不在

1. Origins, structure, and basic meaning

• Structure: 不在 is read as ふざい and means the absence of a person from the place where they would normally be.
• Basic usage: It can describe a person in charge being away or form part of the term for a missed-delivery notice.

2. Common pitfalls and similar expressions

• Being away
  • 午後まで不在です states that the person in charge will be absent until the afternoon. Example: 担当者は午後まで不在です。
• In a compound noun
  • 不在票 is the notice left when a delivery recipient is not home. Example: 留守中に届いた荷物は不在票で確認した。