From Longman Dictionary of Contemporary Englishred-topˈred-top noun [countable] British English informal a British newspaper that has its name in red at the top of the front page. Red-tops have a lot of readers, but are not considered to be as serious as other newspapers. → tabloidFrom Longman Business Dictionaryred-topˈred-top noun [countable] British English a popular newspaper with a large number of readers