291 entries under adjective topic. ×

6
untiring(determined, persevering)
5
adamant(strong, flat, firm, harsh)
5
audacious
5
decisive(determined, serious, resolute, persistent)
5
definite(strong, flat, firm, certain)
5
dependable(resolute, persistent, dedicated, unwavering)
5
diligent
5
gallant(ready, determined, bold, wise)
5
immovable(determined, fixed, resolute, persistent)
5
intent(strong, flat, certain, determined)
5
intractable(cruel, determined, fixed, resolute)
5
ruthless(mean, strong, severe, harsh)
5
stern(resolute, persistent, obstinate, insistent)
5
strong-minded(determined, resolution, fixed, serious)
5
strong-willed(strong, firm, resolution, serious)
5
tough(resolute, purpose)
5
unabashed
5
unafraid(smart, ready, determined, bold)
5
unchangeable(strong, flat, certain, determined)
5
unhesitating(resolution, serious, resolute, persistent)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>