Korean Dictionary
How to say "Block" in Korean
“Block” in Korean is 차단하다 (pronounced "chadanhada").
차단하다
chadanhada
Usage & Context
Preventing someone from contacting you on social media or messaging apps. Blocking is a way to end communication in Korean relationships.
Example Sentence
나는 그를 차단했어.
I blocked him.
How to use 차단하다 naturally
Quick answer
The Korean word for “Block” is 차단하다, romanized as chadanhada.
Usage tip
Relationship words can sound too direct if the social context is wrong. Check the age, closeness, and formality before using it.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 차단하다.
Pronunciation Guide
차단 (cha-dan) sounds like 'chah-dahn,' with 'cha' as in 'chai' and 'dan' like 'dawn.' 하다 (ha-da) is 'hah-dah.' The stress is fairly even, with a slight emphasis on 'cha' and 'ha.'
Formal & Casual Forms
Formal (존댓말)
차단하십니다
chadanhapnida
Formal polite form of the verb '차단하다'.
Casual (반말)
차단해
chadanae
Informal casual form of the verb '차단하다'.
More Example Sentences
Blocking someone due to unwanted spam messages.
그 사람이 계속 스팸 메시지를 보내서 결국 차단했어.
That person kept sending spam messages, so I finally blocked them.
Blocking an ex-partner for persistent contact.
전 남친이 자꾸 연락해서 차단할 수밖에 없었어.
My ex-boyfriend kept contacting me, so I had no choice but to block him.
Advice on dealing with negative comments online.
SNS에서 싫은 댓글 다는 사람들은 바로 차단해야지.
You should immediately block people who leave hateful comments on social media.
Cultural Context
'차단하다' is a widely used term in digital communication, especially on social media and messaging apps like KakaoTalk. It's a definitive action to stop unwanted contact or harassment. In K-dramas, characters often dramatically block or unblock each other, symbolizing the intensity of their relationships or conflicts. It's a clear boundary-setting tool in modern Korean interactions.
Editorial note
We check relationship words like 차단하다 against age, closeness, and politeness rules, because a literal English match often misses the social meaning.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
나는 그를 차단했어.
I blocked him.
카톡 차단했어.
I blocked them on KakaoTalk.
차단당했어.
I got blocked.
Related Expressions
연락 끊다
yeollak kkeunta
to cut off contact (broader meaning)
접근 금지
jeopgeun geumji
prohibition of access (more formal, legal)
무시하다
musihada
to ignore
삭제하다
sakjehada
to delete (e.g., a contact)
More Relationships Words
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