- Definitions|1
- Thesaurus|1.1k
- Abbreviations|0
84 entries under solid topic. ×
| fixed(adjective, strong, complete, secure, flat) | |
| immutable(adjective, calm, strong, secure, firm) | |
| permanent(adjective, calm, strong, substantial) | |
| unchanging(adjective, moderate, firm, certain) | |
| constant(adjective, calm, strong, secure, moderate) | |
| immovable(adjective, set, secure, firm) | |
| invariable(adjective, calm, set, strong, secure) | |
| firm(adjective, calm, strong, secure, moderate) | |
| resolute(adjective, calm, strong, secure, flat) | |
| steadfast(adjective, calm, strong, secure, flat) | |
| changeless(adjective, firm, certain, stable) | |
| stable(adjective, strong, secure, moderate, flat) | |
| steady(adjective, calm, strong, secure, moderate) | |
| lasting(adjective, calm, strong, 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) |
For more, visit
Unchangeable on
Power Thesaurus
| APA | Smart Define. (2015). unchangeable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unchangeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unchangeable thesaurus" https://smartdefine.org/unchangeable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, unchangeable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unchangeable/thesaurus/synonyms>. |
| MLA | Smart Define. "unchangeable thesaurus" 3 August 2015. Web. 21 September 2026. <https://smartdefine.org/unchangeable/thesaurus/synonyms> |