Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary




Synonyms and Antonyms of fearless

  1. feeling or displaying no fear by temperament <skydiving is one sport that tends to attract fearless types> Synonyms bold, courageous, dauntless, doughty, brave, gallant, greathearted, gutsy, gutty, heroic (also heroical), intrepid, 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

Learn More about fearless

Seen and Heard

What made you want to look up fearless? Please tell us where you read or heard it (including the quote, if possible).


of a yellow-green or bluish-gray color

Get Word of the Day daily email!