1 [intransitive and transitive]
to make arrangements to stay in a place, eat in a restaurant, go to a theatre etc at a particular time in the future [↪ reserve]:
Have you booked a holiday this year?
The flight was already fully booked (=no more seats were available).
To get tickets, you have to book in advance.
The show's booked solid (=all the tickets have been sold) until February.
to arrange for someone such as a singer to perform on a particular date:
The band was booked for a benefit show in Los Angeles.
if a hotel, restaurant etc is booked up, there are no more rooms, places, seats etc still available:
The courses quickly get booked up.
if someone is booked up, they are extremely busy and have arranged a lot of things they must do:
I'm all booked up this week - can we get together next Friday?
to arrange for someone to go to a hotel, fly on a plane etc:
I've booked you a flight on Saturday.
book somebody on/in etc
I'll book you in at the Hilton.
to put someone's name officially in police records, along with the charge made against them:
Smith was booked on suspicion of attempted murder.
6 [transitive] British EnglishDSF
when a referee in a sports game books a player who has broken the rules, he or she officially writes down the player's name in a book as a punishment
book inphrasal verb
DLT British English
to arrive at a hotel and say who you are etc [= check in]:
Several tourists were booking in.