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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

Even bridal wear can be in on the act, with pregnancies “showcased even as women walk down the aisle.”

From Slate • Jul. 21, 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

Homeland Security Secretary Alejandro Mayorkas and homeland security adviser Liz Sherwood-Randall will also be in on the meeting.

From Seattle Times • Dec. 26, 2023

Mapper didn’t want to disrupt the scheme, he just wanted to be in on the scheme.

From "Dactyl Hill Squad" by Daniel José Older