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an open book

Definition of an open book

  1. :  a person or thing that is easy to learn about and understand <My life is an open book. I have nothing to hide.>



Word by Word Definitions

openplay
  1. :  having no enclosing or confining barrier :  accessible on all or nearly all sides

    :  being in a position or adjustment to permit passage :  not shut or locked

    :  having a barrier (as a door) so adjusted as to allow passage

  1. :  to move (as a door) from a closed position

    :  to make available for entry or passage by turning back (as a barrier) or removing (as a cover or an obstruction)

    :  to make available for or active in a regular function

  1. :  opening

    :  open and unobstructed space: as

    :  open air

bookplay
  1. :  a set of written sheets of skin or paper or tablets of wood or ivory

    :  a set of written, printed, or blank sheets bound together into a volume

    :  a long written or printed literary composition

  1. :  derived from books and not from practical experience

    :  shown by books of account

  1. :  to register (as a name) for some future activity or condition (as to engage transportation or reserve lodgings)

    :  to schedule engagements for

    :  to set aside time for


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