user interface

noun

plural user interfaces

: software that is designed to allow a computer user to interact with the operating system of a machine or system (such as by selecting presented options or entering text commands)

Likewise, the user interface is remarkably unintuitive, requiring a whirlwind of relentless mouse clicking to move, talk, touch, look, or manipulate onscreen objects.

—Scott A. May

… a new user interface he vows will change the way people use computers.

—InfoWorld

especially : graphical user interface

—abbreviation UI

Examples of user interface in a Sentence

Recent Examples on the Web

Thales report also highlighted that 27% of bot attacks now target APIs, where bots can bypass user interfaces and interact directly with backend systems at machine speed. —Prabhat Ranjan Mishra, Interesting Engineering, 10 May 2026

The user interface is equally refined and mirrors the machine itself—fluid, intuitive, and refreshingly free of the labyrinthine menus found in many rivals. —Robb Rice, Robb Report, 10 May 2026

And that creates a new user interface between the humans and the computers. —Fortune Editors, Fortune, 10 May 2026

There’s a better, easier user interface. —Jill Goldsmith, Deadline, 6 May 2026

Word History

First Known Use

1967, in the meaning defined above

Rhymes for user interface

• abase
• airspace
• apace
• backspace
• biface
• birthplace
• blackface
• boldface
• bookcase
• braincase
• briefcase
• carcase

Kids Definition

user interface

noun

: software that is designed to allow a computer user to interact with the operating system of a machine or system

especially : graphical user interface