33 entries under strong topic. ×
| hard-bitten(adjective, hard, solid, stiff) | |
| hard as nails(expression, adjective, idiom, hard) | |
| indigestible(adjective, hard, solid, stiff) | |
| molded(adjective, hard, solid, stiff) | |
| resilient(adjective, hard, solid, stiff) | |
| rigid(adjective, hard, solid, stiff) | |
| seasoned(adjective, hard, solid, stiff) | |
| steeled(adjective, hard, solid, stiff) | |
| sturdy(vigorous, robust, brawny, wiry) | |
| tight(adjective, hard, solid, stiff) | |
| tough as nails(expression, adjective, idiom, hard) | |
| unbreakable(adjective, hard, solid, stiff) | |
| withstanding(adjective, hard, solid, stiff) |
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| APA | Smart Define. (2015). fibrous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fibrous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fibrous thesaurus" https://smartdefine.org/fibrous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, fibrous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fibrous/thesaurus/synonyms>. |
| MLA | Smart Define. "fibrous thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/fibrous/thesaurus/synonyms> |