red alert
noun
: the final stage of alert in which enemy attack appears imminent
broadly
: a state of alert brought on by impending danger
Examples of red alert in a Sentence
The troops have been put on red alert.
the paparazzi were on red alert for sightings of the hot new Hollywood couple
Recent Examples on the Web
On Saturday, Italy’s Health Ministry said 18 cities — including the most popular tourism hubs such as Venice, Florence, Bologna and Milan — were on red alert due to danger posed by the high temperatures.
—
Kirsten Grieshaber,
Los Angeles Times,
27 June 2026
Three-quarters of France, encompassing tens of millions of people, was put under a red alert for extreme heat on Thursday and Friday as the mercury topped 40 C (104 F) in some locations, including in Paris.
—
Kirsten Grieshaber,
Fortune,
27 June 2026
Three-quarters of France, encompassing tens of millions of people, was put under a red alert for extreme heat on Thursday and Friday as the mercury topped 104 degrees in some locations, including in Paris.
—
CBS News,
27 June 2026
Also Saturday, Italy's health ministry said 18 cities -- including the most popular tourism hubs like Venice, Florence, Bologna and Milan -- were on red alert due to danger posed by the high temperatures.
—
Arkansas Online,
26 June 2026
See All Example Sentences for red alert
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Kirsten Grieshaber,
Los Angeles Times,
27 June 2026
Three-quarters of France, encompassing tens of millions of people, was put under a red alert for extreme heat on Thursday and Friday as the mercury topped 40 C (104 F) in some locations, including in Paris.
—
Kirsten Grieshaber,
Fortune,
27 June 2026
Three-quarters of France, encompassing tens of millions of people, was put under a red alert for extreme heat on Thursday and Friday as the mercury topped 104 degrees in some locations, including in Paris.
—
CBS News,
27 June 2026
Also Saturday, Italy's health ministry said 18 cities -- including the most popular tourism hubs like Venice, Florence, Bologna and Milan -- were on red alert due to danger posed by the high temperatures.
—
Arkansas Online,
26 June 2026
See All Example Sentences for red alert
Cite this Entry
“Red alert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20alert. Accessed 2 Jul. 2026.
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