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 People take cover during a red alert siren after a missile was fired from Yemen today in Nir Oz, Israel. NBC News, 8 Oct. 2024 On Monday, heavy rainfall continued to pummel the region with red alerts, the highest-level warning, still in effect for portions of Poland, Germany, the Czech Republic, Austria and Slovakia. Sophie Tanno, CNN, 16 Sep. 2024 Advertisement Los Cabos Civil Protection issued a red alert for Los Cabos and La Paz on Friday morning. Mariana Martínez Barba, Los Angeles Times, 13 Sep. 2024 The critical red alert to evacuate was issued late Monday evening warning of a wildfire south of the town. Marlene Lenthang, NBC News, 24 July 2024 See all Example Sentences for red alert 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'red alert.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20alert. Accessed 31 Oct. 2024.

Last Updated: - Updated example sentences
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