qui vive

[ kee veev ]
/ ki ˈviv /

who goes there? (used as a sentry's challenge)

Idioms for qui vive

    on the qui vive, on the alert; watchful: Special guards were on the qui vive for trespassers.

Origin of qui vive

1720–30; < French: literally, (long) live who? (i.e., on whose side are you?)

British Dictionary definitions for on the qui vive

qui vive
/ (ˌkiː ˈviːv) /

noun

on the qui vive on the alert; attentive

Word Origin for qui vive

C18: from French, literally: long live who?, sentry's challenge (equivalent to "To whose party do you belong?" or "Whose side do you support?")

Idioms and Phrases with on the qui vive

on the qui vive

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.