54 entries under toughness topic. ×

2
soundness(noun, health, force, body, power)
2
staying power(noun, expression, strength, energy, resistance)
1
heart(noun, strength, energy, spirit, determination)
1
security(noun, health, force, body, power)
1
stability(noun, health, force, body, power)
1
stableness(noun, health, force, body, power)
1
starch(noun, activity, action, go, drive)
1
steadfastness(noun, strength, spirit, determination, confidence)
1
steadiness(noun, health, force, body, power)
0
adherence(strength, solidity)
0
aplomb(strength, solidity)
0
balance(strength, solidity)
0
cohesion(strength, solidity)
0
constancy(strength, solidity, sturdiness)
0
dependability(strength, solidity)
0
durableness(strength, sturdiness)
0
establishment(strength, solidity)
0
fastness(strength, solidity)
0
hard as nails(expression, idiom, strength, sturdiness)
0
immobility(strength, solidity)
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APASmart Define. (2016). hardiness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hardiness/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardiness thesaurus" https://smartdefine.org/hardiness/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, hardiness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hardiness/thesaurus/synonyms>.
MLASmart Define. "hardiness thesaurus" 29 February 2016. Web. 30 September 2026. <https://smartdefine.org/hardiness/thesaurus/synonyms>