in on
idiom
: knowledgeable about (something) or involved in (something)
They were all in on the scheme.
I let them in on our little secret.
Examples of in on in a Sentence
Recent Examples on the Web
But federal prosecutors in Brooklyn say the ex-athletes and all the other players were in on a ruse, using technology to rig the outcome.
—
Preston Fore, Fortune, 25 Oct. 2025
When Walt and his wife started a popular fruit stand at the Pinecrest Farmers’ Market, Chefitz was right there, joining in on the fun.
—Lauren Costantino, Miami Herald, 25 Oct. 2025
The replies represented a generational divide, as some weren’t in on the joke and others enjoyed a laugh at the recall to his 2005 single, which topped the Billboard Hot 100 in 2006.
—Michael Saponara, Billboard, 24 Oct. 2025
Watermelon Pictures in on board as an executive producer to help with financing.
—Aaron Couch, HollywoodReporter, 24 Oct. 2025
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Preston Fore, Fortune, 25 Oct. 2025
When Walt and his wife started a popular fruit stand at the Pinecrest Farmers’ Market, Chefitz was right there, joining in on the fun.
—Lauren Costantino, Miami Herald, 25 Oct. 2025
The replies represented a generational divide, as some weren’t in on the joke and others enjoyed a laugh at the recall to his 2005 single, which topped the Billboard Hot 100 in 2006.
—Michael Saponara, Billboard, 24 Oct. 2025
Watermelon Pictures in on board as an executive producer to help with financing.
—Aaron Couch, HollywoodReporter, 24 Oct. 2025
See All Example Sentences for in on
Cite this Entry
“In on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20on. Accessed 29 Oct. 2025.
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