holocaust

1 a destructive burning the holocaust caused by the ignited chemicals completely destroyed the factory and several surrounding homes Synonyms conflagration, fire, infernoRelated Words blaze, flare-up; backfire, bonfire, brush fire, campfire, forest fire, wildfire; arson

2 the killing of a large number of people as many as 2,000,000 people may have perished in the holocaust perpetrated by Cambodia's Khmer Rouge Synonyms bloodbath, butchery, carnage, death, massacre, slaughterRelated Words bloodletting, bloodshed, foul play, homicide, killing, manslaughter, murder, slaying; mortality; annihilation, decimation, demolishing, destruction, devastation, eradication, extermination; genocide, pogrom; assassination, execution