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device - definition and synonyms


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noun [countable] device pronunciation in British English /dɪˈvaɪs/
Word Forms
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  1. 1
    a machine or piece of equipment that does a particular thing

    Secure your bike with this simple locking device.

    device for:

    a device for measuring humidity in the air

    labour-saving device (=a machine that reduces the work you have to do):

    labour-saving devices like the dishwasher and the microwave

  2. 3
    formal a way of making something happen or of making someone do something

    We needed a device to get him out of the house.



to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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