Word
deploy
Phoneticsde·ploy, stress on the second syllable
US/dɪˈpɫɔɪ/
UK/dɪplˈɔɪ/
Definitions
01military/resources
B2 · Upper Intermediate
v. to move soldiers or equipment into a position where they are ready for action.
v. to position military forces or resources strategically for a specific mission or operation.
日本語:配備する※
“The government decided to deploy more police officers to the city centre during the festival.”
“The peacekeeping force was deployed to the border region to monitor the ceasefire and prevent further escalations of violence.”
Usage
Often used in the passive voice when referring to troops.
02computing
C1 · Advanced Computing Technical
v. to make a computer program or system ready for people to use.
v. to move a software application or update from a development environment to a live production environment.
日本語:稼働する※
“The team will deploy the new version of the app tonight while most users are asleep.”
“After rigorous beta testing, the engineers finally deployed the security patch across the entire corporate network to mitigate the vulnerability.”
Usage
Commonly used as a transitive verb with software or systems as the object.
Antonyms
03to open or unfold
B2 · Upper Intermediate
v. to open up or unfold so that something can work.
v. to move from a stowed or folded position into a functional, open state.
日本語:展開する※
“The car's airbags are designed to deploy instantly if there is a crash.”
“The satellite's solar panels failed to deploy correctly, leaving the craft with a critically low power supply shortly after it reached orbit.”
04deployment
C2 · Proficiency Uncountable noun Archaic
n. the act of moving things or people into position.
n. the action of bringing resources into effective action; a synonym for deployment.
“The general ordered a rapid deploy of the reserve units.”
“In historical military texts, one might find 'deploy' used as a noun to describe the tactical arrangement of a battalion.”
Teaching tip
This noun form is very rare in modern English; speakers almost always use 'deployment' instead.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “deploy” in context.
Verb
01. deploy a new system
“The IT department will deploy a new system across all branches next Monday.”
verb + adj + noun
02. deploy troops to the border
“The government decided to deploy troops to the border as a precautionary measure.”
verb + noun + prep + noun
03. ready to deploy
“The software update is fully tested and ready to deploy to the production server.”
adj + infinitive
04. strategically deploy resources
“The company needs to strategically deploy resources to capture the emerging market.”
adv + verb
Noun
05. decision to deploy
“The decision to deploy additional police officers helped stabilize the situation.”
noun + infinitive
06. failure to deploy
“The investigation focused on the failure to deploy the emergency airbags during the crash.”
noun + infinitive
Adverb
07. effectively deploy tactics
“The coach showed the team how to effectively deploy tactics against a stronger opponent.”
adv + verb
08. rapidly deploy the software
“Cloud computing allows developers to rapidly deploy the software to thousands of users.”
adv + verb
Real-World Examples
“The majority of his forces are deployed in more than 80 countries worldwide, Bradley said.” “The US has deployed artificial intelligence tools to catch transshipment efforts, it added.” “Violence is deployed as part of a broader campaign of ethnic cleansing.” “The UN has deployed teams and resources to support the response and meet the most urgent needs.” Etymology
Borrowed from French déployer (“to unroll, unfold”), from Old French desploiier, itself from des- + ploiier, or possibly from Late Latin displicāre (“to unfold, display”), from Latin dis- (“apart”) + plicare (“to fold”). Compare Middle English desployen, dysployen (“to unfold, display”). Doublet of display.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Frequent
- Level
- C1 · AdvancedOxford
- Updated
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QR code
englishreference.com/q/deploy
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0