1. A bad-tempered person
   - grump, crank, churl, crosspatch

1. Show one's unhappiness or critical attitude
   - grumble, scold

Derived forms: grouched, grouches, grouching

See also: grouchy

Type of: complain, disagreeable person, kick, kvetch [N. Amer], plain [archaic], quetch, sound off, unpleasant person

• knee breeches
• knee jerk
• knee joint
• knee pad
• knee pants
• knee piece
• knee-deep
• knee-hi
• knee-high
• knee-jerk reflex
• knee-length
• knee-trembler
• kneecap
• kneed
• kneel
• kneeler
• kneeling
• kneepan
• knees-up
• knell
• Knesset
• Knesseth
• knickerbocker glory
• knickerbockers
• knickers