Grum

grum, a. Morose; severe of countenance; glum; grim; low; deep in the throat; guttural.— Grum'ly, adv. — Grum'ble, -bl, v. i. [-bled (-bid), -bling.] To murmur with discontent; to growl, in snarl; to rumble, roar. — v. t. To expre with grumbling. — Grum'bler, n.