Synonyms for grouch

Noun

1. grouch, grump, crank, churl, crosspatch, unpleasant person, disagreeable person

usage: a bad-tempered person

Verb

1. grouch, grumble, scold, complain, kick, plain, sound off, quetch, kvetch

usage: show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load"