This is the 2198th most frequent Korean word.
졸업한
"Graduated."
In this sentence, '졸업한' is used as an adjective modifying the noun '학생', indicating the person is someone who has graduated from university.
나는 작년에 대학을 졸업한 학생입니다.
I am a student who graduated from university last year.
Here, '졸업한' conveys the idea of the action of graduating being completed and serves as a reference point for the question.
졸업한 후에 무엇을 할 계획입니까?
What are you planning to do after graduating?
In this example, '졸업한' is again descriptive, attributing the state of having graduated to the individuals discussed.