C2 noun /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

統合的外交

Meaning

A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.

Example

Integrative diplomacy strengthens alliances.

統合的外交は同盟を強化する。

B1 noun /ˈɪnstrəmənt/

instrument

楽器

Meaning

A tool or device used for a particular purpose, especially for scientific or musical work.

Example

The doctor used a special instrument during the surgery.

医師は手術中に特別な楽器を使用しました。

C1 adjective /ɪnˈdʌstriəs/

industrious

勤勉な

Meaning

Hardworking and diligent in one's duties.

Example

She is an industrious student who always completes her assignments on time.

彼女は常に期限通りに課題を終わらせる勤勉な学生です。

C1 noun /ɪnˈfɜːməri/

infirmary

診療所

Meaning

A hospital or place where the sick or injured are cared for.

Example

The school had an infirmary for minor injuries.

学校には軽傷のための診療所がありました。

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。

C1 noun/verb /ˈɪnsɛns/

incense

お香 / 激怒させる

Meaning

a substance burned for its sweet smell (noun); to make very angry (verb)

Example

The smell of incense filled the temple, but his rude words incensed her.

お香の香りが寺院を満たしましたが、彼の失礼な言葉は彼女を激怒させました。

C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

間作農業

Meaning

The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.

Example

Intercropping can help improve soil fertility and pest control.

間作農業は土壌の肥沃度と害虫管理の向上に役立ちます。

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。

C1 verb /ɪnˈskraɪb/

inscribe

刻む

Meaning

to write or carve words or symbols on a surface

Example

They inscribed her name on the trophy.

彼らはトロフィーに彼女の名前を刻みました。

C1 noun /ɪnˈdjuːsmənt/

inducement

誘因

Meaning

something that persuades or encourages someone to do something

Example

The company offered a bonus as an inducement to employees.

会社は従業員にインセンティブとしてボーナスを提供しました。

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。

C2 verb /ɪmˈpeɪl/

impale

突き刺す

Meaning

to pierce or fix something with a sharp object

Example

The knight was impaled by the enemy’s spear.

騎士は敵の槍で突き刺さった。

B1 adverb /ɪnˈkriːsɪŋli/

increasingly

ますます

Meaning

more and more over time

Example

People are increasingly concerned about climate change.

人々は気候変動についてますます懸念しています。

C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

偶像崇拝

Meaning

To worship idols; to regard with excessive devotion or admiration.

Example

They began to idolatrize the statue as a deity.

彼らはその像を神として崇拝し始めました。

C1 adjective /ɪmˈpɑːrʃəl/

Impartial

公正; 中立的

Meaning

treating all sides fairly; unbiased; neutral

Example

A good judge must remain impartial throughout the trial.

優れた裁判官は裁判中に公正を保たなければなりません。

C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

強化

Meaning

The process of becoming or making something more intense or extreme.

Example

The intensification of climate change requires urgent action.

気候変動の強化は緊急の行動を必要とします。

C1 verb /ɪmˈpɛrɪl/

imperil

危険にさらす

Meaning

To put in danger or at risk.

Example

Reckless driving can imperil the lives of others.

無謀な運転は他人の命を危険にさらす可能性があります。

B1 adjective /ɪmˈpres.ɪv/

Impressive

印象的な

Meaning

striking; remarkable; having the ability to impress

Example

Her impressive performance earned her a standing ovation.

彼女の印象的な演技はスタンディングオベーションを受けた。

C2 verb /ˌɪmpɔːrˈtuːn/

importune

しつこく頼む

Meaning

To ask someone persistently or pressingly for something

Example

The child importuned his mother for a new toy.

その子供は新しいおもちゃを欲しがって母親にしつこく頼んだ。

C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

不屈の

Meaning

Impossible to subdue or defeat.

Example

Her indomitable spirit helped her overcome adversity.

彼女の不屈の精神が彼女を逆境を克服させた。

B1 noun /ˌɪntərˈækʃən/

interaction

相互作用

Meaning

The process of people or things acting upon or influencing each other.

Example

The teacher encouraged more interaction between students.

教師は生徒間のさらなるインタラクションを促進しました。

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 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。

C1 adjective /ˌɪməˈtɪəriəl/

immaterial

無関係

Meaning

Not important or relevant; lacking physical substance.

Example

The judge ruled that the argument was immaterial to the case.

裁判官はその議論が事件に関係ないと判断しました。

C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

論争の余地がない

Meaning

impossible to deny or dispute; unquestionable

Example

The evidence was incontrovertible and proved his innocence.

その証拠は論争の余地がなく、彼の無罪を証明しました。

C1 adjective ɪnˈtrɪn.zɪk

intrinsic

内在的, 本質的, 自然な

Meaning

Belonging naturally; essential. Existing as a natural or basic part of something.

Example

Creativity is an intrinsic quality of a great artist.

創造性は偉大なアーティストの内在的な資質です。

C2 verb /ˌɪntərˈsiːd/

intercede

Meaning

to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute

Example

She interceded with the teacher to give her brother another chance.

C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

反抗

Meaning

Defiance of authority; refusal to obey orders.

Example

The soldier was punished for insubordination during the mission.

その兵士はミッション中の反抗で罰せられました。

C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

気づかれない

Meaning

So subtle or gradual that it is difficult to notice or perceive

Example

The changes in his behavior were imperceptible at first.

彼の行動の変化は最初は気づかれないものでした。

B1 noun ɪnˈvestmənt

investment

投資

Meaning

The action or process of investing money for profit or material result.

Example

Investment in waste management infrastructure is essential.

廃棄物管理インフラへの投資は不可欠です。

C1 noun /ˈɪmɪdʒəri/

imagery

イメージ

Meaning

visually descriptive or figurative language, especially in a literary work

Example

The poet's use of imagery brought the scene to life.

詩人のイメージの使用は、シーンに命を吹き込みました。

C2 adjective /aɪˈdɒlətrəs/

idolatrous

偶像崇拝者

Meaning

Excessively admiring or worshipping someone or something as an idol.

Example

The king was criticized for his idolatrous devotion to wealth.

王は富に対する偶像崇拝的な献身で批判されました。

C1 adjective /ɪnˈkɒŋɡruəs/

incongruous

不調和

Meaning

Not fitting in with or suitable for the surroundings.

Example

His jokes were incongruous during the serious meeting.

彼の冗談は真面目な会議では不調和だった。

B1 verb /ɪnˈvɑːlv/

involve

関与する

Meaning

to include as a necessary part, or to engage someone in an activity

Example

The project will involve several departments working together.

このプロジェクトは、いくつかの部署が一緒に働くことを含むでしょう。

C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

理想主義的

Meaning

pursuing high principles or ideals; unrealistically optimistic

Example

She has an idealistic view of changing the world.

彼女は世界を変えるという理想主義的な見方を持っています。

C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

扇動者

Meaning

A person who brings about or initiates something, usually something bad.

Example

The police identified him as the instigator of the violence.

警察は彼を暴力の扇動者として特定しました。

C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

恩知らず

Meaning

Lack of gratitude; failure to show thanks or appreciation.

Example

His ingratitude hurt her feelings after all she had done for him.

彼の恩知らずは、彼女が彼のために多くのことをした後、彼女の気持ちを傷つけた。

C2 noun /ɪnˈsuːsiəns/

insouciance

無関心

Meaning

Casual lack of concern; indifference.

Example

She carried herself with an air of insouciance, unbothered by the challenges ahead.

彼女は無関心な態度で歩いていた、前にある挑戦を気にせずに。

C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

非効率

Meaning

The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.

Example

Government inefficiency leads to slow project completion.

政府の非効率性がプロジェクトの完了を遅らせる。

A2 noun /ˈɪnfoʊ/

info

情報

Meaning

information; knowledge or facts about something or someone

Example

She gave me all the info I needed for the meeting.

彼女は会議に必要なすべての情報を私にくれました。

C2 noun /ɪnˈtɛmpərəns/

intemperance

節度を欠くこと

Meaning

Lack of moderation or self-control, especially with drinking or eating.

Example

His intemperance in drinking ruined his health.

彼の飲酒の節度を欠くことが健康を害した。

C1 noun /ˌɪnkɑːrˈneɪʃən/

incarnation

化身

Meaning

the embodiment of a deity, spirit, or quality in a physical form

Example

The monk was considered the incarnation of compassion.

その僧侶は慈悲の化身と見なされていた。

C2 adjective /ɪmˈpæsɪbəl/

impassible

無痛性

Meaning

Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).

Example

Some philosophers argue that God is impassible and cannot experience human emotions.

一部の哲学者は、神は無痛性であり、人間の感情を感じることはできないと主張しています。

C1 verb /ɪnˈvælɪdeɪt/

invalidate

無効にする

Meaning

To make something not valid or legally acceptable.

Example

The new evidence may invalidate the previous ruling.

新しい証拠が前の判決を無効にするかもしれません。

C2 noun /ˈɪn.fɪ.del/

Infidel

異教徒

Meaning

a person who does not believe in religion or whose religious beliefs differ from one's own

Example

In historical contexts, crusaders often referred to their enemies as infidels.

歴史的な文脈では、十字軍はしばしば自分たちの敵を異教徒と呼んでいました。

C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

開幕

Meaning

marking the beginning of something; first; opening

Example

The president delivered his inaugural speech.

大統領は彼の開幕スピーチを行いました。

C2 noun /ˈɪndələns/

indolence

怠惰

Meaning

Avoidance of activity or exertion; laziness.

Example

His indolence kept him from finishing the project on time.

彼の怠惰は彼が時間通りにプロジェクトを完成させるのを妨げました。

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。

C2 adjective /ɪnˈsuːpərəbl/

insuperable

克服できない

Meaning

Impossible to overcome or surpass.

Example

The team faced insuperable challenges during the expedition.

チームは遠征中に克服できない課題に直面しました。

A2 noun /ɪŋk/

Ink

インク

Meaning

a colored fluid used for writing, drawing, or printing; a dark liquid ejected by cuttlefish

Example

The old fountain pen leaked ink all over his white shirt during the meeting.

古い万年筆は会議中に白いシャツにインクをこぼしました。

C2 noun /ɪnˈtɒksɪkənt/

intoxicant

酔わせる物質

Meaning

a substance, especially alcohol or a drug, that causes intoxication

Example

Alcohol is the most commonly used intoxicant in many cultures.

アルコールは多くの文化で最も一般的に使用される酔わせる物質です。

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。

C1 adjective /ɪnˈvɛntɪv/

inventive

創造的

Meaning

Having the ability to create or design new things or to think originally.

Example

The inventor was known for his inventive solutions to everyday problems.

発明家は日常の問題に対する創造的な解決策で知られていた。

C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

介入主義

Meaning

Government policy of active involvement in economic affairs.

Example

The central bank's interventionism helped stabilize inflation.

中央銀行の介入主義はインフレの安定に役立った。

C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

重要でないこと

Meaning

The quality of being unimportant or trivial.

Example

He felt a sense of insignificance in the vast universe.

彼は広大な宇宙で重要でないことを感じました。

C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

未完成

Meaning

Just begun and not fully formed; rudimentary.

Example

His inchoate ideas needed more research to be developed.

彼の未完成のアイデアは、さらに開発するためにもっと研究が必要だった。

C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

無害な

Meaning

Not likely to offend or provoke; harmless.

Example

His inoffensive remarks kept the conversation friendly.

彼の無害なコメントは会話を友好的に保ちました。

C2 noun /ɪˈrɛvərəns/

irreverence

不敬

Meaning

a lack of respect for people or things that are generally taken seriously

Example

His jokes about religion showed irreverence to the sacred traditions.

宗教についての彼の冗談は、神聖な伝統に対する不敬を示していました。

C1 adjective /ɪnˈfleɪtɪd/

inflated

膨らんだ

Meaning

excessively increased in size, value, or importance; filled with air or gas

Example

The company faced criticism for its inflated prices.

その会社は膨らんだ価格で批判を受けました。

B1 adjective /ˈɪrɪteɪtɪŋ/

irritating

いらいらさせる

Meaning

causing annoyance, impatience, or mild anger

Example

The constant noise from the street is extremely irritating.

通りからの絶え間ない騒音はいらいらさせる。

C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

直感的

Meaning

Based on instinctive understanding rather than reasoning.

Example

The software has an intuitive design that makes it easy to use.

そのソフトウェアは直感的なデザインを持っており、使いやすいです。

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。

C1 adjective ɪˈneɪt

Innate

生まれつきのまたは自然の

Meaning

Existing from birth or natural

Example

She has an innate talent for music.

彼女は音楽において生まれつきの才能を持っている。

C1 verb /ɪnˈtɪmɪdeɪt/

intimidate

Meaning

To frighten or overawe someone, especially to make them do what one wants.

Example

The bully tried to intimidate the smaller kids.

C2 noun /ˈaɪ.kɒn/

ikon

宗教的な画像やシンボル

Meaning

A religious image or symbol, especially in the Eastern Orthodox Church.

Example

The church displayed a beautifully painted ikon of the Virgin Mary.

教会は美しく描かれた聖母マリアのアイコンを展示しました。

C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

無機の

Meaning

relating to substances that are not derived from living organisms; lacking organic structure or growth

Example

Inorganic compounds are commonly studied in chemistry labs.

無機化合物は化学の基本です。

C1 adjective /ɪnˈedəbəl/

Inedible

食べられない

Meaning

not suitable or safe for eating; not edible

Example

The mushrooms were poisonous and completely inedible.

そのキノコは毒性があり、完全に食べられないものでした。

C2 verb /ɪˈmjʊər/

immure

閉じ込める

Meaning

to confine or enclose someone against their will

Example

The prisoner was immured in a dark cell.

囚人は暗い監房に閉じ込められた。

C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可約

Meaning

impossible to reduce or simplify further

Example

The fraction 3/7 is irreducible.

分数 3/7 は不可約です。

C2 adjective /ɪmˈpræktɪkəbl/

impracticable

実行不可能

Meaning

Not capable of being carried out or put into practice.

Example

The plan seemed impracticable due to limited resources.

資源が限られていたため、計画は実行不可能に見えました。

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 /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。

C2 verb /ɪmˈpjuːn/

impugn

Meaning

to dispute the truth, validity, or honesty of a statement or motive

Example

The lawyer tried to impugn the credibility of the witness.

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。

C1 adjective /ˌɪlɪˈdʒɪtɪmət/

illegitimate

不正

Meaning

Not authorized by law, rules, or standards; not recognized as valid.

Example

The court ruled the contract to be illegitimate.

裁判所は契約が不正であると判断しました。

C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

非の打ち所がない

Meaning

Beyond criticism; faultless.

Example

The judge was known for his irreproachable integrity.

その裁判官は非の打ち所がない誠実さで知られていた。

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 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。

C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

伸縮不可

Meaning

Not capable of being stretched or extended.

Example

This rope is made of an inextensible material.

このロープは伸縮不可の材料でできています。

B1 noun aɪˈdɛntɪti

identity

アイデンティティ

Meaning

The fact of being who or what a person or thing is; the characteristics determining who or what a person or thing is.

Example

The day reinforces our national identity.

その日は私たちの国民的アイデンティティを強化します。

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。

C1 adjective ɪnˈdʒiː.ni.əs

ingenious

独創的

Meaning

Showing inventiveness and skill; clever, original, and inventive.

Example

His ingenious ideas transformed modern physics.

彼の独創的なアイデアは現代物理学を変えました。

C1 verb ɪˈnɪʃɪeɪtɪd

initiated

開始された

Meaning

Caused a process or action to begin; started something.

Example

The project was initiated to enhance marine biodiversity.

プロジェクトは海洋生物多様性を向上させるために開始されました。

B1 noun/adjective /ˈɪnstənt/

instant

瞬間

Meaning

A very short period of time; happening immediately.

Example

He replied in an instant without hesitation.

彼は躊躇うことなく瞬時に返答した。

C2 noun /ɪnˈvɛstɪtʃər/

investiture

任命式

Meaning

the formal ceremony of conferring authority, rank, or office

Example

The king held an investiture ceremony for the new knight.

王は新しい騎士のために任命式を開催しました。

C1 adjective /ˌɪnkənˈsɪdərət/

inconsiderate

思いやりがない

Meaning

Thoughtless; showing a lack of concern for others.

Example

It was inconsiderate of him to play loud music late at night.

夜遅くに大きな音で音楽を流すことは、思いやりがない行動でした。

C2 adjective /ɪˈmɪsəbl/

immiscible

不混和

Meaning

Describes liquids that do not mix together.

Example

Oil and water are immiscible liquids.

油と水は不混和の液体です。

C1 noun (plural) /ˈɪndɪˌsiːz/

indices

インデックス

Meaning

plural form of index; statistical measures or reference points used for comparison

Example

Stock market indices fell sharply after the announcement.

発表後、株式市場のインデックスは急落しました。

B1 verb /ɪnˈfɔ:m/

inform

通知する

Meaning

to tell someone about something; to give information

Example

Please inform me when you arrive at the airport.

空港に到着したら、私に通知してください。

C2 noun /ˌɪnvəˈkeɪʃən/

invocation

祈願

Meaning

the act of calling upon a higher power for help, blessing, or inspiration

Example

The ceremony began with an invocation to the gods.

儀式は神々への祈願から始まりました。

C2 verb /ˈɪmprɪkeɪt/

imprecate

呪う

Meaning

To utter a curse or invoke evil upon someone.

Example

The old woman imprecated her enemies with dark words.

その年老いた女性は暗い言葉で敵を呪いました。

C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

効果がない

Meaning

Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.

Example

The manager’s ineffectual leadership caused the team to lose motivation.

マネージャーの効果がないリーダーシップは、チームがモチベーションを失う原因となった。

C2 noun (compound/erroneous entry) /ɪnˈɛksərəbl ɑːrmi/

inexorableinexorablearmy

止められない軍隊

Meaning

This appears to be a corrupted or concatenated form; interpreted as 'inexorable army' — an unstoppable or relentless force.

Example

The rebels feared the inexorable army approaching their stronghold.

反乱軍は自分たちの砦に近づいてくる止められない軍隊を恐れていた。

C2 noun /ˈɪnroʊd/

inroad

進展

Meaning

An advance or significant progress, often at the expense of something else.

Example

The company made significant inroads into the mobile market.

その会社はモバイル市場で重要な進展を遂げました。

C1 adjective ˌɪn.tə.dʒen.əˈreɪ.ʃən.əl

intergenerational

世代間、異なる世代間で発生する

Meaning

Existing or occurring between different generations of a family.

Example

Intergenerational wisdom ensures cultural continuity.

インタージェネレーショナルな知恵は文化的継続性を確保する。

C2 noun /ˌɪnvəˈluːʃən/

involution

インヴォリューション

Meaning

a complicated or intricate form or state; in biology, the shrinking of an organ after its function has finished

Example

The story was full of involution, making it hard to follow.

その話はインヴォリューションで満ちており、追うのが難しかった。

C2 adjective /ɪnˈkɒŋɡruənt/

incongruent

不一致な

Meaning

Not in harmony or keeping with the surroundings or other aspects.

Example

His casual outfit looked incongruent at the formal dinner.

彼のカジュアルな服装は正式なディナーで不一致に見えた。

C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

攻略不可能

Meaning

Unable to be captured, broken into, or defeated.

Example

The fortress was considered impregnable by the enemy.

その要塞は敵によって攻略不可能と見なされていました。

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。

C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

無形

Meaning

lacking a physical body; not composed of matter; intangible

Example

Ghosts are often described as incorporeal beings.

ゴーストはしばしば無形の存在として描かれます。

C2 verb /ˈɪntərˌdɪkt/

interdict

禁じる

Meaning

to prohibit or forbid something by authoritative order, often by law or decree

Example

The court moved to interdict the sale of the illegal goods.

裁判所は違法な商品の販売を禁じることを決定しました。

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。

B1 noun /ɪnˈstrʌkʃən/

instruction

指示

Meaning

Detailed information telling how something should be done or operated.

Example

Please read the instruction carefully before using the machine.

機械を使用する前に指示をよく読んでください。

C1 verb /ɪmˈbɛd/

imbed

埋め込む

Meaning

To fix firmly or deeply in a surrounding mass.

Example

The journalist imbedded himself with the troops to report firsthand.

ジャーナリストは部隊に埋め込まれて、最前線から報告を行った。

C2 noun /ɪˈrʌp.ʃən/

Irruption

突然の暴力的な侵入; 侵略または襲撃; 突然の噴出または噴火

Meaning

a sudden violent entry; an invasion or raid; a sudden outburst or eruption

Example

The army's irruption into enemy territory caught the opposing forces completely off guard.

軍隊の敵領土へのイラプションは、相手の力を完全に不意を突いた。

C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

耐えられない

Meaning

Too extreme or difficult to be endured.

Example

The heat was insupportable during the long journey.

長い旅の間、暑さは耐えられなかった。

A1 pronoun /ɪt/

it

それ

Meaning

used to refer to a thing, animal, or idea previously mentioned or easily identified

Example

It is raining outside.

外では雨が降っています。

C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

補間

Meaning

The act of inserting something into a text or estimating values within a sequence of data.

Example

The scientist used interpolation to predict the missing data points.

科学者は欠落したデータポイントを予測するために補間を使用しました。

C2 adjective /ɪnˈkɒrɪdʒəbəl/

incorrigible

訂正不可能な

Meaning

incapable of being corrected, improved, or reformed

Example

He is an incorrigible optimist who never loses hope.

彼は決して希望を失わない訂正不可能な楽観主義者です。

C2 verb /ɜːrk/

irk

苛立たせる

Meaning

to annoy or irritate someone

Example

It irks me when people are late without calling.

人々が電話をかけずに遅れると、私はイライラします。

C2 adjective /aɪˈtɪnərənt/

itinerant

旅する

Meaning

Traveling from place to place, especially for work or duty.

Example

The itinerant teacher moved from village to village to educate children.

その旅する教師は村から村へと移動して子供たちに教育をしていました。

C2 noun /aɪˈdɒlətri/

idolatry

偶像崇拝

Meaning

The worship of idols or extreme admiration for someone or something.

Example

The priest condemned the idolatry practiced in the village.

司祭は村で行われている偶像崇拝を非難した。

C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

洞察力、分析能力

Meaning

The capacity to gain an accurate and deep intuitive understanding of a person or thing.

Example

His insightfulness helped solve the complex problem.

彼の洞察力は複雑な問題を解決するのに役立ちました。

C2 noun /ˈɪmɪˌteɪtər/

imitator

模倣者

Meaning

a person who copies the behavior, style, or actions of others

Example

He became famous as an imitator of popular singers.

彼は人気のある歌手の模倣者として有名になった。

B1 adjective /ˌɪnɪkˈspɛnsɪv/

Inexpensive

安い; 手頃な; 経済的

Meaning

not costing a lot of money; affordable; budget-friendly

Example

This restaurant offers delicious and inexpensive meals for students.

このレストランは学生のためにおいしくて安い食事を提供しています。

C1 noun /aɪˈtɪnərɛri/

itinerary

旅程

Meaning

A planned route or schedule of a journey or trip.

Example

The travel agent gave us a detailed itinerary for our vacation.

旅行代理店は私たちの休暇のために詳細な旅程を提供してくれました。

C2 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

細胞内

Meaning

Located or occurring within a cell.

Example

The drug works by targeting intracellular bacteria.

薬は細胞内の細菌をターゲットにして作用します。

C2 adjective /ɪnˈsɛnseɪt/

insensate

無感情な

Meaning

lacking physical sensation or empathy; without feeling or sensitivity

Example

The dictator's insensate cruelty shocked the world.

独裁者の無感情な残虐さは世界を驚かせた。

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 /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。

C1 noun /ɪˈmiːdiəsi/

immediacy

即時性, 緊迫感

Meaning

The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.

Example

The immediacy of digital communication has reshaped business operations.

デジタルコミュニケーションの即時性は、ビジネスの運営方法を変えました。