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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Example Sentences
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Recent Examples of red flag
Free money offers: Whether in cash or crypto, offers of free money are always a red flag.
—
Roxanne Doss, Kansas City Star, 29 Jan. 2025
Watch for red flags in voicemails: Be wary of messages with vague details, generic names, or urgent demands for a callback.
—Staff Report, Hartford Courant, 29 Jan. 2025
Related Articles Grading The Week: Has Broncos’ Pat Surtain II passed Champ Bailey, Louis Wright as greatest Denver cornerback?
Keeler: Avalanche trade of Mikko Rantanen to Carolina raises red flags.
—Sean Keeler, The Denver Post, 27 Jan. 2025
There have been red flag warnings in some part of Southern California for 15 of the last 18 days, which are set to end at 10 a.m. Friday.
—Rong-Gong Lin Ii, Los Angeles Times, 24 Jan. 2025
See all Example Sentences for red flag 
Roxanne Doss, Kansas City Star, 29 Jan. 2025
Watch for red flags in voicemails: Be wary of messages with vague details, generic names, or urgent demands for a callback.
—Staff Report, Hartford Courant, 29 Jan. 2025
Related Articles Grading The Week: Has Broncos’ Pat Surtain II passed Champ Bailey, Louis Wright as greatest Denver cornerback?
Keeler: Avalanche trade of Mikko Rantanen to Carolina raises red flags.
—Sean Keeler, The Denver Post, 27 Jan. 2025
There have been red flag warnings in some part of Southern California for 15 of the last 18 days, which are set to end at 10 a.m. Friday.
—Rong-Gong Lin Ii, Los Angeles Times, 24 Jan. 2025
See all Example Sentences for red flag
Recent Examples of Synonyms for red flag
Noun
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The ordinance also established that motorists were allowed to make right turns at red lights.—
Ryan Fonseca,
Los Angeles Times,
24 Jan. 2025
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Treatment with red light therapy involves exposure to red light at a very low dose in a hospital or clinic.—
Praveen Arany,
The Conversation,
24 Jan. 2025
Noun
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The warning was issued at 11:20 a.m. on Sunday, and the latest update about this incident was released on Sunday at 5:48 p.m.—
Kansas City Star Bot,
Kansas City Star,
2 Feb. 2025
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Bores wrote in his 1590 chapbook a year later that Stumpp’s head was also severed from his body and placed upon a stake, providing a gruesome warning to the community.—
Sean Neumann,
People.com,
1 Feb. 2025
Noun
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Yet, 50 Cent has already threatened that the next season of BMF will be its last, a sign that Flenory’s relationship with the Flenory family may be beyond repairable.—
Preezy Brown,
VIBE.com,
4 Feb. 2025
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Beyoncé had revealed that she was gong on tour earlier in the day, teasing her 313 million followers with a video of a sign hanging over a desert floor that repeatedly lit up with the words 'COWBOY CARTER TOUR' in big bright block letters.—
Escher Walcott,
People.com,
3 Feb. 2025
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 10 Feb. 2025.
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