140 entries under determined topic. ×

2
plodding(adjective, strong, firm, steady)
2
plugging(adjective, strong, firm, steady)
2
recalcitrant(adjective, fixed, persistent, obstinate)
2
serious(adjective, strong, firm, resolute)
2
unalterable(strong, certain, definite, fixed)
2
unfailing(adjective, set, strong, firm)
2
unmanageable(adjective, fixed, persistent, obstinate)
2
unmoved(adjective, fixed, stubborn)
2
unremitting(adjective, strong, firm, energetic)
2
unwearied(adjective, strong, firm, energetic)
1
abiding(adjective, strong, flat, certain)
1
bent(adjective, strong, flat, certain)
1
bound and determined(expression, adjective, idiom, harsh, cruel)
1
continued(adjective, strong, firm, steady)
1
convinced(adjective, fixed, stubborn, dogmatic)
1
ferocious(adjective, harsh, cruel, fierce)
1
fierce(adjective, mean, severe, harsh, cruel)
1
fireball(adjective, strong, firm, steady)
1
go-go(adjective, strong, firm, steady)
1
go for broke(expression, adjective, idiom, harsh, cruel)
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APASmart Define. (2015). unflinching thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms
ChicagoSmart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unflinching thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>.
MLASmart Define. "unflinching thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms>