Seasonal affective disorder is a feeling of tiredness and sadness that some people have during the autumn and winter when there is very little sunshine. The abbreviation SAD is often used.
N-UNCOUNT
Seasonal affective disorder is a feeling of tiredness and sadness that some people have during the autumn and winter when there is very little sunshine. The abbreviation SAD is often used.
N-UNCOUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006