47 entries under vigorous topic. ×

10
resolute(adjective, strong, tough, firm, energetic)
9
stouthearted(adjective, strong, tough, determined, fear)
8
lion-hearted(adjective, noble, daring, stout)
6
nervy(adjective, strong, tough, smart, energetic)
5
staunch(adjective, determined, steady, noble)
4
firm(adjective, strong, noble, bold)
4
noble(adjective, strong, polite, thoughtful)
3
tenacious(adjective, strong, tough, steady)
2
macho(adjective, noble, courageous)
2
manlike(noble, courageous)
2
red-blooded(adjective, strong, tough, noble)
2
self-reliant(certain, noble, courage, sure)
2
virile(adjective, noble, courageous)
1
beefcake(noble, courageous)
1
colt(noble, courageous)
1
dignified(adjective, strong, polite, noble)
1
forceful(adjective, energetic, determined, resolute)
1
he-man(noble, courageous)
1
jockstrap(noble, courageous)
1
masculine(adjective, noble, courageous)
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APASmart Define. (2016). fearless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fearless/thesaurus/synonyms
ChicagoSmart Define. 2016. "fearless thesaurus" https://smartdefine.org/fearless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, fearless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fearless/thesaurus/synonyms>.
MLASmart Define. "fearless thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/fearless/thesaurus/synonyms>