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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Recent Examples of red alert
The app uses an algorithm that warns patients using yellow or red alerts.
—
IEEE Spectrum, 6 Mar. 2021
Parts of northern Madagascar were also placed under red alert.
—Gerald Imray, Los Angeles Times, 12 Jan. 2025
And so, yes, this is a red alert moment when this entire country has to understand that our democracy is at risk.
—ABC News, 9 Feb. 2025
The need for, essentially, a red alert for a red alert became clear after the devastating Thomas fire of 2017, which destroyed 1,063 structures in Ventura and Santa Barbara counties; and the Woolsey fire of 2018, which destroyed 1,643 structures in Los Angeles and Ventura counties.
—Rong-Gong Lin Ii, Los Angeles Times, 20 Jan. 2025
See All Example Sentences for red alert
IEEE Spectrum, 6 Mar. 2021
Parts of northern Madagascar were also placed under red alert.
—Gerald Imray, Los Angeles Times, 12 Jan. 2025
And so, yes, this is a red alert moment when this entire country has to understand that our democracy is at risk.
—ABC News, 9 Feb. 2025
The need for, essentially, a red alert for a red alert became clear after the devastating Thomas fire of 2017, which destroyed 1,063 structures in Ventura and Santa Barbara counties; and the Woolsey fire of 2018, which destroyed 1,643 structures in Los Angeles and Ventura counties.
—Rong-Gong Lin Ii, Los Angeles Times, 20 Jan. 2025
See All Example Sentences for red alert
Recent Examples of Synonyms for red alert
Noun
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And while only the ultra-wealthy may get to wear the future first, the ripple effects of these horological marvels will ultimately shape the watches of tomorrow for everyone.—
Paige Reddinger,
Robb Report,
15 June 2025
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The watch is for Western Currituck and Eastern Currituck as well as Northampton, Hertford, Gates, Pasquotank, Camden, Bertie, Chowan and Perquimans counties.—
NC Weather Bot,
Charlotte Observer,
15 June 2025
Noun
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The traffic alert was reported Friday at 4:32 p.m., and the most recent report regarding this incident was released on Friday at 4:58 p.m. Warning: Crash on eastbound K-10 in Olathe A crash has been reported on K-10 between South Woodland Street and Renner Boulevard.—
Kansas City Star,
Kansas City Star,
8 June 2025
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The Los Angeles Police Department (LAPD) declared an unlawful assembly near Alameda and Temple streets after reports that protesters threw concrete pieces at officers, authorizing less-lethal munitions and initiating a citywide tactical alert.—
Adeola Adeosun,
MSNBC Newsweek,
8 June 2025
Noun
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The kind of vigilance that steps into the comment section when needed.—
Brent Gleeson,
Forbes.com,
6 June 2025
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Social engineering attacks rely on trust, and vigilance is key.—
Kurt Knutsson,
FOXNews.com,
4 June 2025
Cite this Entry
“Red alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20alert. Accessed 18 Jun. 2025.
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