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
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These include an extensive redesign of the Google Gemini user interface, as well as Gemini Omni, a new creative video model that can combine images, audio, video and text as input. Will McCurdy, PC Magazine, 30 May 2026 Content-forward, but not overbearing Companies that make streaming dongles and smart TVs have long pushed the idea of content-forward user interfaces. Janko Roettgers, The Verge, 28 May 2026 The overhaul matters because Roku is the gateway to streaming video for more than 100 million households, so any tweak to the user interface could have a significant impact. Alex Weprin, HollywoodReporter, 27 May 2026 Footage released of attacks from the Ukrainian side confirms that the Hornet has an unusual user interface and seems able to lock on to targets from long range. David Hambling, Forbes.com, 22 May 2026 See All Example Sentences for user interface

Word History

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of user interface was in 1967

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Cite this Entry

“User interface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/user%20interface. Accessed 6 Jun. 2026.

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
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