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 deployable (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 Trump’s threat to deploy the military to subdue the protests. Michael Smolens Columnist, San Diego Union-Tribune, "Column: Trump’s support among military lags previous GOP presidential candidates," 9 Sep. 2020 This act empowers the American president as commander in chief to deploy military troops within the U.S. in particular circumstances. Frank V. Zerunyan, The Conversation, "Don’t want federal agents in your city or town? Then protect federal property," 5 Aug. 2020 Ultimately, Mexico agreed to deploy its national guard to detain migrants. Kevin Sieff, Washington Post, "Mexican president’s plan to meet Trump in Washington draws criticism at home," 25 June 2020 The remark came as Trump and Spicer discussed whether the president would seek to deploy the U.S. military to break up protests. Josh Wingrove,, "Trump Says New York Must Crack Down on Protesters or He Will," 7 June 2020 Their use varies by jurisdiction — police in Minneapolis deploy them, but those in New York City don't. USA TODAY, "Spit hoods scrutinized after death of Daniel Prude. Why are they used by police?," 6 Sep. 2020 Their use varies by jurisdiction — police in Minneapolis deploy them but those in New York City don’t. The Salt Lake Tribune, "How police departments from New York to Park City use spit hoods after Black man’s death," 4 Sep. 2020 Their use varies by jurisdiction — police in Minneapolis deploy them but those in New York City don't. Michael R. Sisak And Michael Balsamo, Star Tribune, "Police use of spit hoods scrutinized after Black man's death," 4 Sep. 2020 Portland police usually deploy at least 100 officers to guard the buildings and disperse the crowds. oregonlive, "Oregon political, police leaders feud over who will aid Portland as protesters dispute more cops the answer," 1 Sep. 2020

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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Time Traveler for deploy

Time Traveler

The first known use of deploy was in 1616

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Statistics for deploy

Last Updated

23 Sep 2020

Cite this Entry

“Deploy.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2020.

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More Definitions for deploy


How to pronounce deploy (audio)

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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