mass murder

Definitions of mass murder
1

n the savage and excessive killing of many people

Synonyms:
butchery, carnage, massacre, slaughter
Examples:
Alamo
a siege and massacre at a mission in San Antonio in 1836; Mexican forces under Santa Anna besieged and massacred American rebels who were fighting to make Texas independent of Mexico
Battle of the Little Bighorn
a battle in Montana near the Little Bighorn River between United States cavalry under Custer and several groups of Native Americans (1876); Custer was pursuing Sioux led by Sitting Bull; Custer underestimated the size of the Sioux forces (which were supported by Cheyenne warriors) and was killed along with all his command
Types:
battue, bloodbath, bloodletting, bloodshed
indiscriminate slaughter
Type of:
execution, murder, slaying
unlawful premeditated killing of a human being by a human being

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