As a verb glum
is (obsolete) to look sullen; to be of a sour countenance; to be glum.
As a noun glum
is (obsolete) sullenness.
As an adjective glum
is despondent; moody; sullen.
As an adverb glumly is
in a glum manner.
Other Comparisons: What's the difference?
From (etyl) glomen, glommen, glomben, . More at (l).
(obsolete) To look sullen; to be of a sour countenance; to be glum.
Probably from (etyl) . More at (l).
despondent; moody; sullen
- I frighten people by my glum face.
in a glum manner