Korean Honorifics: 존댓말 vs 반말 Explained

If you've watched any K-drama, you've heard a character ask, half-nervously, "우리 말 놓을까?" — should we drop the formality? That single moment captures something English doesn't have: Korean is built around honorifics, and almost every sentence quietly signals how you relate to the person you're talking to. The two big modes are 존댓말 (jondaetmal, polite/formal speech) and 반말 (banmal, casual speech). Getting them right isn't just grammar — it's social fluency. This guide explains both, the endings that mark them, when to use each, and the address terms that carry the relationship.

존댓말 vs 반말: the two worlds

존댓말 literally means "respectful speech." It's what you use with strangers, people older than you, customers, teachers, bosses — anyone you want to show respect or keep a polite distance from. 반말 means "half speech": casual, intimate, used with close friends, younger people, family, and partners. The same idea — "I love you," "did you eat?" — can be said either way, and choosing the wrong one sends a strong social signal.

• 밥 먹었어요?bap meogeosseoyo?

  Did you eat? (polite / 존댓말)

  The -요 ending makes it polite — safe with almost anyone.

• 밥 먹었어?bap meogeosseo?

  Did you eat? (casual / 반말)

  Drop the -요 and it's 반말 — for friends, family, or someone close.

The verb endings that mark each level

Korean signals politeness mostly through the verb ending at the end of the sentence. There are three levels worth knowing as a learner:

• Formal polite (-ㅂ니다 / -습니다, the "hamnida" style): the most formal, used in announcements, news, the military, business presentations, and first meetings. 감사합니다 (gamsahamnida, thank you).
• Informal polite (-요, the "haeyo" style): the everyday polite form. Warm but respectful, used in most daily conversation with people you're not close to. 감사해요 (gamsahaeyo).
• Casual / plain (반말, no -요): for close relationships and people younger than or equal to you. 고마워 (gomawo, thanks).

Notice the pattern: 반말 is often just the polite -요 form with the -요 removed. 좋아요 (joayo, polite) becomes 좋아 (joa, casual); 가요 (gayo) becomes 가 (ga). That single syllable carries the entire social weight.

• 안녕하십니까annyeonghasimnikka

  Hello (formal -ㅂ니까)

  The most formal greeting — news anchors, the army, formal speeches.

• 안녕하세요annyeonghaseyo

  Hello (polite -요)

  The everyday polite greeting. Your safe default.

• 안녕annyeong

  Hi / Bye (casual / 반말)

  Only with friends, family, or people younger than you.

When to use which

The decision comes down to age, social status, and closeness. As a learner, the safest rule is simple: default to 존댓말 (the -요 form) with anyone new, older, or in a professional setting. You will never offend someone by being too polite. 반말 is something you ease into.

• Use 존댓말 with: strangers, anyone older, teachers, bosses, customers, service staff, and people you've just met — even peers, until you agree to switch.
• Use 반말 with: close friends your age or younger, younger siblings, children, and partners once you're comfortable. Couples almost always speak 반말.
• When in doubt, stay in 존댓말. Switching down too early reads as presumptuous; staying polite a little too long is never wrong.

Switching to 반말 (말 놓다)

Moving from 존댓말 to 반말 is a real, felt moment in a Korean relationship — it means "we're close now." The phrase for it is 말 놓다 (mal nota), literally "to put down one's words." Crucially, the older or higher-status person usually offers it first; the younger person waits to be invited.

• 우리 말 놓을까요?uri mal noeulkkayo?

  Should we speak casually with each other?

  The classic offer to drop formality — a small but meaningful relationship step.

• 말 편하게 하세요.mal pyeonhage haseyo.

  Please speak comfortably (= you can use 반말 with me).

  An older person giving a younger one permission to relax the formality.

Address terms and titles

Honorifics aren't only about verb endings — they're also about what you call people. Koreans rarely use first names alone for someone older; instead they use relationship terms, which depend on your own gender and the other person's.

• 오빠oppa

  Older brother / older guy (said by a female)

  A woman calls an older male friend, brother, or boyfriend 오빠.

• 형hyeong

  Older brother / older guy (said by a male)

  A man calls an older male 형.

• 누나nuna

  Older sister / older woman (said by a male)

  A man calls an older female 누나.

• 언니eonni

  Older sister / older woman (said by a female)

  A woman calls an older female 언니.

• 선배seonbae

  Senior (at school or work)

  Someone ahead of you in school or your company; 후배 (hubae) is the junior.

• -님 / -씨-nim / -ssi

  Respectful suffix / polite name suffix

  선생님 (teacher), 김민수 씨 (Mr. Kim Minsu). -님 is more respectful than -씨.

How to actually internalize this

Honorifics are the one part of Korean you can't learn from a chart alone — you have to feel when the register should shift. That instinct comes from hearing and using both levels in context. In our AI character chat, characters speak to you in 존댓말 at first and gradually shift to 반말 as your bond deepens, so you experience the 말 놓다 moment exactly as it happens in real relationships — without the pressure of getting it wrong with a real person. For the related question of how 사랑해요 softens into 사랑해, see our guide on how to say "I love you" in Korean, and for the polite greetings you'll start with, see basic Korean greetings.