friendly fire

noun

: the firing of weapons from one's own forces or those of an ally especially when resulting in the accidental death or injury of one's own personnel
Near the river bordering our camp I find the tents of the four soldiers who were supposedly hit by friendly fire.Janine Di Giovanni
After all, accidental attacks, though tragic, are common in war. In 1967 alone, "friendly fire" killed 5,373 Americans fighting in Vietnam.Michael Oren

Examples of friendly fire in a Sentence

Recent Examples on the Web
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Over a dozen men were killed and many more injured in the friendly fire incident. Salena Zito, Washington Post, 1 July 2026 He was hit and killed by friendly fire in April of that year. Jason Green, Mercury News, 16 June 2026 Pat Tillman was killed in Afghanistan in 2004 by friendly fire. Kassia Bonesteel, CBS News, 15 June 2026 And Mina points to federal and state investigations that cleared officers accused of accidentally killing some victims from friendly fire. Cristóbal Reyes, The Orlando Sentinel, 12 June 2026 See All Example Sentences for friendly fire

Word History

First Known Use

1918, in the meaning defined above

Time Traveler
The first known use of friendly fire was in 1918

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Cite this Entry

“Friendly fire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/friendly%20fire. Accessed 5 Jul. 2026.

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