B2 noun ニュートラル

random

/ˈrændəm/

As a noun, 'random' is primarily used in the prepositional phrase 'at random,' referring to a state where items or events are chosen without a definite plan, purpose, or pattern. In modern informal contexts, it can also refer to an unknown or unexpected person who appears in a specific situation.

例文

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1

The teacher picked names at random to answer the questions.

The teacher picked names without a specific order to answer the questions.

2

The clinical trial assigned subjects to groups at random to maintain scientific integrity.

The clinical trial assigned subjects to groups by chance to maintain scientific integrity.

3

I was just sitting there and some random started talking to me about his cat.

I was just sitting there and some unknown person started talking to me about his cat.

語族

名詞
randomness
Verb
randomize
副詞
randomly
形容詞
random
関連
randomization
💡

覚え方のコツ

Think of a 'Ran-Dome'—a giant dome where people run around in every direction with no plan or destination.

クイックテスト

The computer program generates numbers at _______ to ensure the security of the encryption.

正解!

正解は: random

例文

1

The teacher picked names at random to answer the questions.

everyday

The teacher picked names without a specific order to answer the questions.

2

The clinical trial assigned subjects to groups at random to maintain scientific integrity.

formal

The clinical trial assigned subjects to groups by chance to maintain scientific integrity.

3

I was just sitting there and some random started talking to me about his cat.

informal

I was just sitting there and some unknown person started talking to me about his cat.

4

In this statistical model, the variable represents a state of pure random.

academic

In this statistical model, the variable represents a state of pure chance.

5

The security team conducts bag checks at random during the conference.

business

The security team conducts bag checks without a specific pattern during the conference.

語族

名詞
randomness
Verb
randomize
副詞
randomly
形容詞
random
関連
randomization

よく使う組み合わせ

at random without a specific pattern or plan
pure random complete lack of order or predictability
chosen at random selected without a specific reason
selected at random picked out by chance
complete random totally unexpected or without pattern

よく使うフレーズ

at random

by chance or without a plan

by random choice

making a decision based on chance

totally random

completely unexpected or odd

よく混同される語

random vs arbitrary

Arbitrary implies a decision based on personal whim rather than chance, whereas random implies a lack of any pattern or choice.

📝

使い方のコツ

While 'random' is most often an adjective, its use as a noun is almost exclusively found in the phrase 'at random.' In very casual slang, it is used as a countable noun to describe a person ('a random').

⚠️

よくある間違い

Learners often use 'random' when they should use the adverb 'randomly' (e.g., saying 'He picked it random' instead of 'at random' or 'randomly').

💡

覚え方のコツ

Think of a 'Ran-Dome'—a giant dome where people run around in every direction with no plan or destination.

📖

語源

Derived from the Middle English word 'randoun,' meaning impetuosity or speed, coming from the Old French 'randon.'

文法パターン

Used in the prepositional phrase 'at random' Used as a countable noun in slang contexts Functions as an uncountable noun when referring to the concept of chance
🌍

文化的な背景

In modern digital and youth culture, 'random' has evolved to describe anything quirky, weird, or unexpected that doesn't fit the current conversation.

クイックテスト

The computer program generates numbers at _______ to ensure the security of the encryption.

正解!

正解は: random

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.

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.

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