12
dauntlessness(noun, force, quality, power, character)
12
gameness(noun, force, quality, attack, power)
11
gallantry(noun, quality, power, strength, spirit)
10
intrepidity(noun, quality, power, strength, spirit)
10
audacity(noun, power, spirit, resolve, dash)
10
bottle(noun, spirit, resolve, determination, daring)
10
disposition(noun, nature, force, quality, kind)
10
gumption(noun, drive, spirit, courage, pluck)
9
ardour
9
fearlessness(noun, quality, power, strength, spirit)
9
hardihood(noun, attack, power, strength, spirit)
9
resolve(noun, force, quality, character, strength)
9
stamina(noun, strength, spirit, ability, determination)
8
energy(noun, force, quality, drive, character)
8
nobility(noun, honor, courage, courtesy, boldness)
8
resilience(noun, strength, courage, fortitude, stamina)
8
strength(noun, drive, character, ability, resolution)
8
temper(noun, nature, force, quality, kind)
8
temperament(noun, nature, force, quality, kind)
7
confidence(noun, spirit, belief, assurance, courage)
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APASmart Define. (2015). mettle thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mettle/thesaurus/synonyms
ChicagoSmart Define. 2015. "mettle thesaurus" https://smartdefine.org/mettle/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mettle thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mettle/thesaurus/synonyms>.
MLASmart Define. "mettle thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/mettle/thesaurus/synonyms>