Having made a reservation or appointment. The restaurant was fully booked for the evening, so we had to find another place to eat.
Occupied or reserved in advance. All the conference rooms are booked for the entire week.
Formally arrested or charged with a crime. The suspect is now booked and awaiting arraignment.
Shown a yellow card by the referee in football (soccer) for a foul or misconduct. The defender was already booked and risked being sent off if he committed another foul.
To arrange for someone to have a seat on a plane, a room in a hotel, etc. I need to book a flight to New York for next week.
To reserve accommodations, tickets, etc., in advance. She booked a table for two at the restaurant.
To engage a performer or performance for an event. The event organizer booked a famous band for the concert.
To record the name and details of a person or event in an official record. The police officer booked the suspect at the station.
(US informal) To move quickly; to run fast. We had to book to catch the last bus.