instant messaging

noun

: a system for sending messages quickly over the Internet from one computer to another computer

Full Definition of INSTANT MESSAGING

: a means or system for transmitting electronic messages instantly

— instant message noun or verb

See instant messaging defined for English-language learners

1995

INSTANT MESSAGING Defined for Kids

noun instant mes·sag·ing \-ˈme-si-jiŋ\

: a system for sending messages quickly over the Internet from one computer to another

Next Word in the Dictionary: instant replayPrevious Word in the Dictionary: instantly All Words Near: instant messaging

What made you want to look up instant messaging? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears