| reliable(adjective, calm, strong, secure, tough) | |
| serviceable | |
| stalwart(adjective, calm, strong, sound, secure) | |
| tenacious(adjective, strong, sound, secure, tough) | |
| unchangeable(adjective, calm, strong, secure, firm) | |
| withstanding | |
| hearty(adjective, strong, sound, tough, solid) | |
| lifelong(adjective, permanent, recurrent, perpetual, long-term) | |
| long-term(adjective, lasting, permanent, lifelong) | |
| long-wearing | |
| stubborn | |
| unbreakable(adjective, strong, hard, tough, firm) | |
| unchanging(adjective, set, firm, solid, steady) | |
| well-made(adjective, strong, sound, tough, solid) | |
| able-bodied(adjective, strong, sound, tough, solid) | |
| aged(adjective, aged) | |
| chronic(adjective, diuturnity) | |
| diuturnal(adjective, sturdy, stability, diuturnity) | |
| endless(adjective, permanent, long-term, lifelong, diuturnity) | |
| hard-wearing |
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| APA | Smart Define. (2015). durable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/durable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, durable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>. |
| MLA | Smart Define. "durable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms> |