as in red light
something that tells of approaching danger or risk
the résumé she accidentally left on the office printer was a red flag that she was planning to quit
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Recent Examples of red flag
Brown views the militarization as a red flag rather than a reassurance.
—
Sarah Rumpf-Whitten, FOXNews.com, 1 Aug. 2025
Licensed firearms dealers are trained to spot red flags in a potential purchaser and act on those red flags.
—Stephanie Kuzydym, The Courier-Journal, 29 July 2025
Gun violence advocates say common-sense restrictions like red flag laws barring criminals and mentally ill people from buying weapons could stem the violence from mass shootings in American workplaces and schools.
—Dave Goldiner, New York Daily News, 29 July 2025
This warning is in effect until Friday at 11 p.m.
What is the significance of a red flag warning?
—Ca Weather Bot, Sacbee.com, 25 July 2025
See All Example Sentences for red flag
Sarah Rumpf-Whitten, FOXNews.com, 1 Aug. 2025
Licensed firearms dealers are trained to spot red flags in a potential purchaser and act on those red flags.
—Stephanie Kuzydym, The Courier-Journal, 29 July 2025
Gun violence advocates say common-sense restrictions like red flag laws barring criminals and mentally ill people from buying weapons could stem the violence from mass shootings in American workplaces and schools.
—Dave Goldiner, New York Daily News, 29 July 2025
This warning is in effect until Friday at 11 p.m.
What is the significance of a red flag warning?
—Ca Weather Bot, Sacbee.com, 25 July 2025
See All Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
-
Cargill fled, running a red light and traveling through a neighborhood at a high speed, according to the release.—
Arkansas Online,
Arkansas Online,
5 Aug. 2025
-
The ultra-portable Red Light Face Wand uses near-infrared and red light LEDs to stimulate collagen, reduce fine lines and improve tone and texture.—
Nicole Trilivas,
Forbes.com,
2 Aug. 2025
Noun
-
This warning is in effect until 8 p.m. During heat waves, consider the following tips from the NWS Stay hydrated: Drink plenty of fluids.—
CA Weather Bot,
Sacbee.com,
13 Aug. 2025
-
The warning is for Greene, Lenoir and Pitt counties.—
NC Weather Bot,
Charlotte Observer,
13 Aug. 2025
Noun
-
The two were not wealthy, but were driving a Hyundai Grandeur, a car that was considered a sign of wealth at the time.—
Kayti Burt,
Time,
15 Aug. 2025
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It will be closely monitored for signs that the two leaders could take steps toward a peace deal or ceasefire.—
Andrew Stanton,
MSNBC Newsweek,
15 Aug. 2025
Cite this Entry
“Red flag.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20flag. Accessed 20 Aug. 2025.
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