45 entries under calm topic. ×
| strong(verb, adjective, sound, secure) | |
| firm(noun, adjective, strong, sound) | |
| sound(adjective, strong, secure, tough) | |
| substantial(adjective, strong, sound, secure) | |
| unfluctuating(adjective, strong, secure, strain) | |
| enduring(adjective, strong, sound, secure) | |
| stout(adjective, strong, sound, secure) | |
| constant(adjective, strong, secure, tough) | |
| fast(adjective, strong, secure, tough) | |
| steady(adjective, strong, sound, secure) | |
| sturdy(adjective, strong, sound, secure) | |
| steadfast(adjective, strong, secure, strain) | |
| tough(verb, adjective, strong, sound) | |
| stabile(adjective, strong, secure, strain) | |
| solid(adjective, strong, sound, tough) | |
| perdurable(adjective, strong, tough, continue) | |
| abiding(adjective, strong, secure, tough) | |
| well-built(adjective, strong, sound, secure) | |
| immutable(adjective, strong, solid, steady) | |
| reliable(adjective, strong, secure, tough) |
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| APA | Smart Define. (2015). durable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/durable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, durable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>. |
| MLA | Smart Define. "durable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms> |