable, fixed) | |
| valiant | |
| absolute | |
| agreed(certain, limited, definite, inflexible) | |
| arranged(certain, limited, definite, inflexible) | |
| ascertainable | |
| austere | |
| brick-wall(calm, strong, secure, firm) | |
| bullheaded | |
| calm(strong, secure, firm, solid) | |
| carved in stone | |
| circumscribed(certain, limited, definite, inflexible) | |
| coherent |
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| APA | Smart Define. (2015). unchangeable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unchangeable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unchangeable thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms> |