Countable noun meaning a person with a gloomy temperament or, historically, one governed by black bile.
Definitions
A person who is habitually gloomy or prone to depression. As a melancholic, she often found solace in solitary walks by the river.
(Historical, physiology) A person whose temperament was believed to be governed by an excess of black bile. In medieval medicine, a melancholic was thought to have an excess of black bile in the body.
Synonyms
woebegone person
gloomy person
sad person
melancholy (as a noun)