쓰다 Korean adjective conjugation

to be bitter

Every form of 쓰다 across the four speech levels. It is 으 irregular — The stem 으 drops before a vowel ending: 쓰다 → 써요.

기본형Principal parts

The four forms the dictionary prints. Every other form on this page is derived from them.

관형사형Modifier
아/어Infinitive
-으니Since
쓰니
합니다Formal
씁니다

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 써요씁니다쓰다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 썼어요썼습니다썼어썼다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 쓰겠어요쓰겠습니다쓰겠어쓰겠다
-을 것이다Going to 쓸 거예요쓸 것입니다쓸 거야쓸 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 써요?씁니까?써?쓰니?
과거Past 썼어요?썼습니까?썼어?썼니?

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 써요안 씁니다안 써안 쓰다
-지 않다Not (long) 쓰지 않아요쓰지 않습니다쓰지 않아쓰지 않다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 쓰세요쓰십니다쓰셔쓰시다
과거Past 쓰셨어요쓰셨습니다쓰셨어쓰셨다

관형사형Modifying a noun

현재Present
과거Past
미래Future
회상Used to
쓰던

연결Joining clauses

-고and
쓰고
-게-ly / so that
쓰게
-어서so / and then
써서
-으니까since
쓰니까
-으면if / when
쓰면
-지만but
쓰지만
-는데and / but (setting up)
쓴데
-어도even if
써도

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.

SPOT 시계는 시장에서 쓴 맛을 봤지만

I liked the Microsoft SPOT Watch.

쓴 맛은 싫어하고, 시끄러운 것을 싫어하고,

There's an amazing amount of stuff that's built into the brain.

그러면 우리 뇌는 무엇이 달고 쓴지 알게 됩니다.

This allows our brain to know what's sweet and what's bitter.

끝 방은 고양이가 쓰죠

Cat's room on the end.

자주 묻는 질문Common questions

How do you conjugate 쓰다 in Korean?

쓰다 (to be bitter) is 써요 in the polite 해요체, 씁니다 in formal 합니다체, 써 in casual 반말 and 쓰다 in the plain written style. The past is 썼어요.

What is the past tense of 쓰다?

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

Is 쓰다 irregular?

Yes — it is 으 irregular (으 불규칙). The stem 으 drops before a vowel ending: 쓰다 → 써요. That is why the stem looks different in 써 and 쓰니 but unchanged in 씁니다.

What TOPIK level is 쓰다?

1급 — TOPIK 1, beginner.

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.