- Definitions|2
- Thesaurus|985
- Abbreviations|0
50 entries under calm topic. ×
| permanent(adjective, strong, secure, firm) | |
| unalterable(adjective, strong, hard, secure) | |
| unchangeable(adjective, strong, secure, firm) | |
| constant(adjective, strong, secure, firm) | |
| invariable(adjective, strong, secure, firm) | |
| enduring(adjective, strong, secure, firm) | |
| abiding(adjective, strong, secure, firm) | |
| lasting(adjective, strong, secure, firm) | |
| steadfast(adjective, strong, secure, firm) | |
| uniform(adjective, strong, secure, firm) | |
| firm(adjective, strong, hard, secure) | |
| steady(adjective, strong, secure, firm) | |
| unvarying(adjective, strong, secure, firm) | |
| even(adjective, strong, secure, firm) | |
| resolute(adjective, strong, hard, determined) | |
| unwavering(adjective, set, strong, solid) | |
| durable(adjective, strong, solid, steady) | |
| fast(adjective, strong, solid, fixed) | |
| set(adjective, strong, secure, firm) | |
| tough(adjective, strong, rough, solid) |
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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> |