148 entries under persistent topic. ×

3
purposeful(adjective, strong, firm, serious, resolute)
3
refractory(adjective, determined, fixed, obstinate)
3
severe(adjective, mean, harsh, cruel)
3
solid(adjective, serious, resolute, unwavering)
3
stiff(adjective, harsh, cruel, determined, fierce)
3
strict(adjective, strong, flat, harsh, certain)
3
unappeasable(adjective, mean, severe, harsh, cruel)
2
bound(adjective, strong, flat, harsh, certain)
2
cantankerous(adjective, determined, fixed, obstinate)
2
committed(adjective, resolute, dedicated, unwavering)
2
contrary(adjective, determined, fixed, obstinate)
2
dead set on(expression, adjective, idiom, strong, flat)
2
earnest(adjective, serious, resolute, unwavering)
2
fast(adjective, resolute, dedicated, unwavering)
2
hell-bent(adjective, obstinate, insistent, dogged)
2
recalcitrant(adjective, determined, fixed, obstinate)
2
serious(adjective, strong, firm, determined, resolute)
2
unmanageable(adjective, determined, fixed, obstinate)
2
unremitting(adjective, strong, firm, energetic, determined)
1
abiding(adjective, strong, flat, certain, 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>