undauntable

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adjective

Definition of UNDAUNTABLE

feeling or displaying no fear by temperament <the undauntable adventurers who crossed the trackless wilderness in search of El Dorado>

Synonyms bold, courageous, dauntless, doughty, fearless, gallant, greathearted, gutsy, gutty, heroic (also heroical), intrepid, lionhearted, manful, stalwart, stout, stouthearted, undauntable, undaunted, valiant, valorous

Related Words determined, firm, game, gamy (or gamey), gritty, plucky, resolute, Spartan, undeterred, undismayed, unflinching, unswerving; mettlesome, spirited, spunky; adventuresome, adventurous, audacious, daring, dashing, hardy, venturesome, venturous; crazy, foolish, half-witted, insane, lunatic, mad, nutty; brash, brazen, daredevil, foolhardy, heedless, hotheaded, impetuous, imprudent, impulsive, incautious, madcap, overbold, overconfident, rash, reckless, thoughtless, wild; hasty, headlong, precipitate; comforted, emboldened, encouraged, heartened, reassured, unafraid

Near Antonyms diffident, mousy (or mousey), scary, shy, skittish, timid; anxious, apprehensive, nervous; careful, cautious, heedful, prudent, unadventurous; afraid, agitated, disconcerted, disquieted, disturbed, frightened, horrified, panicked, panic-stricken, perturbed, scared, shocked, spooked, startled, terrified, terrorized, unnerved, upset; appalled, concerned, dismayed, worried; unmanly, weak, wimpy

Antonyms chicken, chickenhearted, chicken-livered, coward, cowardly, craven, dastardly, fainthearted, fearful, gutless, lily-livered, milk-livered [archaic], nerveless, poltroon, poor-spirited, pusillanimous, spineless, spiritless, timorous, uncourageous, ungallant, unheroic, weakhearted, yellow