40 entries under tenacious topic. ×

44
courageous(adjective, strong, firm, energetic, passionate)
35
brave(adjective, strong, tough, firm, energetic)
34
bold(adjective, person, strong, tough, firm)
26
plucky(adjective, person, strong, tough, firm)
24
undaunted(adjective, strong, fear, noble, bold)
19
resolute(adjective, strong, tough, firm, energetic)
12
indomitable(adjective, strong, tough, determined, vigorous)
9
spunky(adjective, strong, informal, energetic, passionate)
9
staunch(adjective, determined, vigorous, noble, resolute)
8
steadfast(adjective, determined, noble, bold, resolute)
7
determined(adjective, firm, energetic, resolute, brave)
6
persistent(adjective, resolute)
6
tough(adjective, strong, determined, noble, bold)
5
stubborn(adjective, resolute)
5
strong(adjective, tough, determined, noble, bold)
5
tenacious(adjective, strong, tough, vigorous, bold)
4
devoted(adjective, resolute)
4
hearty(adjective, resolute)
4
indefatigable(adjective, resolute)
4
tireless(adjective, resolute)
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APASmart Define. (2016). dauntless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dauntless/thesaurus/synonyms
ChicagoSmart Define. 2016. "dauntless thesaurus" https://smartdefine.org/dauntless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, dauntless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dauntless/thesaurus/synonyms>.
MLASmart Define. "dauntless thesaurus" 23 March 2016. Web. 22 September 2026. <https://smartdefine.org/dauntless/thesaurus/synonyms>