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Noun: clampdown  'klamp,dawn
  1. Sudden restriction on an activity
Verb: clamp down  klamp dawn
  1. Repress or suppress (something regarded as undesirable)
    "The police clamped down on illegal drugs";
    - crack down

Derived forms: clamped down, clampdowns, clamping down, clamps down

Type of: bound, confine, limit, limitation, restrain, restrict, restriction, throttle, trammel

Encyclopedia: Clampdown