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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: IMcomputing the online facility that allows the instant exchange of written messages between two or more people using different computers or mobile phones

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“If you’re in a culture where instant messaging is a frequent way of doing things, you’d better have your laptop sitting next to you,” Smith says.

From MarketWatch Jun. 30, 2026

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

The concept was simple but well ahead of its time: bring chatbots to instant messaging platforms.

From Slate Aug. 12, 2025

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

We talk on the phone, and we do instant messaging.

From "Things Not Seen" by Andrew Clements

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