Synonyms|476Antonyms|57|Broader|2Narrower|0Related|256

291 entries under adjective topic. ×

4
certain(determined, limited, definite, inflexible)
4
grim(mean, severe, harsh, cruel)
4
rigid(harsh, cruel, determined, fierce)
3
confirmed(certain, limited, definite, inflexible)
3
contumacious(determined, fixed, persistent, obstinate)
3
dedicated(strong, firm, determined, steady)
3
devoted(strong, firm, determined, steady)
3
enduring(strong, flat, certain, determined)
3
gritty(determined, steady, resolution, bold)
3
headstrong(determined, fixed, resolute, stubborn)
3
insistent
3
inveterate(certain, limited, definite, inflexible)
3
iron(resolution, persistent, obstinate, insistent)
3
merciless(mean, harsh, cruel, determined)
3
mortal(mean, severe, harsh, cruel)
3
obdurate(strong, flat, harsh, certain)
3
pertinacious(strong, firm, energetic, determined)
3
purposeful(strong, firm, serious, resolute)
3
refractory(determined, fixed, persistent, obstinate)
3
severe(mean, harsh, cruel, persistent)
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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>