Meaning of the word "sell someone down the river" in English

What does "sell someone down the river" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sell someone down the river

US /sel ˈsʌm.wʌn daʊn ðə ˈrɪv.ər/
UK /sel ˈsʌm.wʌn daʊn ðə ˈrɪv.ər/
"sell someone down the river" picture

Idiom

1.

to betray someone for one's own benefit, especially someone who trusts you

Example:
I can't believe he would sell me down the river after all we've been through.
The politician was accused of selling his constituents down the river by voting against their interests.
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