Korean Question WordsKorean interrogatives (who, what, where…) with romanization — free list

Korean question words are called 의문사 (uimunsa). The core six are 누구 (who), 뭐/무엇 (what), 어디 (where), 언제 (when), 왜 (why), and 어떻게 (how). 뭐 is casual everyday speech; 무엇 is more formal or written. This free list covers 24 question words and expressions with romanization.

KoreanRomanizationMeaning
누구 nugu who (object form)
누가 nuga who (subject form)
mwo what (casual)
무엇 mueot what (formal)
어디 eodi where
어디서 eodiseo where (from / at which place)
언제 eonje when
wae why
어떻게 eotteoke how
얼마 eolma how much (price)
얼마나 eolmana how much / how long (extent)
myeot how many / what number
몇 개 myeot gae how many items
몇 시 myeot si what time
며칠 myeochil what date / how many days
무슨 museun what kind of / which (modifier)
어느 eoneu which (of a set)
어떤 eotteon what kind of
어느 것 eoneu geot which one
몇 명 myeot myeong how many people
어디예요 eodiyeyo where is it? (question phrase)
무슨 일 museun il what's the matter / what's going on
왜요 waeyo why? (polite)
어떡해 eotteokhae what should I do / what now

💡 Good to know

뭐 and 무엇 both mean 'what' — 뭐 is conversational (뭐예요?), 무엇 is formal (무엇입니까?). 몇 means 'how many' and always appears with a counter: 몇 개 (how many items), 몇 시 (what time). 누가 is the subject form of 누구 (who does…).

Lesson: This/that/what →Lesson: Introduce yourself →

FAQ

How do you say what in Korean?
뭐 (mwo) is the everyday casual form. 무엇 (mueot) is the formal version. In speech, 뭐예요? (What is it?) is most common.
What is the difference between 누구 and 누가 in Korean?
누구 is the object/neutral form of 'who' used after particles: 누구예요? (Who is it?). 누가 is the subject form when the person is doing the action: 누가 했어요? (Who did it?).
How do you ask what time is it in Korean?
몇 시예요? (myeot siyeyo?) means 'What time is it?'. 몇 means 'what number / how many' and always comes with a counter like 시 (hour) or 개 (item).
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Written by Alvin Lim Certified Korean Language Teacher (Level 2)