war crime

noun

: a crime (such as genocide or maltreatment of prisoners) committed during or in connection with war
—usually plural
war criminal noun

Examples of war crime in a Sentence

He was found guilty of torture and other war crimes.
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 Special Criminal Court was established to try war crimes and other human-rights abuses committed during the coups and violence that the country has experienced since 2003. — Arkansas Online, 24 Sep. 2026 His remarks — which at times sounded like a stump speech as Israel gears up for elections — came after a week filled with speeches by world leaders accusing Israel of genocide and war crimes in Gaza. — Sam Metz, Los Angeles Times, 24 Sep. 2026 The Special Criminal Court was established to try war crimes and other human rights abuses committed during the coups and violence that the country has experienced since 2003. — ABC News, 23 Sep. 2026 The sins of the father are ultimately presented in a literal, stomach-churning slideshow that haphazardly alternates benign family snaps with gleeful photographic evidence of Johan’s war crimes. — Guy Lodge, Variety, 19 Sep. 2026 See All Example Sentences for war crime

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of war crime was in 1871

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Cite this Entry

“War crime.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/war%20crime. Accessed 27 Sep. 2026.

Legal Definition

war crime

noun
: an act committed usually during an international war for which individual criminal liability will be imposed by a domestic or international tribunal
specifically : a violation of the laws or customs of war as embodied or recognized by international treaty, court decisions, or established practice
—usually used in pl.

Note: Following World War II, the Charter of the International Military Tribunal at Nuremberg first codified war crimes including crimes against humanity. Also encompassed in the legal concept of war crimes is the crime of planning or waging a war of aggression or a war in violation of international treaties.

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