instant messaging

American  

[in-stuhnt mes-ij-ing] / ˈɪn stənt ˈmɛs ɪdʒ ɪŋ /

noun

Digital Technology.

1. a system for exchanging typed electronic messages instantly via the internet or a cellular network, using a shared software application on a personal computer or mobile device. IM

---

instant messaging British  

noun

1. Abbreviation: IM.  computing the online facility that allows the instant exchange of written messages between two or more people using different computers or mobile phones

---

instant messaging Cultural  

1. A computer communications program that allows people to send and receive typed messages very rapidly. It is often used for online “chats.”

---

Etymology

Origin of instant messaging

First recorded in 1995–2000

Example Sentences

When downloaded, OpenClaw can be connected to existing AI models and given simple instructions through instant messaging apps, as if to a friend or colleague.

From Barron's • Mar. 30, 2026

Officials for the county, around 200 miles away from the capital Beijing, said an investigation was under way, in a post shared on China's instant messaging app, WeChat.

From BBC • May 21, 2025

Among other suggestions, prosecutors say, victims should be wary of people who try to move conversations to encrypted instant messaging apps such as Whatsapp, Signal and others.

From Los Angeles Times • Dec. 12, 2024

As an ’80s-born “child of AIM,” Martin said of AOL instant messaging, it hadn’t been hard for her to maintain co-worker friendships online.

From Seattle Times • Mar. 13, 2024

I’m about to click off when Fizz pops up on instant messaging with a ?.

From "Saints and Misfits" by S.K. Ali