lose - allow to go out of sight; The detective lost the man he was shadowing after he had to stop at a red light 7. lose - fail to make money in a business; make a loss or fail to profit; I lost thousands of dollars on that bad investment!; The company turned a loss after the first year turn a loss break even - make neither profit nor loss
Melancholy is a state of being sad, gloomy, or even pensive. When there is something weighing on your mind, you can become quiet and withdrawn, preferring to be with your own thoughts in order to make some sense of what is going on.
Affect is the visible reaction a person displays toward events. Mood is the underlying feeling state. Affect is described by such terms as constricted, normal range, appropriate to context, flat, and shallow. Mood refers to the feeling tone and is described by such terms as anxious, depressed, dysphoric, euphoric, angry, and irritable.