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.
“More mainstream people are going to be in on the R2, especially for the lower-priced models,” auto analyst Brian Moody said.
From Los Angeles Times ● Jun. 10, 2026
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
Even bridal wear can be in on the act, with pregnancies “showcased even as women walk down the aisle.”
From Slate ● Jul. 21, 2025
The big difference between Telegram and similar services like WhatsApp is the size of groups you can be in on Telegram.
From BBC ● Aug. 26, 2024
Cal said, “She might as well be in on it. I decided to do it Thanksgiving, and Abra’ll probably be around and Aron will be home.”
From "East of Eden" by John Steinbeck
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.
