Meaning of the word have-been in English

What does have-been mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

have-been

US /ˈhævˌbɪn/
UK /ˈhævˌbɪn/

Noun

a person or thing that is no longer as important, famous, or effective as they once were

Example:
The former movie star is now a mere has-been.
No one wants to be considered a has-been in their career.