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  • switch-on
    switch-on
    noun
    the act or process of switching on an ignition, light, appliance, etc.
  • switch on
    switch on
    verb
    to cause (a device) to operate by or as if by moving a switch, knob, or lever; turn on
Synonyms

switch-on

American  
[swich-on, -awn] / ˈswɪtʃˌɒn, -ˌɔn /

noun

  1. the act or process of switching on an ignition, light, appliance, etc.


switch on British  

verb

  1. to cause (a device) to operate by or as if by moving a switch, knob, or lever; turn on

  2. informal (tr) to produce (charm, tears, etc) suddenly or automatically

  3. informal (tr) (now slightly dated) to make up-to-date, esp regarding outlook, dress, etc

  4. slang (tr) to arouse emotionally or sexually

  5. slang (intr) to take or become intoxicated by drugs

  6. slang (tr) to introduce (someone) to drugs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

switch on Idioms  
  1. Produce as if operating by a control, as in She switched on the charm as soon as he walked in. [Mid-1900s] Also see switch off.


Etymology

Origin of switch-on

Noun use of verb phrase switch on

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Instead, organisers have been left scrambling to organise a muted switch-on, with Sunday's event cancelled following advice from its safety advisory group, amid nationwide security concerns in the wake of the Manchester synagogue attack.

From BBC • Oct. 12, 2025

Liverpool City Council leader Liam Robinson said the big switch-on was "an opportunity to show that hate will never win in our communities".

From BBC • Dec. 11, 2024

About 200 people are expected to attend a lights switch-on from 18:30 GMT in which the tree will glow with 1,000 lights.

From BBC • Dec. 7, 2024

The Bavarian-style market opened its doors to the public at noon on Saturday, hours before the city's Christmas light switch-on event.

From BBC • Nov. 16, 2024

The switch-on event is part of a programme of free entertainment which will start with a float parade.

From BBC • Aug. 14, 2023

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