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

To get this newsletter in your inbox, click here. —Assistant Sports Editor, Los Angeles Times, 9 June 2026

Get Inside Wealth directly to your inbox The Inside Wealth newsletter by Robert Frank is your weekly guide to high-net-worth investors and the industries that serve them. —Robert Frank, CNBC, 9 June 2026

Sign up to get crime news sent straight to your inbox each day. —Lauren Penington, Denver Post, 9 June 2026

This article is from Proof Positive, our friendly math newsletter that's delivered to your inbox every Tuesday afternoon. —Manon Bischoff, Scientific American, 9 June 2026

Have the latest Reality Checks delivered to your inbox with our free newsletter. —Kacen Bayless, Kansas City Star, 9 June 2026

Also,click here to subscribe to our newsletter, bringing our top stories of the week straight to your inbox. —Christina Cardona, USA Today, 9 June 2026

Get weekly deals, trends and product recommendations from USA TODAY Shopping delivered straight to your inbox. —Bailey Allen, The Providence Journal, 8 June 2026

To receive Morning Links in your inbox every weekday, sign up for our Breakfast with ARTnews newsletter. —Devorah Lauter, ARTnews.com, 8 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