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
When the mind finds itself in situations that even remotely resemble a painful past playing out again in the future, it is designed to raise red flags.
—
Gabby Herzig, New York Times, 13 Apr. 2025
Read — and listen — below for an exclusive excerpt from How to Giggle, all about spotting red flags in friendships.
—Carly Tagen-Dye, People.com, 11 Apr. 2025
The soil sampling, though limited in scope, raised serious red flags.
—Félix E. Rivera-Mariani, Sun Sentinel, 10 Apr. 2025
Of course, not every moment of comparison or jealousy is an immediate red flag, Suzanne Degges-White, PhD, LCPC, a licensed counselor and chair of the department of counseling and higher education at the Northern Illinois University College of Education, tells SELF.
—Jenna Ryu, SELF, 10 Apr. 2025
See All Example Sentences for red flag
Gabby Herzig, New York Times, 13 Apr. 2025
Read — and listen — below for an exclusive excerpt from How to Giggle, all about spotting red flags in friendships.
—Carly Tagen-Dye, People.com, 11 Apr. 2025
The soil sampling, though limited in scope, raised serious red flags.
—Félix E. Rivera-Mariani, Sun Sentinel, 10 Apr. 2025
Of course, not every moment of comparison or jealousy is an immediate red flag, Suzanne Degges-White, PhD, LCPC, a licensed counselor and chair of the department of counseling and higher education at the Northern Illinois University College of Education, tells SELF.
—Jenna Ryu, SELF, 10 Apr. 2025
See All Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
-
Fortunately, that did not take too long, and Tyrion soon started physical therapy and red light therapy.—
Saman Shafiq,
USA Today,
20 Apr. 2025
-
Members can opt for hyperbaric chambers as well as red light therapy and cryotherapy.—
Tanya Benedicto Klich,
Forbes.com,
14 Apr. 2025
Noun
-
The warning was released on Monday at 1:51 p.m., and the latest update about this incident was released on Monday at 1:53 p.m.—
Kansas City Star Bot,
Kansas City Star,
15 Apr. 2025
-
Strong winds are occurring but are not so strong as to warrant a High wind warning.—
NC Weather Bot,
Charlotte Observer,
15 Apr. 2025
Noun
-
In 2023 researchers led by Nikku Madhusudhan, an astrophysicist at the University of Cambridge, announced the first signs of dimethyl sulfide in K2-18 b’s atmosphere.—
Meghan Bartels,
Scientific American,
17 Apr. 2025
-
And by monitoring her behavior for any signs of complications.—
Thomas G. Moukawsher,
MSNBC Newsweek,
17 Apr. 2025
Cite this Entry
“Red flag.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20flag. Accessed 25 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share