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book - definition and synonyms


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noun book pronunciation in British English /bʊk/
Word Forms
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  1. 1
    [countable] a written work that is published, either as printed pages inside a cover or electronically

    a book by Nelson Mandela, entitled Long Walk to Freedom

    book about/on:

    I’m reading a book about American history.

    As well as being produced annually in hardback, the book is also published electronically.

    It’s so convenient to find a book online and download it.

    1. a.
      a set of printed pages fastened together inside a cover

      Please open your books at page 25.

    2. b.
      one of the sections of a long book such as the Bible

      the Book of Job

  2. 2
    [countable] something that you write in, consisting of pages fastened together inside a cover

    Visitors to the building must sign the book.

    address/exercise book:

    I wrote his phone number in my address book.

  3. 3
    [countable] a set of small objects, such as stamps, tickets, or matches, fastened together inside a paper cover

    You can buy stamps in books of ten.

  4. 4


    [plural] business records of the money that an organization or business has earned and spent
    do the books (=record the necessary information in them):

    Alfred’s job was to do the books at the end of each month.

    1. a.
      records of customers that use a company’s services
      on someone’s books:

      a theatrical agency with dozens of top actors on its books

  5. From our crowdsourced Open Dictionary
    one for the books something that is very remarkable, unusual or unexpected

    As weddings go, theirs was one for the books.

    Submitted by Boris Marchenko from Russian Federation on 04/05/2014


a title used before a man or woman's name as a gender-neutral alternative to Mr, Ms, etc

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Open Dictionary


another way of saying congratulations, or that something/someone looks nice or fascinating

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