대단하다 Korean adjective conjugation

to be great, outstanding, incredible

Every form of 대단하다 across the four speech levels. It is 여 irregular — 하다 and every verb built on it: 하다 → 하여 → 해요.

기본형Principal parts

The four forms the dictionary prints. Every other form on this page is derived from them.

관형사형Modifier
대단한
아/어Infinitive
대단해
-으니Since
대단하니
합니다Formal
대단합니다

현재Present

The tense that does the most work. 해요체 is the one to learn first — it is polite without being formal, and it is what most conversation is in.

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 대단해요대단합니다대단해대단하다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 대단했어요대단했습니다대단했어대단했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 대단하겠어요대단하겠습니다대단하겠어대단하겠다
-을 것이다Going to 대단할 거예요대단할 것입니다대단할 거야대단할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 대단해요?대단합니까?대단해?대단하니?
과거Past 대단했어요?대단했습니까?대단했어?대단했니?

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 대단해요안 대단합니다안 대단해안 대단하다
-지 않다Not (long) 대단하지 않아요대단하지 않습니다대단하지 않아대단하지 않다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 대단하세요대단하십니다대단하셔대단하시다
과거Past 대단하셨어요대단하셨습니다대단하셨어대단하셨다

관형사형Modifying a noun

현재Present
대단한
과거Past
대단한
미래Future
대단할
회상Used to
대단하던

연결Joining clauses

-고and
대단하고
-게-ly / so that
대단하게
-어서so / and then
대단해서
-으니까since
대단하니까
-으면if / when
대단하면
-지만but
대단하지만
-는데and / but (setting up)
대단한데
-어도even if
대단해도

문형Sentence patterns

How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.

예문In real sentences

From the dictionary, each with its translation.

이게 얼마나 대단하지 생각해 보세요.

Think about how extraordinary this is.

즐거운 TED였길 바라요. 여긴 정말 대단해요.

Happy TED. It's so wonderful here. I love it. I love it. I love it.

대단하죠. 여러분 같은 관객들이 이런 일을 만들어냅니다.

You know, audiences like you, yeah, make the event.

대단하군요. 저는 여러분들이 교육의 미래를 봤다고 생각합니다.

I think you just got a glimpse of the future of education.

자주 묻는 질문Common questions

How do you conjugate 대단하다 in Korean?

대단하다 (to be great, outstanding, incredible) is 대단해요 in the polite 해요체, 대단합니다 in formal 합니다체, 대단해 in casual 반말 and 대단하다 in the plain written style. The past is 대단했어요.

What is the past tense of 대단하다?

대단했어요 in everyday polite speech, 대단했습니다 formally. It is built from the 아/어 form 대단하여 plus ㅆ, which is why an irregular stem shows its irregularity here.

Is 대단하다 irregular?

Yes — it is 여 irregular (여 불규칙). 하다 and every verb built on it: 하다 → 하여 → 해요. That is why the stem looks different in 대단하여 and 대단하니 but unchanged in 대단합니다.

What TOPIK level is 대단하다?

3급 — TOPIK 3, lower intermediate.

Dictionary form, meaning, sentence patterns, examples and audio from the 국립국어원 한국어기초사전, used under CC BY-SA 2.0 KR.

Conjugations are generated by this site's own engine and checked against the 9,380 forms the dictionary publishes on every build.