[ oh-ver-boo k ]
/ ˌoʊ vərˈbʊk /

verb (used with object)

to accept reservations for in excess of the number that can be accommodated: The airline routinely overbooks its flights so as to fill its planes even if there are last-minute cancellations.

verb (used without object)

to accept reservations in excess of the number that can be accommodated: If the hotel has overbooked, some of the conventioners won't have a place to stay.

Origin of overbook

1900–05; over- + book (v.)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for overbook

  • But sometimes delays are indeed attributable at least in part to airports and airlines that overbook flights.

    Airports From Hell|The Daily Beast|November 22, 2009|DAILY BEAST

British Dictionary definitions for overbook


/ (ˈəʊvəˌbuːk) /


(tr) to make more reservations than there are places, tickets, hotel rooms, etc, available
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012