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
In California, a red flag warning had also been issued.
—
Kate Plummer, MSNBC Newsweek, 20 May 2025
Once the overhead bins are full, gate agents start checking all remaining bags—and if your pillowcase raises any red flags, it could be taken and checked to your final destination.
—Alesandra Dubin, Southern Living, 20 May 2025
Understanding the gravity of a red flag warning and adhering to these precautions is paramount in averting wildfires during these perilous conditions.
—Ca Weather Bot, Sacbee.com, 18 May 2025
While the Twins would like to demand a large package with how much control Buxton has available, his inability to stay healthy raises some red flags.
—Drew Vonscio, MSNBC Newsweek, 14 May 2025
See All Example Sentences for red flag
Kate Plummer, MSNBC Newsweek, 20 May 2025
Once the overhead bins are full, gate agents start checking all remaining bags—and if your pillowcase raises any red flags, it could be taken and checked to your final destination.
—Alesandra Dubin, Southern Living, 20 May 2025
Understanding the gravity of a red flag warning and adhering to these precautions is paramount in averting wildfires during these perilous conditions.
—Ca Weather Bot, Sacbee.com, 18 May 2025
While the Twins would like to demand a large package with how much control Buxton has available, his inability to stay healthy raises some red flags.
—Drew Vonscio, MSNBC Newsweek, 14 May 2025
See All Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
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Witnesses said that Pelkey was at a red light when Horcasitas pulled up behind him in a Volkswagen.—
Saleen Martin,
USA Today,
10 May 2025
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On the topic of disparities, Barone said over the last 10 years the numbers show when police use the traffic laws to focus on violations that are killing people like speeding, following too closely, running stop signs or red lights there is little disparity in the data.—
Sean Krofssik,
Hartford Courant,
9 May 2025
Noun
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Along with this stark warning, the history of these reports shows how activists have found ways to raise awareness about human rights around the world.—
Time,
Time,
21 May 2025
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The widespread nature of these outages is echoed by the Federal Aviation Administration’s own warnings.—
Melanie Hicken,
CNN Money,
21 May 2025
Noun
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Kayla gets back to their office to find that the official sign came in, and Jimmy put her name first.—
Jessica M. Goldstein,
Vulture,
23 May 2025
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After all, the year started with many signs indicating that 2025 could be a strong comeback year for initial public offerings.—
Lisya Bahar Manoah,
Forbes.com,
23 May 2025
Cite this Entry
“Red flag.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20flag. Accessed 30 May. 2025.
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