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
-
On Wednesday, the intro to space class at Metropolitan State University of Denver held a watch party for the Artemis II mission launch.—
Olivia Young,
CBS News,
3 Apr. 2026
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If there is a potential for temperatures to fall into these thresholds, a freeze watch may be issued a few days ahead of time.—
CA Weather Bot,
Sacbee.com,
2 Apr. 2026
Noun
-
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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Blissfully, though, that means the Kardashians, Real Housewives, and ticker tape news alerts on CNN are thousands of miles away.—
Condé Nast,
Condé Nast Traveler,
31 Mar. 2026
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This release added a ton of stuff for swimmers, including depth tracking and water temperature sensors, as well as sleep apnea alerts for snorers.—
K. Thor Jensen,
PC Magazine,
31 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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While a watch urges vigilance and planning, a warning means immediate action is needed to stay safe and avoid travel unless absolutely necessary.—
Anna Skinner,
MSNBC Newsweek,
30 Mar. 2026
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Her vigilance is intimidating and alluring.—
James Folta,
Literary Hub,
25 Mar. 2026
Cite this Entry
“Red alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20alert. Accessed 3 Apr. 2026.
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