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functional

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adjective British English pronunciation: functional /ˈfʌŋkʃ(ə)nəl/
  1. 1
    designed to be good at doing a particular job

    These traditional tools are both functional and attractive.

    highly functional:

    the highly functional arrangement of the control panel

  2. 2
    operating in the correct way
    fully functional:

    The new hospital isn't fully functional as yet but should be very soon.

  3. 3
    relating to the purpose or function of something

    structural and functional descriptions of language

    A purely functional view of an organization doesn't work any more.

  4. 4
    helping something to operate well or correctly

    The author sees sports events as functional to society.

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