This is the 6585th most frequent Polish word.
debiutujący
"Debuting" or "making a debut."
The word "debiutującego" is used as an adjective describing the noun "reżysera" (director), indicating someone who is making their debut in directing films.
Wczoraj widziałem film debiutującego reżysera.
Yesterday I watched a film by a debuting director.
In this sentence, "debiutujący" modifies "aktor" (actor), implying someone performing in their first acting role or production.
Debiutujący aktor zdobył główną nagrodę.
A debuting actor won the main award.
Here, "debiutującego" describes "pisarza" (writer), referring to someone who has written their first book as part of their debut in literature.