let someone in on a (little) secret

idiom

Definition of let someone in on a (little) secret

: to tell someone information that not many people know

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Dictionary Entries near let someone in on a (little) secret

let sleeping dogs lie

let (someone) down easy/gently

let (someone) have it

let someone in on a (little) secret

let (someone) in on (something)

let someone know

let (someone) off the hook

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