This is the 14427th most frequent Polish word.
przemytnicza
"Przemytnicza" means "smuggling-related" or "pertaining to smuggling."
The word 'przemytnicza' here is used as an adjective to describe the operation engaging in smuggling activities.
Ta przemytnicza operacja została zakończona sukcesem.
That smuggling operation was successfully completed.
In this sentence, 'przemytnicza' acts as an attribute to the noun 'działalność' referring to actions related to smuggling.
Czy to była przemytnicza działalność czy coś innego?
Was it smuggling activity or something else?
Here, 'przemytniczą' is used to modify 'naturę', describing the smuggling characteristics of their actions.