From Longman Dictionary of Contemporary Englishoverbooko‧ver‧book /ˌəʊvəˈbʊk $ ˌoʊvər-/ verb [intransitive, transitive] BBTSELLto sell more tickets for a theatre, plane etc than there are seats available overbooked hotels→ See Verb tableFrom Longman Business Dictionaryoverbooko‧ver‧book /ˌəʊvəˈbʊkˌoʊvər-/ verb [intransitive, transitive]TRAVEL to sell more tickets for a plane, hotel etc than there are places availableThe airline offers cash as compensation for passengers when flights are overbooked. —overbooking noun [uncountable]the right to sue airlines for overbooking→ See Verb table
