disapproval If you describe someone as a has-been, you are indicating in an unkind way that they were important or respected in the past, but they are not now. the so-called experts and various has-beens who foist opinions on us. someone who was important or popular but who has now been forgotten
{i} (Informal) outdated thing or custom; person that is no longer popular or esteemed; person or thing that is no longer a news item or topic of conversation (e.g. "I don't know who the second guest was - he is some has-been television star whose name I don't really know")