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View synonyms for on the qui vive

on the qui vive



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Idioms and Phrases

On the alert, vigilant, as in The police have been warned to be on the qui vive for terrorists . This expression, containing the French words for “[long] live who?” originated as a sentinel's challenge to determine a person's political sympathies. The answer expected of allies was something like vive le roi (“long live the king”). It was taken over into English with its revised meaning in the early 1700s, the first recorded use being in 1726.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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on the Q.T.on the rack