Definition of red zone in US English:

red zone

noun

  • 1A red sector on a gauge or dial corresponding to conditions that exceed safety limits.

    ‘ozone readings edged into the red zone’
    • ‘‘We are in the red zone and have nothing to cope with a surge in demand for beds,’ he said.’
    • ‘We are somewhat dubious that the risks posed to the banks are in fact ‘a long way from the red zone of the dial’.’
    • ‘I know this, yet I still find something worrying about the idea of a call centre operator watching the needle flickering into the critical red zone as I explain how the freezer door fell open.’
    • ‘The extra weight, altitude, and soft snow will all contribute to sending your heart rate into the red zone.’
    • ‘Did he now sense that her emotion meter was nearing the red zone and a little sleep would do her some good?’
    • ‘When I find the dial, I'm gonna crank it up to the red zone.’
    • ‘I have to fill the car every three or four days, so I tend to run it right down to the red zone of the tank indicator to avoid visiting the garage too often.’
    • ‘So while eyeing his gas gauge, which dips precariously into the red zone, Coffman winds in and out of a mind-boggling number of developments until he reaches one called Northridge.’
    • ‘George Bush's public deficits have entered an unsustainable red zone, and private debt is also alarming money markets.’
    • ‘The red zone, or danger zone, explains what to do when a flare-up is severe.’
    • ‘Any reading in the red zone, or danger zone, means that your child's peak flow is less than 50% of his or her personal best.’
    • ‘The divers were running into long decompression stops, and their gauges already moving into the red zone.’
    • ‘I cast an eye on price tags while I was at Lowe's and was relieved to see that a decent unit can be had for something under a price that raises my blood pressure into the red zone.’
    • ‘Frantic diplomacy by the United States, Britain and other countries brought the danger back down from the red zone, but just barely.’
    • ‘As long as the signal stays outside the red zone, a receiver will be able to clock valid data in at the right time.’
    1. 1.1 A region that is dangerous or forbidden, or in which a particular activity is prohibited.
      ‘any officer who parks in the red zone outside the courthouse could receive a ticket’
      • ‘Throughout the day, police in heavy riot gear struggled to control missile-throwing demonstrators seeking to fight their way into the restricted red zone around the talks venue.’
      • ‘The Cherokee was illegally parked in the red zone.’
      • ‘And the red zones are areas where we cannot get into to effect delivery.’
      • ‘Perhaps some time around noon, as thousands of protesters thronged the streets dancing, waving banners and singing, Black Block anarchists clashed with the police to the north of the red zone.’
      • ‘He said people living within the red zones - areas that have been prone to flooding and landslides during recent inclement weather - would be prewarned.’
      • ‘Others in our group were taken to see the reconstruction projects as well as going on patrol and visiting an orphanage in the red zone adopted by our American Soldiers!’
      • ‘Services have been redirected to the small branch at Kew Road in a red zone or a larger one at Richmond which poses a great inconvenience.’
      • ‘It is actually possible to live in the red zone - if you're elderly and want to live in a nursing home, located near the library.’
      • ‘The areas have been divided into zones and people in the red zones have been advised to vacate these areas in case of severe weather.’

Pronunciation

red zone

/rɛd zoʊn/