egomaniac
🇺🇸
/ˌiːɡəʊˈmeɪniæk/
🇬🇧
/ˌiːɡəʊˈmeɪniæk/
A person who has an excessive interest in or admiration of themselves.
He's such an egomaniac, always talking about his own achievements.
그는 진정한 이기주의자로, 항상 자신의 업적에 대해 이야기한다.