switch on

phrasal verb

switched on; switching on; switches on
: to turn on (something) by turning or pushing a button or moving a switch, lever, etc.
I switched on the TV.
She switched the light on.

Examples of switch on in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Call for assistance and switch on an inside light as an alert to rescuers or workers. Jim Gorzelany, Forbes.com, 23 Jan. 2026 Nuclear can't be switched on and off when it's needed, Faraco said. Tasmin Lockwood, CNBC, 22 Jan. 2026 So keep those camera batteries charged and aurora alerts switched on, we may not be done just yet. Daisy Dobrijevic, Space.com, 20 Jan. 2026 In this study, the team identified the transcription factor DEAF1, a gene which drives this dysregulation in aging muscles, switching on overactivity in the mTORC1 system and disrupting the protein exchange that functions normally in younger tissue. New Atlas, 17 Jan. 2026 See All Example Sentences for switch on

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“Switch on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/switch%20on. Accessed 30 Jan. 2026.

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