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

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. See More
Recent Examples on the Web During his campaign, Mr. Yoon promised to deploy another Thaad system in South Korea, risking retaliation from Beijing. New York Times, 10 May 2022 And there will be opportunities to debate whether coach Kliff Kingsbury will know how to deploy Brown in a high-flying offense that doesn’t crash halfway through the season. Greg Moore, The Arizona Republic, 29 Apr. 2022 One of the pilots was able to get into the other plane and land successfully, but the other was not and had to deploy a parachute. Lorraine Taylor, Fox News, 25 Apr. 2022 The report attributed the growth to fund managers’ increased appetite to deploy capital in Africa after sitting on ‘dry powder’ for more than one year. Tom Collins, Quartz, 25 Apr. 2022 Strong sales over the past year have provided the company with a large cash cushion that the new CFO will have to deploy, analysts said. Kristin Broughton, WSJ, 11 Apr. 2022 Fourteen firefighters were nearly overrun while battling the blaze and had to deploy a cocoon shelter, a last resort to protect themselves from the heat, according to an incident report from the Wildland Fire Lessons Learned Center. Hayley Smith, Los Angeles Times, 8 Apr. 2022 According to the founders, the tool — which comes as part of a larger movement to deploy AI to address mental health — could revolutionize how society cares for depression. Washington Post, 28 Apr. 2022 Once Luna-27 reached the moon’s surface, it was set to deploy ESA’s Prospect drill and a Russian instrument to search for water ice and other chemicals under the surface. Leonard David, Scientific American, 25 Apr. 2022 See More

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.

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

Learn More About deploy

Dictionary Entries Near deploy




See More Nearby Entries 

Statistics for deploy

Last Updated

15 May 2022

Cite this Entry

“Deploy.” Dictionary, Merriam-Webster, Accessed 22 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Name That Food

  • a-light
  • Name these cookies!
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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