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:

PDD-62, "Protection Against Unconventional Threats to the Homeland and Americans Overseas," May 22, 1998, pp. 8-9; NSC email, Berger's office to executive secretaries, "Millennium Alert After Action Review," Mar.
Terrorism Alert, July 3, 2001; FBI electronic communication, HeightenedThreat Advisory, Apr.
But NEADS did not know where to send the alert fighter aircraft, and the officer directing the fighters pressed for more information:"I don't know where I'm scrambling these guys to.
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.
Although the British might be thought to have less cause for alarm, the Times of London led Monday with a story headlined "British alert over Saddam terror strike" about contingency plans to counteract biological or chemical attacks in Britain.