From Longman Dictionary of Contemporary Englishhas-beenˈhas-been noun [countable] informal FAILsomeone who was important or popular but who has now been forgotten
Examples from the Corpus
has-been• Employment training in Britain is a scandal and is often run by Government-appointed has-beens from industry accountable to no-one.• To say they are has-beens is cruel, but their recent Grand Slam record speaks for itself.• Triumph Tigers should belong to boys like Nails, rough and lawless, not hopeless has-beens like himself.• A peerless champion of his own era, he had been reduced to an ineffectual has-been by the modern gunslingers.• The country is crying out for leadership and all Mr Smith has to offer is a talking-shop for academics and political has-beens.• The arrogance of some of the has-beens in the Athletico squad is pathetic. 