Definition of blackout in English:

blackout

noun

  • 1A period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid.

    ‘people found it difficult to travel in the blackout’
    as modifier ‘she peered out through the blackout curtains’
    • ‘So draw the blackout curtains and drown out the roar of the passing airplanes while you contemplate your email by the light of this cheery bit of decor.’
    • ‘The blackout curtain was cracked on the side and allowed just enough light in to barely see by.’
    • ‘But the captain had ordered a blackout of all lights on the ship.’
    • ‘The blackout system must incorporate an automatic shut off if there is an open hatch, door, or ramp.’
    • ‘He threw open the blackout curtains of heavy, dark velvet, letting the rosy light of dawn seep into the room.’
    • ‘Slowly, I got up and lifted the blackout curtain on the right side of my room.’
    • ‘In those days, I could pull back the blackout curtains in the morning and tell instantly whether I was going to have a good or a bad day.’
    • ‘The lab is a windowless room with a blackout curtain puffed over the closed door, and when the lights are turned off, it's completely dark.’
    • ‘Visitors will be able to rediscover the long-forgotten world of blackouts, air-raids, rationing and the Home Guard.’
    • ‘Use blackout curtains, eye covers, earplugs, extra blankets, a fan, a humidifier or other devices to create an environment that suits your needs.’
    1. 1.1usually blackoutsBritish Dark curtains put up in windows to cover lights during an air raid.
    2. 1.2 A failure of an electrical power supply.
      ‘due to a power blackout their hotel was in total darkness’
      • ‘The power corporation instituted rotating blackouts for periods in the community while the power plant was being repaired.’
      • ‘When the city suffered blackouts after power failures in 1998, his emergency response team provided the generators to keep the city functioning.’
      • ‘Last weekend was the first anniversary of the big blackout that shut down large parts of northeastern North America last summer.’
      • ‘As soon as the blackout hit, it started dumping waste directly into the East River and continued doing so for the next 29 hours.’
      • ‘California dramatically reduced power consumption over just a few weeks and prevented rolling blackouts and the economic disruption they would have entailed.’
      • ‘A grid spokeswoman says there is little danger of blackouts, but power supplies are tight.’
      • ‘On a dilapidated black-and-white television sits an old kerosene lamp which he lights when a blackout plunges him into darkness.’
      • ‘Well, the lights are back on in Detroit now after a partial blackout that shut down a major border crossing.’
      • ‘In some states, we face the possibility of brownouts or blackouts in peak load periods.’
      • ‘In the past, monopoly providers worked together to prevent local or regional blackouts.’
      • ‘Since no electric power plants have been built in the past 10 years, he must endure rolling blackouts at least once a week.’
      • ‘I like taking part in something that is here and now, like when we covered the blackout this past summer.’
      • ‘After the 1965 blackout, which covered much of the same territory as the August 2003 event, steps were taken to prevent a recurrence of the problem.’
      • ‘Estimates of the economic costs of the blackout reach upwards of $5 billion.’
      • ‘The island was plunged into a power blackout as electricity pylons and light poles crashed to the ground and telephone lines were ripped out.’
      • ‘The remaining 15 were used by 9 p.m. that evening long before the blackout ended.’
      • ‘But in a country where electricity is in short supply and power blackouts are common, the frost-free and energy-efficient technology can be a major handicap.’
      • ‘She becomes the victim of the Glue Man, a mysterious prankster who uses the cover of a blackout to put glue in girls' hair.’
      • ‘Dramatic cuts in the workforce result in cuts to maintenance crews and accidents, and equipment-related blackouts increase.’
      • ‘But whether those steps will be enough to prevent blackouts is impossible to tell.’
      power cut, power failure, electricity failure
      View synonyms
    3. 1.3 A moment in the theatre when the lights on stage are suddenly dimmed.
      • ‘A theater on the 2nd and 3rd floors will have back and side walls of glass allowing a backdrop of a clear view of the harbor or controlled filtering down to complete blackout.’
      • ‘Where Mamet's play features blackouts, the film substitutes long, synthesized soft-rock montages.’
      • ‘The production looks chic in her design, but it is clumsy, with long blackouts after each scene, and lazily paced.’
      • ‘The frequency of entries, exits and prolonged blackouts during scene changes detracts from the performances.’
    4. 1.4 A suppression of information, especially one imposed on the media by government.
      ‘the total information blackout on the series of meetings’
      • ‘Due to a press blackout imposed by both sides in the dispute, no details have been released as to what contractual disagreements caused the breakdown in the negotiations.’
      • ‘‘There is an information blackout on the case,’ she said.’
      • ‘More and more governments are tightening controls on media freedom and information blackouts.’
      • ‘The government has imposed a censorship blackout on the media and no journalists are permitted in the war zone.’
      • ‘The main media outlets have imposed their own, more far-reaching blackout on the case, despite its implications for civil liberties and free speech.’
      • ‘They had imposed a strict blackout on media coverage of the coffins returning to Dover, claiming that it is was meant to protect the privacy of the slain soldiers' families.’
      • ‘I know you will have a big problem with the media blackout on your campaign, but it is important for you to soldier on.’
      • ‘During the first Persian Gulf War, there was a media blackout from the moment the ground war began.’
      • ‘Authorities have arrested high-profile editors, closed publications, and imposed news blackouts on politically sensitive events.’
      • ‘Erroneous public perception of a massive cost-overrun was never addressed and as the project advanced, a publicity blackout added commensurate mystery.’
      • ‘The government, however, maintains tough media censorship including a virtual blackout on military operations.’
      • ‘News organisations do occasionally agree to news blackouts if they are advised that this will help to secure the safety of hostages.’
      • ‘Any such action would probably involve a TV blackout, but the matches themselves are likely to still take place.’
      • ‘I'm unsure of the media blackout at the moment, I have seen both conflicting screens of the game, some look awesome - some look drab.’
      • ‘Because the government and the media have imposed a blackout on the protest, it is not known how many are still refusing food and water.’
      • ‘The country's dictators remain so terrified of the lure of democracy and its defenders that they ordered a total blackout on the news.’
      • ‘An information blackout imposed on the government's actions was indicative of a disturbed conscience.’
      • ‘Despite a media blackout on the province, reports continued to filter out of extra judicial murders, arbitrary arrest and torture.’
      • ‘Sorry to tease but I can't give any more details at the moment as there's a news blackout.’
      suppression, silence, censorship, reporting restrictions, cut-off
      View synonyms
  • 2A temporary loss of consciousness.

    ‘she was suffering from blackouts’
    • ‘The ten, aged 29 to 53, had very severe diabetes from their youth, needed up to 15 injections of insulin a day and often suffered blackouts without warning.’
    • ‘Since age seven, he has been experiencing blackouts at moments of high emotional stress.’
    • ‘Her first step towards recovery came after a visit to a counsellor after she started experiencing blackouts.’
    • ‘When mixed with alcohol it can lead to blackouts and amnesia.’
    • ‘In February, up to seven prison staff suffered memory blackouts after their drinks were spiked during a night out.’
    • ‘Despite still suffering blackouts and mood swing, she succeeded in passing her exams.’
    • ‘Pacemakers are usually used to treat an abnormally slow heartbeat which can cause dizziness, fainting or blackouts.’
    • ‘Explain to children at a young age what shallow-water blackout is and why they should never practice breath-hold diving’
    • ‘He couldn't explain how it happened but he thought he must have had a blackout.’
    • ‘She had also been warned that since her concussion had been pretty bad she might also have some momentary blackouts.’
    • ‘The vast majority of what is known about alcohol-induced blackouts is derived from research with hospitalized alcoholics.’
    • ‘The young doctor suffered blackouts and colleagues discovered he was addicted to the painkiller pethidine.’
    • ‘From the age of 35, Pat began experiencing blackouts and severe fatigue and eventually went for medical assessment.’
    • ‘‘We weren't sure if they were micro naps or blackouts but they were happening every ten seconds,’ she said.’
    • ‘Students were also asked to provide a narrative of what transpired during their last blackout based upon what they could recall on their own and what others told them.’
    • ‘I have a distinct memory of being seven and working myself up pretty badly because I realised it was possible to have a blackout at any moment.’
    • ‘By re-reading his childhood diaries (and concentrating very hard) he can transport himself back to the past, to the very moment of his blackouts.’
    • ‘Some known dissociative states induced by substance abuse include alcoholic blackouts and substance-induced amnestic disorder.’
    • ‘He now suffered headaches and blackouts and had to see a neurosurgeon.’
    • ‘He took another sip, sustained another blackout.’
    faint, fainting fit, loss of consciousness, coma, passing out, period of oblivion, swoon, collapse
    View synonyms

Pronunciation

blackout

/ˈblakaʊt/