더럽다

to be dirty

Principal parts

관형사형Modifier
더러운
아/어Infinitive
더러워
-으니Since
더러우니
합니다Formal
더럽습니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 더러워요더럽습니다더러워더럽다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 더러웠어요더러웠습니다더러웠어더러웠다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 더럽겠어요더럽겠습니다더럽겠어더럽겠다
-을 것이다Going to 더러울 거예요더러울 것입니다더러울 거야더러울 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 더러워요?더럽습니까?더러워?더러우니?
과거Past 더러웠어요?더러웠습니까?더러웠어?더러웠니?

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 더러워요안 더럽습니다안 더러워안 더럽다
-지 않다Not (long) 더럽지 않아요더럽지 않습니다더럽지 않아더럽지 않다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 더러우세요더러우십니다더러우셔더러우시다
과거Past 더러우셨어요더러우셨습니다더러우셨어더러우셨다

Modifying a noun

현재Present
더러운
과거Past
더러운
미래Future
더러울
회상Used to
더럽던

Joining clauses

-고and
더럽고
-게-ly / so that
더럽게
-어서so / and then
더러워서
-으니까since
더러우니까
-으면if / when
더러우면
-지만but
더럽지만
-는데and / but (setting up)
더러운데
-어도even if
더러워도

Sentence patterns

In real sentences

그 식당은 너무 더러워요.

That restaurant is too dirty.

더럽다고 생각하실 수 있습니다.

It's pretty disgusting.

하지만 생산 과정은 매우 더럽습니다.

It's really dirty in production.

저를 더럽고 쉬운 여자로 생각하더군요.

I have been considered loose and dirty for playing an instrument.

Common questions

How do you conjugate 더럽다 in Korean?

더럽다 (to be dirty) is 더러워요 in the polite 해요체, 더럽습니다 in formal 합니다체, 더러워 in casual 반말 and 더럽다 in the plain written style. The past is 더러웠어요.

What is the past tense of 더럽다?

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

Is 더럽다 irregular?

Yes — it is ㅂ irregular (ㅂ 불규칙). ㅂ becomes 우 before a vowel: 춥다 → 추워요. That is why the stem looks different in 더러워 and 더러우니 but unchanged in 더럽습니다.

What TOPIK level is 더럽다?

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.