- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
49 entries under substantial topic. ×
| immutable(adjective, calm, strong, secure, firm) | |
| permanent(adjective, calm, strong, solid) | |
| constant(adjective, calm, strong, secure, moderate) | |
| invariable(adjective, calm, set, strong, secure) | |
| firm(adjective, calm, strong, secure, moderate) | |
| resolute(adjective, calm, strong, secure, flat) | |
| steadfast(adjective, calm, strong, secure, flat) | |
| steady(adjective, calm, strong, secure, moderate) | |
| lasting(adjective, calm, strong, solid, steady) | |
| unvarying(adjective, calm, clear, strong, secure) | |
| unwavering(adjective, calm, strong, secure, flat) | |
| sure(adjective, calm, strong, secure, flat) | |
| enduring(adjective, calm, strong, secure, flat) | |
| set(adjective, calm, strong, secure, flat) | |
| staunch(adjective, calm, strong, secure, flat) | |
| uniform(adjective, calm, set, strong, secure) | |
| abiding(adjective, calm, strong, secure, flat) | |
| durable(adjective, calm, strong, secure, firm) | |
| even(adjective, calm, strong, secure, firm) | |
| solid(adjective, calm, strong, secure, firm) |
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| APA | Smart Define. (2015). unchangeable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unchangeable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unchangeable thesaurus" 3 August 2015. Web. 23 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms> |