in on

(redirected from let someone in on something)

*in on something

 
1. involved with something, such as an organization or an idea; informed about special plans. (*Typically: be ~; come ~; get ~; let someone ~.) There is a party upstairs, and I want to get in on it. I want to get in on your club's activities. Mary and Jane know a secret, but they won't let me in on it.
2. receiving a share of something. (*Typically: be ~; Come ~; get ~; let someone ~.) I want to get in on the new European business that is supposed to develop. We will all want to get in on the scheme.
See also: on

in on something

doing something with others I wasn't in on planning the party.
Usage notes: often used in the form get in on something: Let's go! Don't you want to get in on the fun?
Related vocabulary: horn in (on somebody/something)
See also: on

in on

Informed about; participating in: Only one business partner was not in on the illegal scheme.
See also: on