The meaning of the Acronym IM is...

IM is

• Instant Messaging
• Instant Message
• Intellectually Mild
• Interrupt Me
• Instant Messenger

More Meanings For IM:

• Intermediate Modulation
• Individually Modulated
• Integrated Model
• Instrument Management
• Impedance Matcher
• Intermediate Modeling
• Immunoassay
• Instant Money
• Ingram Micro, Inc.
• Independent Musician
• Inspiring Minds
• Incident Management
• Is A Means
• Indopak Music
• Instant Music

IM is also in:

• Accounting
• Amateur Radio
• Educational
• Electronics
• Law
• Music
• NYSE Symbols
• Ocean Science
• Positions