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고가이다

A2 adjective #6,000 よく出る 9分で読める

고가이다

上位6,000

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解説 고가이다 in your Level:

At the A1 level, you usually learn the word '비싸다' (bissada) for 'expensive.' '고가이다' is a more advanced way to say the same thing. Think of it like the difference between saying 'it costs a lot' and 'it is high-priced.' At this stage, you don't need to use '고가이다' in your own speaking, but you might see it on price tags in fancy stores or in simple news headlines. It is made of two parts: '고가' (high price) and '이다' (to be). Just remember that it is a very polite and formal word. If you see it, just think: 'This is a fancy way of saying it's expensive.' You will mostly see it in the form '고가입니다' or '고가예요.' It's good to recognize it so you aren't confused when you see it in a department store.

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At the A2 level, you are starting to learn more formal and Hanja-based words. '고가이다' is a perfect example of this. It is used to describe things that have a 'high price tag' (高價). You should start noticing that this word is used for big things like cars, houses, or luxury watches, rather than small things like snacks or pens. In sentences, it often looks like '이 가방은 고가입니다' (This bag is high-priced). You might also see it used to describe a whole group of things, like '고가 제품' (high-priced products). At this level, try to use '고가이다' when you are writing a formal essay or practicing a business dialogue. It makes your Korean sound more professional than just using '비싸다' all the time. It's a great way to show you understand different levels of formality.

For B1 learners, '고가이다' becomes a key vocabulary item for discussing the economy, shopping, and social status. You should be able to distinguish between '비싸다' (subjective feeling of high cost) and '고가이다' (objective categorization of high price). For example, a B1 learner should understand that a news reporter uses '고가이다' to maintain a neutral tone. You will also encounter this word in more complex grammar structures, like '고가임에도 불구하고' (despite being high-priced) or '고가인 것으로 알려졌다' (is known to be high-priced). You should also start learning related terms like '저가' (low price) and '중가' (middle price). This word is very common in reading comprehension passages about consumer behavior or the housing market in Korea.

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At the B2 level, you should have a firm grasp of the nuances of '고가이다.' You should be able to use it fluently in discussions about market trends, luxury branding, and economic policy. You'll notice it's often paired with adverbs like '상당히' (considerably), '매우' (very), or '지나치게' (excessively) to express specific viewpoints. At this level, you should also understand the cultural context—why certain items are '고가' in Korea and how that affects consumer psychology. You might use this word in a presentation about business strategies, comparing '고가 전략' (high-price strategy) with other models. You should also be comfortable with the noun form '고가' being used as a modifier, such as in '고가 브랜드' (high-priced brand) or '고가 장비' (high-priced equipment).

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C1 learners should be able to use '고가이다' with precision in academic and professional writing. You should understand its place in a broader network of economic terminology. For instance, you might contrast '고가이다' with '고부가가치이다' (high value-added) or '고비용' (high cost). In C1 level literature or high-level journalism, '고가이다' might be used to critique social inequality or the 'luxury fever' in modern society. You should also be aware of how the word is used in legal and technical contexts, such as in insurance appraisals or real estate valuations. At this stage, your usage should be indistinguishable from a native speaker's, knowing exactly when '비싸다' is too casual and when '고가이다' is the only appropriate choice to maintain the required register.

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At the C2 level, '고가이다' is a foundational word that you can use to build complex arguments. You might analyze the semiotics of '고가' items in contemporary Korean culture or discuss the historical evolution of price-related vocabulary from native Korean to Hanja-based terms. You should be able to navigate the most subtle distinctions, such as when to use '고가이다' versus '고액이다' or '고가치이다.' A C2 learner can use this word in a philosophical debate about the nature of value versus price. You should also be able to recognize and use it in highly formal settings, such as government reports or high-level diplomatic communication. Your understanding of the word includes its Hanja roots and its resonance across different sectors of Korean society, from the fashion world to the stock market.

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練習する例文メモとヒント

고가이다 30秒で

고가이다 is a formal Korean expression meaning 'to be high-priced,' typically used for luxury goods and expensive assets.
It combines the Hanja roots for 'high' (高) and 'price' (價) with the copula 'to be' (이다).
Unlike the common word '비싸다,' 고가이다 is used in professional contexts like news, business, and real estate.
It functions as a predicative adjective and is often modified by formal adverbs like '상당히' or '매우'.

The term 고가이다 (Goga-ida) is a formal and descriptive expression in the Korean language used to characterize items, services, or assets that carry a high monetary value. Derived from the Hanja characters 高 (고 - high) and 價 (가 - price), combined with the copula 이다 (to be), it literally translates to 'to be of a high price.' While the more common adjective 비싸다 (bissada) is used in everyday conversation to mean 'expensive,' 고가이다 is predominantly found in professional, journalistic, or commercial contexts where a more objective or sophisticated tone is required. For instance, you will frequently encounter this word in news reports discussing the real estate market, luxury brand marketing materials, or technical specifications for high-end electronics. It suggests not just a high cost, but often implies a certain level of quality, prestige, or premium status associated with the price tag.

Formal Context: Used in news reports, business presentations, and official documents to describe assets or products.
Economic Nuance: Refers to market positioning and the objective value of an item rather than a personal feeling of it being 'pricey'.

Understanding the distinction between 고가이다 and 비싸다 is crucial for reaching intermediate proficiency. While you might say a cup of coffee is 비싸다 because it costs more than expected, you would describe a luxury penthouse or a rare diamond as 고가이다 in a formal setting. This word elevates the conversation, signaling that the speaker is discussing items of significant financial weight. In the modern Korean consumer landscape, this term is often linked to the 'Premium' (프리미엄) trend, where consumers are willing to pay more for perceived status and superior functionality.

이 시계는 한정판이라서 매우 고가이다.

Furthermore, 고가이다 is often used in the context of 'high-priced policies' (고가 정책) or 'high-priced products' (고가 제품). It acts as a classifier in the mind of the speaker, placing the subject into a specific economic bracket. When analyzing the word's usage over the last decade, it has seen a surge in lifestyle magazines and financial blogs, reflecting the growing gap in the consumer market between discount goods and high-end luxury. To use this word correctly, one must consider the audience; using it in a casual chat with friends might sound overly stiff or pretentious, whereas failing to use it in a business report might make the writing seem too colloquial.

강남의 아파트는 대부분 고가이다.

Grammatically, 고가이다 functions as a predicative adjective formed by a noun and the copula. Because it is rooted in Hanja, it follows the patterns of other 'Noun + 이다' constructions. In written form, particularly in news articles or academic papers, you will see it as 고가이다 (plain form) or 고가입니다 (formal polite). In slightly less formal but still professional settings, 고가예요 is used. It is rarely used in the intimate 고가야 form because the word itself is inherently formal. When modifying a noun, it changes to 고가인 (e.g., 고가인 제품 - a product that is high-priced).

Subject Marking: Usually preceded by subjects marked with '이/가' or '은/는' to identify the expensive item.
Adverbial Modification: Often modified by adverbs like '매우' (very), '상당히' (considerably), or '지나치게' (excessively).

One interesting aspect of 고가이다 is how it interacts with different sentence endings to convey varying degrees of certainty or reporting. For example, 고가인 것으로 나타났다 (It appeared to be high-priced) is a classic journalistic phrase. Using the word requires an understanding of the social hierarchy of Korean vocabulary. If you are describing a gift you received, saying it is 고가이다 emphasizes its value and your gratitude, or perhaps the burden of the gift. However, in a consumer complaint, saying a service is 지나치게 고가이다 (is excessively high-priced) sounds more authoritative and reasoned than simply saying it's too expensive.

이 장비는 전문적인 용도로 사용되며 가격이 매우 고가이다.

When learning to construct sentences, pay attention to the particles. While 가격이 고가이다 (The price is a high price) is technically redundant in English translation, it is a common and acceptable structure in Korean to emphasize the 'price' aspect. Alternatively, 이 물건은 고가이다 (This item is high-priced) is the most direct usage. In complex sentences, 고가이다 often pairs with '에도 불구하고' (despite being...) to highlight a contrast, such as 고가임에도 불구하고 인기가 많다 (Despite being high-priced, it is very popular). This specific construction is a staple in market analysis reports.

수입 자동차는 유지비와 부품 가격이 고가이다.

If you spend any time watching Korean news or reading business papers like the Maeil Business Newspaper, you will hear and see 고가이다 constantly. It is the standard term for discussing inflation, luxury goods consumption, and real estate trends. In a typical 9 PM news segment, a reporter might say, '최근 서울의 아파트 매매가가 역대 최고 수준의 고가이다' (Recently, the sale price of apartments in Seoul is at an all-time high-priced level). This usage provides a sense of gravity and objective reporting. You will also hear it in high-end department stores like Shinsegae or Lotte, where staff might describe certain collections as '고가 라인' (high-priced line) to distinguish them from standard merchandise.

News & Media: Used to describe economic indicators, stock values of luxury companies, and real estate bubbles.
Luxury Retail: Used by sales associates to justify the quality and exclusivity of premium items.

Another common setting is in tech reviews. When a YouTuber reviews the latest iPhone or a high-end camera, they might remark that while the performance is excellent, the price is 상당히 고가이다. This signals to the audience that the product is an investment and might not be for everyone. In the legal and insurance industries, 고가이다 is used to determine coverage and premiums. An insurance agent might explain that because a vehicle is 고가이다, the monthly premium will be higher. This word is essential for anyone living in Korea who needs to navigate financial transactions or understand the socio-economic discourse.

백화점 1층에 있는 브랜드들은 대부분 제품이 고가이다.

Finally, you might hear this in documentaries or educational programs discussing art and history. A narrator might describe a Joseon-era white porcelain jar as being 매우 고가이다 in today's auction market. In these instances, the word bridges the gap between 'expensive' and 'valuable.' It frames the object's worth in a way that respects its cultural and historical significance. By learning this word, you are not just learning a synonym for 'expensive,' but you are gaining access to a more sophisticated level of Korean society where value is discussed with precision and formality.

이 미술품은 경매에서 고가이다 못해 가격을 매길 수 없을 정도이다.

The most frequent mistake learners make with 고가이다 is using it in inappropriate social settings. Because it is a formal, Hanja-based word, using it while shopping for groceries or chatting with friends can make you sound like a news anchor or a textbook. For example, if you see a expensive apple at a local market, saying 이 사과는 고가이다 would sound very strange; 이 사과 진짜 비싸다 is much more natural. Another mistake is forgetting the '이다' part. Unlike pure Korean adjectives like 비싸다, 고가 is a noun that requires the copula to function as a predicate. You cannot just say 이것은 고가 without the 이다 or another verb.

Register Mismatch: Using '고가이다' for small, everyday items where '비싸다' is expected.
Grammar Error: Treating '고가' as an adjective and trying to conjugate it like '고가다' (incorrect) instead of '고가이다'.

Learners also sometimes confuse 고가이다 with 고가도로 (elevated road), which uses the same '고가' (高架) but with a different Hanja meaning 'high structure.' While context usually prevents confusion, it is a funny pitfall for beginners. Additionally, be careful with the word 고가 in the sense of 'old house' (古家). Always ensure the context is about price (高價). Another nuance is the difference between 고가이다 and 고액이다. 고액이다 (high amount) is specifically used for sums of money, like salaries or taxes, whereas 고가이다 is used for the price of objects.

틀린 예: 이 껌은 고가이다. (너무 격식적임)
옳은 예: 이 껌은 비싸다.

Finally, avoid over-modifying it. Since 고가이다 already contains the meaning of 'high,' adding 높은 (high) before it—as in 높은 고가이다—is redundant and incorrect. It is like saying 'high high-price.' Instead, use adverbs like 매우 or 상당히. Paying attention to these subtle distinctions will help you sound more like a native speaker and less like a translation program. Understanding the 'feel' of the word is just as important as knowing its definition.

틀린 예: 그 제품은 가격이 고가다. (이다 생략 불가)
옳은 예: 그 제품은 가격이 고가이다.

To broaden your vocabulary, it is helpful to compare 고가이다 with its synonyms and related terms. The most obvious alternative is 비싸다, which is the general-purpose word for 'expensive.' While 고가이다 is formal, 비싸다 is versatile. Another similar term is 값비싸다, which is an emphatic version of 비싸다, often used in literature or to describe things that are 'precious' or 'costly' in a more emotional sense. In business, you might also see 고부가가치이다 (to be high value-added), which refers to products that generate a lot of profit relative to their cost.

비싸다 vs 고가이다: '비싸다' is subjective and casual; '고가이다' is objective and formal.
고액이다 vs 고가이다: '고액이다' refers to the amount of money (bills, taxes); '고가이다' refers to the price of a specific item.
프리미엄이다: A modern loanword meaning 'to be premium,' often used interchangeably with '고가이다' in marketing.

On the opposite end of the spectrum, we have 저가이다 (to be low-priced) and 저렴하다 (to be inexpensive/affordable). 저가이다 is the direct formal antonym of 고가이다. You will see these two paired together in market comparisons, such as '고가 전략과 저가 전략' (high-price strategy and low-price strategy). Another related term is 명품이다 (to be a masterpiece/luxury item). While an item that is 고가이다 isn't always a 명품, most 명품 are definitely 고가. Understanding these relationships helps you navigate Korean consumer culture and choose the right word for the right situation.

이 서비스는 고가이지만, 그만큼 품질이 보장된다.

Finally, consider the word 부담스럽다 (to be burdensome). Often, Koreans will say a price is 부담스럽다 instead of bluntly saying it is 고가이다 or 비싸다 to be more polite or to express that they personally cannot afford it. However, in a professional report, 고가이다 remains the gold standard. By mastering these synonyms and alternatives, you can express complex economic ideas with the nuance of a native speaker. Whether you are describing a luxury car or a high-end software package, choosing 고가이다 adds a layer of professionalism to your Korean.

시중의 다른 제품들에 비해 이 모델은 상당히 고가이다.

How Formal Is It?

豆知識

The Hanja '價' (price) also appears in '가치' (value) and '평가' (evaluation), showing the deep link between price and assessment in Korean culture.

発音ガイド

UK /ɡo.ɡa.i.da/

US /ɡoʊ.ɡɑ.i.dɑ/

The primary stress is on the first syllable '고' (Go).

韻が合う語

초가이다 (Choga-ida) 국가이다 (Gukka-ida) 상가이다 (Sangga-ida) 대가이다 (Daega-ida) 원가이다 (Wonga-ida) 저가이다 (Jeoga-ida) 지가이다 (Jiga-ida) 물가이다 (Mulga-ida)

よくある間違い

Pronouncing '고' like '구' (Gu).
Skipping the '이' (i) sound and saying '고가다'.
Over-emphasizing the '가' (ga).

難易度

読解 3/5

Easy to recognize in context once you know the Hanja.

ライティング 4/5

Requires understanding of the 'Noun + 이다' conjugation.

スピーキング 4/5

Hard to use naturally without sounding too formal.

リスニング 3/5

Common in news and professional speech.

次に学ぶべきこと

前提知識

비싸다 가격 돈 물건 이다

次に学ぶ

저렴하다 저가 가치 품질 경제

上級

고부가가치 인플레이션 자산 과시적 소비 금리

知っておくべき文法

Noun + 이다 (Copula)

이것은 고가이다.

Adjective modifying form (-ㄴ/은)

고가인 물건

Reason connective (-아서/어서)

고가여서 못 샀다.

Contrastive connective (-지만)

고가이지만 좋다.

Possessive particle (-의)

고가의 시계

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レベル別の例文

이 시계는 고가입니다.

This watch is high-priced.

Simple formal sentence using the -입니다 ending.

그 가방은 매우 고가예요.

That bag is very high-priced.

Uses the polite -예요 ending.

고가 제품은 품질이 좋아요.

High-priced products have good quality.

고가 is used here to modify the noun 제품.

이것은 고가입니까?

Is this high-priced?

Question form of the formal ending.

저 차는 정말 고가예요.

That car is really high-priced.

Using '정말' (really) as an adverb.

백화점 물건은 고가입니다.

Department store items are high-priced.

General statement about a location's items.

이 카메라는 고가이지만 좋아요.

This camera is high-priced but good.

Uses -지만 to connect two contrasting ideas.

고가인 선물을 받았어요.

I received a high-priced gift.

고가인 is the adjective form modifying 선물.

서울의 집값은 대부분 고가이다.

Most house prices in Seoul are high-priced.

Plain form '이다' used in a general statement.

수입 과일은 가격이 고가인 경우가 많다.

Imported fruits are often high-priced.

Using '경우가 많다' (there are many cases).

이 컴퓨터는 고가라서 조심해야 해요.

This computer is high-priced, so you must be careful.

-라서 indicates a reason or cause.

고가의 장비를 구입했습니다.

I purchased high-priced equipment.

고가의 uses the possessive particle -의.

그 보석은 세상에서 가장 고가이다.

That jewel is the most high-priced in the world.

Superlative '가장' used with 고가이다.

너무 고가인 물건은 사지 마세요.

Don't buy things that are too high-priced.

Negative imperative -지 마세요.

이 와인은 상당히 고가입니다.

This wine is considerably high-priced.

Adverb '상당히' (considerably) adds nuance.

전문가용 카메라는 보통 고가이다.

Cameras for professionals are usually high-priced.

'보통' (usually) indicates a general trend.

이 제품은 고가임에도 불구하고 인기가 많습니다.

Despite being high-priced, this product is very popular.

-임에도 불구하고 is a B1 level contrastive structure.

최근 물가 상승으로 인해 많은 식재료가 고가이다.

Due to recent inflation, many food ingredients are high-priced.

-로 인해 indicates a cause or reason in formal Korean.

고가인 만큼 품질도 뛰어날 것이라고 기대했다.

I expected the quality to be as excellent as the high price.

-ㄴ 만큼 expresses that the degree of one thing matches another.

그 아파트는 강남 지역에서도 특히 고가이다.

That apartment is particularly high-priced, even for the Gangnam area.

'특히' (especially) emphasizes the subject.

명품 가방은 브랜드 가치 때문에 고가인 경우가 많다.

Luxury bags are often high-priced because of their brand value.

Focuses on the 'reason' using -때문에.

이 수술 장비는 매우 고가여서 병원에서도 신중히 다룬다.

This surgical equipment is very high-priced, so hospitals handle it carefully.

Connective -어서 shows cause and effect.

고가이다 보니 일반 소비자들이 접근하기 어렵다.

Since it is high-priced, it is difficult for general consumers to access.

-다 보니 expresses a discovery or result of a state.

그 화가의 작품은 경매 시장에서 매우 고가이다.

The painter's works are very high-priced in the auction market.

Specific context of '경매 시장' (auction market).

정부는 고가 주택에 대해 더 높은 세금을 부과하기로 했다.

The government decided to impose higher taxes on high-priced housing.

고가 주택 is a standard term for luxury real estate.

기술력이 집약된 반도체 장비는 기본적으로 고가이다.

Semiconductor equipment, which integrates advanced technology, is basically high-priced.

Uses technical terminology like '기술력이 집약된'.

이 브랜드는 고가 전략을 통해 프리미엄 이미지를 구축했다.

This brand built a premium image through a high-price strategy.

고가 전략 (high-price strategy) is a business term.

희귀한 빈티지 자동차는 수집가들 사이에서 상당히 고가이다.

Rare vintage cars are considerably high-priced among collectors.

Context of '수집가' (collectors).

그 소프트웨어는 기업용이라서 라이선스 비용이 고가이다.

The software is for enterprise use, so the license fee is high-priced.

Focuses on '라이선스 비용' (license fee).

고가인 제품일수록 사후 서비스(AS)가 중요해진다.

The more high-priced a product is, the more important after-sales service becomes.

-ㄹ수록 indicates 'the more... the more...'.

최근 출시된 폴더블 스마트폰은 기존 모델보다 고가이다.

Recently released foldable smartphones are higher-priced than previous models.

Comparative structure using -보다.

이 원단은 천연 실크로 만들어져서 매우 고가이다.

This fabric is made of natural silk, so it is very high-priced.

Passive construction '만들어져서'.

해당 유물은 역사적 가치가 높아 금전적으로도 매우 고가이다.

The relic has high historical value and is thus financially very high-priced.

Distinguishes between 'historical value' and 'financial price'.

고가인 자산을 취득할 때는 자금 출처를 명확히 밝혀야 한다.

When acquiring high-priced assets, the source of funds must be clearly disclosed.

Formal legal/financial context.

그 연구소의 실험 장비는 워낙 고가이다 보니 보험료도 만만치 않다.

The laboratory's experimental equipment is so high-priced that the insurance premiums are also substantial.

Uses '워낙' (so much/originally) for emphasis.

시장 지배력이 큰 기업은 고가 정책을 유지하는 경향이 있다.

Companies with significant market power tend to maintain high-price policies.

Economic analysis phrasing.

이 악기는 거장의 손길이 닿은 작품이라 가격이 상상 이상으로 고가이다.

This instrument is a work touched by a master, so the price is high beyond imagination.

Literary/poetic expression '손길이 닿은'.

고가인 서비스일수록 고객의 기대치는 기하급수적으로 높아진다.

The more high-priced a service is, the more exponentially customer expectations rise.

Adverb '기하급수적으로' (exponentially).

현대 미술 시장에서 특정 작가의 작품은 지나치게 고가라는 비판이 있다.

In the modern art market, there is criticism that certain artists' works are excessively high-priced.

Reporting criticism using '비판이 있다'.

부동산 시장이 과열되면서 평범한 아파트조차 고가가 되었다.

As the real estate market overheated, even ordinary apartments became high-priced.

Uses '조차' (even) to show an extreme case.

재화의 가격이 고가라는 사실이 반드시 그 가치의 우월성을 담보하지는 않는다.

The fact that a good's price is high does not necessarily guarantee the superiority of its value.

Philosophical/Academic tone using '담보하다' (guarantee).

고가인 사치품의 소비는 때로 과시적 소비라는 사회적 현상으로 분석된다.

The consumption of high-priced luxury goods is sometimes analyzed as a social phenomenon called conspicuous consumption.

Sociological terminology '과시적 소비' (conspicuous consumption).

첨단 의료 서비스가 지나치게 고가일 경우 의료 양극화 문제를 심화시킬 수 있다.

If high-tech medical services are excessively high-priced, it can deepen the problem of medical polarization.

Policy discussion '의료 양극화' (medical polarization).

해당 원자재는 희소성 때문에 국제 시장에서 상시로 고가이다.

The raw material in question is constantly high-priced in the international market due to its scarcity.

Global trade context '국제 시장' (international market).

기업은 고가인 핵심 인재를 영입하기 위해 파격적인 대우를 제안했다.

The company proposed unconventional treatment to recruit high-priced core talent.

Metaphorical use of '고가' for high-salary human resources.

고가인 하이엔드 오디오 시장은 소수의 마니아층에 의해 유지되고 있다.

The high-priced high-end audio market is maintained by a small group of enthusiasts.

Niche market discussion '마니아층' (enthusiasts).

정밀 공학의 산물인 이 부품은 제작 공정이 까다로워 고가일 수밖에 없다.

This part, a product of precision engineering, is inevitably high-priced due to its difficult manufacturing process.

-ㄹ 수밖에 없다 (no choice but to be...).

환경 규제 강화로 인해 친환경 에너지는 당분간 고가인 상태를 유지할 전망이다.

Due to strengthened environmental regulations, eco-friendly energy is expected to remain high-priced for the time being.

Forecasting using '전망이다'.

よく使う組み合わせ

고가 제품

고가 브랜드

고가 주택

고가 장비

지나치게 고가이다

상당히 고가이다

고가에 팔리다

고가 정책

고가 라인

고가 부품

よく使うフレーズ

고가인 것으로 나타났다

— It appeared to be high-priced. Common in news reporting.

조사 결과 해당 지역의 상가는 고가인 것으로 나타났다.

고가임에도 불구하고

— Despite being high-priced. Used to show popularity regardless of cost.

고가임에도 불구하고 품절되었습니다.

매우 고가이다

— To be very high-priced. A standard descriptive phrase.

이 다이아몬드는 매우 고가이다.

상당히 고가이다

— To be considerably high-priced. Adds a professional nuance.

수술비가 상당히 고가이다.

고가에 거래되다

— To be traded at a high price. Used for stocks or assets.

그 주식은 현재 고가에 거래되고 있다.

고가 낙찰

— High-price successful bid. Used in auctions.

그 도자기는 고가 낙찰을 기록했다.

고가 논란

— Controversy over high prices. Used in social issues.

신제품의 고가 논란이 일고 있다.

고가 위주

— Focusing on high-priced items.

가게가 고가 위주로 제품을 진열했다.

고가 형성

— Formation of high prices in a market.

신도시 주변에 고가가 형성되었다.

고가 마케팅

— High-price marketing (targeting the wealthy).

명품 시계는 고가 마케팅을 펼친다.

よく混同される語

고가이다 vs 고가도로

Means 'elevated road.' Sounds the same but different Hanja.

고가이다 vs 고가 (古家)

Means 'old house.' Different Hanja roots.

고가이다 vs 고액

Refers to a 'high amount' of money, not the price of an object.

慣用句と表現

"부르는 게 값이다"

— The price is whatever the seller asks for. Often used for extremely 고가 items.

그 희귀한 책은 부르는 게 값이라 매우 고가이다.

Informal/Idiomatic

"그림의 떡"

— A rice cake in a picture (something you can see but can't have). Often used for 고가 items.

저 고가 자동차는 나에게 그림의 떡이다.

Neutral

"금값이다"

— To be as expensive as gold. Used when prices skyrocket.

요즘 배추 가격이 금값이라 고가이다.

Informal

"등골 브레이커"

— Spine breaker (items so expensive they break parents' backs). Used for 고가 clothing for teens.

그 패딩은 고가라서 등골 브레이커라고 불린다.

Slang

"손이 떨리다"

— Hands tremble (due to the high cost).

너무 고가라서 결제할 때 손이 떨렸다.

Informal

"눈이 튀어나오다"

— Eyes pop out (at the high price).

가격을 보니 눈이 튀어나올 정도로 고가였다.

Informal

"거품이 끼다"

— To be bubbled (overpriced).

그 아파트 가격에는 거품이 껴서 지나치게 고가이다.

Neutral

"바가지를 씌우다"

— To overcharge (making something 고가 unfairly).

관광지에서 바가지를 씌워 제품이 고가이다.

Informal

"천정부지로 치솟다"

— To skyrocket to the ceiling (prices).

물가가 천정부지로 치솟아 모든 것이 고가이다.

Neutral

"돈이 아깝지 않다"

— The money isn't wasted (worth the high price).

고가이지만 품질이 좋아 돈이 아깝지 않다.

Neutral

間違えやすい

고가이다 vs 비싸다

Both mean expensive.

비싸다 is common/subjective; 고가이다 is formal/objective.

커피가 비싸다 (O) / 커피가 고가이다 (X - too formal)

고가이다 vs 고액이다

Both refer to high money.

고액 is for sums (salary, fine); 고가 is for prices of things.

벌금이 고액이다 (O) / 벌금이 고가이다 (X)

고가이다 vs 귀하다

Expensive things are often rare/precious.

귀하다 means rare/precious; 고가이다 specifically means high price.

이 보석은 귀하고 고가이다.

고가이다 vs 고급이다

Expensive things are often high-quality.

고급 refers to quality/rank; 고가 refers to price.

이 호텔은 고급이고 가격도 고가이다.

고가이다 vs 저가이다

Antonym.

저가 is the formal 'low price'; 고가 is the formal 'high price'.

고가 라인과 저가 라인이 있다.

文型パターン

N은/는 고가입니다.

이 차는 고가입니다.

N은/는 매우 고가이다.

그 가방은 매우 고가이다.

고가임에도 불구하고...

고가임에도 불구하고 인기가 많다.

고가인 만큼...

고가인 만큼 품질이 좋다.

고가인 것으로 나타났다.

가격이 고가인 것으로 나타났다.

고가인 제품일수록...

고가인 제품일수록 관리가 중요하다.

지나치게 고가라는 비판...

지나치게 고가라는 비판이 있다.

고가인 상태를 유지할 전망이다.

당분간 고가인 상태를 유지할 전망이다.

語族

名詞

고가 (High price)

고가품 (High-priced item)

고가주택 (High-priced house)

고가도로 (Elevated road - different Hanja but same sound)

動詞

고가에 매입하다 (To purchase at a high price)

고가에 처분하다 (To sell off at a high price)

形容詞

고가인 (High-priced - modifying form)

使い方

frequency

High in professional/media contexts; Moderate in daily life.

よくある間違い

이 사과는 고가이다. → 이 사과는 비싸다.
Using '고가이다' for common food items is too formal and unnatural.
가격이 높은 고가이다. → 가격이 고가이다.
'고가' already means high price, so '높은' is redundant.
그는 고가 연봉을 받는다. → 그는 고액 연봉을 받는다.
Use '고액' for amounts of money like salary.
이것은 고가다. → 이것은 고가이다.
In formal writing, the '이' in '이다' should not be omitted after a noun ending in a vowel.
고가인 도로를 달렸다. → 고가도로를 달렸다.
'고가도로' is a specific noun; '고가인 도로' sounds like 'a high-priced road'.

ヒント

Check the Context

If you are writing a business email or a report, '고가이다' is the best choice.

Don't Forget '이다'

Always conjugate it correctly as '고가이다', '고가입니다', or '고가예요'.

Learn the Pair

Learn '고가' and '저가' together to talk about price ranges.

Avoid Bragging

Using '고가' for your own stuff can sound like you are showing off.

Luxury Culture

In Korea, '고가 브랜드' (luxury brands) are a huge part of the fashion scene.

News Headlines

Look for '고가' in headlines about apartments or tech gadgets.

Use Adverbs

Modify with '상당히' (considerably) for a professional tone.

Formal Endings

You will almost always hear it with '-입니다' or '-습니다' in news.

High Go

Remember 'Go' means 'High' (高) in many Korean words like '고등학교' (high school).

Objective vs Subjective

'고가이다' is objective; '비싸다' is subjective.

暗記しよう

記憶術

Think of a 'Go-Kart' (고가) that is so 'High' (고) in 'Price' (가) that you need a lot of money to buy it.

視覚的連想

Imagine a tall skyscraper (representing 'Go' / High) with a giant dollar sign price tag (representing 'Ga' / Price) hanging from it.

Word Web

Price High Luxury Money Expensive Formal Business Asset

チャレンジ

Try to find three items in your house that you would describe as '고가이다' and write sentences for them using the formal '-입니다' ending.

語源

Derived from Sino-Korean (Hanja) roots. '고' (高) meaning high and '가' (價) meaning price or value.

元の意味： A state of having a high monetary value.

Sino-Korean vocabulary.

文化的な背景

Be careful not to sound like you are bragging when using this word about your own possessions.

English speakers often just use 'expensive' for everything. Learning '고가이다' helps you sound more nuanced, like using 'premium' or 'high-end'.

Luxury brands like Chanel and Hermes are always described as '고가 브랜드' in Korean media. The 'Gangnam Style' lifestyle is associated with '고가' consumption. Auction houses like Seoul Auction deal exclusively in '고가' art.

実生活で練習する

実際の使用場面

Real Estate

고가 아파트
고가 주택
매매가가 고가이다
고가 부동산

Shopping

고가 브랜드
고가 명품
고가 제품
고가 라인

Technology

고가 장비
고가 부품
고가 소프트웨어
고가 카메라

Business

고가 전략
고가 정책
고가 마케팅
고가 수수료

Legal/Financial

고가 자산
고가 보험
고가 낙찰
고가 매입

会話のきっかけ

"최근에 본 물건 중에 가장 고가인 것은 무엇이었나요?"

"왜 어떤 브랜드들은 고가 전략을 사용할까요?"

"고가인 제품이 항상 품질도 좋다고 생각하시나요?"

"한국에서 고가 주택의 기준은 무엇일까요?"

"당신이 가진 물건 중 가장 고가인 것은 무엇인가요?"

日記のテーマ

내가 만약 고가인 스포츠카를 갖게 된다면 어디에 가고 싶은지 써보세요.

고가임에도 불구하고 꼭 사고 싶은 물건에 대해 설명해 보세요.

우리 사회에서 고가 제품을 선호하는 이유에 대해 자신의 생각을 써보세요.

가격이 고가인 서비스(예: 고급 호텔)를 이용해 본 경험을 기록해 보세요.

미래에 내가 고가인 자산을 소유하게 된다면 어떻게 관리할지 계획해 보세요.

よくある質問

10 問

Usually no. It sounds too formal for everyday small items. Use '비싸다' instead.

It is a predicative adjective formed by the noun '고가' and the copula '이다'.

고가 means high-priced, while 최고가 means the highest price.

In speech, people say '고가다' as a contraction of '고가이다', but '고가이다' is the standard written form.

Use 고액 for amounts of money like wages, taxes, or prizes. Use 고가 for products and assets.

No, it is only for prices or items. For a person with a high salary, you'd say '몸값이 높다'.

Yes, it is much more formal than '비싸다'.

Not necessarily, but it often implies it in a marketing context.

The formal opposite is '저가이다'.

You wouldn't use 고가. You might say '비싸용' or '가격이 좀 있네요'.

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