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.

An emergency alert broadcast in English warned people to take cover away from the windows.

From The Wall Street Journal • Apr. 4, 2026

"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

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

From BBC • Mar. 29, 2026

“We have to build up your stamina. Missions rarely follow a schedule, and you need to stay alert despite limited rest.”

From "City Spies" by James Ponti