egotistical

e-go-tis-ti-cal

adjective

Excessively conceited or self-absorbed; thinking only of oneself and one's own importance.

"His egotistical behaviour annoyed everyone present."

Thesaurus

Synonyms: swollen-headed, vain, conceited, egotistic, self-conceited, proud, swollen, narcissistic, egocentric, self-centered, self-loving, egoistic