Prioritizing one's own interests or feelings while showing little consideration for others; selfish or self-centered (na-adjective).
彼は自己中心的な発言が多く、グループでの作業がやりづらい。
He often makes self-centered remarks, making group work difficult.
子どもは成長過程で自己中心的な時期を通ることが多い。
Children often go through a self-centered phase during development.
自己中心的だと指摘された彼女は、自分の行動を見直した。
After being told she was selfish, she reconsidered her behavior.
自己中心的ではなく相手の立場に立って考えることが大切だ。
It's important to think from the other person's perspective, not be self-centered.