B2 noun /ˈɪnˌsaɪt/

insight

洞察力

Meaning

The ability to understand the true nature of something; deep understanding.

Example

Her insight into human behavior made her a successful psychologist.

彼女の人間行動に対する洞察力は、彼女を成功した心理学者にした。

B2 adjective, noun /ˌɪn.təlˈɛk.tʃu.əl/

intellectual

知的な

Meaning

Relating to the intellect; a person who engages in critical thinking and study.

Example

She enjoys intellectual discussions about philosophy.

彼女は哲学についての知的な議論を楽しんでいます。

B2 adjective /ɪnˈseɪn/

insane

狂気

Meaning

mentally ill; extremely foolish or unreasonable

Example

The idea of jumping off the cliff seemed insane.

崖から飛び降りる考えは狂気のように思えた。

B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

抗し難い

Meaning

too attractive and tempting to be resisted; impossible to resist

Example

The chocolate cake was absolutely irresistible.

チョコレートケーキは絶対に抵抗できないほど魅力的だった。

B2 verb /ˈɪmɪteɪt/

imitate

真似る

Meaning

to copy the behavior or manner of someone or something

Example

Children often imitate their parents' behavior.

子供たちはしばしば親の行動を真似します。

B2 adjective /ˈɪnˌsaɪtfəl/

insightful

洞察力のある

Meaning

Showing deep understanding or perceptiveness.

Example

The professor gave an insightful lecture on global economics.

教授はグローバル経済に関する洞察力のある講義を行いました。

B2 noun ˌɪmplɪmenˈteɪʃən

implementation

実行

Meaning

The process of putting a decision or plan into effect; execution.

Example

Proper implementation of policies is crucial.

方針の適切な実行は重要です。

B2 noun, verb /ɪntʃ/

inch

インチ / ゆっくり動く

Meaning

A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.

Example

She inched closer to the edge of the stage.

彼女はステージの端にゆっくり近づいた。

B2 adjective /ɪmˈpɪəriəl/

imperial

帝国の

Meaning

Relating to an empire or emperor; having supreme authority.

Example

The imperial palace was a symbol of the emperor's power.

インペリアル宮殿は皇帝の力の象徴でした。

B2 noun /ɪnˈsen.tɪv/

Incentive

インセンティブ; 刺激

Meaning

a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior

Example

The company offered a cash incentive to employees who exceeded their sales targets.

その会社は売上目標を達成した従業員に現金インセンティブを提供しました。

B2 noun ˌɪntəˈlektʃuəlz

intellectuals

知識人

Meaning

People possessing a highly developed intellect; scholars or academics.

Example

Intellectuals protested against the dominance.

知識人は支配に反対した。

B2 noun /ˈɪntərvəl/

interval

インターバル

Meaning

a period of time between two events or points; a pause or break in activity

Example

There was a short interval between the two performances.

二つの公演の間には短いインターバルがありました。

B2 adjective /ɪnˈædɪkwət/

inadequate

不十分

Meaning

Not sufficient or good enough.

Example

The funding was inadequate to complete the project.

プロジェクトを完成させるには資金が不十分でした。

B2 adjective, noun /ɪzˈreɪli/

israeli

イスラエルの

Meaning

relating to Israel or its people; a person from Israel

Example

She works for an Israeli company.

彼女はイスラエルの会社で働いています。

B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

無関心

Meaning

having no particular interest or concern; not caring one way or another

Example

She was indifferent to the outcome of the match.

彼女は試合の結果に無関心だった。

B2 noun ɪnˈdʒʌstɪs

injustice

不正義

Meaning

Lack of fairness or justice; the practice of being unjust or unfair.

Example

The story portrays the injustices faced by the common people.

物語は一般の人々が直面する不正義を描いています。

B2 noun /ˈɪnstɪŋkt/

instinct

本能

Meaning

A natural way of behaving or reacting that does not require learning.

Example

Birds build nests by instinct.

鳥は本能で巣を作ります。

B2 adjective /ˈɪmɪnənt/

imminent

差し迫った

Meaning

About to happen; likely to occur very soon.

Example

Dark clouds signaled that a storm was imminent.

暗い雲は嵐が迫っていることを示していた。

B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

不十分

Meaning

Not enough; inadequate.

Example

His explanation was insufficient to clear the confusion.

彼の説明は混乱を解消するには不十分でした。

B2 noun /ˈɪn.flu.ən.sər/

Influencer

インフルエンサー, 商品を勧める人

Meaning

A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.

Example

Social media influencers shape consumer preferences.

ソーシャルメディアのインフルエンサーは消費者の好みを形作っています。

B2 noun /ɪnˈfɪnɪti/

infinity

無限

Meaning

A concept describing something without any limit or end.

Example

The universe seems to stretch into infinity.

宇宙は無限に広がっているように見える。

B2 adjective /aɪˈrɒnɪkəl/

ironical

皮肉な

Meaning

expressing irony; having the nature of irony

Example

Her ironical tone made everyone uncomfortable.

彼女の皮肉な口調は、皆を不快にさせました。

B2 adjective /ɪˈmens/

Immense

巨大な; 膨大な; 非常に大きい

Meaning

extremely large or great; huge

Example

The immense mountain range stretched across the horizon.

その巨大な山脈は地平線を越えて広がっていました。

B2 verb /ɪnˈtriːɡ/

intrigue

魅了する

Meaning

to arouse curiosity or interest; to make someone fascinated

Example

The mystery novel will intrigue any reader.

ミステリー小説はすべての読者を魅了するでしょう。

B2 noun /ɪnˈsaɪdə/

insider

インサイダー

Meaning

a person within a group or organization who has access to confidential information

Example

He was an insider who knew all the company's secrets.

彼は会社のすべての秘密を知っているインサイダーでした。

B2 adjective /ɪsˈlɑːmɪk/

islamic

イスラームの

Meaning

relating to Islam, its followers, or its teachings

Example

The city has many Islamic cultural centers.

その都市には多くのイスラーム文化センターがあります。

B2 adjective /ˌɪnsɪˈkjʊə/

insecure

不安定

Meaning

not confident or assured; uncertain and anxious

Example

She felt insecure about her performance in the exam.

彼女は試験での自分のパフォーマンスに不安を感じていました。

B2 verb /ɪnˈfɜːr/

infer

Meaning

to conclude or deduce something from evidence and reasoning rather than from explicit statements

Example

From his silence, I inferred that he was not happy with the decision.

B2 noun /ˈɪn.vɔɪs/

Invoice

請求書

Meaning

a list of goods sent or services provided, with a statement of the sum due for these

Example

The company sent an invoice for the office supplies delivered last week.

会社は先週配送されたオフィス用品の請求書を送付しました。

B2 noun /ɪnˈvɒlvmənt/

involvement

関与

Meaning

the act of taking part in something

Example

His involvement in the project was crucial.

彼のプロジェクトへの関与は重要だった。

B2 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

産業化

Meaning

The development of industries in a country or region on a wide scale.

Example

Industrialization changed the global economy dramatically.

産業化は世界経済を劇的に変えました。

B2 adjective ˌɪnstrəˈmɛntl

instrumental

重要な

Meaning

Serving as a crucial means, agent, or tool; having a part in bringing about a result.

Example

Children can be instrumental in building a better society.

子供たちは、より良い社会を作るために重要な役割を果たすことができます。

B2 noun ˌɪn.əˈveɪ.ʃən

innovation

革新

Meaning

The action or process of innovating; a new method, idea, product, etc.

Example

Innovation drives solutions to global challenges.

革新は世界的な課題への解決策を促進します。

B2 noun /ˈaɪkɒn/

icon

アイコン, 象徴

Meaning

A person or thing regarded as a symbol of something, or a graphic symbol on a screen.

Example

The singer became a cultural icon.

その歌手は文化的なアイコンとなった。

B2 noun /aɪˈdiː/

id

身分証明書

Meaning

identification; a document or number used to prove who someone is

Example

Please show your ID at the entrance.

入口で身分証明書を提示してください。

B2 noun ˈɪndɪkeɪtə

indicator

指標

Meaning

A thing that indicates the state or level of something.

Example

The unemployment rate is a key indicator of economic health.

失業率は経済の健康の重要な指標です。

B2 adjective /ɪnˈkeɪpəbəl/

incapable

無能力な

Meaning

lacking the ability, skill, or capacity to do something

Example

He is incapable of understanding complex instructions.

彼は複雑な指示を理解できない。

B2 noun /ˈɪdɪət/

idiot

バカ

Meaning

a person who acts in a way that is considered very stupid or foolish

Example

He acted like an idiot at the party last night.

彼は昨晩のパーティーでイディオットのように振る舞った。

B2 verb /ɪnˈveɪd/

invade

侵入する

Meaning

to enter a place or country forcefully, especially as an enemy

Example

The army invaded the neighboring country.

軍隊は隣国に侵入しました。

B2 adjective /ˌɪnfluˈenʃəl/

Influential

影響力のある; 強力な

Meaning

having great influence on someone or something; powerful; persuasive

Example

She is an influential leader in the community.

彼女はコミュニティの中で影響力のあるリーダーです。

B2 noun /ˈɪnfənt/

infant

乳児

Meaning

A very young child or baby.

Example

The infant was sleeping peacefully in the cradle.

乳児はゆりかごで静かに眠っていました。

B2 adjective /ɪˈrɛləvənt/

Irrelevant

無関係な

Meaning

not connected with or relevant to something; having no bearing on the matter

Example

Your past mistakes are irrelevant to this discussion.

あなたの過去の過ちはこの議論には無関係です。

B2 noun ˌɪnɪˈkwɒlɪti

inequality

不平等

Meaning

Difference in size, degree, circumstances, etc.; lack of equality.

Example

The theme of inequality is prominent throughout the story.

不平等のテーマは物語全体にわたって顕著です。

B2 noun /ɪnˈkluːʒən/

inclusion

インクルージョン

Meaning

the action or state of including or being included within a group or structure

Example

Diversity and inclusion are key values in modern workplaces.

多様性とインクルージョンは現代の職場における重要な価値観です。

B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

身分証明

Meaning

the process of recognizing or proving who or what someone or something is

Example

You need proper identification to enter the building.

ビルに入るには適切な身分証明が必要です。

B2 noun /ˌɪnstəˈbɪləti/

instability

不安定

Meaning

lack of stability or balance; tendency to change, fail, or collapse easily

Example

Political instability has slowed economic growth in the region.

政治的な不安定さが地域の経済成長を遅らせた。

B2 adverb /ɪmˈpɒlɪtli/

impolitely

無礼に

Meaning

in a rude or discourteous manner; without showing respect or proper manners

Example

He spoke impolitely to the waiter despite the polite service.

丁寧なサービスにもかかわらず、彼は無礼にウェイターに話した。

B2 noun ɪˈmjuː.nɪ.ti

immunity

免疫力

Meaning

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.

Example

A strong immunity protects against infections.

強い免疫力は感染症から守ります。

B2 noun ɪnˈfleɪʃən

inflation

インフレーション

Meaning

A general increase in prices and fall in the purchasing value of money.

Example

Inflation erodes the purchasing power of consumers.

インフレーションは消費者の購買力を減少させる。

B2 verb /ɪnˈheɪl/

inhale

吸う

Meaning

to breathe in; to draw air into the lungs

Example

Take a deep breath and inhale slowly.

深く息を吸い、ゆっくり吸い込みます。

B2 adjective /ɪnˈklaɪnd/

inclined

傾向がある

Meaning

having a tendency or disposition toward something

Example

He is inclined to help those in need.

彼は困っている人々を助ける傾向がある。

B2 noun /ɪnˈveɪʒən/

invasion

侵略

Meaning

An instance of invading a country, region, or personal space with armed force or unwelcome presence.

Example

The army prepared for the possibility of an invasion.

軍隊は侵略の可能性に備えました。

B2 verb /ɪnˈfɛkt/

infect

感染させる

Meaning

To contaminate with a disease-causing organism.

Example

The virus can infect healthy people quickly.

ウイルスは健康な人々を迅速に感染させることができます。

B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

革新的なツール

Meaning

Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.

Example

Teachers use innovative tools to enhance classroom learning.

教師は教室での学習を向上させるために革新的なツールを使用します。

B2 noun /ˌɪmɪˈɡreɪʃən/

immigration

移民

Meaning

the action of coming to live permanently in a foreign country

Example

Immigration policies vary from country to country.

移民政策は国によって異なります。

B2 adjective /ˈɪn.tɪ.mət/

Intimate

親密な; 個人的な; 詳細な知識

Meaning

close in friendship; private and personal; detailed knowledge

Example

They have an intimate friendship that has lasted for decades.

彼らは何十年にもわたる親密な友情を持っています。

B2 noun /ɪnˈtɒlərəns/

intolerance

不寛容

Meaning

unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own

Example

The leader was criticized for his intolerance toward other religions.

リーダーは他の宗教に対する不寛容さで批判されました。

B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

無礼さ

Meaning

lack of good manners or courtesy; rude behavior

Example

His impoliteness towards the guests shocked everyone.

彼の客に対する無礼さは皆を驚かせた。

B2 adjective /ɪnˈtɛns/

intense

強烈

Meaning

Of extreme force, degree, or strength.

Example

She felt intense pain after the accident.

事故後、彼女は強烈な痛みを感じました。

B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

調査 / 問い合わせ

Meaning

An act of asking for information; an investigation into something.

Example

The committee launched an inquiry into the financial irregularities.

委員会は財務の不正行為に関する調査を開始しました。

B2 adjective /ˌɪntəˈpɜːsənl/

interpersonal

対人

Meaning

Relating to relationships or communication between people.

Example

He has excellent interpersonal skills and gets along well with others.

彼は優れた対人スキルを持っており、他の人とうまくやっていきます。

B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

強化する

Meaning

To make something stronger, more extreme, or more forceful.

Example

The storm is expected to intensify overnight.

嵐は夜通し強くなると予想されています。

B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

不完全

Meaning

Not perfect; having faults or flaws.

Example

The painting was beautiful despite being imperfect.

その絵は美しかったが、完璧ではなかった。

B2 adjective /ɪmˈper.ə.tɪv/

imperative

命令形

Meaning

Of vital importance; crucial; giving or expressing a command.

Example

It is imperative to address the climate crisis immediately.

気候危機に直ちに対処することがインペラティブです。

B2 noun /ˈɪɡ.nər.əns/

Ignorance

無知

Meaning

lack of knowledge or information; the state of being uninformed about something

Example

His ignorance about basic computer skills made it difficult for him to find a job.

基本的なコンピュータースキルに関する彼の無知は、彼が仕事を見つけるのを難しくしました。

B2 adjective /ɪnˈtɛnsɪv/

intensive

集中的

Meaning

Involving a lot of effort, energy, or concentration in a short period of time.

Example

She attended an intensive English course before moving abroad.

彼女は海外に引っ越す前に、集中的な英語コースを受講しました。

B2 verb /ɪnˈʃʊər/

insure

保険をかける

Meaning

to provide insurance; to make certain

Example

I need to insure my new car.

私は新しい車を保険に入れる必要があります。

B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

不便

Meaning

trouble or difficulty caused to someone; to cause trouble or difficulty to someone

Example

We apologize for any inconvenience caused by the delay.

遅延によって生じた不便についてお詫びします。

B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

無責任

Meaning

lacking a sense of responsibility; careless

Example

It was irresponsible of him to leave without telling anyone.

彼が誰にも言わずに去ったのは無責任だった。

B2 adjective /ɪˈmædʒɪnəbl/

imaginable

想像できる

Meaning

Capable of being imagined or conceived.

Example

They offered every imaginable type of food at the festival.

彼らはフェスティバルであらゆる想像できるタイプの食べ物を提供しました。

B2 adjective /ɪˈmætʃʊr/

Immature

未熟; 完全に発達していない; 子供っぽい

Meaning

not fully developed; lacking emotional or intellectual development; childish

Example

His immature behavior during the meeting disappointed everyone.

会議中の彼の未熟な行動は、皆を失望させました。

B2 adjective /ˈɪnfɪnɪt/

infinite

無限

Meaning

limitless or endless in space, extent, or number

Example

The universe is often described as infinite.

宇宙はしばしば無限だと説明されます。

B2 adjective /ɪmˈplɪsɪt/

implicit

暗黙の

Meaning

Suggested or understood without being directly stated.

Example

Her trust in him was implicit.

彼女の彼に対する信頼は暗黙のものでした。

B2 adjective /ˌɪnkənˈsɪstənt/

inconsistent

一貫性がない

Meaning

Not staying the same throughout; lacking harmony or regularity.

Example

His answers were inconsistent and confusing.

彼の答えは一貫性がなく、混乱を招いた。

B2 adjective /ɪˈmædʒ.ɪ.nər.i/

Imaginary

想像上の; 虚構の; 現実でない

Meaning

existing only in imagination; not real; fictional

Example

The child had an imaginary friend who she talked to every day.

その子は毎日話す想像上の友達がいました。

B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

含意

Meaning

A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.

Example

The implication of climate change is severe.

気候変動の含意は深刻です。

B2 adjective /ɪnˈfekʃəs/

infectious

感染性のある; 伝染する

Meaning

capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm

Example

Her infectious laughter made everyone in the room smile.

彼女の感染力のある笑い声は皆を笑顔にした。

B2 adjective + noun aɪˈdiːəl ɪnˈvaɪrənmənt

ideal environment

理想的な環境

Meaning

Perfect or most suitable conditions for growth or development

Example

Winter creates an ideal environment for vegetable growth.

冬は野菜の成長に理想的な環境を作り出します。

B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

産業革命

Meaning

The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.

Example

The Industrial Revolution marked a shift in production processes.

産業革命は生産プロセスにおける変化を示しました。

B2 verb ˈɪmplɪment

implement

実施する

Meaning

To put a decision or plan into effect; to execute or apply.

Example

Implementing educational policies is essential for progress.

教育政策を実施することは進歩にとって重要です。

B2 adverb /ɪmˈpeɪʃəntli/

impatiently

いらいらして

Meaning

in a manner showing annoyance or restlessness due to delay or waiting

Example

She tapped her fingers impatiently while waiting for the reply.

彼女は返事を待ちながらいらいらして指を叩いていた。

B2 noun ˌɪn.tɪˈɡreɪ.ʃən

integration

統合。統一。

Meaning

The action or process of integrating; the process of combining or adding parts to make a unified whole.

Example

Integration of networks will improve global communication.

ネットワークの統合は、グローバルなコミュニケーションを改善します。

B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

制度的

Meaning

Relating to an organization or established practice.

Example

The government made several institutional reforms in education.

政府は教育においていくつかの制度的改革を実施しました。

B2 verb /ˈɪmɪɡreɪt/

immigrate

移住する

Meaning

to come to live permanently in a foreign country

Example

He immigrated to Canada five years ago.

彼は5年前にカナダに移住しました。

B2 adjective /ɪnˈsɛnsətɪv/

insensitive

無神経な

Meaning

Showing or feeling no concern for others' feelings.

Example

His insensitive comment hurt her deeply.

彼の無神経なコメントは彼女を深く傷つけました。

B2 adjective/noun /ɪˈrɑːki/

iraqi

イラクの

Meaning

relating to Iraq or its people

Example

The Iraqi culture is rich and diverse.

イラクの文化は豊かで多様です。

B2 verb /ˈɪl.ə.streɪt/

illustrate

説明する

Meaning

to explain or make something clear by using examples, pictures, or comparisons

Example

The teacher used diagrams to illustrate the concept.

先生はその概念を説明するために図を使いました。

B2 verb ɪmˈpoʊz

imposes

課す

Meaning

To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.

Example

Pollution imposes harmful effects on the environment.

汚染は環境に有害な影響を課します。

B2 noun /ˌɪnəˈbɪləti/

inability

無能

Meaning

the state of being unable to do something

Example

His inability to make decisions affected his career.

彼の意思決定の無能さは彼のキャリアに影響を与えた。

B2 adjective /ɪnˈkluːsɪv/

inclusive

包括的

Meaning

Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.

Example

Inclusive growth benefits all sections of society.

包括的な成長は、社会のすべての層に利益をもたらします。

B2 verb /ɪmˈprɪzən/

imprison

投獄する

Meaning

to put someone in prison; to confine or restrict someone's freedom

Example

The judge imprisoned the criminal for five years.

裁判官は犯罪者を5年間投獄しました。

B2 verb /ɪnˈhæbɪt/

inhabit

住む

Meaning

to live in; to occupy as a dwelling

Example

Many animals inhabit the forest.

多くの動物が森に住んでいます。

B2 noun /ˈɪm.pʌls/

Impulse

衝動; 突然の欲求

Meaning

a sudden strong and unreflective urge or desire to act; a driving force or motivation

Example

She bought the expensive dress on impulse and later regretted the purchase.

彼女は衝動で高価なドレスを買い、後でその購入を後悔しました。

B2 noun /ˌɪntərˈfɪərəns/

interference

干渉

Meaning

the action of interfering with something

Example

The radio signal was disrupted due to interference from nearby electronics.

近くの電子機器からの干渉で、ラジオ信号が途絶えました。

B2 noun /ˈaɪrəni/

irony

皮肉

Meaning

a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning

Example

The irony of the situation was that the winner forgot his own prize.

その状況の皮肉は、勝者が自分の賞を忘れたことでした。

B2 verb /ɪtʃ/

itch

かゆみ

Meaning

to feel an urge to scratch; to have a restless desire

Example

My skin itches from the mosquito bites.

蚊に刺されて肌がかゆいです。

B2 adjective /aɪˈdentɪkəl/

Identical

同一の; 全く同じ

Meaning

exactly the same; not different in any way

Example

The twins look completely identical to each other.

双子は完全に同じに見えます。

B2 noun /ˌɪntərˈsɛkʃən/

intersection

交差点

Meaning

a point where two or more things intersect, especially a road or path

Example

The intersection of Main Street and 5th Avenue is always busy.

メインストリートと5番街の交差点はいつも混んでいます。

B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

炎症

Meaning

A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.

Example

Chronic inflammation can lead to severe diseases.

慢性炎症は重篤な疾患を引き起こす可能性があります。

B2 verb /ɪmˈpoʊz/

impose

課す

Meaning

to force someone to accept something; to establish or apply by authority

Example

The government imposed new taxes on luxury goods.

政府は高級品に新しい税を課した。

B2 adjective /ˌɪnkənˈviːniənt/

Inconvenient

不便な; 面倒な; 困難な

Meaning

causing trouble, difficulties, or discomfort; awkward; troublesome

Example

The broken elevator made it inconvenient to reach the top floor.

壊れたエレベーターは、最上階に到達するのを不便にしました。

B2 adjective /ˈaɪsi/

Icy

氷のような; 非常に冷たい; 敵対的

Meaning

extremely cold; covered with ice; unfriendly or hostile

Example

The icy wind made everyone shiver.

氷のような風が皆を震えさせた。

B2 noun /ɪnˈhæbɪtənt/

inhabitant

住民

Meaning

a person or animal that lives in a particular place

Example

The inhabitants of the village rely on farming for their livelihood.

村の住民は生活のために農業に頼っています。

B2 adjective /ˌɪntərˈmiːdiət/

intermediate

中級

Meaning

Coming between two things in time, place, or order; in the middle level or stage.

Example

She is taking an intermediate-level French course.

彼女は中級のフランス語コースを受講しています。

B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

見えない

Meaning

unable to be seen; not visible to the eye

Example

The bacteria are invisible without a microscope.

細菌は顕微鏡なしでは見えません。

B2 adjective /ˌɪnkəmˈpliːt/

incomplete

不完全

Meaning

Not finished, lacking some parts or not whole.

Example

Her report was incomplete and needed further details.

彼女の報告は不完全で、詳細が必要でした。

B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

通訳者; 翻訳者;

Meaning

a person who translates orally from one language into another; someone who explains meaning

Example

The international conference hired professional interpreters to translate speeches in real time.

国際会議は、スピーチをリアルタイムで翻訳するためにプロの通訳者を雇いました。

B2 verb /ˈɪr.ɪ.teɪt/

irritate

イライラさせる

Meaning

To make someone annoyed or angry; to cause discomfort or inflammation.

Example

Rubbing your eyes can irritate them.

目をこすると、それが刺激になることがあります。

B2 noun ˈɪnər strɛŋkθ

inner strength

内面の強さ

Meaning

Mental or spiritual power that helps a person cope with difficulties.

Example

Community service fosters inner strength in individuals.

コミュニティサービスは個人に内面的な強さを育む。

B2 verb /ɪnˈdʒɛkt/

inject

注射する

Meaning

To introduce a substance, especially a drug, into the body using a needle.

Example

The nurse will inject the vaccine into the patient's arm.

看護師は患者の腕にワクチンを注射します。

B2 adjective /ɪnˈfɪə.ri.ər/

inferior

劣等

Meaning

Of lower quality, rank, or status.

Example

This material is inferior to the one we used before.

この素材は以前使ったものより劣っています。

B2 adverb /aɪˈrɒnɪkli/

ironically

皮肉にも

Meaning

in a way that is contrary to what is expected or intended

Example

Ironically, the fire station burned down.

皮肉にも、消防署が焼け落ちた。

B2 noun ˈɪn.deks

index

インデックス

Meaning

An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.

Example

An index organizes critical data.

インデックスは重要なデータを整理します。

B2 noun ˌɪn.stəˈleɪ.ʃən

installation

インストール

Meaning

The action or process of installing someone or something, or of being installed.

Example

The installation of the submarine cable is almost complete.

海底ケーブルのインストールはほぼ完了しています。

B2 verb /ˈɪnəveɪt/

innovate

革新

Meaning

To introduce new methods, ideas, or products.

Example

The company must innovate to stay ahead of its competitors.

その企業は競争相手を追い越すために革新を続けなければならない。

B2 noun /ɪnˈspɛktər/

inspector

検査官

Meaning

An official employed to ensure regulations are obeyed or standards are met.

Example

The inspector carefully checked the restaurant's kitchen for hygiene standards.

検査官はレストランのキッチンを衛生基準に従って慎重に確認しました。

B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

識字障害者; 読み書きができない; 無知

Meaning

unable to read or write; lacking education

Example

The program aims to help illiterate adults learn to read and write.

このプログラムは、識字率の低い成人が読み書きを学ぶ手助けをすることを目的としています。

B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

不完全

Meaning

a flaw, defect, or weakness; the state of being imperfect

Example

She accepted her imperfection as part of being human.

彼女は人間であることの一部として自分の不完全さを受け入れた。

B2 adjective ˈɪn.tɪ.ɡrəl

integral

不可欠

Meaning

Necessary to make a complete whole; essential or fundamental.

Example

Exercise is an integral part of a healthy lifestyle.

運動は健康的なライフスタイルの不可欠な部分です。

B2 noun /ˈɪnvənˌtɔːri/

inventory

インベントリ

Meaning

A complete list of items, such as goods in stock or property.

Example

The shopkeeper checked the inventory before opening the store.

店主は店を開店する前にインベントリを確認しました。

B2 adjective /ɪnˈtɒlərənt/

intolerant

不寛容

Meaning

unwilling to accept or respect beliefs or behavior different from one's own

Example

He is intolerant of any opinion that differs from his own.

彼は自分の意見と異なる意見を全く容認しません。