Definition of back door in English:

back door


  • 1The rear door of a building.

    • ‘On the other side of the alley are the rears of another strip, and the back doors of all these stores empty into the alley.’
    • ‘They're a link back to the days when nobody bothered to lock their back doors and everyone grew vegetables.’
    • ‘She asks him what's happening, but he doesn't reply, so she duly goes off to open the back doors while he goes off in a different direction.’
    • ‘Bob pried open one of the back doors to the building, and they all scrambled out into the cool night air.’
    • ‘Both the front and back doors of her home are glass panelled.’
    • ‘Eight men armed with clubs burst into the house through both the front and back doors and set upon the occupants.’
    • ‘He found nearly 100 kilograms of explosives hidden in the back seat and along the two back doors.’
    • ‘Within minutes the back doors of the prison van burst open and the three prisoners escaped with the gunmen, one of whom was dressed in a Royal Mail uniform.’
    • ‘They pushed open the back doors and entered the building, passing by the control room and up the concrete back stairs, heading for their changing rooms.’
    • ‘The back doors to the complexes, which open out to a shared courtyard, are broken and can't be locked.’
    • ‘The car's back doors have been designed with longer windows, improving the outlook for rear-seat passengers.’
    • ‘‘Sadly people can no longer leave their back doors open for the neighbours to wander in and out,’ he said.’
    • ‘Its front and back doors were fortified with locks and bolts and an eight-foot piece of wood and its windows were nailed down.’
    • ‘Veon threw open his door and opened the back doors, grabbing his pistols and stuffing them into his belt.’
    • ‘We will be getting new front and back doors as well as a new kitchen, a new bathroom and central heating.’
    • ‘She insisted on leaving the front and back doors open at all times, and these were at either end of a passageway through the house.’
    • ‘The robber pushed past and failed an attempt to escape through the thick glass back doors of the terrace.’
    • ‘Burglars are still carrying out daylight robberies in Putnoe and Goldington, despite police urging home owners to lock their back doors.’
    • ‘He had fallen out of the back doors when the van was driven off.’
    • ‘Police immediately cordoned off the house and officers guarded the front and back doors until the examination at which it was concluded her death was not suspicious.’
    1. 1.1[as modifier] Achieved by using indirect or dishonest means:
      ‘a back-door tax increase’
      • ‘I think this is a back-door effort to reinstitute the draft, quite frankly.’
      • ‘Others mutter of sinister hidden agendas such as back-door price-fixing, which cannot be ruled out, but by what authority could he possibly engage in such activities?’
      • ‘Fears continued to grow last week that runaway borrowing and soaring house prices are fuelling back-door attempts by the government to control lending by pushing prices up.’
      • ‘In some ways, re - importation as it's called has been a back-door approach to buying lower priced medications in this country.’
      • ‘‘This Bill is now well through committee stage and has become nothing more than a back-door ban on hunting,’ he said.’
      • ‘As long as it doesn't turn into a back-door method of raising the age at which we can start claiming our state pensions, then I'm all for people being able to work for as long as they want to.’
      • ‘He agreed that the Government's attitude towards NHS dentistry was effectively back-door privatisation.’
      • ‘He said suggestions that the idea was a form of back-door privatisation were ‘utter and total nonsense’.’
      • ‘It is wrong, it is a back-door tax, and we totally disagree with it.’
      • ‘What he takes issue with though is not the bans themselves, but bans that are a back-door means of protectionism.’
      • ‘The blasphemy law, which has largely fallen into desuetude, should be repealed, not effectively extended in this back-door way.’
      • ‘He said that levies were just a back-door way of introducing taxes.’
      • ‘Much of that looks like union-bashing, and as the Communist Party was the only one which supported racial integration, back-door racism.’
      • ‘The whole labelling thing isn't some sort of sneaky back-door censorship program, but its a way of protecting free speech.’
      • ‘What usually happens when you put together a soundtrack is you make a deal with some record company that has some sort of back-door deal with the studio.’
      • ‘We had to go through the back-door route and have played twenty-four competitive matches this season.’
      • ‘That is why the National Party opposes this ridiculous back-door tax.’
      • ‘There would rightly be a stream of concerned editorials warning of the threat to personal privacy, with commentators bemoaning the back-door introduction of an apparent identity card.’
      • ‘It is seen as a back-door route to full-scale privatization and is a major municipal issue.’
      • ‘The problem with such a ‘solution’, of course, is that it is a slightly dishonest, back-door way of achieving a result which accords with justice.’
      against the rules, contrary to the rules, out of order, Improper, incorrect, illegitimate, unscrupulous, unethical, unprofessional
      View synonyms
    2. 1.2 A feature or defect of a computer system that allows surreptitious unauthorized access to data.
      • ‘It also attempts to open a backdoor on infected Windows PCs, allowing hackers to exploit compromised systems.’
      • ‘Once downloaded, the victim unwittingly activates the backdoor by compiling Sendmail from source code.’
      • ‘However the back door component of the virus has no time limit; it is still running on pox-ridden PCs.’
      • ‘Around the same time, Mydoom.A was infecting machines around the world, leaving a small backdoor to each infected computer.’
      • ‘Eight days after the outbreak, the author used that backdoor to download personal data from computer owners.’


back door