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Chinese Wall

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noun Informal.
an insuperable barrier or obstacle, as to understanding.
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Which of the following words describes “sky blue”?
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Origin of Chinese Wall

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use Chinese Wall in a sentence

British Dictionary definitions for Chinese Wall

Chinese wall

noun
a notional barrier between the parts of a business, esp between the market makers and brokers of a stock-exchange business, across which no information should pass to the detriment of clients
an insurmountable obstacle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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