自己中心的（じこ ちゅうしんてき） is self-centered.

「自己中心的」（じこ ちゅうしんてき）is disapprovingly used for a person who tends to think only about themselves and does not think about the needs or feelings of other people.

Its slangy style 「自己中」（じこちゅう） is used in speech.