Definition:
Compare grum with other words:
drum vs. grum
grum vs. grume
gruf vs. grum
arum vs. grum
grum vs. rum
grum vs. grump
grom vs. grum
garum vs. grum
grub vs. grum
gram vs. grum
grum vs. sour
grim vs. grum
glum vs. grum
grum vs. surly
grum vs. stern