Industrial Revolution
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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 /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 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 /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 /ˈɪnˌteɪk/

intake

摂取
Meaning
the process of taking something in, especially food or drink
Example
He monitored his daily intake of calories to maintain a healthy diet.
彼は健康的な食事を維持するために毎日のカロリー摂取量を監視しました。
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 adjective ɪnˈev.ɪ.tə.bəl

inevitable

避けられない
Meaning
Certain to happen; unavoidable.
Example
Death is an inevitable part of life.
死は人生の避けられない一部です。
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 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 ɪnˈtɛɡrɪti

integrity

誠実
Meaning
The quality of being honest and having strong moral principles; moral uprightness.
Example
Teachers' integrity fosters a positive learning environment.
教師のインテグリティは、積極的な学習環境を促進します。
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 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 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 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 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 /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 noun /ɪnˈtɛnsəti/

intensity

強度
Meaning
The quality of being extreme, strong, or forceful in degree.
Example
The intensity of the storm frightened the villagers.
嵐の強度は村人たちを驚かせた。
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

隔離
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
患者は感染症の拡大を防ぐために隔離されました。
B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

重要でない
Meaning
Too small or unimportant to be worth considering.
Example
The cost was so insignificant that nobody noticed it.
そのコストは重要でなく、誰もそれに気づかなかった。
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 /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 /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 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 /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 /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 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 verb /ɪnˈsɜːrt/

insert

挿入する
Meaning
to put or place something into something else
Example
Please insert the key into the lock.
鍵をロックに挿入してください。
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 verb /ˌɪntərˈviːn/

intervene

介入する
Meaning
To come between people, groups, or events, often to prevent conflict or improve a situation.
Example
The teacher had to intervene to stop the fight between the students.
教師は生徒たちの間で喧嘩を止めるために介入しなければならなかった。
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 /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 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 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 adjective ˌɪnɪˈfɛktɪv

ineffective

効果がない
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
暗記学習はしばしば効果がないことが証明されます。
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 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 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 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 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 verb /ɪmˈplaɪ/

imply

暗示する
Meaning
To suggest something without directly stating it.
Example
Her tone seemed to imply that she was upset.
彼女の口調は、彼女が怒っていることを示唆しているようでした。
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 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 /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 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, 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 /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 noun /ˌɪntəˈrʌpʃən/

interruption

中断
Meaning
the act of stopping or breaking the continuity of something; a pause caused by an external action
Example
The meeting was delayed due to an unexpected interruption.
予期しない中断のため会議は遅れた。
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 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 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 /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 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 /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 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

模倣; コピー; レプリカ
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
彼の有名な俳優のイミテーションはとても上手で、みんなが笑い出しました。
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 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 adverb /ɪmˈpɔːtəntli/

importantly

重要な方法で
Meaning
in a way that is of great significance or value
Example
Importantly, the report highlights the need for immediate action.
重要な方法で、報告書は即時の行動の必要性を強調しました。
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 ɪnˈdɪdʒɪnəs

indigenous

先住民の
Meaning
Originating or occurring naturally in a particular place; native.
Example
Indigenous plants are well adapted to the local environment.
先住民の植物は地元の環境にうまく適応しています。
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 verb /ɪnˈsʌlt/

insult

侮辱する
Meaning
to speak or act in a way that hurts someone's feelings or shows disrespect
Example
He felt insulted by her rude comments.
彼は彼女の失礼なコメントで侮辱されたと感じた。
B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

インスティチュート
Meaning
as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate
Example
The university decided to institute new rules for the library.
大学は図書館のために新しいルールを設立することを決定しました。
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 /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 /ɪnˈherɪt/

inherit

相続する
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
彼女は祖母の家を相続しました。
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 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 /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 adjective aɪˈkɒnɪk

iconic

象徴的な
Meaning
Very famous or popular, especially being considered to represent particular opinions or a particular time.
Example
The line "It was the best of times..." is iconic.
"それは最良の時代だった…"というセリフは象徴的です。
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 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 /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 /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 /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 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 /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 /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 noun /ɪnˈfek.ʃən/

Infection

感染
Meaning
the process of infecting or the state of being infected; a disease caused by germs
Example
The doctor prescribed antibiotics to treat the bacterial infection in her throat.
医師は彼女の喉の細菌感染を治療するために抗生物質を処方しました。
B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

指示; 合図
Meaning
a sign or piece of information that indicates something; a suggestion or hint
Example
The dark clouds were a clear indication that a storm was approaching the area.
暗い雲は嵐がその地域に近づいていることを示す明確な指示でした。
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 /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 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 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 /ɪnˈkwaɪər/

inquire

尋ねる
Meaning
to ask; to investigate
Example
She inquired about the job opening.
彼女は仕事の募集について尋ねました。
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 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 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 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 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 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 /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 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 noun /ɪsˈlɑːm/

islam

イスラム教
Meaning
the religion founded by the Prophet Muhammad, based on belief in one God (Allah)
Example
Islam emphasizes peace, justice, and compassion.
イスラム教は平和、正義、そして慈悲を強調します。
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 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 /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 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 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 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 /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 verb /ɪnˈtɜːrprət/

interpret

Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
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 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 /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 /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 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 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 /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 /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 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 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 /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 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 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 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 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 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 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 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 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 /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.