moody
adj. B1 Intermediate US //ˈmudi// UK //mˈuːdi// moody
adj. having moods that change quickly, especially when you become unhappy or angry for no clear reason.
adj. subject to frequent and unpredictable changes in mood, particularly toward irritability or depression. Often describes a temperament that is sullen or temperamental.
He is very moody in the mornings before he has coffee.
The teenager became increasingly moody and withdrawn, often spending hours alone in his room without explanation.
The film's protagonist is a moody artist whose creative output is inextricably linked to his volatile emotional states and periods of deep isolation.
Usage
Typically used to describe people, but can also describe the atmosphere of a place or piece of art.