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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Kardome’s Spatial Hearing AI technology is commercially deployed in LG’s flagship OLED TV series, and represents a significant leap in voice user interface performance. Scott Kramer, Forbes.com, 14 June 2026 But power and range skepticism never fit into the Rivian narrative—instead, my main critiques for the R1’s multiple iterations always focused on the steering, suspension, and frustrating user interface. ArsTechnica, 9 June 2026 Freshservice, for instance, offers a broader set of asset, change, and project management features, easier-to-reach support staff, and a more visually compelling user interface at a lower starting price. John Brandon, PC Magazine, 8 June 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 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 17 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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