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
Los Angeles County Fire Chief Anthony Marrone explained that the fire remains a threat as long as red flag conditions persist.
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Hannah Parry, Newsweek, 11 Dec. 2024
What to know about the Franklin fire in Malibu
This week’s red flag warnings brought a threat of wildfires that was realized late Monday when a blaze broke out in Malibu, prompting mass evacuations of nearby homes and forcing students and staff at Pepperdine University to shelter in place.
—Ryan Fonseca, Los Angeles Times, 11 Dec. 2024
There are still red flag warnings in place for the Franklin Fire, which has forced evacuation orders and warnings for over 20,000 residents.
—Ilana Kaplan, People.com, 11 Dec. 2024
So any finance solutions that lack this flexibility and risk spreading their attention too thin is a major red flag.
—Jeppe Rindom, Forbes, 9 Dec. 2024
See all Example Sentences for red flag 
Hannah Parry, Newsweek, 11 Dec. 2024
What to know about the Franklin fire in Malibu
This week’s red flag warnings brought a threat of wildfires that was realized late Monday when a blaze broke out in Malibu, prompting mass evacuations of nearby homes and forcing students and staff at Pepperdine University to shelter in place.
—Ryan Fonseca, Los Angeles Times, 11 Dec. 2024
There are still red flag warnings in place for the Franklin Fire, which has forced evacuation orders and warnings for over 20,000 residents.
—Ilana Kaplan, People.com, 11 Dec. 2024
So any finance solutions that lack this flexibility and risk spreading their attention too thin is a major red flag.
—Jeppe Rindom, Forbes, 9 Dec. 2024
See all Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
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This trending red light therapy device is the latest launch from Therabody and a Glamour-editor favorite fitness gadget (including our editor in chief Samantha Barry).Brigitt Earley, Glamour, 6 Dec. 2024
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This segues to another one of the niche’s anti-inflammatory technologies: LED face masks, or red light therapy.Jessica Ourisman, Forbes, 3 Dec. 2024
Noun
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Their visit to Capitol Hill also came with a warning to lawmakers – join Trump in making cuts or pay the price.Melissa Cruz, USA TODAY, 11 Dec. 2024
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More than 12 million people across the region are under red flag warnings through Wednesday.Alexandra Banner, CNN, 10 Dec. 2024
Noun
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Symptoms like snoring, mouth breathing and a constant open-lip position are common signs.Maria Sokolina, Forbes, 12 Dec. 2024
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The barrier repair skin-care genre is showing no signs of slowing down.Victoria Moorhouse, Allure, 12 Dec. 2024
Thesaurus Entries Near red flag
Cite this Entry
“Red flag.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20flag. Accessed 22 Dec. 2024.
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