This is the 1878th most frequent Polish word.
najwyższego
"Najwyższego" means "of the highest" or "supreme" (genitive singular form).
Used as a superlative adjective to describe the peak.
To jest szczyt najwyższego wzniesienia w okolicy.
This is the peak of the highest hill in the area.
Used as a superlative adjective referring to a high standard or degree.
Prosimy o zachowanie najwyższego poziomu dyskrecji.
We kindly ask for maintaining the highest level of discretion.
Used as a superlative adjective to describe a critical level of significance.