intransitive verb.
to experience a temporary loss of consciousness, memory, or vision.
transitive verb.
to cause to become black, such as a stage, a computer screen, or a city.
transitive verb.
to impose a blackout on (news or a sports event).
transitive verb.
to make (a written text) illegible by applying a black ink over it; to blot out.
transitive verb.
to suppress (a memory).
noun.
a suspension of radio or tv broadcasting.
noun.
any darkness resulting from the extinction of lights.
noun.
the failure of electric power for a general region sufficient to extinguish all normal lighting.
noun.
a momentary loss of consciousness.
noun.
partial or total loss of memory.
noun.
a period during which artificial lighting is forbidden, as in a city as a precaution against an air raid.
noun.
the darkening of all stage lights, as at then end of a performance or between acts.
noun.
suppression of information distribution.
noun.
the prohibition of the broadcasting of a sports event, such as a boxing match or football game, sometimes confined to one particular area. It is usually done to encourage sales of tickets to the event.