138 entries under sturdy topic. ×
| heavy(noun, adjective, good, person, dull) | |
| husky(adjective, person, body, strong, fresh) | |
| sinewy(adjective, strong, sound, fit, thin) | |
| sound(adjective, calm, strong, fit, firm) | |
| substantial(adjective, calm, strong, hard, solid) | |
| well-built(adjective, calm, person, body, strong) | |
| fixed(adjective, mean, strong, hard, sound) | |
| relentless(adjective, mean, strong, hard, severe) | |
| rigorous(adjective, strong, hard, severe, rough) | |
| staunch(adjective, calm, clear, strong, sound) | |
| unrelenting(adjective, mean, strong, hard, severe) | |
| mighty(adjective, person, body, strong, great) | |
| athletic(adjective, person, body, strong, sound) | |
| austere(adjective, strong, hard, severe, sharp) | |
| hard-line(adjective, characteristic, strong, hard, rough) | |
| healthy(adjective, strong, fit, condition, intense) | |
| persistent(adjective, firm, unreasonable, grim, resolute) | |
| resistant(adjective, strong, hard, fit, firm) | |
| stable(adjective, strong, sound, firm, heavy) | |
| unsparing(adjective, strong, hard, severe, rough) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |