Behind your back Meaning in English
expression
Definition
If someone does something 'behind your back', they do it secretly without you knowing, often in a way that betrays your trust or goes against your interests.
Usage & Nuances
Common in informal speech for dishonesty or betrayal. Often used for gossip, criticism, or actions someone would oppose if they knew. Pairs with 'talk', 'do', 'go', etc.: 'talk behind your back', 'do something behind your back'. Not literal.
Example Sentences
She talked about me behind your back.
basic
I don't like when people do things behind your back.
basic
They made a plan behind your back.
basic
If you have a problem, don't talk behind your back—just tell me.
natural
I found out my coworkers were meeting behind your back to discuss the project.
natural
He bought the car behind your back so you wouldn't know.
natural