overconfident adj : marked by excessive confidence; "an arrogant and cocksure materialist"; "so overconfident and impudent as to speak to the queen"; "the less he knows the more positive he gets" [syn: cocksure, positive]

English

Adjective

1. too confident
2. presumptuous, cocksure, rude and disrespectful

arrogant, assured, audacious, brash, brazen, brazenfaced, cocksure, cocky, confident, convinced, decided, determined, foolhardy, hasty, heedless, hubristic, improvident, imprudent, impudent, incautious, indiscreet, injudicious, insolent, overbearing, overbold, overcareless, oversure, overweening, persuaded, poised, pompous, positive, presuming, proud, pushful, pushy, rash, reassured, secure, self-assertive, self-assured, self-confident, self-important, self-reliant, short-sighted, sure, swaggering, temerarious, thoughtless, unafraid, unchary, undoubting, unfaltering, unhesitating, unwary, unwavering, uppity, vainglorious