[ swich-on, -awn ]

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

Origin of switch-on

Noun use of verb phrase switch on

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for switch on

switch on

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

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

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

  2. (tr) slang to arouse emotionally or sexually

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

  4. (tr) slang 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

Other Idioms and Phrases with switch-on


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.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.