- Definitions|0
- Thesaurus|296
- Abbreviations|0
72 entries under solid topic. ×
| steady-going(adjective, firm, substantial, stable) | |
| unchangeable(adjective, strong, flat, firm) | |
| unchanging(adjective, set, clear, firm) | |
| undeviating(adjective, strong, flat, firm) | |
| unshakable(adjective, clear, strong, firm) | |
| unshaken(adjective, set, clear, strong, flat) | |
| unswerving(adjective, set, firm, total) | |
| unvarying(adjective, set, clear, firm) | |
| allegiant(adjective, firm, intense, stable) | |
| balanced(adjective, firm, stable, fixed) | |
| brick-wall(adjective, firm, steady, substantial) | |
| calm(adjective, firm, stable, fixed) | |
| cool(adjective, firm, stable, fixed) | |
| durable(adjective, firm, substantial, stable) | |
| equable(adjective, firm, substantial, stable) | |
| even(adjective, firm, substantial, stable) | |
| fast(adjective, firm, intense, stable) | |
| liege(adjective, firm, intense, stable) | |
| patterned(adjective, firm, substantial, stable) | |
| poised(adjective, firm, stable, fixed) |
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| Chicago | Smart Define. 2015. "never-failing thesaurus" https://smartdefine.org/never-failing/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, never-failing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/never-failing/thesaurus/synonyms>. |
| MLA | Smart Define. "never-failing thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/never-failing/thesaurus/synonyms> |