Synonyms and Antonyms of overconfident
- the overconfident quarterback made some careless decisions that cost him the game
adventuresome, adventurous, bold, daring, venturesome, venturous
brave, courageous, dauntless, doughty, fearless, gallant, greathearted, gutsy, hardy, heroic (also heroical), intrepid, lionhearted, manful, stalwart, stout, stouthearted, undauntable, undaunted, valiant, valorous
impetuous, imprudent, impulsive, incautious, rash
brainless, foolish, harebrained, scatterbrained
fainthearted, fearful, mousy (or mousey), scary, shy, skittish, timid, timorous
calm, cool, levelheaded, sensible
alert, intelligent, quick-witted, sharp
chicken, chickenhearted, cowardly, craven, dastardly, lily-livered, pusillanimous, recreant, spineless, unheroic, yellow