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

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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

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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.”

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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

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

They say the defendants would work in teams to pull Chinese investors into chat groups on QQ - a popular Chinese instant messaging service similar to WhatsApp.

From BBC • Aug. 22, 2024

Many now use social media and instant messaging platforms such as WhatsApp and Facebook to connect with customers.

From Seattle Times • May 25, 2024

I’d been at my desk, eavesdropping on my old friends’ moronic instant messaging session, but I got to my feet pretty quick.

From "Anthem of a Reluctant Prophet" by Joanne Proulx