This is the 8164th most frequent Polish word.
ogólnopolski
Nationwide.
Here, 'ogólnopolski' modifies 'konkurs,' indicating that the contest is held across the entire nation, emphasizing its scale and reach.
Ogólnopolski konkurs literacki został zorganizowany przez prestiżowe stowarzyszenie.
A nationwide literary contest was organized by a prestigious association.
In this sentence, 'ogólnopolski' describes 'program,' emphasizing that the educational initiative is implemented nationwide.
Nasza szkoła bierze udział w ogólnopolskim programie edukacyjnym.
Our school participates in a nationwide educational program.
'Ogólnopolskie' refers to the scope of the 'badanie opinii,' signifying that the survey involved participants from across the country.