B2 verb #3,000 よく出る 3分で読める

thereby

Thereby serves as an adverbial conjunction, signifying causation or consequence in relation to a preceding statement. It establishes a direct link, indicating that the action or situation previously described is the means or cause through which a subsequent outcome is achieved. Essentially, it functions to explicitly connect an action with its resultant effect, often in a more formal or academic context. Its usage contributes to a concise and precise articulation of cause and effect, streamlining the expression of logical relationships within a discourse.

thereby 30秒で

  • connecting cause and effect
  • indicating consequence
  • by that method

§ What Does "thereby" Mean?

Definition
The word "thereby" is an adverb that means 'by that means,' 'by that act,' or 'as a result of that.' It is used to introduce the consequence or outcome of an action or event that has just been mentioned. Essentially, it links a cause (the preceding statement) to its effect (the statement that follows "thereby"). It is a formal word often found in written English, especially in academic, legal, or technical contexts, but can also appear in more sophisticated spoken language.

To break it down further, think of "thereby" as a more elegant and concise way of saying "because of that" or "in this way." It creates a clear cause-and-effect relationship between two clauses in a sentence, making the connection explicit and unambiguous. This makes it a very useful word for expressing logical progression in an argument or explanation.

§ When Do People Use "thereby"?

People use "thereby" when they want to show a direct and often significant consequence of a previously stated action or situation. It is particularly common in contexts where precision and formality are valued.

Here are some common scenarios:

  • In academic writing, to connect research methods with their findings, or theories with their implications.
  • In legal documents, to state the consequence of a particular action or ruling.
  • In technical descriptions, to explain how one step in a process leads to the next.
  • In formal reports or presentations, to articulate the impact of decisions or events.
  • In sophisticated discussions, to emphasize the direct outcome of an argument or statement.

Consider the following examples to see "thereby" in action:

The company implemented new security measures, thereby reducing the risk of data breaches.

In this example, the implementation of new security measures is the cause, and the reduction of data breaches is the direct result introduced by "thereby."

He failed to submit his assignment on time, thereby losing valuable points.

Here, not submitting the assignment on time is the action, and losing points is the immediate consequence, clearly linked by "thereby."

The new policy aims to streamline the application process, thereby making it more accessible to a wider range of candidates.

This sentence shows how streamlining the process leads to greater accessibility, with "thereby" acting as the bridge between the two ideas.

The elegance of "thereby" lies in its ability to combine two sentences or clauses into one, creating a more sophisticated flow of ideas. Instead of saying, "She studied diligently. Because of that, she passed her exams with flying colors," you can say, "She studied diligently, thereby passing her exams with flying colors." This not only sounds more academic but also reinforces the direct causality.

It's important to note that "thereby" typically connects an action with its direct, often intended, outcome. It's not usually used for incidental or unrelated consequences. For instance, if you said, "He went to the store, and then he saw a friend," you wouldn't use "thereby" because seeing a friend isn't a direct consequence of going to the store; it's an incidental event. The strength of "thereby" lies in its power to forge a strong, logical link between events.

類義語

thus hence consequently accordingly so by which

反対語

regardless nevertheless despite

使い方

When using 'thereby', ensure that the action it refers to is clearly stated beforehand. The clause introduced by 'thereby' should logically follow as a direct consequence. For example: 'He worked hard, thereby achieving his goals.' It can also be used to connect an action to its effect: 'The company reduced its prices, thereby increasing its market share.' It's more common in formal writing.

よくある間違い

A common mistake is using 'thereby' when the connection between the action and consequence is not direct or clear. For instance, 'She went to the store, thereby buying milk' is incorrect because buying milk is the purpose, not a direct, unintended consequence. Instead, you might say, 'She went to the store, and as a result, bought milk.' Another error is using it with a comma splice: 'He studied diligently, thereby he passed the exam.' The correct usage is 'He studied diligently, thereby passing the exam' (using a present participle) or 'He studied diligently, and thereby he passed the exam' (using 'and'). Avoid using 'thereby' to introduce a new, unrelated idea.

実生活で練習する

実際の使用場面

The company implemented new security measures, thereby reducing the risk of data breaches.

  • implemented new security measures
  • reducing the risk
  • data breaches

She dedicated herself to her studies, thereby ensuring her success in the challenging exams.

  • dedicated herself to her studies
  • ensuring her success
  • challenging exams

The government increased funding for education, thereby providing more opportunities for students.

  • increased funding for education
  • providing more opportunities
  • for students

He invested wisely in the stock market, thereby accumulating a significant amount of wealth.

  • invested wisely
  • stock market
  • accumulating a significant amount of wealth

The new policy aimed to reduce carbon emissions, thereby contributing to a healthier environment.

  • aimed to reduce carbon emissions
  • contributing to a healthier environment
  • new policy

会話のきっかけ

"Can you think of a time when a decision you made had a positive ripple effect, thereby creating multiple benefits?"

"In what ways can technological advancements simplify daily tasks, thereby freeing up time for other activities?"

"How can individuals contribute to their local communities, thereby fostering a stronger sense of unity and support?"

"What are some innovative solutions that could address global challenges, thereby creating a more sustainable future?"

"Describe a scenario where a small action led to a significant outcome, thereby demonstrating the power of even minor contributions."

日記のテーマ

Reflect on a recent personal or professional achievement. What steps did you take to reach it, and thereby what positive outcomes resulted from your efforts?

Consider a societal issue that concerns you. What changes or initiatives could be implemented to address it, and thereby what positive impact would these changes have?

Think about a skill you've developed or are currently learning. How has mastering or acquiring this skill impacted your life, and thereby what new opportunities has it created?

Describe a time when you helped someone, even in a small way. What was the impact of your actions on them, and thereby what did you learn from the experience?

Imagine you have the power to make one significant change in the world. What would it be, and thereby what chain of positive events would it set in motion?

よくある質問

10 問

While both words connect ideas, 'thereby' indicates the method or means by which something happens, often showing a cause-andeffect relationship. 'Therefore' simply states a conclusion or logical consequence. For example, 'He studied hard, thereby passing the exam' (studying was the means). 'He studied hard, therefore he was prepared' (preparation is a consequence).

No, 'thereby' can introduce either positive or negative outcomes. It simply describes the result or consequence. For example, 'The company cut corners, thereby compromising product quality' (negative outcome).

Yes, 'thereby' is very often followed by a gerund (-ing form of a verb), as it highlights the action that produces the result. For example, 'She practiced daily, thereby improving her skills.' However, it can also be followed by a full clause or other grammatical structures.

'Thereby' is usually placed after the first clause and before the consequence clause. It acts as a bridge between the action and its direct result. For example, 'He invested wisely, thereby securing his financial future.'

'Thereby' is generally considered a more formal word and is more common in written English, academic texts, and professional communication than in casual conversation.

While grammatically possible, starting a sentence with 'thereby' is uncommon and often sounds awkward. It's usually best to place it in the middle of a sentence to link the cause and effect clearly. For example, instead of 'Thereby he succeeded,' say 'He worked diligently, thereby succeeding.'

Some close synonyms or phrases with similar meanings include 'as a result of that,' 'by that means,' 'consequently,' 'thus,' and 'in consequence.' However, each has subtle differences in nuance and usage.

'Thereby' refers to 'by that means' or 'as a result of that,' showing a direct consequence. 'Whereby' means 'by which' or 'through which,' referring to the method or system used. For example, 'He created a new system, whereby users could track their progress' (the system is the means). 'He implemented the system, thereby increasing efficiency' (the result of implementing).

For B2 learners, 'thereby' can be a bit challenging due to its formal nature and the specific way it connects clauses. Understanding its role in showing cause and effect, especially when followed by a gerund, is key to mastering its usage.

Certainly! 'The government implemented a new policy aimed at reducing carbon emissions, thereby encouraging companies to invest in renewable energy sources and significantly contributing to environmental protection efforts.'

自分をテスト 30 問

sentence order A2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: He studied hard, thereby passing the exam.

The word 'thereby' connects the action of studying hard with the result of passing the exam.

sentence order A2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: She saved money, thereby buying a new bike.

Saving money led to buying a new bike, and 'thereby' links these two ideas.

sentence order A2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The team played well, thereby winning the game.

Playing well was the cause, and winning the game was the effect, connected by 'thereby'.

multiple choice B1

He studied hard for his exams, _____ achieving excellent grades.

正解! おしい! 正解: thereby

'thereby' means 'as a result of that' and logically connects studying hard to achieving good grades.

multiple choice B1

She helped the old woman carry her bags, _____ showing her kindness.

正解! おしい! 正解: thereby

'thereby' indicates that helping the woman was the means by which she showed kindness.

multiple choice B1

The company reduced its waste, _____ helping the environment.

正解! おしい! 正解: thereby

'thereby' shows that reducing waste had the consequence of helping the environment.

true false B1

Using 'thereby' always introduces a cause for a previously mentioned effect.

正解! おしい! 正解: 間違い

'thereby' introduces a result or consequence, not the cause.

true false B1

The word 'thereby' can be replaced by 'as a result of that' without changing the meaning.

正解! おしい! 正解: 正しい

'thereby' means 'by that means' or 'as a result of that', so they are interchangeable.

true false B1

You can use 'thereby' at the beginning of a sentence to introduce a new idea.

正解! おしい! 正解: 間違い

'thereby' is used to connect two ideas logically, with the result following the action, so it typically appears in the middle of a sentence or clause.

listening B2

Listen for how the policy's effect is described.

正解! おしい! 正解: The new policy aims to reduce waste, thereby benefiting the environment.
正解! おしい! 正解:
listening B2

Pay attention to the connection between studying and the outcome.

正解! おしい! 正解: He studied diligently for the exam, thereby ensuring his success.
正解! おしい! 正解:
listening B2

Notice how the investment led to a specific result.

正解! おしい! 正解: The company invested in advanced technology, thereby increasing its productivity.
正解! おしい! 正解:
speaking B2

Read this aloud:

She worked extra hours, thereby completing the project ahead of schedule.

Focus: thereby

正解! おしい! 正解:
speaking B2

Read this aloud:

The team collaborated effectively, thereby achieving their ambitious goals.

Focus: achieving

正解! おしい! 正解:
speaking B2

Read this aloud:

The new regulations will improve public safety, thereby reducing accidents.

Focus: reducing

正解! おしい! 正解:
sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: He worked hard, thereby achieving his goals.

The word 'thereby' introduces the consequence (achieving his goals) of working hard.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The company reduced its waste, thereby saving money.

'thereby' connects the action of reducing waste with the result of saving money.

sentence order B2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: She practiced daily, thereby improving her skills considerably.

The improvement in skills is a direct result introduced by 'thereby' after daily practice.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The company implemented new efficiency measures, thereby reducing operational costs significantly.

The sentence describes an action (implementing measures) and its direct consequence (reducing costs), connected by 'thereby'.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: She mastered several programming languages, thereby making herself an indispensable asset to the tech startup.

The sentence structure clearly links the act of mastering languages to the outcome of becoming an indispensable asset using 'thereby'.

sentence order C2

下の単語をタップして文を組み立てよう
正解! おしい! 正解: The government introduced stringent environmental regulations, thereby aiming to curb pollution and promote sustainability.

The sentence presents the government's action and the intended result, connected by 'thereby' to show the purpose or consequence.

/ 30 correct

Perfect score!

関連コンテンツ

この単語を他の言語で

Languageの関連語

mean

A1

To have a specific sense or significance, especially when explaining a word or sign. It can also describe a person's intention or the importance of something to someone.

participle

B2

分詞とは、動詞から作られ、形容詞や名詞のように使われる語のことです。例えば「走っている」など。

prose

B2

詩のような韻律を持たない、通常の言葉や文章の形式。

aphoristic

B2

短い言葉で、真理や原則を簡潔に表した言葉のことだよ。

forebrevary

C1

より大きなものへの短い前置きとして機能する、導入的または予期的な簡潔さを持つこと。

word

A1

単語とは、特定の意味を持ち、話したり書いたりできる言語の単一の単位です。コミュニケーションにおいてフレーズや文を作成するために使用される基本的な構成要素です。

feature

C1

A distinctive attribute or aspect of something that makes it recognizable or important. In academic and technical contexts, it refers to a specific characteristic used for analysis, classification, or identification.

code

B2

A system of words, letters, figures, or other symbols used to represent others, especially for the purposes of secrecy or computer programming. It also refers to a set of rules or principles that a group of people agree to follow.

metaphor

B2

あるものを別のものとして描写し、イメージで感情や考えを伝えること。

rhetoric

A1

レトリックとは、人が言語を使って他人を説得したり影響を与えたりする方法です。また、重要に聞こえるが、誠実または正直ではない可能性のあるスピーチや文章を意味することもできます。

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