user interface

American

noun

Digital Technology.

the interface features through which users interact with the hardware and software of computers and other electronic devices. UI

Etymology

Origin of user interface

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the custom build offers a better user interface that the sales team actually uses, he said.

From The Wall Street Journal • Mar. 4, 2026

The browser’s design language and user interface resembles Chrome.

From Barron's • Oct. 22, 2025

“Voice is a very natural user interface, as are hand gestures.”

From Los Angeles Times • Sep. 18, 2025

Those features will now go into Football Manager 26, including a new game engine with updated graphics and a new user interface.

From BBC • Aug. 29, 2025

This formalized map of article structure allows the user interface design to be uncoupled from the underlying database system, an important step toward interoperability.

From Library of Congress Workshop on Etexts by Library of Congress

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023