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Noun: overkill  'ow-vu(r),kil
  1. Any effort that seems to go farther than would be necessary to achieve its goal
    "Using a sledgehammer to crack a nut is a classic example of overkill"
     
  2. The capability to obliterate a target with more weapons (especially nuclear weapons) than are required
    "The nuclear arsenal represented massive overkill"

Derived forms: overkills

Type of: capability, capableness, effort, elbow grease [informal], exertion, sweat [informal], travail [literary]

Encyclopedia: Overkill