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
The beloved comediennes locked in on a PG-13 field trip when asked about on-set memories in a Vanity Fair retrospective published Tuesday.
—
Ryan Coleman, Entertainment Weekly, 26 Feb. 2026
Fans on social media are in full support of Ina’s snow day activities, with several inviting themselves over to join in on the fun.
—Melinda Salchert, Southern Living, 26 Feb. 2026
During the pilot, JD reported a 12 percent increase in on-shelf availability, a 20 percent improvement in restocking speed and a 95 percent increase in items located during inventory checks.
—Alexandra Harrell, Sourcing Journal, 26 Feb. 2026
Even Irving Langmuir joined in on the praise of his associate, which no doubt pleased her immensely.
—Natalia Sánchez Loayza, Scientific American, 26 Feb. 2026
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Ryan Coleman, Entertainment Weekly, 26 Feb. 2026
Fans on social media are in full support of Ina’s snow day activities, with several inviting themselves over to join in on the fun.
—Melinda Salchert, Southern Living, 26 Feb. 2026
During the pilot, JD reported a 12 percent increase in on-shelf availability, a 20 percent improvement in restocking speed and a 95 percent increase in items located during inventory checks.
—Alexandra Harrell, Sourcing Journal, 26 Feb. 2026
Even Irving Langmuir joined in on the praise of his associate, which no doubt pleased her immensely.
—Natalia Sánchez Loayza, Scientific American, 26 Feb. 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 3 Mar. 2026.
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