- overkill - the capability to obliterate a target with more weapons (especially nuclear weapons) than are required
--1 is a kind of capability, capableness
- overkill - any effort that seems to go farther than would be necessary to achieve its goal
--2 is a kind of effort, elbow grease, exertion, travail, sweat
- overkill - any effort that seems to go farther than would be necessary to achieve its goal