Definition of in someone's bad bookschiefly British, informal
- He remains in her bad books after that outburst.
: some person : somebody
: failing to reach an acceptable standard : poor
: not fresh : spoiled
: something that is bad
: an evil or unhappy state
: a set of written sheets of skin or paper or tablets of wood or ivory
: a set of written, printed, or blank sheets bound together between a front and back cover
: a long written or printed literary composition
: to register (something, such as a name) for some future activity or condition (as to engage transportation or reserve lodgings)
: to schedule engagements for
: to set aside time for
What made you want to look up in someone's bad books? Please tell us where you read or heard it (including the quote, if possible).