This is the 14857th most frequent Polish word.
rekordową
"Rekordową" means "record-breaking" in English.
The word 'rekordową' is used to describe the number of points which is unprecedented in the given context.
Osiągnęliśmy rekordową liczbę punktów w meczu.
We achieved a record number of points in the match.
Here, 'rekordową' is used as an adjective to modify 'popularność', indicating that the popularity achieved exceeds previous levels.
Rekordową popularność zyskał jej najnowszy album.
Her newest album gained record popularity.
In this sentence, 'rekordową' is used as an adjective describing the sales, emphasizing the exceptional level reached.