in the know

Privy to special or secret information, as in Not too many people are in the know about this project. [Late 1800s]

Words Nearby in the know

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

How to use in the know in a sentence

In true Standard fashion, the hotel will be planning a number of in-the-know events this coming spring.
New York City’s Best New Hotspots This Spring | Sara Sayed, Valeriya Safronova | April 2, 2014 | THE DAILY BEAST

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