missing in action

adjective

: missing and unable to be confirmed as captured or killed following military action
a soldier who was declared missing in action
The 1st Cavalry Division casualties in Operation PERSHING totalled 852 troopers killed in action, 22 missing in action, 286 killed in noncombat circumstances …Shelby L. Stanton
often used figuratively for someone or something notably or unexpectedly missing, absent, or inactive
Most readers expect an encyclopedia to give the judgment of scholars—a group largely missing in action here.Julia Vitullo-Martin
The movie itself has just resurfaced after having been missing in action for some time.Video Review
But lots of hair had turned gray (my own included); lots more was missing in action.Joseph Epstein

Examples of missing in action in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The fallout from the assault has thrown city leadership into turmoil, as Mayor Aftab Pureval was missing in action for several days following the incident, leading to the local Fraternal Order Police (FOP) unanimously voting no-confidence in him. FOXNews.com, 30 Aug. 2025 Their two All-Star starters, Crow-Armstrong and Tucker, both had been missing in action during this crucial month of August. Paul Sullivan, Chicago Tribune, 15 Aug. 2025 Cornyn laid into Paxton for his recent trip to Europe, saying Abbott had to use his own lawyers to sue the Democrats because his rival was missing in action. The Hill, 6 Aug. 2025 Yet with three of its six members missing in action, key decisions relating to operations, planning, and force development may be delayed until new permanent members are appointed. M. Taylor Fravel, Foreign Affairs, 18 July 2025 See All Example Sentences for missing in action

Word History

First Known Use

1808, in the meaning defined above

Time Traveler
The first known use of missing in action was in 1808

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Cite this Entry

“Missing in action.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/missing%20in%20action. Accessed 10 Sep. 2025.

Last Updated: - Updated example sentences
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