mope

To think gloomily and persistently about something; be dejected. synonym: brood.

To move in a listless or aimless manner, especially from being sad or depressed.

A person given to gloomy or dejected moods.

Low spirits; the blues. Often used with the.

A low-spirited, listless, melancholy person; a drone.

To be very dull or listless; especially, to be spiritless or gloomy; yield to gloom or despondency: as commonly used, it implies a rather trivial and weak melancholy.

To make spiritless or melancholy.

To make spiritless and stupid.

To be dull and spiritless; to spend time doing little.

A dull, spiritless person.