IM

adjective2

1. •
   Initialism of intramuscular.
2. •
   Initialism of intramedullary.

noun10

1. •
   (Internet) Initialism of instant message.

   • Have them meet you on your favorite messenger program. IMs provide a means of instant chat without waiting on someone to respond back to you. — 2010
2. •
   (Internet) Initialism of instant messaging.
3. •
   Initialism of individual medley.
4. •
   Initialism of International Master.
5. •
   Initialism of information management.
6. •
   Initialism of inner marker.
7. •
   Initialism of information memorandum.
8. •
   Initialism of innovation management.
9. •
   Initialism of idea management.
10. •
    Initialism of instance manipulation.

verb1

1. •
   Initialism of instant message (verb).

   • IM me when you get home.

noun1

1. •
   irregular galaxy with no coherent structure