IM

1 of 3

verb

ˈī-ˈem 

IM'd; IM'ing

transitive verb

: to send an instant message to

intransitive verb

: to communicate by instant message

IM

2 of 3

abbreviation

1

individual medley

2

infectious mononucleosis

3

instant message

4

intramural

im-

3 of 3

prefix

see in-

Word History

First Known Use

Verb

1994, in the meaning defined at transitive sense

Kids Definition

IM

1 of 2 verb

ˈī-ˈem

IM'd; IM'ing

1

: to send an instant message to

IM'd my friends

2

: to communicate by instant message

were IM'ing during lunch

im-

2 of 2

see in-

Medical Definition

IM

abbreviation

1

infectious mononucleosis

2

internal medicine

3

intramuscular; intramuscularly