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
In Illinois, Ellis drilled in on a particularly controversial confrontation between Border Patrol agents and civilians in Chicago’s Little Village on October 23, during which Bovino and his agents unleashed tear gas and flashbangs on an angry crowd.
—
Elizabeth Wolfe, CNN Money, 29 Jan. 2026
Fourteen other countries have joined in on that petition.
—Jackson Thompson, FOXNews.com, 29 Jan. 2026
Only Gladden was not in on the elaborate prank.
—Tony Maglio, HollywoodReporter, 29 Jan. 2026
Some have argued that OpenAI itself could be a house of cards that’s one run on the banks away from collapsing in on itself.
—Victor Tangermann, Futurism, 29 Jan. 2026
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Elizabeth Wolfe, CNN Money, 29 Jan. 2026
Fourteen other countries have joined in on that petition.
—Jackson Thompson, FOXNews.com, 29 Jan. 2026
Only Gladden was not in on the elaborate prank.
—Tony Maglio, HollywoodReporter, 29 Jan. 2026
Some have argued that OpenAI itself could be a house of cards that’s one run on the banks away from collapsing in on itself.
—Victor Tangermann, Futurism, 29 Jan. 2026
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 30 Jan. 2026.
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