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English definition of “depression”

depression

noun [C, U]
 
 
/dɪˈpreʃən/
UNHAPPINESS B2 the feeling of being very unhappy for a period of time, or a mental illness that makes you feel very unhappy: Nearly three million people suffer from depression every year.Feeling sad and unhappyMental and psychiatric disorders
ECONOMY a time when there is not much business activity: The stock market crash marked the start of a severe depression.Economics and the state of the economy
(Definition of depression from the Cambridge Learners Dictionary © Cambridge University Press)
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