A2 noun フォーマル #575 よく出る

theoretical

/ˌθiːəˈretɪkl/

Based on ideas or principles rather than practical experience or real-life facts. It describes a situation or concept that is possible in the mind but has not been proven or done yet.

例文

3 / 5
1

The plan is purely theoretical and has not been tested in a real kitchen.

The plan is purely theoretical and has not been tested in a real kitchen.

2

The committee presented a theoretical solution to the urban traffic problem.

The committee presented a theoretical solution to the urban traffic problem.

3

In a theoretical world, I would have enough money to travel every day.

In a theoretical world, I would have enough money to travel every day.

語族

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

覚え方のコツ

Think of the 'the' and 'real'. Is it 'the real' thing? No, it is 'Theo-retical' (The-O-Real), it's just an idea, not real yet.

クイックテスト

The teacher explained that the experiment was only _______ because we didn't have the tools to do it.

正解!

正解は: theoretical

例文

1

The plan is purely theoretical and has not been tested in a real kitchen.

everyday

The plan is purely theoretical and has not been tested in a real kitchen.

2

The committee presented a theoretical solution to the urban traffic problem.

formal

The committee presented a theoretical solution to the urban traffic problem.

3

In a theoretical world, I would have enough money to travel every day.

informal

In a theoretical world, I would have enough money to travel every day.

4

Students are required to study the theoretical foundations of modern economics.

academic

Students are required to study the theoretical foundations of modern economics.

5

The business proposal looks good, but the profit margins are still theoretical.

business

The business proposal looks good, but the profit margins are still theoretical.

語族

名詞
theory
Verb
theorize
副詞
theoretically
形容詞
theoretical
関連
theorist

よく使う組み合わせ

theoretical framework theoretical framework
theoretical knowledge theoretical knowledge
purely theoretical purely theoretical
theoretical approach theoretical approach
theoretical model theoretical model

よく使うフレーズ

in a theoretical sense

in a theoretical sense

highly theoretical

highly theoretical

theoretical possibility

theoretical possibility

よく混同される語

theoretical vs theatrical

Theatrical relates to the theater and acting, while theoretical relates to ideas and theories.

theoretical vs theory

Theory is the noun (the idea itself), while theoretical is the adjective (describing the idea).

📝

使い方のコツ

Use this word to describe ideas that are not yet applied to reality. It often contrasts with 'practical' or 'applied' knowledge.

⚠️

よくある間違い

Learners sometimes use 'theoric' (which is rare/obsolete) instead of 'theoretical'. Also, avoid confusing it with 'theatrical' which sounds similar.

💡

覚え方のコツ

Think of the 'the' and 'real'. Is it 'the real' thing? No, it is 'Theo-retical' (The-O-Real), it's just an idea, not real yet.

📖

語源

Derived from the Greek word 'theoretikos', which means 'contemplative' or 'looking at'.

文法パターン

Used as an adjective before a noun (e.g., theoretical science). Often follows the verb 'to be' (e.g., The risk is theoretical).

クイックテスト

The teacher explained that the experiment was only _______ because we didn't have the tools to do it.

正解!

正解は: theoretical

関連単語

to

A1

Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.

and

A1

A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.

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.

that

A1

This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies 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.

he

A1

A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.

you

A1

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

役に立った?
まだコメントがありません。最初に考えをシェアしましょう!

無料で言語学習を始めよう

無料で始める