grouch

1. A bad-tempered person (synset 110167825)
   is a type of: disagreeable person, unpleasant person - a person who is not pleasant or agreeable
   subtypes:

   • crab, crabby person - a quarrelsome grouch
   • fire-eater, hothead - a belligerent grouch
   • misanthrope, misanthropist - someone who dislikes people in general
   same as: churl, crank, crosspatch, grump

1. Show one's unhappiness or critical attitude (synset 200911526)
   "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load"
   is a type of: complain, kick, kvetch, plain, quetch, sound off - express complaints, discontent, displeasure, or unhappiness
   same as: grumble, scold

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