2
spartan(strong, tough, noble, bold, resolute)
2
steady(adjective, resolute)
2
thorough(adjective, resolute)
2
undauntable
2
unfaltering(adjective, determined, bold, resolute, unconcerned)
2
unfearful(strong, bold, resolute, spirited, brave)
2
unfrightened(bold, confident, fearless)
2
unscared(bold, confident, fearless)
2
unshakable(adjective, determined, bold, resolute, confident)
2
unshakeable(adjective, resolute)
2
unshrinking(adjective, bold, courage, unconcerned, brave)
2
unstoppable
2
unswerving
2
unyielding(adjective, resolute)
2
venturous(adjective, strong, tough, noble, bold)
2
vigorous(adjective, strong, firm, energetic, determined)
2
virile(adjective, vigorous, noble, courageous)
2
zealous(adjective, bright, energetic, passionate, determined)
1
bullheaded(adjective, resolute, tenacious)
1
headstrong(adjective, resolute, tenacious)
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APASmart Define. (2016). dauntless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dauntless/thesaurus/synonyms
ChicagoSmart Define. 2016. "dauntless thesaurus" https://smartdefine.org/dauntless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, dauntless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dauntless/thesaurus/synonyms>.
MLASmart Define. "dauntless thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/dauntless/thesaurus/synonyms>