147 entries under sturdy topic. ×
| indestructible(adjective, tough, constant, enduring) | |
| perduring(tough, constant, enduring, lasting) | |
| physical(adjective, strong, hard, solid, material) | |
| right(adjective, direct, sound, complete, smooth) | |
| rooted(adjective, strong, hard, secure, solid) | |
| set in stone(expression, adjective, idiom, secure, firm) | |
| staid(adjective, firm, solid, thoughtful, fixed) | |
| able(adjective, strong, sound, tough, easy) | |
| active(adjective, strong, sound, tough, solid) | |
| ardent(adjective, firm, solid, true, fixed) | |
| athletic(adjective, strong, sound, tough, solid) | |
| big(adjective, strong, sound, tough, solid) | |
| brick-wall(adjective, firm, solid, steady, fixed) | |
| brick wall(expression, adjective, strong, hard, steady) | |
| capable(adjective, strong, sound, tough, solid) | |
| fit(adjective, sound, complete, solid, vigorous) | |
| flawless(complete, clean, solid, pure, vigorous) | |
| forceful(adjective, strong, sound, tough, solid) | |
| forcible(adjective, strong, sound, tough, solid) | |
| hard as nails(expression, adjective, idiom, strong, sound) |
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| APA | Smart Define. (2015). stable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stable thesaurus" https://smartdefine.org/stable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, stable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stable/thesaurus/synonyms>. |
| MLA | Smart Define. "stable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/stable/thesaurus/synonyms> |