[ swich-on, -awn ]
/ ˈswɪtʃˌɒn, -ˌɔn /
Save This Word!

the act or process of switching on an ignition, light, appliance, etc.
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of switch-on

Noun use of verb phrase switch on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for switch-on

switch on

verb (adverb)
to cause (a device) to operate by or as if by moving a switch, knob, or lever; turn on
(tr) informal to produce (charm, tears, etc) suddenly or automatically
(tr) informal (now slightly dated) to make up-to-date, esp regarding outlook, dress, etc
(tr) slang to arouse emotionally or sexually
(intr) slang to take or become intoxicated by drugs
(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

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.