This is the 2548th most frequent Russian word.
свободной
"Свободной" means "free" or "independent" in English.
Here, 'свободная' is used to describe that the room is unoccupied or available.
Эта комната свободная.
This room is free.
In this case, 'свободной' indicates a state of feeling unrestrained or unrestricted in making decisions.
Она чувствует себя свободной в своих решениях.
She feels free in her decisions.
Here, 'свободное' (in different grammatical form) conveys the idea of 'free time,' indicating leisure time when one is not busy.