B1 noun Neutral

결석

/kjʌl.s͈ʌk/

The state of being absent from a place or event, especially a school or university class.

Examples

3 of 5
1

너 어제 왜 결석했어?

Why were you absent yesterday?

2

무단 결석은 학점에 부정적인 영향을 줍니다.

Unauthorized absence has a negative impact on your grades.

3

나 이번 학기에 결석 한 번도 안 했어.

I haven't missed a single class this semester.

Word Family

Noun
결석
Verb
결석하다
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Memory Tip

Gyeol (lack/missing) + Seok (seat). Missing from your seat.

Quick Quiz

아파서 학교에 ____하게 되면 선생님께 미리 말씀드려야 한다.

Correct!

The correct answer is: 결석

Examples

1

너 어제 왜 결석했어?

everyday

Why were you absent yesterday?

2

무단 결석은 학점에 부정적인 영향을 줍니다.

formal

Unauthorized absence has a negative impact on your grades.

3

나 이번 학기에 결석 한 번도 안 했어.

informal

I haven't missed a single class this semester.

4

결석률이 높을수록 중도 탈락 가능성이 커진다.

academic

The higher the absence rate, the higher the possibility of dropping out.

5

피치 못할 사정으로 회의에 결석하게 되었습니다.

business

I ended up being absent from the meeting due to unavoidable circumstances.

Word Family

Noun
결석
Verb
결석하다

Common Collocations

결석을 하다 to be absent
무단 결석 unexcused absence
결석계 notice of absence
장기 결석 long-term absence
결석 사유 reason for absence

Common Phrases

결석 처리

marking as absent

한 번도 결석하지 않다

to have perfect attendance

개근

perfect attendance

Often Confused With

결석 vs 결강

결석 is the student's absence, while 결강 is when a professor cancels a class.

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Usage Notes

Common in TOEFL campus dialogues where a student explains why they missed a lecture.

⚠️

Common Mistakes

Don't confuse '결석' (absence) with '결정' (decision).

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Memory Tip

Gyeol (lack/missing) + Seok (seat). Missing from your seat.

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Word Origin

From Sino-Korean 缺席 (missing seat).

Grammar Patterns

학교에 결석하다 수업에 결석하다

Quick Quiz

아파서 학교에 ____하게 되면 선생님께 미리 말씀드려야 한다.

Correct!

The correct answer is: 결석

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