120 entries under sturdy topic. ×
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| staid(adjective, calm, quiet, reasonable, firm) | |
| stark(adjective, strong, tough, solid, heavy) | |
| steady-going(adjective, firm, solid, stable, fixed) | |
| unchangeable(adjective, calm, strong, secure, firm) | |
| uniform(adjective, calm, strong, secure, firm) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| allegiant(adjective, firm, solid, stable, fixed) | |
| changeless(adjective, firm, solid, stable, fixed) | |
| liege(adjective, firm, solid, stable, fixed) | |
| never-failing(adjective, firm, solid, stable, fixed) | |
| patterned(adjective, firm, solid, stable, fixed) | |
| serious-minded(adjective, firm, solid, stable, fixed) | |
| single-minded(adjective, firm, solid, stable, fixed) | |
| unchanging(adjective, firm, solid, steady, stable) | |
| unfaltering(adjective, firm, solid, stable, fixed) | |
| unquestioning(adjective, firm, solid, stable, fixed) | |
| unshaken(adjective, firm, solid, stable, fixed) | |
| unswerving(adjective, firm, solid, stable, fixed) | |
| wholehearted(adjective, firm, solid, enthusiastic, vigorous) |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |