← BackshareGuessrotter/ˈrɑtər/nounA person who is dishonest, unpleasant, or morally bad.Everyone in town knew he was a rotter who cheated his customers.That rotter stole my lunch money when I wasn't looking.Don't trust him — he's a complete rotter who lies to everyone.SynonymsscoundrelvillainrascalAntonymshero