device Definition

a thing made or adapted for a particular purpose, especially a piece of mechanical or electronic equipment.

Using device: Examples

Take a moment to familiarize yourself with how "device" can be used in various situations through the following examples!

  • Example

    The device is used to measure radiation levels.

  • Example

    He has a device that can translate languages in real-time.

  • Example

    The new device is smaller and more efficient than the previous model.

  • Example

    The company's latest device is a smartwatch.

device Synonyms and Antonyms

Idioms Using device

  • allow someone to do what they want without offering help or guidance


    I usually leave my kids to their own devices when they're playing outside.

  • to an extreme degree; very much


    She was running so fast, it was like she had a device to beat the band.

  • a turn-up for the books

    an unexpected or surprising event


    Finding my lost wallet was a real turn-up for the books.

Phrases with device

  • a device used to listen to conversations without being detected


    The spy planted a listening device in the meeting room.

  • an instrument, apparatus, machine, implant, or other similar article intended for use in the diagnosis, treatment, or prevention of disease or other medical conditions


    The hospital purchased several new medical devices for the operating room.

  • a device used to track the location of a person or object


    The police attached a tracking device to the suspect's car.

Origins of device

from Latin 'divisus', meaning 'divided'


Summary: device in Brief

The term 'device' [dɪˈvaɪs] refers to a tool or piece of equipment designed for a specific purpose, often mechanical or electronic. Examples include a smartwatch, a listening device, and a medical device. The idiom 'leave someone to their own devices' means to allow someone to do what they want without offering help or guidance.

How do native speakers use this expression?