121 entries under strong topic. ×
| fibrous(adjective, hard, solid, stiff) | |
| flinty(adjective, hard, solid, stiff) | |
| forceful(tough, healthy) | |
| hard(adjective, solid, informal, stiff) | |
| hard-bitten(adjective, hard, solid, stiff) | |
| hard as nails(expression, adjective, idiom, hard) | |
| in good physical shape(expression, idiom, well) | |
| indefatigable(healthy, well, robust, resilient) | |
| indigestible(adjective, hard, solid, stiff) | |
| inured(healthy, well, robust, resilient) | |
| leathery(adjective, hard, solid, stiff) | |
| molded(adjective, hard, solid, stiff) | |
| on top form(expression, adjective, idiom, healthy) | |
| restored(tough, fresh, well) | |
| steeled(adjective, hard, solid, stiff) | |
| stiff(adjective, hard, solid, sturdy) | |
| tight(adjective, hard, solid, stiff) | |
| tough as nails(expression, adjective, idiom, hard) | |
| unbreakable(adjective, hard, solid, stiff) | |
| unflagging(healthy, well, robust, resilient) |
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| APA | Smart Define. (2016). fit thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fit/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fit thesaurus" https://smartdefine.org/fit/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, fit thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fit/thesaurus/synonyms>. |
| MLA | Smart Define. "fit thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/fit/thesaurus/synonyms> |