- Definitions|2
- Thesaurus|1k
- Abbreviations|0
73 entries under solid topic. ×
| unchanging(adjective, change, severe, firm, harsh) | |
| constant(adjective, change, firm, certain) | |
| fixed(adjective, severe, firm, harsh) | |
| invariable(adjective, change, severe, harsh) | |
| unvarying(adjective, set, clear, smooth, firm) | |
| enduring(adjective, firm, certain, stable) | |
| steadfast(adjective, firm, certain, steady) | |
| unchangeable(adjective, firm, certain, stable) | |
| abiding(adjective, firm, certain, stable) | |
| regular(adjective, set, smooth, right, firm) | |
| steady(adjective, firm, certain, stable) | |
| firm(noun, adjective, certain, stable) | |
| stable(adjective, smooth, right, firm) | |
| uniform(adjective, set, smooth, right, firm) | |
| durable(adjective, set, firm, stable) | |
| set(adjective, severe, firm, harsh) | |
| fast(adjective, firm, stable, fixed) | |
| immovable(adjective, set, firm, still) | |
| resolute(adjective, firm, stable, fixed) | |
| sure(adjective, clear, firm, certain) |
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| APA | Smart Define. (2015). changeless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/changeless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "changeless thesaurus" https://smartdefine.org/changeless/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, changeless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/changeless/thesaurus/synonyms>. |
| MLA | Smart Define. "changeless thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/changeless/thesaurus/synonyms> |