138 entries under sturdy topic. ×
| hard(adjective, person, dull, mean, body) | |
| severe(adjective, clear, bad, strong, hard) | |
| rugged(adjective, action, strong, hard, sound) | |
| rough(noun, adjective, action, person, mean) | |
| strong(adjective, calm, person, body, strong) | |
| harsh(adjective, mean, strong, hard, cool) | |
| stubborn(adjective, characteristic, quality, mean, strong) | |
| hard-nosed(adjective, mean, clear, strong, hard) | |
| unyielding(adjective, characteristic, mean, clear, strong) | |
| firm(adjective, calm, mean, clear, strong) | |
| flinty(adjective, strong, hard, firm, harsh) | |
| cruel(adjective, mean, strong, hard, cool) | |
| adamantine(adjective, strong, hard, firm, unreasonable) | |
| tight(adjective, strong, hard, difficult, complex) | |
| inflexible(adjective, characteristic, mean, strong, hard) | |
| hefty(adjective, person, dull, body, strong) | |
| rigid(adjective, characteristic, mean, strong, hard) | |
| stout(adjective, calm, person, body, strong) | |
| serious(adjective, bad, strong, hard, easy) | |
| unbreakable(adjective, strong, firm, solid, stiff) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |