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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In fact, most of the state’s housing markets are in serious trouble, flashing red alert signs across key indicators. Alexander Puutio, Forbes.com, 18 July 2025 With the stock and bond markets blaring red alerts, Trump backed off some of his tariffs on April 9, triggering euphoria among investors. Rob Wile, NBC news, 4 May 2025 France's national weather agency kept four departments under red alert on Wednesday after temperatures exceeded 104 in many towns. arkansasonline.com, 3 July 2025 Climate damage costs are skyrocketing, climate science is sounding red alerts, and economic evidence points to a clear win: green investment can grow economies, create jobs, and protect communities. Felicia Jackson, Forbes.com, 21 June 2025 See All Example Sentences for red alert

Word History

First Known Use

1941, in the meaning defined above

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

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Cite this Entry

“Red alert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20alert. Accessed 20 Aug. 2025.

Last Updated: - Updated example sentences
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