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Vocabulary
동질적이다

B2 adjective 9 min read

동질적이다

dongjiljeogida

Practice it Examples Notes & Tips 동질적이다 in 30 Seconds

Explanation 동질적이다 in your Level:

At the A1 level, you don't really need to use the word '동질적이다' because it is quite advanced. Instead, you should learn the word '같다' (to be the same) or '비슷하다' (to be similar). '동질적이다' is a big word that adults use in news or books. Imagine you have two red apples. They are '같은' (same) color. But if you want to say that all the apples in a bag are the same kind of fruit and have the same sweet taste, an adult might say they are '동질적이다.' For now, just remember that this word means 'of the same kind' or 'very similar in nature.' You will see it more as you read harder books later. It's like the difference between saying 'they are the same' and 'they are homogeneous.'

At the A2 level, you might start seeing '동질적이다' in simple news articles or school textbooks. It is an adjective that describes when a group of things or people share the same qualities. For example, if everyone in a classroom is the same age and from the same city, that group is '동질적이다.' The word comes from '동' (same) and '질' (quality). It's more formal than '같다.' You can use it when talking about groups of people or types of things. A good way to remember it is to think about a box of only LEGO bricks—they are all the same kind of toy, so they are '동질적' in that box. If you add a doll, the box is no longer '동질적.'

As a B1 learner, you are moving into more abstract topics. '동질적이다' is a very useful word for discussing society, culture, and science. It means 'homogeneous.' You use it when the 'essence' or 'nature' (질) of things is the same (동). For example, in a discussion about culture, you might say '한국은 문화적으로 동질적인 국가입니다' (Korea is a culturally homogeneous country). This sounds much more professional than just saying 'culture is the same.' You should also learn its opposite, '이질적이다' (heterogeneous/different in nature). Understanding these two words will help you follow debates about diversity and social changes in Korea.

At the B2 level, '동질적이다' is a key vocabulary item for academic and professional proficiency. You should understand that it refers to the internal consistency or uniformity of a subject. It is frequently used in research contexts, such as '동질적 집단' (a homogeneous group) in a study. You should be able to distinguish it from '동일하다' (identical). While '동일하다' means two things are exactly one and the same (like two identical keys), '동질적이다' means they are of the same nature or category (like two different keys that both work for the same type of lock). You will hear this word in economic reports, sociological analyses, and high-level news broadcasts. Practice using the modifier form '동질적인' before nouns like '문화,' '사회,' and '구성원.'

For C1 learners, '동질적이다' is a tool for nuanced analysis. You should explore its usage in socio-political discourse, particularly regarding the 'ethnic homogeneity' (민족적 동질성) of the Korean peninsula. This word often carries weight in discussions about reunification, multiculturalism (다문화주의), and social integration. You should also be familiar with the noun form '동질성' and how it is '회복하다' (restored) or '강화하다' (strengthened). In C1 level writing, you can use this word to contrast with '다원성' (plurality) or '다양성' (diversity). It's not just about things being the same; it's about the systemic uniformity that defines a group's identity or a material's properties. You might also encounter it in philosophical texts discussing 'homogeneity' in thought or logic.

At the C2 level, you should have a masterly grasp of '동질적이다' and its theoretical implications. In academic literature, this term is used to critique '동질적인 담론' (homogeneous discourses) that suppress minority voices. You should understand how it functions in complex fields like statistical analysis ('동질성 검정' - test of homogeneity) or advanced materials science. At this level, you can use the word to discuss the 'ontological homogeneity' of certain concepts or the 'structural homogeneity' of organizations. You should also be able to use it metaphorically in literary criticism to describe the consistent tone or nature of a writer's body of work. The word is no longer just a descriptor but a conceptual lens through which you analyze consistency and difference in complex systems.

Practice it Examples Notes & Tips

동질적이다 in 30 Seconds

동질적이다 means 'homogeneous' or 'of the same nature,' focusing on shared internal qualities rather than just looking identical.
It is a formal B2-level word frequently used in academic, scientific, and sociological contexts in Korea.
The word is the opposite of 이질적이다 (heterogeneous) and should not be confused with 동일하다 (identical).
Commonly used to describe societies, cultures, consumer groups, or chemical substances that are uniform in character.

The Korean adjective 동질적이다 (同質的이다) is a sophisticated term that translates most accurately to 'homogeneous' or 'of the same nature.' To truly understand this word, we must look at its Chinese characters (Hanja): 同 (동) meaning 'same,' 質 (질) meaning 'quality' or 'nature,' and 的 (적), a suffix that turns a noun into an adjective. When combined, it describes a state where the internal components, qualities, or characteristics of a group or substance are uniform and consistent. Unlike the simple word '같다' (to be the same), which can refer to appearance or identity, '동질적이다' refers to the underlying essence or character of things.

Sociological Context: In South Korea, this word is frequently used in discussions about society and national identity. For a long time, Korea described itself as a '단일민족' (danil-minjok), or a single-ethnic nation, which is inherently 동질적. This homogeneity is often cited as a reason for strong social cohesion but is also discussed in the context of the challenges of becoming a more multicultural society.

한국 사회는 오랫동안 문화적으로 매우 동질적이다라고 여겨져 왔습니다. (Korean society has long been considered very culturally homogeneous.)

You will encounter this word in academic settings, news reports, and formal discussions. For instance, a scientist might describe a chemical solution as 동질적 if its composition is the same throughout. An economist might describe a market as 동질적 if all products offered are essentially identical in quality and function. It is a word that signals a high level of education and precision in speech. It is not something you would typically use when talking about two identical shirts (where '같다' or '똑같다' is better); rather, it is used when discussing the shared characteristics of a group of people, a collection of data, or the properties of a material.

Scientific Application: In chemistry, a 'homogeneous mixture' is called a '균일 혼합물,' but the property of being homogeneous in nature is described as '동질적.' It implies that no matter which part of the substance you sample, the properties remain the same.

이 합금은 성분이 동질적이다. (This alloy is homogeneous in its components.)

Furthermore, in psychology and education, researchers look for '동질적 집단' (homogeneous groups) when they want to study individuals with similar backgrounds, skill levels, or personality traits. This allows for more controlled experiments. Conversely, '이질적' (heterogeneous) is the antonym used to describe groups with diverse or different qualities. Understanding the balance between being 동질적 and 이질적 is a key theme in modern Korean discourse as the country navigates globalization and internal diversity.

Using 동질적이다 correctly requires an understanding of its grammatical function as a descriptive verb (adjective) in Korean. Because it ends in '-이다', it behaves like a noun-based adjective. You can use it at the end of a sentence to describe a subject, or you can use the modifier form 동질적인 to describe a noun directly. The word is most often paired with abstract nouns like culture, society, group, or characteristics.

Grammar Pattern 1: Subject + -은/는 + 동질적이다: This is the standard way to state that a subject is homogeneous. For example: '그들의 사고방식은 매우 동질적이다' (Their way of thinking is very homogeneous).

실험에 참여한 집단은 연령대 면에서 동질적이다. (The group participating in the experiment is homogeneous in terms of age group.)

When you want to describe a noun, you use 동질적인. Common pairings include 동질적인 집단 (homogeneous group), 동질적인 문화 (homogeneous culture), and 동질적인 구성원 (homogeneous members). This is particularly useful in academic writing where you need to categorize subjects based on shared traits. For instance, '동질적인 집단을 대상으로 조사를 실시했다' (The survey was conducted on a homogeneous group).

Grammar Pattern 2: -면에서/있어서 + 동질적이다: To specify 'in what way' something is homogeneous, use these markers. '경제적 수준 면에서 동질적이다' means 'homogeneous in terms of economic level.'

두 나라는 역사적 배경 면에서 동질적이다. (The two countries are homogeneous in terms of historical background.)

It is also important to note the contrastive use. Often, '동질적이다' is used alongside '이질적이다' to show comparison. 'A는 동질적이지만 B는 이질적이다' (A is homogeneous, but B is heterogeneous). This structure is a staple in comparative literature, social studies, and scientific analysis. When writing, ensure that the subject you are describing is a collective or a substance; you wouldn't use this word to describe a single person's mood or a singular object's color unless you are referring to its internal consistency.

In everyday casual conversation, 동질적이다 is relatively rare. You wouldn't use it while grabbing coffee with a friend to say your tastes in music are the same (you'd use '취향이 비슷하다' or '통하다'). However, as soon as the conversation shifts to more serious or abstract topics, this word becomes indispensable. You will hear it in news broadcasts, documentaries, university lectures, and business meetings where strategic analysis is required.

In the News: News anchors often use this word when discussing North and South Korean relations. They might speak of the '동질성' (homogeneity) of the Korean people despite decades of division, emphasizing shared ancestry and language.

전문가들은 남북한의 문화적 동질성을 회복하는 것이 시급하다고 강조합니다. (Experts emphasize that restoring the cultural homogeneity of North and South Korea is urgent.)

In a university setting, specifically in sociology or political science departments, professors will use 동질적이다 to describe social structures. They might discuss how '동질적인 사회' (homogeneous societies) maintain social order differently than '다원적인 사회' (pluralistic societies). Students are expected to use this term in their essays to demonstrate a command of academic vocabulary. It is a 'marker' word that indicates the speaker is thinking analytically.

In Literature and Essays: Modern Korean essays often explore the tension between the comfort of being in a '동질적인 집단' and the need for individual expression. Writers use the word to critique the pressure to conform in a society that values being 'of the same nature.'

우리는 지나치게 동질적인 가치관을 강요받고 있는 것은 아닐까? (Are we perhaps being forced into excessively homogeneous values?)

Finally, in the legal or administrative realm, you might find this word in documents describing the '동질적인 성격' of certain legal cases or administrative procedures. If multiple cases are 동질적, they may be processed together. Thus, while it is a high-level word, its reach extends from the laboratory to the courtroom and the television screen, making it essential for any learner aiming for B2 proficiency or higher.

One of the most frequent mistakes learners make with 동질적이다 is confusing it with the word 동일하다 (同一하다). While both involve the concept of 'sameness,' they are used in very different contexts. 동일하다 means 'identical' or 'one and the same.' If two people have the exact same fingerprint, you use 동일하다. If two groups of people share similar cultural values, you use 동질적이다. Using 동일적 (a common non-existent hybrid) or using 동질적 to mean 'identical' will sound unnatural to native speakers.

Mistake 1: Confusing Quality with Identity: Learners often say '우리의 옷이 동질적이다' when they mean 'Our clothes are the same.' This is incorrect. You should say '우리의 옷이 같다' or '동일하다' (if they are the exact same model). 동질적 refers to the nature or type, not the specific object.

❌ 이 두 핸드폰은 디자인이 동질적이다.
✅ 이 두 핸드폰은 디자인이 동일하다 / 비슷하다.

Another error is using 동질적이다 for physical appearance. You cannot describe two people who look alike as 동질적. This word is reserved for abstract qualities, compositions, or group characteristics. If you want to say two people look like twins, use '닮았다' or '똑같이 생겼다.' Using 동질적이다 in this context makes it sound like you are talking about their biological or chemical makeup in a very robotic, scientific way.

Mistake 2: Incorrect Particle Usage: Sometimes learners forget that 동질적이다 is an adjective and try to use it with object markers like '-을/를.' Since it's a descriptive state, it always takes the subject marker '-이/가' or '-은/는.'

❌ 사회를 동질적으로 만들다 (Wait, this is actually correct! But '사회가 동질적이다' is the base form. The mistake is using it where '같다' is simpler and better.)

Lastly, be careful with the level of formality. Using 동질적이다 in a very casual setting (like with children) can sound overly stiff or 'pretentious.' It's like using the word 'homogeneous' in English while playing at a park. It’s not grammatically 'wrong,' but it’s socially out of place. Stick to '비슷하다' (similar) or '같다' (same) in casual conversations unless you are specifically discussing the nature of something.

To expand your vocabulary, it's helpful to compare 동질적이다 with other words that express 'sameness' or 'similarity.' Each has a specific nuance that makes it suitable for different situations. Understanding these differences will help you sound more like a native speaker and achieve higher proficiency levels.

동일하다 (同一하다) vs. 동질적이다: As mentioned, 동일하다 refers to identity. 'The ID of the suspect is 동일하다 with the witness's description.' 동질적이다 refers to shared qualities. 'The suspect and the witness belong to a 동질적인 social group.'

유사하다 (類似하다): This means 'similar.' It's less formal than 동질적이다 and can be used for patterns, designs, or ideas that look or feel alike but aren't necessarily 'of the same nature.'

Another alternative is 균일하다 (均一하다), which means 'uniform' or 'even.' This is often used for physical things like the distribution of color on a wall or the size of grains in a bag. While 동질적 focuses on the *nature* of the substance, 균일 focuses on the *evenness* of its distribution. For example, '색상이 균일하다' (The color is uniform).

흡사하다 (恰似하다): This is a very strong word for 'strikingly similar.' It's often used when two things look so much alike that it's surprising. '그는 아버지와 외모가 흡사하다' (He looks strikingly similar to his father).

공통되다 (共通되다): This means 'to be in common.' Instead of saying a group is 동질적, you can say they have 공통된 characteristics. It's a bit more versatile and less academic.

In summary, use 동질적이다 when you want to emphasize that the internal makeup or the essential character of a group or substance is the same. Use 동일하다 for exact identity, 유사하다 for general similarity, 균일하다 for physical uniformity, and 흡사하다 for strong visual resemblance. Mastering these distinctions will allow you to describe the world with much greater precision in Korean.

How Formal Is It?

Fun Fact

In the early 20th century, as Korea developed modern social sciences, many terms like '동질적' were adapted from Japanese translations of Western concepts (like 'homogeneous').

Pronunciation Guide

UK /tɔŋ.dʑil.tɕʌk.i.da/

US /doʊŋ.dʒil.tʃʌk.i.da/

The primary stress is on the second syllable '질' (jeel) and the third syllable '적' (jeok).

Rhymes With

이질적이다 (Heterogeneous) 수직적이다 (Vertical) 수평적이다 (Horizontal) 열정적이다 (Passionate) 긍정적이다 (Positive) 부정적이다 (Negative) 현실적이다 (Realistic) 이상적이다 (Idealistic)

Common Errors

Pronouncing '동' as 'dung' instead of a clear 'oh' sound.
Making the 'j' in '질' too soft like a French 'j'; it should be closer to a 'dz' or 'j' in 'jeep'.
Failing to pronounce the final 'k' in '적' before the 'i' sound, leading to '동질저이다'.
Over-emphasizing the 'da' at the end, which should be light.
Confusing the 'l' in '질' with an 'r' sound.

Difficulty Rating

Reading 4/5

Requires knowledge of Hanja-based academic vocabulary.

Writing 4/5

Needs careful context to avoid confusion with '동일하다'.

Speaking 3/5

Pronunciation is straightforward, but usage is formal.

Listening 4/5

Common in news and lectures, but rare in casual speech.

What to Learn Next

Prerequisites

같다 (Same) 성질 (Nature/Quality) 비슷하다 (Similar) 집단 (Group) 문화 (Culture)

Learn Next

이질적이다 (Heterogeneous) 동일하다 (Identical) 다원주의 (Pluralism) 정체성 (Identity) 통합 (Integration)

Advanced

보편성 (Universality) 특수성 (Specificity) 획일적이다 (Uniform/Standardized) 유대감 (Sense of bonding)

Grammar to Know

-적 (Suffix)

문화적, 사회적, 역사적

-이다 (Copula)

동질적이다, 학생이다

-ㄴ/은 (Adjective modifier)

동질적인 사람

-게 (Adverbial suffix)

동질적으로 변하다

-성 (Noun suffix for 'property')

동질성, 가능성

Examples by Level

우리는 동질적인 팀이에요.

We are a homogeneous team (we are all the same kind).

동질적인 is the adjective form modifying '팀'.

이 과일들은 동질적입니다.

These fruits are of the same kind.

Sentence ends with the formal '-입니다'.

생각이 동질적이에요.

Our thoughts are the same kind.

Using the polite '-이에요' ending.

동질적인 색깔을 골라요.

Choose the same kind of colors.

동질적인 modifies '색깔'.

그들은 동질적인 옷을 입어요.

They wear the same kind of clothes.

Subject '그들' (they).

이 방의 가구는 동질적이다.

The furniture in this room is of the same style/kind.

Plain form '-이다' used for statements.

우리는 동질적인 취미가 있어요.

We have the same kind of hobbies.

Possessive structure with '있어요'.

동질적인 물건을 찾으세요.

Please find items of the same kind.

Imperative '-으세요'.

이 마을 사람들은 매우 동질적이다.

The people in this village are very homogeneous.

Adverb '매우' (very) strengthens the adjective.

동질적인 배경을 가진 친구들이에요.

They are friends with the same kind of background.

Relative clause '배경을 가진' (having a background).

이 액체는 성분이 동질적이에요.

This liquid is homogeneous in its components.

Topic marker '-는' and subject '-이'.

우리는 문화적으로 동질적인 그룹입니다.

We are a culturally homogeneous group.

Adverbial '문화적으로' (culturally).

동질적인 성격의 문제들이 발생했다.

Problems of a similar nature occurred.

Past tense '발생했다' (occurred).

그 두 회사는 동질적이지 않아요.

Those two companies are not homogeneous (they are different).

Negative form '-지 않아요'.

동질적인 특징을 찾아보세요.

Try to find the shared characteristics.

Auxiliary verb '-아/어 보다' (to try doing).

이곳의 기후는 일 년 내내 동질적이다.

The climate here is uniform/the same all year round.

Time expression '일 년 내내' (all year round).

한국은 오랫동안 동질적인 민족 국가였다.

Korea was a homogeneous ethnic nation for a long time.

Past tense '-였다' for nouns ending in a vowel.

연구를 위해 동질적인 집단을 구성했다.

A homogeneous group was formed for the research.

Purpose marker '-를 위해' (for the sake of).

이 두 물질은 화학적으로 동질적이다.

These two substances are chemically homogeneous.

Adverb '화학적으로' (chemically).

사회적 동질성이 높으면 결속력이 강해진다.

If social homogeneity is high, social cohesion becomes stronger.

Conditional '-면' (if) and noun form '동질성'.

그의 작품들은 스타일 면에서 매우 동질적이다.

His works are very homogeneous in terms of style.

'면에서' indicates the aspect of comparison.

동질적인 가치관을 공유하는 것이 중요하다.

It is important to share homogeneous (similar) values.

Gerund '-는 것' (the act of sharing).

시장에는 동질적인 상품들이 너무 많다.

There are too many homogeneous products in the market.

Subject marker '-이/가' with '많다'.

우리는 서로 이질적인 것보다 동질적인 면이 많다.

We have more homogeneous aspects than heterogeneous ones.

Comparison '-보다' (than).

전문가들은 이 데이터가 동질적이라고 분석했다.

Experts analyzed that this data is homogeneous.

Indirect quote '-고 분석했다' (analyzed that...).

동질적인 소비자 집단을 타겟으로 마케팅을 한다.

Marketing is targeted at a homogeneous consumer group.

Target marker '-을 타겟으로'.

북한과 남한은 언어적으로 여전히 동질적이다.

North and South Korea are still linguistically homogeneous.

Adverb '여전히' (still).

조직의 구성원이 너무 동질적이면 창의성이 떨어질 수 있다.

If the members of an organization are too homogeneous, creativity can decrease.

Potential '-을 수 있다' (can/might).

이 합금은 물리적 성질이 모든 부분에서 동질적이다.

This alloy has physical properties that are homogeneous in all parts.

Possessive '성질이' (properties are...).

교육 수준이 동질적인 집단을 대상으로 실험을 진행했다.

The experiment was conducted on a group with a homogeneous education level.

Object of action '-을 대상으로' (targeting...).

그들은 서로 다른 배경을 가졌지만 사고방식은 동질적이다.

They have different backgrounds, but their way of thinking is homogeneous.

Contrastive '-지만' (but).

사회 통합을 위해서는 문화적 동질성 확보가 필요하다.

For social integration, securing cultural homogeneity is necessary.

Noun phrase '확보가 필요하다' (securing is necessary).

현대 사회는 과거보다 훨씬 덜 동질적인 구조를 띠고 있다.

Modern society has a much less homogeneous structure than in the past.

Idiomatic '구조를 띠다' (to take on/possess a structure).

담론의 동질성은 때때로 소수 의견을 억압하는 도구가 된다.

Homogeneity of discourse sometimes becomes a tool for suppressing minority opinions.

Abstract noun '담론' (discourse).

표본이 동질적이지 않으면 통계적 유의성을 확보하기 어렵다.

If the sample is not homogeneous, it is difficult to secure statistical significance.

Statistical term '유의성' (significance).

이 작가의 문체는 초기작부터 최신작까지 놀라울 정도로 동질적이다.

This author's writing style is surprisingly homogeneous from early works to the latest.

Degree marker '-을 정도로' (to the extent of...).

세계화는 전 세계의 소비 문화를 동질적으로 변화시키고 있다.

Globalization is changing the world's consumer culture into a homogeneous one.

Adverbial form '동질적으로' used with '변화시키다'.

법적 판단의 동질성을 유지하는 것이 사법 정의의 핵심이다.

Maintaining the homogeneity (consistency) of legal judgments is the core of judicial justice.

Noun form '동질성' used as an object.

우리는 유전적으로는 동질적이지만 환경에 의해 서로 다르게 성장한다.

We are genetically homogeneous but grow differently due to our environment.

Passive construction '환경에 의해' (by environment).

집단 사고의 위험은 구성원들이 지나치게 동질적일 때 발생한다.

The danger of groupthink occurs when members are excessively homogeneous.

Time marker '-을 때' (when).

포스트모더니즘은 거대 담론의 동질성을 해체하고 파편화된 주체에 주목한다.

Postmodernism deconstructs the homogeneity of grand narratives and focuses on fragmented subjects.

Philosophical verb '해체하다' (deconstruct).

이 신소재는 원자 수준에서 완벽하게 동질적인 격자 구조를 형성한다.

This new material forms a perfectly homogeneous lattice structure at the atomic level.

Scientific term '격자 구조' (lattice structure).

문화적 동질성에 기반한 민족주의는 배타성을 띨 위험이 농후하다.

Nationalism based on cultural homogeneity has a high risk of becoming exclusive.

Adjective '농후하다' (strong/thick/highly probable).

알고리즘에 의한 정보 편향은 사용자의 인식 세계를 동질적인 공간으로 가둔다.

Information bias caused by algorithms traps the user's perceptual world in a homogeneous space.

Metaphorical use of '가두다' (to trap/confine).

헤겔의 변증법에서 정(正)은 자체 내에 동질적인 통일성을 내포하고 있다.

In Hegel's dialectic, the 'thesis' contains a homogeneous unity within itself.

Formal verb '내포하다' (to involve/connote).

도시 공간의 동질화는 지역 고유의 장소성을 상실하게 만든다.

The homogenization of urban spaces causes the loss of a region's unique 'placeness.'

Noun '동질화' (homogenization).

자본의 논리는 노동의 가치를 동질적인 화폐 단위로 환원시킨다.

The logic of capital reduces the value of labor into homogeneous monetary units.

Academic verb '환원시키다' (to reduce/convert back).

심리학적으로 동질적 투사는 자신의 내면을 타인에게서 발견하려는 시도이다.

Psychologically, homogeneous projection is an attempt to discover one's inner self in others.

Technical term '투사' (projection).

Common Collocations

동질적인 집단

문화적 동질성

동질적인 사회

성분이 동질적이다

동질적인 가치관

동질성을 회복하다

동질적인 배경

동질적인 성격

동질적인 구성원

동질적인 타겟

Common Phrases

민족적 동질성

— Ethnic homogeneity. Refers to a group sharing the same ancestry.

민족적 동질성은 국가 통합의 기초가 된다.

문화적 동질성

— Cultural homogeneity. Shared customs and values.

문화적 동질성이 강한 사회는 변화에 보수적일 수 있다.

동질적 구성

— Homogeneous composition. When parts are the same.

팀의 동질적 구성이 협력을 돕는다.

동질적 집단

— Homogeneous group. A group with similar members.

동질적 집단 내에서는 갈등이 적다.

동질적 반응

— Homogeneous reaction. Similar reactions from many people.

관객들은 동질적인 반응을 보였다.

동질적인 요소

— Homogeneous elements. Parts that are alike.

두 계획에는 동질적인 요소가 많다.

동질성을 잃다

— To lose homogeneity/identity.

이민자가 늘어나면서 사회는 동질성을 잃고 있다.

동질성을 강조하다

— To emphasize homogeneity.

지도자는 국민의 동질성을 강조했다.

동질적인 환경

— Homogeneous environment.

동질적인 환경에서 자란 아이들.

심리적 동질감

— Sense of psychological homogeneity/affinity.

우리는 같은 아픔을 겪으며 동질감을 느꼈다.

Often Confused With

동질적이다 vs 동일하다

Means 'identical' (exact same object). '동질적' means 'of the same kind' (shared nature).

동질적이다 vs 균일하다

Means 'uniform' in physical distribution. '동질적' is more about the essence or quality.

동질적이다 vs 유사하다

Means 'similar.' It's broader and less academic than '동질적'.

Idioms & Expressions

"끼리끼리 유유상종"

— Birds of a feather flock together. People of the same kind (homogeneous) hang out together.

끼리끼리 유유상종이라더니, 동질적인 사람들만 모였네.

Informal

"초록은 동색"

— Green is the same color. People with similar backgrounds (homogeneous) sympathize with each other.

초록은 동색이라고, 그들은 서로를 잘 이해한다.

Neutral

"가재는 게 편"

— The crayfish sides with the crab. Those who are similar (homogeneous) support each other.

가재는 게 편이라더니 동질적인 집단끼리 뭉치네.

Informal

"그 나물에 그 밥"

— The same side dish for the same rice. Used when things are homogeneously mediocre or unchanged.

새로운 정책이라지만 그 나물에 그 밥처럼 동질적이다.

Informal

"같은 배를 타다"

— To be in the same boat. Sharing a homogeneous fate or situation.

우리는 이제 동질적인 운명을 가진 같은 배를 탄 사이다.

Neutral

"피는 물보다 진하다"

— Blood is thicker than water. Emphasizing genetic/ethnic homogeneity.

민족적 동질성을 말할 때 피는 물보다 진하다는 말이 쓰인다.

Neutral

"도긴개긴"

— Six of one, half a dozen of the other. When two things are homogeneously similar in quality (usually negative).

실력들이 도긴개긴이라 동질적이다.

Informal

"오십보백보"

— Fifty steps or a hundred steps. Used when differences are negligible and things are essentially homogeneous.

두 제품의 차이는 오십보백보로 동질적이다.

Formal/Neutral

"유유상종"

— Like attracts like. Used to describe homogeneous groups forming naturally.

유유상종은 동질적인 인간관계의 기본 원리다.

Formal

"붕어빵이다"

— To be a carbon copy. Used for very homogeneous physical appearance.

그 부자는 정말 붕어빵처럼 동질적인 외모를 가졌다.

Informal

Easily Confused

동질적이다 vs 동일 (同一)

Both start with '동' (same).

동일 is identity (A is B). 동질 is quality (A and B are like each other).

이 두 열쇠는 동일하다 (same key). 이 두 열쇠는 동질적이다 (same type of key).

동질적이다 vs 균일 (均一)

Both imply a lack of variation.

균일 is about evenness/uniformity. 동질 is about the nature of the parts.

빵의 크기가 균일하다. 사회의 구성원이 동질적이다.

동질적이다 vs 단일 (單一)

Often used together in '단일민족'.

단일 means 'single' or 'sole'. 동질 means 'same nature'.

단일 팀 (one single team). 동질적 팀 (team with similar members).

동질적이다 vs 일치 (一致)

Both mean things are the same.

일치 is used when things 'match' or 'correspond'.

답안이 일치하다. 가치관이 동질적이다.

동질적이다 vs 상응 (相應)

Relates to things being alike.

상응 means 'corresponding' or 'proportional'.

노력에 상응하는 대가. 동질적인 배경.

Sentence Patterns

A와 B는 [특징] 면에서 동질적이다.

이 두 지역은 기후 면에서 동질적이다.

동질적인 [명사]을/를 대상으로 [동사].

동질적인 집단을 대상으로 설문조사를 했다.

[명사]의 동질성을 유지하다.

전통 문화의 동질성을 유지하는 것이 중요하다.

[명사]은/는 [명사]에 비해 훨씬 동질적이다.

농촌 사회는 도시 사회에 비해 훨씬 동질적이다.

동질적인 사고방식을 강요하다.

사회는 우리에게 동질적인 사고방식을 강요한다.

동질화된 [명사]의 위험성.

동질화된 정보 소비의 위험성을 경계해야 한다.

구조적 동질성을 띠다.

이 두 이론은 구조적 동질성을 띠고 있다.

동질적 투사를 통해 [동사].

동질적 투사를 통해 타인을 이해하려 한다.

Word Family

Nouns

동질성 (Homogeneity/Sameness of nature)

동질화 (Homogenization)

동질감 (Sense of kinship/affinity)

Verbs

동질화하다 (To homogenize/To make the same)

동질화되다 (To be homogenized)

Adjectives

동질적이다 (Homogeneous)

이질적이다 (Heterogeneous)

동일하다 (Identical)

유사하다 (Similar)

단일하다 (Single/Uniform)

균일하다 (Uniform)

How to Use It

frequency

High in academic and news contexts; Low in daily casual speech.

Common Mistakes

Using '동질적' for identical objects. → Using '동일한' or '같은'.
'동질적' is for nature/quality, not identity.
Pronouncing it as '동질저이다'. → '동질적이다' (jeok-i-da).
The 'k' sound in '적' must be pronounced clearly.
Using it for people's looks. → '닮았다' or '비슷하다'.
It's an abstract/scientific term, not for physical beauty.
Confusing '동질성' with '동질감'. → '동질성' is the property; '동질감' is the feeling of kinship.
Don't say '사회적 동질감을 유지하다' when you mean 'homogeneity'.
Using '-을/를' with '동질적이다'. → Using '-이/가' or '-은/는'.
It's an adjective, so it describes a subject, it doesn't take an object.

Tips

Academic Writing

When writing a thesis, use '동질적 집단' to describe your control group to sound professional.

Cultural Nuance

Use '민족적 동질성' when discussing the shared history of the two Koreas.

Modifier Form

Remember that the modifier form is '동질적인'. Example: '동질적인 생각'.

The Antonym

Always learn '이질적이다' at the same time. They are the 'north and south' of this concept.

Formal Debates

In a debate about diversity, use this word to describe the starting state of a society.

News Keywords

If you hear '동질성' on the news, the story is likely about social unity or North Korea.

Avoid Overuse

Don't use it for simple things like 'same color' or 'same age' in casual talk; it's too heavy.

Hanja Help

Remember 'Dong' (Same) and 'Jil' (Quality). Same Quality = Homogeneous.

Marketing Strategy

Marketers use this to describe a 'homogeneous target' that has the same needs.

Level Up

Mastering this word moves you from intermediate (B1) to upper-intermediate (B2) proficiency.

Memorize It

Mnemonic

Think of 'DONG' as 'Double' or 'Same' and 'JIL' as 'Jewel' or 'Quality'. If two things have the 'DONG JIL' (Same Quality), they are homogeneous.

Visual Association

Imagine a jar filled only with identical blue marbles. Every marble is the same size, weight, and color. This jar is '동질적'.

Word Web

동질성 (Noun) 동질감 (Feeling) 이질적 (Opposite) 동일 (Identical) 사회 (Society) 문화 (Culture) 집단 (Group) 성분 (Component)

Challenge

Try to find three things in your room that are '동질적' (e.g., a set of books, a pack of pens) and describe them using the word.

Word Origin

The word is composed of three Hanja (Sino-Korean) characters: 同 (동), 質 (질), and 的 (적). 同 means 'same' or 'together.' 質 means 'quality,' 'nature,' or 'substance.' 的 is a relational suffix that functions like '-ic' or '-ous' in English.

Original meaning: The original meaning is 'having the same quality or nature.' It was used to describe substances or philosophical concepts that were consistent throughout.

Sino-Korean (Hanja-derived).

Cultural Context

Be careful when using this word to describe people. While it's a standard sociological term, emphasizing 'homogeneity' can sometimes sound exclusionary in the context of race or ethnicity.

In English, 'homogeneous' is quite a technical word. In Korean, '동질적이다' is also formal but is used more frequently in social discussions than its English counterpart.

Sociologists like Shin Gi-wook have written extensively on 'Ethnic Homogeneity' in Korea. The term is often used in 'Unification Education' (통일교육) to describe the shared roots of North and South Korea. News debates about 'Multiculturalism' (다문화) often contrast it with '동질적 사회'.

Practice in Real Life

Real-World Contexts

Sociology/Politics

민족적 동질성
문화적 동질성
동질적인 사회
동질성을 강조하다

Science/Chemistry

동질적인 혼합물
성분이 동질적이다
동질적인 구조
물리적으로 동질적이다

Business/Marketing

동질적인 소비자
동질적인 시장
상품의 동질성
동질적 경쟁

Psychology/Education

동질적 집단
심리적 동질감
동질적인 배경
동질적 사고

Law/Administration

동질적인 사건
판단의 동질성
동질적인 성격
동질적 처리

Conversation Starters

"한국 사회가 점점 더 이질적으로 변하고 있다고 생각하시나요, 아니면 여전히 동질적이라고 보시나요?"

"동질적인 집단에서 일하는 것과 다양한 집단에서 일하는 것 중 무엇을 선호하세요?"

"남북한의 문화적 동질성을 회복하기 위해 가장 중요한 것은 무엇일까요?"

"친구를 사귈 때 자신과 동질적인 사람을 찾는 편인가요?"

"시장 경제에서 상품이 너무 동질적이면 소비자에게 어떤 영향이 있을까요?"

Journal Prompts

내가 속한 가장 동질적인 집단에 대해 설명하고, 그 안에서 느끼는 장단점을 적어보세요.

우리 사회의 문화적 동질성이 미래에 어떤 변화를 겪게 될지 예측해 보세요.

나와 전혀 이질적인 사람과 친구가 되었던 경험을 통해 동질성의 의미를 고찰해 보세요.

인터넷 알고리즘이 우리를 동질적인 정보의 방에 가두고 있다는 주장에 대해 어떻게 생각하시나요?

성공적인 팀을 만들기 위해 구성원들이 어느 정도 동질적이어야 한다고 생각하는지 논하세요.

Frequently Asked Questions

10 questions

No, it's not natural. For physical appearance, use '닮았다' or '비슷하게 생겼다'. '동질적이다' is for abstract qualities or compositions.

It is neutral. However, in modern contexts, '지나치게 동질적' (excessively homogeneous) can have a negative nuance, implying a lack of diversity.

The most common are '집단' (group), '사회' (society), and '문화' (culture).

Use '동질성' (同質性). For example, '문화적 동질성' (cultural homogeneity).

Yes, it's perfect for describing homogeneous mixtures or materials with consistent properties.

'비슷하다' is general and casual. '동질적' is formal and specifically refers to the nature or essence of a group.

Yes, '동질화하다' (to homogenize) or '동질화되다' (to be homogenized).

Only in a technical sense (e.g., a homogeneous mixture of ingredients). You wouldn't use it to say two dishes taste the same.

It's pronounced like 'jeel' with a tense 'j' sound and a clear 'l' at the bottom.

Yes, it frequently appears in TOPIK II (Level 5 and 6) reading and listening sections, especially in sociological topics.