PRESUMPTUOUS

adj. arrogant, proud, prideful, audacious, bold, brazen, saucy, impudent, impertinent, insolent, temerarious, brash, overconfident, overweening, forward, presuming, immodest, egotistical, Colloq pushy, cheeky, too big for one's boots, Brit uppish He is presumptuous enough to think he can do no wrong