Noun: has-been 'haz,bin [N. Amer], 'haz,been [Brit]
- Someone who is no longer popular
"The former teen idol was now considered a has-been in the music industry";
- back-number [informal]
Derived forms: has-beens
Type of: golden ager [N. Amer, informal], old person, oldster [N. Amer, informal], senior citizen