grum /grum/

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

grumˈly adverb

grumˈness noun

• party-juries
• party-jury
• party line
• party lines
• muleteers
• muley
• muleys
• mulga
• mulgas
• mulga wire
• muliebrities
• muliebrity
• mulish
• mulishly
• mulishness
• mulishnesses
• mull
• mullah
• mullahed
• mullahs
• mullarky
• mulled
• mullein
• mulleins
• muller