Synonyms of undauntable

1 Syllable

game, firm, strong, stout

2 Syllables

braver, gallant, doughty, nervy, bravest, stalwart, gutsy, chin-up, spunky, heroic, gritty, fearless, daring, dashing, defiant, braved, forward, hardy, reckless, dauntless, valiant, plucky

3 Syllables

imprudent, confident, undaunted, valorous, intrepid, lionhearted, stouthearted, unblenching, undismayed, foolhardy, courageous, unfearful, unafraid, militant, chivalrous, spirited, audacious

4 Syllables

unabashed, resolute, herolike, adventurous

5 Syllables

indomitable, venturesome