40 entries under vigorous topic. ×

13
courageous(adjective, noble, brave, daring)
12
bold(adjective, noble, brave, stout)
10
intrepid(adjective, noble, brave, stout)
9
fearless(adjective, noble, brave, stout)
9
tiger(noble, robust, courageous, well-built)
8
brave(adjective, noble, daring, stout)
8
daring(adjective, noble, stout, courageous)
7
audacious(adjective, noble, courageous, heroic)
7
valiant(adjective, noble, brave, stout)
6
gallant(adjective, noble, grand, daring)
6
manful(adjective, noble, robust, courageous)
6
stout-hearted(adjective, noble, robust, courageous)
5
undaunted(adjective, noble, brave, stout)
4
heroic(adjective, noble, brave, stout)
4
noble(grand, brave, daring, stout)
3
dauntless(adjective, noble, daring, stout)
3
valorous(adjective, noble, grand, stout)
2
gutty(noun, adjective, noble, grand)
2
hardy(noun, adjective, noble, courageous)
2
resolute(adjective, noble, courageous)
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APASmart Define. (2016). lion-hearted thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lion-hearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "lion-hearted thesaurus" https://smartdefine.org/lion-hearted/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, lion-hearted thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lion-hearted/thesaurus/synonyms>.
MLASmart Define. "lion-hearted thesaurus" 2 March 2016. Web. 29 September 2026. <https://smartdefine.org/lion-hearted/thesaurus/synonyms>