- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
353 entries under adjective topic. ×
| rigid(set, hard, regular, fixed) | |
| unyielding(strong, hard, steady, resolute) | |
| inexorable(hard, resolute, rigid, inflexible) | |
| lasting(calm, strong, solid, steady) | |
| unvarying(calm, clear, strong, secure) | |
| unwavering(calm, strong, secure, flat) | |
| irreversible(constant, steadfast) | |
| inalterable(certain, limited, definite, fixed) | |
| irrevocable(certain, unquestionable, undisputable, irreversible) | |
| resolved(strong, flat, certain, determined) | |
| sure(calm, strong, secure, flat) | |
| unbending(strong, flat, certain, determined) | |
| uncompromising(complete, secure, certain, true) | |
| undeviating(strong, flat, certain, determined) | |
| adamant(strong, definite, rigid, inflexible) | |
| enduring(calm, strong, secure, flat) | |
| hard(resolute, rigid, inflexible, strict) | |
| set(calm, strong, secure, flat) | |
| staunch(calm, strong, secure, flat) | |
| stiff(set, hard, resolute, rigid) |
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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> |