Verbs · Regular

닫다 conjugation

to close; to shut · datda · sounds like [닫따]

Short answer: “To close” in Korean is 닫다 (datda), which also means to shut. Polite present: 닫아요 (dadayo); past: 닫았어요 (dadasseoyo); future: 닫을 거예요. It is regular.

Present닫아요[다다요] · dadayo
Past닫았어요[다다써요] · dadasseoyo
Future닫을 거예요[다들 꺼예요] · dadeul geoyeyo
Negative안 닫아요[안 다다요] · an dadayo

Opposite: 열다 — to open

닫다 in sentences

문을 닫아 주세요.Please close the door.
은행이 벌써 닫았어요.The bank has already closed.

All forms of 닫다

Present
Polite (해요) is the everyday safe choice; formal (합니다) is for news, announcements and work; casual (반말) is for close friends and younger people.
Form	Korean	Sounds like	Romanized
polite-아/어요	닫아요	[다다요]	dadayo
formal-(스)ㅂ니다	닫습니다	[닫씀니다]	datseumnida
casual-아/어	닫아	[다다]	dada
plain (written)-(느)ㄴ다	닫는다	[단는다]	danneunda
formal question-(스)ㅂ니까?	닫습니까?	[닫씀니까]	datseumnikka?
is …ing (polite)-고 있어요	닫고 있어요	[닫꼬 이써요]	datgo isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	닫았어요	[다다써요]	dadasseoyo
formal-았/었습니다	닫았습니다	[다닫씀니다]	dadatseumnida
casual-았/었어	닫았어	[다다써]	dadasseo
plain (written)-았/었다	닫았다	[다닫따]	dadatda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	닫을 거예요	[다들 꺼예요]	dadeul geoyeyo
formal-(으)ㄹ 겁니다	닫을 겁니다	[다들 껌니다]	dadeul geomnida
casual-(으)ㄹ 거야	닫을 거야	[다들 꺼야]	dadeul geoya
formal — I will (intention)-겠습니다	닫겠습니다	[닫껟씀니다]	datgetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 닫아요	[안 다다요]	an dadayo
did not안 …았/었어요	안 닫았어요	[안 다다써요]	an dadasseoyo
not (long)-지 않아요	닫지 않아요	[닫찌 아나요]	datji anayo
cannot못 …	못 닫아요	[몯 따다요]	mot dadayo

Honorific
Add -(으)시- when the subject is someone you respect (a teacher, a customer, an older person) — not yourself.
Form	Korean	Sounds like	Romanized
honorific — present-(으)세요	닫으세요	[다드세요]	dadeuseyo
honorific — past-(으)셨어요	닫으셨어요	[다드셔써요]	dadeusyeosseoyo
honorific — formal-(으)십니다	닫으십니다	[다드심니다]	dadeusimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	닫으세요	[다드세요]	dadeuseyo
please … (for me)-아/어 주세요	닫아 주세요	[다다 주세요]	dada juseyo
please don’t …-지 마세요	닫지 마세요	[닫찌 마세요]	datji maseyo
let’s … (formal)-(으)ㅂ시다	닫읍시다	[다듭씨다]	dadeupsida
let’s … (casual)-자	닫자	[닫짜]	datja
do … ! (casual command)-아/어라	닫아라	[다다라]	dadara

Connecting
Form	Korean	Sounds like	Romanized
… and-고	닫고	[닫꼬]	datgo
… so / and then-아/어서	닫아서	[다다서]	dadaseo
if …-(으)면	닫으면	[다드면]	dadeumyeon
… but-지만	닫지만	[닫찌만]	datjiman
because …-(으)니까	닫으니까	[다드니까]	dadeunikka
… and / but (background)-는데	닫는데	[단는데]	danneunde
even if …-아/어도	닫아도	[다다도]	dadado
while …-(으)면서	닫으면서	[다드면서]	dadeumyeonseo
in order to …-(으)려고	닫으려고	[다드려고]	dadeuryeogo
(go) to …-(으)러	닫으러	[다드러]	dadeureo
before …-기 전에	닫기 전에	[닫끼 저네]	datgi jeone
after …-(으)ㄴ 후에	닫은 후에	[다든 후에]	dadeun hue

Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
Form	Korean	Sounds like	Romanized
(that) … now-는	닫는	[단는]	danneun
(that) …ed-(으)ㄴ	닫은	[다든]	dadeun
(that) will …-(으)ㄹ	닫을	[다들]	dadeul

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	닫고 싶어요	[닫꼬 시퍼요]	datgo sipeoyo
can …-(으)ㄹ 수 있어요	닫을 수 있어요	[다들 쑤 이써요]	dadeul su isseoyo
cannot …-(으)ㄹ 수 없어요	닫을 수 없어요	[다들 쑤 업써요]	dadeul su eopseoyo
have to …-아/어야 해요	닫아야 해요	[다다야 해요]	dadaya haeyo
may … / it’s OK to …-아/어도 돼요	닫아도 돼요	[다다도 돼요]	dadado dwaeyo
must not …-(으)면 안 돼요	닫으면 안 돼요	[다드면 안 돼요]	dadeumyeon an dwaeyo
…ing (noun)-기	닫기	[닫끼]	datgi

How 닫다 changes

닫 ends in a consonant, so 아/어 endings are added as they are → 닫아요, and endings written -(으) add 으 → 닫으면, 닫을. 닫다 is regular.

How every verb type works → · Why it sounds like that →

Questions

How do you say “close” in Korean?

“To close” is 닫다 (datda), pronounced [닫따]. In a sentence: 문을 닫아 주세요. — Please close the door.

What is the past tense of 닫다?

닫았어요 (dadasseoyo) is the polite past tense of 닫다 (“to close”). Formal: 닫았습니다; casual: 닫았어.

How do you say 닫다 politely?

Everyday polite: 닫아요 (dadayo). Formal: 닫습니다. Casual, with close friends: 닫아.

How do you say “I want to close” in Korean?

닫고 싶어요 (datgo sipeoyo), pronounced [닫꼬 시퍼요].

Is 닫다 irregular?

No. 닫 ends in a consonant, so 아/어 endings are added as they are → 닫아요, and endings written -(으) add 으 → 닫으면, 닫을. 닫다 is regular.

More regular words like 닫다

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Forms follow 한글 맞춤법 (Korean spelling rules); pronunciation follows 표준 발음법 and romanization follows 국어의 로마자 표기법 (Revised Romanization). Last updated October 16, 2026. How we check