red light

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 was cold—the temperature settled in at 30 degrees—and blue and red light flashed on the wall of Quirky Books from a nearby surveillance tower installed by the police.

From Slate • Mar. 25, 2026

For investors, Wall Street’s optimism is a flashing red light, notes DataTrek co-founder Nicholas Colas, who flagged the FactSet report in his newsletter Monday, calling it, “the most disturbing graph we saw this entire weekend.”

From Barron's • Mar. 24, 2026

The scientists also evolved a red light optogenetic system so that yeast cells no longer required an added chemical cofactor.

From Science Daily • Mar. 9, 2026

If you're using a phone app to locate planets, enable the red light feature, because "the red light won't affect your night vision as much as a bright white light would."

From BBC • Feb. 27, 2026

The badger lumbered through the mossy gate, heading toward the throbbing red light.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman