Words similar to alert

Example sentences for: alert

How can you use “alert” in a sentence? Here are some example sentences to help you improve your vocabulary:

For the Hadley call see NSC email, Clarke to Rice and Edelman, Terrorism Alert, July 2, 2001.
Viewers might be asked to fill out petitions with their ZIP codes and e-mail addresses, which would be used to alert them to the ad's next installment.
To have GAO e-mail this list to you every afternoon, go to www.gao.govand select "Subscribe to daily E-mail alert for newly released products" under the GAO Reports heading.
Although the headline, "US Borders on High Alert," suggests the story might be about Customs Service preparations against future smuggling attempts, the story explores the suspect's alleged ties to Osama bin Laden.
Clarke asked Berger to try to make sure that the domestic agencies remained alert."