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MIA

1 American  

plural

MIA's, MIAs

  1. missing in action.

  2. a soldier declared missing in action.

M.I.A. 2 American  

abbreviation

  1. Master of International Affairs.

  2. Military. missing in action.

MIA British  

abbreviation

  1. military missing in action: officially unaccounted for following combat

  2. (in Australia) Murrumbidgee Irrigation Area

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a result, history and original meaning were MIA in a dispute when they should have been front and center.

From Slate • Dec. 11, 2025

There are a few characters out of the Scott drama who are MIA in real time, though we see and hear from them in archival video—Keith Olbermann, for instance, who appeared with Scott on “SportsNight.”

From The Wall Street Journal • Dec. 9, 2025

The drive should take two hours, but the teens are MIA for two nightmare days.

From Los Angeles Times • Oct. 24, 2025

After Saturday’s attempt on his life, Melania felt MIA.

From BBC • Jul. 18, 2024

Car owners were asked to lend their vehicles to the MIA car pool so that other people could drive them around town.

From "Claudette Colvin: Twice Toward Justice" by Phillip Hoose

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.