(literally, military) A destructive capacity that exceeds that needed to destroy an enemy; especially with nuclear weapons.

(literally) Destruction beyond what is necessary to kill, especially in murder.

(by extension) An unnecessary excess of whatever is needed to achieve a goal.

(manufacturing) An unnecessary excess of disposal because of too high criteria of inspection.

(transitive) To destroy something with more (nuclear) force than is required.

(manufacturing) To dispose of too many items because of too-high criteria of inspection.

To do something excessive to achieve a goal.