egotistic
e-go-tis-tic
adjective
Excessively self-centred or conceited, showing an inflated sense of self-importance.
"His egotistic behaviour annoyed everyone at the party."
Thesaurus
Synonyms: swollen-headed, vain, conceited, self-conceited, proud, egotistical, swollen, narcissistic, egocentric, self-centered, self-loving, egoistic