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
Synonyms & Similar Words
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Example Sentences
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Recent Examples of red alert
Losing Jackson for any more games would certainly put the franchise on a red alert situation, as Cooper Rush did not spark much confidence in his starts with Jackson out.
—
James Brizuela, MSNBC Newsweek, 21 Nov. 2025
On Saturday, the South and Grand’Anse regions of Haiti were both upgraded to red alerts by the National Disaster Risk Management System.
—David J. Neal, Miami Herald, 26 Oct. 2025
The art community is on red alert.
—Lionel Laurent, Twin Cities, 24 Oct. 2025
The Sooners’ struggles of the past three years were a red alert that something had to change both on and off the field if this blue blood was going to stay one.
—Chris Vannini, New York Times, 9 Oct. 2025
See All Example Sentences for red alert
James Brizuela, MSNBC Newsweek, 21 Nov. 2025
On Saturday, the South and Grand’Anse regions of Haiti were both upgraded to red alerts by the National Disaster Risk Management System.
—David J. Neal, Miami Herald, 26 Oct. 2025
The art community is on red alert.
—Lionel Laurent, Twin Cities, 24 Oct. 2025
The Sooners’ struggles of the past three years were a red alert that something had to change both on and off the field if this blue blood was going to stay one.
—Chris Vannini, New York Times, 9 Oct. 2025
See All Example Sentences for red alert
Recent Examples of Synonyms for red alert
Noun
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The watch is for Leavenworth, Wyandotte, Johnson, Platte, Clay, Jackson, Atchison, Miami, Linn, Doniphan, Nodaway, Worth, Gentry, Harrison, Mercer, Holt, Andrew, De Kalb, Daviess, Buchanan, Clinton, Caldwell, Ray and Cass counties.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
27 Mar. 2026
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Cries from the group were heard over the sounds of the end-of-watch call booming through the park.—
Jake Goodrick,
Sacbee.com,
26 Mar. 2026
Noun
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A lot of this involves watchfulness—noticing what the preferring mind (that is, the editing mind) as put in place, and accepting it, and building upon it.—
Literary Hub,
Literary Hub,
27 Jan. 2026
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This patience is watchfulness, not idleness.—
Francois Botha,
Forbes.com,
7 Sep. 2025
Noun
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Be sure to sign up for text alerts and follow us on Instagram, TikTok and Flipboard to stay updated!—
Kasey Caminiti,
USA Today,
25 Mar. 2026
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That sense of normalcy largely held until Wednesday evening, when emergency alerts began chiming on phones across Riyadh, warning residents of an aerial threat and instructing them to remain indoors and away from windows.—
Manal Albarakati,
semafor.com,
25 Mar. 2026
Noun
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However its active compounds, which can trigger euphoria or alertness, are technically listed as psychotropic substances, creating a complex legal gray area in Kenya.—
Joseph Maina,
semafor.com,
27 Mar. 2026
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Human tissues can respond to light in ways that extend beyond vision — through photoreceptor signalling in the eye that regulates circadian rhythms, mood, alertness and other functions, as well as through light-sensitive metabolic processes in cells.—
Lynne Peeples,
Scientific American,
26 Mar. 2026
Noun
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Both officials emphasized the need for unity and continued vigilance, promising to support efforts that prevent further violence in the community.—
CBS News Atlanta Staff,
CBS News,
23 Mar. 2026
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Fires on boats are generally a springtime occurrence and with a little vigilance such occurrences can be prevented.—
Stephen Underwood,
Hartford Courant,
17 Mar. 2026
Cite this Entry
“Red alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20alert. Accessed 29 Mar. 2026.
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