- Definitions|2
- Thesaurus|3.4k
- Abbreviations|0
103 entries under firm topic. ×
| calm(adjective, strong, secure, solid) | |
| capable(adjective, strong, sound, tough, fit) | |
| certain(adjective, solid, true, stable) | |
| constant(adjective, calm, strong, secure, tough) | |
| equable(adjective, calm, strong, secure) | |
| even(adjective, calm, strong, secure) | |
| loyal(adjective, solid, true, stable) | |
| mulish(adjective, strong, hard, tough) | |
| obdurate(adjective, strong, hard, tough) | |
| poised(adjective, calm, strong, secure) | |
| relentless(adjective, strong, hard, tough) | |
| safe(adjective, calm, strong, complete, secure) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| stabile(adjective, calm, strong, secure) | |
| unflagging(adjective, strong, sound, tough, fit) | |
| unfluctuating(adjective, calm, strong, secure) | |
| uniform(adjective, calm, strong, secure) | |
| unvarying(adjective, calm, strong, secure) | |
| allegiant(adjective, solid, stable, fixed) | |
| ardent(adjective, solid, stable, fixed) |
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| APA | Smart Define. (2016). sturdy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sturdy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>. |
| MLA | Smart Define. "sturdy thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms> |