egotistical

bigheaded boastful bumptious cockiest cockiest cocky/cocksure cocky cockier cockier dogmatic egoistical egocentric egoistic egotistic egomaniacal haughty haughtiest high and mighty high-and-mighty individualistic misanthropic more cocksure more egoistic more egotistic most cocksure most egoistic most egotistic narcissistic overweening prideful prouder proudest proud self-absorbed self-centered self-important self-involved selfish self-righteous self-respecting self-seeking self-serving smug snooty snootiest swellheaded vainglorious