overconfident Synonyms

positive cocksure self-important self-confident self-assured self-assertive saucy reckless rash proud presumptuous presuming smug swaggering temerarious full of yourself over smart uppity overoptimistic hubristic pushy smarty pants vainglorious vain uppish heading for a fall pompous conceited cocky cheeky bumptious brazen brassy brash bold audacious assured confident contemptuous egotistical overweening overbearing insolent impudent impertinent heedless haughty forward foolhardy entitled