black book

• Eine Liste oder ein Verzeichnis von Personen, die missbilligt, als unzuverlässig eingestuft oder für Strafe oder Ausschluss vorgemerkt sind; bezeichnet auch ein persönliches Notizbuch oder ein vertrauliches Register.

A book or list containing names of people who are disapproved of, considered unreliable, or marked for punishment or exclusion; also can refer to a personal address book or a confidential record.

1. List of people in disfavorB2informal

   A metaphorical list of people who are out of favor or have done something wrong.

   Schwarze Liste

   • He's in my black book after that rude comment.
   • The manager keeps a black book of employees who break the rules.
   • She ended up in the boss's black book for missing the deadline.

2. Secret or confidential recordB2informal

   A notebook or record containing private or sensitive information.

   Schwarzbuch

   • The detective kept a black book of all his contacts.
   • She wrote down the secret codes in her black book.
   • He consulted his black book for the client's private details.