72 entries under sturdy topic. ×
| immovable(adjective, strong, secure, firm, solid) | |
| staunch(adjective, calm, close, strong, secure) | |
| solid(verb, adjective, adverb, calm, strong) | |
| sure(adjective, calm, close, strong, secure) | |
| unwavering(adjective, calm, close, strong, secure) | |
| liege(adjective, continue, firm, honest, sensible) | |
| changeless(adjective, firm, solid, stable, fixed) | |
| reliable(adjective, calm, close, strong, secure) | |
| resolute(adjective, calm, close, strong, secure) | |
| unchanging(adjective, close, correct, firm, honest) | |
| abiding(adjective, calm, strong, secure, tough) | |
| balanced(adjective, calm, strong, secure, firm) | |
| dependable(adjective, close, strong, tough, correct) | |
| allegiant(adjective, close, correct, continue, firm) | |
| unfaltering(adjective, firm, solid, stable, fixed) | |
| unswerving(adjective, close, strong, complete, tough) | |
| ardent(adjective, close, correct, firm, honest) | |
| cool(adjective, firm, sensible, solid, steady) | |
| imperturbable(adjective, firm, sensible, solid, steady) | |
| intense(adjective, complete, firm, total, sensible) |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms> |