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B2 noun #6,000 가장 일반적인 9분 분량

実体

jittai 상위 6,000

연습하기 예시 노트와 팁 実体 30초 만에

설명 実体 in your Level:

実体 (jittai) is a very difficult word for beginners. At the A1 level, you don't need to use it. Just know that it means 'a real thing' or 'something you can touch.' If you see it, think of 'real body.' For now, use simple words like 'mono' (thing) or 'hontou' (real). You might see it in simple stories about ghosts where they say 'the ghost has no body' (yuurei wa jittai ga nai). This is the easiest way to remember it: 'jittai' is the physical stuff that makes a thing real. Without it, something is just a shadow or a dream.

무료 가입하고 전체 설명 읽기

At the A2 level, you can start to understand that 実体 (jittai) is used when talking about things that are 'real' versus 'not real.' For example, in a video game, the character you see is just a picture, it has no 'jittai' (physical substance). You can use it to describe why you can't touch a hologram. It's a combination of 'truth' (実) and 'body' (体). If you are reading about companies, you might see 'jittai ga nai' to mean a company that doesn't really do anything. It's a step up from 'hontou,' used for more formal topics.

무료 가입하고 전체 설명 읽기

At B1, you should recognize 実体 (jittai) in news reports and articles. It is often used to describe the 'reality' of a situation. For example, 'The reality of the problem' (mondai no jittai). It's more formal than 'nakami' (contents). You'll hear it when people talk about the 'real economy' (jittai keizai) versus the stock market. When you use this word, you are showing that you are looking deeper than just the surface appearance. It's a great word for discussing social issues or business structures in a more professional way.

무료 가입하고 전체 설명 읽기

At the B2 level, you are expected to use 実体 (jittai) correctly in professional and academic settings. You should understand the nuance of 'substance'—the idea that an organization or a plan must be backed by real action and assets (jittai o tomonau). You can use it to critique ideas that sound good but lack a foundation. It's also useful in discussing technology, like whether an AI has a 'substance' or if it's just processing data. You should be able to distinguish it from 'honshitsu' (essence) and 'shoutai' (identity).

For C1 learners, 実体 (jittai) becomes a tool for philosophical and legal precision. You will encounter it in legal texts (Substantive Law - 実体法) and in high-level literature discussing the nature of existence. You should be comfortable using it to describe complex ontological concepts—for instance, the Buddhist concept of 'non-self' (muga) which denies a permanent 'jittai' to the soul. You can also use it in business strategy to discuss 're-engineering' a company to give it more 'jittai' in a competitive market. It implies a deep, structural reality.

무료 가입하고 전체 설명 읽기

At the C2 level, you master the subtle rhetorical uses of 実体 (jittai). You can use it to deconstruct arguments, pointing out where a policy lacks 'jittai' despite its 'keishiki' (form). You understand its use in advanced physics (the substance of matter) and computer science (instance vs. definition). Your usage reflects an understanding that 'jittai' is not just 'reality,' but the 'self-sustaining existence' of an entity. You can navigate the most complex newspaper editorials that use 'jittai' to describe the hollowed-out nature of modern institutions.

무료 가입하고 전체 설명 읽기

연습하기 예시 노트와 팁

実体 30초 만에

Jittai means 'substance' or 'reality' and is used to describe the true nature of things.
It is a formal word often found in news, law, and philosophy.
It distinguishes between a fake surface (shell) and a real core (substance).
Commonly used in the phrase 'jittai ga nai' to mean something lacks reality.

The Japanese word 実体 (じったい - jittai) is a sophisticated noun used to describe the underlying substance, true nature, or actual existence of an object, concept, or organization. At its core, it distinguishes between what something appears to be on the surface and what it truly is at its foundation. In a world of digital shadows and corporate masks, jittai acts as the anchor to reality. It is composed of two kanji: 実 (jitsu) meaning 'truth' or 'reality,' and 体 (tai) meaning 'body' or 'form.' Together, they create the concept of a 'real body' or 'substantive entity.'

Philosophical Substance: In philosophical contexts, jittai refers to the 'substance' that exists independently of its attributes. It is the permanent reality that remains even when external appearances change. For example, while a person's clothes and hair might change, their jittai as a human being remains constant.
Corporate and Legal Entity: In the business world, jittai is used to discuss whether a company actually has physical operations, employees, and assets. A 'paper company' is often described as having no jittai (実体がない), meaning it exists only on paper for tax or legal reasons but lacks a real-world presence.
The Essence of a Problem: When analyzing complex social issues, experts often seek to grasp the jittai of the problem. This means looking past the symptoms or the media portrayal to understand the fundamental cause and the actual scale of the situation.

噂ばかりが先行して、事件の実体が掴めない。(Uwasa bakari ga senkou shite, jiken no jittai ga tsukamenai.)
— Rumors are getting ahead of everything, and we can't grasp the true nature of the incident.

Understanding jittai requires recognizing the dichotomy between 形式 (keishiki - form/formality) and 実体 (substance). A ceremony might have the perfect keishiki, but if the participants don't feel any genuine emotion, one might say it lacks jittai. This word is frequently paired with verbs like tsukamu (to grasp), abaku (to reveal), and tomonau (to accompany/be accompanied by).

その計画には実体が伴っていない。(Sono keikaku ni wa jittai ga tomonatte inai.)
— That plan is not backed by substance (it's just talk).

Economic Context: The term 実体経済 (jittai keizai) refers to the 'real economy'—the part of the economy concerned with actually producing goods and services, as opposed to the financial economy (stocks, bonds, speculation).

幽霊には実体がないとされる。(Yuurei ni wa jittai ga nai to sareru.)
— Ghosts are said to have no physical substance.

In modern technology, jittai is often used in discussions about Virtual Reality (VR) and Artificial Intelligence. We ask: Does a digital avatar have a jittai? While it lacks a physical body, its influence on the real world might give it a 'social substance.' This word pushes the speaker to consider the weight and truth of what they are discussing.

このソフトは、プログラムの実体を隠している。(Kono sofuto wa, puroguramu no jittai o kakushite iru.)
— This software hides the true nature of the program (often used in cybersecurity).

Using 実体 (jittai) correctly involves understanding its role as a formal noun that often anchors abstract discussions to reality. It is rarely used in casual daily conversation about mundane objects (you wouldn't call a chair's substance jittai unless you were a philosopher), but it is essential for professional, academic, and analytical Japanese. Here is how you can weave it into various sentence structures.

Describing Absence of Substance: The most common pattern is [Noun] + には実体がない. This implies that something is an illusion, a facade, or lacks a physical presence. It is used for ghosts, empty promises, or shell companies.

彼の言葉には実体がなく、空虚に響いた。(Kare no kotoba ni wa jittai ga naku, kuukyo ni hibiita.)
— His words had no substance and sounded hollow.

Grasping the Reality: Use the verb tsukamu (to grab/grasp) to indicate understanding the true nature of a complex situation. 実体を掴む (jittai o tsukamu) is a standard colocation in investigative reporting and research.

警察は、その犯罪組織の実体を解明しようとしている。(Keisatsu wa, sono hanzai soshiki no jittai o kaimei shiyou to shite iru.)
— The police are trying to clarify the true nature of that criminal organization.

それは実体のある恐怖だった。(Sore wa jittai no aru kyoufu datta.)
— That was a fear with a real substance (not just an imagined one).

Matching Reality with Form: The phrase 実体を伴う (jittai o tomonau) is used when an idea or a title is actually backed by action or reality. If a leader has a title but no power, they don't have jittai.

名前だけの役職ではなく、実体を伴う責任を与えてほしい。(Namae dake no yakushoku de wa naku, jittai o tomonau sekinin o ataete hoshii.)
— I want you to give me responsibility that has substance, not just a title in name only.

In scientific writing, jittai might refer to the actual particle or physical body being studied. For instance, in physics, one might discuss the jittai of light (is it a wave or a particle?). In software engineering, an 'instance' of a class is sometimes described as the jittai of the object-oriented code.

この統計データは社会の実体を反映していない。(Kono toukei deeta wa shakai no jittai o han'ei shite inai.)
— This statistical data does not reflect the reality of society.

If you are watching Japanese news, reading business journals, or listening to political debates, 実体 (jittai) will appear frequently. It is a word of 'investigation' and 'unmasking.' Here are the specific domains where you are most likely to encounter it.

Investigative Journalism (報道 - Houdou): News anchors often use jittai when reporting on 'dark' industries or scams. Phrases like 'uncovering the true nature of the scam group' (詐欺グループの実体を暴く) are very common. It adds a sense of gravity and depth to the report.

潜入取材によって、ブラック企業の実体が明らかになった。(Sennyuu shuzai ni yotte, burakku kigyou no jittai ga akiraka ni natta.)
— Through undercover reporting, the true nature of the 'black company' (exploitative company) was revealed.

Economic Analysis (経済分析 - Keizai Bunseki): Economists use jittai to talk about the 'Real Economy' (実体経済). They compare the stock market's performance (which might be a bubble) with the jittai of people's actual spending and manufacturing output.

Legal and Administrative Documents: In law, jittai-hou (実体法) refers to 'Substantive Law,' which defines rights and duties, as opposed to 'Procedural Law.' When the government audits a non-profit, they check for katsudou no jittai (the reality of their activities) to ensure they aren't just a front for money laundering.

その法人は活動の実体がないと判断された。(Sono houjin wa katsudou no jittai ga nai to handan sareta.)
— It was judged that the corporation has no actual activities.

In literature and philosophy, jittai is used to discuss the 'Self.' Is there a permanent jittai to the human soul, or is it just a collection of passing thoughts? Buddhist philosophy often argues that all things are ku (empty) and lack a permanent jittai. This makes the word feel very heavy and intellectual.

デカルトは、精神を一つの実体として捉えた。(Dekaruto wa, seishin o hitotsu no jittai toshite toraeta.)
— Descartes viewed the mind as a single substance.

While 実体 (jittai) is a powerful word, learners often confuse it with similar-sounding or similar-meaning terms. Avoiding these pitfalls will make your Japanese sound much more natural and precise.

Mistake 1: Confusing 'Jittai' with 'Jissai' (実際): 実際 (jissai) is an adverb or noun meaning 'actually' or 'in practice.' Use jissai when you want to say 'Actually, I don't like it.' Use jittai when you are talking about the 'substance' of an organization or entity. You cannot say 'Jittai wa, boku wa...'; you must say 'Jissai wa...'

Mistake 2: Confusing 'Jittai' with 'Hontai' (本体): 本体 (hontai) refers to the 'main body' of a physical object, like a game console or a computer tower. If you lose the remote, the TV itself is the hontai. Jittai is for abstract essence or 'existence.' You wouldn't call a Nintendo Switch 'jittai' unless you were discussing its metaphysical existence.

パソコンの本体が壊れた。(The main unit of the PC broke.) [Correct use of Hontai]

Mistake 3: Confusing 'Jittai' with 'Shoutai' (正体): 正体 (shoutai) means 'true colors' or 'true identity.' It is personal. If a superhero takes off their mask, that is their shoutai. Jittai is more about whether something is real or what its structural reality is. You 'reveal' (abaku) a shoutai, but you 'grasp' (tsukamu) a jittai.

Another nuance is that jittai is almost always formal. Using it in a casual conversation about a friend's personality would sound very strange—almost like you are treating your friend like a scientific specimen or a corporate entity. Stick to hontou no sugata (true form) for casual social contexts.

幽霊には実体がない。(Ghosts have no physical substance.) [Correct use of Jittai]

To truly master 実体 (jittai), it helps to see it alongside its synonyms and near-synonyms. Each has a slightly different 'flavor' and context.

本質 (Honshitsu) - Essence: 本質 focuses on the 'core quality' that makes something what it is. If you remove the honshitsu, it's no longer the same thing. Jittai is more about 'actual existence/presence.'
真相 (Shinsou) - The Truth of an Incident: 真相 is specifically for 'the truth behind a mystery or event.' You want to find the shinsou of a murder case. You want to find the jittai of a criminal organization (how it's built/how it exists).
実像 (Jitsuzou) - Real Image: 実像 is often used in optics (real image vs virtual image) or metaphorically to compare a person's media image with their 'real person' image. It focuses on the 'visual' or 'perceived' reality.
中身 (Nakami) - Contents/Inside: 中身 is the casual version. If a box is empty, it has no nakami. If a speech is boring and has no points, it has no nakami. Jittai is the high-level, formal version of this concept.

Here is a quick comparison table to help you choose the right word:

Word	Focus	Typical Usage
Jittai	Existence/Substance	Organizations, Philosophy
Honshitsu	Core Nature	Abstract concepts, Problems
Shoutai	Identity	People, Villains, Mystery
Nakami	Internal Content	Boxes, Conversation, Bags

How Formal Is It?

재미있는 사실

The kanji '実' is also used in 'fruit' (kajitsu) because fruit is the 'realized' or 'solid' result of a flower's growth.

발음 가이드

UK dʒiːtːaɪ

US dʒiːtːaɪ

The stress is even, but the double 't' (sokuon) creates a rhythmic break.

라임이 맞는 단어

Zettai (Absolutely) Kettai (Strange) Rettai (Inferior) Settai (Reception) Gattai (Combination) Ittai (What on earth/One body) Kittai (Rare) Mettai (Seldom)

자주 하는 실수

Pronouncing it as 'jitai' (without the double t), which can mean 'situation' or 'refusal'.
Confusing the pitch accent with 'jitai' (itself).
Over-emphasizing the 'i' in 'ji'.
Failing to pause for the small 'tsu' (っ).
Mixing it up with 'jissai' (actually).

난이도

독해 4/5

Kanji are standard but the concept is abstract. Requires B2 level reading skills.

쓰기 4/5

Writing '実' and '体' is easy, but using them in the correct context is hard.

말하기 5/5

Rarely used in casual speech; hard to find the right natural moment to use it.

듣기 3/5

Common in news and documentaries, so it's easy to hear once you know it.

다음에 무엇을 배울까

선수 학습

本当 (Hontou) 体 (Karada) 実際 (Jissai) 形 (Katachi) 存在 (Sonzai)

다음에 배울 것

本質 (Honshitsu) 概念 (Gainen) 形而上学 (Keijijougaku) 乖離 (Kairi) 形骸化 (Keigaika)

고급

ontological (実体論的) Substantive Law (実体法) Real Economy (実体経済)

알아야 할 문법

Noun + には + Noun + がある/ない

この計画には実体がない。

Noun + を伴う

実体を伴う責任。

Noun + に即して

実体に即した対応。

Noun + を + 暴く/掴む/解明する

実体を暴く。

Noun + としての + Noun

実体としての精神。

무료 가입하고 전체 설명 읽기

수준별 예문

これは実体がない。

This has no physical substance.

Simple subject + particle + noun + nai.

実体はどこですか？

Where is the real body?

Asking for the location of the substance.

実体を見たい。

I want to see the real thing.

Object marker 'o' + verb 'mitai'.

実体は重い。

The substance is heavy.

Describing the property of the substance.

幽霊には実体がない。

Ghosts have no substance.

Using 'ni wa' to indicate the subject of lack.

実体があるプレゼント。

A gift that is a real object.

Noun modification with 'aru'.

実体を知る。

To know the substance.

Simple verb phrase.

実体はこれだ。

This is the substance.

Declarative 'da'.

会社の活動の実体がない。

The company has no actual activities.

Possessive 'no' linking company and activity.

実体のある仕事がしたい。

I want to do work with substance.

Adjectival use of 'jittai no aru'.

その計画には実体がない。

That plan has no substance.

Indicating the plan lacks reality.

彼は実体のない影を追っている。

He is chasing a shadow with no substance.

Relative clause 'jittai no nai'.

実体を掴むのは難しい。

It is hard to grasp the true nature.

Nominalizing the phrase with 'no wa'.

実体経済を学びます。

I will study the real economy.

Compound noun 'jittai keizai'.

この画像には実体がない。

This image has no physical body.

Subject 'image' + 'ni wa' + 'jittai ga nai'.

実体を見て判断する。

Judge by looking at the reality.

Te-form for sequence of actions.

噂の陰に隠れた実体を暴く。

Reveal the reality hidden behind the rumors.

Using 'abaku' (to reveal/expose).

この組織には実体が伴っていない。

This organization is not backed by substance.

Using 'tomonau' (to accompany/back up).

事件の実体を把握する必要がある。

It's necessary to grasp the reality of the incident.

Formal verb 'haaku' (to grasp/understand).

ネットの世界には実体がないものが多い。

There are many things without substance in the internet world.

Broad generalization about the internet.

実体のある議論をしましょう。

Let's have a discussion with substance.

Volitional form 'shimashou'.

その言葉の実体はどこにあるのか。

Where does the substance of those words lie?

Interrogative 'doko ni aru no ka'.

統計だけでは実体が見えてこない。

You can't see the reality just from statistics.

Negative potential 'miete konai'.

彼の実体は誰も知らない。

Nobody knows his true nature.

Formal way to say 'true self'.

実体経済と株価の乖離が激しい。

The gap between the real economy and stock prices is severe.

Using 'kairi' (divergence/gap).

この契約書は、取引の実体を反映していない。

This contract does not reflect the reality of the transaction.

Using 'han'ei' (reflect).

実体を伴わない名誉はいらない。

I don't need honor that isn't backed by substance.

Strong negative 'iranai'.

社会の実体を正確に調査する。

Accurately investigate the reality of society.

Adverb 'seikaku ni'.

その法人は、節税のための実体のない会社だ。

That corporation is a shell company for tax purposes.

Explaining the purpose with 'no tame no'.

実体のある裏付けが必要だ。

Substantial evidence/backing is necessary.

Using 'urazuke' (corroboration/backing).

彼は自分の実体を隠して生きてきた。

He has lived while hiding his true nature.

Te-form for state of being.

実体を持たないデジタル資産の価値を問う。

Question the value of digital assets that have no physical substance.

Using 'mou' (to hold/possess).

仏教では、万物に固定的な実体はないと説く。

Buddhism teaches that nothing in the universe has a fixed substance.

Using 'toku' (to preach/explain).

実体法の規定に基づき、判決が下された。

Based on the provisions of substantive law, a judgment was rendered.

Legal term 'jittai-hou'.

作者は、都会の孤独という実体のないものを描いた。

The author depicted the insubstantial thing called urban loneliness.

Apposition 'to iu'.

この理論は、現象の背後にある実体を解明しようとしている。

This theory attempts to clarify the substance behind the phenomenon.

Using 'haigo' (background/behind).

実体を欠いた形式主義が組織を蝕んでいる。

Formalism lacking substance is eroding the organization.

Using 'kaita' (lacking) and 'mushibamu' (eroding).

彼は、魂を独立した実体として定義した。

He defined the soul as an independent substance.

Using 'teigi' (define).

その政策は、国民生活の実体に即していない。

That policy is not in line with the reality of the citizens' lives.

Using 'ni sokushite inai' (not in line with).

実体のない恐怖に支配されてはならない。

One must not be dominated by insubstantial fear.

Passive potential 'shihai sarete wa naranai'.

デカルト的二元論における思惟する実体について考察する。

Consider the 'thinking substance' in Cartesian dualism.

Academic 'ni okeru' and 'kousatsu'.

バブル経済は、実体を伴わない資産価格の上昇に過ぎない。

A bubble economy is nothing more than a rise in asset prices without substance.

Using 'ni suginai' (nothing more than).

情報の氾濫により、事物の実体を見極めることが困難になっている。

Due to the flood of information, it is becoming difficult to discern the true nature of things.

Using 'mi-kiwameru' (to discern/judge).

このプログラムの各インスタンスは、メモリ上の実体である。

Each instance of this program is a physical entity in memory.

Technical computer science usage.

制度が形骸化し、実体を失っている現状を憂慮する。

I am concerned about the current situation where institutions have become mere shells and lost their substance.

Using 'keigaika' (becoming a mere shell).

実体概念の変遷を歴史哲学の観点から分析する。

Analyze the transition of the concept of substance from the perspective of historical philosophy.

Using 'hensen' (transition/change).

言語は、実体そのものではなく、その象徴に過ぎない。

Language is not the substance itself, but merely its symbol.

Using 'sonomono' (itself).

空の思想は、自性としての実体を否定する。

The philosophy of 'Emptiness' denies substance as a self-nature.

Advanced Buddhist terminology.

동의어

本体本質実状実物真実

반의어

虚像外見仮象

자주 쓰는 조합

実体がない

実体を掴む

実体を伴う

実体経済

実体を暴く

実体を反映する

実体法

実体を隠す

実体を欠く

実体化する

자주 쓰는 구문

実体不明

— Of unknown substance or nature. Used for UFOs or mysterious objects.

実体不明の飛行物体。

実体がない会社

— A company that exists only on paper (shell company).

実体がない会社を利用した詐欺。

実体経済の悪化

— Worsening of the real economy (jobs, production).

実体経済の悪化が深刻だ。

実体のある議論

— A discussion that focuses on real facts and actionable points.

もっと実体のある議論をしよう。

実体を伴わない

— Lacking substance; being just words or a title.

実体を伴わない公約。

実体を解明する

— To clarify the true nature of something complex.

ウイルスの実体を解明する。

実体として存在する

— To exist as a concrete entity.

それは概念ではなく、実体として存在する。

実体をさらけ出す

— To expose the true nature completely.

社会の実体をさらけ出す映画。

実体を問う

— To question the substance or validity of something.

民主主義の実体を問う。

実体を見抜く

— To see through to the true nature of something.

詐欺の実体を見抜く。

자주 혼동되는 단어

実体 vs 実際 (Jissai)

Jissai is an adverb ('actually'); Jittai is a noun ('substance').

実体 vs 事態 (Jitai)

Jitai means 'situation' or 'state of affairs.' Pronounced without the double 't'.

実体 vs 辞退 (Jitai)

Jitai means 'declining' or 'refusing.' Pronounced without the double 't'.

관용어 및 표현

"実体がない"

— To be hollow or illusory; lacking a core reality.

彼の話は実体がない。

Neutral

"実体を伴う"

— To be backed by reality or action.

この計画は実体を伴っている。

Formal

"実体経済の乖離"

— The gap between financial markets and real production.

株価と実体経済の乖離。

Economic

"実体を暴く"

— To strip away the facade and show the truth.

悪事の実体を暴く。

Journalistic

"幽霊の実体"

— A paradoxical phrase used to describe investigating the 'truth' of a ghost.

幽霊の実体を科学で探る。

Neutral

"実体のある恐怖"

— A fear caused by a real, present danger.

それは実体のある恐怖だった。

Literary

"実体を欠く"

— To lack substance; to be superficial.

実体を欠いたセレモニー。

Formal

"実体を捉える"

— To accurately perceive the nature of something.

時代の文化の実体を捉える。

Formal

"実体化"

— The process of making something abstract real.

空想の実体化。

Neutral

"実体なき声"

— A voice without a physical body (disembodied).

暗闇から実体なき声が聞こえる。

Literary

혼동하기 쉬운

実体 vs 本体 (Hontai)

Both involve the 'body' of something.

Hontai is for physical hardware (PC unit); Jittai is for abstract reality or essence.

PCの本体 (Hontai) vs 幽霊の実体 (Jittai).

実体 vs 正体 (Shoutai)

Both refer to a 'true form.'

Shoutai is the secret identity of a person; Jittai is the structural reality of an entity.

スパイの正体 (Shoutai) vs 犯罪組織の実体 (Jittai).

実体 vs 事実 (Jijitsu)

Both involve 'truth.'

Jijitsu is a 'fact' (an event that happened); Jittai is the 'substance' (the thing that exists).

それが起きたのは事実だ (Jijitsu) vs その会社には実体がない (Jittai).

実体 vs 実状 (Jitsujou)

Both mean 'actual state.'

Jitsujou is the 'actual conditions/circumstances'; Jittai is the 'underlying entity/nature.'

現場の実状 (Jitsujou) vs 組織の実体 (Jittai).

実体 vs 実在 (Jitzuzai)

Both mean 'existence.'

Jitsuzai is the verb-like noun for 'existing in reality'; Jittai is the noun for the 'thing that exists.'

神の実在 (Jitsuzai) vs 神という実体 (Jittai).

문장 패턴

[Abstract Noun] の実体を掴む

社会問題の実体を掴む。

実体を伴わない [Noun]

実体を伴わない口約束。

[Noun] を実体として捉える

魂を実体として捉える。

実体経済と [Noun] の乖離

実体経済と株価の乖離。

[Noun] には実体がない

この噂には実体がない。

実体に即した [Noun]

実体に即した解決策。

実体を反映する

現状の実体を反映する。

実体概念の [Noun]

実体概念の歴史。

어휘 가족

명사

実体 (Substance)

実体化 (Materialization)

実体法 (Substantive Law)

実体論 (Ontology)

동사

実体化する (To materialize/embody)

형용사

実体的な (Substantial/Real)

사용법

frequency

Common in professional/intellectual discourse, rare in casual talk.

자주 하는 실수

Using 'jittai' as an adverb. → 実際は (Jissai wa...)
You cannot start a sentence with 'Jittai wa...' to mean 'Actually...'.
Confusing 'jittai' with 'jitai' (situation). → 事態 (Jitai)
The pronunciation is different. 'Jitai' has no pause; 'jittai' has a sharp pause.
Using 'jittai' for chemical substances. → 物質 (Busshitsu)
Chemicals are 'busshitsu.' 'Jittai' is for entities or ontological substance.
Using 'jittai' for the contents of a bag. → 中身 (Nakami)
'Jittai' is too formal and abstract for a physical bag's contents.
Mixing up 'jittai' and 'shoutai'. → 正体 (Shoutai)
Use 'shoutai' for a person's secret identity. Use 'jittai' for an organization's reality.

팁

Use in Business

When evaluating a partner company, use 'jittai' to discuss their actual operations versus their marketing.

Spotting the Difference

Remember: Jittai = Body (体). If you are talking about a physical or structural reality, use Jittai.

The 'Nai' Pattern

The phrase 'jittai ga nai' is extremely versatile. Use it for anything that feels 'fake' or 'hollow'.

Buddhist Nuance

In spiritual contexts, 'jittai' often refers to the 'Self' that Buddhism claims is an illusion.

Academic Tone

Using 'jittai' instead of 'hontou no koto' will immediately raise the level of your Japanese essays.

Double 'T' Alert

Practice the sokuon (っ). Saying 'jitai' instead of 'jittai' is the most common mistake for learners.

News Keywords

Whenever you hear 'jittai,' prepare for an analytical or investigative report.

Visualizing Kanji

The kanji 実 (real) and 体 (body) literally mean 'real body.' This is the perfect literal translation.

Contrast with Form

Always think of 'jittai' as the opposite of 'keishiki' (empty form).

Due Diligence

In finance, 'jittai chousa' means a substantive investigation into a company's health.

암기하기

기억법

Imagine a 'Real' (実) 'Body' (体) standing in front of you. It's not a ghost; it's a 'Jittai.'

시각적 연상

Visualize a hollow shell of a company being filled with real gold bars. The gold bars are the 'jittai.'

Word Web

Reality Substance Entity Body Truth Physical Core Essence

챌린지

Try to find three things in your room that have 'jittai' and one thing (like a shadow or a reflection) that has no 'jittai.' Describe them in Japanese.

어원

Composed of Chinese-derived kanji (Sino-Japanese). '実' (Jitsu) comes from the character for a house with a string of coins inside, meaning 'full' or 'real.' '体' (Tai) comes from the character for 'person' and 'root/origin,' meaning 'body' or 'structure.'

원래 의미: A real body or a physical form that is not an illusion.

Sino-Japanese (Kango).

문화적 맥락

No specific sensitivities, but using it for a person's character can sound overly clinical or cold.

In English, 'substance' can mean a chemical or the importance of a speech. 'Jittai' is closer to 'physical entity' or 'metaphysical substance.'

Used in translations of Spinoza and Descartes. Common in 'Ghost in the Shell' style sci-fi discussions. Frequent in NHK investigative documentaries.

실생활에서 연습하기

실제 사용 상황

Business Audit

活動の実体
実体のある取引
ペーパーカンパニー
実体審査

Philosophy Class

独立した実体
実体と属性
デカルトの実体
実体概念

Crime News

組織の実体
実体を暴く
実体不明の人物
犯行の実体

Science/Technology

物理的実体
実体化する
メモリ上の実体
デジタル実体

Social Analysis

社会の実体
実体経済
格差の実体
生活の実体

대화 시작하기

"最近の経済ニュースで、実体経済と株価の差についてどう思いますか？"

"幽霊に実体があるとしたら、どんな素材だと思いますか？"

"メタバースの中の自分には、実体があると言えるでしょうか？"

"実体を伴わない言葉ばかりの政治家に、何を期待しますか？"

"あなたの仕事で、一番「実体」を感じる瞬間はいつですか？"

일기 주제

「実体のある幸せ」とは、あなたにとってどのようなものですか？具体的に書いてください。

ネット上の人間関係に「実体」はあると思いますか？自分の経験をもとに考察してください。

自分が最近「実体がない」と感じた社会現象について、その理由を詳しく説明してください。

「形」はあるけれど「実体」がないものについて、リストアップして感想を述べてください。

もし自分が実体のない存在（透明人間や幽霊）になったら、何をしてみたいですか？

자주 묻는 질문

10 질문

It sounds very formal and cold. It's better to use 'hontou no sugata' (true form) or 'honshitsu' (essence). Using 'jittai' for a person makes them sound like a biological specimen or a legal entity.

Partially. It covers 'substance' in a philosophical or legal sense. However, it does not mean 'a chemical substance' (use 'busshitsu' for that) or 'the substance of a speech' (use 'naiyou' or 'nakami').

It refers to the 'Real Economy'—the buying and selling of actual goods and services. It is often contrasted with the financial economy or stock market speculation.

Imagine there is a tiny 't' at the end of 'ji.' You hold your breath for a split second before releasing the 'tai' sound. JI-(pause)-TAI.

Yes, it's very common to say 'yuurei ni wa jittai ga nai' (ghosts have no physical substance). It's one of the easiest ways to understand the word.

It's a legal term meaning 'Substantive Law.' It refers to the laws that define rights and obligations, like the Civil Code or Criminal Code.

It's common in serious contexts like news, business, and books. You won't hear it much at a party or while shopping.

Jittai is about 'presence/existence' (Is it there? What is its body?). Honshitsu is about 'quality/nature' (What is its core meaning?).

Yes! This means 'a plan with substance' or 'a realistic plan backed by action.' It's a very professional expression.

Yes, to refer to the actual physical entity being studied, such as the 'substance of a particle' or 'the physical reality of a phenomenon.'

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