war crime

American  

noun

1. Usually war crimes crimes committed against an enemy, prisoners of war, or subjects in wartime that violate international agreements or, as in the case of genocide, are offenses against humanity.

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war crime British  

noun

1. a crime committed in wartime in violation of the accepted rules and customs of war, such as genocide, ill-treatment of prisoners of war, etc

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Other Word Forms

• war criminal
  noun

Etymology

Origin of war crime

First recorded in 1940–45

Example Sentences

See Examples For:

war crime

“A war crime in the digital space? No country can prosecute it,” said Sula.

From The Wall Street Journal ● Jun. 19, 2026

At the law school at Damascus University, more than 300 students attended a recent seminar addressed by international war crime legal specialists including Stephen Rapp, a former U.S. ambassador-at-large for war crimes issues.

From Slate ● May 27, 2026

When nations are openly engaged in armed conflict, as the U.S. and Iran are, neither the threat nor the execution of large-scale attacks on infrastructure has been prosecuted as a war crime.

From The Wall Street Journal ● Apr. 15, 2026

The Geneva Convention makes clear that targeting civilian infrastructure is a potential war crime.

From BBC ● Feb. 3, 2026

Ever since the bugouts had inducted Earth into their Galactic Federation, promising to end war, crime, and corruption, he'd found himself at loose ends.

From Super Man and the Bug Out by Doctorow, Cory