moody vs glum

moody and glum both are adjectives.

Word	Noun	Adjective	Verb	Adverb
moody	No	Yes	No	No
glum	No	Yes	No	No

As adjectives, moody and glum are synonyms defined as:

Other synonyms of moody include dark, dour, glowering, morose, saturnine, sour, sullen.

moody (adjective)	glum (adjective)
subject to sharply varying moods	moody and melancholic
showing a brooding ill humor	showing a brooding ill humor