A1 determiner #600 most common 1 min read

스물

스물 is the native Korean word for the number twenty.

seumul

Explanation at your level:

You use 스물 to count things. If you have 20 apples, you say 스무 개. It is very basic and you will use it every day.

In Korean, we have two number systems. 스물 belongs to the native system. Use it for age, counting people, or small items.

Understanding the transition from 스물 to 스무 is key to sounding natural. Native speakers always make this change before counters.

While 이십 is used for money or dates, 스물 is reserved for more personal, human-centric counting. It carries a more 'native' feel in conversation.

The nuance between 스물 and 이십 reflects the linguistic duality of Korean. Using 스물 correctly demonstrates a mastery of the native counting system.

Historically, 스물 represents the indigenous mathematical heritage of the Korean peninsula. Its usage is strictly bound to the native counting paradigm, excluding abstract or large-scale financial contexts.

Word in 30 Seconds

  • Native Korean number 20
  • Changes to '스무' before counters
  • Used for age and objects
  • Essential for daily conversation

Hey there! 스물 is a super important word in Korean. It represents the number twenty in the native Korean counting system.

Think of it as the base for counting things like age or small objects. When you want to say someone is 20 years old, you use this word!

The word 스물 has deep roots in the Altaic language family. It has been used for centuries by native Korean speakers to quantify daily life.

Unlike 이십, which comes from Chinese characters, 스물 is purely native. It shows how Koreans kept their own counting system alive alongside the imported Chinese one.

You use 스물 when counting native Korean items. For example, 스물 살 means twenty years old.

Remember that when it comes before a counter, it changes to 스무. This is a very common grammar rule you'll see everywhere!

While not an idiom itself, it appears in phrases like 스무 고개, which is the Korean version of the 'Twenty Questions' game.

Another common expression is 스무 살의 열정, meaning the passion of a twenty-year-old.

The most important rule is the morphological change. Before a counter, 스물 becomes 스무.

Pronunciation is straightforward: seu-mul. Make sure to keep the 'u' sounds clear and crisp!

Fun Fact

It is one of the few numbers that changes form before a noun.

Pronunciation Guide

UK /sɯmul/

seu-mul

US /sɯmul/

seu-mul

Common Errors

  • forgetting to change to 스무
  • mispronouncing the 'eu' sound

Rhymes With

그물

Difficulty Rating

Reading 1/5

easy

Writing 1/5

easy

Speaking 1/5

easy

Listening 1/5

easy

What to Learn Next

Prerequisites

하나

Learn Next

서른 마흔

Advanced

Grammar to Know

Native Korean Numbers

하나, 둘, 셋

Examples by Level

1

스무 살입니다.

Twenty years old (I am).

스물 becomes 스무 before 살.

1

스무 개 주세요.

2

스무 명의 학생.

3

스무 권의 책.

4

스무 번의 기회.

5

스무 시간 동안.

6

스무 마리의 고양이.

7

스무 송이의 꽃.

8

스무 개의 사과.

1

스무 살이 되면 성인이 됩니다.

2

스무 명 정도 모였습니다.

3

스무 권을 읽었습니다.

4

스무 번 넘게 말했어요.

5

스무 시간 비행은 힘들어요.

6

스무 마리의 새가 날아갑니다.

7

스무 송이 장미 꽃다발.

8

스무 개를 골라보세요.

1

스무 살의 추억은 소중합니다.

2

스무 명의 지원자 중 한 명.

3

스무 권의 책을 출판했습니다.

4

스무 번의 실패 끝에 성공했습니다.

5

스무 시간의 대장정.

6

스무 마리의 강아지들.

7

스무 송이의 꽃을 선물했어요.

8

스무 개의 질문을 준비하세요.

1

스무 살의 치기는 젊음의 특권입니다.

2

스무 명의 전문가가 모였습니다.

3

스무 권의 전집을 완성했습니다.

4

스무 번의 고비를 넘겼습니다.

5

스무 시간의 마라톤 회의.

6

스무 마리의 가축을 돌봅니다.

7

스무 송이의 국화를 바칩니다.

8

스무 개의 핵심 안건.

1

스무 살이라는 나이는 인생의 전환점입니다.

2

스무 명의 위원들이 투표했습니다.

3

스무 권의 비망록을 남겼습니다.

4

스무 번의 계절이 바뀌었습니다.

5

스무 시간의 사투 끝에.

6

스무 마리의 철새가 이동합니다.

7

스무 송이의 백합이 피었습니다.

8

스무 개의 항목을 검토했습니다.

Common Collocations

스무 살

Idioms & Expressions

"스무 고개"

Twenty Questions game

스무 고개 할래?

casual

Easily Confused

스물 vs 이십

Both mean 20

Native vs Sino

스무 살 vs 이십 원

Sentence Patterns

A1

저는 [스무] + [counter]입니다.

저는 스무 살입니다.

Word Family

Nouns

스무살 age of 20

Related

이십 Sino-Korean equivalent

How to Use It

frequency

10

Formality Scale

neutral casual

Common Mistakes

스물 살 스무 살
Must use the shortened form before counters.

Tips

💡

The Rule of 20

Always drop the 'ㄹ' before counters.

💡

Say it clearly

Focus on the 'eu' vowel.

💡

Use flashcards

Pair it with counters.

🌍

Age importance

20 is a big milestone in Korea.

💡

Don't say 스물 개

Always say 스무 개.

💡

Rhyme it

Find words that rhyme.

💡

Context matters

Native vs Sino.

💡

20 questions

It's a global game.

💡

Practice daily

Count objects.

🌍

Adult life

20 means adulthood.

Memorize It

Mnemonic

Think of 'Seu-mul' sounding like 'some wool' - maybe you have 20 balls of wool!

Visual Association

A cake with 20 candles.

Word Web

number counting native Korean

Challenge

Count 20 items in your room.

Word Origin

Native Korean

Original meaning: Twenty

Cultural Context

None

Used similarly to 'twenty' when counting people or things.

Various Korean songs about being 20

Practice in Real Life

Real-World Contexts

Age

  • 스무 살이에요

Counting objects

  • 스무 개 주세요

Conversation Starters

"몇 살이세요?"

"스무 살 때 뭐 했어요?"

"스무 개가 충분해요?"

"스무 명 올 거예요?"

"스무 살의 꿈은 무엇인가요?"

Journal Prompts

Describe your 20th birthday.

What would you do with 20 wishes?

Write about being 20.

List 20 things you love.

Frequently Asked Questions

8 questions

It is a rule for native Korean numbers 1-4 and 20.

Only for Sino-Korean contexts.

It is neutral.

스물하나.

No, use 이십.

No, just remember the rule.

No.

Yes.

Test Yourself

fill blank A1

저는 ___ 살입니다.

Correct! Not quite. Correct answer: 스무

Before counters, use the short form.

multiple choice A2

Which is the correct native number for 20?

Correct! Not quite. Correct answer: 스물

스물 is the native Korean word.

true false B1

Does '스물' become '스무' before a counter?

Correct! Not quite. Correct answer: True

Yes, this is a standard rule.

match pairs B1

Word

Meaning

All matched!

Form changes based on context.

sentence order B2

Tap words below to build the sentence
Correct! Not quite. Correct answer:

Subject-Object-Verb order.

Score: /5

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