Longman Dictionary of Contemporary English homepage

seasonal affective disorder

 noun
     
seasonal affective disorder [uncountable]
an illness that makes people feel sad and tired in winter, because there is not enough light from the sun [= SAD]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary