keep something dark

keep (something) dark

To hide or withhold knowledge of something from others; to keep something secret. Unfortunately, when you collaborate with large corporations, there is a lot of information they make you keep dark. She somehow managed to keep their relationship dark for over a year.
See also: dark, keep
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep something dark

If you keep something dark, you keep it a secret. She took pleasure in keeping dark the identity of the man who was coming.
See also: dark, keep, something
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

keep something dark

keep something secret from other people.
1993 New York Review of Books Ottoline was determined to keep her affair with Russell safe from Bloomsbury's prying eyes and she and Russell went to Feydeauesque lengths to keep their secret dark.
See also: dark, keep, something
Farlex Partner Idioms Dictionary © Farlex 2017

keep it/something ˈdark (from somebody)

(British English, informal) keep something secret: I’ve got a new job, but keep it dark, won’t you?
See also: dark, keep, something
Farlex Partner Idioms Dictionary © Farlex 2017
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