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Definition of instant messenger noun from the Oxford Advanced Learner's Dictionary

instant messenger

noun
 
/ˌɪnstənt ˈmesɪndʒə(r)/
 
/ˌɪnstənt ˈmesɪndʒər/
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  1. a computer program that allows one or more users to chat online using written messages that are sent and received quickly
    • When I’m away from home, I chat to my friends and family using an instant messenger.
trait
noun
 
 
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B2
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