This is the 2779th most frequent Polish word.
grupowej
"Grupowej" means "group (adjective form)" or "relating to a group."
Adjective describing a party organized for a group.
Zorganizowaliśmy imprezę grupową na koniec roku.
We organized a group party at the end of the year.
Adjective describing a system related to group learning.
Uczestniczyłem w systemie grupowej nauki języka.
I participated in a system of group language learning.
Adjective referring to a therapy conducted in a group setting.