Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To send (someone) an instant message.
  • transitive verb To express in an instant message.
  • noun An instant message.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ISO 3166-1 two-letter (alpha-2) code for Isle of Man.
  • noun Common misspelling of CMXCIX., the Roman numeral representing nine hundred and ninety-nine (999).
  • initialism to instant message, typically sent/received by cell phone, PDA, or computer.
  • initialism noun an instant message
  • initialism noun idea management
  • initialism intramuscular

Etymologies

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