warning signal
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.
"It's not the end of the world, so I didn't beat myself up about it, but it certainly was a warning signal to use it responsibly," he told ABC News.
From BBC ● Aug. 11, 2026
Notably, a doji candle in September provided an early warning signal that upside momentum was faltering.
From Barron's ● Jan. 5, 2026
Historically, the absence of a year-end rally has carried a warning signal.
From MarketWatch ● Dec. 21, 2025
According to Zhao, the discovery of GSH-DNA adducts creates new opportunities to study how damaged mtDNA functions as a warning signal inside the body.
From Science Daily ● Nov. 28, 2025
Obviously the red light was some kind of a warning signal, both outside the door and in—“laboratory animal at large.”
From "Mrs. Frisby and the Rats of NIMH" by Robert C. O'Brien
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