seasonal affective disorder noun
medical : an illness that makes people feel sad and tired during the winter because there is less light during the day
: depression that tends to recur as the days grow shorter during the fall and winter —abbreviation SAD
First Known Use of SEASONAL AFFECTIVE DISORDER
sea·son·al affective disorder noun \ˌsēz-ən-əl-\ (Medical Dictionary)
: depression that tends to recur as the days grow shorter during the fall and winter—abbreviation SAD
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