깊다 Korean adjective conjugation
to be deep
Every form of 깊다 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
- 깊은
- 아/어Infinitive
- 깊어
- -으니Since
- 깊으니
- 합니다Formal
- 깊습니다
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 | 깊어요 | 깊습니다 | 깊어 | 깊다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 깊었어요 | 깊었습니다 | 깊었어 | 깊었다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 깊겠어요 | 깊겠습니다 | 깊겠어 | 깊겠다 |
| -을 것이다Going to | 깊을 거예요 | 깊을 것입니다 | 깊을 거야 | 깊을 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 깊어요? | 깊습니까? | 깊어? | 깊으니? |
| 과거Past | 깊었어요? | 깊었습니까? | 깊었어? | 깊었니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 깊어요 | 안 깊습니다 | 안 깊어 | 안 깊다 |
| -지 않다Not (long) | 깊지 않아요 | 깊지 않습니다 | 깊지 않아 | 깊지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 깊으세요 | 깊으십니다 | 깊으셔 | 깊으시다 |
| 과거Past | 깊으셨어요 | 깊으셨습니다 | 깊으셨어 | 깊으셨다 |
관형사형Modifying a noun
- 현재Present
- 깊은
- 과거Past
- 깊은
- 미래Future
- 깊을
- 회상Used to
- 깊던
연결Joining clauses
- -고and
- 깊고
- -게-ly / so that
- 깊게
- -어서so / and then
- 깊어서
- -으니까since
- 깊으니까
- -으면if / when
- 깊으면
- -지만but
- 깊지만
- -는데and / but (setting up)
- 깊은데
- -어도even if
- 깊어도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 깊다
예문In real sentences
From the dictionary, each with its translation.
보다 깊은 뜻이 있어요.
It's more profound than that.
그보다 더 깊을 때도 있어요.
Sometimes it goes further.
밤이 깊었습니다.
It grew late.
이 물이 얼마나 깊다고 생각해?
How deep do you think the water is?
자주 묻는 질문Common questions
How do you conjugate 깊다 in Korean?
깊다 (to be deep) is 깊어요 in the polite 해요체, 깊습니다 in formal 합니다체, 깊어 in casual 반말 and 깊다 in the plain written style. The past is 깊었어요.
What is the past tense of 깊다?
깊었어요 in everyday polite speech, 깊었습니다 formally. It is built from the 아/어 form 깊어 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 깊다 a regular verb?
Yes. Its stem never changes shape: 깊습니다, 깊어, 깊으니 all keep 깊 intact. Only the ending moves.
What TOPIK level is 깊다?
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.