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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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Examples from the web for red alert
  • If chance favors the prepared mind, his was in a constant state of red alert.
  • Not known as an alarmist, he is now pressing the red alert button.
  • red alert for shaking-related fatalities and economic losses.

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Word Value for red

4
4
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