intrepid

feeling or displaying no fear by temperament an intrepid explorer who probed parts of the rain forest never previously attempted Synonyms bold, courageous, dauntless, doughty, fearless, gallant, greathearted, gutsy, gutty, heroic (also heroical), brave, lionhearted, manful, stalwart, stout, stouthearted, undauntable, undaunted, valiant, valorousRelated 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, unafraidNear 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, wimpyAntonyms 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