1.
private life; personal life
The part of a person's life that is not related to their work or public activities. Often contrasted with one's professional or public life. Composed of 私 (private) + 生活 (life).
Usage
私生活 refers to the personal, non-public side of someone's life. It is frequently used in media contexts when discussing celebrities or public figures, and in workplace discussions about work-life balance.