의심스럽다 Korean adjective conjugation
to be doubtful, suspicious
Every form of 의심스럽다 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
- 의심스러운
- 아/어Infinitive
- 의심스러워
- -으니Since
- 의심스러우니
- 합니다Formal
- 의심스럽습니다
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 | 의심스러워요 | 의심스럽습니다 | 의심스러워 | 의심스럽다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 의심스러웠어요 | 의심스러웠습니다 | 의심스러웠어 | 의심스러웠다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 의심스럽겠어요 | 의심스럽겠습니다 | 의심스럽겠어 | 의심스럽겠다 |
| -을 것이다Going to | 의심스러울 거예요 | 의심스러울 것입니다 | 의심스러울 거야 | 의심스러울 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 의심스러워요? | 의심스럽습니까? | 의심스러워? | 의심스러우니? |
| 과거Past | 의심스러웠어요? | 의심스러웠습니까? | 의심스러웠어? | 의심스러웠니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 의심스러워요 | 안 의심스럽습니다 | 안 의심스러워 | 안 의심스럽다 |
| -지 않다Not (long) | 의심스럽지 않아요 | 의심스럽지 않습니다 | 의심스럽지 않아 | 의심스럽지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 의심스러우세요 | 의심스러우십니다 | 의심스러우셔 | 의심스러우시다 |
| 과거Past | 의심스러우셨어요 | 의심스러우셨습니다 | 의심스러우셨어 | 의심스러우셨다 |
관형사형Modifying a noun
- 현재Present
- 의심스러운
- 과거Past
- 의심스러운
- 미래Future
- 의심스러울
- 회상Used to
- 의심스럽던
연결Joining clauses
- -고and
- 의심스럽고
- -게-ly / so that
- 의심스럽게
- -어서so / and then
- 의심스러워서
- -으니까since
- 의심스러우니까
- -으면if / when
- 의심스러우면
- -지만but
- 의심스럽지만
- -는데and / but (setting up)
- 의심스러운데
- -어도even if
- 의심스러워도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2가 의심스럽다
예문In real sentences
From the dictionary, each with its translation.
의심스러웠을 수도 있겠죠
Did they definitely have their eyes closed?
의심스러우면, 내버려두지 말아라.
When you feel doubt, don't let it go.
의심스러운 차량이 다가온다
Suspicious vehicle approaching. OK.
솔직히 저는 의심스럽거든요
I mean, to me it's downright suspicious.
자주 묻는 질문Common questions
How do you conjugate 의심스럽다 in Korean?
의심스럽다 (to be doubtful, suspicious) is 의심스러워요 in the polite 해요체, 의심스럽습니다 in formal 합니다체, 의심스러워 in casual 반말 and 의심스럽다 in the plain written style. The past is 의심스러웠어요.
What is the past tense of 의심스럽다?
의심스러웠어요 in everyday polite speech, 의심스러웠습니다 formally. It is built from the 아/어 form 의심스러워 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 의심스럽다 irregular?
Yes — it is ㅂ irregular (ㅂ 불규칙). ㅂ becomes 우 before a vowel: 춥다 → 추워요. That is why the stem looks different in 의심스러워 and 의심스러우니 but unchanged in 의심스럽습니다.
What TOPIK level is 의심스럽다?
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.