instant message
noun /ˌɪnstənt ˈmesɪdʒ/
/ˌɪnstənt ˈmesɪdʒ/
(also IM)
[countable, uncountable]- a written message sent using a system on the internet that allows people to communicate with each other very quickly
- to send an instant message
- Word spreads by email and instant message.