keep (something) on the hush-hush(redirected from keeps something on the hush-hush)
keep (something) on the hush-hush
To keep something in a state of secrecy or minimal public knowledge; to allow something to be known only by a select few people. I need to tell you something, but you have to keep it on the hush-hush, OK? I just found out John and Tracey are getting married soon, but I have to keep the news on the hush-hush!
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