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to stab somebody in the back
[stab] in the back
to stab somebody in the back
01
to be disloyal and ungrateful to someone who has trusted or supported one
![to [stab] {sb} in the back definition and meaning](https://cdn.langeek.co/photo/44598/original/?type=jpeg "to [stab] {sb} in the back definition and meaning")
Idiom
Informal
What is the origin of the idiom "stab someone in the back" and when to use it?
The idiom "stab someone in the back" has origins that date back centuries and are rooted in the idea of treachery and betrayal. The expression draws a vivid image of someone being betrayed by a close friend or ally who literally stabs them from behind, catching them off guard. It is used to describe an act of betrayal or treachery by someone who was previously considered a friend, ally, or trusted individual. It suggests that the betrayal was done secretly or behind the person's back, without their knowledge or awareness.
Examples
I helped him get the job, and then he stabbed me in the back.
