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B1 noun #2,500 सबसे आम 7 मिनट पढ़ने का समय

〜界

At the A1 level, you don't need to worry about the suffix '〜界' yet. Instead, you should focus on the full word 世界 (sekai), which means 'world.' You might hear it in simple sentences like 'The world is big' (世界は広いです). At this stage, think of 'kai' as just a part of the word for 'world.' You might also see it in very basic anime terms like 'Isekai' (another world), but for now, just remember that 'kai' has something to do with a 'world' or a 'place.' You don't need to use it to build your own words yet. Just recognize it when you see the kanji 界, which looks like a field (田) with a boundary.
At the A2 level, you start to see 〜界 appearing at the end of some common words. The most important one is 自然界 (shizen-kai), which means 'the natural world.' You might also learn 人間界 (ningen-kai), meaning 'the human world,' often used in stories to distinguish humans from animals or monsters. At this level, you should understand that adding '〜界' to a noun makes it mean 'the world of [that noun].' It's like a label for a big group. You don't need to use it in complex ways, but you should be able to recognize it in simple readings about nature or society.
At the B1 level, 〜界 becomes a very useful tool for your vocabulary. This is where you learn to talk about specific social circles and professional fields. Common terms include 芸能界 (geinō-kai) for show business and スポーツ界 (supōtsu-kai) for the world of sports. You should start using these terms when discussing your interests or the news. For example, if you like movies, you might talk about the 映画界 (eiga-kai). You should also understand that '〜界' refers to the whole community of people and the culture involved in that field, not just the business side.
At the B2 level, you should be comfortable using 〜界 to describe more abstract or specialized fields. You will encounter terms like 政界 (seikai - politics), 経済界 (keizai-kai - economy), and 学術界 (gakujutsu-kai - academia). You should also be able to distinguish between 〜界 and 〜業界 (industry). For instance, you can explain that IT業界 refers to the companies, while IT界 might refer to the broader culture of technology. You can use these terms to write more formal essays or participate in debates about social issues.
At the C1 level, you will use 〜界 with very specific and formal terminology. You'll hear terms like 法曹界 (hōsō-kai) for the legal profession, 財界 (zaikai) for the world of high finance and big business leaders, and 画壇 (gadan) or 美術界 (bijutsu-kai) for the art world. You should understand the historical and cultural nuances of these terms. For example, 角界 (kakkai) is a specialized term for the Sumo world. Using these specific 'kai' words correctly shows a high level of cultural literacy and professional Japanese ability. You should also be able to use the suffix creatively to describe niche communities.
At the C2 level, you master the philosophical and nuanced applications of 〜界. You can discuss the Buddhist origins of the term, such as the 三界 (sangai), and how this concept of 'realms' influences Japanese thought on boundaries and social belonging. You can use the suffix to create or understand highly abstract concepts in literature or philosophy, such as 精神界 (seishin-kai - the spiritual/mental realm) or 現象界 (genshō-kai - the world of phenomena). At this level, you recognize the subtle difference in tone between using 〜界, 〜圏, and 〜領域, and you can choose the one that perfectly fits the desired level of formality and abstraction.
इसका अभ्यास करें उदाहरण नोट्स और सुझाव

〜界 30 सेकंड में

  • A suffix meaning 'world' or 'realm' for specific fields.
  • Used for social circles (芸能界), nature (自然界), and fantasy (異世界).
  • Broader than 'industry' (業界), including culture and people.
  • Essential for news, business, and discussing hobbies formally.

The suffix 〜界 (kai) is a cornerstone of Japanese categorization, functioning as a conceptual container that defines a specific 'world,' 'realm,' or 'sphere' of activity, existence, or influence. Etymologically, the kanji 界 consists of the 'field' radical (田) and a phonetic component (介) meaning 'to mediate' or 'boundary.' Historically, its roots are deeply embedded in Buddhist cosmology, where it was used to describe the Sangai (Three Realms of Existence): the Realm of Desire, the Realm of Form, and the Realm of Formlessness. In modern Japanese, this expansive history has distilled into a versatile suffix that identifies a particular social, professional, or natural circle.

The Concept of 'Circles'
Unlike the English word 'industry' which focuses on commerce, 〜界 refers to the entire community, including its culture, people, and unspoken rules. For example, 芸能界 (geinō-kai) isn't just the 'entertainment business'; it is the 'world of entertainment' encompassing the stars, the scandals, and the history.
Natural vs. Social Boundaries
It is used to distinguish between the human world and the natural or supernatural. 自然界 (shizen-kai) refers to the natural world as an entity separate from human civilization. In fiction, you often see 魔界 (ma-kai) for the demon realm or 異世界 (isekai) for 'another world.'

「彼は政界の階段を駆け上がった。」 (He rushed up the ladder of the political world.)

Example of political sphere usage.

In academic and scientific contexts, 〜界 serves as a taxonomic rank. In biology, it translates to 'Kingdom' (e.g., 動物界 - Animal Kingdom). This illustrates the word's ability to scale from the microscopic to the cosmic. Whether discussing the 'world of fungi' or the 'world of high finance,' the suffix provides a sense of totality and structural order. It suggests that the subject is not just a collection of items, but a functioning system with its own internal logic. This is why it is so prevalent in news reporting; it allows journalists to quickly categorize events as belonging to the 経済界 (economic world) or スポーツ界 (sports world), signaling to the audience which 'rules' of society are currently in play.

Using 〜界 correctly requires understanding its role as a productive suffix. It almost always attaches directly to a noun that defines a field or category. Unlike 'world' in English, which can stand alone, 界 is rarely used in isolation unless referring to the concept of boundaries in a philosophical sense. Most commonly, it creates a compound noun that functions as a single unit.

Grammar Rule: [Noun] + 界
The preceding noun must be a category. 学術 (Academia) + 界 = 学術界 (The academic world). Note that there is no 'no' (の) particle between the noun and the suffix.
Specific vs. General
Use 世界 (sekai) for the literal planet Earth or the 'entire world.' Use 〜界 for specific sub-sections. You wouldn't say 'Japan-kai' to mean the country of Japan; you would say 日本界 only if you were referring to a metaphorical 'Japanese circle' in a very specific context.

「そのニュースはIT界に衝撃を与えた。」

(That news sent shockwaves through the IT world.)

When describing someone's status within a field, 〜界 is often paired with words like 重鎮 (jūchin - heavyweight/authority) or 第一人者 (dai-ichininsha - leading figure). For example, 「彼は料理界の重鎮だ」 (He is a heavyweight in the culinary world). This highlights that the 'world' being discussed has a hierarchy and a social structure. Furthermore, it is important to distinguish 〜界 from 〜業界 (gyōkai). While 業界 specifically refers to the business and industrial side (the 'industry'), 〜界 is broader, including the culture, the fans, and the abstract essence of the field.

You will encounter 〜界 in a variety of registers, from the highly formal to the fantastical. Its most frequent appearance is in news media, particularly in the 'Society' or 'Business' sections. News anchors often use terms like 政界 (seikai - political world) and 財界 (zaikai - financial circles) to discuss the movements of powerful individuals and organizations.

Entertainment & Pop Culture
In variety shows and tabloids, 芸能界 (geinō-kai) is the standard term for show business. You'll hear phrases like 「芸能界デビュー」 (debuting in the entertainment world). In sports broadcasting, 球界 (kyūkai) specifically refers to the world of baseball, while 角界 (kakkai) refers exclusively to the world of Sumo.
Anime and Manga (Fantasy)
The suffix is a staple of the 'Isekai' genre. 異世界 (Isekai) literally means 'different world.' You will also hear 天界 (tenkai - heavenly realm), 冥界 (meikai - underworld), and 人間界 (ningen-kai - human world). These terms help establish the setting's cosmology.

「角界のしきたりは非常に厳しい。」

(The traditions of the Sumo world are extremely strict.)

In academic lectures, professors might use 学界 (gakkai) to refer to the 'academic community' or 'the world of scholarship.' This is slightly different from 学会 (gakkai - same pronunciation but different kanji), which refers to a specific academic society or conference. The use of 〜界 elevates the subject, suggesting it is a vast, self-contained universe of knowledge or activity. Even in casual conversation, a hobbyist might refer to the 「〇〇界」 of their specific interest, such as the キャンプ界 (camping world) or サウナ界 (sauna world), to denote the community of enthusiasts.

While 〜界 is a versatile suffix, learners often struggle with its nuance compared to other 'world' or 'area' related words. The most common error is using it as a direct translation for the English word 'world' in every context.

Mistake 1: Confusing 〜界 with 〜業界
Learners often say 「IT界で働いています」 when they should say 「IT業界 (gyōkai) で働いています」. Gyōkai is for the business/industry side. Kai is for the broader social/cultural sphere. If you are talking about your job, gyōkai is usually the better choice.
Mistake 2: Over-application to Physical Spaces
You cannot use 〜界 for a room, a building, or a city. For example, 「学校界」 (school world) is incorrect if you mean 'inside the school building.' Use 「校内」 or 「学校の中」. 教育界 (educational world) is correct because it refers to the conceptual field of education.

❌ 「この料理界はおいしい匂いがする。」 (This culinary world smells delicious.)

✅ 「このキッチンはおいしい匂いがする。」 (This kitchen smells delicious.)

Another subtle mistake is the confusion between 世界 (sekai) and 〜界. 世界 is a noun that stands alone to mean 'the world.' 〜界 is a suffix. You cannot say 「界は広い」 (The world is wide); you must say 「世界は広い」. Conversely, you don't usually say 「芸能世界」; the standard idiomatic expression is 「芸能界」. Memorizing these as fixed compounds is the most effective way to avoid unnatural phrasing.

To master 〜界, one must understand its neighbors in the Japanese lexicon. Several words share the meaning of 'area,' 'world,' or 'circle,' but they are used in distinct contexts.

1. 業界 (Gyōkai) - Industry
As mentioned, this is strictly for business. 自動車業界 (Automobile industry) refers to the manufacturers, sales, and corporate entities. 自動車界 would sound more like the 'world of cars' including car enthusiasts and racing culture.
2. 圏 (Ken) - Sphere / Zone
This refers to a range or a radius. 首都圏 (Metropolitan area) or 英語圏 (English-speaking world/sphere). 圏 is more about geographical or linguistic reach, whereas 界 is about social or conceptual identity.
3. 社会 (Shakai) - Society
This refers to the organized human community. 国際社会 (International society). While 〜界 can be a 'society' of sorts, 社会 implies a more formal structure with citizens and laws.

「彼は英語圏での生活に慣れている。」

(He is used to living in the English-speaking sphere.)

Finally, consider 域 (iki), which means 'region' or 'level.' It is used in 領域 (ryōiki - domain/field). While 領域 and 〜界 are close, 領域 is often used for academic disciplines or territories of expertise (e.g., 'the domain of science'), whereas 〜界 feels more like a living, breathing community. Choosing between them depends on whether you want to sound technical (領域) or descriptive of a social reality (〜界).

How Formal Is It?

औपचारिक

""

अनौपचारिक

""

कठिनाई स्तर

ज़रूरी व्याकरण

स्तर के अनुसार उदाहरण

1

世界はとても広いです。

The world is very wide.

世界 (sekai) is the full noun for world.

2

この世界にはいろいろな人がいます。

There are various people in this world.

Uses 'kono' to specify 'this world'.

3

魚の世界は海の中にあります。

The world of fish is in the sea.

Noun + no + Noun structure.

4

私の世界は小さいです。

My world is small.

Metaphorical use of world.

5

新しい世界に行きたいです。

I want to go to a new world.

Adjective + Noun.

6

世界の料理を食べます。

I eat food from around the world.

Possessive 'no'.

7

ここはどこですか？別の世界ですか？

Where is this? Is it another world?

Question form.

8

世界で一番高い山はエベレストです。

The highest mountain in the world is Everest.

Superlative 'de ichiban'.

1

自然界には不思議なことがたくさんあります。

There are many mysterious things in the natural world.

自然界 (shizen-kai) = natural world.

2

人間界のルールを守ってください。

Please follow the rules of the human world.

人間界 (ningen-kai) = human world.

3

虫の世界を観察しましょう。

Let's observe the world of insects.

Simple compound.

4

彼はアニメの世界が大好きです。

He loves the world of anime.

Using a hobby with 'sekai'.

5

魔法の世界へようこそ。

Welcome to the world of magic.

Fantasy context.

6

動物界の王様はライオンです。

The king of the animal kingdom is the lion.

動物界 (dōbutsu-kai) = animal kingdom.

7

植物界について勉強します。

I will study about the plant kingdom.

Scientific categorization.

8

この映画は、おもちゃの世界の話です。

This movie is a story about the world of toys.

Conceptual world.

1

彼女は芸能界で有名になりたいと思っています。

She wants to become famous in the entertainment world.

芸能界 (geinō-kai) is the standard term for show business.

2

スポーツ界では、新しい記録が生まれました。

In the sports world, a new record was set.

スポーツ界 (supōtsu-kai) covers all sports.

3

彼は料理界のカリスマと呼ばれています。

He is called a charisma in the culinary world.

料理界 (ryōri-kai) = culinary world.

4

ファッション界の流行はすぐに変わります。

Trends in the fashion world change quickly.

ファッション界 (fasshon-kai).

5

音楽界には多くの才能ある人がいます。

There are many talented people in the music world.

音楽界 (ongaku-kai).

6

彼はゲーム界でトップのプレイヤーです。

He is a top player in the gaming world.

ゲーム界 (gēmu-kai).

7

IT界の進化は止まりません。

The evolution of the IT world does not stop.

IT界 (ai-tī-kai).

8

文学界で彼の小説が高い評価を受けました。

His novel received high praise in the literary world.

文学界 (bungaku-kai).

1

経済界のリーダーたちが集まって会議を開いた。

Leaders of the economic world gathered and held a meeting.

経済界 (keizai-kai) refers to the business community.

2

政界の不祥事がニュースで大きく取り上げられた。

A scandal in the political world was widely covered in the news.

政界 (seikai) = political world.

3

学術界では、その理論はまだ証明されていない。

In the academic world, that theory has not yet been proven.

学術界 (gakujutsu-kai) = academia.

4

彼は社交界で非常に顔が広い。

He is very well-connected in high society.

社交界 (shakō-kai) = high society/social circles.

5

出版界はデジタル化の波に直面している。

The publishing world is facing a wave of digitalization.

出版界 (shuppan-kai) = publishing world.

6

医学界の発展により、多くの命が救われている。

Many lives are being saved due to developments in the medical world.

医学界 (igaku-kai) = medical world.

7

彼は囲碁界の若き天才として注目されている。

He is gaining attention as a young genius in the world of Go.

Specific niche 'kai'.

8

広告界のクリエイティビティには驚かされる。

I am amazed by the creativity of the advertising world.

広告界 (kōkoku-kai).

1

法曹界における女性の進出が目覚ましい。

The advancement of women in the legal profession is remarkable.

法曹界 (hōsō-kai) refers specifically to judges, prosecutors, and lawyers.

2

財界の重鎮たちが政府に提言を行った。

Heavyweights of the financial world made proposals to the government.

財界 (zaikai) refers to the top tier of the business world.

3

彼は画壇で独自の地位を築き上げた。

He established a unique position for himself in the art world.

画壇 (gadan) is a formal term for the world of painters.

4

角界の伝統を守ることは容易ではない。

It is not easy to protect the traditions of the Sumo world.

角界 (kakkai) is the specific term for Sumo.

5

言論界において、彼の発言は常に影響力を持つ。

In the world of public discourse, his statements always have influence.

言論界 (genron-kai) = world of public opinion/journalism.

6

彼は球界を代表する名選手だ。

He is a legendary player representing the world of baseball.

球界 (kyūkai) specifically refers to baseball.

7

宗教界の対立を解消するのは難しい。

It is difficult to resolve conflicts within the religious world.

宗教界 (shūkyō-kai).

8

彼は実業界で大成功を収めた。

He achieved great success in the business world.

実業界 (jitsugyō-kai) = business world (practical side).

1

現象界の背後にある真理を追究する。

To pursue the truth behind the world of phenomena.

現象界 (genshō-kai) is a philosophical term for the observable world.

2

三界は火宅の如しという仏教の教えがある。

There is a Buddhist teaching that the 'Three Realms are like a burning house.'

三界 (sangai) refers to the three realms of existence.

3

精神界の深淵に触れるような体験だった。

It was an experience that felt like touching the abyss of the spiritual realm.

精神界 (seishin-kai) = spiritual/mental realm.

4

彼は俳壇の長老として尊敬を集めている。

He is respected as an elder in the world of haiku poetry.

俳壇 (haidan) = the haiku world.

5

科学界のパラダイムシフトが起ころうとしている。

A paradigm shift in the scientific world is about to occur.

科学界 (kagaku-kai).

6

彼は論壇の寵児としてもてはやされた。

He was celebrated as the darling of the world of intellectual debate.

論壇 (rondan) = the world of criticism/intellectual debate.

7

魔界の王が人間界に侵攻を開始した。

The King of the Demon Realm began an invasion of the Human Realm.

Contrast between 魔界 and 人間界.

8

彼は棋界の歴史を塗り替える快挙を成し遂げた。

He achieved a feat that rewrote the history of the world of Shogi/Go.

棋界 (kikai) = world of board games like Shogi or Go.

सामान्य शब्द संयोजन

芸能界に入る
政界を引退する
経済界の重鎮
自然界の法則
スポーツ界のスター
学術界の権威
ファッション界の流行
料理界の巨匠
IT界の革命
異世界に転生する

सामान्य वाक्यांश

芸能界デビュー

政界進出

自然界の厳しさ

スポーツ界の不祥事

IT界の動向

経済界の展望

学術界の定説

社交界の華

美術界の巨星

出版界の不況

अक्सर इससे भ्रम होता है

〜界 vs 業界 (gyōkai)

Gyokai is business-focused; Kai is culture/community-focused.

〜界 vs 世界 (sekai)

Sekai is the whole world; Kai is a sub-section suffix.

〜界 vs 領域 (ryōiki)

Ryoiki is a technical domain; Kai is a social realm.

मुहावरे और अभिव्यक्तियाँ

""

""

""

""

""

""

""

""

""

""

आसानी से भ्रमित होने वाले

〜界 vs 学会 (gakkai)

〜界 vs 界隈 (kaiwai)

〜界 vs 視界 (shikai)

〜界 vs 下界 (gekai)

〜界 vs 分界 (bunkai)

वाक्य संरचनाएँ

इसे कैसे इस्तेमाल करें

Nuance

〜界 implies a community of people, whereas 〜分野 (bunya) implies a field of study or expertise.

Frequency

Extremely high in news and formal writing.

सामान्य गलतियाँ

सुझाव

Suffix Power

Remember that 〜界 is a suffix. You don't need the particle 'no' before it. Just attach it directly to the category noun.

The Sumo World

If you talk about Sumo, always use 'Kakkai' (角界). It makes you sound like an expert on Japanese culture.

Kai vs. Gyokai

Use 'Gyokai' when talking about money, jobs, and companies. Use 'Kai' when talking about the people, the fame, and the culture.

Anime Terms

Terms like 'Tenkai' (Heaven) and 'Meikai' (Underworld) are essential for understanding fantasy anime and manga.

News Keywords

Pay attention to 'Seikai' (Politics) and 'Keizai-kai' (Economy) in news headlines to quickly grasp the subject.

Academia

In university settings, 'Gakkai' (学界) refers to the whole world of researchers in your field.

Compound Nouns

When writing, treat the compound (Noun + 界) as a single word. Don't put spaces or particles in the middle.

Kanji Recognition

The kanji 界 has 'field' (田) on top. Think of it as a fenced-in field representing a specific world.

Social Circles

Use 'Shako-kai' (社交界) to refer to high society or formal social circles of the elite.

Biological Kingdom

If you are studying biology in Japanese, 'kai' is the word for 'Kingdom' in the hierarchy of life.

याद करें

शब्द की उत्पत्ति

Middle Chinese derivation.

सांस्कृतिक संदर्भ

The term 'Kakkai' (角界) is used exclusively for Sumo, highlighting its special status in Japanese culture.

The 'Isekai' (異世界) genre is a massive part of modern Japanese pop culture, showing the fascination with crossing boundaries between worlds.

The 'Zaikai' (財界) refers to the powerful group of business leaders who often influence government policy.

असल ज़िंदगी में अभ्यास करें

वास्तविक संदर्भ

बातचीत की शुरुआत

"芸能界のニュースで何か面白いことはありましたか？"

"将来、どんな業界（または〜界）で働きたいですか？"

"スポーツ界で今一番注目している選手は誰ですか？"

"もし異世界に行けるとしたら、どんな世界がいいですか？"

"日本のIT界の現状についてどう思いますか？"

डायरी विषय

あなたが一番興味のある「〜界」について書いてください。

「自然界」の美しさについて、あなたの考えを述べてください。

「芸能界」の華やかさと厳しさについてどう思いますか？

自分が新しい「〜界」を作るとしたら、どんな名前にしますか？

「人間界」のルールで、変えたいと思うものはありますか？

अक्सर पूछे जाने वाले सवाल

10 सवाल

Mostly yes, but it sounds best with established fields like 'Art,' 'Sports,' or 'Science.' Using it for something like 'Apple-kai' (world of apples) would sound like a joke or a very specific fan club.

芸能界 is the official entertainment world. 芸能界隈 (kaiwai) is a more casual, modern term meaning 'around the entertainment world' or the community surrounding it online.

Yes, it is generally a formal or semi-formal suffix. In very casual speech, people might just use 'no sekai' (the world of...).

You can say 経済界 (keizai-kai) for the economic world or 実業界 (jitsugyo-kai) for the world of business practitioners.

Yes, in biology, it's used for 'Kingdom' (e.g., Animal Kingdom: 動物界).

No, 'Nihon-kai' (日本海) means the Sea of Japan. To say 'the Japanese world,' you would say 'Nihon no sekai' or a more specific term.

It means 'Different World' (i = different, sekai = world). It's a genre where characters travel to a fantasy world.

Rarely. It's almost always a suffix or part of a compound like 'kyokai' (boundary).

It refers to the top business leaders and organizations that influence the country's economy and politics.

Shakai is the general society of citizens. Kai is a specific 'slice' or 'circle' within or outside that society.

खुद को परखो 180 सवाल

/ 180 correct

Perfect score!

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