두렵다 Korean adjective conjugation
to be fearful, to be scared
Every form of 두렵다 across the four speech levels. It is ㅂ irregular — ㅂ becomes 우 before a vowel: 춥다 → 추워요.
기본형Principal parts
The four forms the dictionary prints. Every other form on this page is derived from them.
- 관형사형Modifier
- 두려운
- 아/어Infinitive
- 두려워
- -으니Since
- 두려우니
- 합니다Formal
- 두렵습니다
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.
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 두려워요 | 두렵습니다 | 두려워 | 두렵다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 두려웠어요 | 두려웠습니다 | 두려웠어 | 두려웠다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 두렵겠어요 | 두렵겠습니다 | 두렵겠어 | 두렵겠다 |
| -을 것이다Going to | 두려울 거예요 | 두려울 것입니다 | 두려울 거야 | 두려울 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 두려워요? | 두렵습니까? | 두려워? | 두려우니? |
| 과거Past | 두려웠어요? | 두려웠습니까? | 두려웠어? | 두려웠니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 두려워요 | 안 두렵습니다 | 안 두려워 | 안 두렵다 |
| -지 않다Not (long) | 두렵지 않아요 | 두렵지 않습니다 | 두렵지 않아 | 두렵지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 두려우세요 | 두려우십니다 | 두려우셔 | 두려우시다 |
| 과거Past | 두려우셨어요 | 두려우셨습니다 | 두려우셨어 | 두려우셨다 |
관형사형Modifying a noun
- 현재Present
- 두려운
- 과거Past
- 두려운
- 미래Future
- 두려울
- 회상Used to
- 두렵던
연결Joining clauses
- -고and
- 두렵고
- -게-ly / so that
- 두렵게
- -어서so / and then
- 두려워서
- -으니까since
- 두려우니까
- -으면if / when
- 두려우면
- -지만but
- 두렵지만
- -는데and / but (setting up)
- 두려운데
- -어도even if
- 두려워도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2가 두렵다
예문In real sentences
From the dictionary, each with its translation.
나는 죽는 게 두렵다.
I'm afraid of dying.
난 죽음이 두렵지 않다.
I do not fear death.
실수하는 게 조금 두려워요.
I'm a little afraid of making mistakes.
그 부분이 가장 두려웠어요.
And that was my biggest fear at the time.
자주 묻는 질문Common questions
How do you conjugate 두렵다 in Korean?
두렵다 (to be fearful, to be scared) is 두려워요 in the polite 해요체, 두렵습니다 in formal 합니다체, 두려워 in casual 반말 and 두렵다 in the plain written style. The past is 두려웠어요.
What is the past tense of 두렵다?
두려웠어요 in everyday polite speech, 두려웠습니다 formally. It is built from the 아/어 form 두려워 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 두렵다 irregular?
Yes — it is ㅂ irregular (ㅂ 불규칙). ㅂ becomes 우 before a vowel: 춥다 → 추워요. That is why the stem looks different in 두려워 and 두려우니 but unchanged in 두렵습니다.
What TOPIK level is 두렵다?
4급 — TOPIK 4, upper 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.