This is the 2532nd most frequent Polish word.
ogólnopolskie
Nationwide.
The word 'ogólnopolskim' describes the competition as occurring throughout the entire country of Poland, indicating its nationwide scope.
Nasza firma zdobyła nagrodę w ogólnopolskim konkursie.
Our company won an award in a nationwide competition.
The term 'ogólnopolska' characterizes the campaign as targeting the whole country, emphasizing its broad coverage.
Planowana jest ogólnopolska kampania informacyjna na temat zdrowia.
A nationwide informational campaign on health is being planned.
Here, 'ogólnopolską' emphasizes that the action involves participants from all over Poland.