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sell down the river

phrase

as in sell (out)
to be unfaithful or disloyal to He didn't expect to be sold down the river by someone he had known for so long.

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Cite this Entry

“Sell down the river.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sell%20down%20the%20river. Accessed 4 Dec. 2025.

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