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user

1 American  
[yoo-zer] / ˈju zər /

noun

  1. a person or thing that uses.

  2. a person who is addicted to or abuses a controlled substance or alcohol; one who uses illegal or addictive drugs, as in

  3. Digital Technology. a person who uses a computer, device, or application.

    This interface should be more intuitive for users.


user 2 American  
[oo-zer] / ˈu zər /

noun

Law.
  1. the exercise of a right to the enjoyment of property.


user British  
/ ˈjuːzə /

noun

  1. law

    1. the continued exercise, use, or enjoyment of a right, esp in property

    2. a presumptive right based on long-continued use

      right of user

  2. (often in combination) a person or thing that uses

    a road-user

  3. informal a drug addict

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What is a user? A user is someone or something that employs or puts someone or something into service, as in The instructions are written for users of the microwave. In technology, a user is the person who uses a particular piece of hardware (such as a computer) or software (such as a website or app), as in Users complain about frequent updates. User can also refer to someone who regularly takes illegal or addictive drugs. (The verb use can mean to regularly take such drugs, as in I stopped using five years ago.)Example: The user should be able to send and receive messages quickly.

Etymology

Origin of user1

First recorded in 1350–1400; Middle English usere; see use, -er 1

Origin of user2

Noun use of Anglo-French user to use

Explanation

A user is someone who employs or uses a particular thing, like a user of nicotine or a user of an internet site. Since you are reading this, you are a user of Vocabulary.com. Congrats! To use something is to employ it or operate it, so a user is someone who uses or takes advantage of something. If you have a computer and use it for anything, you're a computer user. If you play a video game, you're a video game user. As you can see, this word often applies to technology. That's why they call the first part of a login the username. The people who design technology always have to keep the users in mind; it's important to make tech gadgets that are user-friendly.

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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.

"Putting Conversation Focus behind a paywall feels wrong," said one user who wrote, external to Meta Ray-Ban product lead David Woodland.

From BBC • Jul. 2, 2026

Bersey upgraded shares of Adobe to buy from hold on Thursday and raised his price target to $308 from $282, saying that Adobe’s platform is “sticky” due to user familiarity with its workflow.

From MarketWatch • Jul. 2, 2026

Male and female U1s can speak through an artificial intelligence tool programmed by the company to offer soothing words if it detects fatigue or stress, and get to know its user over time.

From Barron's • Jul. 1, 2026

Sharing a chatbot creates security vulnerabilities and can flatten the user experience by muddling personalization features, OpenAI warns.

From The Wall Street Journal • Jun. 28, 2026

The only weakness I’ve ever found in Warcross’s security is a tiny glitch when a user is about to use an item.

From "Warcross" by Marie Lu

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