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book - definition and synonyms


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verb book pronunciation in American English /bʊk/
Word Forms
present tense
present participlebooking
past tensebooked
past participlebooked
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  1. 1
    [intransitive/transitive] to buy tickets for an event or trip before you go, or to arrange to stay in a hotel at a particular time in the future
    book a flight/tour/trip:

    Our flight was booked six months ago.

    book in advance:

    The tours are very popular, so it’s best to book in advance.

    fully booked:

    I’m sorry sir, that flight is fully booked already.

    Synonyms and related words
    1. a.
      [transitive] to arrange for someone to perform or speak at a public event

      Her job is to book bands for the festival.

      book someone to do something:

      Several leading businessmen were booked to speak at the conference.

  2. 2
    [transitive] if the police book someone, they take them to the police station and make a record of their crime
    book someone for something:

    They booked him for assault.

    1. a.
  3. 3
    [intransitive] American spoken to run or move quickly
    book along/down/through:

    I looked out and saw this guy booking down the street.

    Synonyms and related words
    Synonyms and related words


to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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