be in on
Idioms-
see in on.
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Also, get in on. Be or become a participant; be or become one of a group who have information. For example, Is she in on our secret? or I'd like to get in on this venture. [c. 1920] Also see barge in on; ground floor (get in on the); in good with.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For as out of touch with the common person as she can arguably be, Paltrow always seems to be in on the joke.
From Salon ● Dec. 22, 2025
Soon, his campaign had attracted thousands of Gen Z “followers” who were delighted to be in on the joke.
From Slate ● Apr. 7, 2024
"I'm at an alert status that I've never had to be in on a Boeing airplane," he says.
From BBC ● Mar. 16, 2024
The audience is primed to be in on the joke, but the precise nature of the joke will take some time to sort out.
From Los Angeles Times ● Jan. 24, 2024
In this way we built up a list of people we knew to be in on the plot—guardians and students whom we declared our sworn enemies.
From "Never Let Me Go" by Kazuo Ishiguro
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
