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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.

Members of the public have been urged to "make every effort to be in" on Sunday as around 100 engineers make their way around homes.

From BBC • Jan. 4, 2026

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

It was all about youth, attention, and a willingness to be in on the joke, even when we were the punch line.”

From Slate • May 12, 2025

The audience is primed to be in on the joke, but the precise nature of the joke will take some time to sort out.

From Los Angeles Times • Jan. 24, 2024

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

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