Pronunciation: [ˌɒn kwˈi vˈa͡ɪv] (IPA) 
"On qui vive" is a French phrase meaning "on the alert" or "on the lookout." It is spelled with the letters O-N, followed by the French words QUI and VIVE. The pronunciation of the phrase in French is /ɔ̃ ki viv/, with emphasis on the second syllable of "vive." The letters Q and U in "qui" are pronounced as /k/ and /i/ respectively. The word "vive" is pronounced as /viv/, with a silent final e.
On qui vive is a French expression, which is also sometimes used in English, that refers to being vigilant, alert, or watchful. The term is derived from the French phrase "qui vive," which means "long live who?" or "who goes there?" Typically used in military contexts, on qui vive conveys a state of heightened awareness and wariness, particularly when on the lookout for potential danger or threat.
When someone is on qui vive, they are acutely attentive to their surroundings, actively scanning for any signs of caution or potential risk. This can involve staying on guard, being prepared for unexpected developments, or closely monitoring for any suspicious activity. Individuals on qui vive may exhibit heightened senses, maintaining heightened levels of situational awareness, and responding promptly to any perceived alarms or indications of danger.
Furthermore, the term "on qui vive" is sometimes employed metaphorically to describe a state of mental or emotional preparedness. It signifies being mentally alert and receptive to unforeseen opportunities, challenges, or changes in a particular situation. In this sense, being on qui vive implies being ready to adapt quickly, make informed decisions, and respond effectively to any emerging circumstances.
Overall, on qui vive embodies a sense of constant vigilance and attentiveness, irrespective of the situation or environment, to ensure one remains cognizant and responsive to potential threats or opportunities.
