overconfident Synonyms

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