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Any of various crimes, such as genocide or the mistreatment of prisoners of war, committed during a war and considered in violation of the conventions of warfare.
war criminal n.
(Law) 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
war criminal n
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.
war′ crim`inal, n.