이 페이지를 내 언어로

English

فارسی

العربية

Deutsch

Español

Français

日本語

Português

中文

हिन्दी

A1 noun #3,593 가장 일반적인 9분 분량

領域

ryōiki 상위 3,593

연습하기 예시 노트와 팁 領域 30초 만에

설명 領域 in your Level:

At the A1 level, you don't need to master the complex academic uses of 領域. Instead, think of it as a 'big word' for 'area.' You might see it in simple signs or hear it in anime. For an A1 student, the most important thing is to recognize the kanji: 領 (territory) and 域 (area). If you see these together, the sentence is talking about a specific space that belongs to someone or something. Imagine a child saying 'This is my side of the room.' In a very formal way, that is their 領域. You can use it simply with the particle 'no,' like 'kuni no ryōiki' (the country's area). Don't worry about using it in your own speech yet; just focus on recognizing it as a formal version of 'place' or 'area.' It's like the difference between saying 'my spot' and 'my designated zone.' Even at this early stage, knowing this word helps you understand that Japanese has different levels of politeness and formality. If you hear a character in a cartoon shout it, they are probably creating a special magic space. This 'magic space' concept is actually a great way to remember the meaning: a space with a clear border that is different from the outside world. Keep it simple: 領域 = special area with a border.

As an A2 learner, you can start to use 領域 in basic sentences related to your interests or studies. You might say 'Watashi no senmon ryōiki wa dizain desu' (My field of expertise is design). This sounds much more professional than just saying 'I like design.' At this level, you should understand that 領域 is used for abstract things, not just physical land. If you are talking about your 'field' in university or your 'department' in a company, this word is very useful. You should also be able to recognize it in news headlines about 'territory' or 'borders.' A2 learners should practice pairing 領域 with the possessive 'no' and simple verbs like 'aru' (to be) or 'shiru' (to know). For example, 'Sono ryōiki wa shirimasen' (I don't know that field). You are beginning to see the difference between 領域 and simple words like 'basho.' While 'basho' is where you meet a friend for coffee, 領域 is the subject you are studying or the land a country owns. It's a step up into more 'adult' Japanese. You might also encounter it in technology settings, like 'disk space' on your phone or computer. Learning this word now prepares you for the more complex social and professional structures you'll describe as you progress to the B levels.

무료 가입하고 전체 설명 읽기

At the B1 level, you should be comfortable using 領域 in a variety of contexts, including business and intermediate academic discussions. You should understand the nuance that 領域 implies a boundary. It's not just a general 'area,' but a 'delimited domain.' You can start using phrases like 'ryōiki o hirogeru' (to expand one's domain) to talk about a company growing or a person learning new skills. You should also be able to distinguish 領域 from 'bun'ya' (field). Remember that while 'bun'ya' is for branches of a subject, 領域 is for the scope or territory of that subject. For instance, in a debate about privacy, you would use 'puraibashii no ryōiki' to describe the 'sphere of privacy.' B1 learners should also be aware of the word's use in formal written Japanese. When reading articles, you will see it used to describe 'unexplored fields' (mitō no ryōiki) or 'cross-disciplinary fields' (kyōkai ryōiki). You should be able to follow a news report about 'territorial waters' (ryōkai) and understand that the 'ryō' comes from the same root as 領域. This is the level where you move from seeing the word as a single unit to understanding its kanji roots and how they combine to form other related territorial words. Your ability to use 領域 correctly will make your Japanese sound much more precise and sophisticated in workplace settings.

무료 가입하고 전체 설명 읽기

B2 learners are expected to use 領域 with precision and understand its metaphorical applications. You should be able to discuss complex topics like 'the domain of the subconscious' (muishiki no ryōiki) or 'the limits of human knowledge' (jinrui no chishiki no ryōiki). At this level, you should be familiar with the various collocations and idiomatic uses, such as 'kindan no ryōiki' (forbidden territory/domain). You can use 領域 to define the scope of a project or the boundaries of a legal jurisdiction. In professional environments, you might use it to clarify responsibilities: 'Kore wa watashi no ryōiki dewa arimasen' (This is not within my domain/responsibility). This is a polite but firm way to set boundaries. You should also be able to recognize and use the word in the context of digital technology and data, such as 'data domains' or 'memory allocation.' Your reading comprehension should allow you to understand high-level essays that use 領域 to describe cultural or social spheres. You should also be sensitive to the register; using 領域 in a very casual chat about where to eat would be seen as a humorous overstatement. At B2, you are not just learning the word; you are learning the 'space' it occupies in the Japanese social and linguistic landscape, allowing you to switch between formal and informal tones with ease.

무료 가입하고 전체 설명 읽기

At the C1 level, your understanding of 領域 should be near-native. You should be able to use it in philosophical, legal, and highly specialized academic contexts. You might discuss the 'territorial integrity' of a nation or the 'epistemological domains' of different scientific disciplines. C1 learners should be able to appreciate the subtle differences between 領域 and other advanced terms like 'han'ni' (scope), 'ken' (sphere), or 'kuiki' (zone). You can use 領域 to describe the 'sacred domain' of a temple or the 'private sphere' in political theory. You should also be able to use it in creative writing or high-level journalism to evoke specific moods—for example, using 'ryōiki' to describe the untouchable aura of a master craftsman. Your mastery of the word includes understanding its historical and etymological weight, recognizing how the concept of 'ryō' (jurisdiction) has evolved from feudal land management to modern digital governance. You should be able to participate in deep discussions about 'territorial disputes' or 'the boundaries of artificial intelligence' without hesitation. At this level, 領域 is a tool for nuance, allowing you to define exactly where one concept ends and another begins. You are also expected to understand the word when it's used in complex compound words or as part of formal legal codes, demonstrating a comprehensive grasp of the word's multifaceted nature.

무료 가입하고 전체 설명 읽기

For a C2 learner, 領域 is a foundational concept used to navigate the most complex layers of Japanese thought. You use it to describe the 'ontological domains' of existence or the 'sovereign spheres' in international law. Your usage is indistinguishable from a highly educated native speaker, employing the word to draw sharp distinctions in abstract theory or high-stakes negotiations. You understand the word's resonance in classical literature as well as its cutting-edge applications in quantum physics or philosophy of mind. At C2, you can analyze the 'ryōiki' of a text—its thematic boundaries and stylistic limits. You are comfortable with the word in all its forms, from the 'territorial waters' of geopolitics to the 'inner domains' of psychological therapy. You can use it to critique the 'overstepping of domains' (ryōiki shinkasu) in corporate mergers or ethical dilemmas. For you, 領域 is not just a vocabulary word; it is a conceptual framework. You can effortlessly switch between its literal, figurative, and technical meanings, often using it to bridge different fields of thought. Whether you are writing a dissertation on 'socio-spatial domains' or negotiating a treaty, 領域 is a word that you use with absolute confidence, precision, and cultural awareness. You are also aware of how the word's meaning might subtly shift in different historical periods of Japanese, giving you a truly diachronic perspective on the language.

무료 가입하고 전체 설명 읽기

연습하기 예시 노트와 팁

領域 30초 만에

A formal noun meaning 'domain,' 'territory,' or 'field' with clear boundaries.
Used for physical land (nations) and abstract areas (science, expertise, privacy).
Composed of kanji for 'jurisdiction' (領) and 'region/limit' (域).
Common in professional, academic, and pop culture (e.g., Jujutsu Kaisen) contexts.

The Japanese word 領域 (りょういき - ryōiki) is a sophisticated noun that serves as a cornerstone for describing boundaries, whether they are physical, intellectual, or metaphorical. At its core, the word is composed of two kanji: 領 (ryō), which carries meanings of 'jurisdiction,' 'command,' or 'territory,' and 域 (iki), which signifies 'region,' 'limits,' or 'level.' Together, they create a term that defines a specific 'sphere' or 'domain.' While an A1 learner might first encounter this in the context of simple physical spaces, its utility expands rapidly into academic, professional, and even supernatural contexts in Japanese media.

Physical Territory: In a geographical or political sense, 領域 refers to the territory or territorial waters of a nation. It is the literal ground or sea over which a power has control.

その国は自国の領域を守るために軍隊を派遣した。(The country dispatched troops to protect its territory.)

Academic and Professional Fields: This is perhaps the most common use in daily adult life. It describes a person's area of expertise or a specific branch of science or art.

彼は量子力学の領域で有名な学者です。(He is a famous scholar in the field of quantum mechanics.)

In modern pop culture, specifically in the anime 'Jujutsu Kaisen,' the term 'Ryōiki Tenkai' (領域展開 - Domain Expansion) has brought this word to international fame. Here, it refers to a character expanding their internal spiritual domain into the physical world. This highlights the word's flexibility in describing 'personal space' or 'internal worlds.' Whether you are discussing the 'territory of a lion' in a nature documentary or the 'domain of artificial intelligence' in a tech blog, 領域 is the go-to formal term. It carries a weight of authority and precision that simpler words like 'basho' (place) or 'tokoro' lack. Understanding this word allows you to navigate professional Japanese environments where defining boundaries of responsibility is crucial.

個人のプライバシーの領域を侵害してはいけない。(One must not infringe upon the domain of personal privacy.)

Psychological Boundaries: It is used to describe mental states or the limits of human understanding and emotion.

それは私の理解の領域を超えている。(That exceeds the domain of my understanding.)

Using 領域 correctly requires understanding its grammatical placement as a noun. It is frequently followed by particles like を (object), に (location/direction), or の (possession/attribute). Because it is a formal word, it is most at home in written reports, news broadcasts, and polite conversation. For A1 and A2 learners, the most accessible way to use it is with the possessive 'no' to describe someone's field.

Structure: [Subject] + の + 領域: This describes who the territory or field belongs to. Examples include 'senmon ryōiki' (specialized field) or 'kuni no ryōiki' (national territory).

デザインは私の専門領域です。(Design is my field of expertise.)

When discussing actions within a field, you use the particle 'ni oite' (in) or simply 'de' (at). However, 'ni oite' is preferred in formal writing to maintain the elevated register of 領域. If you are talking about crossing into someone's space or field, the verb 踏み込む (fumikomu - to step into) or 侵す (okasu - to violate/invade) is commonly paired with it.

科学の領域において、新しい発見があった。(In the field of science, there was a new discovery.)

Common Verb Pairings: 領域を広げる (To expand one's domain), 領域を守る (To protect a territory), 領域を分ける (To divide fields/areas).

会社は新しいビジネスの領域を広げようとしている。(The company is trying to expand its new business domain.)

Another advanced usage involves the concept of 'unexplored territory' (未踏の領域 - mitō no ryōiki). This is used in literature and high-level journalism to describe breakthroughs in technology or human achievements that have never been reached before. It evokes a sense of pioneering spirit. Conversely, 'kindan no ryōiki' (forbidden territory) refers to subjects or places that should not be touched or entered, often used in mystery or fantasy contexts.

その研究は人類にとって未踏の領域だ。(That research is an unexplored territory for humanity.)

Grammar Tip: Plurality: In Japanese, nouns don't change form for plural. To express 'multiple domains,' use context or counters like 'ikutsu ka no' (several).

このプロジェクトは多くの領域にまたがっている。(This project spans across many domains.)

The word 領域 is ubiquitous in Japanese society, but its frequency varies by the environment. If you are watching the NHK news, you will hear it almost daily. It is the standard term for discussing international disputes regarding islands or sea borders (領土・領空・領海 - territory, airspace, and territorial waters). Journalists use it to maintain a neutral, objective tone when reporting on geopolitical tensions.

The Business World: In corporate strategy meetings, executives talk about 'shinki ryōiki' (new domains/markets). This refers to moving the company into a new industry or product category.

我が社はAIの領域に参入します。(Our company will enter the AI domain.)

In the world of academia and research, 領域 is the essential word for categorizing knowledge. At a university, you might hear a professor say 'Kyōkai ryōiki' (interdisciplinary field). This describes a study that sits on the border between two traditional subjects, like biochemistry or digital humanities. It’s a word that scholars use to define the scope of their research and where their authority ends.

この問題は学問の領域を超えている。(This problem goes beyond the field of academia.)

Pop Culture and Anime: As mentioned before, 'Domain Expansion' from Jujutsu Kaisen is a massive cultural touchstone. Characters shout 'Ryōiki Tenkai!' to trap enemies in their personal reality.

領域展開！無量空処！(Domain Expansion! Unlimited Void!)

Finally, you will hear it in IT and computing. A 'memory domain' or 'disk space' can be referred to using 領域. When your computer runs out of space, an error message might mention 'kioku ryōiki' (storage domain/space). This makes the word part of the essential vocabulary for anyone working in tech in Japan. It’s also used in psychology to describe the 'conscious and unconscious domains' (ishiki to muishiki no ryōiki). In summary, 領域 is a word that bridges the gap between the physical map, the professional world, the digital landscape, and the human mind.

ハードディスクの空き領域が足りません。(There is not enough free space on the hard disk.)

Environmental Usage: Nature documentaries use it to describe an animal's territory (nawabari), though 領域 is the more scientific term.

Despite its clear definition, 領域 is often misused by learners who confuse it with similar-sounding or similar-meaning words. The most common pitfall is using 領域 when you should use 場所 (basho - place) or 範囲 (han'ni - range/scope). While all three relate to space, their nuances are distinct.

Mistake 1: Confusing with 'Basho' (Place): Learners often try to use 領域 to describe a simple physical location like a park or a room. 領域 is too formal and 'grand' for this. You wouldn't say 'My favorite 領域 is the library.'

❌ 公園の領域に行きましょう。
✅ 公園に行きましょう。(Let's go to the park.)

Mistake 2 involves the confusion between 領域 and 分野 (bun'ya - field). While they are often interchangeable in academic contexts, 分野 is specifically for 'branches' of study or industries. 領域 is broader and can include physical territory or abstract limits. If you are talking about 'the field of medicine,' 分野 is more natural. If you are talking about 'the boundaries of medical ethics,' 領域 is better.

❌ 彼はスポーツの領域で働いています。
✅ 彼はスポーツの分野で働いています。(He works in the field of sports.)

Mistake 3: Over-relying on the Anime definition: Because of 'Domain Expansion,' many learners think 領域 is a 'cool power word.' Using it in a normal business email to describe your desk space might sound overly dramatic or like you're roleplaying.

私のデスクは私の領域です。(My desk is my domain - sounds like you are defending it from enemies!)

Finally, watch out for the pronunciation. Some beginners confuse it with 'ryōri' (cooking). Saying 'watashi no ryōri' (my cooking) instead of 'watashi no ryōiki' (my domain) will lead to a very different conversation! Also, ensure you don't confuse it with 区域 (kuiki - zone/district), which is used for administrative divisions like a construction zone or a school district. 領域 is much more abstract and grand than 区域.

❌ ここは立入禁止の領域です。
✅ ここは立入禁止区域です。(This is a restricted zone.)

Japanese has a rich vocabulary for 'space' and 'fields.' Choosing the right one depends on whether you are being literal, academic, or administrative. Here is a comparison of 領域 with its closest relatives.

領域 (Ryōiki) vs. 分野 (Bun'ya): 領域 is a 'domain' (includes territory and abstract limits). 分野 is a 'field' (specifically for branches of knowledge or industry). You 'specialize in a 分野' but 'study within a 領域'.

IT分野 (The IT field) vs. 精神領域 (The spiritual domain).

領域 (Ryōiki) vs. 範囲 (Han'ni): 範囲 refers to 'range' or 'scope.' It is often used for things that can be measured or quantified, like a test range or a price range. 領域 is more about the essence of the space itself.

テストの範囲 (The scope of the test) vs. 科学の領域 (The domain of science).

Other alternatives include 領土 (ryōdo), which is strictly for 'territory' in a land sense, and 区域 (kuiki), which is an administrative 'zone.' If you are talking about an animal's territory, you should use 縄張り (nawabari), which has a more 'instinctual' or 'gang-related' nuance. 領域 would be the scientific term for the same concept.

Comparison Table

領域: Formal, abstract, or geopolitical. (Domain)
分野: Academic or industrial branches. (Field)
範囲: Limits or range of something. (Scope)
領土: Physical land territory. (Territory)
縄張り: Personal or animal territory. (Turf)

For computer science, you might also see 空間 (kūkan - space). For example, 'address space' is 'adoresu kūkan.' However, 'memory domain' is 'kioku ryōiki.' The distinction is that 領域 implies a boundary that separates it from other domains, whereas 空間 simply refers to the volume or emptiness of the space itself. Understanding these nuances will help you sound more like a native speaker and less like a dictionary translation.

個人の領域 (Personal domain) vs. 自由な空間 (Free space).

How Formal Is It?

재미있는 사실

Because 'ryō' meant 'collar' and 'shū' meant 'sleeve,' the word 'ryōshū' (領袖) means 'leader'—the person everyone looks to, just like the collar and sleeves are the most visible parts of a robe.

발음 가이드

UK rʲoːiki

US rjoʊiki

Japanese is pitch-accented. Ryōiki typically has a 'Heiban' (flat) or 'Atamadaka' (head-high) pattern depending on the dialect, but in standard Tokyo Japanese, it is generally pronounced with a relatively flat pitch.

라임이 맞는 단어

Kōiki (Wide area) Kuiki (Zone) Taiiki (Bandwidth) Seiki (Century) Heiki (Calmness) Teiki (Regular) Meiki (Clear statement) Keiki (Economy)

자주 하는 실수

Pronouncing 'ryō' as two syllables 'ri-o'. It should be one smooth sound.
Confusing it with 'ryōri' (cooking).
Shortening the long 'ō' in 'ryō'.
Stressing the 'iki' too hard.
Misreading the kanji as 'ryōchi'.

난이도

독해 3/5

Kanji are N2 level, but the word is very common in media.

쓰기 4/5

The kanji 域 and 領 have many strokes and require practice.

말하기 2/5

Pronunciation is straightforward once you master the 'ryō' sound.

듣기 2/5

Easy to recognize in formal contexts or anime.

다음에 무엇을 배울까

선수 학습

場所 (Place) 国 (Country) 分野 (Field) 守る (Protect) 広い (Wide)

다음에 배울 것

主権 (Sovereignty) 境界 (Boundary) 侵害 (Infringement) 専門 (Specialty) 拡張 (Expansion)

고급

領土紛争 (Territorial dispute) 深層心理 (Deep psychology) 不可侵 (Inviolable) 管轄 (Jurisdiction) 排他的経済水域 (Exclusive Economic Zone)

알아야 할 문법

N1 + の + N2 (Possession/Attribute)

科学の領域 (Domain of science)

~における (Formal 'at/in')

この領域におけるリーダー (A leader in this field)

~を侵す (Transitive verb 'to violate')

領域を侵す (To violate a territory)

~を超える (Transitive verb 'to exceed')

領域を超える (To go beyond a domain)

Compound Nouns (Kango + Kango)

専門領域 (Specialized field)

무료 가입하고 전체 설명 읽기

수준별 예문

ここは私の領域です。

This is my area.

Simple [Noun] + [Desu] structure.

その領域は広いです。

That area is wide.

Using an adjective to describe the domain.

これは国の領域です。

This is the country's territory.

Possessive 'no' indicating ownership.

新しい領域を見ます。

I see a new area.

Direct object with 'wo'.

領域の中に入ります。

I go inside the area.

Using 'naka' to specify the interior.

あなたの領域はどこですか？

Where is your area?

Question form with 'doko'.

ここは安全な領域です。

This is a safe area.

Attributive adjective 'anzen-na' modifying the noun.

領域を守ります。

I will protect the territory.

Simple verb 'mamoru' (to protect).

デザインは私の専門領域です。

Design is my field of expertise.

Compound noun 'senmon ryōiki'.

彼は新しい領域に挑戦している。

He is challenging a new field.

Directional particle 'ni' with 'chōsen suru'.

この本は科学の領域についてです。

This book is about the field of science.

'Nitsuite' (about) used with the domain.

動物には自分の領域があります。

Animals have their own territories.

Existence verb 'arimasu' for inanimate objects/concepts.

仕事の領域を決めましょう。

Let's decide the scope of the work.

Volitional form 'kimemashō'.

彼はその領域のプロです。

He is a pro in that field.

Using 'no' to link 'pro' and the field.

プライベートな領域を大切にする。

I value my private domain.

Adjective 'taisetsu-ni suru' (to value).

この領域はまだ分かりません。

I don't understand this field yet.

Negative form 'wakarimasen' with 'mada' (yet).

IT領域での経験が豊富です。

I have extensive experience in the IT domain.

Using 'de no' to indicate experience within a location.

政府は領土と領海を含む領域を警備した。

The government patrolled the territory, including land and sea.

Listing components with 'wo fukumu' (including).

この研究は心理学の領域に属している。

This research belongs to the field of psychology.

Verb 'zokushite iru' (to belong to).

彼は自分の領域を侵されるのを嫌う。

He hates having his territory invaded.

Passive form 'okasareru' used as a noun clause.

新薬の開発は未知の領域だ。

Developing new drugs is an unknown territory.

Compound 'michi no ryōiki' (unknown domain).

プロジェクトの領域を明確にする必要がある。

It is necessary to clarify the scope of the project.

Noun + 'wo meikaku ni suru' (to clarify).

芸術の領域に限界はない。

There are no limits to the domain of art.

Negative existence 'genkai wa nai'.

彼は複数の領域で活躍している。

He is active in multiple fields.

Adverbial 'fukusū no' (multiple).

この問題は法的な領域に関わっている。

This issue involves the legal domain.

Verb 'kakawatte iru' (to be involved/related).

個人のプライバシーの領域を侵害してはならない。

One must not infringe upon the domain of personal privacy.

Formal prohibition '~te wa naranai'.

その技術はすでに実用の領域に達している。

That technology has already reached the domain of practical use.

Verb 'tasshite iru' (to have reached).

彼の理論は学問の領域を超えている。

His theory goes beyond the domain of academia.

Verb 'koete iru' (to exceed/transcend).

意識と無意識の領域を研究する。

To study the domains of the conscious and subconscious.

Coordinating nouns with 'to'.

企業は新しい事業領域を模索している。

The company is exploring new business domains.

Verb 'mosaku suru' (to grope for/explore).

それは私の理解の領域の外にある。

That is outside the domain of my understanding.

Location 'no soto ni aru' (is outside of).

境界領域の研究が注目されている。

Research in interdisciplinary fields is gaining attention.

Compound 'kyōkai ryōiki' (border/interdisciplinary domain).

主権国家としての領域を保全する。

To preserve the territory as a sovereign state.

Formal term 'hozen suru' (to preserve/maintain).

この作品は現実と虚構の領域を彷徨っている。

This work wanders between the domains of reality and fiction.

Literary verb 'samayoite iru' (to wander).

聖なる領域に足を踏み入れる。

To step foot into a sacred domain.

Idiom 'ashi wo fumiireru' (to step into).

情報化社会において、情報の領域は拡大し続けている。

In the information society, the domain of information continues to expand.

Formal 'ni oite' and '~tsuzukete iru'.

それは倫理的な判断が求められる領域だ。

That is a domain where ethical judgment is required.

Passive 'motomerareru' (to be required).

彼は芸術家として独自の領域を築いた。

He built a unique domain as an artist.

Verb 'kizuita' (built/established).

言語学の領域は多岐にわたる。

The field of linguistics spans many diverse areas.

Idiom 'takini wataru' (to be wide-ranging).

その発見は人類にとって未踏の領域を切り開いた。

That discovery opened up an unexplored territory for humanity.

Verb 'kirihiraita' (cleared/opened up).

存在論的な領域における差異を考察する。

To consider differences within the ontological domain.

Highly academic 'kōsatsu suru' (to consider/analyze).

国家の統治権はその領域の全域に及ぶ。

The state's power of governance extends to the entirety of its territory.

Verb 'oyobu' (to reach/extend to).

深層心理の領域に潜む欲望を解明する。

To elucidate the desires lurking in the domain of deep psychology.

Verb 'hisomu' (to lurk) and 'kaimei suru' (to elucidate).

この言説は政治的領域と私的領域の境界を曖昧にしている。

This discourse blurs the boundary between the political and private domains.

Causative-like 'aimai ni shite iru' (making ambiguous).

知の領域を横断する包括的なアプローチが必要だ。

A comprehensive approach that crosses domains of knowledge is necessary.

Verb 'ōdan suru' (to cross/traverse).

神の領域を侵すような行為は慎むべきだ。

One should refrain from actions that seem to infringe upon the domain of God.

Auxiliary 'beki' (should) and verb 'tsutsushimu' (refrain).

デジタル領域における主権の確立が急務となっている。

Establishing sovereignty in the digital domain has become an urgent task.

Noun phrase 'kyūmu to natte iru' (is an urgent matter).

自己と他者の領域が交錯する瞬間にドラマが生まれる。

Drama is born at the moment when the domains of self and others intersect.

Verb 'kōsaku suru' (to intersect/mix).

동의어

分野範囲領土領分区域圏内

반의어

領域外全体

자주 쓰는 조합

専門領域

領土・領海・領空

領域を広げる

領域を侵す

未知の領域

境界領域

記憶領域

禁断の領域

精神領域

領域展開

자주 쓰는 구문

領域を分ける

— To separate or categorize different fields or spaces. It is used when clarifying roles.

仕事とプライベートの領域を分ける。

独自の領域

— A unique domain or niche. Used for artists or companies with a special style.

彼は独自の領域を築いた。

領域を跨ぐ

— To span across multiple domains. Used for interdisciplinary work.

この問題は複数の領域を跨いでいる。

領域を守る

— To protect one's territory or field from outside interference.

自国の領域を守る義務がある。

領域に入る

— To enter a field or territory. Can be literal or metaphorical.

プロの領域に入る。

空き領域

— Free space, specifically in computer storage or physical containers.

ディスクの空き領域を確認する。

公共の領域

— The public sphere or domain. Used in sociology and law.

公共の領域でのマナー。

神の領域

— The realm of God. Often used for things beyond human power or science.

それは神の領域の話だ。

領域を定義する

— To define the boundaries or scope of a field or territory.

研究の領域を定義する。

未踏の領域

— Unexplored territory. Describes a place or subject never reached before.

人類にとって未踏の領域。

자주 혼동되는 단어

領域 vs 分野 (Bun'ya)

Specifically for academic/industrial branches. 領域 is broader.

領域 vs 範囲 (Han'ni)

Refers to range/scope (often numeric). 領域 is the space itself.

領域 vs 区域 (Kuiki)

Refers to administrative zones (construction, school districts).

관용어 및 표현

"土足で踏み込む"

— To intrude rudely into someone's private domain (literally 'stepping in with shoes on').

人のプライベートな領域に土足で踏み込む。

Informal/Criticism

"一線を画す"

— To draw a line; to set oneself apart from a specific domain or group.

彼は他の作家とは一線を画す独自の領域にいる。

Formal

"聖域を設ける"

— To create a 'sanctuary' or a domain that cannot be touched or reformed.

予算削減において、教育は聖域とされた。

Political/Business

"踏み込んではいけない領域"

— A domain one should not enter. Refers to dangerous or sensitive subjects.

それは素人が踏み込んではいけない領域だ。

Neutral

"領域を侵す"

— To infringe or encroach upon someone else's territory or rights.

他国の領域を侵すことは許されない。

Formal

"牙城を崩す"

— To break down someone's stronghold or dominant domain.

王者の領域である牙城を崩す。

Competitive

"専売特許"

— Something that is someone's exclusive domain or specialty (lit. 'monopoly patent').

その技は彼の専売特許のような領域だ。

Neutral

"縄張りを張る"

— To mark out one's turf or territory. More common for animals or gangs.

彼は自分の領域に縄張りを張っている。

Informal

"不可侵の領域"

— An inviolable domain. Something that must not be touched or changed.

個人の良心は不可侵の領域だ。

Formal/Legal

"領域を広げる"

— To expand one's horizons or influence into new fields.

勉強して知識の領域を広げる。

Neutral

혼동하기 쉬운

領域 vs 料理 (Ryōri)

Similar sounds.

Ryōri is 'cooking'; Ryōiki is 'domain.'

私の料理 (my cooking) vs 私の領域 (my domain).

領域 vs 領土 (Ryōdo)

Same first kanji.

Ryōdo is strictly physical land; Ryōiki can be abstract.

国の領土 (land) vs 科学の領域 (science domain).

領域 vs 地域 (Chiiki)

Same second kanji.

Chiiki is a 'region' or 'local area.' Ryōiki is a 'domain' with borders.

この地域 (this region) vs この領域 (this domain).

領域 vs 場所 (Basho)

Both mean 'area/place.'

Basho is general and informal. Ryōiki is specific and formal.

いい場所 (good place) vs 専門の領域 (specialized field).

領域 vs 空間 (Kūkan)

Both relate to space.

Kūkan is 'empty space/volume.' Ryōiki is 'territory/field.'

広い空間 (wide space) vs 芸術の領域 (art domain).

문장 패턴

[Noun]は私の領域です。

料理は私の領域です。

[Noun]の領域を広げる。

知識の領域を広げる。

[Noun]の領域に踏み込む。

他人の領域に踏み込む。

[Noun]における領域を定義する。

プロジェクトにおける領域を定義する。

それは[Noun]の領域を超えている。

それは人間の領域を超えている。

[Noun]という未踏の領域に挑む。

深海という未踏の領域に挑む。

[Noun]の領域を侵害する。

著作権の領域を侵害する。

[Noun]と[Noun]の境界領域が曖昧になる。

生と死の境界領域が曖昧になる。

어휘 가족

명사

領土 (Territory)

領海 (Territorial waters)

領域感 (Sense of territory)

区域 (Zone)

地域 (Region)

동사

領有する (To possess territory)

領土化する (To territorialise)

형용사

領域的な (Territorial)

広域の (Wide-area)

사용법

frequency

High (Academic, News, Business, Sci-fi Anime)

자주 하는 실수

Using 'Ryōiki' for a casual location like a cafe. → Basho (場所)
Ryōiki is too formal and implies a boundary or jurisdiction.
Mispronouncing it as 'Ryōri'. → Ryōiki
Ryōri means cooking. Don't tell your boss 'This is my cooking' when you mean 'This is my field.'
Using 'Ryōiki' for a school district. → Kuiki (区域)
Administrative divisions are 'kuiki,' not 'ryōiki.'
Using 'Ryōiki' for a price range. → Han'ni (範囲)
Numerical ranges are always 'han'ni.'
Writing '域' without the 'earth' radical. → 域
The 'earth' radical is essential for the meaning of 'area/land.'

팁

The Royal Zone

Remember 'RYO' for 'Royal' and 'IKI' for 'Area.' A Royal Area is a Domain.

Using 'Ni Oite'

Pair 'Ryōiki' with 'ni oite' instead of 'de' in essays to sound more professional.

Privacy Boundaries

Use 'puraibashii no ryōiki' when discussing the importance of personal boundaries in Japan.

Ryōiki vs Bun'ya

Use 'Bun'ya' for your major and 'Ryōiki' for the specific scope of your research.

The Earth Radical

The kanji 域 has the earth radical (土) on the left because it originally referred to land territory.

Domain Expansion

Use 'Ryōiki Tenkai' as a hook to remember the word, but don't use it in a business meeting!

Memory Space

If your Japanese phone says 'ryōiki ga tarimasen,' it means you need to delete some photos!

Mental Space

'Shinri-teki ryōiki' is a great term for discussing psychological comfort zones.

Softening the Blow

Saying 'Kore wa watashi no ryōiki dewa arimasen' is a polite way to say 'That's not my job.'

News Keywords

In news about the ocean, 'ryōkai' (territorial waters) uses the same 'ryō' as 'ryōiki'.

암기하기

기억법

Imagine a **RYO**yal (Royal) leader standing in his **IKI** (Area/Zone). The King (Royal) defines his Domain (Ryōiki).

시각적 연상

Picture a glowing blue sphere (the domain) with a sharp, clear edge separating it from a dark background. Inside the sphere are books (knowledge) and a flag (territory).

Word Web

Territory Field Domain Expertise Boundary Scope Jurisdiction Space

챌린지

Try to use 'ryōiki' to describe three different things today: your job/major, a physical room, and a topic you know nothing about (an unknown ryōiki).

어원

The word is a 'kango' (Sino-Japanese word). The kanji 領 originally meant the 'neck' or 'collar' of a garment, which led to the meaning of 'taking hold of' or 'governing.' The kanji 域 originally depicted 'earth' (土) and 'borders/weapons' (或), representing a walled or defended area of land.

원래 의미: A governed or defended region of earth.

Sino-Japanese (Kango)

문화적 맥락

Be careful when using 'ryōiki' in political discussions about disputed islands, as it is a very loaded and formal term.

In English, we might use 'field,' 'domain,' 'territory,' or 'sphere' depending on the context. 'Ryōiki' covers all of these, making it a very versatile word for translators.

Ryōiki Tenkai (Domain Expansion) from Jujutsu Kaisen. The 'Co-prosperity Sphere' (historical context, though using 'ken' instead of 'ryōiki', it's the same concept). NHK News reports on the Senkaku Islands (often mentioning 'ryōkai' and 'ryōiki').

실생활에서 연습하기

실제 사용 상황

Academic Research

研究の領域
学問的領域
境界領域の研究
領域を限定する

Business Strategy

新規事業領域
得意領域
領域を拡大する
市場の領域

Information Technology

記憶領域
空き領域
管理領域
データ領域

Geopolitics

領土の領域
領海と領空
領域の保全
領有権の主張

Personal Boundaries

個人の領域
プライベートな領域
領域を侵害する
心の領域

대화 시작하기

"あなたの専門領域は何ですか？ (What is your field of expertise?)"

"最近、新しい領域の勉強を始めましたか？ (Have you started studying a new field recently?)"

"仕事とプライベートの領域をどうやって分けていますか？ (How do you separate your work and private domains?)"

"AIはどの領域まで進化すると思いますか？ (To what domain do you think AI will evolve?)"

"『領域展開』という言葉をアニメで聞いたことがありますか？ (Have you heard the term 'Domain Expansion' in anime?)"

일기 주제

自分が一番自信を持っている専門領域について書いてください。 (Write about the field of expertise you are most confident in.)

他人に踏み込まれたくない自分の『領域』は何ですか？ (What is your 'domain' that you don't want others to step into?)

将来、どのような新しい領域に挑戦したいですか？ (What kind of new domain do you want to challenge in the future?)

インターネットの普及によって、個人の領域はどう変わったと思いますか？ (How do you think the personal domain has changed with the spread of the internet?)

日本の領土や領域について、ニュースで見たことをまとめてください。 (Summarize what you saw in the news about Japan's territory and domains.)

자주 묻는 질문

10 질문

No, it frequently means 'field of expertise' or 'domain of knowledge' in academic and business contexts.

The words are real, but the phrase was popularized by the anime 'Jujutsu Kaisen.' In real life, you wouldn't say it unless referencing the show.

'Bun'ya' is like a 'branch' of a tree (medicine, history), while 'Ryōiki' is the 'territory' or 'sphere' (the boundaries of medicine).

Only if you want to sound very formal or slightly humorous, as if your room is a sovereign nation.

領 (14 strokes) and 域 (11 strokes). Focus on the 'collar' radical in the first and the 'earth' radical in the second.

Yes, it's used for 'memory domains' or 'disk space' (e.g., kioku ryōiki).

Yes, in a scientific context, an animal's territory is its 'ryōiki.' Casually, people say 'nawabari.'

It means 'unknown territory' or 'unknown domain,' often used for breakthroughs.

Yes, it is typically taught at the N2 level of the JLPT, but its basic meaning is understandable for beginners.

It is 'kyōkai ryōiki' (境界領域), literally 'border domain.'

무료 가입하고 팁과 노트 보기