177 entries under sturdy topic. ×
| perfect(adjective, clear, complete, total, solid) | |
| poised(adjective, calm, strong, secure, solid) | |
| sedate(adjective, severe, solid, stable, thoughtful) | |
| self-possessed(adjective, solid, resolution, stable, fixed) | |
| sensible(adjective, solid, physical, material, true) | |
| solid as a rock(expression, adjective, idiom, calm, strong) | |
| staid(adjective, severe, solid, stable, thoughtful) | |
| total(adjective, complete, solid, certain, vigorous) | |
| unblemished(complete, solid, vigorous) | |
| undamaged(adjective, complete, solid, vigorous, healthy) | |
| undecayed(complete, solid, vigorous) | |
| unsparing(adjective, strong, hard, tough, severe) | |
| alive and kicking(expression, idiom, complete, solid, vigorous) | |
| bitter(adjective, strong, hard, tough, severe) | |
| by the book(expression, adjective, idiom, strong, hard) | |
| dimensional(adjective, strong, hard, substantial) | |
| effectual(complete, solid, vigorous) | |
| ferric(adjective, strong, hard, tough) | |
| ferrous(adjective, strong, hard, tough) | |
| flawless(complete, solid, vigorous) |
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| APA | Smart Define. (2016). firm thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/firm/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "firm thesaurus" https://smartdefine.org/firm/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, firm thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/firm/thesaurus/synonyms>. |
| MLA | Smart Define. "firm thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/firm/thesaurus/synonyms> |