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
Jared Wiley was credited with the tackle, but several Chiefs were in on the stop.
—
Blair Kerkhoff, Kansas City Star, 5 Jan. 2026
When the success of the short hit, the group decided to keep that gritty element to the songs, even as big names like Rihanna and Justin Timberlake joined in on the fun.
—Angela Andaloro, PEOPLE, 2 Jan. 2026
Both rivals come blazing in on six-game win streaks.
—Greg Cote
january 1, Miami Herald, 1 Jan. 2026
On a roll, the former late-night host then suggested a variation of the scenario, in which Rudd gets the fictional doctor in on it, and Rudd, the doctor, and O'Brien all look at his medical scans together.
—Lauren Huff, Entertainment Weekly, 31 Dec. 2025
See All Example Sentences for in on
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Blair Kerkhoff, Kansas City Star, 5 Jan. 2026
When the success of the short hit, the group decided to keep that gritty element to the songs, even as big names like Rihanna and Justin Timberlake joined in on the fun.
—Angela Andaloro, PEOPLE, 2 Jan. 2026
Both rivals come blazing in on six-game win streaks.
—Greg Cote
january 1, Miami Herald, 1 Jan. 2026
On a roll, the former late-night host then suggested a variation of the scenario, in which Rudd gets the fictional doctor in on it, and Rudd, the doctor, and O'Brien all look at his medical scans together.
—Lauren Huff, Entertainment Weekly, 31 Dec. 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 10 Jan. 2026.
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