2
indomitable(strong, bold, resolute, persistent, spirited)
2
spirited(person, strong, tough, feelings, determined)
2
steadfast(adjective, persistent, obstinate, insistent, dogged)
2
stronghearted
2
tenacious(strong, bold, persistent, brave, obstinate)
1
Trojan(strong, tough, bold, resolute, spirited)
1
adventuresome(strong, tough, noble, bold, spirited)
1
anal-retentive(adjective, persistent, obstinate, insistent, dogged)
1
assured(strong, tough, bold, resolute, spirited)
1
athletic
1
bestow
1
bloody-minded(adjective, persistent, obstinate, insistent, dogged)
1
bold-spirited
1
cantankerous(adjective, persistent, obstinate, insistent, dogged)
1
chivalric
1
confirmed(adjective, persistent, obstinate, insistent, dogged)
1
contrary(adjective, persistent, obstinate, insistent, dogged)
1
contumacious(adjective, persistent, obstinate, insistent, dogged)
1
cool(strong, tough, bold, resolute, spirited)
1
cussed(adjective, persistent, obstinate, insistent, dogged)
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APASmart Define. (2016). stouthearted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stouthearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "stouthearted thesaurus" https://smartdefine.org/stouthearted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, stouthearted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stouthearted/thesaurus/synonyms>.
MLASmart Define. "stouthearted thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/stouthearted/thesaurus/synonyms>