} } Red-alert | Define Red-alert at Dictionary.com

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red alert

noun
1.
(in military or civilian defense) the most urgent form of alert, signaling that an enemy attack is believed to be imminent.
2.
the signal or alarm sounded for this alert.
3.
a signal or warning that a critical situation is developing or has occurred.
4.
the period during which a state of crisis or danger is declared to exist.
Origin
1960-1965
1960-65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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