148 entries under persistent topic. ×

5
decisive(adjective, determined, serious, resolute)
5
dependable(adjective, resolute, dedicated, unwavering)
5
immovable(adjective, determined, fixed, resolute)
5
intent(adjective, strong, flat, certain, determined)
5
intractable(adjective, cruel, determined, fixed, resolute)
5
ruthless(adjective, mean, strong, severe, harsh)
5
stern(adjective, resolute, obstinate, insistent)
5
strong-minded(adjective, determined, resolution, fixed, serious)
5
strong-willed(adjective, strong, firm, resolution, serious)
5
unhesitating(adjective, resolution, serious, resolute)
4
grim(adjective, mean, severe, harsh, cruel)
4
rigid(adjective, harsh, cruel, determined, fierce)
3
contumacious(adjective, determined, fixed, obstinate)
3
dedicated(adjective, strong, firm, determined, steady)
3
enduring(adjective, strong, flat, certain, determined)
3
iron(adjective, resolution, obstinate, insistent)
3
merciless(adjective, mean, harsh, cruel, determined)
3
mortal(adjective, mean, severe, harsh, cruel)
3
obdurate(adjective, strong, flat, harsh, certain)
3
pertinacious(adjective, strong, firm, energetic, determined)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>