At the A1 level, you should focus on the most basic meaning of '불건강하다'. Think of it as the opposite of '건강하다' (to be healthy). If you see a picture of a hamburger, fries, and a large soda, you can say '이 음식은 불건강해요' (This food is unhealthy). At this stage, don't worry too much about the Hanja (Chinese characters) behind it. Just remember that '불-' makes the word '건강하다' mean its opposite. You can use it to talk about simple things like eating too much candy or not sleeping enough. It's a useful word for describing basic habits that you know are not good for your body. Try to practice it with the polite ending '-해요' to make sentences like '불건강한 음식은 맛이 있어요' (Unhealthy food is delicious), which is a sentiment many people share! Use it to label things in your daily life as either '건강한' (healthy) or '불건강한' (unhealthy).
At the A2 level, you can start using '불건강하다' to describe more than just food. You can use it for '습관' (habits) and '생활' (life/lifestyle). You should also learn how to use the modifier form '불건강한' before a noun. For example, '불건강한 생활 습관' (unhealthy lifestyle habits). At this level, you are beginning to form longer sentences, so you might say, '저는 불건강한 음식을 좋아하지만, 이제는 건강한 음식을 먹으려고 노력해요' (I like unhealthy food, but now I try to eat healthy food). You should also be aware that this word is slightly more formal than just saying '건강에 안 좋아요'. Using '불건강하다' shows you have a growing vocabulary and can use more specific descriptive verbs. You might encounter this word in simple health tips or in a basic doctor-patient dialogue in your textbook. Practice conjugating it into the past tense: '어제는 너무 불건강하게 먹었어요' (Yesterday, I ate very unhealthily).
By the B1 level, you should understand the nuance that '불건강하다' often describes a state that is sustained over time. It's not just a one-time thing, but a pattern. You can use it to talk about social issues or environmental factors. For instance, '불건강한 사회 분위기' (an unhealthy social atmosphere). You should also be comfortable using it in various grammatical structures, such as '-기 때문에' (because) or '-(으)면' (if). Example: '불건강한 식습관을 계속하면 병에 걸릴 수 있습니다' (If you continue unhealthy eating habits, you may get sick). At this stage, you should also be able to distinguish '불건강하다' from synonyms like '해롭다' (harmful) and '부실하다' (weak/insufficient). You'll hear this word in news segments about public health or in magazines discussing mental wellness. It is a key word for participating in intermediate-level discussions about well-being and lifestyle choices.
At the B2 level, you can use '불건강하다' in more abstract and professional contexts. It is frequently used in psychological and sociological discussions. You might discuss '불건강한 경쟁' (unhealthy competition) in the education system or '불건강한 자아' (an unhealthy ego). You should be able to use the word to provide detailed explanations or arguments. For example, '도시의 불건강한 환경이 시민들의 정신 건강에 미치는 영향' (The impact of the city's unhealthy environment on citizens' mental health). You should also be proficient in using the adverbial form '불건강하게' to describe how an action is performed or how a situation develops. At this level, you are expected to understand the subtle difference between this word and more clinical terms like '병적인' (pathological). You will encounter '불건강하다' in editorials, academic essays, and formal debates. It is a versatile tool for critiquing systems and behaviors that lack balance and sustainability.
At the C1 level, your use of '불건강하다' should be precise and nuanced. You can use it to describe complex systems, philosophical concepts, or intricate social dynamics. For instance, you might analyze '불건강한 권력 구조' (unhealthy power structures) within an organization or '불건강한 언론 문화' (an unhealthy media culture). You should understand how the word interacts with other high-level Hanja-based vocabulary. You are likely to see this word in literature or high-level academic journals where authors critique the 'unhealthiness' of modern civilization itself. You should also be able to use it rhetorically to emphasize the negative aspects of a particular trend. Your ability to conjugate and integrate this word into complex, multi-clause sentences should be seamless. For example: '이러한 불건강한 담론의 확산은 사회적 불신을 조장하는 결과를 초래할 수 있다' (The spread of such unhealthy discourse can result in fostering social distrust).
At the C2 level, you have a near-native grasp of '불건강하다'. You understand its historical weight and its place within the broader spectrum of Korean health and morality vocabulary. You can use it to engage in deep philosophical discussions about what constitutes a 'healthy' versus an 'unhealthy' existence in a postmodern world. You might explore the '불건강한 집착' (unhealthy obsession) of a character in a complex novel or the '불건강한 경제 의존도' (unhealthy economic dependency) of a nation. Your usage is indistinguishable from a native speaker's, knowing exactly when to use this word for formal gravity and when to opt for a more colloquial expression for emotional impact. You can interpret the word's use in various registers, from legal documents to poetic expressions, and you can employ it to articulate sophisticated critiques of systemic issues with linguistic flair and precision.

불건강하다 in 30 Seconds

  • 불건강하다 means 'to be unhealthy', specifically regarding lifestyle, food, and habits.
  • It is a formal, Hanja-based word (不健康) used in clinical and descriptive contexts.
  • Commonly used to modify nouns like '음식' (food), '습관' (habit), and '생활' (life).
  • It differs from '아프다' (sick) as it describes a state rather than a feeling of pain.

The word 불건강하다 (bul-geon-gang-ha-da) is a descriptive verb, often categorized as an adjective in English, that specifically points toward a state of being unhealthy, unwholesome, or detrimental to one's physical or mental well-being. It is composed of the prefix 불- (不), meaning 'not' or 'non-', and the root 건강 (健康), which means 'health'. Unlike the simple negation '건강하지 않다', which can describe a temporary lack of vigor, 불건강하다 often carries a more clinical or formal nuance, frequently used to describe systemic issues like diets, lifestyles, or environments that are inherently 'unhealthy'.

Linguistic Root
The Hanja '不' (불) denotes negation, while '健康' (건강) refers to the absence of disease and the presence of physical vitality. Together, they form a word that describes a state of 'non-health' or 'anti-health'.

요즘 제 식습관이 너무 불건강하다는 것을 깨달았어요. (I realized that my eating habits these days are very unhealthy.)

In Korean society, where the concept of 'Well-being' (웰빙) has been a dominant cultural trend for decades, using words like 불건강하다 allows for a precise critique of habits. It is less about being 'sick' (아프다) and more about the quality of choices. For instance, if you eat instant ramen for every meal, your diet is 불건강하다. If you work in a room without windows and fresh air, that environment is 불건강하다. It is a word of evaluation and diagnosis.

Usage Context
Commonly found in health articles, medical advice, and self-reflective journals regarding personal growth and habit tracking.

이런 불건강한 생활 방식은 고쳐야 합니다. (This unhealthy lifestyle must be corrected.)

Furthermore, the word can extend to mental or social states. A '불건강한 관계' (unhealthy relationship) or '불건강한 사고방식' (unhealthy way of thinking) are common expressions. In these contexts, it suggests a lack of balance and a presence of toxic elements that prevent flourishing. It serves as a stark warning against the continuation of harmful patterns.

Mastering 불건강하다 requires understanding its conjugation and its role as a modifier. As an adjective (descriptive verb), it follows standard conjugation patterns but is most powerful when used to modify nouns to create specific health-related terms.

Noun Modification
To describe a noun as 'unhealthy', change the stem '불건강하-' to '불건강한'. Example: 불건강한 음식 (unhealthy food), 불건강한 습관 (unhealthy habit).

설탕이 많이 들어간 음식을 자주 먹는 것은 매우 불건강합니다. (Eating foods with a lot of sugar frequently is very unhealthy.)

When used as a predicate (at the end of a sentence), it takes various levels of formality. In polite casual speech, it becomes 불건강해요. In formal settings, such as a doctor's office or a presentation, 불건강합니다 is preferred. If you are writing in a diary or a textbook, the plain form 불건강하다 is used.

그의 안색이 불건강해 보입니다. (His complexion looks unhealthy.)

Another important usage is the causative or comparative form. You might say something is 'more unhealthy' than something else by using 더 불건강하다. Or you can describe the process of becoming unhealthy using 불건강해지다. For example, '스트레스 때문에 생활이 불건강해졌어요' (My life became unhealthy because of stress). This flexibility allows speakers to describe not just a static state, but dynamic changes in health quality.

Common Sentence Patterns
[Noun] + 은/는 + [Noun] + 보다 + 불건강하다. (A is more unhealthy than B.) / [Noun] + 은/는 + 불건강한 + [Noun] + 이다. (A is an unhealthy B.)

In the modern Korean linguistic landscape, 불건강하다 is ubiquitous in media focused on lifestyle improvement and social criticism. You will hear it in television programs like '생로병사의 비밀' (The Secrets of Life, Aging, Sickness, and Death), where experts analyze the 불건강한 habits of participants to offer medical interventions. In these contexts, the word carries a weight of authority and scientific observation.

현대인들은 불건강한 식단에 노출되어 있습니다. (Modern people are exposed to unhealthy diets.)

Social media platforms like Instagram and YouTube are also hotspots for this word. Fitness influencers often use it when discussing 'Cheat Days' or when critiquing common misconceptions about dieting. They might say, '무리한 다이어트는 몸을 불건강하게 만듭니다' (Excessive dieting makes your body unhealthy). Here, the adverbial form 불건강하게 is used to describe the result of an action.

Workplace environments also feature this word. During health check-ups (건강검진), a doctor might point at a patient's results and mention that their liver condition or cholesterol levels are in a 불건강한 state. It serves as a professional euphemism for 'bad' that focuses on the clinical aspect of health. Furthermore, in psychological counseling, one might hear about 불건강한 애착 관계 (unhealthy attachment relationships), showing the word's versatility in describing emotional states.

Media Examples
News reports on air pollution, documentaries about the dangers of fast food, and self-help books focusing on breaking toxic cycles.

One of the most frequent errors English speakers make is using 불건강하다 to mean 'I am sick'. In English, 'I am unhealthy' can sometimes imply 'I am currently ill', but in Korean, if you have a cold or a fever, you must use 아프다 (to be in pain/sick) or 감기에 걸리다 (to have a cold). 불건강하다 refers to a general state or a long-term quality, not a temporary illness.

Mistake: 'I am sick'
Incorrect: 오늘 몸이 불건강해서 학교에 못 가요. (Wrong context). Correct: 오늘 몸이 아파서 학교에 못 가요. (I'm sick, so I can't go to school.)

그 영화는 불건강한 내용을 담고 있어요. (That movie contains unwholesome content.)

Another mistake is confusing it with 해롭다 (harmful). While they are related, 해롭다 is an active descriptor of the effect (e.g., 'Smoking is harmful to the lungs'), whereas 불건강하다 describes the state of the thing itself or the resulting condition. You wouldn't usually say '담배는 불건강하다' (Cigarettes are unhealthy) as often as '담배는 건강에 해롭다' (Cigarettes are harmful to health).

Lastly, avoid overusing the Hanja-based 불건강하다 in very casual conversations with friends. While not 'wrong', saying '너의 식단은 불건강해' might sound a bit like a textbook or a doctor speaking. In casual settings, Koreans often prefer '몸에 안 좋아' (It's not good for your body) or '건강에 안 좋아'. Understanding the register is key to sounding natural.

To enrich your Korean vocabulary, it is essential to know the alternatives to 불건강하다. Depending on the context, other words might be more precise or more natural.

1. 해롭다 (Hae-rop-da)
Meaning 'harmful' or 'detrimental'. Used when something actively causes damage. Example: '미세먼지는 호흡기에 해롭다' (Fine dust is harmful to the respiratory system).
2. 안 좋다 (An Jot-da)
The most common casual alternative. Literally 'not good'. Used for everything from health to weather to feelings. Example: '건강에 안 좋은 음식' (Food that is not good for health).

과도한 음주는 해롭습니다. (Excessive drinking is harmful.)

Another interesting alternative is 부실하다 (bu-sil-ha-da), which means 'weak', 'feeble', or 'shoddy'. While 불건강하다 implies the presence of bad things, 부실하다 often implies the *absence* of good things (like nutrients). '부실한 식사' is a meal that lacks proper nutrition, whereas '불건강한 식사' might be a meal full of junk food.

Finally, consider 유해하다 (yu-hae-ha-da), which is a formal/legal term for 'noxious' or 'hazardous'. You'll see this on warning labels or in environmental regulations. '유해 물질' (hazardous substances) is a common phrase. While 불건강하다 is about the lifestyle state, 유해하다 is about the toxic nature of a substance.

How Formal Is It?

Fun Fact

The character '不' is usually pronounced 'bu' (부), but changes to 'bul' (불) when followed by certain consonants like 'd' or 'j', or in established compounds like this one.

Pronunciation Guide

UK /pul.ɡʌn.ɡaŋ.ɦa.da/
US /bul.ɡʌn.ɡɑŋ.hɑ.dɑ/
Primary stress is on the second syllable '건' (geon).
Rhymes With
당당하다 (dang-dang-ha-da) 생생하다 (saeng-saeng-ha-da) 명랑하다 (myeong-rang-ha-da) 당황하다 (dang-hwang-ha-da) 상당하다 (sang-dang-ha-da) 침착하다 (chim-chak-ha-da) 강력하다 (gang-ryeok-ha-da) 정직하다 (jeong-jik-ha-da)
Common Errors
  • Pronouncing '불' as 'bool' (with a long 'oo') instead of a short 'u'.
  • Aspirating the initial 'ㅂ' like a strong English 'P'.
  • Dropping the 'ㅎ' sound in '하다'.
  • Pronouncing '강' with a flat 'a' like 'cat' instead of 'father'.
  • Confusing 'eo' (ㅓ) with 'o' (ㅗ).

Difficulty Rating

Reading 2/5

The Hanja root is recognizable for intermediate learners.

Writing 3/5

Requires correct conjugation and modifier usage.

Speaking 2/5

Pronunciation is straightforward once 'eo' is mastered.

Listening 2/5

Commonly heard in health-related media.

What to Learn Next

Prerequisites

건강 (health) 하다 (to do/be) 음식 (food) 습관 (habit) 몸 (body)

Learn Next

해롭다 (harmful) 영양소 (nutrient) 면역력 (immunity) 진단하다 (to diagnose) 치료하다 (to treat)

Advanced

병리학적 (pathological) 만성적인 (chronic) 결핍 (deficiency) 남용 (abuse/misuse) 부작용 (side effect)

Grammar to Know

Adjective Modifier Form (-ㄴ/은)

불건강하다 -> 불건강한 음식

Adverbial Form (-게)

불건강하다 -> 불건강하게 살다

Causative Form (-아/어지다)

불건강하다 -> 불건강해지다

Negation (-지 않다)

불건강하지 않다

Polite Ending (-아요/어요)

불건강해요

Examples by Level

1

이 사탕은 너무 불건강해요.

This candy is too unhealthy.

불건강해요 is the polite present form.

2

불건강한 음식은 피하세요.

Avoid unhealthy food.

불건강한 is the adjective form modifying '음식'.

3

햄버거는 불건강합니까?

Are hamburgers unhealthy?

불건강합니까 is the formal question form.

4

제 동생은 불건강한 습관이 있어요.

My younger sibling has unhealthy habits.

습관 means habit.

5

너무 불건강하게 먹지 마세요.

Don't eat too unhealthily.

-게 makes the adjective an adverb.

6

이 주스는 불건강하지 않아요.

This juice is not unhealthy.

-지 않아요 is the negative ending.

7

라면은 불건강한 식사예요.

Ramen is an unhealthy meal.

식사 means meal.

8

불건강한 것은 맛이 있어요.

Unhealthy things are delicious.

것 means 'thing'.

1

불건강한 생활을 바꾸고 싶어요.

I want to change my unhealthy life.

생활 means life/lifestyle.

2

늦게 자는 것은 불건강한 습관이에요.

Sleeping late is an unhealthy habit.

-는 것은 makes a verb a noun phrase.

3

그 식당의 음식은 너무 불건강해요.

The food at that restaurant is too unhealthy.

식당 means restaurant.

4

불건강한 몸을 건강하게 만들어요.

Let's make an unhealthy body healthy.

-게 만들다 means 'to make something [adjective]'.

5

요즘 제 식단이 조금 불건강해요.

My diet is a bit unhealthy these days.

식단 means diet/menu.

6

불건강한 상태가 계속되고 있어요.

The unhealthy state is continuing.

-고 있다 indicates continuous action/state.

7

그는 불건강한 안색을 가지고 있어요.

He has an unhealthy complexion.

안색 refers to the color/look of one's face.

8

불건강한 음식을 줄여야 합니다.

We must reduce unhealthy foods.

-어야 합니다 means 'must' or 'should'.

1

불건강한 사회 구조가 스트레스를 유발합니다.

An unhealthy social structure causes stress.

유발하다 means to cause or trigger.

2

청소년들의 불건강한 인터넷 사용이 문제입니다.

Teenagers' unhealthy internet use is a problem.

사용 means use/usage.

3

불건강한 다이어트는 요요 현상을 불러옵니다.

An unhealthy diet brings about the yo-yo effect.

불러오다 literally means 'to call and bring'.

4

이 보고서는 불건강한 도시 환경에 대해 설명합니다.

This report explains the unhealthy urban environment.

보고서 means report.

5

불건강한 인간관계는 정신을 힘들게 합니다.

Unhealthy relationships make the mind suffer.

인간관계 means human relationships.

6

그의 사고방식은 매우 불건강해 보입니다.

His way of thinking seems very unhealthy.

사고방식 means way of thinking.

7

불건강한 취미 생활은 오히려 독이 됩니다.

An unhealthy hobby life is actually like poison.

독 means poison.

8

우리는 불건강한 문화를 개선해야 합니다.

We must improve the unhealthy culture.

개선하다 means to improve or reform.

1

과도한 경쟁은 불건강한 심리 상태를 초래할 수 있습니다.

Excessive competition can result in an unhealthy psychological state.

초래하다 is a formal word for 'to result in'.

2

불건강한 집착은 상대방에게 상처를 줍니다.

Unhealthy obsession hurts the other person.

집착 means obsession/attachment.

3

이 약은 불건강한 세포만을 공격하도록 설계되었습니다.

This medicine is designed to attack only unhealthy cells.

설계되다 means to be designed.

4

불건강한 경제 성장은 양극화를 심화시킵니다.

Unhealthy economic growth deepens polarization.

심화시키다 means to deepen or intensify.

5

정치인들의 불건강한 논쟁에 국민들은 실망했습니다.

The public was disappointed by the unhealthy debates of politicians.

논쟁 means debate or dispute.

6

불건강한 수면 패턴은 만성 피로의 원인입니다.

Unhealthy sleep patterns are the cause of chronic fatigue.

만성 피로 means chronic fatigue.

7

이 지역의 불건강한 대기 질이 우려됩니다.

The unhealthy air quality in this area is concerning.

대기 질 means air quality.

8

불건강한 소비 습관은 가계 부채를 늘립니다.

Unhealthy spending habits increase household debt.

가계 부채 means household debt.

1

불건강한 담론이 지배하는 사회에서는 진실이 왜곡되기 쉽습니다.

In a society dominated by unhealthy discourse, the truth is easily distorted.

왜곡되다 means to be distorted.

2

작가는 현대 문명의 불건강한 단면을 날카롭게 비판했습니다.

The author sharply criticized the unhealthy aspects of modern civilization.

단면 literally means 'cross-section' or 'aspect'.

3

불건강한 조직 문화는 창의성을 저해하는 요소입니다.

An unhealthy organizational culture is a factor that hinders creativity.

저해하다 means to hinder or impede.

4

그의 예술 세계는 불건강한 욕망을 탐구하는 경향이 있습니다.

His artistic world tends to explore unhealthy desires.

탐구하다 means to explore or investigate.

5

불건강한 권위주의는 민주주의의 발전을 가로막습니다.

Unhealthy authoritarianism blocks the development of democracy.

가로막다 means to block or obstruct.

6

기업의 불건강한 지배 구조를 개선하기 위한 법안이 발의되었습니다.

A bill was proposed to improve the unhealthy governance structure of corporations.

발의되다 means to be proposed (a bill).

7

불건강한 자아 정체성은 대인 관계에 부정적인 영향을 미칩니다.

An unhealthy self-identity negatively affects interpersonal relationships.

영향을 미치다 means to exert influence.

8

우리는 불건강한 고정관념에서 벗어나야 합니다.

We must break free from unhealthy stereotypes.

고정관념 means stereotype.

1

포스트모더니즘적 시각에서 불건강함의 기준은 해체될 수 있습니다.

From a postmodern perspective, the criteria for unhealthiness can be deconstructed.

해체되다 means to be deconstructed.

2

불건강한 민족주의의 발흥은 세계 평화에 심각한 위협이 됩니다.

The rise of unhealthy nationalism poses a serious threat to world peace.

발흥 means rise or sudden emergence.

3

인간 소외 현상은 불건강한 자본주의의 필연적 산물일지도 모릅니다.

Human alienation might be an inevitable byproduct of unhealthy capitalism.

산물 means product or byproduct.

4

불건강한 종교적 광신은 사회적 갈등의 불씨가 되곤 합니다.

Unhealthy religious fanaticism often becomes the spark of social conflict.

불씨 literally means 'embers' or 'spark'.

5

철학자는 불건강한 삶의 양식을 성찰할 것을 촉구했습니다.

The philosopher urged reflection on unhealthy modes of living.

촉구하다 means to urge or demand.

6

불건강한 학벌 지상주의는 한국 교육의 고질적인 병폐입니다.

Unhealthy academic elitism is a chronic malady of Korean education.

병폐 means malady or evil practice.

7

이 영화는 불건강한 에로티시즘을 통해 인간의 본성을 탐색합니다.

This movie explores human nature through unhealthy eroticism.

본성 means nature or essence.

8

불건강한 여론 형성은 민주적 의사결정 과정을 방해합니다.

The formation of unhealthy public opinion hinders the democratic decision-making process.

의사결정 means decision-making.

Common Collocations

불건강한 식습관
불건강한 생활
불건강한 관계
불건강한 안색
불건강한 사고방식
매우 불건강하다
불건강하게 보이다
불건강한 취미
불건강한 상태
불건강한 경쟁

Common Phrases

몸이 불건강하다

— One's body is in an unhealthy state. Refers to general poor health.

몸이 불건강하면 마음도 약해집니다.

정신적으로 불건강하다

— To be mentally unhealthy. Refers to emotional or psychological issues.

그는 정신적으로 불건강한 상태에 빠져 있다.

식생활이 불건강하다

— One's dietary life is unhealthy. Refers to poor eating patterns.

현대인의 식생활이 너무 불건강해지고 있다.

불건강한 환경

— An unhealthy environment. Can be physical (pollution) or social.

불건강한 환경에서 아이를 키울 수 없다.

불건강한 생각

— Unhealthy thoughts. Usually refers to pessimistic or harmful ideas.

불건강한 생각은 일찍 버리는 것이 좋다.

불건강한 집착

— Unhealthy obsession. Refers to toxic levels of focus on something.

성공에 대한 불건강한 집착은 위험하다.

불건강한 문화

— Unhealthy culture. Refers to toxic social norms.

회식 위주의 불건강한 문화를 바꿔야 한다.

불건강한 피부

— Unhealthy skin. Refers to skin that looks dull or problematic.

불건강한 피부를 위해 수분을 섭취하세요.

불건강한 다이어트

— Unhealthy dieting. Refers to extreme or dangerous weight loss.

불건강한 다이어트는 건강을 해칩니다.

불건강한 사회

— Unhealthy society. A critical term for a dysfunctional community.

불건강한 사회에서는 범죄가 늘어난다.

Often Confused With

불건강하다 vs 아프다

A1-level word for 'to be sick' or 'in pain'. Use '아프다' for temporary illness and '불건강하다' for long-term unhealthy states.

불건강하다 vs 해롭다

Means 'harmful'. Use '해롭다' for things that cause damage (like poison) and '불건강하다' for the state of being unhealthy.

불건강하다 vs 부실하다

Means 'weak' or 'insufficient'. Use '부실하다' when something lacks quality or nutrients.

Idioms & Expressions

"불건강한 뿌리"

— An unhealthy root. Metaphorically refers to the fundamental cause of a problem.

이 문제의 불건강한 뿌리를 뽑아야 합니다.

Literary
"불건강한 그늘"

— An unhealthy shadow. Refers to the dark or negative side of something seemingly good.

성공의 이면에는 불건강한 그늘이 있었다.

Poetic
"불건강한 늪"

— An unhealthy swamp. Refers to a situation that is hard to escape and increasingly harmful.

그는 불건강한 늪에 빠져 허우적거리고 있다.

Metaphorical
"불건강한 씨앗"

— An unhealthy seed. Refers to the beginning of a future problem.

불건강한 씨앗이 결국 큰 병이 되었다.

General
"불건강한 바람"

— An unhealthy wind. Refers to a negative trend or influence in society.

사회에 불건강한 바람이 불고 있다.

Journalistic
"불건강한 거울"

— An unhealthy mirror. Refers to a distorted self-image or reflection of society.

미디어는 불건강한 거울이 되어서는 안 된다.

Critical
"불건강한 가면"

— An unhealthy mask. Refers to hiding one's poor state behind a fake appearance.

그는 불건강한 가면을 쓰고 웃고 있었다.

Psychological
"불건강한 사슬"

— An unhealthy chain. Refers to a cycle of harmful behavior that is hard to break.

불건강한 사슬을 끊고 새 삶을 찾으세요.

Inspirational
"불건강한 토양"

— Unhealthy soil. Refers to a foundation or environment that doesn't allow for healthy growth.

불건강한 토양에서는 좋은 인재가 자랄 수 없다.

Educational
"불건강한 열매"

— Unhealthy fruit. Refers to the negative outcome of a process.

그의 노력은 불건강한 열매를 맺고 말았다.

Literary

Easily Confused

불건강하다 vs 불건전하다

Both start with '불건-'.

불건강하다 is about physical/mental health, while 불건전하다 is about moral or social wholesomeness (e.g., adult content).

이 영화는 불건전한 내용을 담고 있다.

불건강하다 vs 병들다

Both relate to not being healthy.

병들다 means to actually fall ill or be diseased. 불건강하다 is a broader state of poor health.

나무가 병들어서 죽어간다.

불건강하다 vs 약하다

Poor health often leads to weakness.

약하다 means 'weak' in strength or durability. You can be 불건강하다 but still physically strong (e.g., a strong person with high cholesterol).

그는 몸이 약해서 자주 감기에 걸린다.

불건강하다 vs 나쁘다

Unhealthy is a type of 'bad'.

나쁘다 is general 'bad'. 불건강하다 is specific to health.

공기가 나쁘다 (The air is bad/polluted).

불건강하다 vs 피곤하다

Being unhealthy makes you feel tired.

피곤하다 is 'tired'. It is a temporary feeling, whereas 불건강하다 is a state.

오늘은 너무 피곤해서 일찍 잘게요.

Sentence Patterns

A1

N은/는 불건강해요.

피자는 불건강해요.

A2

불건강한 N을/를 V-아/어 보세요.

불건강한 음식을 줄여 보세요.

B1

N이/가 불건강하기 때문에 V.

생활이 불건강하기 때문에 운동을 시작했어요.

B2

N은/는 불건강한 N의 원인이 된다.

스트레스는 불건강한 식습관의 원인이 된다.

C1

N의 불건강한 단면을 보여주다.

이 사건은 우리 사회의 불건강한 단면을 보여준다.

C2

불건강한 N에 대한 성찰이 필요하다.

불건강한 소비 문화에 대한 성찰이 필요하다.

A2

N이/가 불건강해 보여요.

얼굴이 불건강해 보여요.

B1

V-는 것은 불건강한 일이다.

밤을 새우는 것은 불건강한 일이다.

Word Family

Nouns

불건강 (unhealthiness)
건강 (health)
불건강성 (the quality of being unhealthy)

Verbs

불건강해지다 (to become unhealthy)

Adjectives

불건강하다 (unhealthy)
건강하다 (healthy)

Related

질병 (disease)
습관 (habit)
영양 (nutrition)
운동 (exercise)
스트레스 (stress)

How to Use It

frequency

High in medical, health, and lifestyle contexts; moderate in daily casual speech.

Common Mistakes
  • Using it for a cold. 아프다 / 감기에 걸리다

    불건강하다 is for a general state, not a temporary sickness.

  • Saying '불건강하다 음식'. 불건강한 음식

    Adjectives must be in the modifier form (-ㄴ/은) to describe a noun.

  • Using it for 'bad' personality. 성격이 나쁘다

    불건강하다 is about health/well-being, not general personality traits unless referring to psychological health.

  • Confusing '불건강하다' with '불건전하다'. Context dependent.

    Use '불건강' for health and '불건전' for moral/unwholesome topics.

  • Pronouncing '불' as 'bool'. Short 'u' sound.

    The vowel 'ㅜ' is short and rounded, not a long 'oo'.

Tips

Learn the prefix '불-'

The prefix '불-' (不) means 'not'. Learning it will help you understand many other words like '불가능' (impossible) and '불안' (anxiety).

Use it for habits

This word is perfect for talking about '습관' (habits). Try to use it when discussing your daily routine in Korean.

Modifier form

Remember that to describe a noun, you must use '불건강한'. Never say '불건강하다 음식'.

Formal vs Casual

Keep '불건강하다' for writing or formal talks. Use '건강에 안 좋다' for chatting with friends to sound more natural.

Medical context

When you see this word in a hospital or health article, pay close attention to the nouns it modifies; they are usually the core of the health issue.

Well-being culture

Korea has a strong 'Well-being' culture. Understanding '불건강하다' helps you understand what Koreans are trying to avoid in their quest for a long life.

The power of '-게'

Using '불건강하게' (unhealthily) allows you to describe actions. '불건강하게 살다' (to live unhealthily) is a very common phrase.

Compare and contrast

Practice by comparing two things. 'A는 B보다 불건강해요'. This helps you master the comparative structures in Korean.

Journaling

Write about your '불건강한' days in your diary. It's a great way to practice expressing negative states in a structured way.

TV Health Shows

Watch Korean health documentaries on YouTube. You will hear '불건강하다' many times, which helps with listening comprehension.

Memorize It

Mnemonic

Think of 'Bul' as 'Bull' and 'Geongang' as 'Gong'. A Bull hitting a Gong is loud and chaotic, which is 'unhealthy' for your ears!

Visual Association

Imagine a dark, wilted flower next to a bright, vibrant one. The wilted one is '불건강하다'.

Word Web

Food Sleep Habits Mind Environment Stress Fast Food Sedentary

Challenge

Write three things you did yesterday that were '불건강하다' and three things that were '건강하다'.

Word Origin

Composed of the Hanja prefix '不' (불 - not) and the noun '健康' (건강 - health). The structure follows the common Korean pattern of negating a noun-based adjective.

Original meaning: Literally 'not healthy' or 'lacking health'.

Sino-Korean (Hanja-based).

Cultural Context

Be careful not to use this word to judge people's bodies directly (body shaming); it is better used for habits and states.

English speakers often say 'I'm not feeling well', but Koreans use '불건강하다' to describe the *reason* why they might not feel well over time.

The documentary 'Super Size Me' is often discussed in Korea using the word '불건강한 식단'. K-Dramas often feature a 'Workaholic' character with '불건강한 생활'. Health gurus on Korean TV frequently use this word to scold guests.

Practice in Real Life

Real-World Contexts

At the Doctor's Office

  • 선생님, 제가 불건강한가요?
  • 불건강한 식습관을 고치세요.
  • 검사 결과가 불건강하게 나왔습니다.
  • 불건강한 상태가 지속되면 위험합니다.

Discussing Diet

  • 인스턴트 식품은 불건강해요.
  • 불건강한 음식은 맛이 강해요.
  • 너무 불건강하게 먹지 마세요.
  • 불건강한 식단 때문에 살이 쪘어요.

Work-Life Balance

  • 불건강한 야근 문화가 문제예요.
  • 생활 리듬이 불건강해졌어요.
  • 불건강한 스트레스 해소법은 해로워요.
  • 업무 환경이 불건강합니다.

Relationships

  • 불건강한 관계는 정리해야 해요.
  • 서로에게 불건강한 영향을 줘요.
  • 불건강한 집착은 사랑이 아니에요.
  • 우리의 대화 방식은 불건강해요.

Environmental Issues

  • 불건강한 공기 때문에 기침이 나요.
  • 도시의 불건강한 소음 공해.
  • 불건강한 수질 오염 문제.
  • 환경이 불건강하면 생태계가 파괴돼요.

Conversation Starters

"요즘 가장 불건강하다고 생각하는 습관이 뭐예요? (What's a habit you think is most unhealthy these days?)"

"불건강한 음식을 먹고 싶을 때 어떻게 참아요? (How do you resist when you want to eat unhealthy food?)"

"한국 사회의 불건강한 점은 무엇이라고 생각하세요? (What do you think is an unhealthy aspect of Korean society?)"

"불건강한 관계를 끝내본 적이 있나요? (Have you ever ended an unhealthy relationship?)"

"어떻게 하면 불건강한 생활에서 벗어날 수 있을까요? (How can we escape from an unhealthy life?)"

Journal Prompts

오늘 내가 한 불건강한 행동 세 가지를 적어보세요. (Write down three unhealthy things you did today.)

내가 생각하는 '불건강한 삶'의 정의는 무엇인가요? (What is your definition of an 'unhealthy life'?)

불건강한 식습관을 고치기 위한 구체적인 계획을 세워보세요. (Make a specific plan to fix your unhealthy eating habits.)

과거의 불건강했던 나와 현재의 나를 비교해 보세요. (Compare your past unhealthy self with your current self.)

불건강한 사회 환경이 개인에게 미치는 영향에 대해 써보세요. (Write about the impact of an unhealthy social environment on individuals.)

Frequently Asked Questions

10 questions

No, you should use '감기에 걸렸어요' or '아파요'. 불건강하다 describes a general state or habit, not a specific temporary illness like a cold.

It can be seen as critical. If you tell someone '너는 불건강해' (You are unhealthy), it sounds like a judgment of their lifestyle. It's better to say '건강이 걱정돼요' (I'm worried about your health).

It is 不健康 (불건강). 不 (not) + 健 (strong/healthy) + 康 (peace/health).

You can say '불건강한 음식', but in casual speech, '몸에 안 좋은 음식' is very common and sounds more natural.

Yes, '정신적으로 불건강하다' is a common and correct way to describe being in a poor mental or emotional state.

In Korean grammar, it is a descriptive verb, which functions like an adjective in English. It describes a state.

The direct opposite is 건강하다 (to be healthy).

It's rare. For bad weather, we usually say '날씨가 안 좋다' or '날씨가 궂다'. If the weather affects health (like smog), you might say '건강에 안 좋은 날씨'.

It becomes '불건강했어요' (polite) or '불건강했다' (plain).

Yes, to describe 'unhealthy' business practices, financial states, or corporate cultures.

Test Yourself 180 questions

writing

Translate into Korean: 'This eating habit is unhealthy.'

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writing

Translate into Korean: 'I want to change my unhealthy life.'

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writing

Translate into Korean: 'Unhealthy food is harmful to the body.'

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writing

Translate into Korean: 'Don't eat unhealthily.'

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writing

Translate into Korean: 'His complexion looks unhealthy today.'

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writing

Translate into Korean: 'Stress causes an unhealthy mind.'

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writing

Translate into Korean: 'We should improve the unhealthy culture.'

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writing

Translate into Korean: 'Unhealthy competition is a problem.'

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writing

Translate into Korean: 'Is instant ramen unhealthy?'

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writing

Translate into Korean: 'I am trying to fix my unhealthy habits.'

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writing

Write a sentence using '불건강한 식단'.

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writing

Write a sentence using '불건강하게'.

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writing

Write a sentence using '불건강해 보이다'.

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writing

Write a sentence using '불건강한 관계'.

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writing

Write a sentence using '정신적으로 불건강하다'.

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writing

Translate: 'Unhealthy growth deepens polarization.'

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writing

Translate: 'Avoid unhealthy environments.'

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writing

Translate: 'My life became unhealthy because of work.'

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writing

Translate: 'This is an unhealthy way of thinking.'

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writing

Translate: 'We must overcome unhealthy stereotypes.'

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speaking

Say 'Unhealthy food' in Korean.

Read this aloud:

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speaking

Say 'My habits are unhealthy' politely.

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speaking

Ask 'Is this unhealthy?' in Korean.

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speaking

Say 'Don't live unhealthily.'

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speaking

Tell someone they look unhealthy today.

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speaking

Pronounce '불건강하다' correctly.

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speaking

Explain why soda is unhealthy in simple Korean.

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speaking

Say 'I want to fix my unhealthy diet.'

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speaking

Say 'Unhealthy relationships are stressful.'

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speaking

Say 'He has an unhealthy obsession.'

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listening

Listen and write the word: [불건강한]

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listening

Listen and write the word: [불건강하게]

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listening

Listen to the sentence: '불건강한 음식은 피하세요.' What should you avoid?

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listening

Listen: '요즘 안색이 불건강해 보이네요.' What is the speaker noticing?

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listening

Listen and identify the formality: '불건강합니다.'

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listening

Listen: '불건강한 경쟁은 서로에게 해롭습니다.' What is harmful?

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listening

Listen and write the last word: '제 식습관은 매우... [불건강해요]'

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listening

Listen: '불건강한 생활 습관을 고칩시다.' What needs to be fixed?

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listening

Listen and translate: '불건강한 생각은 버리세요.'

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listening

Listen: '우리의 관계는 불건강해요.' Is the relationship good?

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writing

Translate: 'Is it unhealthy?'

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speaking

Say 'Unhealthy mind' in Korean.

Read this aloud:

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listening

Listen and write: [불건강해지다]

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writing

Translate: 'The room is unhealthy.'

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speaking

Say 'Unhealthy lifestyle'.

Read this aloud:

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listening

Listen and write: [불건강한 상태]

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/ 180 correct

Perfect score!

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