72 entries under spirit topic. ×

4
guts(noun, strength, energy, determination)
4
mettle(noun, determination, courage, boldness)
4
potency(noun, health, force, body, power)
4
resistance(noun, firmness, protection, security)
3
boldness(noun, resolution, courage, pluck)
3
gameness(noun, determination, courage, boldness)
3
hardihood(noun, activity, go, drive, power)
3
intestinal fortitude(noun, expression, strength, determination)
3
muscle(noun, health, force, body, power)
2
doggedness(noun, determination, resolution, firmness)
2
puissance(noun, activity, go, force, body)
2
true grit(expression, pluck)
1
élan(power, strength, energy, vigor)
1
activity(noun, go, drive, power, strength)
1
animation(noun, power, strength, energy)
1
application(noun, activity, go, drive, power)
1
ardor(noun, power, strength, energy)
1
birr(noun, activity, go, drive, power)
1
bottle(noun, pluck)
1
dash(noun, power, strength, energy)
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APASmart Define. (2015). toughness thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/toughness/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughness thesaurus" https://smartdefine.org/toughness/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, toughness thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/toughness/thesaurus/synonyms>.
MLASmart Define. "toughness thesaurus" 21 December 2015. Web. 1 October 2026. <https://smartdefine.org/toughness/thesaurus/synonyms>