2
continuing(adjective, strong, firm, determined, steady)
2
contrary(adjective, determined, fixed, persistent, obstinate)
2
dead set on(expression, adjective, idiom, strong, flat)
2
definitive(adjective, certain, resolution, limited, definite)
2
earnest(adjective, serious, resolute, persistent, unwavering)
2
fast(adjective, resolute, persistent, dedicated, unwavering)
2
gutsy
2
heady(determined, fixed, stubborn, dogmatic)
2
hearty(adjective, resolute)
2
hell-bent(adjective, persistent, obstinate, insistent, dogged)
2
inalterable(adjective, certain, limited, definite, inflexible)
2
industrious
2
manly
2
nerveless
2
nervy
2
patient(adjective, strong, firm, energetic, determined)
2
persisting
2
plodding(adjective, strong, firm, determined, steady)
2
plugging(adjective, strong, firm, determined, steady)
2
positive(adjective, certain, definite, resolved)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>