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

We’ve married the user interface with AI, and AI is working hand-in-glove with the user interface.

From Barron's • Feb. 22, 2026

And the user interface - the system you click through to sign players, read news and get to the football - has been remade.

From BBC • Nov. 1, 2025

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

From Los Angeles Times • Sep. 18, 2025

This allows for the actual server to be moved around the net while the user interface to that machine remains constant.

From Hitchhiker's Guide to the Internet by Krol, Ed

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