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

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Santa Claus even joined in on a couple of the pictures. Angel Saunders, PEOPLE, 26 Dec. 2025 Rye Lane is the best kind of metatextual romance, the sort that unabashedly indulges in the genre's greatest tropes but is always in on its own joke. Kevin Jacobsen, Entertainment Weekly, 25 Dec. 2025 Neighborhood kids would join in on our fun, along with their makeshift winter weather items—back then there was not a phone in sight. Katrina Donham, Parents, 25 Dec. 2025 If that time period expires without a decision, applicants may be able to petition for a federal judge to move the process along or, as in the case of a client of his in 2008, swear them in on the spot. Armando Garcia, ABC News, 23 Dec. 2025 See All Example Sentences for in on

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Cite this Entry

“In on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20on. Accessed 2 Jan. 2026.

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