Verbs · 르 irregular

서두르다 conjugation

to hurry · seodureuda · sounds like [서두르다]

Short answer: “To hurry” in Korean is 서두르다 (seodureuda). Polite present: 서둘러요 (seodulleoyo); past: 서둘렀어요 (seodulleosseoyo); future: 서두를 거예요. It is a 르 irregular verb.

Present서둘러요[서둘러요] · seodulleoyo
Past서둘렀어요[서둘러써요] · seodulleosseoyo
Future서두를 거예요[서두를 꺼예요] · seodureul geoyeyo
Negative안 서둘러요[안 서둘러요] · an seodulleoyo

서두르다 in sentences

서두르세요!Hurry up!
늦어서 서둘렀어요.I was late, so I hurried.

All forms of 서두르다

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	서둘러요	[서둘러요]	seodulleoyo
formal-(스)ㅂ니다	서두릅니다	[서두름니다]	seodureumnida
casual-아/어	서둘러	[서둘러]	seodulleo
plain (written)-(느)ㄴ다	서두른다	[서두른다]	seodureunda
formal question-(스)ㅂ니까?	서두릅니까?	[서두름니까]	seodureumnikka?
is …ing (polite)-고 있어요	서두르고 있어요	[서두르고 이써요]	seodureugo isseoyo

Past
Form	Korean	Sounds like	Romanized
polite-았/었어요	서둘렀어요	[서둘러써요]	seodulleosseoyo
formal-았/었습니다	서둘렀습니다	[서둘럳씀니다]	seodulleotseumnida
casual-았/었어	서둘렀어	[서둘러써]	seodulleosseo
plain (written)-았/었다	서둘렀다	[서둘럳따]	seodulleotda

Future
Form	Korean	Sounds like	Romanized
polite — will-(으)ㄹ 거예요	서두를 거예요	[서두를 꺼예요]	seodureul geoyeyo
formal-(으)ㄹ 겁니다	서두를 겁니다	[서두를 껌니다]	seodureul geomnida
casual-(으)ㄹ 거야	서두를 거야	[서두를 꺼야]	seodureul geoya
formal — I will (intention)-겠습니다	서두르겠습니다	[서두르겓씀니다]	seodureugetseumnida

Negative
Form	Korean	Sounds like	Romanized
not (short)안 …	안 서둘러요	[안 서둘러요]	an seodulleoyo
did not안 …았/었어요	안 서둘렀어요	[안 서둘러써요]	an seodulleosseoyo
not (long)-지 않아요	서두르지 않아요	[서두르지 아나요]	seodureuji anayo
cannot못 …	못 서둘러요	[몯 써둘러요]	mot seodulleoyo

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	서두르세요	[서두르세요]	seodureuseyo
honorific — past-(으)셨어요	서두르셨어요	[서두르셔써요]	seodureusyeosseoyo
honorific — formal-(으)십니다	서두르십니다	[서두르심니다]	seodureusimnida

Requests
Form	Korean	Sounds like	Romanized
please …-(으)세요	서두르세요	[서두르세요]	seodureuseyo
please … (for me)-아/어 주세요	서둘러 주세요	[서둘러 주세요]	seodulleo juseyo
please don’t …-지 마세요	서두르지 마세요	[서두르지 마세요]	seodureuji maseyo
let’s … (formal)-(으)ㅂ시다	서두릅시다	[서두릅씨다]	seodureupsida
let’s … (casual)-자	서두르자	[서두르자]	seodureuja
do … ! (casual command)-아/어라	서둘러라	[서둘러라]	seodulleora

Connecting
Form	Korean	Sounds like	Romanized
… and-고	서두르고	[서두르고]	seodureugo
… so / and then-아/어서	서둘러서	[서둘러서]	seodulleoseo
if …-(으)면	서두르면	[서두르면]	seodureumyeon
… but-지만	서두르지만	[서두르지만]	seodureujiman
because …-(으)니까	서두르니까	[서두르니까]	seodureunikka
… and / but (background)-는데	서두르는데	[서두르는데]	seodureuneunde
even if …-아/어도	서둘러도	[서둘러도]	seodulleodo
while …-(으)면서	서두르면서	[서두르면서]	seodureumyeonseo
in order to …-(으)려고	서두르려고	[서두르려고]	seodureuryeogo
(go) to …-(으)러	서두르러	[서두르러]	seodureureo
before …-기 전에	서두르기 전에	[서두르기 저네]	seodureugi jeone
after …-(으)ㄴ 후에	서두른 후에	[서두른 후에]	seodureun 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	서두르는	[서두르는]	seodureuneun
(that) …ed-(으)ㄴ	서두른	[서두른]	seodureun
(that) will …-(으)ㄹ	서두를	[서두를]	seodureul

Useful patterns
Form	Korean	Sounds like	Romanized
I want to …-고 싶어요	서두르고 싶어요	[서두르고 시퍼요]	seodureugo sipeoyo
can …-(으)ㄹ 수 있어요	서두를 수 있어요	[서두를 쑤 이써요]	seodureul su isseoyo
cannot …-(으)ㄹ 수 없어요	서두를 수 없어요	[서두를 쑤 업써요]	seodureul su eopseoyo
have to …-아/어야 해요	서둘러야 해요	[서둘러야 해요]	seodulleoya haeyo
may … / it’s OK to …-아/어도 돼요	서둘러도 돼요	[서둘러도 돼요]	seodulleodo dwaeyo
must not …-(으)면 안 돼요	서두르면 안 돼요	[서두르면 안 돼요]	seodureumyeon an dwaeyo
…ing (noun)-기	서두르기	[서두르기]	seodureugi

How 서두르다 changes

르 irregular: before 아/어, 르 loses its vowel and an extra ㄹ appears → 서둘러요, 서둘렀어요. Other endings are regular: 서두르면, 서두릅니다.

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

Questions

How do you say “hurry” in Korean?

“To hurry” is 서두르다 (seodureuda), pronounced [서두르다]. In a sentence: 서두르세요! — Hurry up!

What is the past tense of 서두르다?

서둘렀어요 (seodulleosseoyo) is the polite past tense of 서두르다 (“to hurry”). Formal: 서둘렀습니다; casual: 서둘렀어.

How do you say 서두르다 politely?

Everyday polite: 서둘러요 (seodulleoyo). Formal: 서두릅니다. Casual, with close friends: 서둘러.

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

서두르고 싶어요 (seodureugo sipeoyo), pronounced [서두르고 시퍼요].

Is 서두르다 irregular?

Yes — 르 irregular: before 아/어, 르 loses its vowel and an extra ㄹ appears → 서둘러요, 서둘렀어요. Other endings are regular: 서두르면, 서두릅니다.

More 르 irregular words like 서두르다

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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