- Definitions|2
- Thesaurus|985
- Abbreviations|0
202 entries under adjective topic. ×
| unyielding(hard, firm, steady, fixed) | |
| ageless(fixed, lasting, unchanging, permanent) | |
| continual(steady, stable, regular, fixed) | |
| equable(calm, strong, secure, firm) | |
| inelastic | |
| iron(set, hard, stiff, rigid) | |
| methodical(even, rigid, inflexible, reliable) | |
| persevering | |
| persisting(strong, firm, determined, bold) | |
| settled | |
| single-minded(set, hard, stiff, rigid) | |
| steely(set, hard, stiff, rigid) | |
| tenacious | |
| unfluctuating(calm, strong, secure, firm) | |
| unshakable | |
| unswerving | |
| absolute | |
| bold | |
| ceaseless(persistent, constant, continuous, endless) | |
| chronic(persistent, continuous, endless, relentless) |
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| APA | Smart Define. (2015). immutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immutable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "immutable thesaurus" https://smartdefine.org/immutable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, immutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immutable/thesaurus/synonyms>. |
| MLA | Smart Define. "immutable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/immutable/thesaurus/synonyms> |