turn on (A1)

phrasal verb

Pronunciation: /tɜːrn ɒn/

Definition

To start the flow of electricity, gas, or water to operate a device or system; to activate something.

Examples

• Could you please turn on the lights? It's getting dark in here.

• She tried to turn on her laptop, but the battery was completely dead.

• Remember to turn on the alarm system before you leave the house.

How to Use turn on

turn on (device) (phrasal verb)

To activate an electronic or mechanical device. — "Don't forget to turn on your phone after the flight."

turn on (water/gas) (phrasal verb)

To start the flow of a liquid or gas. — "He turned on the faucet to fill the kettle."

turn on (someone) (phrasal verb)

To attack or become hostile towards someone. — "The conversation suddenly turned on him, and he felt accused."

turn on (topic/idea) (phrasal verb)

To depend or hinge on a particular point. — "The whole legal case will turn on the interpretation of that clause."

Synonyms of turn on

Words with a similar meaning to turn on:

• activate
• switch on
• power on
• start

Antonyms of turn on

Words with the opposite meaning to turn on:

• turn off
• switch off
• shut down

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