mas·sa·cre 
(măsə-kər)
(măsə-kər)n.
1. The act or an instance of killing a large number of humans indiscriminately and cruelly.
2. The slaughter of a large number of animals.
3. Informal A severe defeat, as in a sports event.
tr.v. mas·sa·cred (-kərd), mas·sa·cring (-krĭng, -kər-ĭng), mas·sa·cres
1. To kill indiscriminately and wantonly; slaughter.
2. Informal To defeat decisively.
3. Informal To botch; bungle: massacred the French language trying to order dinner.
[French, from Old French macecle, macecre, butchery, shambles.]
massa·crer (-kər-ər, -krər) n.