Definition of seasonal affective disorder in English:

seasonal affective disorder

Syllabification: sea·son·al af·fec·tive dis·or·der

noun

  • Depression associated with late autumn and winter and thought to be caused by a lack of light.
    More example sentences
    • For people with a type of depression called seasonal affective disorder, this need for light takes on greater significance.
    • For many, the lack of sunlight contributes to seasonal affective disorder, depression that grips most strongly in the dead of winter.
    • Many Americans suffer from the form of depression known as seasonal affective disorder, with a strong peak in the fall and winter.

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Word of the day milord
Pronunciation: mɪˈlɔːd
noun
used to address an English nobleman