Adjectives · 하다 word

충분하다 conjugation

to be enough · chungbunhada · sounds like [충분하다]

Short answer: “Enough” in Korean is 충분하다 (chungbunhada). Polite present: 충분해요 (chungbunhaeyo); past: 충분했어요 (chungbunhaesseoyo); future: 충분할 거예요. It is a 하다 adjective: 하 + 아/어 always becomes 해.

Present충분해요[충분해요] · chungbunhaeyo
Past충분했어요[충분해써요] · chungbunhaesseoyo
Future충분할 거예요[충분할 꺼예요] · chungbunhal geoyeyo
Negative안 충분해요[안 충분해요] · an chungbunhaeyo

충분하다 in sentences

시간이 충분해요.There’s enough time.
충분한 잠이 필요해요.You need enough sleep.

All forms of 충분하다

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	충분해요	[충분해요]	chungbunhaeyo
formal-(스)ㅂ니다	충분합니다	[충분함니다]	chungbunhamnida
casual-아/어	충분해	[충분해]	chungbunhae
plain (written)-다	충분하다	[충분하다]	chungbunhada
formal question-(스)ㅂ니까?	충분합니까?	[충분함니까]	chungbunhamnikka?

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	충분했어요	[충분해써요]	chungbunhaesseoyo
formal-았/었습니다	충분했습니다	[충분핻씀니다]	chungbunhaetseumnida
casual-았/었어	충분했어	[충분해써]	chungbunhaesseo
plain (written)-았/었다	충분했다	[충분핻따]	chungbunhaetda

Future
Form	Korean	Sounds like	Romanized
polite — will probably be-(으)ㄹ 거예요	충분할 거예요	[충분할 꺼예요]	chungbunhal geoyeyo
formal-(으)ㄹ 겁니다	충분할 겁니다	[충분할 껌니다]	chungbunhal geomnida
casual-(으)ㄹ 거야	충분할 거야	[충분할 꺼야]	chungbunhal geoya

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 충분해요	[안 충분해요]	an chungbunhaeyo
did not안 …았/었어요	안 충분했어요	[안 충분해써요]	an chungbunhaesseoyo
not (long)-지 않아요	충분하지 않아요	[충분하지 아나요]	chungbunhaji anayo

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	충분하세요	[충분하세요]	chungbunhaseyo
honorific — past-(으)셨어요	충분하셨어요	[충분하셔써요]	chungbunhasyeosseoyo
honorific — formal-(으)십니다	충분하십니다	[충분하심니다]	chungbunhasimnida

Connecting
Form	Korean	Sounds like	Romanized
… and-고	충분하고	[충분하고]	chungbunhago
… so / and then-아/어서	충분해서	[충분해서]	chungbunhaeseo
if …-(으)면	충분하면	[충분하면]	chungbunhamyeon
… but-지만	충분하지만	[충분하지만]	chungbunhajiman
because …-(으)니까	충분하니까	[충분하니까]	chungbunhanikka
… and / but (background)-(으)ㄴ데	충분한데	[충분한데]	chungbunhande
even if …-아/어도	충분해도	[충분해도]	chungbunhaedo
while …-(으)면서	충분하면서	[충분하면서]	chungbunhamyeonseo

Describing a noun
These go before a noun: “the food (that) I ate”, “a cold day”.
Form	Korean	Sounds like	Romanized
(that is) …-(으)ㄴ	충분한	[충분한]	chungbunhan
(that) will …-(으)ㄹ	충분할	[충분할]	chungbunhal

Useful patterns
Form	Korean	Sounds like	Romanized
can be …-(으)ㄹ 수 있어요	충분할 수 있어요	[충분할 쑤 이써요]	chungbunhal su isseoyo
cannot be …-(으)ㄹ 수 없어요	충분할 수 없어요	[충분할 쑤 업써요]	chungbunhal su eopseoyo
have to be …-아/어야 해요	충분해야 해요	[충분해야 해요]	chungbunhaeya haeyo
it’s OK if it’s …-아/어도 돼요	충분해도 돼요	[충분해도 돼요]	chungbunhaedo dwaeyo
…ly (adverb)-게	충분하게	[충분하게]	chungbunhage
becomes …-아/어지다	충분해져요	[충분해저요]	chungbunhaejeoyo
…ing (noun)-기	충분하기	[충분하기]	chungbunhagi

How 충분하다 changes

Every 하다 word works the same way: 하 + 여 becomes 해 → 충분해요, 충분했어요. With other endings 하 stays as it is: 충분합니다, 충분하면.

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

Questions

How do you say “enough” in Korean?

“Enough” is 충분하다 (chungbunhada), pronounced [충분하다]. In a sentence: 시간이 충분해요. — There’s enough time.

What is the past tense of 충분하다?

충분했어요 (chungbunhaesseoyo) is the polite past tense of 충분하다 (“to be enough”). Formal: 충분했습니다; casual: 충분했어.

How do you say 충분하다 politely?

Everyday polite: 충분해요 (chungbunhaeyo). Formal: 충분합니다. Casual, with close friends: 충분해.

How do you say “not enough” in Korean?

안 충분해요 or 충분하지 않아요. Both mean the same; the first is more common in speech.

Is 충분하다 irregular?

No. Every 하다 word works the same way: 하 + 여 becomes 해 → 충분해요, 충분했어요. With other endings 하 stays as it is: 충분합니다, 충분하면.

More 하다 words like 충분하다

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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