inbox

noun

in·​box ˈin-ˌbäks 

variants or in-box

plural inboxes or in-boxes

1

: a box or tray (as on a desk) for holding incoming interoffice mail

2

: a computer folder devoted to incoming email

One of my favorite rituals soon became scanning our email inbox, looking for your photographs … and reading the letters you sent …

—Amy Virshup

Examples of inbox in a Sentence

Recent Examples on the Web

Gone are the title, the inbox, the calendar invites lining up the days. —Literary Hub, 27 May 2026

Subscribe here to receive future editions in your inbox. —Alex Harring, CNBC, 26 May 2026

Sign up to get it in your inbox. —Alan Ohnsman, Forbes.com, 26 May 2026

To receive Morning Links in your inbox every weekday, sign up for our Breakfast with ARTnews newsletter. —Devorah Lauter, ARTnews.com, 26 May 2026

To sign up to get this newsletter delivered every Monday to your inbox, click here. —Marisa Ingemi, Los Angeles Times, 26 May 2026

This article is from Proof Positive, our friendly math newsletter that's delivered to your inbox every Tuesday afternoon. —Manon Bischoff, Scientific American, 26 May 2026

Sign up to get crime news sent straight to your inbox each day. —Lauren Penington, Denver Post, 26 May 2026

Click here to have breaking news alerts sent directly to your inbox. —Robin Webb, Sun Sentinel, 25 May 2026

Word History

First Known Use

1958, in the meaning defined at sense 1

Kids Definition

in-box

noun

ˈin-ˌbäks 

: a receptacle for incoming letters between offices in an organization

also : a computer folder for incoming email