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
Copied Share No impacts or injuries following sirens, says emergency services
Paul Goldman
Reporting from Tel Aviv
There have been no reports of rocket impacts or injuries, says Israel's emergency services, Magen David Adom, after red alert sirens sounded in areas across central Israel.
—
Sean Nevin, NBC News, 19 Jan. 2025
Mayotte issued a red alert and people were ordered to stay in their homes or find a solid shelter, and store food and water, as Tropical Storm Dikeledi brought heavy rains and strong winds to once again pound France’s poorest territory.
—Gerald Imray, Los Angeles Times, 12 Jan. 2025
The French national weather service issued a red alert for Mayotte, its highest warning level, starting Friday night.
—Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
In the case of the cold drop in Spain, the timely translation of the red alert into concrete actions on the ground failed.
—Geraldine Castro, WIRED, 28 Nov. 2024
See All Example Sentences for red alert
Sean Nevin, NBC News, 19 Jan. 2025
Mayotte issued a red alert and people were ordered to stay in their homes or find a solid shelter, and store food and water, as Tropical Storm Dikeledi brought heavy rains and strong winds to once again pound France’s poorest territory.
—Gerald Imray, Los Angeles Times, 12 Jan. 2025
The French national weather service issued a red alert for Mayotte, its highest warning level, starting Friday night.
—Stephan Pechdimaldji, Newsweek, 13 Dec. 2024
In the case of the cold drop in Spain, the timely translation of the red alert into concrete actions on the ground failed.
—Geraldine Castro, WIRED, 28 Nov. 2024
See All Example Sentences for red alert
Recent Examples of Synonyms for red alert
Noun
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More than 3 million people were under tornado watches in the region Friday afternoon.—
Hanna Park,
CNN Money,
4 Apr. 2025
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Moët is one of the ‘maisons’ that is part of the LVMH Group alongside brands such as Louis Vuitton, which has enjoyed extensive trackside advertising at races this year, and TAG Heuer, the watch brand which became F1’s official timekeeping partner for the 2025 season.—
Luke Smith,
New York Times,
4 Apr. 2025
Noun
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Get security alerts & expert tech tips – sign up for Kurt’s ‘The CyberGuy Report’ now.—
Kurt Knutsson, CyberGuy Report,
FOXNews.com,
9 Apr. 2025
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The alert, relayed by the National Weather Service, warns that weather conditions are conducive to producing high levels of ozone pollution, prompting officials to advise millions to take specific measures that can reduce emissions—including avoiding drive-thru lanes.—
Raja Krishnamoorthi,
MSNBC Newsweek,
9 Apr. 2025
Noun
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In summary, when facing the threat of lightning, vigilance and preparedness are your best allies.—
Bay Area Weather Report,
Mercury News,
2 Apr. 2025
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Regardless of the outcome, encountering a breach of fiduciary duty is a powerful reminder of the importance of vigilance.—
True Tamplin,
Forbes.com,
31 Mar. 2025
Cite this Entry
“Red alert.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20alert. Accessed 16 Apr. 2025.
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