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red alert

noun

Simple Definition of red alert

  • : a warning that there is great danger

Source: Merriam-Webster's Learner's Dictionary

Full Definition of red alert

  1. :  the final stage of alert in which enemy attack appears imminent; broadly :  a state of alert brought on by impending danger

Examples of red alert in a sentence

  1. The troops have been put on red alert.

  2. <the paparazzi were on red alert for sightings of the hot new Hollywood couple>



1941

First Known Use of red alert

1941


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