depressing β Something that is depressing makes you feel sad and disappointed.
unhappy β sad; miserable; wretched: Why is she so unhappy?
austere β If you describe something as austere, you approve of its plain and simple appearance.
black β lacking hue and brightness; absorbing light without reflecting any of the rays composing it.
bleak β If a situation is bleak, it is bad, and seems unlikely to improve.
blue β Something that is blue is the colour of the sky on a sunny day.
comfortless β to soothe, console, or reassure; bring cheer to: They tried to comfort her after her loss.
dark β When it is dark, there is not enough light to see properly, for example because it is night.
dejected β If you are dejected, you feel miserable or unhappy, especially because you have just been disappointed by something.
dejecting β (rare) present participle of deject.
depressed β If you are depressed, you are sad and feel that you cannot enjoy anything, because your situation is so difficult and unpleasant.
desolate β A desolate place is empty of people and lacking in comfort.
despondent β If you are despondent, you are very unhappy because you have been experiencing difficulties that you think you will not be able to overcome.
disconsolate β without consolation or solace; hopelessly unhappy; inconsolable: Loss of her pet dog made her disconsolate.