Dictionary

major depressive disorder

noun

Definition of MAJOR DEPRESSIVE DISORDER

:  a mood disorder having a clinical course involving one or more episodes of serious psychological depression lasting two or more weeks each with no intervening episodes of mania

First Known Use of MAJOR DEPRESSIVE DISORDER

1978

major depressive disorder

noun    (Medical Dictionary)

Medical Definition of MAJOR DEPRESSIVE DISORDER

:  a mood disorder having a clinical course involving one or more episodes of serious psychological depression that last two or more weeks each, do not have intervening episodes of mania or hypomania, and are characterized by a loss of interest or pleasure in almost all activities and by some or all of disturbances of appetite, sleep, or psychomotor functioning, a decrease in energy, difficulties in thinking or making decisions, loss of self-esteem or feelings of guilt, and suicidal thoughts or attempts—compare bipolar disorder

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