무겁다

to be heavy

Principal parts

관형사형Modifier
무거운
아/어Infinitive
무거워
-으니Since
무거우니
합니다Formal
무겁습니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 무거워요무겁습니다무거워무겁다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 무거웠어요무거웠습니다무거웠어무거웠다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 무겁겠어요무겁겠습니다무겁겠어무겁겠다
-을 것이다Going to 무거울 거예요무거울 것입니다무거울 거야무거울 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 무거워요?무겁습니까?무거워?무거우니?
과거Past 무거웠어요?무거웠습니까?무거웠어?무거웠니?

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 무거워요안 무겁습니다안 무거워안 무겁다
-지 않다Not (long) 무겁지 않아요무겁지 않습니다무겁지 않아무겁지 않다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 무거우세요무거우십니다무거우셔무거우시다
과거Past 무거우셨어요무거우셨습니다무거우셨어무거우셨다

Modifying a noun

현재Present
무거운
과거Past
무거운
미래Future
무거울
회상Used to
무겁던

Joining clauses

-고and
무겁고
-게-ly / so that
무겁게
-어서so / and then
무거워서
-으니까since
무거우니까
-으면if / when
무거우면
-지만but
무겁지만
-는데and / but (setting up)
무거운데
-어도even if
무거워도

Sentence patterns

In real sentences

아주 어렵고 무거운 과제이죠.

It's a massive innovation challenge.

요즘들어 꽤 무거운 질문이 되었다고 생각합니다.

And I'd say this is a pressing question these days.

이게 무겁게 들린다면, 진짜 그렇기 때문입니다.

If that sounds heavy, that's because it is.

STriDER I 의 문제는 너무 무겁다는 것입니다.

The problem we had with STriDER I is, it was just too heavy in the body.

Common questions

How do you conjugate 무겁다 in Korean?

무겁다 (to be heavy) is 무거워요 in the polite 해요체, 무겁습니다 in formal 합니다체, 무거워 in casual 반말 and 무겁다 in the plain written style. The past is 무거웠어요.

What is the past tense of 무겁다?

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

Is 무겁다 irregular?

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

What TOPIK level is 무겁다?

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.