115 entries under sturdy topic. ×
| powerful(adjective, strong, sound, tough, solid) | |
| reinforced(adjective, strong, sound, tough, solid) | |
| resolute(adjective, calm, strong, secure, firm) | |
| safe(adjective, calm, strong, secure, firm) | |
| stark(adjective, strong, sound, tough, solid) | |
| strapping(adjective, strong, hard, sound, tough) | |
| uniform(adjective, calm, strong, secure, firm) | |
| unwavering(adjective, calm, strong, secure, firm) | |
| allegiant(adjective, firm, solid, stable, fixed) | |
| certain(adjective, firm, solid, stable, fixed) | |
| cool(adjective, firm, solid, stable, fixed) | |
| hardened(adjective, strong, hard, firm, solid) | |
| imperturbable(adjective, firm, solid, stable, fixed) | |
| levelheaded(adjective, firm, solid, stable, fixed) | |
| liege(adjective, firm, solid, stable, fixed) | |
| long-continued | |
| never-failing(adjective, firm, solid, substantial, stable) | |
| patterned(adjective, firm, solid, substantial, stable) | |
| regular(adjective, firm, solid, substantial, stable) | |
| reserved(adjective, firm, solid, stable, fixed) |
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| APA | Smart Define. (2015). durable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/durable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, durable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>. |
| MLA | Smart Define. "durable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms> |