This is the 6769th most frequent Polish word.
euforii
A state of intense happiness or elation.
The word 'euforii' is used in the genitive case 'stan euforii' to denote being in a state of extreme happiness or excitement.
Po zdobyciu złotego medalu wszyscy sportowcy byli w stanie euforii.
After winning the gold medal, all athletes were in a state of euphoria.
Here 'euforii' is in the genitive case 'pełna euforii' reflecting an environment charged with intense excitement.
Podczas koncertu atmosfera była pełna euforii.
During the concert, the atmosphere was full of euphoria.
In this example, 'euforii' is in the genitive form referencing a specific feeling of euphoria upon receiving good news.