This is the 11767th most frequent Polish word.
kontrowersyjnego
"Kontrowersyjnego" means "controversial."
Here, 'kontrowersyjnego' is used as an adjective to describe a topic which causes opposing opinions.
Ostatnio czytałem artykuł o kontrowersyjnym temacie zmian klimatycznych.
Recently, I read an article about the controversial topic of climate change.
Here, 'kontrowersyjnych' describes historical figures in plural form, emphasizing their role as objects of differing opinions.
Mój kolega napisał książkę o kontrowersyjnych postaciach historycznych.
My colleague wrote a book about controversial historical figures.
In this case, 'kontrowersyjne' still functions as an adjective, now in its plural form, to describe issues provoking debate or disagreement.