Definitions from Wiktionary ( )

▸ noun:  The killing of a considerable number (usually limited to people) where little or no resistance can be made, with indiscriminate violence, without necessity, and/or contrary to civilized norms.
▸ noun:  (obsolete) Murder.
▸ noun:  (figuratively) Any overwhelming defeat, as in a game or sport.
▸ verb:  (transitive) To kill in considerable numbers where little or no resistance can be made, with indiscriminate violence, without necessity, and contrary to civilized norms. (Often limited to the killing of human beings.)
▸ verb:  (transitive, figuratively) To win against (an opponent) very decisively.
▸ verb:  (transitive, figuratively) To perform (a work, such as a musical piece or a play) very poorly.
▸ verb:  (transitive, proscribed) To kill with great force or brutality.

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