Switching Between Casual and Polite Speech, and Forms of Address

Banmal (the casual '해체' style) is used with friends or younger people, while jondaetmal is the polite form. To make banmal, you simply drop the final '요'.

Polite to casual

PoliteCasualMeaning
가요가go
먹어요먹어eat
좋아요좋아(it's) good
뭐 해요?뭐 해?what are you doing?
고마워요고마워thanks
미안해요미안해sorry
같이 가요같이 가자let's go together
어디 가요? → 어디 가?
Eo-di ga-yo? → Eo-di ga?
Where are you going? (polite to casual)
내일 같이 영화 봐요. → 내일 같이 영화 봐.
Nae-il ga-chi yeong-hwa bwa-yo. → Nae-il ga-chi yeong-hwa bwa.
Let's watch a movie together tomorrow. (polite to casual)
밥 먹었어? 나는 아직.
Bap meog-eoss-eo? Na-neun a-jik.
Did you eat? I haven't yet. (casual)

Forms of address

Koreans often address people by relationship or title rather than by name. For a superior, title + '님' is more respectful than name + '씨'.

AddressUsageRomanization
민수 씨name + 씨: equal or mildly politeMin-su ssi
선생님 / 사장님title + 님: politeseon-saeng-nim / sa-jang-nim
언니/오빠/형/누나an older person you are close toeon-ni/o-ppa/hyeong/nu-na
과장님, 잠깐 시간 괜찮으세요?
Gwa-jang-nim, jam-kkan si-gan gwaen-chan-eu-se-yo?
Manager, do you have a moment? (title + honorific)
언니, 이거 너무 잘 어울려요!
Eon-ni, i-geo neo-mu jal eo-ul-lyeo-yo!
Sis, this suits you so well! (address + polite)

Common mistakes

Do not call a superior by their bare given name. At work it is safer to use title + '님', such as '과장님', rather than name + '씨', such as '민수 씨'.

💡 Tip: Always start with polite speech when meeting strangers or superiors. Use banmal only once the other person allows it or you have become close enough.
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