Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun grouch

1 sense of grouch

Sense 1
grouch, grump, crank, churl, crosspatch -- (a bad-tempered person)
       => unpleasant person, disagreeable person -- (a person who is not pleasant or agreeable)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb grouch

1 sense of grouch

Sense 1
grouch, grumble, scold -- (show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load")
       => complain, kick, plain, sound off, quetch, kvetch -- (express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about")