Korean Dictionary
How to say "Sudden Mood Change" in Korean
“Sudden Mood Change” in Korean is 갑분싸 (pronounced "gapbun ssa").
갑분싸
gapbun ssa
Usage & Context
Abbreviation meaning a sudden change in atmosphere or mood. Used to describe situations where the vibe suddenly becomes awkward or serious.
Example Sentence
분위기 좋다가 갑분싸 됐어.
The mood was good but suddenly became awkward.
How to use 갑분싸 naturally
Quick answer
The Korean word for “Sudden Mood Change” is 갑분싸, romanized as gapbun ssa.
Usage tip
Use slang only with friends or people who already speak casually with you. It can sound rude in formal Korean.
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 갑분싸.
Pronunciation Guide
The first syllable, "갑" (gap), sounds like "gab" as in "cab." The second syllable, "분" (bun), sounds like "boon" as in "moon." The third syllable, "싸" (ssa), sounds like "ssah" as in "psst" but with a strong, tense 's' and an 'ah' sound. All syllables are pronounced distinctly and quickly.
More Example Sentences
A joke falling flat and creating an uncomfortable silence.
농담했는데 아무도 안 웃어서 갑분싸 됐어.
I told a joke, but no one laughed, so the mood suddenly became awkward.
An inappropriate or heavy topic abruptly changing a lighthearted conversation.
즐겁게 얘기하다가 갑자기 정치 얘기 나와서 갑분싸.
We were talking happily, then politics suddenly came up, and the mood became awkward.
A conflict ruining a pleasant social gathering.
파티 분위기 좋았는데 갑자기 싸워서 갑분싸 만들었어.
The party atmosphere was good, but they suddenly fought and made it awkward.
Cultural Context
"갑분싸" is an abbreviation of "갑자기 분위기 싸해지다" (gapjagi bunwigi ssahaejida), meaning "the atmosphere suddenly turns cold/awkward." This widely recognized internet slang term describes a situation where a lively or pleasant mood abruptly shifts to an uncomfortable, silent, or tense one, often due to an inappropriate comment, an awkward silence, or an unexpected event. It's frequently used in K-dramas and variety shows to highlight comedic or dramatic shifts in social interactions, and it's a common phrase in daily conversations and online chats to comment on such moments.
Editorial note
We flag slang like 갑분싸 for register and audience, since Korean slang can shift quickly and may sound rude outside close friendships.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
갑분싸 만들지 마
Don't make it awkward.
갑분싸 됐네
It just got awkward.
갑분싸 주의
Caution: sudden mood change (often used as a warning online).
Related Expressions
갑자기 분위기 싸해지다
gapjagi bunwigi ssahaejida
The atmosphere suddenly turns cold (full form)
분위기 깨다
bunwigi kkaeda
To break the mood/atmosphere
정적
jeongjeok
Silence (often awkward silence)
어색하다
eosaekhada
To be awkward
More Slang Words
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