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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Along with data systems and back-end improvements, COO and Chief Strategy Officer Andy Gordon said the user interfaces, which have lagged behind others in the industry, will get a significant overhaul. Dade Hayes, Deadline, 7 Aug. 2025 As companies pour billions into AI development, many are discovering an uncomfortable truth: Poor user interface/user experience (UI/UX) design is becoming a primary bottleneck preventing AI being used daily by consumers. Adam Bowen, Forbes.com, 31 July 2025 While this version may be a few years old, the core apps work similarly to those in Microsoft Office 2024, with the key differences being AI integration, new collaboration tools, and a refreshed user interface. PC Magazine, 4 July 2025 Besides the prompt injection vulnerability, the technique exploited two other weaknesses, including improper validation and a misleading user interface. Dan Goodin, ArsTechnica, 30 July 2025 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 15 Aug. 2025.

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
Last Updated: - Updated example sentences
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