red alert
A "red alert" is a critical warning indicating the highest level of danger or threat, often used in military, defense, and emergency contexts.
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Definition
B2Emergency Response
(technical)A state of heightened readiness requiring immediate action due to an imminent threat.
Example
- The hospital was put on red alert after the outbreak of a contagious virus.
B2Military
(technical)A warning signal indicating an imminent enemy attack or critical situation.
Example
- The base went on red alert when enemy aircraft were detected nearby.
B2Civil Defense
(technical)The highest-level warning for severe or catastrophic events, such as natural disasters or terrorist attacks.
Example
- The city issued a red alert in anticipation of the approaching hurricane.
Similar
Terms that have similar or relatively close meanings to "red alert":
code redred flagalarm bellwarning belldanger signalcode yellowwarning signred teamsee redred lightred ragred heatradio alarmred antcode pink