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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:

Since June, Stahl’s email inbox and LinkedIn messages have been filling up with unsolicited job opportunities.

From MarketWatch Sep. 5, 2026

We’re taking Labor Day off, so I’ll be back in your inbox on Tuesday.

From Slate Sep. 4, 2026

"It's about trying to build momentum, because I think sometimes it can just feel overwhelming when you've got a massive inbox," she says.

From BBC Aug. 31, 2026

You can sign up to have it waiting in your inbox.

From MarketWatch Aug. 21, 2026

I started checking my inbox constantly for an email to come in.

From "From the Desk of Zoe Washington" by Janae Marks

The admin emails to which Microsoft sent those notifications tend to get slammed with junk from spammers, leading software developers to recommend ignoring those inboxes altogether.

From Slate Aug. 18, 2026

Altadena residents have flooded the inboxes and voicemails of state and local lawmakers, hoping the bill passes its first hurdle Wednesday when it’s up for a vote by two committees.

From Los Angeles Times Jul. 1, 2026

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

From Barron's Jun. 18, 2026

Authorities can then trawl through phones and inboxes for correspondence or anything else.

From The Wall Street Journal Mar. 26, 2026

Not long after these exchanges with reporters, a statement appeared in our inboxes from the government.

From BBC Mar. 18, 2026

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