na-adjective
selfish; egoistic; self-serving
Describes a person, action, or attitude that prioritizes one's own interests over others'. Often used in critical or analytical contexts.
彼の利己的な行動に周りは呆れている。
People around him are disgusted by his selfish behavior.
利己的な考え方を改めるべきだ。
You should change your self-centered way of thinking.
Often used for childish or petulant selfishness; less formal than 利己的.
Compound of 利己 (self-interest) and the adjectival suffix 的 (-like, -ish). The term 利己 is itself a Sino-Japanese word meaning 'benefiting oneself'.