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.
For the Fortune 500, the IT worker scheme has been a flashing red alert about the evolution of employment-fraud schemes. Amanda Gerut, Fortune, 4 Aug. 2025 In one of the latest instances of extreme weather, at least 30 people died this week on the outskirts of Beijing after the city issued the highest-level red alert for heavy rain, according to state media. Evelyn Cheng, CNBC, 31 July 2025 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 Over the weekend, Kerr County issued a code red alert because of an excessive rainfall forecast. Marlene Lenthang, NBC news, 14 July 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

Browse Nearby Words

Cite this Entry

“Red alert.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20alert. Accessed 9 Sep. 2025.

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