BLACKOUT
- a power failure [n BLACKOUTS]
- A period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid
- Dark curtains put up in windows to cover lights during an air raid
- A failure of electrical power supply
- A moment in the theater when the lights on stage are suddenly turned off
- A suppression of information, esp. one imposed on the media by government
- A period during which a particular activity is prohibited
- A temporary loss of consciousness