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 alert sent by the border police from their camp near the lake was a stroke of luck that prevented more lives from being lost, scientists say.
From The Wall Street Journal • Apr. 1, 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 Met had earlier promised an increased police presence in response to the protest, adding officers would be "alert to any behaviour that crosses the line from protest into criminality".
From BBC • Mar. 28, 2026
He was alert, like he had awakened from a night of great sleep, though he was still hungry and thirsty.
From "Healer of the Water Monster" by Brian Young
![]()
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.