51 entries under toughness topic. ×
| moxie(noun, strength, resolution, fortitude, stamina) | |
| resistance(noun, strength, resolution, firmness, fortitude) | |
| security(noun, support, control, strength, balance) | |
| stableness(noun, support, control, strength, balance) | |
| starch(noun, strength, resolution, fortitude, stamina) | |
| sturdiness(noun, support, control, strength, balance) | |
| support(noun, control, strength, balance, firmness) | |
| sureness(noun, support, control, strength, balance) | |
| vigor(noun, strength, solidity) | |
| hard as nails(noun, expression, idiom, strength, endurance) | |
| hardiness(strength, solidity, sturdiness) |
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| APA | Smart Define. (2015). permanence thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/permanence/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "permanence thesaurus" https://smartdefine.org/permanence/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, permanence thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/permanence/thesaurus/synonyms>. |
| MLA | Smart Define. "permanence thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/permanence/thesaurus/synonyms> |