Definition of IM in English:

IM

Line breaks: IM

noun

(plural IMs)
An instant message.

verb

[with object] (IMs, IMing, IMd) informal Back to top  
Send (someone) an instant message: she IMd me the other day saying she was visiting her boyfriend

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Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…