English Reference
adjective · noun

back end

adj. · n.

  1. 01 B2 Upper Intermediate Technical Computing

    adj.describing the parts of a computer program or website that handle data and logic behind the scenes.

    adj.relating to the server-side or internal logic of a software application, typically involving databases and APIs that the end-user does not interact with directly.

    Simple

    The team is looking for a back-end developer to manage their database.

    In context

    The back-end architecture was redesigned to handle the sudden influx of traffic without compromising the integrity of the user data.

    Usage

    Usually hyphenated when used as an adjective before a noun.

    server sideinternal
  2. 02 B2 Upper Intermediate Technical Computing

    n.the part of a software system that users do not see or interact with.

    n.the portion of a system or application that is responsible for data storage, security, and processing logic.

    Simple

    We need to update the back-end to make the website load faster.

    In context

    While the interface looks modern, the back-end is built on legacy code that requires significant maintenance.

    Usage

    Often written as two words ('back end') when used as a noun, though the hyphenated form is common in technical documentation.

This entry
Level B2 · Upper Intermediate
Frequency Very common
Updated