This is the 4866th most frequent German word.
achtzigern
"Achtzigern" refers to "the 1980s" (a decade) in German.
In this sentence, 'Achtzigern' refers to the decade of the 1980s, used in plural dative form to denote a time period.
Sie trägt Kleidung, die in den Achtzigern modern war.
She wears clothes that were fashionable in the eighties.
Here, 'Achtzigern' again references the 1980s decade in plural dative form, emphasizing its origin and characteristic style.
Filme aus den Achtzigern haben ihren besonderen Charme.
Movies from the eighties have their unique charm.
The term 'Achtziger', singular genitive form, relates to the 1980s as an era, focusing on its cultural production such as music.