To Murder

1. To deliberately kill (a person or persons) without justification, especially with malice aforethought.
2. (transitive, sports, figuratively, colloquial, hyperbolic) To defeat decisively.
3. (figuratively, colloquial, hyperbolic) To kick someone's ass or chew someone out (used to express one’s anger at somebody).
4. To botch or mangle.
5. (figuratively, colloquial, Britain) To devour, ravish.

Synonyms

• (deliberately kill): assassinate, kill, massacre, slaughter
• (defeat decisively): thrash, trounce, wipe the floor with
• (express one’s anger at): kill