C2 noun ニュートラル

security

/sɪˈkjʊərəti/

Security refers to the state of being free from danger, threat, or fear, encompassing physical safety as well as financial and psychological stability. In academic and legal contexts, it often denotes protection against intentional harm, such as espionage or crime, or refers to tradable financial assets like stocks and bonds.

例文

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1

He installed a high-tech alarm system to improve his home security.

He set up an advanced electronic system to enhance the protection of his house.

2

The state's national security strategy focuses heavily on preventing cyber espionage from foreign actors.

The country's government plan for protection focuses on stopping digital spying by other nations.

3

Having a steady paycheck gives me a real sense of security.

Receiving regular money makes me feel safe and stable in my life.

語族

名詞
security
Verb
secure
副詞
securely
形容詞
secure
関連
insecurity
💡

覚え方のコツ

Break the word into its Latin roots: 'se' (without) and 'cura' (care/worry). Security literally means being 'without worry'.

クイックテスト

The bank requires the title of your car as ______ for the personal loan.

正解!

正解は: security

例文

1

He installed a high-tech alarm system to improve his home security.

everyday

He set up an advanced electronic system to enhance the protection of his house.

2

The state's national security strategy focuses heavily on preventing cyber espionage from foreign actors.

formal

The country's government plan for protection focuses on stopping digital spying by other nations.

3

Having a steady paycheck gives me a real sense of security.

informal

Receiving regular money makes me feel safe and stable in my life.

4

Scholars argue that human security should prioritize individual well-being over traditional military defense.

academic

Academic researchers suggest that global safety should focus on people's health and rights rather than just armies.

5

The loan was granted on the condition that the company provide its property as security.

business

The bank gave the money because the company offered its real estate as a guarantee for repayment.

語族

名詞
security
Verb
secure
副詞
securely
形容詞
secure
関連
insecurity

よく使う組み合わせ

national security The safety and defense of a nation-state.
security clearance Official permission to access classified information.
cyber security Protection of computer systems and networks.
security deposit A sum of money paid in advance as a guarantee when renting property.
false sense of security A feeling of being safe when one is actually in danger.

よく使うフレーズ

security blanket

An object or person that provides a sense of comfort and safety.

tight security

Extremely strict protective measures at an event or location.

social security

A government system providing financial assistance to those with little or no income.

よく混同される語

security vs safety

Safety usually refers to protection against accidental harm, while security refers to protection against intentional, malicious harm.

📝

使い方のコツ

Use 'security' when discussing protection against crime, war, or financial loss. In finance, it can be plural ('securities') to refer to financial instruments like bonds or stocks.

⚠️

よくある間違い

Learners often use 'safety' when they mean 'security' in the context of guards or police. For example, 'airport safety' implies the plane won't crash, but 'airport security' implies no one will bring weapons on board.

💡

覚え方のコツ

Break the word into its Latin roots: 'se' (without) and 'cura' (care/worry). Security literally means being 'without worry'.

📖

語源

Derived from the Latin 'securitas', from 'securus' (free from care).

文法パターン

Uncountable noun when referring to a general state of safety. Countable noun ('securities') when referring to financial investments. Often used as an attributive noun (e.g., 'security guard', 'security measures').
🌍

文化的な背景

In many Western countries, 'Social Security' specifically refers to the government-run pension and disability fund.

クイックテスト

The bank requires the title of your car as ______ for the personal loan.

正解!

正解は: security

関連単語

unformible

C1

A noun referring to an entity, substance, or abstract concept that resists being shaped, structured, or categorized into a standard mold. It is often used in technical or philosophical contexts to describe something inherently chaotic or unstructured that defies traditional organization.

overpedery

C1

Describes a state or quality of being excessively concerned with minor details, formal rules, or displaying academic knowledge in a tedious way. It is typically used to criticize someone for being 'too much of a pedant' in their approach to a task or subject.

entractery

C1

Describing something that occurs during or pertains to an intermission or the interval between main acts of a performance. It is often used to characterize supplementary entertainment, music, or transitional activities that fill the gap between primary events.

nonceddom

C1

To designate or treat an entity, such as a word or a technical variable, as a temporary 'nonce' item created for a single, specific occasion. It involves isolating a concept so it does not become a permanent part of a system or vocabulary.

misvertible

C1

To incorrectly convert, transpose, or invert a sequence, data set, or logical statement. This verb describes the specific act of failing to maintain accuracy during a transformation process, resulting in a flawed output.

perivestance

C1

The state or act of surrounding an object or entity, often providing a protective, decorative, or atmospheric layer. It refers to the encompassing environment or the 'clothing' of a central core with external elements.

obscribic

C1

To write over existing text or markings in order to conceal, invalidate, or replace them. It specifically refers to the act of using new writing to obscure what was previously written on a surface.

abflexism

C1

To consciously or unconsciously contract the abdominal muscles and core as a response to physical or psychological stressors. This verb describes the act of adopting a rigid internal posture to display strength, maintain stability, or resist external pressure.

interarchship

C1

Relating to the structural or functional relationship existing between two dental or physiological arches, typically the upper and lower jaws. It describes the state of alignment, spacing, and interaction between these opposing structures in a clinical or biological context.

trimarship

C1

Describing a state of balanced three-way coordination or a structure characterized by tripartite leadership. It is typically used to define systems where three distinct entities share equal power or responsibility to maintain stability.

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