- Definitions|2
- Thesaurus|985
- Abbreviations|0
88 entries under constant topic. ×
| permanent(adjective, calm, strong, secure, firm) | |
| fixed(adjective, hard, secure, rough, firm) | |
| unalterable(adjective, calm, strong, hard, secure) | |
| unchangeable(adjective, calm, strong, secure, firm) | |
| unchanging(adjective, firm, steady, stable, regular) | |
| invariable(adjective, calm, strong, secure, firm) | |
| enduring(adjective, calm, strong, secure, firm) | |
| abiding(adjective, calm, strong, secure, firm) | |
| everlasting(adjective, stable, fixed, persistent) | |
| lasting(adjective, calm, strong, secure, firm) | |
| eternal(adjective, pause, fixed, persistent) | |
| steadfast(adjective, calm, strong, secure, firm) | |
| uniform(adjective, calm, strong, secure, firm) | |
| firm(adjective, calm, strong, hard, secure) | |
| stable(adjective, dull, secure, firm, steady) | |
| perpetual(adjective, steady, stable, regular, fixed) | |
| persistent(adjective, strong, firm, stable) | |
| inflexible(adjective, set, hard, secure, rough) | |
| steady(adjective, calm, strong, secure, firm) | |
| indestructible(adjective, stable, enduring, unable) |
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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> |