alert
adjective
fully aware and attentive; wide-awake; keen.
have alerted
-
present perfectof alert.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
“Commercial satellite companies, which provide the government with services, have detected Chinese activities and have alerted us. Otherwise, we’d be clueless about a lot of what’s going on.”
From Slate ● Sep. 17, 2026
Le Pen testified during the appeals trial that she was unaware she was breaking any laws in hiring assistants, adding that the European Parliament should have alerted her to any problems with the party practices.
From The Wall Street Journal ● Jul. 7, 2026
The spike in complaints is so severe that many states and legal organizations have alerted the public about them.
From Salon ● May 2, 2026
A resident of Puerto Vallarta for 16 years, Perez questioned whether the government could have alerted the population so they could take cover before the ensuing violence.
From Barron's ● Feb. 24, 2026
Olsen told Leila the police should have alerted her.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
