red alert


: the final stage of alert in which enemy attack appears imminent
broadly : a state of alert brought on by impending danger

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Example Sentences

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 The Coosa fared a little better, with only one red alert and four yellow alerts for E. coli. Dennis Pillion |, al, 3 Sep. 2022 In the city of Chongqing, which has also been under a red alert, the heat caused a museum roof to melt. Alexandra Meeks, CNN, 22 July 2022 China issued its highest red alert heat warning for at least 138 cities and counties across the country on Wednesday, and another 373 were placed under the second-highest orange alert, the Meteorological Administration said. Wayne Chang, Simone Mccarthy And Shawn Deng, CNN, 17 Aug. 2022 In Shanghai, authorities raised the highest-level red alert Sunday as temperatures hit 40 degrees Celsius (104 Fahrenheit). Nectar Gan, CNN, 13 July 2022 Thousands of firefighters in Portugal fought four infernos, with five regions in the country’s center and north on red alert Friday because of extremely hot weather. Washington Post, 16 July 2022 Bookman explained that a town could be in the red alert level with 15 cases per 100,000 residents, but 25 is the threshold for closing schools. Steve Smith,, 4 Dec. 2020 Though 27 counties were listed for red alert this week, the number has shrunk over the last couple of months. Rich Exner, cleveland, 13 May 2021 Many analysts and asset managers are warning that today’s market is flashing a red alert. Jason Zweig, WSJ, 11 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'red alert.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of red alert was in 1941

Dictionary Entries Near red alert

Cite this Entry

“Red alert.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2022.

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Last Updated: 29 Sep 2022

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