noun[ U ]old-fashioneduk/ˌmæn.ɪk dɪˈpreʃ.ən/us/ˌmæn.ɪk dɪˈpreʃ.ən/
躁狂抑郁症（同 bipolar disorder）
an old-fashioned expression for bipolar disorder(= a mental health condition in which a person can at times be very depressed and at other times very excited and energetic)
He was diagnosed with manic depression when he was in his twenties.
Bipolar disorder is a mood disorder that used to be called manic depression.
更多例句
She said he suffered from manic depression and severe insomnia.
She suffered a nervous breakdown and was diagnosed with manic depression.