interested mainly in oneself

thinking very highly of oneself

full of, showing (too much) self-importance

arrogant, egotistic

claiming (without justification) great ability, qualities or importance

snobbish, conceited

too pleased with oneself and one's abilities and without kindness for others etc

pleased with oneself

snobbish and ignoring people

arrogant, stuck-up

without use, value, meaning or result; having too high an opinion of one's looks, abilities etc

egotistical