쓸데없다 Korean adjective conjugation
to be useless
Every form of 쓸데없다 across the four speech levels. It is a regular stem, so the endings below attach without changing it.
기본형Principal parts
The four forms the dictionary prints. Every other form on this page is derived from them.
- 관형사형Modifier
- 쓸데없는
- 아/어Infinitive
- 쓸데없어
- -으니Since
- 쓸데없으니
- 합니다Formal
- 쓸데없습니다
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 | 쓸데없어요 | 쓸데없습니다 | 쓸데없어 | 쓸데없다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 쓸데없었어요 | 쓸데없었습니다 | 쓸데없었어 | 쓸데없었다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 쓸데없겠어요 | 쓸데없겠습니다 | 쓸데없겠어 | 쓸데없겠다 |
| -을 것이다Going to | 쓸데없을 거예요 | 쓸데없을 것입니다 | 쓸데없을 거야 | 쓸데없을 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 쓸데없어요? | 쓸데없습니까? | 쓸데없어? | 쓸데없으니? |
| 과거Past | 쓸데없었어요? | 쓸데없었습니까? | 쓸데없었어? | 쓸데없었니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 쓸데없어요 | 안 쓸데없습니다 | 안 쓸데없어 | 안 쓸데없다 |
| -지 않다Not (long) | 쓸데없지 않아요 | 쓸데없지 않습니다 | 쓸데없지 않아 | 쓸데없지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 쓸데없으세요 | 쓸데없으십니다 | 쓸데없으셔 | 쓸데없으시다 |
| 과거Past | 쓸데없으셨어요 | 쓸데없으셨습니다 | 쓸데없으셨어 | 쓸데없으셨다 |
관형사형Modifying a noun
- 현재Present
- 쓸데없는
- 과거Past
- 쓸데없은
- 미래Future
- 쓸데없을
- 회상Used to
- 쓸데없던
연결Joining clauses
- -고and
- 쓸데없고
- -게-ly / so that
- 쓸데없게
- -어서so / and then
- 쓸데없어서
- -으니까since
- 쓸데없으니까
- -으면if / when
- 쓸데없으면
- -지만but
- 쓸데없지만
- -는데and / but (setting up)
- 쓸데없는데
- -어도even if
- 쓸데없어도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 2에/에게 쓸데없다
예문In real sentences
From the dictionary, each with its translation.
쓸데없는 걱정 좀 그만하세요.
Stop worrying yourself needlessly.
그러다가 쓸데없는 욕심을 내게 되죠.
Here's a part of the story, though, where I got a little greedy.
엄청난 시간과 노력이 필요하기에 많은 직원들은 쓸데없는 짓이라고 말하였습니다.
It takes a huge amount of time and effort; lots of people would call it distracting.
어떤 이들은 독서가 쓸데없다고 생각한다.
Some believe reading is a waste of time.
자주 묻는 질문Common questions
How do you conjugate 쓸데없다 in Korean?
쓸데없다 (to be useless) is 쓸데없어요 in the polite 해요체, 쓸데없습니다 in formal 합니다체, 쓸데없어 in casual 반말 and 쓸데없다 in the plain written style. The past is 쓸데없었어요.
What is the past tense of 쓸데없다?
쓸데없었어요 in everyday polite speech, 쓸데없었습니다 formally. It is built from the 아/어 form 쓸데없어 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 쓸데없다 a regular verb?
Yes. Its stem never changes shape: 쓸데없습니다, 쓸데없어, 쓸데없으니 all keep 쓸데없 intact. Only the ending moves.
What TOPIK level is 쓸데없다?
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.