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 /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 verb /ɪnˈdʌldʒ/

indulge

楽しむ

Meaning

to allow oneself to enjoy something enjoyable, often excessively

Example

He indulged in a piece of chocolate cake after dinner.

彼はディナーの後でチョコレートケーキの一切れを楽しんだ。

B2 adjective /ɪmˈprɒp.ər/

Improper

不適切な; 不正確な; 不適当な

Meaning

inappropriate; incorrect; not suitable

Example

It would be improper to discuss personal matters in a business meeting.

ビジネス会議で個人的な事柄を議論するのは不適切です。

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 ɪˈlɪtərəsi

illiteracy

識字率の低さ

Meaning

The inability to read and write; lack of education or knowledge in a particular area.

Example

Illiteracy often leads to poverty and unemployment.

識字率の低さは貧困や失業を引き起こすことがよくあります。

B2 adjective /ˌɪnɪˈfɪʃənt/

Inefficient

非効率的

Meaning

not achieving maximum productivity; wasteful of time or resources

Example

The old computer system was inefficient and wasted a lot of time.

古いコンピュータシステムは非効率的で、多くの時間を無駄にしました。

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 verb /ɪˈnɪʃieɪt/

initiate

開始する

Meaning

to begin or start; to introduce someone to a new activity

Example

The company will initiate a new training program.

会社は新しい研修プログラムを開始します。

B2 verb /ɪnˈspekt/

inspect

検査する

Meaning

to examine something carefully to check for problems or faults

Example

The engineer will inspect the building for structural damage.

エンジニアは建物の構造的な損傷を検査します。

B2 adverb /ɪnˈɛvɪtəbli/

inevitably

避けられない

Meaning

in a way that cannot be avoided or prevented

Example

Inevitably, the team faced challenges during the project.

避けられないことに、チームはプロジェクト中に挑戦に直面しました。

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 /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 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 /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 adjective /ɪˈmjuːn/

immune

免疫の

Meaning

protected from disease or from the effects of something

Example

Children who are vaccinated are immune to many diseases.

予防接種を受けた子供たちは多くの病気に免疫があります。

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 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 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 /ɪnˈfɔːrmətɪv/

Informative

有益な

Meaning

giving or providing useful information; educational; instructive

Example

The documentary was very informative and educational.

そのドキュメンタリーはとても有益で教育的でした。

B2 noun ɪnˈsɛntɪvz

incentives

インセンティブ

Meaning

Things that motivate or encourage one to do something.

Example

Tax incentives are used to encourage investment in renewable energy.

税制上のインセンティブは再生可能エネルギーへの投資を促進するために使用されます。

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 /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 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 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 adjective ɪˈmɜː.sɪv

immersive

没入型

Meaning

Providing, involving, or characterized by deep absorption or immersion in something.

Example

Virtual reality creates an immersive learning environment.

仮想現実は没入型の学習環境を作り出します。

B2 adverb /ˌɪndəˈrɛktli/

indirectly

間接的に

Meaning

in a way that is not direct; through an intermediate means or influence

Example

The policy affected small businesses indirectly.

その政策は中小企業に間接的に影響した。

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 /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 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 adjective /aɪˈrɒnɪk/

ironic

皮肉な、風刺的な

Meaning

happening in the opposite way to what is expected, often amusing or sarcastic

Example

It is ironic that the fire station burned down.

消防署が焼けるのは皮肉です。

B2 verb /ɪnˈkɔːrpəreɪt/

incorporate

組み込む

Meaning

to include something as part of a whole; to form a corporation

Example

The new design incorporates advanced technology.

新しいデザインは先進技術を組み込みます。

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 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

愚か

Meaning

extremely stupid; foolish; senseless

Example

His idiotic behavior embarrassed everyone at the meeting.

彼の愚かな行動は会議でみんなを困らせた。

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 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 adjective /ɪˈmɒrəl/

immoral

不道徳な

Meaning

Not conforming to accepted standards of morality; unethical or wicked.

Example

He was fired for his immoral behavior.

彼は不道徳な行動で解雇されました。

B2 noun /ˈɪntərfeɪs/

interface

インターフェイス

Meaning

a point where two systems, subjects, or organizations meet and interact

Example

The user interface is designed to be intuitive and user-friendly.

ユーザーインターフェイスは直感的で使いやすく設計されています。

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 /ɪnˈtɛnt/

intent

意図

Meaning

the purpose or reason behind an action; a strong determination to do something

Example

Her intent was to improve the quality of education in the community.

彼女の意図はコミュニティの教育の質を向上させることでした。

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 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 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 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 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 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 /ˈɪrɪteɪtɪd/

irritated

いらいらした

Meaning

feeling annoyed or impatient; having inflamed or sore physical condition

Example

She felt irritated by the constant noise outside her window.

窓の外の絶え間ない騒音に彼女はいらいらした。

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 /ɪnˈtækt/

intact

完全

Meaning

Remaining whole, complete, and undamaged.

Example

Despite the storm, the old house remained intact.

嵐にもかかわらず、古い家は完全な状態を保っていました。

B2 adjective /ɪnˈækjərət/

Inaccurate

不正確; 間違っている; 誤り

Meaning

not correct; containing errors; wrong

Example

The weather forecast was inaccurate yesterday.

昨日の天気予報は不正確でした。

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 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 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 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 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 noun /ɪˈluː.ʒən/

Illusion

幻想

Meaning

a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief

Example

The magician created a spectacular illusion that made the elephant appear to vanish.

魔術師は壮観な幻想を作り、象が消えるように見えました。

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 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 adjective /ˈɪɡ.nər.ənt/

Ignorant

無知

Meaning

lacking knowledge or awareness; uninformed

Example

She was ignorant about the new technology trends.

彼女は新しい技術のトレンドについて無知でした。

B2 verb /ɪmˈpoʊzd/

imposed

課す

Meaning

forced something to be accepted or put in place

Example

The government imposed new regulations on the industry.

政府は産業に新しい規制を課した。

B2 verb /ɪnˈdjuːs/

induce

誘発する

Meaning

to cause or persuade someone to do something; to bring about a result

Example

The doctor induced sleep with a mild sedative.

医師は軽い鎮静剤で睡眠を引き起こしました。

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 /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 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 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 verb /ɪnˈflɪkt/

inflict

加える

Meaning

to cause something unpleasant or painful to be suffered by someone or something

Example

The storm inflicted considerable damage to the city.

嵐は都市にかなりの被害を与えました。

B2 verb ˈɪmplɪmentɪd

implemented

実施された

Meaning

Put a decision or plan into effect; carried out or executed.

Example

The master plans were partially implemented.

マスタープランは部分的に実施されました。

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 /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 ˈɪn.frəˌstrʌk.tʃər

infrastructure

インフラストラクチャー

Meaning

The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.

Example

Digital infrastructure is vital for future advancements.

デジタルインフラストラクチャーは将来の進歩にとって不可欠です。

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 /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 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 /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 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 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 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 verb /ˌɪntərˈfɪər/

interfere

幸せ

Meaning

to become involved in something that is not your concern; to hinder or obstruct

Example

Parents should not interfere in their children’s personal choices.

彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。

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 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 noun /ɪnˈspekʃən/

inspection

検査

Meaning

a careful examination of something, especially to check that it is correct or safe

Example

The building passed the safety inspection last week.

その建物は先週、安全検査に合格しました。

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 /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 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 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 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 adjective /ˈaɪ.dəl/

Idle

怠惰な; 非活動的な; 使われていない

Meaning

lazy; inactive; not working or being used

Example

The factory workers were idle during the strike.

工場の労働者はストライキ中に暇だった。

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 /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 /ˌɪnəˈproʊpriət/

inappropriate

不適切

Meaning

not suitable or proper in the circumstances

Example

It was inappropriate to talk loudly in the library.

図書館で大声で話すのは不適切でした。

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 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 /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 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 /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 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 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 noun /ˈaɪ.dəl/

Idol

偶像; 崇拝される人物

Meaning

an image or representation of a god used as an object of worship; a person who is greatly admired

Example

The singer became a teenage idol after her hit song topped the charts worldwide.

その歌手はヒットソングが世界中のチャートで1位に達した後、ティーンエイジャーのアイドルとなった。

B2 noun /ɪnˈventər/

inventor

発明家

Meaning

a person who creates or designs something new, especially a device, method, or process

Example

The inventor patented her new medical device.

その発明家は新しい医療機器の特許を取得した。

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 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

灌漑

Meaning

The artificial application of water to land or soil.

Example

Irrigation systems improve crop yields in dry regions.

灌漑システムは乾燥した地域で作物の収穫量を増加させます。

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 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

解釈

Meaning

the action of explaining the meaning of something

Example

The teacher gave her own interpretation of the poem.

教師は詩の自分の解釈を示しました。

B2 verb /ˈɪntɪɡreɪt/

integrate

統合する

Meaning

To combine or bring together into a unified whole.

Example

The new system integrates data from multiple sources.

新しいシステムは複数のソースからデータを統合します。

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 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 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 /ˌɪnsɪˈkjʊərɪti/

insecurity

不安感

Meaning

lack of confidence or assurance; a state of uncertainty or vulnerability

Example

Her insecurity made her doubt her abilities despite her experience.

彼女の不安感は彼女に自分の能力を疑わせた。

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 /ɪnˈstrʌkʃənəl/

instructional

教育的な

Meaning

providing knowledge or information; intended to teach

Example

The website offers many instructional videos for beginners.

このウェブサイトは初心者向けに多くの教育的なビデオを提供しています。

B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

非常に興味深く、異常な; 好奇心を引き起こす

Meaning

very interesting and unusual; arousing curiosity

Example

The movie has an intriguing plot that keeps the audience hooked.

その映画は観客を引き付ける非常に興味深いプロットを持っています。

B2 noun /ɪnˈdʒɛkʃən/

injection

Meaning

the act of introducing a substance into the body through a needle

Example

The nurse gave me an injection to prevent the infection.

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 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 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 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 verb ɪnˈvɛst.ɪŋ

investing

投資

Meaning

The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.

Example

Investing in stocks can generate long-term wealth.

株式投資は長期的な富を生むことができます。

B2 noun /ɪnˈtɪəriər/

interior

インテリア

Meaning

the inside part of something; inner area of a place or object

Example

The interior of the hotel was beautifully decorated.

ホテルのインテリアは美しく装飾されていました。

B2 adjective ˌɪn.təˈræk.tɪv

interactive

インタラクティブ

Meaning

Allowing a two-way flow of information between it and a user, responding to the user's input.

Example

Interactive learning keeps students engaged in lessons.

インタラクティブな学習は、学生が授業に参加し続けるのを助けます。

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 adjective /ˈɪmpæktfʊl/

impactful

インパクトがある

Meaning

Having a major impact or effect; powerful and forceful.

Example

Her impactful speech moved the audience to take action.

彼女のインパクトのあるスピーチは、聴衆を行動に駆り立てた。