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Really? / Seriously? in Korean: 진짜요?

진짜요? = really? 대박 = wow. Essential reaction phrases.

Nicolas

Published on September 14, 2026

Really? / Seriously? in Korean: 진짜요?

Really? = 진짜요? (jinjayo?). Stronger: 설마요? / 농담이에요? (are you kidding?).

진짜 is everywhere in speech. 대박 marks positive shock. These micro-reactions make your Korean sound natural.

Politeness levels

PhraseRomanizationMeaningRegister
진짜?jinjja?Really?Informal
진짜요?jinjayo?Really?Polite
대박이에요daebagieyoThat's crazy / awesomeReaction
믿을 수가 없어요mideul suga eopseoyoI can't believe itStrong
  • 와… (wa…): Wow
  • 헐 (heol): OMG / whoa
  • 장난이에요? (jangnan ieyo?): Are you joking?

Field tip

헐 is very casual/internet slang. Avoid it at work.

Common mistake

Raise intonation at the end of 진짜요? or it sounds flat.

Go further

Practice these phrases in Seonsaengnim lessons and dictionary, with native audio and flashcards.

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Really / Seriously in Korean: 진짜요?