This is the 18045th most frequent Polish word.
żadną
"Żadną" means "none" or "not any" (feminine form in instrumental case).
In this sentence, 'żadną' acts as a negative determiner modifying a singular feminine noun.
Nie widziałem żadną osobę na ulicy.
I didn't see any person on the street.
Here, 'żadną' serves as a negative determiner related to the instrumental feminine singular case.
Żadną książką nie jestem zainteresowany.
I'm not interested in any book.
In this sentence, 'żadną' is used with the noun to indicate the absence of sharing of any feminine object.