full of oneself adjective1 •Egotistical, believing oneself to be superior to others; preoccupied with one's own work, interests, point of view, etc.I thought it not amiss to write him a line to let him know the regard you had for him, for as I know him to be vastly vain and full of himself I thought this might be a spur to his zeale. — 1897 formsmore full of oneself · most full of oneself
