seasonal affective disorder


noun

recurrent winter depression characterized by oversleeping, overeating, and irritability, and relieved by the arrival of spring or by light therapy. Abbreviation: SAD

Origin of seasonal affective disorder

First recorded in 1980–85

Words nearby seasonal affective disorder

British Dictionary definitions for seasonal affective disorder

seasonal affective disorder

noun

a state of depression sometimes experienced by people in winter, thought to be related to lack of sunlight Abbreviation: SAD

Medical definitions for seasonal affective disorder

seasonal affective disorder
[ sēzə-nəl ]

n.

A mood disorder occurring during seasons when sunlight is limited, characterized by symptoms of depression.

Scientific definitions for seasonal affective disorder

seasonal affective disorder
[ sēzə-nəl ]

A mood disorder that occurs during seasons when exposure to sunlight is limited, characterized by symptoms of depression.