✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nordstrom Brushed Hacci Pajamas These adorable pajamas are subtly festive and perfect for snuggling up in on Christmas morning. Alicia Geigel, Southern Living, 28 Nov. 2025 The process is designed to get you in on the action quickly, perfect for those looking to capitalize on Thursday's primetime showdown. Tyler Everett, MSNBC Newsweek, 28 Nov. 2025 The Just a Little Shady podcast host and daughter of rapper Eminem let fans in on the magic of Elliot’s very first holiday season by posting an Instagram video of her son watching his grandpa perform live. Valerie Mesa, PEOPLE, 27 Nov. 2025 Then, with 27 seconds to play and Minnesota down five, Randle was unable to get the inbound in on time when his primary target, Edwards, was denied by Gilgeous-Alexander. Jace Frederick, Twin Cities, 27 Nov. 2025 See All Example Sentences for in on

Browse Nearby Words

Cite this Entry

“In on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20on. Accessed 1 Dec. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!