114 entries under strong topic. ×
| set(verb, adjective, calm, secure) | |
| heavy-duty(adjective, sound, tough, solid) | |
| immovable(adjective, secure, firm, solid) | |
| staunch(adjective, calm, sound, secure) | |
| well-founded(adjective, calm, sound, secure) | |
| adamantine(adjective, tough, firm, stiff) | |
| big(adjective, sound, tough, solid) | |
| bulky(solid, significant, large, robust) | |
| dense(adjective, hard, firm, solid) | |
| hard as nails(expression, adjective, idiom, hard) | |
| healthy(adjective, hard, solid, heavy) | |
| heavy(adjective, sound, tough, solid) | |
| immobile(secure, substantial, stable, unmoving) | |
| in fine feather(expression, adjective, idiom, sound) | |
| indissoluble(adjective, permanent, long-term, lifelong) | |
| secure(adjective, calm, sound, tough) | |
| set in stone(expression, adjective, idiom, calm) | |
| sinewy(adjective, hard, sound, tough) | |
| solid as a rock(expression, adjective, idiom, calm) | |
| sure(adjective, calm, secure, firm) |
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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> |