grum

As adjectives the difference between grumpy and grum

is that grumpy is unhappy, dissatisfied and/or irritable while grum is morose, stern, surly, sullen.

As an adjective grum

is morose, stern, surly, sullen.

As a symbol gum is

the iso 3166-1 three-letter (alpha-3) code for guam.

As an adjective grum

is morose, stern, surly, sullen.

As a noun drum is

a percussive musical instrument spanned with a thin covering on at least one end for striking, forming an acoustic chamber, affecting what materials are used to make it.

As a verb drum is

to beat a drum.

As an adjective grum

is morose, stern, surly, sullen.

As a noun grume is

a thick semisolid.

As an adjective grum

is morose, stern, surly, sullen.

As an adverb gruf is

(obsolete) forwards; with one's face to the ground.

As an adjective grum

is morose, stern, surly, sullen.

As a noun gaum is

(lb).

As an adjective grum

is morose, stern, surly, sullen.

As a noun arum is

or arum can be .

As an adjective grum

is morose, stern, surly, sullen.

As a noun rum is

room.

As adjectives the difference between frum and grum

is that frum is (lb) pious, observant; committed to obeying all the laws of judaism while grum is morose, stern, surly, sullen.