그런데 (geu-reon-de, geureonde) · 근데 (geun-de, geunde)
'그런데' is formal and suits written language, while '근데' is casual and mainly used in spoken Korean.
One lane per word — no nested boxes, just the gist.
A formal conjunction used to connect sentences or introduce a contrast or additional information naturally.
When to use
formal writing, presentations/reports, polite conversation
The nuance
Used in written language or formal contexts; suitable for writing or presentations.
A shortened, casual form of '그런데' mainly used in everyday conversation, giving a friendly and light tone.
When to use
talking with friends, casual daily conversation, informal situations
The nuance
Used in spoken language, natural among friends or family in informal settings.
그런데, 오늘 회의 시간이 변경되었습니다.
geu-reon-de, o-neul hoe-ui si-gan-i byeon-gyeong-doe-eoss-seup-ni-da., geu reon de, o neul hoe ui si gan i byeon gyeong doe eoss seup ni da.
Appropriate conjunction for a formal situation.
근데, 오늘 회의 시간이 변경되었습니다.
geun-de, o-neul hoe-ui si-gan-i byeon-gyeong-doe-eoss-seup-ni-da., geun de, o neul hoe ui si gan i byeon gyeong doe eoss seup ni da.
Casual spoken form inappropriate for formal documents or presentations.
친구가 '근데 무슨 일이야?'라고 물었다.
chin-gu-ga 'geun-de mu-seun il-i-ya?'ra-go mul-eoss-da., chin gu ga 'geun de mu seun il i ya?'ra go mul eoss da.
Natural expression in casual conversation among friends.
친구가 '그런데 무슨 일이야?'라고 물었다.
chin-gu-ga 'geu-reon-de mu-seun il-i-ya?'ra-go mul-eoss-da., chin gu ga 'geu reon de mu seun il i ya?'ra go mul eoss da.
Too formal for light conversation between friends.
보고서에 '그런데'를 사용하여 내용을 연결했다.
bo-go-seo-e 'geu-reon-de'reul sa-yong-ha-yeo nae-yong-eul yeon-gyeol-haess-da., bo go seo e 'geu reon de'reul sa yong ha yeo nae yong eul yeon gyeol haess da.
Suitable expression for official documents like reports.
보고서에 '근데'를 사용하여 내용을 연결했다.
bo-go-seo-e 'geun-de'reul sa-yong-ha-yeo nae-yong-eul yeon-gyeol-haess-da., bo go seo e 'geun de'reul sa yong ha yeo nae yong eul yeon gyeol haess da.
Using casual spoken form in a report is inappropriate.
어제 영화 봤어? 근데 진짜 재밌었어!
eo-je yeong-hwa bwass-eo? geun-de jin-jja jae-miss-eoss-eo!, eo je yeong hwa bwass eo? geun de jin jja jae miss eoss eo!
Natural in friendly, casual daily conversation.
어제 영화 봤어? 그런데 진짜 재밌었어!
eo-je yeong-hwa bwass-eo? geu-reon-de jin-jja jae-miss-eoss-eo!, eo je yeong hwa bwass eo? geu reon de jin jja jae miss eoss eo!
Too formal for casual friendly conversation.
Which conjunction is appropriate for a formal presentation?
Which is natural in casual conversation with friends?
Which expression should not be used in a report?
What does it mean?
