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.

Tesla is currently releasing 14.3.2, which includes some user interface enhancements.

From Barron's • May 3, 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

It got prettier, too, when Claude Code built a cleaner user interface for…Claude Code.

From The Wall Street Journal • Jan. 23, 2026

As someone who's been playing since 2004, it's clear to me the user interface needs many more months of work.

From BBC • Nov. 1, 2025

The last two questions are particularly important because many systems provide no user interface at all; when you connect, you are dumped right into the Unix operating system.

From Big Dummy's Guide to the Internet by Electronic Frontier Foundation

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