red flag

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If you keep hearing that your organization seeks “quick, agile, imaginative, technically proficient” staffers, that’s a potential red flag.

From MarketWatch • Jun. 3, 2026

That was followed by a red flag incident at Brandish near the end of Tuesday evening's sidecar qualifying session, which left Maria Costello and her passenger Shaun Parker injured.

From BBC • May 28, 2026

Another red flag is that the child might start defending, talking about or favoring an online group with cult-like attachment.

From Los Angeles Times • May 23, 2026

Footage of the crash site on other days showed vehicles stopped on the track, with officials raising the red flag to signal to oncoming trains to stop until the traffic cleared, he said.

From Barron's • May 18, 2026

Is that enough of a red flag to get Mom in trouble?

From "The Wrong Way Home" by Kate O’Shaughnessy