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English definition of “wake-up call”

wake-up call

noun [C]
 
 
TELEPHONE a telephone call to wake you in the morning, especially when you are staying in a hotelCommunicating by telephone
EVENT something bad that happens and shows you that you need to take action to change a situationThreats and warnings
(Definition of wake-up call from the Cambridge Learners Dictionary © Cambridge University Press)
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