WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an abnormally gloomy or unhealthy state of mind
noun.
the quality of being unhealthful and generally bad for you
Word Usage
"The jealousy of unsuccessful, rivals, the exaggerated alarms of the nervous played upon by a sensation-loving press, a certain morbidness of self-criticism at a time of universal disappointment!"