5
grit(noun, strength, energy, spirit, courage)
5
guts(noun, strength, energy, spirit, face)
5
mettle(noun, spirit, courage, liveliness, daring)
5
resolution(noun, spirit, determination, confidence, courage)
5
stoutness(noun, health, force, body, power)
4
assurance(noun, strength, spirit, face, rudeness)
4
buoyancy(noun, hard, power, strength, spirit)
4
durability(noun, health, force, body, power)
4
gutsiness(noun, strength, face, assurance, gall)
4
haleness(noun, form, health, strength, energy)
4
heartiness(noun, form, health, power, strength)
4
pluck(noun, spirit, courage, daring, guts)
4
resistance(noun, strength, energy, spirit, endurance)
4
resoluteness(noun, strength, toughness, solidity)
4
spirit(noun, courage, liveliness, daring, guts)
3
ability to bounce back(noun, hard, power, strength, flexibility)
3
adaptability(noun, hard, power, strength, flexibility)
3
backbone(noun, health, force, body, power)
3
determination(noun, strength, energy, spirit, confidence)
3
firmness(noun, health, force, body, power)
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APASmart Define. (2016). hardiness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hardiness/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardiness thesaurus" https://smartdefine.org/hardiness/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, hardiness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hardiness/thesaurus/synonyms>.
MLASmart Define. "hardiness thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/hardiness/thesaurus/synonyms>