Definition of hush-hush in English:

hush-hush

adjective

informal
  • (especially of an official plan or project) highly secret or confidential.

    ‘a hush-hush research unit’
    • ‘You may see a slight hush-hush raise in taxes and perhaps a slight improvement in some social services but probably not the ones you'll actually use.’
    • ‘Main is also working on a hush-hush project involving a Scottish-based online games business and a couple of high-profile sports journalists.’
    • ‘I put the photos away and I conduct a very hush-hush surveillance.’
    • ‘The subjects of hush-hush all-girls' conversations were now discussed in the open.’
    • ‘She lost 25 pounds, but was able somehow to keep her illness hush-hush from almost everyone, including her three sons.’
    • ‘Now, these were supposed to be very hush-hush talks.’
    • ‘‘There are a few people who are interested, but it's all hush-hush,’ one said this week.’
    • ‘The hush-hush epic will be screened this autumn.’
    • ‘It gives them a real lift and we had to keep it a bit hush-hush to stop the entire hospital coming down here.’
    • ‘The top-secret project was so hush-hush they were barred from even taking photographs.’
    • ‘Negotiations are underway with the province about new powers for the city, but it is being kept so hush-hush, one can only assume another opportunity is being missed.’
    • ‘We didn't know where we were going to, it was very hush-hush.’
    • ‘A lot of the game world is top secret and hush-hush.’
    • ‘Yeah, I'm working on something, but right now I've got to keep it hush-hush.’
    • ‘The big name acts are pretty hush-hush at the moment, but the line-up is guaranteed to read like the who's who of Aussie music.’
    • ‘Adoption is no longer a hush-hush affair and there are even those who are willing to consider it an alternative to biological parenthood.’
    • ‘We have a great theme going, but I can't post it on the blog, cos everything has to be hush-hush till the last moment.’
    • ‘Of course it was all kept hush-hush, because we did not want to tell the Germans they had had a success.’
    • ‘‘There was nothing written down, nothing traceable,’ one source close to the hush-hush negotiations explained last night.’
    • ‘‘It's such a hush-hush situation that only involves family members most of the time, so victims don't feel they can get help,’ she said.’
    confidential, strictly confidential, top secret, classified, restricted, unrevealed, undisclosed, unpublished, untold, unknown, uncommunicated, behind someone's back, under wraps, unofficial, off the record, not for circulation, not for publication, not to be made public, not to be disclosed
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Pronunciation

hush-hush

/ˈˌhəSH ˈˌhəSH/