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door

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noun [countable] door pronunciation in American English /dɔr/ 
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singulardoor
pluraldoors
  1. 1
    a large flat object that you open when you want to enter or leave a building, room, or vehicle

    a little house with a red door

    The door creaked slowly open.

    There was a draft coming from under the door.

    open/close/shut the door:

    The police officer told him to open the car door.

    Shut the door – it's cold in here!

    knock on the door (=so that someone knows you are there):

    I knocked on the door and a voice answered "Come in".

    be at the door (=be outside the door to someone's house):

    There's someone at the door.

    answer/get the door (=go to your door to see who is there):

    Go and answer the door, will you?

    bang/slam the door (=close it noisily):

    He ran out, slamming the door behind him.

    door to/into:

    The door to the kitchen was open.

    back/front/side etc. door:

    Be sure to lock the back door when you leave.

    bedroom/shed/car etc. door:

    The bathroom door was shut.

    1. a.
      the space created when you open a door

      A strange figure suddenly came through the door.

      come in the door:

      I'd just come in the door when the phone rang.

      out the door:

      Anne got out the door as quickly as she could when she saw him there.

  2. 2
    an opportunity to do something, or a possibility that something will happen
    door to:

    For these young men, a sports career can be a door to fame and fortune.

    open doors (for someone) (=create opportunities):

    This new job has really opened a lot of doors for her.

    open the door to something (=make it possible):

    This decision could open the door to higher costs.

    close/shut the door on something (=make it impossible):

    The government is reluctant to shut the door on these proposals.

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