딱딱하다 Korean adjective conjugation

to be hard, firm

Every form of 딱딱하다 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
딱딱한
아/어Infinitive
딱딱해
-으니Since
딱딱하니
합니다Formal
딱딱합니다

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 딱딱해요딱딱합니다딱딱해딱딱하다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 딱딱했어요딱딱했습니다딱딱했어딱딱했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 딱딱하겠어요딱딱하겠습니다딱딱하겠어딱딱하겠다
-을 것이다Going to 딱딱할 거예요딱딱할 것입니다딱딱할 거야딱딱할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 딱딱해요?딱딱합니까?딱딱해?딱딱하니?
과거Past 딱딱했어요?딱딱했습니까?딱딱했어?딱딱했니?

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 딱딱해요안 딱딱합니다안 딱딱해안 딱딱하다
-지 않다Not (long) 딱딱하지 않아요딱딱하지 않습니다딱딱하지 않아딱딱하지 않다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 딱딱하세요딱딱하십니다딱딱하셔딱딱하시다
과거Past 딱딱하셨어요딱딱하셨습니다딱딱하셨어딱딱하셨다

관형사형Modifying a noun

현재Present
딱딱한
과거Past
딱딱한
미래Future
딱딱할
회상Used to
딱딱하던

연결Joining clauses

-고and
딱딱하고
-게-ly / so that
딱딱하게
-어서so / and then
딱딱해서
-으니까since
딱딱하니까
-으면if / when
딱딱하면
-지만but
딱딱하지만
-는데and / but (setting up)
딱딱한데
-어도even if
딱딱해도

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.

완전 딱딱한 적 없어

Oh, he never gets fully hard.

그거 딱딱해?

Is it hard?

완전 딱딱하죠.

It's very flat, kind of rigid.

이름이 너무 딱딱하긴 한데, 큰 도움이 됐어요.

It's a very dry name, but bear with me, it's super helpful.

자주 묻는 질문Common questions

How do you conjugate 딱딱하다 in Korean?

딱딱하다 (to be hard, firm) is 딱딱해요 in the polite 해요체, 딱딱합니다 in formal 합니다체, 딱딱해 in casual 반말 and 딱딱하다 in the plain written style. The past is 딱딱했어요.

What is the past tense of 딱딱하다?

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

Is 딱딱하다 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 딱딱하여 and 딱딱하니 but unchanged in 딱딱합니다.

What TOPIK level is 딱딱하다?

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.