This is the 12709th most frequent Polish word.
nieostrość
Blur or lack of sharpness.
Here, 'nieostrość' refers to a physical blurriness observed in a photograph, emphasizing a visual quality deviating from clearness.
Nieostrość na zdjęciu wynika z poruszenia aparatu.
The blur in the photo is due to the camera shake.
In this sentence, 'nieostrość' is used metaphorically to describe a lack of clarity or precision in someone's language or explanations.
Nieostrość jego wypowiedzi utrudniała zrozumienie.
The vagueness of his speech made understanding difficult.
Here, 'nieostrość' is again applied to describe a visual property in a digital image that the software aims to enhance.