American English

Definition of window noun from the Oxford Advanced American Dictionary



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  1. 1[countable] an opening in the wall or roof of a building, car, etc., usually covered with glass, that allows light and air to come in and people to see out; the glass in a window She looked out the window. to open/close the window the bedroom/car/kitchen, etc. window a broken window see also bay window, picture window, rose window, sash window
  2. 2[countable] = store window I saw the dress I wanted in the window. a window display
  3. 3[countable] an area within a frame on a computer screen, in which a particular program is operating or in which information of a particular type is shown to create/open a window
  4. 4[countable] a small area of something that you can see through, for example to talk to someone or to read something There was a long line of people at the box-office window. The address must be clearly visible through the window of the envelope.
  5. 5[singular] window on/into something a way of seeing and learning about something Television is a sort of window on the world. It gave me an intriguing window into the way people live.
  6. 6[countable] a time when there is an opportunity to do something, although it may not last long We now have a small window of opportunity in which to make our views known.
  7. Idioms
    fly/go (right) out the window (informal)
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    to stop existing; to disappear completely As soon as the kids arrived, peace went out the window.
    throw/toss something out the window (informal)
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    to stop caring about or considering something I think he's thrown hope out the window. I suggested some changes, but she just tossed them out the window.
See the Oxford Advanced Learner's Dictionary entry: window