egotistic
Definitions
Excessively absorbed in oneself; self-centered.
Characterized by an inflated sense of self-importance or conceit.
Examples
His egotistic behavior made it difficult for him to maintain long-term friendships.
It was an egotistic move to interrupt the speaker just to talk about his own accomplishments.
She grew tired of his egotistic attitude and constant need for validation.
Synonyms
arrogant conceited narcissistic self-centered vain boastful egocentric