- Definitions|0
- Thesaurus|296
- Abbreviations|0
72 entries under solid topic. ×
| firm(adjective, complete, total, certain) | |
| steadfast(adjective, strong, complete, flat, firm) | |
| steady(adjective, strong, complete, flat, firm) | |
| sure(adjective, strong, complete, flat, firm) | |
| unfaltering(adjective, complete, firm, total) | |
| unqualified(adjective, strong, complete, flat, firm) | |
| unwavering(adjective, strong, flat, firm, total) | |
| abiding(adjective, strong, complete, flat, firm) | |
| wholehearted(adjective, set, complete, firm, total) | |
| certain(adjective, set, clear, complete, firm) | |
| enduring(adjective, strong, complete, flat, firm) | |
| fixed(adjective, set, clear, strong, flat) | |
| unquestioning(adjective, set, clear, warm, firm) | |
| ardent(adjective, complete, warm, firm, total) | |
| changeless(adjective, clear, firm, certain) | |
| consistent(adjective, strong, firm, certain) | |
| constant(adjective, clear, strong, flat, firm) | |
| dead set on(expression, adjective, idiom, strong) | |
| dedicated(adjective, complete, warm, firm, total) | |
| dependable(adjective, firm, certain, stable) |
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| APA | Smart Define. (2015). never-failing thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/never-failing/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "never-failing thesaurus" https://smartdefine.org/never-failing/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, never-failing thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/never-failing/thesaurus/synonyms>. |
| MLA | Smart Define. "never-failing thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/never-failing/thesaurus/synonyms> |