How to Say Congratulations in Korean: 9 Ways, and Who You Can Say Each One To

How to say congratulations in Korean looks like a one-word problem: 축하 (chukha). It isn't. The word never changes — the ending does, and the ending is what tells the room whether you just honoured your partner's father or spoke to him like a classmate.

Almost nobody gets this wrong from missing vocabulary. They get it wrong because they learned 축하해 (chukhahae) from a drama and then said it to somebody's mother at a wedding.

So: one word, four endings, plus a few things friends actually say instead of the textbook line. You pick by who is standing in front of you, not by what the occasion is. Indoor birthday BBQ setup with food variety, flowers, and a playful date decor.

SituationCongratulating someone in Korean
How much politeness mattersHigh - the ending changes with age gap, workplace rank, and whether anyone else is listening
Safe default축하합니다 (chukhahamnida) - 'Congratulations.' Safe with anyone you are not close to.

If You Only Remember One

Say 축하합니다 (chukhahamnida). Pronounced chu-ka-ham-ni-da.

Safe with anyone: strangers, coworkers, people older than you, your friend's parents.

If the person is clearly above you — a boss, a client, a professor, an in-law — use 축하드립니다 (chukhadeurimnida) instead. It is one notch more deferential and never wrong upward.

Save 축하해 (chukhahae) for close friends and people younger than you. Nothing else.

The Expressions, and Who Each One Is For

Jump to a phrase

1. 축하합니다

chukhahamnida (literally: I congratulate you) - pronounced chu-ka-ham-ni-da

The formal polite ending (합쇼체). This is your default for anyone you are not close to: a coworker, a stranger, a neighbour, a friend's parents, anyone older than you.

It works for every occasion — a wedding, a promotion, a new baby, a graduation, a new apartment. If you only ever learn one form, learn this one.

⚠️ Watch out — There is no trap here, which is exactly why it is first: it cannot offend anyone. The only cost is distance — say it to a close friend and they will hear "we are not that close."

2. 축하드립니다

chukhadeurimnida (literally: I humbly offer congratulations)

Same meaning, one step more deferential. 드리다 is the humble counterpart of 하다/주다 — it lowers you rather than lifting them, which is how Korean does respect upward.

Use it for a boss, a client, a professor, your partner's parents, a much older relative, and in anything written: a card, a company message, a speech, a comment on a senior's post.

⚠️ Watch out — Don't aim it at a friend — it sounds like you are reading from a form. One piece of history worth knowing: older prescriptive guides called 축하드리다 over-polite and insisted on 축하합니다, but 국립국어원's 표준 언어 예절 accepts it and it is now the dominant upward form in real use. Use it without second thoughts.

3. 축하해요

chukhahaeyo

The 해요체 — polite but warm. For people you know and are on easy terms with, yet don't speak 반말 to: a neighbour, a coworker a few years older you get on with, a 선배 you like, a friend's partner.

This is the everyday spoken register between adults who are friendly but not intimate.

⚠️ Watch out — Not deferential enough for your boss, and risky with someone's parents the first few times you meet. 해요체 reads as friendly, not as respectful — with anyone clearly senior, switch to 축하드립니다.

4. 축하드려요

chukhadeuryeoyo

The humble 드리다 carried by the softer 해요 ending. Deferential without being ceremonial.

This is what you want for a KakaoTalk message to an older colleague, a phone call to a client you know well, or anything customer-facing. It is extremely common in spoken service Korean.

⚠️ Watch out — Too soft for a formal moment — a wedding speech, an official email or anything in front of an audience wants 축하드립니다. And still far too formal for close friends.

5. 축하해

chukhahae (the plain form of 축하하다)

This is the chukhahae meaning people search for: plain "congrats", in 반말 — the speech level for close friends, people your own age you are comfortable with, younger siblings, your own children.

It is not a shortened 축하합니다. It is a different speech level, and dropping to it uninvited is the single most common way learners embarrass themselves.

⚠️ Watch out — The drama trap. Never to someone older, a boss, a teacher, a parent, an in-law, or anyone you met this week. Even with someone younger than you at work, 축하해요 is the safer choice until they make it clear 반말 is fine.

6. 생일 축하해 / 결혼 축하드립니다

saeng-il chukhahae / gyeolhon chukhadeurimnida (literally: birthday, congratulations / marriage, congratulations)

The pattern is noun + 축하 + ending. The occasion goes in front, and you swap only the ending by audience.

졸업 축하드립니다 (graduation), 합격 축하해 (passing an exam), 취업 축하해요 (getting a job), 승진 축하드립니다 (promotion), 개업 축하드립니다 (opening a business). One pattern, every occasion.

⚠️ Watch out — Don't translate "Happy birthday" as 행복한 생일 (haengbokhan saeng-il) — it is not used. Also: the particle 을/를 does appear in formal and written phrasing (결혼을 축하드립니다), but in ordinary speech people drop it.

7. 잘됐다

jaldwaetda (literally: it turned out well)

What friends actually blurt out when they hear your good news — often before any 축하 at all. This is 반말; the polite forms are 잘됐네요 (jaldwaenneyo) and 잘됐어요 (jaldwaesseoyo).

It carries relief and warmth rather than ceremony, so it fits a job offer, an exam result, a visa finally coming through.

⚠️ Watch out — It comments on the outcome, not on the person, so it lands flat for something they earned over years, and it is simply wrong at a wedding. Never say the 반말 잘됐다 to someone senior — 잘됐네요 at minimum, or just 축하드립니다.

8. 대박

daebak (literally: a jackpot)

A reaction, not a congratulation — closer to "no way" or "that's huge". You throw it in alongside 축하해, not instead of it.

It skews younger speakers: common below roughly forty, used much less by older speakers, and some people find it coarse.

⚠️ Watch out — Never to a boss, a client, a teacher or anyone's parents. 대박이네요 exists, but a polite ending on a slang word does not make it appropriate upward — it just sounds like you forgot where you were.

9. 고생 많으셨습니다

gosaeng maneusyeotseumnida (literally: you have endured much hardship)

For an achievement that visibly cost effort — a thesis, a graduation, a long certification, a project that finally shipped.

It pairs with congratulations rather than replacing it: "축하드립니다. 고생 많으셨습니다." The casual version for a friend is 고생했어 (gosaenghaesseo).

⚠️ Watch out — Usage upward is genuinely contested, and this varies by workplace. Many offices treat 수고하셨습니다 (sugohasyeotseumnida) as something said downward or sideways, never to a superior, and some older speakers dislike 고생 많으셨습니다 aimed at them too. If the person is clearly senior and you can't read the room, 축하드립니다 on its own is the safe move.

A diverse group of colleagues in a meeting, engaging in discussion and using laptops in a modern office. ## How It Sounds in Real Life

Wedding reception - you are a guest and you have met the groom's mother twice.

  • You: 결혼 축하드립니다. (gyeolhon chukhadeurimnida) - Congratulations on the wedding.
  • Groom's mother: 아이고, 와 주셔서 감사합니다. (aigo, wa jusyeoseo gamsahamnida) - Oh, thank you so much for coming.

Office messenger - a coworker your own age, you already speak 반말 together.

  • You: 승진 축하해! 대박이다 진짜. (seungjin chukhahae! daebagida jinjja) - Congrats on the promotion! That's huge.
  • Coworker: 고마워, 운이 좋았어. (gomawo, uni joasseo) - Thanks, I got lucky.

Team meeting - your team lead, fifteen years older, with other people in the room.

  • You: 팀장님, 축하드립니다. 고생 많으셨습니다. (timjangnim, chukhadeurimnida. gosaeng maneusyeotseumnida) - Congratulations, team lead. You worked so hard for this.
  • Team lead: 다 같이 한 거죠. (da gachi han geojyo) - We all did it together.

Phone call - your partner's father, whom you have met three times.

  • You: 아버님, 진심으로 축하드립니다. (abeonim, jinsimeuro chukhadeurimnida) - Sir, my sincere congratulations.
  • Him: 그래, 고맙다. (geurae, gomapda) - Yes, thank you.

Friend's birthday dinner - close friends, same age.

  • You: 생일 축하해! (saeng-il chukhahae) - Happy birthday!
  • Friend: 와 줘서 고마워. (wa jwoseo gomawo) - Thanks for coming.

Which One Do I Pick?

  • Stranger, or someone older than you, or a coworker you aren't close to - 축하합니다. Someone clearly above you (boss, client, professor, in-law) - 축하드립니다. That covers about ninety percent of real situations.
  • If anyone else is listening, go one level more formal than you would one-on-one. Korean deference is partly performed for the room, not only for the person.
  • First meetings always start formal. You can relax the level later once they invite it; you cannot un-say 축하해.
  • Put the occasion in front and swap only the ending: 생일 / 결혼 / 졸업 / 취업 / 승진 / 합격 + 축하 + your ending.
  • If the achievement cost them real effort, add 고생 많으셨습니다 for someone senior, or 고생했어 for a friend, right after the congratulations.
  • To add warmth without touching the politeness level, put 진심으로 (jinsimeuro, "sincerely") or 정말 (jeongmal, "really") in front: 진심으로 축하드립니다.

Mistakes That Give You Away

  • Don't say 축하해 to anyone older than you or above you at work. This is the drama-Korean mistake and it is instantly noticeable. Use 축하드립니다.
  • Don't translate "Happy birthday" literally as 행복한 생일 (haengbokhan saeng-il). Nobody says it. It is 생일 축하합니다 / 생일 축하해.
  • Don't use bare 축하 as an exclamation the way English uses "Congrats!" - it is a noun and sounds like an unfinished sentence. Friends do type 축축 or ㅊㅋ in messages, but spoken 축하 alone lands flat. Say 축하해 or 축하합니다.
  • Don't use 수고하셨습니다 as your congratulations to a superior. In many workplaces it reads as downward praise. Say 축하드립니다, and add 고생 많으셨습니다 only if the relationship is comfortable.
  • Don't reach for 대박 with a boss, a client or anyone's parents, and don't try to rescue it with -요.
  • Don't use 축하 for a divorce, a resignation or anything ambiguous. Korean does not do ironic congratulations - it will be read as an insult, not a joke. Graduate captures a special moment on their smartphone during the ceremony.

What Learners Get Wrong

"축하해 is just the short casual version of 축하합니다 - same politeness, fewer syllables."

They are different speech levels, not long and short forms. 축하해 is 해체 (반말), which signals an established close or downward relationship. Using it with someone senior doesn't sound casual; it sounds like you have decided you outrank them.

"If I put -요 on the end, I'm polite enough for anyone."

해요체 is polite but horizontal - friendly rather than deferential. It is fine for a neighbour or a coworker you like, and noticeably insufficient for your boss in a meeting or for in-laws. Those take 합쇼체: 축하드립니다.

"축하드립니다 is grammatically wrong - my textbook says only 축하합니다 is correct."

That was the old prescriptive position, which treated 드리다 as excessive humility attached to 축하. 국립국어원's 표준 언어 예절 accepts 축하드립니다, and in actual use it is the standard form upward. Your textbook is behind.

"대박 means congratulations."

It means something like "jackpot" or "no way" - a reaction to the news rather than something addressed to the person. It is also slang that skews toward younger speakers, so it cannot carry a congratulation on its own.

Why Korean Has So Many Ways to Say This

In English, the relationship lives in your tone of voice. "Congratulations" said warmly to a friend and said carefully to your boss is the same word; your face and your pitch do the social work. Korean moves that information into the verb ending, where it is written down, audible to everyone in the room, and impossible to fudge.

There are two axes. The first is the speech level, attached to the end of the verb: 축하합니다 (합쇼체, formal), 축하해요 (해요체, polite), 축하해 (해체/반말, plain). Every verb in the language does this, which is why learning congratulations teaches you the shape of everything else: 감사합니다 / 감사해요 / 고마워, 죄송합니다 / 미안해요 / 미안해. Same three slots, same decision.

The second axis is humble vocabulary. Korean has verbs whose job is to lower the speaker instead of raising the listener: 주다 becomes 드리다, 말하다 becomes 말씀드리다, 묻다 becomes 여쭤보다. 축하드립니다 is that mechanism applied here, which is why it outranks 축하합니다 without being any more formal in register. Once you can place a person on those two axes - how far above you, how close to you - you can predict the right phrasing for situations this post never mentions, and you can stop memorising phrase lists.

Related Guides

What You Will Need Next

  • how to say happy birthday in korean
  • how to say thank you in korean politely
  • what to say at a korean wedding

One word, 축하, and the ending does all the social work. Upward or formal: 축하드립니다. Strangers and most coworkers: 축하합니다. Friendly but not close: 축하해요, and 축하해 for close friends only. When you cannot read the room, go one level more formal than feels natural - being slightly too polite costs you nothing in Korean, and being too casual costs you the room.

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