Definition of back door in English:

back door


  • 1The rear door of a building.

    • ‘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.’
    • ‘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.’
    • ‘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.’
    • ‘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.’
    • ‘He had fallen out of the back doors when the van was driven off.’
    • ‘‘Sadly people can no longer leave their back doors open for the neighbours to wander in and out,’ he said.’
    • ‘They're a link back to the days when nobody bothered to lock their back doors and everyone grew vegetables.’
    • ‘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.’
    • ‘He found nearly 100 kilograms of explosives hidden in the back seat and along the two back doors.’
    • ‘Eight men armed with clubs burst into the house through both the front and back doors and set upon the occupants.’
    • ‘Bob pried open one of the back doors to the building, and they all scrambled out into the cool night air.’
    • ‘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.’
    • ‘We will be getting new front and back doors as well as a new kitchen, a new bathroom and central heating.’
    • ‘Veon threw open his door and opened the back doors, grabbing his pistols and stuffing them into his belt.’
    • ‘The back doors to the complexes, which open out to a shared courtyard, are broken and can't be locked.’
    • ‘The robber pushed past and failed an attempt to escape through the thick glass back doors of the terrace.’
    • ‘Its front and back doors were fortified with locks and bolts and an eight-foot piece of wood and its windows were nailed down.’
    • ‘The car's back doors have been designed with longer windows, improving the outlook for rear-seat passengers.’
    • ‘Both the front and back doors of her home are glass panelled.’
    • ‘Burglars are still carrying out daylight robberies in Putnoe and Goldington, despite police urging home owners to lock their back doors.’
    1. 1.1as modifier Achieved by using indirect or dishonest means.
      ‘a back-door tax increase’
      • ‘It is a back door to privatisation and should be resisted by anyone who believes in the health service.’
      • ‘What he takes issue with though is not the bans themselves, but bans that are a back-door means of protectionism.’
      • ‘That is why the National Party opposes this ridiculous back-door tax.’
      • ‘The whole labelling thing isn't some sort of sneaky back-door censorship program, but its a way of protecting free speech.’
      • ‘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.’
      • ‘Much of that looks like union-bashing, and as the Communist Party was the only one which supported racial integration, back-door racism.’
      • ‘We had to go through the back-door route and have played twenty-four competitive matches this season.’
      • ‘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.’
      • ‘The blasphemy law, which has largely fallen into desuetude, should be repealed, not effectively extended in this back-door way.’
      • ‘It is seen as a back-door route to full-scale privatization and is a major municipal issue.’
      • ‘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?’
      • ‘It seems to me it might be a back door attempt to get around the trial judge's findings of fact in this case.’
      • ‘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.’
      • ‘I think this is a back-door effort to reinstitute the draft, quite frankly.’
      • ‘It is wrong, it is a back-door tax, and we totally disagree with it.’
      • ‘He said suggestions that the idea was a form of back-door privatisation were ‘utter and total nonsense’.’
      • ‘‘This Bill is now well through committee stage and has become nothing more than a back-door ban on hunting,’ he said.’
      • ‘In some ways, re - importation as it's called has been a back-door approach to buying lower priced medications in this country.’
      • ‘He agreed that the Government's attitude towards NHS dentistry was effectively back-door privatisation.’
      • ‘He said that levies were just a back-door way of introducing taxes.’
      • ‘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.’
      • ‘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.’
      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.’


  • by (or through) the back door

    • Using indirect or dishonest means to achieve an objective.

      ‘this form of franchising will be seen as privatization by the back door’
      • ‘‘We don't want to come back into division one by the back door - we will play on the rugby field and alter our status,’ he declared.’
      • ‘But too few recognise that voting for the Liberals risks letting the Tories in through the back door.’
      • ‘What angered us last time was that the scheme was being done through the back door and we weren't informed about what was going on.’
      • ‘But the scheme - which has already been piloted in Aberdeen - was condemned yesterday as a cynical ploy to introduce national identity cards for adults by the back door.’
      • ‘They have tried to get rid of the hospital through the back door.’
      • ‘Mickey now says that once he has paid off his debts, he will try to lose all the weight and re-enter Hollywood through the back door.’
      • ‘Totalitarianism through the back door, they create the propaganda then use it to impose the will of the state on our public and private lives.’
      • ‘Some are talking about this as privatisation through the back door.’
      • ‘My concern now is that the powers-that-be will bring in fluoridation through the back door.’
      • ‘But, as the chairman explained, that might be good enough to achieve promotion by the back door.’
      • ‘The government has generally clamped down on ministers visiting the Far East during the World Cup, fearing that they could be accused of sneaking to the World Cup by the back door.’
      • ‘She added: ‘It makes you wonder if by not filling the vacancies the trust is trying to shut the units by the back door.’’
      • ‘They were today accused of trying to sneak a post office closure through the back door.’
      • ‘It is one of six centres across the country that the Department of Health hope will be a temporary measure to bring waiting lists under control but critics have said it is privatisation of the NHS by the back door.’
      • ‘It is obvious this shortfall will have to be paid by the taxpayer - through the back door, by council tax increases of ten per cent.’
      • ‘‘I'm not playing for a new contract, I just don't want to leave the club as a player who never came back from injury, or who leaves by the back door,’ he said.’
      • ‘This is state sponsorship of campaigns to achieve political goals by the back door.’
      • ‘The simple fact is that voting Lib Dem risks letting the Tories in by the back door.’
      • ‘I think the people who voted Liberal Democrat or Green did let the Tories in by the back door on this occasion.’
      • ‘I didn't get to the Olympics through the back door and I'm proud of what I've done although I'm disappointed at my time.’


back door