This is the 15754th most frequent German word.
zweitklassigen
"Second-rate" or "inferior."
The word 'zweitklassigen' is used here as an adjective to describe the quality of the seats, indicating they were of a second class or less than premium quality.
Die zweitklassigen Sitze im Theater waren noch verfügbar.
The second-class seats in the theater were still available.
The word 'zweitklassigen' is employed metaphorically here to convey that the arguments are considered of lesser quality or importance.
Er bevorzugt keine zweitklassigen Argumente in Diskussionen.
He does not prefer second-rate arguments in discussions.
In this sentence, 'zweitklassigen' describes the musician group initially seen as less skilled or prestigious, emphasizing their unexpected success.