switch

1 of 2

noun

plural switches
1
: a slender flexible whip, rod, or twig
a riding switch
2
: an act of switching: such as
a
: a blow with a switch
b
: a shift from one to another
c
: a change from the usual
that outfit is a switch
3
: a tuft of long hairs at the end of the tail of an animal (such as a cow) see cow illustration
4
: a device made usually of two movable rails and necessary connections and designed to turn a locomotive or train from one track to another
5
a
: a device for making, breaking, or changing the connections in an electrical circuit
b
: a software icon that is used to select between one of usually two available states
Tap Edit and then toggle the switch next to each supported service to the appropriate setting.Jason Cipriani
Other features … include: … A software switch that lets you change the side button's function to be either volume mute or orientation lock.Matt Rosoff
6
: a heavy strand of hair used in addition to a person's own hair for some coiffures

switch

2 of 2

verb

switched; switching; switches

transitive verb

1
: to strike or beat with or as if with a switch
2
: whisk, lash
a cat switching its tail
3
a(1)
: to turn from one railroad track to another : shunt
(2)
: to move (cars) to different positions on the same track within terminal areas
b
: to make a shift in or exchange of
switch seats
4
a
: to shift to another electrical circuit by means of a switch
b(1)
: to operate an electrical switch so as to turn (a device) on or off
usually used with on or off
(2)
: to change to or from an active state
usually used with on or off
switched on the gene

intransitive verb

1
: to lash from side to side
2
: to make a shift or exchange
switchable adjective
switcher noun

Examples of switch in a Sentence

Noun She flicked a switch and turned the lamp on. He threw the switch to stop the machine. Verb I switched to a new doctor. He kept switching back and forth between topics. She switched back to her original insurance company. We switched over to a different telephone service. Why did you switch jobs?
Recent Examples on the Web
Noun
Davis scored just two points after the switch — one made basket in the final 22 minutes of action. Dan Woike, Los Angeles Times, 24 Apr. 2024 In describing the project Musk painted a picture of flipping a switch to turn millions of Teslas around the world into self-driving cars. Paolo Confino, Fortune, 24 Apr. 2024 See all Example Sentences for switch 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'switch.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

perhaps from Middle Dutch swijch twig

First Known Use

Noun

1597, in the meaning defined at sense 1

Verb

circa 1611, in the meaning defined at transitive sense 1

Time Traveler
The first known use of switch was in 1597

Dictionary Entries Near switch

Cite this Entry

“Switch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/switch. Accessed 4 May. 2024.

Kids Definition

switch

1 of 2 noun
1
: a slender flexible whip, rod, or twig
2
: an act or an instance of switching
3
: a bunch of long hairs at the end of the tail of an animal (as a cow)
4
: a device made usually of two movable rails and necessary connections and designed to turn a train or streetcar from one track to another
5
: a device for making, breaking, or changing the connections in an electrical circuit

switch

2 of 2 verb
1
: to strike or whip with or as if with a switch
2
: to lash from side to side
3
: to turn, shift, or change by or as if by operating a switch
switch off the light
switched to a different channel
4
: to change one for another : exchange
switch seats
switcher noun

More from Merriam-Webster on switch

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