# deploy

> English word · Verb · IPA /dɪˈplɔɪ/ · frequency rank #11,198

## Definitions
1. To prepare and arrange (originally military unit or units, i.e., to array troops) for use.
2. To unfold, open, or otherwise become ready for use.
3. To install, test and implement a computer system or application.

## 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.

## Easily confused with
- **depot** (https://plainspell.com/en/vs/deploy-vs-depot)
- **deputy** (https://plainspell.com/en/vs/deploy-vs-deputy)
- **delay** (https://plainspell.com/en/vs/delay-vs-deploy)
- **decoy** (https://plainspell.com/en/vs/decoy-vs-deploy)
- **deeply** (https://plainspell.com/en/vs/deeply-vs-deploy)

## Common misspellings (9)
`ddeploy`, `delpoy`, `deplloy`, `deployy`, `deplyo`, `depoly`, `depploy`, `dpeloy`, `edploy`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/deploy