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

Sign up for free to receive it directly in your inbox. —Kavitha Shastry, CNBC, 2 June 2026

Sign up here to get it in your inbox. —Kaylah Jackson, NBC news, 2 June 2026

Have the latest Reality Checks delivered to your inbox with our free newsletter. —Eric Adler, Kansas City Star, 2 June 2026

If this newsletter isn't already getting conveniently delivered to your inbox, click here to subscribe. —Jim Reineking, USA Today, 2 June 2026

Sign up to get our biotech newsletter in your inbox. —Elaine Chen, STAT, 2 June 2026

Subscribe to our new food newsletter, Stuffed, to get Denver food and drink news sent straight to your inbox. —Jonathan Shikes, Denver Post, 2 June 2026

Get exclusive awards season news, in-depth interviews and columnist Glenn Whipp’s must-read analysis straight to your inbox. —Glenn Whipp, Los Angeles Times, 1 June 2026

Sign up to receive it directly to your inbox. —Phil Hay, New York Times, 1 June 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