- unflinching
- adjunshrinking, unfaltering, unshaken, unwavering, unflagging, unswerving, undeviating; firm, resolute, resolved, determined, staunch, steadfast, stalwart, Archaic. stalworth; grim, unrelenting, relentless, indefatigable, dogged, pertinacious, tenacious, constant, fixed; indomitable, redoubtable, invincible, unconquerable, unyielding, unbending, unbowing; brave, fearless, dauntless, dreadless, unafraid, unblenching, undaunted; mettlesome, Sl. gutsy, plucky, gritty.
A Note on the Style of the synonym finder. 2014.