104 entries under substantial topic. ×
| uniform(adjective, calm, strong, secure, firm) | |
| unshakable(strong, secure, stable, unmoving) | |
| unwavering(adjective, calm, strong, secure, firm) | |
| bolted(strong, secure, stable, unmoving) | |
| braced(strong, secure, stable, unmoving) | |
| cemented(strong, secure, stable, unmoving) | |
| closed(strong, secure, stable, unmoving) | |
| embedded(strong, secure, stable, unmoving) | |
| motionless(strong, secure, stable, unmoving) | |
| mounted(strong, secure, stable, unmoving) | |
| never-failing(adjective, firm, solid, stable) | |
| patterned(adjective, firm, solid, stable) | |
| petrified(strong, secure, stable, unmoving) | |
| regular(adjective, firm, solid, stable) | |
| riveted(strong, secure, stable, unmoving) | |
| screwed(strong, secure, stable, unmoving) | |
| secured(strong, secure, stable, unmoving) | |
| soldered(strong, secure, stable, unmoving) | |
| spiked(strong, secure, stable, unmoving) | |
| steady-going(adjective, firm, solid, stable) |
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| APA | Smart Define. (2015). durable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/durable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "durable thesaurus" https://smartdefine.org/durable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, durable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/durable/thesaurus/synonyms>. |
| MLA | Smart Define. "durable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/durable/thesaurus/synonyms> |