hubristic

arrogant brash cocksure overconfident presumptuous self-confident

bumptious certain conceited confident egotistical hotshot know-it-all lordly nervy overweening positive smart-alecky smarty-pants sure swaggering swollen-headed vain

cautious humble meek self-doubting unsure

modest shy tentative timid uncertain

arrogant brash certain cocky conceited positive sure vain

diffident modest

brash careless cocky presumptuous pushy reckless

cocksure foolhardy heading for a fall heedless impudent overweening presuming rash self-assertive

careful cautious humble modest shy

pessimistic