IM

• (roman numeral): CMXCIX, cmxcix

IM

1. The ISO 3166-1 two-letter (alpha-2) code for Isle of Man.

IM

1. Misspelling of CMXCIX., the Roman numeral representing nine hundred and ninety-nine (999).

• Previous: CMXCVIII (nine hundred and ninety-eight, 998)
• Next: M (one thousand, 1000)

IM

1. Initialism of intramuscular.

IM (plural IMs)

1. Initialism of idea management.

   The paper discusses the development of a performance measurement methodology for Idea Management (IM), i.e., a system that supports nonprofessional innovation as a way to the continuous improvement of organisations.[1]

2. (computing) Initialism of Information Management.
3. (Internet) Initialism of instant message.

   I never got your IM last night.

4. (Internet) Initialism of instant messaging.
   • 2007, Bill Daley, Computers Are Your Future, page 70:

     Another threat to the use of IM is a phenomenon known as spimming. Spimming is to IM as spam is to e-mail. Some aggressive spimmers learned how to take over one IMer's contact list — threatening a company's entire IM system!

5. (swimming) Initialism of individual medley.

IM (third-person singular simple present IMs, present participle IMing, simple past and past participle IMed)

1. Initialism of to instant message (typically sent/received by cell phone, PDA, or computer)

   IM me when you get home.

• DM
• PM

• MI, mi, mi.

IM m (genitive IM, plural IM)

1. (historical) inoffizieller Mitarbeiter (also: Inoffizieller Mitarbeiter), an informant in the German Democratic Republic who delivered private information to the Ministry for State Security

• IMA
• IME

• DDR
• Stasi