Definition of overbook
: to issue reservations for (as an airplane flight) in excess of the space available
: to issue reservations in excess of the space available
Examples of overbook in a sentence
The flight was overbooked, and I got bumped off.
The airline overbooked the flight.
The doctor's office called and said that they overbooked the appointments for today.
First Known Use of overbook
OVERBOOK Defined for English Language Learners
Definition of overbook for English Language Learners
: to allow too many people to buy tickets or to reserve seats, tables, rooms, etc.
Seen and Heard
What made you want to look up overbook? Please tell us where you read or heard it (including the quote, if possible).