Translation

上司 / ボス / 部長

Meaning

A person who is in charge of others — your manager or employer. 'Boss' is informal in English. In formal or professional writing, use 'manager', 'supervisor', or the person's actual title ('director', 'department head').

Examples

• 上司に昇給をお願いしました。
  I asked my boss for a raise.
• 彼女は厳しいけれど公平な上司です。
  She is a strict but fair boss.