alert

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.

"The improvement we saw is clinically meaningful. These workers were able to stay awake and alert throughout a full eight-hour shift, which has real implications for performance, safety, and quality of life," Czeisler said.

From Science Daily • Apr. 1, 2026

He was alert enough the night before his death to say goodbye to his daughter.

From Los Angeles Times • Mar. 30, 2026

In October, Sam Altman said OpenAI’s approach was like “betting on a series of startups,” followed by a “Code Red” competition alert in December.

From The Wall Street Journal • Mar. 29, 2026

The bank urged customers to "stay alert" when booking a trip.

From BBC • Mar. 29, 2026

“Charge her with disruption of the court—and send out an alert for the kids. There must be someone responsible for them.”

From "Impossible Creatures" by Katherine Rundell