as in watch
the state of being constantly attentive and responsive to signs of opportunity, activity, or danger
the paparazzi were on red alert for sightings of the hot new Hollywood couple
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Example Sentences
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Recent Examples of red alert
This isn’t the first time Martinelli’s attempts to leave Panama have been thwarted — previously, Nicaragua canceled his travel plans over fears of an Interpol red alert notice, which asks police agencies around the world to arrest someone on sight.
—
Antonio Maria Delgado, Miami Herald, 4 Apr. 2025
City authorities issued two red alerts for road ice and blizzard dangers, while several districts canceled classes for Monday, the Global Times reported.
—Jessie Yeung, CNN, 2 Mar. 2025
But with the Cannes Film Market just around the corner, industry are suddenly on red alert and the impact is already being felt.
—Andreas Wiseman, Deadline, 5 May 2025
The app uses an algorithm that warns patients using yellow or red alerts.
—IEEE Spectrum, 6 Mar. 2021
See All Example Sentences for red alert
Antonio Maria Delgado, Miami Herald, 4 Apr. 2025
City authorities issued two red alerts for road ice and blizzard dangers, while several districts canceled classes for Monday, the Global Times reported.
—Jessie Yeung, CNN, 2 Mar. 2025
But with the Cannes Film Market just around the corner, industry are suddenly on red alert and the impact is already being felt.
—Andreas Wiseman, Deadline, 5 May 2025
The app uses an algorithm that warns patients using yellow or red alerts.
—IEEE Spectrum, 6 Mar. 2021
See All Example Sentences for red alert
Recent Examples of Synonyms for red alert
Noun
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The 47-year-old has amassed quite the watch collection over the past two decades.—
Rachel Cormack,
Robb Report,
21 July 2025
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Almost 85 million Americans from South Dakota to Texas and North Carolina to Florida were already under National Weather Service extreme heat warnings, watches or advisories July 21.—
John Bacon,
USA Today,
21 July 2025
Noun
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Air quality alerts have also been issued across northern Minnesota and far north-west Indiana.—
Matthew Robinson,
MSNBC Newsweek,
15 July 2025
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Authorities also pushed alerts to the phones of those in the area.—
arkansasonline.com,
arkansasonline.com,
14 July 2025
Noun
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But with the right behavioral analytics and cross-functional vigilance, patterns emerge.—
Michael Barnhart,
Fortune,
3 July 2025
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While Austin’s crime trends are encouraging in some respects, ongoing challenges demand vigilance and adaptability.—
Daniel Fusch,
Austin American Statesman,
2 July 2025
Cite this Entry
“Red alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20alert. Accessed 25 Jul. 2025.
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