'Glumly' definitions:

Definition of 'glumly'

(from WordNet)
adverb
In a sullen manner; "he sat in his chair dourly" [syn: dourly, sullenly, glumly]

Definition of 'Glumly'

From: GCIDE
  • Glumly \Glum"ly\, adv. In a glum manner; sullenly; moodily. [1913 Webster]