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 it in your inbox, sign up for free here. —Allison Morrow, CNN Money, 22 Jan. 2026

Subscribe here to receive the newsletter in your inbox every Tuesday. —Marcus Jones, IndieWire, 21 Jan. 2026

Sign up to get crime news sent straight to your inbox each day. —Katie Langford, Denver Post, 21 Jan. 2026

To get this newsletter in your inbox, click here. —Assistant Sports Editor, Los Angeles Times, 21 Jan. 2026

Have the latest Reality Checks delivered to your inbox with our free newsletter. —Judy L. Thomas, Kansas City Star, 21 Jan. 2026

Get Morning Squawk directly in your inbox CNBC’s Morning Squawk recaps the biggest stories investors should know before the stock market opens, every weekday morning. —Alex Harring, CNBC, 21 Jan. 2026

To get it in your inbox, subscribe here. —Amy Feldman, Forbes.com, 21 Jan. 2026

Sign up to receive it in your inbox. —Erin Neil, New Yorker, 21 Jan. 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