·adj Moody; silent; sullen.
II. Glum ·noun Sullenness.
III. Glum ·vi To look sullen; to be of a sour countenance; to be glum.
Sullen. ...
Dictionary of The Vulgar Tongue by Francis Grose
gloomy, sullen. Norf. ...
A glossary of provincial and local words used in England by Francis Grose
As applied to the weather, overcast and gloomy. Socially, it is a grievous look. ...
The Sailor's Word-Book