red-flag

1 of 2

verb

red-flagged; red-flagging; red-flags

transitive verb

: to identify or draw attention to (a problem or issue to be dealt with)
Those who voice the most displeasure in their marriage, are more likely to complain about their partner's weight, Newport adds, which may help counselors red-flag weakening relationships before it's too late.Matthew J. Cravatta
Drug testing, detailed questions about previous employment history, and criminal-record checks go a long way toward red-flagging risks.Anne Fisher
We met, we got along great, and I [Spike Lee] told her, "Not only do I want you to work with the actors, but I want you to look at this script. I am a man, and I know there's going to be stuff in there that's strictly from a male viewpoint—I want you to red-flag that stuff."Anne Stockwell

red flag

2 of 2

noun

plural red flags
: a warning signal or sign
A high body-mass index is a red flag in general to clinicians. But sudden, unexplained weight loss can be even more worrisome.Melinda Beck
: something that indicates or draws attention to a problem, danger, or irregularity
Interested large investors often send in their own CPAs to conduct complete audits to verify statements or to spot red flags, such as excessively old inventory or uncollectible accounts receivable.Inc.
Whether you're dating a potential gold digger or are surrounded by friends who are constantly asking for handouts, you'll want to protect your money from those kinds of drains. Watch out for red flags such as dishonesty, secrecy around money matters and requests to co-sign a loan.Kimberly Palmer
Though Kearse did not take legal possession of the car until Jan. 4, 1999, after his eligibility had expired, the purchase raised red flags. [=aroused suspicions of wrongdoing]L. Jon Wertheim
see also red flag law

Examples of red-flag in a Sentence

Noun Gaps in your employment history are red flags to employers. the résumé she accidentally left on the office printer was a red flag that she was planning to quit
Recent Examples on the Web
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Noun
Another easy indicator or red flag to watch for is whether the message was part of a group text or sent to other people. Zak Doffman, Forbes.com, 8 Apr. 2025 Saturday’s practice session had faced two red flags due to fires near the track. Madeline Coleman, New York Times, 5 Apr. 2025 The dramatic scenes came after Friday’s practice session had seen four red flags, two of which were due to trackside fires, apparently caused by sparks from the cars’ skid blocks landing on the dry grass. Jamie Barton, CNN Money, 5 Apr. 2025 The idea of having Big Government meddle in personal reproductive decisions should raise a red flag for anyone who cares about personal freedoms. Rachel Marsden, Hartford Courant, 2 Apr. 2025 See All Example Sentences for red-flag

Word History

First Known Use

Verb

1962, in the meaning defined above

Noun

1748, in the meaning defined above

Time Traveler
The first known use of red-flag was in 1748

Browse Nearby Words

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Cite this Entry

“Red-flag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red-flag. Accessed 13 Apr. 2025.

Kids Definition

red-flag

1 of 2 verb
: to identify or draw attention to (a problem or issue)

red flag

2 of 2 noun
: a warning signal or sign
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