Definitions for overkillˈoʊ vərˌkɪl
Random House Webster's College Dictionary
the capacity to destroy by nuclear weapons more of an enemy than would be necessary for a victory.
an instance of such destruction.
an excess of what is suitable.
Category: Common Vocabulary
the capability to obliterate a target with more weapons (especially nuclear weapons) than are required
any effort that seems to go farther than would be necessary to achieve its goal
A destructive capacity that exceeds that needed to destroy an enemy; especially with nuclear weapons.
An unnecessary excess of whatever is needed to achieve a goal.
To destroy something with more (nuclear) force than is required.