de·​ploy | \ di-ˈplȯi How to pronounce deploy (audio) \
deployed; deploying; deploys

Definition of deploy

transitive verb

1a : 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

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Other Words from deploy

deployable \ di-​ˈplȯi-​ə-​bəl How to pronounce deploy (audio) \ 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.
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Recent Examples on the Web Later in the night, Price would deploy a spike strip on U.S. 82 in Hooks, Texas, which deflated one of Swenson's front tires. Lynn Larowe, Arkansas Online, 20 Sep. 2021 As a result, a Collins can deploy for 90 days at a time, although 70-day patrols are standard. David Axe, Forbes, 20 Sep. 2021 To listen for marine life, researchers often deploy underwater microphones called hydrophones on buoys and robotic gliders. Sam Jones, Scientific American, 9 Sep. 2021 Without approval from the Pentagon, the D.C. government can’t deploy its own National Guard for any task, as a state can. Washington Post, 5 Sep. 2021 The Taliban did deploy extra forces outside of the airport to prevent large crowds from gathering in the wake of Thursday’s bombing . Anchorage Daily News, 28 Aug. 2021 On defense, the Hornets will deploy a 3-4 front that will emphasize discipline. oregonlive, 26 Aug. 2021 To get the shade just right, the pros at Northwood deploy highlights and balayage, a technique that delivers the creamy vanilla hue akin to the '70s shade. Amelia Bell,, 25 Aug. 2021 The Army will deploy Dark Eagle in artillery batteries of eight missiles each. Kyle Mizokami, Popular Mechanics, 17 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deploy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deploy

1616, in the meaning defined at transitive sense 1a

History and Etymology for deploy

French déployer, literally, to unfold, from Old French desploier, from des- dis- + ploier, plier to fold — more at ply

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Last Updated

24 Sep 2021

Cite this Entry

“Deploy.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2021.

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More Definitions for deploy



English Language Learners Definition of deploy

: to organize and send out (people or things) to be used for a particular purpose
: to open up and spread out the parts of (something, such as a parachute)


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