- red alert
- nounthe highest level of alert when an attack by the enemy seems imminent (or more generally a state of alert resulting from imminent danger)
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noun: the final stage of alert in which attack by enemy aircraft appears to be imminent; also : the signal for thisat the sound of the red alert pedestrians must take shelter
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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. Cf. blue alert, white alert, yellow 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.[1960-65]* * *
red alert nounA state of readiness for imminent crisis, eg war or natural disaster• • •Main Entry: ↑red* * *
a warning that something very dangerous is likely to happenThesaurus: warning and warningssynonym* * *
red alert,1. an alert to warn that an attack by enemy aircraft is imminent, as when hostile aircraft appear in an air defense sector.2. any state of readiness in the face of imminent danger: »Admissions to London hospitals [due to a flu epidemic] ... totalled slightly over 2,000, above the figure for a similar period during the last hospital “red alert” (Manchester Guardian Weekly).
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noun, pl ⋯ alerts: a warning that there is great danger[count]— usually singularThe commander issued a red alert.
A red alert was sounded on the island as the storm approached.
[noncount]The troops have been put on red alert.
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a situation in which you are prepared for sth dangerous to happen; a warning of this•
Following the bomb blast, local hospitals have been
put on red alert.
•
The water authority has issued a red alert until the cause of the pollution has been removed.
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red alertsee red a. 19 a.
Useful english dictionary. 2012.