This is the 11138th most frequent Polish word.
gliwicki
"Gliwicki" means "of or pertaining to Gliwice," a city in Poland.
Here, 'gliwickie' is the plural adjective form, describing customs as pertaining to Gliwice.
Gliwickie tradycje obejmują wiele lokalnych zwyczajów.
Gliwice traditions include many local customs.
Used as an adjective to describe something related to Gliwice, a city in Poland.
Gliwicki rynek jest pełen kolorowych kamienic.
The Gliwice market square is full of colorful tenement houses.
As an adjective, agrees in form with the noun, modifying it and indicating its relationship to Gliwice.