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

Motorists have also been warned to be on the alert for scammers posing as car finance lenders offering fake compensation.

From BBC • Mar. 31, 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 second was that he was excessively alert to the self-interest and self-promotion of others.

From "The Big Short" by Michael Lewis