쇠약하다 Korean adjective conjugation
to be weak
Every form of 쇠약하다 across the four speech levels. It is 여 irregular — 하다 and every verb built on it: 하다 → 하여 → 해요.
기본형Principal parts
The four forms the dictionary prints. Every other form on this page is derived from them.
- 관형사형Modifier
- 쇠약한
- 아/어Infinitive
- 쇠약해
- -으니Since
- 쇠약하니
- 합니다Formal
- 쇠약합니다
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 | 쇠약해요 | 쇠약합니다 | 쇠약해 | 쇠약하다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 쇠약했어요 | 쇠약했습니다 | 쇠약했어 | 쇠약했다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 쇠약하겠어요 | 쇠약하겠습니다 | 쇠약하겠어 | 쇠약하겠다 |
| -을 것이다Going to | 쇠약할 거예요 | 쇠약할 것입니다 | 쇠약할 거야 | 쇠약할 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 쇠약해요? | 쇠약합니까? | 쇠약해? | 쇠약하니? |
| 과거Past | 쇠약했어요? | 쇠약했습니까? | 쇠약했어? | 쇠약했니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 쇠약해요 | 안 쇠약합니다 | 안 쇠약해 | 안 쇠약하다 |
| -지 않다Not (long) | 쇠약하지 않아요 | 쇠약하지 않습니다 | 쇠약하지 않아 | 쇠약하지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 쇠약하세요 | 쇠약하십니다 | 쇠약하셔 | 쇠약하시다 |
| 과거Past | 쇠약하셨어요 | 쇠약하셨습니다 | 쇠약하셨어 | 쇠약하셨다 |
관형사형Modifying a noun
- 현재Present
- 쇠약한
- 과거Past
- 쇠약한
- 미래Future
- 쇠약할
- 회상Used to
- 쇠약하던
연결Joining clauses
- -고and
- 쇠약하고
- -게-ly / so that
- 쇠약하게
- -어서so / and then
- 쇠약해서
- -으니까since
- 쇠약하니까
- -으면if / when
- 쇠약하면
- -지만but
- 쇠약하지만
- -는데and / but (setting up)
- 쇠약한데
- -어도even if
- 쇠약해도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 쇠약하다
예문In real sentences
From the dictionary, each with its translation.
매일 소녀들의 생명이 쇠약해져만 가고 있습니다.
Every day, girls' lives are being wasted away.
하지만 진짜 질병은 훨씬 드물고 사람을 굉장히 쇠약하게 만든다.
But the actual disorder is far more rare and can be quite debilitating.
신체가 쇠약해짐에도 그들을 맞이한 에이미는 정말 용감했죠.
How brave of Amy to receive them, even as she began her physical decline.
영군님은 오랫동안 밥을 먹지 않아서 몸이 많이 쇠약해져 있어요
She hasn't eaten for a long time and is very weak.
자주 묻는 질문Common questions
How do you conjugate 쇠약하다 in Korean?
쇠약하다 (to be weak) is 쇠약해요 in the polite 해요체, 쇠약합니다 in formal 합니다체, 쇠약해 in casual 반말 and 쇠약하다 in the plain written style. The past is 쇠약했어요.
What is the past tense of 쇠약하다?
쇠약했어요 in everyday polite speech, 쇠약했습니다 formally. It is built from the 아/어 form 쇠약하여 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 쇠약하다 irregular?
Yes — it is 여 irregular (여 불규칙). 하다 and every verb built on it: 하다 → 하여 → 해요. That is why the stem looks different in 쇠약하여 and 쇠약하니 but unchanged in 쇠약합니다.
What TOPIK level is 쇠약하다?
It carries no TOPIK grade. That is a fact about the published word lists rather than about the word — it conjugates by exactly the same rules as everything else.
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.