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Flood alerts were issued for dozens of rivers.
All our forces are on full alert.
Police warned residents to be on the alert for bogus salesmen.
This is the British English definition of alert. View American English definition of alert.
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View the pronunciation for alert.
American English version of definition of alert
a video advertisement that appears immediately before an online video
a very light type of cake made with flour, eggs, and sugar
a rave … that takes place early in the morning and where there is no alcohol or drugs …
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Definition of alert from the online English dictionary from Macmillan Publishers Limited.