C1 noun ニュートラル

theorist

/ˈθɪərɪst/

A person who develops, studies, or applies ideas and principles about a particular subject, often in an abstract or scientific way. It refers to an individual who focuses on the 'why' and 'how' behind phenomena rather than the practical application.

例文

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1

My brother is a bit of a music theorist who spends hours analyzing chord progressions.

My brother is someone who studies the underlying rules of music and spends a lot of time analyzing how chords work together.

2

The keynote speaker is a renowned political theorist from Oxford University.

The main speaker is a famous expert who studies the philosophy and principles of politics at Oxford University.

3

Don't be such a theorist; sometimes you just have to try things to see if they work.

Don't be someone who only thinks about abstract ideas; sometimes you need to take action to see if things work.

語族

名詞
theory
Verb
theorize
副詞
theoretically
形容詞
theoretical
関連
theorem
💡

覚え方のコツ

Remember: Theory + ist. The suffix '-ist' usually denotes a person (like artist or scientist). A theorist is a person who lives in the world of theories.

クイックテスト

The renowned ______ argued that economic systems are naturally self-correcting.

正解!

正解は: theorist

例文

1

My brother is a bit of a music theorist who spends hours analyzing chord progressions.

everyday

My brother is someone who studies the underlying rules of music and spends a lot of time analyzing how chords work together.

2

The keynote speaker is a renowned political theorist from Oxford University.

formal

The main speaker is a famous expert who studies the philosophy and principles of politics at Oxford University.

3

Don't be such a theorist; sometimes you just have to try things to see if they work.

informal

Don't be someone who only thinks about abstract ideas; sometimes you need to take action to see if things work.

4

The literary theorist argued that the author's intent is secondary to the reader's interpretation.

academic

The academic who studies the principles of literature claimed that what the author meant is less important than how the reader understands it.

5

As a management theorist, he helped the company restructure its hierarchy based on behavioral science.

business

In his role as an expert in business organizational principles, he helped the company change its structure using science about human behavior.

語族

名詞
theory
Verb
theorize
副詞
theoretically
形容詞
theoretical
関連
theorem

よく使う組み合わせ

conspiracy theorist a person who believes in secret plots by powerful groups
leading theorist a top-tier or very influential expert in a field
social theorist someone who studies the underlying principles of society
educational theorist a person who develops methods and philosophies for teaching
legal theorist an expert who studies the philosophy and principles of law

よく使うフレーズ

armchair theorist

someone who offers theories without having practical experience

critical theorist

a person who examines society and culture to reveal power structures

theorist-in-residence

an academic expert invited to work within an institution for a period

よく混同される語

theorist vs theoretician

Theoretician is often used in hard sciences (like physics) to denote technical expertise in theory, while theorist is more common in humanities and general contexts.

theorist vs theory

Theory is the abstract idea itself; a theorist is the person who creates or studies that idea.

📝

使い方のコツ

The word 'theorist' is neutral in academic settings but can sometimes imply that a person is 'out of touch' with reality or lacks practical skills in casual conversation.

⚠️

よくある間違い

Learners often use the adjective 'theoretical' when they mean the person (theorist). Another mistake is using 'theorizer,' which is a valid word but much less common than 'theorist'.

💡

覚え方のコツ

Remember: Theory + ist. The suffix '-ist' usually denotes a person (like artist or scientist). A theorist is a person who lives in the world of theories.

📖

語源

From the Greek word 'theōros', meaning 'spectator' or 'beholder', indicating someone who observes and contemplates.

文法パターン

Countable noun Often modified by a field of study (e.g., 'string theorist') Plural: theorists
🌍

文化的な背景

In modern digital culture, the term is most frequently encountered in the compound 'conspiracy theorist,' which often carries a negative social stigma.

クイックテスト

The renowned ______ argued that economic systems are naturally self-correcting.

正解!

正解は: theorist

関連単語

proceed

C1

The noun form, typically used in the plural 'proceeds,' refers to the total amount of money received from a particular event, sale, or activity. It is a formal term used in academic, legal, and business contexts to describe the result of a financial transaction or fundraising effort.

individual

C1

Relating to a single person or thing as distinct from a group. It describes something that is intended for, or used by, one person rather than a collective entity.

appropriately

B2

To perform an action in a manner that is suitable, right, or proper for a particular situation, person, or occasion. It implies following specific social norms, professional standards, or logical requirements.

region

B2

A region is an area of land that has common features, such as geography, climate, or culture, which distinguish it from other areas. It can refer to a large part of a country or the world and is often used in administrative or scientific contexts to organize space.

resource

B2

A stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively. In academic and informational contexts, it refers to a source of information or expertise used to support research or learning.

a

A1

A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.

I

A1

The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.

for

A1

Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.

not

A1

A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.

with

A1

A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.

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