23
spirited(adjective, action, strong, tough, energetic)
21
brave(adjective, bright, energetic, passionate, lively)
19
courageous(adjective, bright, energetic, passionate, lively)
19
plucky(adjective, bright, energetic, passionate, lively)
16
spunky(adjective, bright, informal, energetic, passionate)
14
game(noun, adjective, bright, energetic, passionate)
13
high-spirited(adjective, action, energetic, feelings, lively)
13
vigorous(adjective, strong, energetic, powerful, lively)
12
active(adjective, strong, tough, energetic, powerful)
12
fearless(adjective, bright, energetic, passionate, determined)
11
audacious(adjective, bright, energetic, passionate, determined)
11
bold(adjective, bright, energetic, passionate, determined)
11
daring(adjective, courageous, fearless, plucky)
11
dauntless(adjective, bright, energetic, passionate, determined)
11
fiery(adjective, action, bright, energetic, passionate)
11
intrepid(adjective, bright, energetic, passionate, determined)
10
energetic(adjective, strong, tough, energetic, powerful)
10
gritty(adjective, bright, energetic, passionate, lively)
10
lively(adjective, strong, tough, energetic, powerful)
9
enthusiastic(adjective, energetic, lively, determined, vigorous)
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APASmart Define. (2016). mettlesome thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mettlesome/thesaurus/synonyms
ChicagoSmart Define. 2016. "mettlesome thesaurus" https://smartdefine.org/mettlesome/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, mettlesome thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mettlesome/thesaurus/synonyms>.
MLASmart Define. "mettlesome thesaurus" 2 March 2016. Web. 22 September 2026. <https://smartdefine.org/mettlesome/thesaurus/synonyms>