- To overbook is to reserve seats or rooms for more people than there are seats or rooms available.
An example of overbook is to sell more tickets than there are seats on a flight.
overbook definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
transitive verb, intransitive verb
to issue more reservations for (an airline flight, hotel, etc.) than there are accommodations
overbook definition by American Heritage Dictionary
verb o·ver·booked, o·ver·book·ing, o·ver·books verb, transitive
To take reservations for (an airline flight, for example) beyond the capacity for accommodation.verb, intransitive
To take reservations beyond the capacity for accommodation: a restaurant that regularly overbooks for dinner.
- oˌver·bookˈing noun