Meaning of the word glum in English

What does glum mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

glum

US /ɡlʌm/
UK /ɡlʌm/

Adjective

looking or feeling dejected; morose

Example:
He looked glum when he heard the bad news.
The team was glum after losing the championship game.