murder

(noun) unlawful premeditated killing of a human being by a human being. Synonyms: slaying, execution.

(verb) kill intentionally and with premeditation. Synonyms: slay, hit, dispatch, bump off, off, polish off, remove. Example: "The mafia boss ordered his enemies murdered."

(verb) alter so as to make unrecognizable. Synonyms: mangle, mutilate. Example: "The tourists murdered the french language."