overbold

foolishly adventurous or bold one overbold tourist almost tumbled over the rocks and into the sea Synonyms audacious, brash, daredevil, madcap, foolhardy, overconfident, reckless, temerariousRelated Words 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; hotheaded; impetuous, imprudent, impulsive, incautious, rash; brainless, foolish, harebrained, scatterbrained; careless, heedless, thoughtless; hasty, headlong, precipitateNear Antonyms unadventurous, unambitious; 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, yellowAntonyms careful, cautious, circumspect, guarded, heedful, prudent, safe, wary