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1. The killing of animals especially for food.
2. The killing of a large number of people; a massacre: "I could not give my name to aid the slaughter in this war, fought on both sides for grossly material ends" (Sylvia Pankhurst).
tr.v. slaugh·tered, slaugh·ter·ing, slaugh·ters
1. To kill (animals) especially for food; butcher.
a. To kill (people) in large numbers; massacre.
b. To kill in a violent or brutal manner.

[Middle English, of Scandinavian origin; akin to Old Norse slātr, butchery.]

slaugh′ter·er n.
slaugh′ter·ous adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.slaughterous - accompanied by bloodshed; "this bitter and sanguinary war"
bloody - having or covered with or accompanied by blood; "a bloody nose"; "your scarf is all bloody"; "the effects will be violent and probably bloody"; "a bloody fight"


References in classic literature ?
From being the outward tokens of respect and sorrow for the dead, they became converted into signals of very slaughterous and killing designs upon the living.
Our message is primarily addressed to the sides in Syrian slaughterous conflict, which seriously destabilizes the situation in the country and the region as a whole," the Foreign Ministry said in an online statement Thursday.
A huge bunker, designed to protect 367 people from the Luftwaffe's slaughterous raids, has been tracked down below Linthorpe Road in the town centre.