114 entries under solid topic. ×
| self-possessed(adjective, firm, stable, fixed) | |
| sensible(adjective, firm, stable, fixed) | |
| serene(adjective, firm, stable, fixed) | |
| serious-minded(adjective, firm, stable, fixed) | |
| single-minded(adjective, firm, stable, fixed) | |
| sober(adjective, firm, stable, fixed) | |
| staid(adjective, firm, stable, fixed) | |
| steady-going(adjective, firm, substantial, stable) | |
| unfaltering(adjective, firm, stable, fixed) | |
| unqualified(adjective, firm, stable, fixed) | |
| unquestioning(adjective, firm, stable, fixed) | |
| unshaken(adjective, firm, stable, fixed) | |
| unswerving(adjective, firm, stable, fixed) | |
| wholehearted(adjective, firm, stable, fixed) |
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| APA | Smart Define. (2015). durable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/durable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, durable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>. |
| MLA | Smart Define. "durable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms> |