the unnecessary, indiscriminate killing of a large number of human beings or animals, as in barbarous warfare or persecution or for revenge or plunder.
2.
a general slaughter, as of persons or animals: the massacre of millions during the war.
3.
Informal. a crushing defeat, esp. in sports.
–verb (used with object)
4.
to kill unnecessarily and indiscriminately, esp. a large number of persons.
5.
Informal. to defeat decisively, esp. in sports.
Origin: 1575–85; (n.) < MF massacre, n. deriv. of massacrer, OF maçacrer, macecler, prob. < VL *matteūcculāre, v. deriv. of *matteūca mallet (see mashie, mace1); (v.) < MF massacrer