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둔하다

A2 adjective #4,000 most common 9 min read

둔하다

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Practice it Examples Notes & Tips 둔하다 in 30 Seconds

Explanation 둔하다 in your Level:

At the A1 level, you can think of '둔하다' as a word describing someone who is 'slow' or 'not quick.' While you might first learn '느리다' for speed, '둔하다' is used when someone doesn't react quickly or when their body feels heavy. For example, if you wear a very big jacket and find it hard to move, you can say '몸이 둔해요' (My body is slow/heavy). It's a useful word to describe basic physical feelings. You might also hear it in simple stories to describe animals like bears that are often seen as slow or clumsy. Just remember it's usually used for people or things that should be faster or more sensitive but aren't.

At the A2 level, you should start using '둔하다' to describe physical sensations and social situations. A common use is '눈치가 둔하다,' which means someone is slow to understand what is happening around them or doesn't catch hints. This is a very important part of Korean culture (Nunchi). You can also use it to describe physical numbness, like when your feet 'fall asleep' or are cold. Instead of just saying 'I can't feel my feet,' you can say '발의 감각이 둔해요.' This level involves moving from simple physical descriptions to describing how you perceive the world around you.

At the B1 level, '둔하다' becomes a tool for more nuanced descriptions. You can use it to describe the quality of sounds (둔한 소리 - a muffled, heavy sound) or the sharpness of tools (둔한 칼 - a dull knife). You will also encounter it in more complex social descriptions. For instance, you can describe someone's '감각' (sense/intuition) as being dull in specific areas, like '미각이 둔하다' (having a dull sense of taste) or '경제 관념이 둔하다' (having a poor/slow understanding of money). It allows you to express that someone isn't necessarily 'bad' at something, but rather 'not sharp' or 'unresponsive' to it.

At the B2 level, you will see '둔하다' used in more formal and abstract contexts. This includes economic reports where growth is described as '둔화되다' (to slow down/decelerate). You should be able to distinguish '둔하다' from synonyms like '무디다' (blunt) or '미련하다' (foolish). In literature or news, it might describe a '둔한 움직임' of a large organization or government, suggesting it is slow to respond to changes. You can also use it to describe a 'dull pain' (둔한 통증) in medical contexts, which is a key distinction from 'sharp pain' (날카로운 통증) when explaining symptoms to a doctor.

At the C1 level, you should master the metaphorical and psychological depths of '둔하다.' It can describe a state of mind where one is emotionally numb or intellectually stagnant. In literary analysis, you might discuss a character's '둔한 감성' (dull sensitivity) as a reason for their lack of empathy. You will recognize the word in sophisticated idioms and academic texts where it describes the 'diminishing returns' or 'slowed reactions' of complex systems. The nuance here is often about the lack of 'refined' or 'acute' perception that is expected in a high-level environment.

At the C2 level, '둔하다' is used with precision in philosophical or highly technical discussions. You might use it to describe the 'dulling' of human instincts in a modern technological society or the 'sluggish' nature of historical change. It appears in classical literature or high-level essays to describe a '둔필' (a slow or unrefined pen/writing style), often used by authors as a form of humble self-deprecation. At this level, you understand not just the meaning, but the 'weight' the word carries in different registers—from the visceral physical sensation to the most abstract intellectual concepts of stagnation and lack of acuity.

Practice it Examples Notes & Tips

둔하다 in 30 Seconds

둔하다 describes being slow, heavy, or dull in movement, feeling, or social perception.
It is commonly used in '눈치가 둔하다' to describe someone socially oblivious.
Physically, it can mean feeling sluggish due to cold, weight, or thick clothing.
It is the opposite of '날카롭다' (sharp) and '민첩하다' (agile).

The Korean adjective 둔하다 (dun-ha-da) is a versatile term primarily used to describe a lack of sharpness, whether in physical sensation, movement, or mental perception. At its core, it conveys a sense of being 'dull,' 'slow,' or 'unresponsive.' Understanding this word is essential because it bridges the gap between physical descriptions and personality traits. For instance, you might use it to describe a blunt knife, a person who is slow to react in sports, or someone who is socially oblivious. It often carries a slightly negative or critical nuance, suggesting that something is not as keen or quick as it should be.

Physical Sensation: When your fingers are numb from the cold, or when a part of your body feels 'heavy' and unresponsive after an injury, you describe that sensation as 둔하다. It refers to a reduced ability to feel or react to stimuli.

추위 때문에 손가락 감각이 둔하다. (My fingers feel dull/numb because of the cold.)

In a broader physical sense, it describes movement. If you are wearing a very thick, heavy winter coat, your movements become restricted and clumsy. In this context, '몸이 둔하다' means your body feels heavy and slow. This is common in sports commentary when an athlete isn't moving with their usual agility. Unlike '느리다' (slow), which focuses purely on speed, 둔하다 implies a lack of grace or a certain 'clunkiness' in the way one moves.

Mental and Social Perception: This is perhaps the most frequent usage in daily conversation. It describes someone who is slow-witted or, more specifically, someone who lacks 'nunchi' (social intuition). If you fail to notice that a friend is upset or miss an obvious hint, Koreans might say you are 둔하다.

그는 눈치가 정말 둔하다. (He is really slow at picking up social cues.)

Finally, the word applies to inanimate objects. A knife that no longer cuts well is 둔하다 (though '무디다' is also common here). A sound that is muffled or low-pitched can be described as a '둔한 소리'. Even in economics, if a growth rate slows down or a market becomes stagnant, experts might describe the trend as 둔하다. This wide range of application makes it a powerful word for expressing any form of diminished sharpness or vitality.

칼날이 둔해서 고기가 잘 안 썰려요. (The blade is dull, so the meat isn't cutting well.)

Aesthetic and Shape: In design or art, 둔하다 can describe shapes that are thick, blocky, or lack refined detail. If a building looks heavy and ungraceful, or a piece of furniture looks overly bulky, this word fits perfectly.

Using 둔하다 correctly requires understanding its conjugation and the specific nouns it frequently pairs with. As an adjective (descriptive verb), it follows standard Korean conjugation rules. In the polite present tense, it becomes 둔해요. In the formal polite, it is 둔합니다. When modifying a noun, it becomes 둔한 (e.g., 둔한 사람 - a slow/dull person).

Describing Lack of Agility: When you want to say someone is physically clumsy or slow due to weight or clothing, use '몸이 둔하다'. This is very common when talking about winter fashion or weight gain.

옷을 너무 많이 껴입어서 몸이 둔해졌어요. (I put on too many layers of clothes, so my body has become sluggish.)

The word is often used with '감각' (senses) to describe a lack of sensitivity. This can be literal (numbness) or metaphorical (lack of artistic sense). For example, someone might have a '둔한 미각' (a dull sense of taste), meaning they can't distinguish subtle flavors well.

나이가 들면서 청각이 둔해지는 것 같아요. (I feel like my sense of hearing is becoming duller as I get older.)

Social Contexts (Nunchi): In social settings, the most common pairing is with '눈치' (social wit). A person who is '눈치가 둔하다' is someone who misses the atmosphere of the room. They might tell a joke when everyone is sad, or fail to realize someone wants them to leave.

그는 눈치가 둔해서 분위기를 잘 파악하지 못해요. (Because he is socially oblivious, he can't grasp the atmosphere well.)

You can also use it to describe reactions. '반응이 둔하다' means a slow reaction time. This could refer to a computer being slow to respond to clicks, or a person being slow to answer a question. It implies a delay in processing information or physical stimuli.

약 기운 때문에 머리가 둔해진 기분이에요. (I feel like my head has become foggy/dull because of the medicine.)

Describing Objects: When describing the physical shape of an object, '둔한 느낌' refers to a heavy, unrefined look. A car with a bulky, non-aerodynamic design might be called 둔하다.

You will encounter 둔하다 in a variety of real-life scenarios in Korea, ranging from casual gossip to medical diagnoses and sports analysis. Understanding these contexts helps you grasp the subtle 'feeling' of the word beyond its dictionary definition.

In Relationships and Social Life: This is the most common place to hear the word. Friends might tease each other about being '둔하다' when one person fails to realize someone else has a crush on them. In K-Dramas, the 'clueless' lead who doesn't notice the second lead's feelings is often described as 둔하다.

너는 정말 사랑에 둔하구나! (You are really clueless when it comes to love!)

In the workplace, a boss might use it (perhaps harshly) to describe an employee who is slow to catch on to instructions or who doesn't notice the changing priorities of a project. It implies a lack of mental agility or professional 'sens' (sense).

Health and Medicine: When visiting a doctor (내과 or 정형외과), you might use this word to describe your pain. A '둔한 통증' (dull pain) is different from a '날카로운 통증' (sharp pain). It’s that deep, aching feeling that is hard to pinpoint exactly. Doctors also use it to describe a patient's neurological response.

왼쪽 다리 감각이 조금 둔해요. (The sensation in my left leg is a bit dull/numb.)

Sports commentators frequently use 둔하다 to describe players who are underperforming physically. If a soccer player hasn't fully recovered from an injury or has gained weight during the off-season, their movements are described as 둔하다. It suggests they are struggling to move their weight effectively.

오늘따라 선수들의 움직임이 둔해 보입니다. (The players' movements look sluggish today of all days.)

News and Economy: In economic news reports, you will hear '성장세가 둔화되다' (growth trend is slowing down). While '둔화' is a noun, it comes from the same root. You might also hear '소비가 둔하다' to mean that consumer spending is sluggish or not active.

Learners often confuse 둔하다 with other words that mean 'slow' or 'stupid,' but there are important nuances to keep in mind to avoid sounding unnatural or accidentally rude.

둔하다 vs. 느리다: This is the most frequent mistake. '느리다' refers to the speed of an action (like a slow car or a slow runner). '둔하다' refers to the *quality* of the movement or perception. A person can be '느리다' because they are careful, but they are '둔하다' because they lack agility or awareness.

Mistake: 인터넷이 둔해요. (Wrong for 'The internet is slow')
Correct: 인터넷이 느려요.

Use '둔하다' for the internet only if you mean the *response* to your input is laggy or heavy, but even then, '느리다' is the standard choice. Use 둔하다 when describing a person's physical state or lack of social awareness.

둔하다 vs. 바보 같다: While 둔하다 can mean someone is slow-witted, it is not the same as 'stupid' (바보). A very smart person can be '둔하다' if they are socially oblivious. Calling someone 둔하다 implies they are 'dim' or 'unobservant' rather than lacking intelligence entirely.

그는 똑똑하지만 눈치는 둔하다. (He is smart but socially oblivious.)

Another mistake is using it for 'quiet' or 'silent'. If a place is quiet, use '조용하다'. If a sound is muffled or low-pitched (not sharp), *then* you can use '둔한 소리'. Don't use it to describe a peaceful environment.

둔하다 vs. 무디다: Both mean 'dull'. However, '무디다' is used more specifically for blades (knives, scissors) or a person's personality being 'blunt' or 'unrefined'. '둔하다' is broader, covering physical sensation, movement, and social wit.

To truly master 둔하다, it's helpful to compare it with its synonyms and related words. Each has a specific shade of meaning that makes it more suitable for certain situations.

무디다 (Mudida) - Dull/Blunt: Very similar to 둔하다 when describing blades or senses. However, 무디다 often implies something that *was* sharp but became dull. It's also used to describe a personality that is not sensitive to others' feelings, but in a more 'thick-skinned' way.

비판에 무디다. (To be thick-skinned/indifferent to criticism.)

미련하다 (Miryeon-hada) - Foolish/Slow-witted: This word specifically targets intelligence and behavior. It describes someone who is slow to understand things or who acts in a foolishly stubborn way. While 둔하다 is about 'perception,' 미련하다 is about 'judgment'.

곰처럼 미련하다. (To be as slow/foolish as a bear - a common Korean idiom.)

답답하다 (Dapdap-hada) - Stuffy/Frustrating: If someone is '둔하다' (slow to catch on), the person watching them might feel '답답하다' (frustrated/suffocated). Use 둔하다 to describe the person, and 답답하다 to describe the feeling they cause in others.

말귀를 못 알아들으니 정말 답답하다. (It's so frustrating because he doesn't understand what I'm saying.)

어눌하다 (Eonul-hada) - Slurred/Inarticulate: If you want to describe someone whose *speech* is slow or clumsy (often used for foreigners or people with speech impediments), use 어눌하다. 둔하다 is too broad for speech and might sound insulting.

How Formal Is It?

Fun Fact

The Hanja 鈍 consists of the radical for 'metal' (金) and a phonetic component (屯). This reflects its original meaning of a dull metallic edge.

Pronunciation Guide

UK dun.ha.da

US dun.ha.da

In Korean, stress is generally even across syllables, but a slight emphasis can be placed on the first syllable '둔'.

Rhymes With

흔하다 (common) 강하다 (strong) 선하다 (kind) 편하다 (comfortable) 단하다 (firm) 찬하다 (praiseworthy) 진하다 (thick/dark) 연하다 (soft/light)

Common Errors

Pronouncing 'u' as 'uh' (like 'done'). It should be a clear 'oo' sound.
Mixing up 'h' with a stronger 'k' sound.
Pronouncing 'da' as 'ta' due to lack of voicing.

Difficulty Rating

Reading 2/5

The word itself is easy to read, but its meaning in economic or medical texts can be more complex.

Writing 3/5

Choosing between 둔하다, 느리다, and 무디다 requires some practice.

Speaking 2/5

Pronunciation is straightforward, and it's a very common word in casual speech.

Listening 2/5

It is easily recognized in conversation, especially in the phrase '눈치가 둔하다'.

What to Learn Next

Prerequisites

느리다 빠르다 몸 눈치 감각

Learn Next

무디다 예민하다 민첩하다 날카롭다 섬세하다

Advanced

둔화 둔탁하다 둔중하다 미련하다 어눌하다

Grammar to Know

Adjective + -아/어지다 (Becoming...)

날씨가 추워서 몸이 둔해졌어요.

Adjective + -ㄴ 편이다 (Tending to be...)

그는 성격이 좀 둔한 편이에요.

Adjective + -아서/어서 (Reasoning)

눈치가 둔해서 큰일이에요.

Adjective + -ㄴ/은 (Noun Modifier)

둔한 소리가 들려요.

Adjective + -게 (Adverbial form)

그는 둔하게 움직였다.

Examples by Level

곰은 몸이 둔해요.

Bears have slow/heavy bodies.

둔해요 is the polite present form of 둔하다.

이 옷은 너무 둔해 보여요.

These clothes look too bulky/clumsy.

보여요 means 'looks like' or 'seems'.

손이 둔해서 상자를 못 열어요.

My hands are clumsy, so I can't open the box.

-어서 indicates a reason (because my hands are clumsy).

그는 달리기가 조금 둔해요.

He is a bit slow/sluggish at running.

조금 means 'a little'.

강아지가 뚱뚱해서 둔해요.

The puppy is fat, so it's slow/clumsy.

뚱뚱해서 means 'because (it) is fat'.

제 동생은 아주 둔해요.

My younger sibling is very slow/clueless.

아주 means 'very'.

추워서 몸이 둔해졌어요.

My body became slow/stiff because it's cold.

-아/어지다 indicates a change in state (became dull).

이 신발은 둔한 느낌이에요.

These shoes have a heavy/clunky feel.

둔한 is the adjective form modifying the noun 느낌 (feeling).

그는 눈치가 정말 둔해요.

He is really slow at picking up social cues.

눈치가 둔하다 is a fixed expression for being socially oblivious.

감기에 걸려서 코가 둔해요.

I have a cold, so my sense of smell is dull.

코가 둔하다 literally means 'nose is dull' (can't smell well).

겨울에는 몸이 둔해지기 쉬워요.

It's easy for the body to become sluggish in winter.

-기 쉽다 means 'it is easy to...'.

그 사람은 반응이 좀 둔한 편이에요.

That person tends to have slow reactions.

-ㄴ 편이다 means 'tends to' or 'is on the... side'.

손가락 감각이 둔해서 단추를 못 채우겠어요.

My fingers are numb, so I can't do up the buttons.

-겠어요 expresses intention or ability.

이 칼은 너무 둔해서 고기가 안 잘려요.

This knife is too dull, so the meat won't cut.

안 잘려요 is the passive negative form of 'to cut'.

그는 유머 감각이 좀 둔해요.

He has a bit of a dull sense of humor.

유머 감각 refers to sense of humor.

너무 많이 먹어서 움직임이 둔해요.

I ate too much, so my movements are sluggish.

움직임 means 'movement'.

밖에서 둔한 폭발음이 들렸어요.

A dull explosion sound was heard from outside.

폭발음 means 'explosion sound'.

나이가 들면 소리에 둔해지기 마련입니다.

As you get older, it's natural to become less sensitive to sound.

-기 마련이다 means 'it is natural/bound to happen'.

그는 자기 감정에 둔한 사람이에요.

He is a person who is oblivious to his own emotions.

자기 감정 means 'one's own emotions'.

이 기계는 센서가 둔해서 작동이 잘 안 돼요.

This machine's sensor is dull/unresponsive, so it doesn't work well.

작동이 되다 means 'to operate/work'.

갑자기 머리가 둔해진 기분이 들었어요.

I suddenly felt like my brain had become foggy/dull.

기분이 들다 means 'to have a feeling'.

그는 패션 감각이 좀 둔한 것 같아요.

I think his fashion sense is a bit dull/unrefined.

-ㄴ 것 같다 means 'it seems like' or 'I think'.

피로가 쌓여서 몸이 둔하고 무겁습니다.

Fatigue has built up, so my body feels sluggish and heavy.

피로가 쌓이다 means 'fatigue accumulates'.

그의 둔한 대처가 문제를 키웠어요.

His slow/dull response made the problem bigger.

대처 means 'response' or 'coping'.

최근 수출 성장세가 둔해지고 있습니다.

Recently, the export growth trend has been slowing down.

성장세 refers to a growth trend; 둔해지다 is used for economic slowing.

그는 비판에 대해 상당히 둔한 편이다.

He is quite indifferent/insensitive to criticism.

상당히 means 'considerably' or 'quite'.

둔한 통증이 계속된다면 병원에 가야 합니다.

If the dull pain continues, you must go to the hospital.

둔한 통증 is the medical term for 'dull pain'.

디자인이 너무 둔해서 세련된 맛이 없어요.

The design is too bulky, so it lacks a sophisticated feel.

세련되다 means 'sophisticated' or 'refined'.

그는 상황 판단이 둔해 실수를 자주 한다.

He often makes mistakes because his judgment of situations is slow.

상황 판단 means 'judging the situation'.

약의 부작용으로 감각이 둔해질 수 있습니다.

Senses may become dull as a side effect of the medicine.

부작용 means 'side effect'.

공기의 흐름이 둔해서 환기가 잘 안 돼요.

The air flow is sluggish, so ventilation isn't working well.

환기 means 'ventilation'.

그의 연기는 너무 둔해서 감동이 없었다.

His acting was too wooden/clumsy, so it wasn't moving.

감동 means 'emotion' or 'being moved'.

현대인들은 자연의 변화에 둔해져 가고 있다.

Modern people are becoming increasingly desensitized to changes in nature.

-어 가다 indicates a process continuing into the future.

그의 문체는 다소 둔하지만 진정성이 느껴진다.

His writing style is somewhat unrefined/slow, but one can feel his sincerity.

문체 means 'writing style'.

조직이 비대해지면 의사결정이 둔해지기 마련이다.

When an organization becomes bloated, decision-making naturally becomes sluggish.

비대해지다 means 'to become bloated/enlarged'.

그는 타인의 고통에 대해 둔한 반응을 보였다.

He showed a dull/insensitive reaction to the suffering of others.

타인 means 'others' or 'other people'.

이 이론은 복잡한 현실을 설명하기에는 너무 둔하다.

This theory is too blunt/unrefined to explain complex reality.

-기에는 means 'for the purpose of...' or 'in order to...'

그는 둔한 머리로 문제를 해결하려고 애썼다.

He struggled to solve the problem with his slow/dull mind.

애쓰다 means 'to make an effort' or 'to struggle'.

장기적인 경기 침체로 인해 소비 심리가 둔하다.

Due to long-term economic recession, consumer sentiment is sluggish.

소비 심리 means 'consumer sentiment'.

그의 감각은 세월의 흐름 속에 둔해져 있었다.

His senses had become dull over the passage of time.

-어 있었다 indicates a completed state.

작가는 둔필을 휘둘러 시대의 아픔을 기록했다.

The author wielded an unrefined pen (style) to record the pain of the era.

둔필 (dull pen) is a humble way to refer to one's own writing.

지나친 물질문명은 인간의 본성을 둔하게 만든다.

Excessive material civilization dulls the true nature of humans.

물질문명 means 'material civilization'.

그의 철학은 날카로움보다는 둔중한 무게감을 지닌다.

His philosophy possesses a heavy, dull weight rather than sharpness.

둔중하다 (heavy and dull) is a related higher-level adjective.

권력에 취하면 정의에 대한 감각이 둔해지기 쉽다.

When intoxicated by power, one's sense of justice is liable to become dull.

권력에 취하다 means 'to be drunk on power'.

이 작품은 둔탁한 질감을 통해 원초적인 생명력을 표현한다.

This work expresses primitive vitality through a dull, rough texture.

둔탁하다 means 'dull and thick' (of sound or texture).

관료주의의 폐해로 인해 행정 시스템이 둔하기 짝이 없다.

The administrative system is incredibly sluggish due to the evils of bureaucracy.

-기 짝이 없다 means 'to be beyond comparison' or 'incredibly'.

그의 예지력은 이미 둔해져 미래를 내다보지 못했다.

His foresight had already dulled, so he could not see into the future.

내다보다 means 'to look out' or 'to foresee'.

오랜 침묵 끝에 그는 둔한 어조로 입을 열었다.

After a long silence, he opened his mouth with a dull/heavy tone.

어조 means 'tone of voice'.

Common Collocations

눈치가 둔하다

감각이 둔하다

몸이 둔하다

반응이 둔하다

미각이 둔하다

성장세가 둔하다

머리가 둔하다

통증이 둔하다

움직임이 둔하다

귀가 둔하다

Common Phrases

눈치가 둔하다

— To be slow at catching social cues or hints.

그는 눈치가 둔해서 고백을 해도 모를 거야.

몸이 둔해지다

— To become sluggish or less agile physically.

운동을 안 하니까 몸이 둔해지는 것 같아.

감각이 둔해지다

— For senses or physical feeling to become numb or less keen.

마취 때문에 입술 감각이 둔해졌어요.

머리가 둔하다

— To feel slow-witted or have a foggy brain.

시험 공부를 너무 오래 했더니 머리가 둔해졌어.

반응이 둔하다

— To have a slow reaction time.

이 게임은 반응이 둔하면 이기기 어려워.

소리가 둔하다

— To describe a muffled or low-pitched sound.

벽 너머로 둔한 소리가 들려왔다.

성장이 둔화되다

— For growth (usually economic) to slow down.

물가 상승으로 인해 경제 성장이 둔화되었다.

미각이 둔하다

— To have a poor sense of taste.

나는 미각이 둔해서 요리를 잘 못 해.

동작이 둔하다

— To have slow or clumsy movements.

그 선수는 동작이 둔해서 교체되었다.

판단이 둔하다

— To be slow in making judgments or decisions.

위기 상황에서 판단이 둔하면 위험하다.

Often Confused With

둔하다 vs 느리다

느리다 is about speed (km/h), while 둔하다 is about agility, reaction, or sensitivity.

둔하다 vs 무디다

무디다 is primarily for blades or a person's thick-skinned nature, whereas 둔하다 is broader.

둔하다 vs 멍청하다

멍청하다 is an insult meaning 'stupid,' while 둔하다 refers to being 'slow' or 'oblivious'.

Idioms & Expressions

"곰같이 둔하다"

— To be as slow and clumsy as a bear.

그는 덩치만 크고 곰같이 둔하다.

Informal

"눈치가 젬병이다"

— To be absolutely terrible at picking up social cues (related to 둔하다).

너는 정말 눈치가 젬병이구나!

Slang

"말귀를 못 알아듣다"

— To be slow to understand what someone is saying (often used with 둔하다).

둔해서 그런지 말귀를 못 알아듣네.

Informal

"몸이 천근만근이다"

— To feel extremely heavy and sluggish (physically 둔하다).

오늘은 몸이 천근만근이라 움직이기 싫다.

Idiomatic

"벽창호 같다"

— To be incredibly stubborn and slow-witted like a stone wall.

그 사람은 벽창호 같아서 말이 안 통해.

Idiomatic

"소 귀에 경 읽기"

— Reading scriptures to a cow (talking to someone who is too 'dull' to listen).

그에게 충고하는 건 소 귀에 경 읽기야.

Proverb

"굼벵이도 구르는 재주가 있다"

— Even a slow slug has a talent (even someone '둔한' has a strength).

너무 실망 마, 굼벵이도 구르는 재주는 있으니까.

Proverb

"뒷북을 치다"

— To react too late to a situation (being 둔하다 in timing).

다 끝난 다음에 뒷북을 치면 어떡해?

Idiomatic

"미련 곰탱이"

— A slow, foolish person (nickname for someone 둔하다).

이 미련 곰탱이야, 그걸 이제 알았니?

Slang/Informal

"눈치가 코치다"

— Sarcastic way to say someone is trying to be quick-witted but is actually 둔하다.

눈치가 코치라더니 상황 파악을 전혀 못 하네.

Slang

Easily Confused

둔하다 vs 느리다

Both are translated as 'slow' in English.

느리다 refers to the time taken to complete a task or travel a distance. 둔하다 refers to the quality of a response, movement, or perception.

인터넷이 느리다 (The internet is slow) vs. 몸이 둔하다 (The body is sluggish).

둔하다 vs 무디다

Both can mean 'dull'.

무디다 is the standard word for a blade that isn't sharp. 둔하다 is more often used for human senses and social awareness.

칼이 무디다 (The knife is dull) vs. 눈치가 둔하다 (The social wit is dull).

둔하다 vs 미련하다

Both describe a lack of quickness.

미련하다 implies a lack of intelligence or foolish persistence. 둔하다 is more about the physical or sensory state.

미련한 곰 (Foolish bear) vs. 둔한 움직임 (Sluggish movement).

둔하다 vs 둔탁하다

They share the root '둔'.

둔탁하다 is specifically for sounds that are heavy/muffled or textures that are rough/thick.

둔탁한 타격음 (A dull hitting sound).

둔하다 vs 답답하다

Often used in the same context.

답답하다 is the *feeling* of the observer, while 둔하다 is the *attribute* of the person being observed.

그가 너무 둔해서 내가 답답하다 (I'm frustrated because he's so slow).

Sentence Patterns

[Subject]은/는 둔해요.

곰은 둔해요.

[Body Part] 감각이 둔해요.

손가락 감각이 둔해요.

눈치가 둔해서 [Result].

눈치가 둔해서 몰랐어요.

[Subject]이/가 둔해지기 마련이다.

나이가 들면 몸이 둔해지기 마련이다.

둔한 [Noun]이/가 들리다/느껴지다.

둔한 소리가 들려요.

[Economic Term]이/가 둔화되고 있다.

성장세가 둔화되고 있다.

[Subject]에 대해 둔한 반응을 보이다.

그는 비판에 대해 둔한 반응을 보였다.

둔필을 휘둘러 [Action].

작가는 둔필을 휘둘러 글을 썼다.

Word Family

Nouns

둔화 Slowing down, deceleration (e.g., 경제 둔화).

둔재 A slow-witted person, someone without talent.

둔각 Obtuse angle (in geometry).

Verbs

둔화되다 To be slowed down, to decelerate.

둔화시키다 To slow something down.

Adjectives

둔탁하다 To be thick and dull (of sound or texture).

둔중하다 To be heavy and slow/dull.

무디다

미련하다

느리다

멍청하다

답답하다

How to Use It

frequency

High, especially in social and physical contexts.

Common Mistakes

Using 둔하다 for slow internet. → 인터넷이 느려요.
둔하다 describes quality of sensation or movement, while 느리다 describes speed. Internet is about speed.
Saying 둔하고 있어요. → 둔해지고 있어요.
둔하다 is an adjective, so it cannot take the -고 있다 progressive form directly. You must use -아/어지다 (to become) first.
Using 둔하다 for a boring book. → 책이 지루해요.
둔하다 means 'dull' as in 'not sharp,' not 'dull' as in 'uninteresting'.
Calling an elder 둔하다. → 행동이 조금 천천히 하십니다 (or similar polite phrases).
Calling an elder '둔하다' is quite rude as it implies they are slow-witted or clumsy.
Confusing 둔하다 with 무겁다. → 몸이 둔하다 (sluggish) vs 몸이 무겁다 (heavy).
While they are often used together, 무겁다 refers to weight, while 둔하다 refers to the resulting lack of agility.

Tips

Pair with Nunchi

If you only learn one phrase with this word, make it '눈치가 둔하다'. It is incredibly common in daily life and K-Dramas to describe someone who is romantically or socially clueless.

Contrast with Sharpness

Always remember that 둔하다 is the conceptual opposite of 'sharp'. If something should be sharp (a knife, a mind, a sense) but isn't, 둔하다 is the word to use.

Adjective Conjugation

Remember that 둔하다 is an adjective. In the present tense, it’s 둔해요. Don't try to use it with the progressive form '-고 있다' unless you change it to the verb form '둔해지고 있다'.

Politeness Matters

Avoid calling your superiors or elders '둔하다'. It sounds like you are calling them slow-witted. Use more indirect or polite ways to describe their speed or condition.

Sluggishness

Use '몸이 둔하다' when you feel like you can't move quickly, perhaps after a big meal or when wearing heavy clothes. It’s more descriptive than just saying 'I'm slow'.

Dull Pain

When at a Korean pharmacy or hospital, use '둔한 통증' to describe an ache that isn't sharp. This helps the professional give you a better diagnosis.

Formal Contexts

In essays or news, look for '둔화되다'. It is the standard way to describe a slowing trend in numbers, growth, or speed.

Muffled Sounds

Describe heavy, low-pitched sounds as '둔한 소리'. This is great for creative writing or describing something you heard through a wall.

Self-Deprecation

Using 둔하다 to describe yourself ('제가 좀 둔해서요...') is a common way to humbly apologize if you missed a social cue or a hint.

The Thud Rule

Think of a heavy object falling: 'Thud!'. A 'thud' is a '둔한 소리'. This helps you remember the 'heavy/dull' essence of the word.

Memorize It

Mnemonic

Think of a 'Dull' 'DUNce'. The word starts with 'DUN', similar to 'dunce,' who is traditionally seen as slow or dull.

Visual Association

Imagine a very thick, heavy winter coat that makes you move like a slow robot. That feeling of being 'clunky' is 둔하다.

Word Web

Dull knife Numb fingers Slow reaction Socially clueless Heavy movements Muffled sound Economic slowdown Insensitive

Challenge

Try to use '눈치가 둔하다' to describe a character in a movie you recently watched. Write three sentences about why they are 둔하다.

Word Origin

Derived from the Hanja (Sino-Korean) root '둔' (鈍), which means 'dull,' 'blunt,' or 'stupid.' The suffix '-하다' is added to turn the root into an adjective.

Original meaning: The character 鈍 (둔) originally referred to a metal blade that was not sharp.

Sino-Korean (Hanja-based).

Cultural Context

Be careful when using this word to describe others. Calling someone '둔하다' can be seen as an insult to their intelligence or social skills. It is better to use it for yourself or in a joking manner with close friends.

In English, we might use 'slow,' 'clueless,' or 'dense.' 'Dense' is perhaps the closest equivalent to the social meaning of 둔하다.

The character 'Bear' (곰) in various Korean folktales is the epitome of being 둔하다. In the drama 'Reply 1988,' the character Choi Taek is often described as 둔하다 in daily life despite being a genius at Go. The term '둔재' (dullard) is often used in academic contexts to contrast with '천재' (genius).

Practice in Real Life

Real-World Contexts

Physical Clumsiness

몸이 둔해요
동작이 둔하다
움직임이 둔해지다
살이 쪄서 둔하다

Social Obliviousness

눈치가 둔하다
말귀가 둔하다
분위기 파악이 둔하다
상황 판단이 둔하다

Sensory Issues

감각이 둔하다
미각이 둔하다
청각이 둔하다
촉각이 둔하다

Medical Symptoms

둔한 통증
둔한 느낌
신경이 둔하다
반응이 둔하다

Economics/Trends

성장이 둔하다
소비가 둔하다
증가세가 둔하다
수요가 둔하다

Conversation Starters

"요즘 운동을 안 해서 몸이 너무 둔해진 것 같아요."

"그 친구는 정말 눈치가 둔한 것 같지 않아요?"

"겨울에 옷을 많이 입으면 움직이기가 너무 둔해요."

"매운 걸 너무 많이 먹어서 미각이 둔해진 것 같아요."

"혹시 이 칼 좀 갈아주실래요? 너무 둔해서요."

Journal Prompts

최근에 내가 '눈치가 둔하다'고 느꼈던 순간에 대해 써보세요. (Write about a time you felt you were socially oblivious.)

몸이 둔해지지 않기 위해 내가 매일 하는 노력은 무엇인가요? (What efforts do you make daily to not feel sluggish?)

자신의 감각(시각, 청각 등) 중에서 가장 둔하다고 생각하는 것은 무엇인가요? (Which of your senses do you think is the dullest?)

나이가 들면서 감각이 둔해지는 것에 대해 어떻게 생각하나요? (What are your thoughts on senses dulling as one ages?)

주변에 정말 둔한 사람이 있다면, 그 사람 때문에 답답했던 경험을 적어보세요. (Write about a frustrating experience with a very slow/dull person.)

Frequently Asked Questions

10 questions

No, you should use '느리다' (slow) for internet or computer speeds. 둔하다 is for physical bodies, senses, or social awareness. If you use 둔하다 for the internet, it might sound like you are saying the internet is 'clumsy' or 'insensitive,' which doesn't make sense.

Not always, but it is rarely a compliment. It can be a lighthearted tease among friends, but in a professional setting, it is a criticism of someone's social skills. It suggests they are failing to meet the social expectations of the group.

굼뜨다 is more informal and specifically describes someone who moves or acts very slowly and lazily. 둔하다 is a broader term that includes physical sensation, social wit, and the sharpness of objects.

Yes, '둔한 소리' refers to a low-pitched, heavy, or muffled sound, like a thud behind a wall. It is the opposite of a '날카로운 소리' (sharp/high-pitched sound).

You can say '다리 감각이 둔해요'. This literally means 'The sensation in my legs is dull/numb.' It's a very common way to describe that pins-and-needles feeling or reduced sensation after sitting too long.

Yes, the most common noun is '둔화' (deceleration/slowing down). You will see this in news headlines like '경기 둔화' (economic slowdown). Another noun is '둔재', which means a person who is not gifted or is slow-witted.

Yes, it is often used to describe the *effect* of weight. '살이 쪄서 몸이 둔하다' means 'I've gained weight, so my body feels heavy and slow.' It describes the loss of agility rather than the weight itself.

Depending on the context, the opposite is '날카롭다' (sharp/keen), '민첩하다' (agile), or '예민하다' (sensitive). For social wit, the opposite is '눈치가 빠르다'.

No, for a boring movie, use '지루하다'. 둔하다 is not used for 'boring' in the sense of lack of interest; it's only for 'dull' in the sense of lack of sharpness or speed.

Yes, it can describe someone who isn't sensitive to others' feelings. However, '무디다' or '무신경하다' (unconcerned/insensitive) are also very common for that specific personality trait.