140 entries under determined topic. ×

6
uncompromising(adjective, firm, harsh, cruel)
6
undeviating(adjective, strong, flat, harsh, certain)
6
unrelenting(adjective, mean, severe, harsh, cruel)
6
untiring(adjective, persevering)
5
adamant(adjective, strong, flat, firm, harsh)
5
decisive(adjective, serious, resolute, persistent)
5
definite(adjective, strong, flat, firm, certain)
5
gallant(adjective, ready, bold, wise)
5
immovable(adjective, fixed, resolute, persistent)
5
intent(adjective, strong, flat, certain)
5
intractable(adjective, cruel, fixed, resolute)
5
ruthless(adjective, mean, strong, severe, harsh)
5
strong-minded(adjective, resolution, fixed, serious)
5
unafraid(adjective, smart, ready, bold)
5
unchangeable(adjective, strong, flat, certain)
4
certain(adjective, limited, definite, inflexible)
4
grim(adjective, mean, severe, harsh, cruel)
4
rigid(adjective, harsh, cruel, fierce)
3
contumacious(adjective, fixed, persistent, obstinate)
3
dedicated(adjective, strong, firm, steady)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>