This is the 17808th most frequent Polish word.
zwolnionych
"Zwolnionych" means "released" or "dismissed" in English.
In this sentence, 'zwolnionych' is used as an adjective describing 'employees,' specifying those who have been laid off.
Firma ogłoszono, że liczba zwolnionych pracowników wynosi dwadzieścia.
The company announced that the number of laid-off employees is twenty.
Here, 'zwolnionych' functions as a passive participle agreeing in case and number to the implied noun 'those'.
Nie mogę zapomnieć o tych, którzy zostali zwolnionych niesłusznie.
I can't forget those who were unfairly dismissed.
In this instance, 'zwolnionych' is used to qualify 'people,' referring to those who were released or laid off.