· a bad-tempered person
Synonym(s): grump, crank, churl, crosspatch
Hypernym(s): unpleasant_person, disagreeable_person
· show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load"
Hypernym(s): complain, kick, plain, sound_off, quetch, kvetch