완벽하다 Korean adjective conjugation
to be perfect
Every form of 완벽하다 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
- 완벽한
- 아/어Infinitive
- 완벽해
- -으니Since
- 완벽하니
- 합니다Formal
- 완벽합니다
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 | 완벽해요 | 완벽합니다 | 완벽해 | 완벽하다 |
과거Past
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 서술Statement | 완벽했어요 | 완벽했습니다 | 완벽했어 | 완벽했다 |
미래·추측Future & presumptive
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| -겠-Will / must be | 완벽하겠어요 | 완벽하겠습니다 | 완벽하겠어 | 완벽하겠다 |
| -을 것이다Going to | 완벽할 거예요 | 완벽할 것입니다 | 완벽할 거야 | 완벽할 것이다 |
의문Questions
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 완벽해요? | 완벽합니까? | 완벽해? | 완벽하니? |
| 과거Past | 완벽했어요? | 완벽했습니까? | 완벽했어? | 완벽했니? |
부정Negation
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 안Not (short) | 안 완벽해요 | 안 완벽합니다 | 안 완벽해 | 안 완벽하다 |
| -지 않다Not (long) | 완벽하지 않아요 | 완벽하지 않습니다 | 완벽하지 않아 | 완벽하지 않다 |
높임Honorific
| 해요체Polite | 합니다체Formal | 해체Casual | 한다체Plain | |
|---|---|---|---|---|
| 현재Present | 완벽하세요 | 완벽하십니다 | 완벽하셔 | 완벽하시다 |
| 과거Past | 완벽하셨어요 | 완벽하셨습니다 | 완벽하셨어 | 완벽하셨다 |
관형사형Modifying a noun
- 현재Present
- 완벽한
- 과거Past
- 완벽한
- 미래Future
- 완벽할
- 회상Used to
- 완벽하던
연결Joining clauses
- -고and
- 완벽하고
- -게-ly / so that
- 완벽하게
- -어서so / and then
- 완벽해서
- -으니까since
- 완벽하니까
- -으면if / when
- 완벽하면
- -지만but
- 완벽하지만
- -는데and / but (setting up)
- 완벽한데
- -어도even if
- 완벽해도
문형Sentence patterns
How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.
- 1이 완벽하다
예문In real sentences
From the dictionary, each with its translation.
그들이 완벽하길 바라지요.
We expect them to pose perfectly.
하지만 아직 완벽하지 않습니다.
And the circumstances were less than optimal, shall we say.
그들 모두가 완벽하게 안정적일까요?
Are every single one of them going to be perfectly stable?
이 모든 것에서 완벽함을 탓할 건가요?
I mean, are you ready to make perfection the bad guy in all this?
자주 묻는 질문Common questions
How do you conjugate 완벽하다 in Korean?
완벽하다 (to be perfect) is 완벽해요 in the polite 해요체, 완벽합니다 in formal 합니다체, 완벽해 in casual 반말 and 완벽하다 in the plain written style. The past is 완벽했어요.
What is the past tense of 완벽하다?
완벽했어요 in everyday polite speech, 완벽했습니다 formally. It is built from the 아/어 form 완벽하여 plus ㅆ, which is why an irregular stem shows its irregularity here.
Is 완벽하다 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 완벽하여 and 완벽하니 but unchanged in 완벽합니다.
What TOPIK level is 완벽하다?
4급 — TOPIK 4, upper intermediate.
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.