red alert Definition in the Cambridge English Dictionary
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Definition of “red alert” - English Dictionary

Definition of "red alert" - British English Dictionary

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red alertnoun [C]

uk   us  
(the ​state of being ​ready to ​deal with) a ​suddendangeroussituation: The ​army was onredalert against the ​possibility of an ​attack.
(Definition of red alert from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “red alert”
in Chinese (Simplified) 紧急戒备状态, 紧急警报…
in Chinese (Traditional) 緊急戒備狀態, 緊急警報…
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