blackout

black-out · noun

imported

Definitions

noun

  1. 1.

    A failure of electrical power supply over a large area.

  2. 2.

    A temporary loss of consciousness or memory.

  3. 3.

    A suppression of news or information by official order.

  4. 4.

    A period during wartime when all lights must be extinguished.

Forms

plural: blackouts

Phrases & expressions

  • news blackout — Official suppression of information.
  • blackout curtains — Heavy curtains that block all light.
  • rolling blackout — Intentional, temporary power cuts.
  • blackout drunk — So intoxicated as to lose memory.

Related words

Etymology

From English compound of black + out, first attested in 1913 for theater use (darkening the stage), later extended to power failures and other meanings.