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  • MIA
    MIA
    missing in action.
  • M.I.A.
    M.I.A.
    abbreviation
    Master of International Affairs.

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.

Sing's Gloucester-Hartpury team-mate Mia Venner wins her third cap on the wing to complete a new-look combination to face Italy in Parma on Saturday.

From BBC • May 5, 2026

The energy crisis "certainly gives everyone another reason why they should act with alacrity", the prime minister of Barbados, Mia Mottley, told AFP.

From Barron's • May 4, 2026

Over the past month, A.I. detection has been at the center of a series of controversies: Hachette pulled the horror novel Shy Girl by Mia Ballard after detectors flagged it as substantially A.I.-generated.

From Slate • Apr. 17, 2026

I am in a position to defend my writers and myself, but Pangram has shredded the reputation of Mia Ballard, whose book was supposed to be published next Tuesday.

From The Wall Street Journal • Apr. 3, 2026

Mia had stacked them neatly inside: half portraits, half wishes, caught on paper.

From "Little Fires Everywhere" by Celeste Ng

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.