- Definitions|2
- Thesaurus|3.4k
- Abbreviations|0
103 entries under firm topic. ×
| secure(verb, adjective, calm, strong, hard) | |
| steadfast(adjective, calm, strong, tough) | |
| steady(adjective, calm, strong, sound, tough) | |
| resolute(adjective, calm, strong, tough) | |
| fast(adjective, calm, strong, tough) | |
| unswerving(adjective, strong, tough, solid) | |
| unwavering(adjective, calm, strong, secure) | |
| forceful(adjective, strong, great, sound, tough) | |
| inflexible(adjective, close, strong, hard, tough) | |
| dependable(adjective, strong, tough, solid) | |
| enduring(adjective, calm, strong, sound, secure) | |
| rigid(adjective, close, set, strong, hard) | |
| unfaltering(adjective, solid, determined, stable) | |
| unshakable(adjective, strong, hard, tough, continue) | |
| fixed(adjective, close, strong, hard, sound) | |
| stubborn(adjective, strong, hard, tough) | |
| tight(adjective, close, strong, hard, tough) | |
| well-founded(adjective, calm, strong, sound, secure) | |
| dense(adjective, person, close, set, body) | |
| fresh(adjective, strong, moving, tough, fit) |
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| APA | Smart Define. (2016). sturdy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sturdy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>. |
| MLA | Smart Define. "sturdy thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms> |