grum /grum/

1. Morose
2. Surly
3. (of a sound) deep in the throat (obsolete)

grumˈly adverb

grumˈness noun

• knotworks
• knout
• knouted
• knouting
• knouts
• know
• knowable
• knowableness
• knowablenesses
• know a hawk from a handsaw
• know-all
• know-alls
• know all the answers
• know a man by his company
• know a move or two
• know a thing or two
• know better
• know by sight
• knowe
• knower
• knowers
• knowes
• know-how
• knowhow
• know how many beans make five