This is the 780th most frequent Serbian word.
завршен
Completed; finished.
In this sentence, 'завршен' is used in a future tense construction, implying something that will be in a completed state at a future point.
Курс ће бити завршен за месец дана.
The course will be completed in a month.
Here, 'завршен' describes a qualitative state, indicating that the individual is established or proficient in their profession.
Он је завршен као учитељ.
He is accomplished as a teacher.
Here, the word 'завршен' is used as a past participle denoting a completed action, describing the state of the project as finished.