Korean Dictionary
How to say "KTX (High-Speed Train)" in Korean
“KTX (High-Speed Train)” in Korean is KTX (pronounced "keiteieksseu").
KTX
keiteieksseu
Usage & Context
KTX is Korea's high-speed rail system that connects major cities across the country at speeds up to 305 km/h. The KTX reduced travel time between Seoul and Busan from 4.5 hours to just 2 hours and 15 minutes. It is widely used by Korean business travelers and tourists and is considered one of the most reliable rail systems in Asia.
Example Sentence
KTX를 타면 서울에서 부산까지 두 시간이면 돼요.
If you take the KTX it only takes two hours from Seoul to Busan.
How to use KTX naturally
Quick answer
The Korean word for “KTX (High-Speed Train)” is KTX, romanized as keiteieksseu.
Usage tip
Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.
Common mistake
Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around KTX.
Pronunciation Guide
Pronounced letter by letter as 'kei-ti-eks' or colloquially 'ke-te-ek-sseu' — most Koreans just say the English letters 'K-T-X' quickly.
Formal & Casual Forms
Formal (존댓말)
고속철도
gosok cheoldo
formal/official name 'high-speed rail' — used in news and government documents
More Example Sentences
holiday travel rush
KTX 예약이 꽉 찼어요.
KTX reservations are fully booked.
comparing ticket classes
KTX 특실은 좌석이 넓어요.
KTX first-class seats are spacious.
travel recommendation
KTX 타면 부산까지 금방이에요.
Taking the KTX it's quick to Busan.
Cultural Context
KTX revolutionized Korean travel when it launched in 2004, shrinking the Seoul-Busan journey. Koreans typically book via the 코레일 (KORAIL) app or at stations. During major holidays like 설날 and 추석, KTX tickets sell out within minutes of opening — it's a frenzied annual ritual. Premium seats '특실' are often booked out fastest.
Editorial note
We review entries like KTX for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.
Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.
Common Phrases
KTX 탈 거예요.
I'll take the KTX.
KTX 표 예매했어요?
Did you book the KTX ticket?
KTX가 제일 빨라요.
The KTX is the fastest.
Related Expressions
코레일
koreil
KORAIL (national rail operator)
SRT
eseuaretie
SRT (competing high-speed rail)
기차
gicha
train
특실
teuksil
first class (train)
More Transportation Words
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