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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of red flag
Powers found a litany of red flags among the entities that had gotten bank accounts and received Kevin’s funds.
—
Cezary Podkul, ProPublica, 25 June 2025
Cloned devices are often priced much lower than genuine products, which should raise a red flag and prompt further investigation.
—Kat De Naoum, Better Homes & Gardens, 24 June 2025
If there’s no training, supervision, or skill-building plan, that’s a red flag.
—Blaine Callahan, Hartford Courant, 24 June 2025
Here are eight workout red flags worth paying attention to, why these symptoms matter, and what to do about them.
—Cindy Kuzma, SELF, 23 June 2025
See All Example Sentences for red flag
Cezary Podkul, ProPublica, 25 June 2025
Cloned devices are often priced much lower than genuine products, which should raise a red flag and prompt further investigation.
—Kat De Naoum, Better Homes & Gardens, 24 June 2025
If there’s no training, supervision, or skill-building plan, that’s a red flag.
—Blaine Callahan, Hartford Courant, 24 June 2025
Here are eight workout red flags worth paying attention to, why these symptoms matter, and what to do about them.
—Cindy Kuzma, SELF, 23 June 2025
See All Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
-
There's two options with the switch: the first will turn on a red light, to tell you the thermal brush is heating up.—
Nena Farrell,
Wired News,
20 June 2025
-
Lamping allegedly ran a red light at the intersection of the two roads, and the Chevrolet pickup struck the driver’s side of the Toyota at highway speed, the highway patrol said.—
Kendrick Calfee,
Kansas City Star,
18 June 2025
Noun
-
While major plot developments have been withheld to preserve the viewing experience, the network has requested spoiler warnings on all reviews.—
Alison Herman,
Variety,
26 June 2025
-
Many of the latest driver-assist safety systems like forward automatic emergency braking and blind spot warning abound in this segment to protect one’s most-precious cargo.—
Jim Gorzelany,
Forbes.com,
26 June 2025
Noun
-
District administrators said the signs — including one displaying open hands of different skin tones — violated West Ada’s district policy.—
Emma Epperly,
Idaho Statesman,
28 June 2025
-
Moon sign planting dates Above-ground crops: 1, 4, 5, 6, 9, 10, 27, 28, 31 Below-ground crops: 14, 15, 18, 19, 22, 23 Control weeds: 11, 12, 13, 20, 21 Prune trees and shrubs: 7, 8, 16, 17, 24, 25, 26 3.—
Tom MacCubbin,
The Orlando Sentinel,
28 June 2025
Cite this Entry
“Red flag.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20flag. Accessed 4 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share