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 to receive it in your inbox. —E. Tammy Kim, New Yorker, 10 Nov. 2025

The idea for the book arrived in Hanna’s inbox. —Angela Velasquez, Sourcing Journal, 10 Nov. 2025

Sign up for free to receive it directly in your inbox. —Jason Gewirtz, CNBC, 10 Nov. 2025

Have the latest Reality Checks delivered to your inbox with our free newsletter. —Kacen Bayless, Kansas City Star, 10 Nov. 2025

Sign up to receive it directly to your inbox. —Jacob Whitehead, New York Times, 10 Nov. 2025

Also, click here to subscribe to our newsletter bringing our top stories of the week straight to your inbox. —Ronnie Li, USA Today, 10 Nov. 2025

Sign up here to get stories like this sent to your inbox. —Philip Elliott, Time, 10 Nov. 2025

To get it in your inbox, sign up for free here. —Allison Morrow, CNN Money, 10 Nov. 2025

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