위험하다 Korean adjective conjugation

to be dangerous

Every form of 위험하다 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
위험한
아/어Infinitive
위험해
-으니Since
위험하니
합니다Formal
위험합니다

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 위험해요위험합니다위험해위험하다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 위험했어요위험했습니다위험했어위험했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 위험하겠어요위험하겠습니다위험하겠어위험하겠다
-을 것이다Going to 위험할 거예요위험할 것입니다위험할 거야위험할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 위험해요?위험합니까?위험해?위험하니?
과거Past 위험했어요?위험했습니까?위험했어?위험했니?

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 위험해요안 위험합니다안 위험해안 위험하다
-지 않다Not (long) 위험하지 않아요위험하지 않습니다위험하지 않아위험하지 않다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 위험하세요위험하십니다위험하셔위험하시다
과거Past 위험하셨어요위험하셨습니다위험하셨어위험하셨다

관형사형Modifying a noun

현재Present
위험한
과거Past
위험한
미래Future
위험할
회상Used to
위험하던

연결Joining clauses

-고and
위험하고
-게-ly / so that
위험하게
-어서so / and then
위험해서
-으니까since
위험하니까
-으면if / when
위험하면
-지만but
위험하지만
-는데and / but (setting up)
위험한데
-어도even if
위험해도

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.

그러면 네가 위험해져.

That will put you in danger.

위험하게 여겨지죠.

That's a danger.

이게 진짜 위험할까요?

Is there a real risk?

이것은 얼마나 위험할까요?

How risky is this?

자주 묻는 질문Common questions

How do you conjugate 위험하다 in Korean?

위험하다 (to be dangerous) is 위험해요 in the polite 해요체, 위험합니다 in formal 합니다체, 위험해 in casual 반말 and 위험하다 in the plain written style. The past is 위험했어요.

What is the past tense of 위험하다?

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

Is 위험하다 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 위험하여 and 위험하니 but unchanged in 위험합니다.

What TOPIK level is 위험하다?

2급 — TOPIK 2, elementary.

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.