English Reference
noun

deployment

n.
US /dɪˈpɫɔɪmənt/ UK /dɪplˈɔɪmənt/ de·ploy·ment UK spelling deployment's, deployment's

  1. 01 B2 Upper Intermediate

    moving soldiers or equipment to a specific place so they are ready for action.

    the strategic distribution of military personnel and equipment in preparation for combat or peacekeeping operations.

    Simple

    The government ordered the deployment of more troops to the border to help with the emergency.

    In context

    The rapid deployment of naval forces to the region served as a clear signal of the administration's commitment to maritime security.

    Usage

    Often used with 'of' followed by the group being moved.

  2. 02 C1 Advanced Technical Computing

    the process of making a new computer program or website ready for people to use.

    the technical process of installing, configuring, and enabling a software system or update on a server or production environment.

    Simple

    The new update is ready for deployment on our website tonight.

    In context

    Automated deployment pipelines have significantly reduced the time it takes for developers to push code changes to the live environment.

    Usage

    Commonly used in the context of 'deployment cycle' or 'deployment pipeline'.

    Teacher's tip

    In a professional tech environment, this refers specifically to the final stage of the development process.

  3. 03 C1 Advanced AcademicFormal

    using something like money, skills, or tools in an effective way.

    the act of putting something into effective use or action.

    Simple

    The successful project was due to the smart deployment of our limited budget.

    In context

    The effective deployment of capital remains the primary challenge for the new board of directors during this period of inflation.

    Usage

    Usually refers to abstract resources like 'capital', 'resources', or 'logic'.

    Teacher's tip

    This is a high-level synonym for 'use' or 'application' in business and academic writing.

Usage deployment at sea

The vessel has been on a record-breaking deployment for more than 200 days, after it was redirected to assist with the military operation in Iran.

The Guardian· 14 Aug 2026

That surpasses any previous deployment of a US aircraft carrier without a port stop.

Al Jazeera· 14 Aug 2026

From French déploiement. Also de- + ployment.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated