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 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 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 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 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 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 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 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 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 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 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 verb aɪˈdɛntɪfaɪd

identified

特定された

Meaning

To recognize or establish who or what someone or something is.

Example

The root causes of the issue need to be identified.

問題の根本的な原因は特定される必要があります。

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 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 /ɪnˈsɪstəns/

insistence

強い要求

Meaning

the act of demanding something firmly or repeatedly

Example

At his insistence, we stayed longer.

彼の強い要求で、私たちは長く滞在しました。

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 /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 /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 /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 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 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 /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 /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 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 verb /ɪnˈstrʌkt/

instruct

指示する

Meaning

to teach; to give directions

Example

The teacher instructed the students carefully.

先生は生徒に注意深く指示しました。

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 /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 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 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 /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 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 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 /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 /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 /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 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 /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 /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 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 /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 /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 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 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 /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 /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 /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 /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.təˈven.ʃən

intervention

介入

Meaning

The action or process of intervening; involvement in a situation to improve or help it.

Example

The intervention of the UN was crucial in resolving the conflict.

国連の介入は紛争を解決する上で重要だった。

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 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 /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 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 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 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 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 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 /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 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 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 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 /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 /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 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

導入の

Meaning

Serving as an introduction; preliminary or preparatory.

Example

The professor gave an introductory lecture on economics.

教授は経済学についての導入の講義を行いました。

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。

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 /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 /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 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 /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 /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 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 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 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 /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 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 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 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 /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 /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 /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 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 /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 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 /ɪˈreɡjələr/

irregular

不規則な

Meaning

not even or consistent in shape, pattern, time, or behavior; not following normal rules

Example

His attendance at work has been irregular this month.

今月、彼の出勤は不規則だった。

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 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 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 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。

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 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 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 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 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 /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 /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 /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 /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 /ɪmˈpeɪʃəns/

impatience

忍耐力不足

Meaning

The state of being quickly irritated or unable to wait calmly.

Example

His impatience grew as the meeting dragged on.

会議が長引くにつれて、彼の忍耐力不足が増しました。

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。