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

These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

The Valencian regional government is being criticized for not sending out flood warnings to people’s mobile phones until 8 p.m. on Tuesday, when the flooding had already started in some parts and well after the national weather agency had issued a red alert for heavy rains. —

Alberto Saiz, Los Angeles Times, 31 Oct. 2024 If his death was an online storm, then the weeks leading up to it were a red alert. —

Lucy Ford, TIME, 21 Oct. 2024 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 See all Example Sentences for red alert