deploy

verb

de·​ploy di-ˈplȯi How to pronounce deploy (audio)
deployed; deploying; deploys
Synonyms of deploynext

transitive verb

1
a
: to extend (a military unit) especially in width
b
: to place in battle formation or appropriate positions
deploying troops to the region
2
: to spread out, utilize, or arrange for a deliberate purpose
deploy a sales force
deploy a parachute

intransitive verb

: to move, spread out, or function while being deployed
The troops deployed along the front.
The parachute failed to deploy.
deployable adjective

Examples of deploy in a Sentence

The troops were deployed for battle. They plan to deploy more American soldiers over the next six months. Two scientists were deployed to study the problem. Both campaigns are deploying volunteers to the cities to encourage people to vote. Equipment and supplies have been deployed across the country. He deploys several arguments to prove his point. Wait several seconds before deploying the parachute. The boat's sails were not fully deployed. The parachute failed to deploy properly.
Recent Examples on the Web
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.
Knicks fans have grown accustomed to Hart doing the dirty work throughout the past four postseasons, but this is the first time first-year Knicks head coach Mike Brown has gotten to deploy the do-it-all guard’s versatility in the playoffs. Peter Sblendorio, New York Daily News, 20 Apr. 2026 Nearly seven months after federal troops were preparing to deploy to Chicago during Operation Midway Blitz, a federal judge on Monday granted a motion to dismiss the state’s lawsuit over the mobilization amid assurances that the presidential orders have been rescinded. Jason Meisner, Chicago Tribune, 20 Apr. 2026 The plane deployed rescuers, divers and boats. ABC News, 20 Apr. 2026 Officers deployed pepper spray and rubber bullets to repel the crowd; a smaller gathering of about 200 people assembled peacefully on Sunday before dispersing. Los Angeles Times, 20 Apr. 2026 See All Example Sentences for deploy

Word History

Etymology

borrowed from French déployer "to unfurl, spread out, display, arrange for a purpose," going back to Old French despleier, desploier "to unfurl, set out to view" — more at display entry 1

First Known Use

1616, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of deploy was in 1616

Browse Nearby Words

Cite this Entry

“Deploy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deploy. Accessed 21 Apr. 2026.

Kids Definition

deploy

verb
de·​ploy di-ˈplȯi How to pronounce deploy (audio)
: to move, spread out, or place in position for some purpose
troops deployed for battle
deploy police to prevent a riot
deployment noun

More from Merriam-Webster on deploy

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster