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inbox

American  
[in-boks] / ˈɪnˌbɒks /
Or in-box

noun

  • inboxes
    plural
  1. a boxlike tray, basket, or the like, as on a desk, for holding incoming mail, messages, or work.

  2. Computers. a folder for receiving and storing incoming emails or text messages.


inbox British  
/ ˈɪnˌbɒks /

noun

  1. (on a computer) a folder in a mailbox in which incoming messages are stored and displayed

  2. a US and Canadian name for in-tray

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of inbox

First recorded in 1955–60; in ( def. ) + box 1 ( def. )

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.

See Examples For:

Using ChatGPT or Claude today for tasks such as analyzing legal documents or going through your email inbox means sharing sensitive data with the company servers.

From Los Angeles Times Aug. 12, 2026

My inbox recently has been full of enthusiastic, and occasionally menacing, fans, wondering why I hadn’t tested Garmin, their favorite wrist-computer.

From The Wall Street Journal Aug. 9, 2026

Hey everyone, I’m Genna Contino and I’m officially taking the driver’s seat at Don’t Short Yourself as lead writer, where I’ll be delivering smart, actionable tips to your inbox.

From MarketWatch Aug. 4, 2026

Subscribe here to have it sent straight to your inbox.

From Salon Aug. 4, 2026

While they were figuring out how to respond, another email popped into their inbox.

From "The Parker Inheritance" by Varian Johnson

Before logging in, passengers also needed a password reset email, but many reported long delays before this appeared in inboxes.

From BBC Jul. 30, 2026

Email notifications for time slots in the second drop that begins Aug. 10 and lasts until Aug. 20 will hit inboxes between Aug. 6-7.

From Los Angeles Times Jul. 28, 2026

We’ll be back in your inboxes on Monday night.

From Barron's Jun. 18, 2026

The agents are capable of generating hundreds of reports a day, Pompliano added—but the company will start by circulating just a few daily to avoid flooding investors’ inboxes.

From The Wall Street Journal Apr. 7, 2026

In an era when inboxes are already flooded with AI-generated pitches, automated outreach risks becoming invisible — or worse, unwelcome.

From Los Angeles Times Feb. 13, 2026

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