적당하다

to be suitable, appropriate

Principal parts

관형사형Modifier
적당한
아/어Infinitive
적당해
-으니Since
적당하니
합니다Formal
적당합니다

Present

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 적당해요적당합니다적당해적당하다

Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 적당했어요적당했습니다적당했어적당했다

Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 적당하겠어요적당하겠습니다적당하겠어적당하겠다
-을 것이다Going to 적당할 거예요적당할 것입니다적당할 거야적당할 것이다

Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 적당해요?적당합니까?적당해?적당하니?
과거Past 적당했어요?적당했습니까?적당했어?적당했니?

Negation

해요체Polite합니다체Formal해체Casual한다체Plain
안Not (short) 안 적당해요안 적당합니다안 적당해안 적당하다
-지 않다Not (long) 적당하지 않아요적당하지 않습니다적당하지 않아적당하지 않다

Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 적당하세요적당하십니다적당하셔적당하시다
과거Past 적당하셨어요적당하셨습니다적당하셨어적당하셨다

Modifying a noun

현재Present
적당한
과거Past
적당한
미래Future
적당할
회상Used to
적당하던

Joining clauses

-고and
적당하고
-게-ly / so that
적당하게
-어서so / and then
적당해서
-으니까since
적당하니까
-으면if / when
적당하면
-지만but
적당하지만
-는데and / but (setting up)
적당한데
-어도even if
적당해도

Sentence patterns

In real sentences

적당하네요. 원에 가까워 보입니다.

That's fair enough. That's close enough to a circle

그래서 적당한 방법을 하나 찾았는데요.

We thought we were getting somewhere.

적당한 정도의 스트레스를 경험하신 분은요?

How about a moderate amount of stress?

달은 적당한 크기로서 크지만 너무 크지는 않아요.

The moon is just the right size: big but not too big.

Common questions

How do you conjugate 적당하다 in Korean?

적당하다 (to be suitable, appropriate) is 적당해요 in the polite 해요체, 적당합니다 in formal 합니다체, 적당해 in casual 반말 and 적당하다 in the plain written style. The past is 적당했어요.

What is the past tense of 적당하다?

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

Is 적당하다 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 적당하여 and 적당하니 but unchanged in 적당합니다.

What TOPIK level is 적당하다?

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.