This is the 277th most frequent Turkish word.
serbest
Free; unrestricted.
Here, 'serbest' is used as an adjective meaning 'free' or 'not occupied' to indicate availability.
Bu akşam serbestim.
I am free this evening.
In this context, 'serbest' is functioning as part of the expression "serbest bırakılmak," meaning 'to be set free,' implying release or liberation.
Ders sonunda çocuklar serbest bırakıldı.
The children were set free after the lesson.
In this sentence, 'serbest' is used as the adverb 'serbestçe,' which means 'freely,' indicating unrestrained action.