grum

As a noun geum

is any of the genus genus: Geum of perennial herbaceous plants.

As an adjective grum is

morose, stern, surly, sullen.

As a noun grump

is a habitually grumpy or complaining person.

As a verb grump

is to complain.

As an adjective grum is

morose, stern, surly, sullen.

As a noun grom

is (surfing|snowboarding|skimboarding|slang) a young surfer, wakeskater, wakeboarder, snowboarder, skimboarder, skateboarder, or kiteboarder.

As an adjective grum is

morose, stern, surly, sullen.

As an adjective grum

is morose, stern, surly, sullen.

As a noun crum is

obsolete form of lang=en.

As a noun garum

is a fish sauce popular in ancient rome.

As an adjective grum is

morose, stern, surly, sullen.

As a noun grub

is (countable) an immature stage in the life cycle of an insect; a larva.

As a verb grub

is to scavenge or in some way scrounge, typically for food.

As an adjective grum is

morose, stern, surly, sullen.

As adjectives the difference between grue and grum

is that grue is of an object, green when first observed before a specified time or blue when first observed after that time while grum is morose, stern, surly, sullen.

As a verb grue

is to be frightened; to shudder with fear.

As a noun grue

is a shiver, a shudder.

As adjectives the difference between gram and grum

is that gram is angry while grum is morose, stern, surly, sullen.

As a noun gram

is a unit of mass equal to one-thousandth of a kilogram. Symbol: g.

As a proper noun Gram

is {{surname}.