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

Keep scrolling for more

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.
See More
Recent Examples on the Web In Tehran, Iran’s security forces deployed in large numbers on Sunday. Washington Post, "US points to dissent in Iran in wake of deadly drone strike," 13 Jan. 2020 His company is composed of Israeli Air Force veterans who helped pioneer the cyber defense systems still deployed in their fighter jets and missile defense systems. Dallas News, "Hackers on the other side of the world can take control of your vehicle," 11 Jan. 2020 His remark outraged many, including Democratic Sen. Tammy Duckworth, who lost her legs while deployed in the Middle East. Madison Dibble, Washington Examiner, "‘I do not believe Democrats are in love with terrorists’: Doug Collins backtracks," 10 Jan. 2020 Matt Golsteyn returned to the United States without having been charged after he was accused of killing an Afghan man while deployed in southern Afghanistan in 2010. NBC News, "Army won't reinstate elite status of soldier given clemency by Trump," 10 Jan. 2020 Only some 7,000 additional paramilitary personnel out of the 100,000 deployed in the region since early August have been withdrawn. Riyaz Wani, Quartz India, "With an eerie calm, Kashmir watches the “Kashmirisation” of India," 9 Jan. 2020 His broad skill set will be well-deployed in his new role. Billboard Staff, Billboard, "Concord Promotes Jim Selby to Chief Operating Officer," 9 Jan. 2020 His company is composed of Israeli Air Force veterans who helped pioneer the cyber defense systems still deployed in their fighter jets and missile defense systems. Phoebe Wall Howard, Detroit Free Press, "Hackers on the other side of the world can take control of your vehicle," 8 Jan. 2020 But, importantly, there were no negative consequences to using the vaccine, a fact that would later give comfort to people who were struggling with whether to deploy rVSV-ZEBOV in a much larger emergency. Helen Branswell, STAT, "‘Against all odds’: The inside story of how scientists across three continents produced an Ebola vaccine," 7 Jan. 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.

See More

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

Keep scrolling for more

Learn More about deploy

Time Traveler for deploy

Time Traveler

The first known use of deploy was in 1616

See more words from the same year

Statistics for deploy

Last Updated

17 Jan 2020

Cite this Entry

“Deploy.” The Dictionary, Merriam-Webster Inc., Accessed 26 January 2020.

Keep scrolling for more

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)

Keep scrolling for more

More from Merriam-Webster on deploy

Thesaurus: All synonyms and antonyms for deploy

Rhyming Dictionary: Words that rhyme with deploy

Spanish Central: Translation of deploy

Nglish: Translation of deploy for Spanish Speakers

Britannica English: Translation of deploy for Arabic Speakers

Comments on deploy

What made you want to look up deploy? Please tell us where you read or heard it (including the quote, if possible).


to express in a more acceptable way

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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