Definition of closed adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//kləʊzd//
    ; NAmE NAmE//kloʊzd//
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  1. 1  shut Keep the door closed.
  2. 2  [not before noun] shut, especially of a shop/store or public building that is not open for a period of time The museum is closed on Mondays. This road is closed to traffic.
  3. 3  not willing to accept outside influences or new ideas a closed society He has a closed mind.
  4. 4[usually before noun] limited to a particular group of people; not open to everyone a closed membership
  5. opposite open
    Which Word?close / shutYou can close and shut doors, windows, your eyes, mouth, etc. Shut can suggest more noise and is often found in phrases such as slammed shut, banged shut, snapped shut. Shut is also usually used for containers such as boxes, suitcases, etc. To talk about the time when shops, offices, etc. are not open, use close or shut:What time do the banks close/​shut? A strike has shut the factory. You can also use closed or shut (North American English usually closed):The store is closed/​shut today. Especially in North American English, shut can sound less polite. Closed is used in front of a noun, but shut is not:a closed window. We usually use closed about roads, airports, etc:The road is closed because of the snow. Close is also used in formal English to talk about ending a meeting or conversation.Extra examples Her eyes were half closed. Her mouth was tightly closed. Keep that door closed, will you? Make sure the lid is completely closed. She was squinting through almost closed eyes. The building is closed for repairs. The library will remain closed until next week. The sun streamed through the partially closed blinds. The valve can be adjusted from fully open to fully closed. Twenty miles of beaches were officially closed to the public.Idioms without the public being allowed to attend or know what is happening; in private The meeting was held behind closed doors.
    a closed book (to somebody)
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    a subject or person that you know nothing about Nuclear physics is a closed book to most of us.
See the Oxford Advanced American Dictionary entry: closed