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불안정적이다

A2 adjective #8,000 am häufigsten 8 Min. Lesezeit

불안정적이다

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At the A1 level, you are just starting to learn basic adjectives. '불안정적이다' might feel a bit long, but you can understand it by looking at its parts. Think of it as the opposite of 'good' or 'steady.' You might use it to describe a toy that falls over easily or a chair that is broken and wobbles. At this stage, focus on the physical meaning: 'The table is unstable.' You don't need to worry about complex grammar. Just remember that '불안정적이에요' is the polite way to say it. If you see a tall stack of blocks that looks like it will fall, you can point and say, '불안정적이에요!' This helps you connect the long word to a simple physical feeling of something not being safe or steady.

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As an A2 learner, you are beginning to describe situations and feelings in more detail. You can use '불안정적이다' to talk about common problems like a bad internet connection or the weather. For example, '인터넷이 불안정적이에요' (The internet is unstable) is a very useful sentence. You are also learning how to modify nouns, so you can start saying '불안정적인 날씨' (unstable weather). At this level, it's important to start distinguishing between '불안정적이다' (the thing is unstable) and '불안하다' (I feel nervous). This will prevent many common mistakes. You might also use it to describe your daily schedule if it changes a lot.

At the B1 level, you can use '불안정적이다' in more abstract and professional contexts. You might discuss your career goals or the economy. You can say things like '제 수입은 조금 불안정적이에요' (My income is a bit unstable) when talking about freelance work. You should be comfortable using the word with various connectors like '-지만' (but) or '-아/어서' (because). For example, '생활이 불안정적이지만 행복해요' (Life is unstable but I am happy). You are also starting to recognize the word in news articles or simple reports about social issues in Korea, such as the housing market or employment rates among young people.

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By B2, you should understand the nuance that the suffix '-적' adds. It makes the word sound more like a classification or a formal description of a state. You can use '불안정적이다' to analyze complex situations, such as '정치적 불안정성' (political instability). You will encounter this word in literature and more advanced media where it describes the psychological depth of a character or the volatile nature of a society. You should be able to use the adverbial form '불안정적으로' to describe how something is functioning or moving. Your vocabulary is now rich enough to compare '불안정적이다' with synonyms like '위태롭다' to choose the exact level of intensity you need.

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At the C1 level, you use '불안정적이다' with high precision in academic or professional environments. You might use it in a presentation about market volatility or scientific phenomena. You understand the subtle differences between this word and its Hanja-based relatives. You can discuss the '불안정적인 구조' (unstable structure) of a theoretical model or a piece of architecture. You are also aware of the cultural implications of 'stability' in Korean society and how the term '불안정적' is used in social critiques regarding the 'Hell Joseon' discourse or the precariousness of the modern working class. You can use the word in complex grammatical constructions without hesitation.

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At the C2 level, '불안정적이다' is a tool for nuanced expression. You can use it metaphorically in creative writing or philosophical debate. You might describe the '불안정적인 자아' (unstable self) in a discussion of modern psychology or the '불안정적인 평화' (unstable peace) between nations. You have a master-level grasp of all its forms, including nominalized versions and rare Hanja combinations. You can detect the slightest change in tone when a speaker chooses '불안정적이다' over '흔들리다' or '가변적이다'. Your usage is indistinguishable from a highly educated native speaker, and you can explain the etymological roots and historical shifts in how the word has been used in Korean media over the decades.

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불안정적이다 means 'to be unstable' or 'insecure' in various contexts.
It is used for physical objects, emotions, economy, and technology.
It conjugates as an adjective using the -이다 (to be) ending.
Commonly confused with '불안하다' which means 'to feel anxious'.

The Korean word 불안정적이다 (bul-anjeongjeog-ida) is a descriptive verb, or adjective, that translates most directly to "to be unstable" or "to be insecure." In the Korean language, this word is built from several components that provide deep insight into its meaning. The prefix 불- (不) means "not," 안정 (安定) means "stability" or "steadiness," and the suffix -적 (的) turns the noun into a relational adjective, similar to the English suffix "-ic" or "-al." Therefore, the word literally describes something that has the quality of lacking stability. This term is incredibly versatile and is used across physical, emotional, economic, and systemic contexts. For instance, you might use it to describe a physical object like a wobbly chair, a scientific state like an unstable chemical isotope, or a more abstract concept like an unstable stock market or a person's insecure emotional state.

Physical Context: When an object is likely to fall or move unexpectedly, such as a ladder leaning at a bad angle or a building with a weak foundation. It implies a lack of physical balance.
Economic/Social Context: Used to describe job security, market trends, or political climates that are prone to sudden and negative changes. A '불안정적인 직업' is a job that might end at any moment.
Emotional Context: Refers to a person's mental state when they are feeling inconsistent, erratic, or deeply insecure about themselves or their surroundings.

요즘 경제 상황이 매우 불안정적이다. (The economic situation these days is very unstable.)

It is important to distinguish this from the simpler form 불안정하다. While they are often interchangeable, 불안정적이다 emphasizes the *nature* or *characteristic* of being unstable as a categorized state. You will frequently hear this word in news reports, academic lectures, and formal discussions where a precise description of a state of affairs is required. In daily life, it might be used when discussing one's future or the reliability of a service like an internet connection.

그 의자는 다리가 하나 짧아서 불안정적이다. (That chair is unstable because one leg is short.)

인터넷 신호가 불안정적이라서 영화를 볼 수 없어요. (The internet signal is unstable, so I can't watch the movie.)

그의 심리 상태는 매우 불안정적이다. (His psychological state is very unstable.)

정치적 국면이 불안정적일 때 투자는 위험합니다. (Investing is risky when the political phase is unstable.)

Using 불안정적이다 correctly requires understanding how to conjugate the -이다 (to be) ending and how to transform the word to modify nouns. Because it is an adjective in Korean (a descriptive verb), it follows the conjugation patterns of other -이다 words. In formal settings, you would say 불안정적입니다. In polite everyday conversation, it becomes 불안정적이에요. In casual speech among friends, you would use 불안정적이야.

As a Predicate: When the word comes at the end of the sentence to describe the subject. Example: '수입이 불안정적이다' (Income is unstable).
As a Noun Modifier: When you want to describe a noun directly, change it to '불안정적인'. Example: '불안정적인 날씨' (Unstable weather).
In Adverbial Form: To describe an action happening in an unstable way, use '불안정적으로'. Example: '그는 불안정적으로 걸었다' (He walked unstably).

Let's look at more complex sentence structures. Often, 불안정적이다 is paired with particles like -서 (because) or -지만 (but). For example, "고용 상태가 불안정적이라서 걱정이에요" (I'm worried because my employment status is unstable). Here, -이라서 is the 'because' form used with words ending in -이다. If you want to say "The weather is unstable but I will go out," you would say "날씨가 불안정적이지만 외출할 거예요."

이 시스템은 아직 개발 중이라서 불안정적입니다. (This system is still under development, so it is unstable.)

In professional writing, such as a business report or a scientific paper, you might see the form 불안정적임을, which means "the fact that it is unstable." For example, "연구 결과는 이 물질이 불안정적임을 보여준다" (The research results show that this substance is unstable). Understanding these variations allows you to communicate with nuance and precision across different levels of formality.

You will encounter 불안정적이다 in a variety of real-world scenarios in Korea. One of the most common places is the evening news. News anchors frequently discuss the '불안정적인 국제 정세' (unstable international situation) or '불안정적인 유가' (unstable oil prices). In these contexts, the word conveys a sense of unpredictability and potential crisis that the public should be aware of.

Another common setting is the workplace, specifically when discussing career paths or the economy. Many young Koreans today talk about the '불안정적인 고용 시장' (unstable labor market). If you are listening to a podcast about personal finance or career advice, you will hear people debating the pros and cons of '불안정적인 프리랜서 생활' (the unstable life of a freelancer) versus a stable office job. It carries a weight of anxiety about the future in these conversations.

Technology & Gaming: Gamers and tech enthusiasts often use this word to describe server issues or software bugs. '서버가 불안정적이에요' (The server is unstable) is a common complaint when a game is lagging or crashing.
Weather Forecasts: Meteorologists use it to describe atmospheric conditions that might lead to sudden storms or changes in temperature. '대기 상태가 불안정적입니다' (The atmospheric state is unstable).

In romantic or social dramas (K-Dramas), characters might use this word to describe their feelings or their relationships. A lead character might say, "우리 관계는 너무 불안정적이야" (Our relationship is too unstable), indicating that they are constantly fighting or unsure about their future together. It is a powerful word because it moves beyond just 'bad' or 'sad'—it specifically points to a lack of a solid foundation.

뉴스: "오늘 주식 시장은 매우 불안정적인 흐름을 보였습니다." (News: "Today's stock market showed a very unstable trend.")

One of the most frequent mistakes English speakers make when learning 불안정적이다 is confusing it with the word 불안하다 (buranhada). While they look similar and share the same root 불안 (不安), they have very different meanings and uses. 불안하다 means "to feel anxious" or "to be nervous." It is an internal emotional state. 불안정적이다, on the other hand, refers to an external state of being unstable or lacking balance. If you say "나는 불안정적이다," you are saying "I am an unstable person" (perhaps mentally or in life), whereas "나는 불안하다" means "I feel anxious right now."

Mistake 1: Confusing with '불안하다': Don't say '시험 때문에 불안정적이에요' (I am unstable because of the exam). Instead, say '시험 때문에 불안해요' (I am anxious because of the exam).
Mistake 2: Incorrect Noun Modification: Beginners often forget to change the ending to '-적인' when describing a noun. Saying '불안정적 날씨' is grammatically incomplete; it must be '불안정적인 날씨'.
Mistake 3: Overusing the '-적' form: Sometimes '불안정하다' is more natural than '불안정적이다'. The '-적' version sounds more like a formal classification. In casual speech about a table, '불안정해' is usually better than '불안정적이야'.

Another mistake is related to the particle usage. Since 불안정적이다 ends in -이다, it conjugates like a noun. Learners often try to conjugate it like a regular adjective (ending in -다 but without the 이), which leads to errors like '불안정적아' instead of the correct '불안정적이야'. Always remember that -적 words are essentially nouns that need the copula 이다 to function as a predicate.

Wrong: 인터넷이 불안정해요. (Wait, this is actually okay, but...)
Correct: 인터넷이 불안정적이에요. (This is more formal/descriptive of the state.)

There are several words in Korean that convey meanings similar to 불안정적이다, but they differ in nuance and intensity. Understanding these differences will help you sound more like a native speaker. The most direct alternative is 불안정하다. While 불안정적이다 implies a structural or categorical instability, 불안정하다 is a general term for being unstable. In most daily situations, they are interchangeable, but -적이다 sounds slightly more objective or academic.

위태롭다 (Witaeropda): This word means "precarious" or "at risk." It is much stronger than '불안정적이다'. If something is '위태롭다', it is on the verge of collapsing or failing dangerously. Example: '그의 생명이 위태롭다' (His life is in danger).
변덕스럽다 (Byeondeokseureopda): This specifically refers to "fickle" or "capricious" behavior or weather. Use this when the instability is due to someone's changing mind or unpredictable whims. Example: '날씨가 변덕스럽다' (The weather is fickle).
유동적이다 (Yudongjeog-ida): Meaning "fluid" or "flexible," this is often a more positive or neutral way to describe instability. It suggests that plans haven't been finalized yet. Example: '일정은 유동적입니다' (The schedule is fluid/subject to change).

Comparing 불안정적이다 with 안정적이다 (to be stable) is also helpful. They are direct opposites. If a business is '안정적이다', it has steady growth and no debt. If it is '불안정적이다', its future is uncertain. In chemistry, a stable element is '안정적', while a radioactive one might be '불안정적'. When choosing between these words, consider whether you want to emphasize the danger (위태롭다), the changeability (변덕스럽다), or the simple lack of a fixed state (불안정적이다).

"이 의자는 불안정적이지만, 저 의자는 아주 안정적이에요." (This chair is unstable, but that chair is very stable.)

How Formal Is It?

Wusstest du?

The root '안정' (安定) is the same 'An-jeong' used in many Korean names, symbolizing a wish for a stable and peaceful life.

Aussprachehilfe

UK bul-an-jeong-jeok-i-da

US bul-an-jʌŋ-dʒʌk-i-da

In Korean, stress is generally even across syllables, but a slight emphasis may fall on the first syllable '불'.

Schwierigkeitsgrad

Lesen 3/5

The word is long but follows standard Hanja patterns which makes it recognizable.

Schreiben 4/5

Requires correct conjugation of the '-이다' ending and modification rules.

Sprechen 3/5

Pronunciation is straightforward but requires practice due to length.

Hören 3/5

Common in news and formal speech, easy to pick out once known.

Was du als Nächstes lernen solltest

Voraussetzungen

안정 (Stability) 이다 (To be) 불 (Not - prefix) 적 (Suffix)

Als Nächstes lernen

위태롭다 (Precarious) 불안하다 (Anxious) 안정적이다 (Stable)

Fortgeschritten

유동성 (Liquidity) 변동성 (Volatility) 취약성 (Vulnerability)

Wichtige Grammatik

-적 (Suffix)

경제적 (economic), 사회적 (social), 불안정적 (unstable).

-이다 (Copula)

학생이다, 불안정적이다.

-적인 (Noun Modifier)

불안정적인 상태.

-적으로 (Adverbial Suffix)

불안정적으로 움직이다.

불- (Negative Prefix)

불가능 (impossible), 불친절 (unfriendly).

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Beispiele nach Niveau

이 의자는 불안정적이에요.

This chair is unstable.

Simple polite present tense (-이에요).

책상이 불안정적이다.

The desk is unstable.

Plain form (-다) used in writing or self-talk.

장난감이 불안정적이에요.

The toy is unstable.

Subject + Adjective structure.

그것은 불안정적이에요.

That is unstable.

Using '그것' (that thing) as a subject.

사다리가 불안정적입니다.

The ladder is unstable.

Formal polite form (-입니다).

컵이 불안정적이에요.

The cup is unstable.

Describing physical balance.

박스가 불안정적이다.

The box is unstable.

Basic descriptive sentence.

침대가 불안정적이에요.

The bed is unstable.

Using the adjective to describe household items.

인터넷이 불안정적이에요.

The internet is unstable.

Common daily life usage.

날씨가 불안정적이에요.

The weather is unstable.

Describing environmental conditions.

불안정적인 의자에 앉지 마세요.

Don't sit on the unstable chair.

Noun modifying form (-적인) + Imperative (-지 마세요).

오늘 기분이 불안정적이에요.

My mood is unstable today.

Describing internal states/moods.

자전거가 불안정적이라서 무서워요.

The bicycle is unstable, so I'm scared.

Reason connector (-이라서).

신호등이 불안정적이에요.

The traffic light is unstable (flickering).

Describing malfunctioning equipment.

그의 목소리가 불안정적이다.

His voice is unstable.

Describing a physical quality of sound.

불안정적인 상태예요.

It is in an unstable state.

Noun modifying form + Noun + Copula.

제 직업은 조금 불안정적이에요.

My job is a bit unstable.

Discussing career and economy.

불안정적인 수입 때문에 걱정이에요.

I'm worried because of my unstable income.

Noun modifying form in a 'because of' phrase.

경제가 불안정적이라서 투자를 안 해요.

The economy is unstable, so I don't invest.

Logical cause and effect.

이 약은 화학적으로 불안정적입니다.

This medicine is chemically unstable.

Using an adverb (화학적으로) to specify the type of instability.

두 사람의 관계는 항상 불안정적이었다.

The relationship between the two was always unstable.

Past tense (-이었다).

시스템이 불안정적일 때는 다시 시작하세요.

When the system is unstable, please restart.

Time connector (-을 때).

불안정적인 전력 공급이 문제입니다.

Unstable power supply is the problem.

Subject phrase using a modified noun.

그 나라는 정치적으로 매우 불안정적이다.

That country is very unstable politically.

Adverb + Adjective structure.

불안정적인 고용 구조를 개선해야 합니다.

We must improve the unstable employment structure.

Formal 'must' construction (-해야 합니다).

환율이 불안정적이면 수출에 지장이 있다.

If the exchange rate is unstable, it affects exports.

Conditional connector (-면).

그의 심리는 매우 불안정적인 상태로 보였다.

His psychology seemed to be in a very unstable state.

Compound descriptive phrase.

불안정적으로 쌓인 돌들이 곧 무너질 것 같다.

The unstably piled stones look like they will collapse soon.

Adverbial form (-적으로) + Guessing (-을 것 같다).

주거 환경이 불안정적이면 아이들에게 좋지 않다.

If the housing environment is unstable, it's not good for children.

Social context usage.

이 지역은 지반이 불안정적이라서 건축이 어렵다.

Construction is difficult in this area because the ground is unstable.

Technical/Geological context.

감정이 불안정적일 때 중요한 결정을 하지 마세요.

Don't make important decisions when your emotions are unstable.

Psychological advice.

불안정적인 전압은 가전제품을 고장 낼 수 있다.

Unstable voltage can break home appliances.

Potentiality (-수 있다).

방사성 원소는 핵이 불안정적이기 때문에 붕괴한다.

Radioactive elements decay because their nuclei are unstable.

Scientific causal explanation (-기 때문에).

불안정적인 국제 유가는 세계 경제의 변수이다.

Unstable international oil prices are a variable in the global economy.

Advanced economic terminology.

이 이론은 몇 가지 불안정적인 가정을 바탕으로 한다.

This theory is based on several unstable assumptions.

Academic critique.

불안정적인 대기 층이 강력한 태풍을 형성했다.

The unstable atmospheric layers formed a powerful typhoon.

Meteorological analysis.

사회적 안전망이 없으면 서민의 삶은 불안정적일 수밖에 없다.

Without a social safety net, the lives of ordinary people cannot help but be unstable.

Double negative for emphasis (-을 수밖에 없다).

그 화합물은 상온에서 매우 불안정적인 특성을 보인다.

The compound shows very unstable characteristics at room temperature.

Formal scientific description.

불안정적인 심리 상태가 범행의 동기가 되었을 가능성이 크다.

It is highly possible that an unstable psychological state became the motive for the crime.

Legal/Forensic context.

현대 사회의 불안정적인 가치관은 혼란을 야기한다.

The unstable values of modern society cause confusion.

Sociological discourse.

불안정적인 평화는 진정한 평화라고 할 수 없다.

Unstable peace cannot be called true peace.

Philosophical/Political assertion.

실존주의 철학은 인간의 존재를 본질적으로 불안정적인 것으로 본다.

Existentialist philosophy views human existence as inherently unstable.

High-level philosophical discussion.

작가는 불안정적인 문체로 주인공의 혼란을 효과적으로 묘사했다.

The author effectively depicted the protagonist's confusion with an unstable prose style.

Literary criticism.

불안정적인 권력 구조는 필연적으로 내부 갈등을 동반한다.

An unstable power structure inevitably accompanies internal conflict.

Political science analysis.

양자 역학의 세계는 거시 세계와 달리 근본적으로 불안정적이다.

The world of quantum mechanics, unlike the macro world, is fundamentally unstable.

Theoretical physics context.

불안정적인 자아 정체성은 현대인의 고질적인 문제 중 하나이다.

Unstable self-identity is one of the chronic problems of modern people.

Psychological/Sociological critique.

그 정책의 불안정적인 실행은 국민들의 불신을 샀다.

The unstable implementation of that policy earned the distrust of the citizens.

Public administration critique.

불안정적인 미학은 완벽함보다는 변화와 과정에 가치를 둔다.

Unstable aesthetics values change and process over perfection.

Art theory discussion.

Häufige Kollokationen

불안정적인 자세

경제적으로 불안정적이다

심리적으로 불안정적이다

불안정적인 공급

인터넷 연결이 불안정적이다

불안정적인 궤도

정치적 상황이 불안정적이다

불안정적인 수입

불안정적인 대기

불안정적인 구조

Häufige Phrasen

불안정적인 미래

— An uncertain or insecure future. Used when talking about life choices.

불안정적인 미래 때문에 공무원 시험을 준비해요.

정서적으로 불안정적이다

— To be emotionally unstable. Used in psychology or medical contexts.

그 아이는 정서적으로 불안정적인 상태입니다.

고용이 불안정적이다

— Employment is unstable. Used to discuss temporary or contract work.

비정규직은 고용이 불안정적이라는 단점이 있다.

시스템이 불안정적이다

— The system is unstable. Used for computers or organizational structures.

업데이트 이후 시스템이 불안정적이다.

불안정적인 흐름

— An unstable flow or trend. Used in stock markets or fluid dynamics.

주식 시장이 불안정적인 흐름을 보이고 있다.

불안정적인 결합

— An unstable bond. Used in chemistry or metaphors for relationships.

이 분자는 매우 불안정적인 결합을 하고 있다.

불안정적인 위치

— An unstable position. Can be physical or social (job status).

그는 현재 회사 내에서 불안정적인 위치에 있다.

불안정적인 기반

— An unstable foundation. Used for buildings or arguments.

그 이론은 불안정적인 기반 위에 세워졌다.

불안정적인 주거

— Unstable housing. Used when someone moves often or lacks a home.

많은 청년들이 불안정적인 주거 환경에 처해 있다.

불안정적인 평형

— Unstable equilibrium. A technical term in physics or economics.

이 물체는 불안정적인 평형 상태에 있다.

Wird oft verwechselt mit

불안정적이다 vs 불안하다

Refers to a person's feeling of anxiety. '불안정적이다' refers to an objective state of instability.

불안정적이다 vs 부정적이다

Means 'to be negative.' Often confused because of the '불/부' prefix and '-적이다' ending.

불안정적이다 vs 불완전하다

Means 'to be incomplete.' Something can be unstable but complete, or incomplete but stable.

Redewendungen & Ausdrücke

"바람 앞의 등불"

— Like a lamp in front of the wind. Describes an extremely unstable and precarious situation.

회사의 운명이 바람 앞의 등불처럼 불안정적이다.

Literary/Idiomatic

"얼음판 위를 걷다"

— Walking on thin ice. Describes a situation that is dangerously unstable.

그들의 관계는 마치 얼음판 위를 걷는 것처럼 불안정적이다.

Common

"모래 위에 세운 성"

— A castle built on sand. Something with an unstable foundation that will easily collapse.

기초 없는 공부는 모래 위에 세운 성처럼 불안정적이다.

Proverbial

"풍전등화"

— A candle in the wind (Hanja version). Very precarious and unstable.

국가의 안보가 풍전등화의 위기에 처해 불안정적이다.

Formal/Hanja

"갈팡질팡하다"

— To be at a loss/waver. Describes the behavior caused by an unstable state.

마음이 불안정적이라 갈팡질팡하고 있어요.

Colloquial

"위태위태하다"

— To be very precarious. A repetitive form of '위태롭다'.

쌓아 올린 책들이 위태위태하고 불안정적이다.

Common

"뿌리 깊지 않은 나무"

— A tree without deep roots. Describes something easily swayed and unstable.

뿌리 깊지 않은 나무처럼 그의 신념은 불안정적이다.

Poetic

"살얼음판"

— Thin ice. Used as a noun to describe an unstable situation.

회의장 분위기가 살얼음판처럼 불안정적이었다.

Common

"누란지위"

— The danger of piled-up eggs. An idiom for an extremely unstable situation.

지금 상황은 누란지위처럼 매우 불안정적입니다.

Archaic/Formal

"종이 한 장 차이"

— A paper-thin difference. Often used when stability and instability are very close.

성공과 실패는 종이 한 장 차이로 불안정적이다.

Common

Leicht verwechselbar

불안정적이다 vs 불안하다

Similar sound and shared root word for 'anxiety/peace'.

불안하다 is a subjective feeling (I feel anxious). 불안정적이다 is an objective state (The chair is unstable).

나는 내일 시험 때문에 불안해요. (I am anxious about tomorrow's exam.)

불안정적이다 vs 불안정하다

Almost identical meaning.

불안정하다 is more common and less formal. 불안정적이다 sounds more like a categorical description.

마음이 불안정하다. (My mind is unstable.)

불안정적이다 vs 위태롭다

Both mean not stable.

위태롭다 implies a high risk of immediate danger or collapse. 불안정적이다 is a general lack of balance.

절벽 끝에 서 있는 것은 위태롭다. (Standing on the edge of a cliff is precarious.)

불안정적이다 vs 어지럽다

Can describe a messy/unstable situation.

어지럽다 means 'dizzy' or 'messy/disordered.'

머리가 어지러워요. (I feel dizzy.)

불안정적이다 vs 흔들리다

Physical action of instability.

흔들리다 is a verb (to shake). 불안정적이다 is an adjective (to be unstable).

지진 때문에 집이 흔들려요. (The house is shaking because of the earthquake.)

Satzmuster

[Noun]이/가 불안정적이에요.

의자가 불안정적이에요.

불안정적인 [Noun]

불안정적인 날씨

[Noun]이/가 불안정적이라서 [Result]

수입이 불안정적이라서 걱정이에요.

[Noun]은/는 [Adverb] 불안정적이다.

정세는 매우 불안정적이다.

불안정적인 [Noun]을/를 바탕으로 하다.

불안정적인 가정을 바탕으로 하다.

불안정적인 [Abstract Noun]의 본질

불안정적인 자아의 본질

Wortfamilie

Substantive

불안정 (Instability)

안정 (Stability)

안정성 (Steadiness)

Verben

안정시키다 (To stabilize)

안정되다 (To become stable)

Adjektive

불안정하다 (Unstable)

안정적이다 (Stable)

Verwandt

불안 (Anxiety)

위험 (Danger)

변화 (Change)

고정 (Fixed)

균형 (Balance)

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So verwendest du es

frequency

High in news, medium-high in daily life.

Häufige Fehler

저는 불안정적이에요 (when meaning 'I am anxious'). → 저는 불안해요.
Using '불안정적이다' for a person's temporary feeling of anxiety is wrong. It implies you are an unstable person in character or life status.
불안정적 날씨 → 불안정적인 날씨
You must use the '-적인' form to modify a noun.
인터넷이 불안정적예요. → 인터넷이 불안정적이에요.
Because '적' ends in a consonant, you must use '이에요', not '예요'.
경제가 불안정해요서... → 경제가 불안정해서 / 불안정적이라서...
The 'because' connector for '-이다' is '-이라서'. For '불안정하다', it is '-해서'. Don't mix them up.
불안정적이다 직업 → 불안정적인 직업
You cannot use the dictionary form directly before a noun.

Tipps

Don't forget the '이'

Because it ends in a consonant (적), you must use '이에요' for the polite form, not '예요'. Say '불안정적이에요'.

Learn with '안정적이다'

It is much easier to remember if you learn the opposite at the same time. '안정' is stable, '불안정' is unstable.

News Watch

Try to listen for this word during Korean news segments about the economy. It is one of the most frequently used adjectives there.

Feelings vs State

Always double-check: am I describing a feeling? (Use 불안하다). Am I describing a thing or situation? (Use 불안정적이다).

Watch the Hanja

The '불' (不) at the start is a common marker for negative words. Recognizing this will help you guess the meaning of other words like '불가능' (impossible).

The 'Jeok' Sound

Make sure the 'k' sound at the end of '적' is a 'stop' sound. Don't release a puff of air like in 'kick'.

Formal Writing

In essays, use the form '불안정적임을' to say 'the fact that it is unstable'. It makes your writing sound very advanced.

Job Stability

When talking about jobs in Korea, '안정적' is the gold standard. '불안정적' is something most people try to avoid.

The Shaky Table

Every time you see a wobbly table in a cafe, think '불안정적이다' to lock the word in your memory.

Adverbial Use

Try using '불안정적으로' with verbs like '공급되다' (to be supplied) or '운영되다' (to be operated).

Einprägen

Eselsbrücke

Think of a 'Bull' (불) in a China shop. It is 'Unstable' and not 'Settled' (안정).

Visuelle Assoziation

Imagine a tall tower of Jenga blocks that is leaning heavily to one side. That state is '불안정적이다'.

Word Web

Unstable Insecure Wobbly Volatile Shaky Precarious Flickering Erratic

Herausforderung

Try to find three things in your house that are '불안정적이다' and describe them in Korean to a friend.

Wortherkunft

Composed of Hanja roots: 不 (불 - not) + 安 (안 - peaceful/comfortable) + 定 (정 - fixed/settled) + 的 (적 - suffix for nature/quality) + 이다 (copula).

Ursprüngliche Bedeutung: The original meaning is 'the nature of not being peacefully settled.'

Sino-Korean (Hanja-based vocabulary).

Kultureller Kontext

Be careful when calling a person '불안정적이다' as it can sound like a clinical diagnosis of a mental health issue.

In English, 'unstable' can sometimes have a cool 'rockstar' or 'edgy' vibe (e.g., an unstable genius), but in Korean, '불안정적이다' is almost always seen as a negative problem to be fixed.

Economic reports regarding the '불안정적인 유가' (unstable oil prices) are daily occurrences. K-Dramas often use '정서적 불안정' (emotional instability) as a character flaw for villains. The phrase '불안정적인 청춘' (unstable youth) is a common theme in modern Korean literature.

Im Alltag üben

Kontexte aus dem Alltag

IT Support

서버가 불안정적입니다.
네트워크가 불안정적이에요.
시스템이 불안정적이라 로그인이 안 돼요.
불안정적인 연결을 확인해 보세요.

Economy

주가가 불안정적이다.
환율이 불안정적이에요.
불안정적인 경제 지표.
물가가 불안정적으로 변하고 있다.

Home/DIY

다리가 불안정적이에요.
못이 불안정적으로 박혔어요.
선반이 불안정적이라 물건을 못 올려요.
바닥이 불안정적입니다.

Psychology

정서적으로 불안정적이다.
심리 상태가 불안정적이에요.
불안정적인 애착 관계.
기분이 불안정적으로 변해요.

Weather

대기가 불안정적입니다.
기압이 불안정적이에요.
불안정적인 기후 변화.
날씨가 불안정적이라 우산을 챙기세요.

Gesprächseinstiege

"요즘 인터넷 연결이 좀 불안정적이지 않나요?"

"회사 분위기가 요즘 좀 불안정적인 것 같아요."

"불안정적인 직업에 대해 어떻게 생각하세요?"

"날씨가 너무 불안정적이라 여행 계획을 못 세우겠어요."

"이 테이블 좀 불안정적인 것 같은데 다른 데 앉을까요?"

Tagebuch-Impulse

내 삶에서 가장 불안정적이라고 느끼는 부분은 무엇인가요?

불안정적인 상황을 만났을 때 어떻게 대처하나요?

최근에 인터넷이나 기계가 불안정적이라서 겪었던 불편함을 써보세요.

안정적인 삶과 불안정하지만 도전적인 삶 중 무엇을 선호하나요?

우리 사회에서 가장 불안정적인 문제는 무엇이라고 생각하나요?

Häufig gestellte Fragen

10 Fragen

Yes, but be careful. If you say a person is '불안정적이다', it usually means their personality, mental state, or lifestyle is unstable. For example, '그는 정서적으로 불안정적이다' (He is emotionally unstable). If you just want to say someone is nervous right now, use '불안하다'.

They are very similar. '불안정하다' is the standard adjective. '불안정적이다' uses the suffix '-적' which makes it sound more like a property or a formal classification. In most daily conversations, '불안정하다' is more common, while '불안정적이다' appears more in news or writing.

You can say '불안정적인 인터넷' or '인터넷이 불안정해요'. Both are perfectly natural. '인터넷 연결이 불안정적이에요' is also very common in technical support contexts.

Almost always, yes. In Korean culture, stability is highly valued, so being 'unstable' is usually seen as a problem or a risk. However, in scientific contexts, it is just a neutral description of a state (like an unstable isotope).

You change '-이다' to '-이었다' (or '-였다' if the preceding word ended in a vowel, but '-적' ends in a consonant). So it is '불안정적이었다'. Example: '어제는 인터넷이 불안정적이었다' (The internet was unstable yesterday).

Yes, '대기가 불안정적이다' (The atmosphere is unstable) is a very common phrase used by weather forecasters to predict rain or storms.

The direct opposite is '안정적이다' (to be stable). You can also use '견고하다' (sturdy) or '확실하다' (certain) depending on the context.

Add '-으로' to the '-적' part. So it becomes '불안정적으로'. Example: '그는 불안정적으로 걷고 있다' (He is walking unstably).

Very often. You will hear about '불안정적인 시장' (unstable market) or '불안정적인 고용' (unstable employment) in business meetings and news.

If you remove '적', the word becomes '불안정', which is a noun meaning 'instability'. You need either '하다' or '적이다' to make it an adjective.

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