This is the 478th most frequent Polish word.
prawdopodobnie
Probably.
The word 'prawdopodobnie' is used here to express likelihood or expectation about the future.
Prawdopodobnie będę jutro zajęty.
I will probably be busy tomorrow.
Here, 'prawdopodobnie' suggests uncertainty or an assumption based on incomplete information.
On prawdopodobnie mieszka w Warszawie.
He probably lives in Warsaw.
In this sentence, 'prawdopodobnie' conveys a subjective opinion or estimation regarding an option.