Dictionary.com
Thesaurus.com
Synonyms

let in on

Idioms  
  1. Allow someone to know about or participate in something, as in I'm going to let you in on a little secret. This idiom was first recorded in 1904.


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.

But L.A.’s most cherished landmarks belong to us and us alone, a secret you’re let in on if you live here long enough and pay attention.

From Los Angeles Times • Apr. 17, 2026

Seeing the rest of the exhibition feels like being let in on a secret.

From New York Times • Oct. 9, 2022

When I was finally let in on the secret, I was taken by surprise.

From Washington Post • Dec. 16, 2021

For all the years they have been around, discovering their utility for anxiety can still feel like being let in on a secret.

From Slate • Jun. 25, 2019

No matter what, no new girl was going to be let in on the Egypt Game.

From "The Egypt Game" by Zilpha Keatley Snyder