Korean Dictionary
How to say "Dehydration" in Korean
“Dehydration” in Korean is 탈수 (pronounced "talsu").
탈수
talsu
Usage & Context
Loss of body fluids due to heat or illness. Dehydration is a concern during hot Korean summers. People are advised to drink plenty of water.
Example Sentence
탈수를 피하기 위해 물을 많이 마셔야 해요.
You need to drink a lot of water to avoid dehydration.
How to use 탈수 naturally
Quick answer
The Korean word for “Dehydration” is 탈수, romanized as talsu.
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 탈수.
Pronunciation Guide
탈 (tal) sounds like 'tal' in 'talent'. 수 (su) sounds like 'soo' in 'soon'. The two syllables flow smoothly together.
More Example Sentences
Health advice for physical activity.
운동 후에는 탈수를 막기 위해 물을 충분히 마셔야 해요.
After exercising, you should drink enough water to prevent dehydration.
Parental concern about a child's health.
아이가 설사해서 탈수가 걱정돼요.
My child has diarrhea, so I'm worried about dehydration.
Medical recommendation for severe symptoms.
탈수 증상이 나타나면 병원에 가보세요.
If you show symptoms of dehydration, go to the hospital.
Cultural Context
'탈수' is a common concern during Korea's hot and humid summers, especially for vulnerable groups. Many Koreans carry water bottles (물통, multong) or frequently purchase drinks from convenience stores (편의점, pyeonuijeom). Sports drinks (이온 음료, ion eumnyo) like Pocari Sweat are particularly popular for rehydration, often advertised with a focus on replenishing electrolytes lost through sweat.
Editorial note
We review entries like 탈수 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
탈수 증상
Symptoms of dehydration
탈수 예방
Dehydration prevention
탈수가 심하다
To be severely dehydrated
Related Expressions
수분 부족
subun bujok
Lack of moisture/hydration
갈증
galjeung
Thirst
물 마시다
mul masida
To drink water
이온 음료
ion eumnyo
Sports drink (literally 'ion beverage')
More Weather Words
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