disapproval A grouch is someone who is always complaining in a bad-tempered way. He's an old grouch but she puts up with him
A grouch is a bad-tempered complaint. One of the biggest grouches is the new system of payment. = gripe. to complain in a slightly angry way = moan grouch about
a bad-tempered person show one's unhappiness or critical attitude; "He scolded about anything that he thought was wrong"; "We grumbled about the increased work load