grouch
1. [ verb ] show one's unhappiness or critical attitude
Synonyms: grumble scold
Examples:

"He scolded about anything that he thought was wrong" "We grumbled about the increased work load"

Related terms: complain scold whiner
2. [ noun ] a bad-tempered person
Synonyms: crank churl crosspatch grump
Related terms: unpleasant_person misanthrope fire-eater crab
Similar spelling:   grouchy
  groucho
  Grech
  Grosch
  Grus
  Grego
  greco
  grouse