This is the 12495th most frequent Polish word.
najniższej
"Najniższej" means "lowest" in English.
Here, 'najniższej' refers to the lowest standard or degree of quality among various items.
Zwracam uwagę na najniższej jakości produkty.
I pay attention to products of the lowest quality.
Here, 'najniższą' is used to describe the minimum or lowest price among all options in a competitive context.
Ta książka ma najniższą cenę w całej księgarni.
This book has the lowest price in the entire bookstore.
In this case, 'najniższym' specifies the floor at the lowest level in a vertical structure like a building.