At the A1 level, you don't need to use '変動' (hendo) often, but you might see it on price tags or news snippets. Think of it as 'up and down'. When you see '価格変動' (kakaku hendo), just remember it means 'the price might change'. It is like a roller coaster for numbers. In simple terms, if you have 100 yen today and 120 yen tomorrow, that is a small 'hendo'. It is a formal word, so for now, just recognize that it involves numbers or levels changing. You can associate it with the English word 'variation'.
For A2 learners, '変動' starts appearing in more structured contexts like weather reports or basic economic news. You should understand that it's a noun. For example, 'kion no hendo' means the temperature is going up and down. You might use it to explain why you are wearing a jacket today but didn't yesterday. It's more specific than 'henka' (change). While 'henka' is a general word, 'hendo' is used for things that move within a range. Try to remember the phrase 'hendo-suru' (to fluctuate) as a useful verb for describing the world around you.
At the B1 level, you should begin using '変動' in your own writing and speaking, especially when discussing trends or data. You will encounter it in compound words like '変動金利' (variable interest rate) when talking about banks or '為替変動' (currency fluctuation) when discussing travel or business. You should be able to distinguish it from 'ido' (physical movement) and 'henka' (general change). Use it when you want to describe a situation that is unstable or moving. For example, 'The market is fluctuating' becomes 'Shijou ga hendo-shiteiru'.
B2 learners should master the nuances of '変動'. You should know that it often implies a degree of unpredictability or lack of stability. In business contexts, you'll use it to describe 'supply and demand' (jukyu no hendo). You should also be comfortable using it with adverbs like 'hageshiku' (intensely) or 'wazuka ni' (slightly). At this level, you should also recognize it in social contexts, such as 'shakai hendo' (social change), referring to shifts in population or cultural norms. It's a key word for passing the JLPT N2 level.
For C1 learners, '変動' is a versatile tool for academic and professional discourse. You should understand its use in complex phrases like 'hendo-habo' (fluctuation range) or 'hendo-yoin' (factors causing fluctuation). You should be able to analyze how 'hendo' differs from 'suii' (transition) in a report. For instance, 'suii' describes the historical path, while 'hendo' emphasizes the volatility. You might use it to discuss 'climate change' (kiko hendo) in a formal debate, emphasizing the irregular shifts in weather patterns rather than just a linear warming trend.
At the C2 level, '変動' is used with absolute precision. You understand its implications in systemic risk, statistical variance, and philosophical discussions about the nature of change. You can use it to describe the 'hendo' of human emotions in literature or the 'hendo' of political power in historical analysis. You are familiar with technical terms like 'hendo-souba-sei' (floating exchange rate system). Your usage is indistinguishable from a native speaker, using it to convey subtle meanings of instability, rhythm, and quantitative movement in high-level essays and speeches.

変動 in 30 Sekunden

  • Hendo means fluctuation or variation in levels.
  • It is a formal word used for data like prices and weather.
  • It can be used as a noun or a 'suru' verb.
  • It implies a dynamic, non-static movement rather than a single change.

The Japanese term 変動 (Hendo) is a sophisticated noun that describes the process of change, specifically focusing on the fluctuation or oscillation of values, states, or conditions over a period of time. Unlike a simple change (変化 - Henka), which might be a one-time shift, 変動 implies a dynamic movement, often visualized as a wave or a line on a graph moving up and down. It is most frequently applied to quantifiable data such as prices, temperatures, exchange rates, and population statistics. In a broader sense, it can also refer to shifts in social trends or political climates where stability is replaced by movement.

Etymology
Composed of 変 (change/unusual) and 動 (move/motion), literally meaning 'changing motion'.
Visual Representation
Think of a stock market ticker or a heart rate monitor; that constant movement is 'hendo'.
Scope of Use
Primarily used in formal, economic, scientific, and journalistic contexts.

最近、野菜の価格に大きな変動があります。(Recently, there have been large fluctuations in vegetable prices.)

When we look at the nuance of this word, we see that it carries a sense of instability. If a situation is 'hendo-shiteiru' (fluctuating), it means it hasn't settled into a fixed state. This is why it's the preferred term for 'variable interest rates' (変動金利) or 'fluctuating exchange rates' (為替変動). It captures the essence of a world in motion where values are never truly static.

為替の変動が激しいので、今は海外旅行を控えます。(Because the exchange rate fluctuations are intense, I will refrain from traveling abroad now.)

Furthermore, the word is often paired with adjectives like 'hageshii' (intense) or 'shizuka' (quiet/minimal) to describe the magnitude of the movement. In scientific papers, you might read about 'kion hendo' (temperature fluctuation), which refers to the rise and fall of heat over cycles. In sociology, 'shakai hendo' (social change/fluctuation) describes the shifting structures of human interaction and organization.

この地域の人口変動を調査しています。(We are investigating the population fluctuations in this region.)

株価の変動を毎日チェックするのが日課です。(Checking the stock price fluctuations daily is my routine.)

感情の変動が激しい時期もあります。(There are periods when emotional fluctuations are intense.)

Grammar Note
It can function as a suru-verb (変動する) to mean 'to fluctuate'.
Synonym Hint
Similar to 'uneri' (swell) in a metaphorical sense, but 'hendo' is strictly for data and states.

Using 変動 (Hendo) correctly requires understanding its role as both a noun and a potential verb. In most daily conversations, you will encounter it as a noun modified by a possessive particle 'no' or as part of a compound noun. For example, 'kakaku hendo' (price fluctuation) is a single conceptual unit in Japanese. When you want to describe the action of fluctuating, you add 'suru' to create 'hendo suru'.

  • As a Noun: [Noun] + の + 変動 (e.g., 気温の変動 - temperature fluctuation).
  • As a Verb: [Subject] + が + 変動する (e.g., 価値が変動する - value fluctuates).
  • As a Compound: [Category] + 変動 (e.g., 為替変動 - exchange fluctuation).

One of the most common real-world applications is in the financial sector. If you are applying for a mortgage in Japan, you will have to choose between 'kotei kinri' (fixed interest rate) and 'hendo kinri' (variable interest rate). Here, 'hendo' signifies that the rate will move according to market conditions. This usage highlights the 'unpredictable' or 'non-static' nature of the word.

In weather reports, you might hear 'kion no hendo ga hageshii' (temperature fluctuations are extreme). This doesn't just mean it got hot; it means it's going up and down, perhaps hot during the day and freezing at night. It captures the instability of the spring or autumn seasons in Japan perfectly. To use it naturally, focus on situations where there is a range of movement rather than a single point of departure and arrival.

You will most likely encounter 変動 (Hendo) in the following four environments:

  1. The News & Financial Reports: This is the primary home of the word. News anchors use it to discuss the 'Nikkei' average, the 'Yen-Dollar' exchange rate, or the price of crude oil. Phrases like 'habahiroi hendo' (wide-range fluctuation) are common.
  2. Weather Forecasts: Meteorologists use it to describe seasonal shifts or unusual patterns. If the jet stream is moving irregularly, they might refer to 'kiatsu no hendo' (atmospheric pressure fluctuations).
  3. Academic & Scientific Research: Whether it's biology (population dynamics), physics (wave variation), or sociology (trend shifts), 'hendo' is the standard academic term for variation within a system.
  4. Business Meetings: Managers might discuss 'jukyu no hendo' (fluctuations in supply and demand) to explain why production targets need to be adjusted. It sounds much more professional than saying 'the numbers changed'.

In casual conversation, it is less common unless the speaker is discussing their investments or perhaps a particularly erratic person's mood (though 'kibun no mura' is more common for moods). If you use 'hendo' in a casual setting, you might sound a bit like a textbook or a news reporter, which can be used for humorous effect or to show seriousness.

The most frequent mistake learners make is confusing 変動 (Hendo) with 変化 (Henka). While both mean 'change', they are not interchangeable in many contexts.

  • Henka (変化): A general term for change. It can be a transformation (caterpillar to butterfly) or a simple shift (the weather changed from sunny to rainy). It focuses on the result of the change.
  • Hendo (変動): Focuses on the movement or oscillation. You wouldn't say a caterpillar 'hendo' into a butterfly because that's a transformation, not a numerical or level-based fluctuation.

Another common error is using 'hendo' for physical movement from point A to point B. For that, you should use 移動 (Ido). For example, if you move to a new house, that is 'hikkoshi' or 'ido', never 'hendo'. 'Hendo' is about the value or state moving, not the physical object itself.

Lastly, be careful with the particle usage. While 'hendo suru' is a verb, it is intransitive. You cannot 'hendo' something else; the thing itself 'hendo-suru'. If you want to say you changed something, use 'kaeru' or 'henko suru'.

To truly master 変動 (Hendo), it helps to understand its 'neighbors' in the Japanese lexicon:

推移 (Suii)
This means 'transition' or 'change over time'. While 'hendo' focuses on the ups and downs, 'suii' focuses on the progression or the path the data takes. You use 'suii' to look at a 10-year trend.
変化 (Henka)
The most general word for change. Use this when you aren't sure if it's a fluctuation or a permanent shift.
振幅 (Shinpuku)
This is a technical term meaning 'amplitude'. It refers to the size of the fluctuation. If 'hendo' is the movement, 'shinpuku' is how big that movement is.
激変 (Gekihen)
A sudden, drastic change. While 'hendo' can be small, 'gekihen' is always massive and usually shocking.

Understanding these distinctions allows you to choose the most precise word for the situation. If you are talking about the stock market, 'hendo' is your go-to. If you are talking about how a city has changed since the 1950s, 'henka' or 'suii' is better.

How Formal Is It?

Schwierigkeitsgrad

Wichtige Grammatik

〜に伴って (Along with...)

〜に合わせて (In accordance with...)

〜につれて (As... then...)

〜とともに (Together with...)

〜次第で (Depending on...)

Beispiele nach Niveau

1

価格が変動します。

The price fluctuates.

Noun + ga + hendo-shimasu.

2

気温の変動があります。

There are temperature fluctuations.

Possessive 'no' links the subject to the fluctuation.

3

変動は小さいです。

The fluctuation is small.

Simple subject-predicate structure.

4

お金が変動する。

Money (value) fluctuates.

Dictionary form of the verb.

5

毎日変動します。

It fluctuates every day.

Adverb 'mainichi' used with the verb.

6

少し変動した。

It fluctuated a little.

Past tense 'shita'.

7

変動を見ます。

I look at the fluctuations.

Object marker 'wo'.

8

これは変動ですか?

Is this a fluctuation?

Question form.

1

野菜の値段は季節で変動する。

Vegetable prices fluctuate by season.

De particle indicating the cause/reason.

2

激しい変動に驚いた。

I was surprised by the intense fluctuations.

Adjective 'hageshii' modifying the noun.

3

為替の変動をチェックする。

I check the exchange rate fluctuations.

Compound concept 'kawase no hendo'.

4

人口の変動を調べる。

Investigate population fluctuations.

Formal verb 'shiraberu'.

5

変動があるから注意して。

Be careful because there are fluctuations.

Conjunction 'kara' for reason.

6

株価が大きく変動した。

Stock prices fluctuated greatly.

Adverbial 'ookiku'.

7

変動金利を選びました。

I chose a variable interest rate.

Compound noun 'hendo kinri'.

8

天候の変動が激しい。

Weather fluctuations are intense.

Subject marker 'ga' with adjective.

1

景気の変動は予測が難しい。

Economic fluctuations are hard to predict.

Topic marker 'wa' for the whole phrase.

2

需要と供給の変動を分析する。

Analyze fluctuations in supply and demand.

Noun phrase 'A to B no hendo'.

3

変動幅を確認してください。

Please check the range of fluctuation.

Compound 'hendo-haba' (fluctuation range).

4

最近の気温変動は異常だ。

Recent temperature fluctuations are abnormal.

Noun 'ijou' meaning abnormal.

5

政治情勢の変動に備える。

Prepare for fluctuations in the political situation.

Verb 'sonaeru' (prepare) + ni.

6

売上が月ごとに変動している。

Sales are fluctuating month by month.

Te-iru form for ongoing state.

7

変動要因を特定する必要がある。

It is necessary to identify the factors of fluctuation.

Compound 'hendo yoin'.

8

為替変動リスクを考慮する。

Consider the risk of exchange rate fluctuations.

Three-part compound noun.

1

激しい為替の変動が輸出企業に打撃を与えた。

Intense exchange rate fluctuations dealt a blow to export companies.

Complex subject with 'ga'.

2

このグラフは過去10年の人口変動を示している。

This graph shows the population fluctuations of the last 10 years.

Verb 'shimesu' (to show/indicate).

3

感情の変動をコントロールするのは難しい。

It is difficult to control emotional fluctuations.

Gerund-like use of 'no wa'.

4

物価の変動に合わせて給与を調整する。

Adjust salaries in accordance with price fluctuations.

Grammar 'ni awasete' (in accordance with).

5

市場の変動を注視しなければならない。

We must closely watch the market fluctuations.

Must-do form 'nakereba naranai'.

6

気候変動問題は世界的な課題だ。

The issue of climate change is a global challenge.

Compound 'kiko hendo' (climate change).

7

短期的な変動に一喜一憂してはいけない。

Don't be swung between joy and sorrow by short-term fluctuations.

Idiom 'ikki ichiyu' (alternating joy and grief).

8

変動の激しい社会で生き抜く力が必要だ。

The power to survive in a highly volatile society is necessary.

Attributive clause modifying 'shakai'.

1

統計学的に有意な変動は見られなかった。

No statistically significant fluctuations were observed.

Passive potential form 'mirarenakatta'.

2

景気循環に伴う在庫の変動を最小限に抑える。

Minimize inventory fluctuations associated with business cycles.

Grammar 'ni tomonau' (accompanying).

3

為替変動が企業収益に及ぼす影響を分析する。

Analyze the impact that exchange rate fluctuations have on corporate profits.

Relative clause 'ga ... ni oyobosu'.

4

この数値の変動は、外部要因によるものと考えられる。

The fluctuation in this numerical value is thought to be due to external factors.

Formal 'to kangaerareru'.

5

急激な価格変動を抑制するための措置を講じる。

Take measures to suppress rapid price fluctuations.

Formal 'sochi wo koujiru' (take measures).

6

地殻の変動を24時間体制で監視している。

Monitoring crustal movements/fluctuations 24 hours a day.

Compound 'chikaku hendo'.

7

社会構造の変動が家族の在り方を変えてきた。

Fluctuations in social structure have changed the nature of the family.

Perfective 'te-kita'.

8

資産価格の変動リスクをヘッジする手法を学ぶ。

Learn methods to hedge the risk of asset price fluctuations.

Business terminology 'hedge'.

1

マクロ経済の構造的変動を鳥瞰的に捉える。

Take a bird's-eye view of the structural fluctuations of the macroeconomy.

Adverbial 'choukanteki ni' (bird's-eye view).

2

量子レベルでのエネルギー変動を観測することに成功した。

Succeeded in observing energy fluctuations at the quantum level.

Technical scientific context.

3

歴史の潮流における権力の変動は、常に不可避である。

Fluctuations of power within the tides of history are always inevitable.

Philosophical/Literary tone.

4

市場のランダムウォーク理論によれば、価格変動は予測不能である。

According to random walk theory, price fluctuations are unpredictable.

Academic reference 'ni yoreba'.

5

為替相場制度が固定制から変動制へと移行した歴史的背景。

The historical background of the transition of the exchange rate system from fixed to floating.

Technical 'hendo-sei' (floating system).

6

遺伝子頻度の変動が進化の原動力の一つとなる。

Fluctuations in gene frequency serve as one of the driving forces of evolution.

Biological context.

7

自己のアイデンティティにおける内面的な変動を記述する。

Describe the internal fluctuations within one's own identity.

Psychological/Literary context.

8

不確実性の時代において、変動を許容する柔軟な組織作りが求められる。

In an era of uncertainty, the creation of flexible organizations that tolerate fluctuation is required.

Passive 'motomerareru'.

Synonyme

Gegenteile

Häufige Kollokationen

価格変動 (Price fluctuation)
為替変動 (Exchange fluctuation)
気候変動 (Climate change/fluctuation)
激しい変動 (Intense fluctuation)
変動が激しい (Fluctuations are intense)
変動を抑える (Suppress fluctuations)
変動金利 (Variable interest rate)
人口変動 (Population fluctuation)
感情の変動 (Emotional fluctuation)
大幅な変動 (Large-scale fluctuation)

Wird oft verwechselt mit

変動 vs 変化 (Henka)

General change vs. numerical fluctuation.

変動 vs 移動 (Ido)

Physical movement vs. value movement.

変動 vs 変更 (Henko)

Intentional revision vs. natural fluctuation.

Leicht verwechselbar

変動 vs

変動 vs

変動 vs

変動 vs

変動 vs

Satzmuster

Wortfamilie

Verwandt

変化 (Henka)
変更 (Henko)
変質 (Henshitsu)
大変 (Taihen)
変人 (Henjin)

So verwendest du es

distinction

Hendo is for levels/values; Henka is for nature/form.

Häufige Fehler
  • Using 'Hendo' for 'moving house'.
  • Using 'Hendo' for 'changing your mind' (use 'kawaru').
  • Forgetting the long 'o' in pronunciation.
  • Confusing 'Hendo' with 'Shindo' (vibration).
  • Using it as a transitive verb (e.g., I fluctuated the price).

Tipps

Think Graphs

If you can draw it on a line graph, you can probably use 'Hendo'.

Suru-Verb

Remember it's an intransitive verb; things fluctuate on their own.

Compounds

Learn it as 'Kakaku Hendo' or 'Kawase Hendo' for maximum utility.

Instability

Use it to highlight that a situation is not stable.

Motion

Focus on the 'Move' (動) kanji to remember it's about movement.

News Style

Using this word makes you sound like a professional news reporter.

Market Reports

Listen for this word at 7:00 PM during the NHK news.

Academic Tone

Use 'Hendo' in essays to describe social or economic shifts.

Wave

Visualize a wave in the ocean going up and down.

Mortgages

If you live in Japan, this word is vital for bank visits.

Einprägen

Wortherkunft

Kultureller Kontext

The concept of 'Shiki' (four seasons) is built on the 'hendo' of temperature.

Most Japanese home buyers choose 'Hendo Kinri'.

Im Alltag üben

Kontexte aus dem Alltag

Gesprächseinstiege

"最近の物価の変動についてどう思いますか?"

"変動金利と固定金利、どちらが良いと思いますか?"

"この地域の人口変動は激しいですか?"

"感情の変動が激しい時はどうしていますか?"

"為替の変動で旅行の計画が変わりましたか?"

Tagebuch-Impulse

今日の気圧の変動について書いてください。

自分の貯金の変動を記録しましょう。

最近の自分の気分の変動を分析してください。

10年間の生活の変動を振り返ってください。

好きな商品の価格変動を追跡してください。

Häufig gestellte Fragen

10 Fragen

Yes, 'kanjou no hendo' is correct, but 'kibun no mura' is more common in casual talk.

Not necessarily, but it implies instability which can be risky.

It is a variable interest rate that changes with the market.

Kiko Hendo (気候変動).

No, that is 'moyogae' or 'henko'.

Yes, usually N2 or N3 level.

Antei (Stability) or Kotei (Fixed).

Their population numbers can, but their physical bodies cannot.

No, that is 'shindo'.

Yes, for wave variations.

Teste dich selbst 180 Fragen

/ 180 correct

Perfect score!

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