WordReference Random House Learner's Dictionary of American English © 2025
un•flinch•ing /ʌnˈflɪntʃɪŋ/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- firm;
courageous:an unflinching refusal to surrender.
un•flinch•ing
(un flin′ching),USA pronunciation adj.
un•flinch′ing•ly, adv.
- not flinching;
unshrinking:unflinching courage.
- un-1 + flinch1 + -ing2 1720–30
- steady, constant, steadfast, unfaltering.