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Definitions

be in on

VERB
partake
Synonyms
STRONG
consume devour divide engage feed ingest participate receive sample savor sip take
WEAK
be a party to be into enter into get in the act have a finger in sit in sit in on take part tune in
Antonyms
STRONG
abstain collect gather give offer refuse reject shun starve
WEAK
refrain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For as out of touch with the common person as she can arguably be, Paltrow always seems to be in on the joke.

From Salon • Dec. 22, 2025

Its theatrical release will be in on Thanksgiving Day 2026 and premiere on Netflix on Christmas.

From Los Angeles Times • Jan. 17, 2025

The big difference between Telegram and similar services like WhatsApp is the size of groups you can be in on Telegram.

From BBC • Aug. 26, 2024

The Astros aren’t going away, and if they stay within striking distance deep into July you can be sure they’ll be in on some of the top starting pitchers available on the trade market.

From Seattle Times • Jun. 1, 2024

“We have to be in on the discussion. You, me, Hazel. I mean, if you’re willing...”

From "The Son of Neptune" by Rick Riordan

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.