B2 adjective /ˌɪnkəmˈpliːt/

incomplete

不完全

Meaning

Not finished, lacking some parts or not whole.

Example

Her report was incomplete and needed further details.

彼女の報告は不完全で、詳細が必要でした。

B2 noun /ɪnˈkluːʒən/

inclusion

インクルージョン

Meaning

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

Example

Diversity and inclusion are key values in modern workplaces.

多様性とインクルージョンは現代の職場における重要な価値観です。

B2 noun /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。

C2 noun /ˌɪkθiˈɒlədʒi/

ichthyology

魚類学

Meaning

The branch of zoology that deals with fish.

Example

He pursued a degree in ichthyology at the university.

彼は大学で魚類学の学位を取得した。

C2 verb /ɪnˈveɪɡəl/

inveigle

誘惑する

Meaning

To persuade someone to do something by deception or flattery.

Example

She inveigled him into signing the contract.

彼女は彼に契約書に署名させた。

C2 verb /ɪmˈpjuːt/

impute

帰する

Meaning

to attribute a fault or responsibility to someone

Example

They imputed the company's success to good leadership.

彼らは会社の成功を良いリーダーシップに帰属させた。

C1 verb /ˈɪnfɪltreɪt/

infiltrate

浸透

Meaning

to secretly enter or gain access to a place or group

Example

The spies managed to infiltrate the enemy base.

スパイたちは敵基地に infiltrate できた。

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。

C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

不快な

Meaning

Uncomfortably small, cramped, or inconvenient.

Example

We had to stay in an incommodious room during the trip.

旅行中に不快な部屋に泊まらなければなりませんでした。

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。

B1 adjective /ɪnˈvɑːlvd/

involved

関与した

Meaning

complicated or engaged in something

Example

She was deeply involved in community service.

彼女は地域社会の奉仕活動に深く関与していた。

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。

C1 noun ˌɪndɪˈspensəbl səˈpɔːrt

indispensable support

欠かせないサポート

Meaning

Essential assistance that cannot be done without; absolutely necessary help.

Example

Volunteers provide indispensable support to communities.

ボランティアはコミュニティに欠かせないサポートを提供しています。

C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

うっかり; ついうっかり; 誤って

Meaning

without being aware of what you are doing; unintentionally; by mistake

Example

She inadvertently deleted the important file while cleaning her computer.

彼女はコンピュータを掃除しているとき、重要なファイルをうっかり削除してしまった。

C1 noun /ɪmˈpɜːrtɪnəns/

impertinence

無礼

Meaning

lack of respect; rudeness

Example

The teacher was shocked by the student's impertinence.

教師は生徒の無礼さに驚いた。

C1 adjective /ˌɪnˌkɒnsɪˈkwɛnʃəl/

inconsequential

重要でない

Meaning

Not important or significant; too small to matter.

Example

The mistake was minor and inconsequential.

その間違いは小さく、重要ではありませんでした。

B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

含意

Meaning

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

Example

The implication of climate change is severe.

気候変動の含意は深刻です。

B2 adjective /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 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。

C1 noun /ˌɪməˈtjʊərəti/

immaturity

未熟さ

Meaning

the state of not being fully developed emotionally, mentally, or physically; lack of maturity

Example

His immaturity made it difficult for him to handle responsibility.

彼の未熟さは責任を果たすことを難しくした。

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。

A1 preposition /ˈɪntuː/

into

中へ

Meaning

expressing movement or direction to the inside of something

Example

She walked into the room quietly.

彼女は静かに部屋に入った。

C1 adverb /ˈɪnwərdli/

inwardly

内面的に

Meaning

In the mind or spirit; not outwardly visible.

Example

She smiled outwardly but inwardly she was worried.

彼女は外見では微笑んだが、内心では心配していた。

C2 adjective /ɪˈrɛfrəɡəbəl/

irrefragable

反論できない

Meaning

Impossible to refute, deny, or break

Example

The lawyer presented irrefragable evidence that proved his client’s innocence.

弁護士は彼のクライアントの無実を証明する反論できない証拠を提示しました。

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。

C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

非互換性

Meaning

the state of being unable to exist or work together harmoniously; lack of compatibility

Example

The project failed because of incompatibility between the two software systems.

2つのソフトウェアシステムの非互換性のため、そのプロジェクトは失敗した。

C1 verb ɪˈmɜːrs

immerse

浸る

Meaning

To involve oneself deeply in a particular activity or interest; to surround completely.

Example

Immerse yourself in the new language.

新しい言語に浸ってください。

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。

C1 adjective /ɪmˈpɛtʃ.u.əs/

impetuous

衝動的な

Meaning

Acting or done quickly and without thought or care; impulsive.

Example

His impetuous decision led to unexpected consequences.

彼の衝動的な決断は予想外の結果を招いた。

C1 noun /ˌɪməˈrælɪti/

immorality

不道徳

Meaning

the quality of being immoral; behavior that violates accepted moral standards

Example

The community condemned the immorality of the corrupt officials.

地域社会は腐敗した役人の不道徳を非難した。

C1 noun /ɪˈnɜː.ʃə/

Inertia

慣性; 活動の欠如

Meaning

a tendency to do nothing or remain unchanged; lack of activity or movement

Example

The team's inertia prevented them from adapting to the rapidly changing market conditions.

チームの慣性は、急速に変化する市場の状況に適応するのを妨げました。

C1 noun /ˈɪŋklɪŋ/

inkling

予感

Meaning

A slight idea, hint, or suspicion about something.

Example

She had an inkling that he was planning a surprise.

彼女は彼がサプライズを計画しているという予感を持っていた。

C2 noun /ˌɪnkænˈteɪʃən/

incantation

呪文

Meaning

a series of words used as a magic spell or charm

Example

The wizard chanted an incantation to summon the spirits.

魔法使いは霊を呼び出すために呪文を唱えました。

C2 noun /ˈɪntərˌloʊpər/

interloper

干渉者

Meaning

A person who becomes involved in a situation or place where they are not wanted.

Example

He felt like an interloper at the private family gathering.

彼はプライベートな家族の集まりで干渉者のように感じた。

C1 noun /ɪnˈdɪɡ.nə.ti/

Indignity

屈辱

Meaning

treatment or circumstances that cause one to feel shame or loss of dignity; humiliation

Example

She refused to suffer the indignity of being searched without proper cause.

彼女は正当な理由もなく荷物検査を受けるという屈辱に耐えることを拒んだ。

C2 noun /ɪnˈtɜːrstɪs/

interstice

隙間

Meaning

a small space that lies between things

Example

Light filtered through the narrow interstices of the wall.

光は壁の狭い隙間を通して漏れた。

C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

暗示

Meaning

An allusive or oblique remark or hint, typically a suggestive or disparaging one.

Example

The manager's innuendo was directed towards his competitor.

マネージャーの暗示は競争相手に向けられていました。

C2 verb /ɪˈreɪdieɪt/

irradiate

照射する

Meaning

to shine light on something; to expose to radiation; to illuminate or brighten

Example

The scientist used a lamp to irradiate the sample.

科学者はランプを使ってサンプルを照射しました。

C2 adjective /ˌaɪ.kə.nəˈklæs.tɪk/

iconoclastic

確立された信念、伝統、または価値観に対して攻撃的または拒絶的な特徴

Meaning

Characterized by attacking or rejecting cherished beliefs, traditions, or established values.

Example

Her iconoclastic views challenged the conventional wisdom of the industry.

彼女のアイコノクラスティックな見解は業界の従来の知恵に挑戦した。

B1 adjective /ɪmˈpruːvd/

improved

改善された

Meaning

made better or enhanced in quality or condition

Example

Her health has significantly improved since last month.

彼女の健康は先月から大きく改善されました。

C1 verb /ɪmˈpɛər/

impair

損なう

Meaning

to weaken or damage something, especially a function or ability

Example

Smoking can impair your lung capacity.

喫煙は肺活量を害する可能性があります。

C2 adjective /ɪnˈtɛmpərət/

intemperate

不節制な

Meaning

Lacking self-control; immoderate, especially in indulgence.

Example

The politician's intemperate remarks caused controversy.

政治家の不節制な発言は論争を引き起こした。

A2 noun /ˈɪlnəs/

illness

病気

Meaning

A condition of being unwell or suffering from a disease.

Example

She missed school due to a serious illness.

彼女は深刻な病気のため学校を休んだ。

A1 noun /aɪs/

Ice

氷

Meaning

water that has frozen and become solid

Example

The ice in my drink melted quickly in the hot weather.

私の飲み物の氷は暑い天気で素早く溶けました。

C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

楽器奏者

Meaning

A person who plays a musical instrument.

Example

The instrumentalist played a beautiful solo on the violin.

楽器奏者はバイオリンで美しいソロを演奏しました。

C1 adjective /ɪnˈdiːsənt/

indecent

不品な

Meaning

not conforming to accepted standards of behavior or morality; improper or offensive

Example

He was warned for making an indecent remark during the meeting.

彼は不品な発言で注意された。

C2 verb /ɪˈniː.bri.eɪt/

inebriate

Meaning

to intoxicate; to make someone drunk

Example

The strong wine was enough to inebriate even the most experienced drinker.

C2 noun /ˌɪntərˈsɛʃən/

intercession

仲介

Meaning

the act of intervening or pleading on behalf of another person

Example

The prisoner was released due to the intercession of influential leaders.

囚人は影響力のあるリーダーたちの仲介で釈放されました。

C2 noun /ˈaɪdlər/

idler

怠け者

Meaning

A person who avoids work or spends time lazily.

Example

He was known as an idler who wasted his days.

彼は自分の時間を無駄にするアイドラーとして知られていました。

C1 noun /ˌɪmɔːrˈtæləti/

immortality

不死; 永遠の命

Meaning

the state of living forever; eternal life or lasting fame beyond death

Example

Many ancient cultures believed that heroes could achieve immortality through great deeds.

多くの古代文化では、英雄が偉業によって不死を得られると信じられていた。

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 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。

B1 noun /ˈɪnsɪdənt/

incident

インシデント

Meaning

an event or occurrence, often unpleasant or unusual

Example

The police quickly responded to the incident in the park.

警察は公園でのインシデントに迅速に対応しました。

C2 verb /ˌɪntərˈlɒk/

interlock

かみあう

Meaning

to fit or connect together securely so that two or more things are joined

Example

The gears interlock to ensure smooth movement of the machine.

ギアは機械のスムーズな動作を確保するために噛み合います。

C1 noun /ˌɪntɪˈmeɪʃən/

intimation

示唆

Meaning

A subtle or indirect hint or suggestion.

Example

She gave no intimation of her plans.

彼女は自分の計画について何の示唆も与えなかった。

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。

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 verb /ˈɪrɪˌɡeɪt/

irrigate

灌漑する

Meaning

to supply water to land or crops; to wash out a wound with water

Example

Farmers irrigate their fields during dry seasons.

農家は乾季に畑に灌漑を行います。

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。

C1 noun /ˌɪm.pəˈzɪʃ.ən/

Imposition

課税; 負担; 不公平な要求

Meaning

the action or process of imposing something or of being imposed; an unfair burden or demand

Example

The imposition of new taxes without consultation angered the citizens greatly.

相談なしに新しい税金が課され、市民は非常に怒りました。

C1 noun /ˈɪnkwest/

inquest

調査

Meaning

A legal or official inquiry, especially into the cause of a death.

Example

The inquest revealed the cause of the accident.

調査は事故の原因を明らかにしました。

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。

C1 noun /ˈɪn.fən.tri/

Infantry

歩兵

Meaning

soldiers marching or fighting on foot; foot soldiers collectively

Example

The infantry advanced across the battlefield on foot.

歩兵は戦場を徒歩で進んだ。

C1 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

無差別に

Meaning

without making careful distinctions; randomly; without discrimination

Example

The company fired employees indiscriminately without considering their performance.

会社は従業員を彼らのパフォーマンスを考慮せずに無差別に解雇しました。

C2 adjective /ˈɪm.pi.əs/

Impious

不敬な; 冒涜的

Meaning

irreligious; lacking reverence for religion; blasphemous

Example

The impious act shocked the religious community.

不敬な行為は宗教コミュニティを驚かせました。

A1 preposition/adverb/adjective/noun /ˌɪnˈsaɪd/

inside

幸せ

Meaning

Situated within something; the inner part of something.

Example

She waited inside the house until the rain stopped.

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 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。

C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化する

Meaning

To regard or represent something as perfect or better than it really is.

Example

Children often idealize their parents.

子供たちはしばしば親を理想化します。

C1 adjective /ɪˈrɛpərəbəl/

Irreparable

修復不可能

Meaning

impossible to repair or fix; permanent damage that cannot be undone

Example

The accident caused irreparable damage to his spine.

その事故は彼の背骨に修復不可能な損傷を与えました。

C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

有罪にする

Meaning

to make someone appear guilty of a crime or wrongdoing

Example

The new evidence could incriminate the suspect in the robbery case.

新しい証拠がロビー事件の容疑者を有罪にする可能性があります。

C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

酔っ払った

Meaning

under the influence of alcohol; drunk

Example

He stumbled into the room completely inebriated.

彼は完全に酔っ払って部屋に入ってきた。

C1 adjective /ɪnˈdefɪnət/

Indefinite

不確定な

Meaning

not clearly defined; uncertain; vague; unlimited in time

Example

The meeting has been postponed for an indefinite period.

会議は不確定な期間に延期されました。

C1 noun /ˌɪnkəmˈpliːtnəs/

incompleteness

不完全さ

Meaning

the state of not being complete or whole; lack of necessary parts or fullness

Example

The incompleteness of the report caused delays in the project.

レポートの不完全さがプロジェクトの遅れを引き起こした。

C1 verb /ɪnˈfɛst/

infest

侵入する

Meaning

to overrun in large numbers, especially so as to cause damage or discomfort

Example

The old house was infested with rats.

古い家はネズミで侵されていました。

C1 noun /ɪmˈpɛd.ɪ.mənt/

impediment

障害

Meaning

A hindrance or obstruction in doing something; something that prevents progress.

Example

Lack of funds is a major impediment to the project.

資金不足はプロジェクトの大きな障害です。

C1 noun /ˈɪrɪtənt/

irritant

刺激物

Meaning

something that causes irritation or discomfort

Example

Dust is a common irritant for people with allergies.

ほこりはアレルギーを持つ人々にとって一般的な刺激物です。

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。

C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

地峡

Meaning

A narrow strip of land connecting two larger land areas, often with water on either side.

Example

The Panama Canal cuts through the Isthmus of Panama.

パナマ運河はパナマの地峡を通ります。

C2 verb /ɪnˈtɜːr/

inter

埋葬する

Meaning

To bury a dead body in the ground.

Example

They decided to inter the soldier with full honors.

彼らは兵士を全ての名誉を持って埋葬することに決めた。

C1 adjective /ɪnˈfɜːm/

infirm

虚弱

Meaning

Weak, especially due to old age or illness.

Example

The infirm old man needed assistance to walk.

その虚弱な老人は歩くために助けが必要でした。

C1 adjective /ˌɪndɪˈfɛnsəbl̩/

indefensible

弁護できない

Meaning

not able to be protected or justified

Example

The minister’s remarks were considered indefensible by the public.

大臣の発言は公衆によって弁護できないとみなされました。

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。

C1 noun /ˈɪtʃ.i.nəs/

itchiness

かゆみ

Meaning

The quality or condition of feeling an irritating sensation on the skin that causes a desire to scratch.

Example

Eye itchiness often leads to rubbing.

目のかゆみはしばしば擦る原因となります。

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。

C1 adjective /ɪmˈpʌlsɪv/

impulsive

衝動的な, 直感的な

Meaning

acting suddenly without careful thought

Example

She made an impulsive decision to buy the car.

彼女は衝動的な決定で車を買うことにしました。

C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

本質的でない

Meaning

not necessary or important; not essential

Example

The report removes all inessential details to stay focused.

その報告書は焦点を保つために本質的でない詳細を削除している。

C2 noun /aɪˈkɒnəklæst/

iconoclast

偶像破壊者

Meaning

A person who attacks or criticizes cherished beliefs, traditions, or institutions.

Example

He was known as an iconoclast who challenged old traditions.

彼は古い伝統に挑戦した偶像破壊者として知られていました。

C1 noun /ɪnˈdem.nə.ti/

Indemnity

補償

Meaning

security or protection against a loss or other financial burden; compensation for damage or loss

Example

The insurance company provided full indemnity for the damages caused by the flood.

保険会社は洪水による損害に対して完全な補償を提供しました。

C1 adjective /ɪnˈvæljʊəbl/

invaluable

計り知れない価値がある

Meaning

Extremely useful or indispensable.

Example

Her advice proved invaluable to my success.

彼女の助言は私の成功にとって非常に貴重でした。

C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

憤慨

Meaning

Strong displeasure or anger caused by something unjust, offensive, or insulting.

Example

Public indignation grew after the unfair verdict.

不公平な判決の後で、公衆の憤慨が高まった。

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。

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 adverb /ɪnˈdɛfɪnətli/

indefinitely

無期限で

Meaning

for an unlimited or unspecified period of time

Example

The project has been postponed indefinitely.

プロジェクトは無期限で延期されました。

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 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

仲介者

Meaning

A person who acts as a link between people in order to try to bring about an agreement; a mediator.

Example

The diplomat served as an intermediary between the two conflicting nations.

外交官は二つの対立する国々の間で仲介者として機能した。

C1 noun /ɪnˈdɪf.ər.əns/

Indifference

無関心; 無関心さ; アパシー

Meaning

lack of interest, concern, or sympathy; the state of not caring about something

Example

His indifference to his studies resulted in poor grades throughout the semester.

彼の学業に対する無関心さが、学期中ずっと悪い成績をもたらした。

B2 verb /ɪnˈhæbɪt/

inhabit

住む

Meaning

to live in; to occupy as a dwelling

Example

Many animals inhabit the forest.

多くの動物が森に住んでいます。

C2 noun /ɪˈluːmɪnənt/

illuminant

光源

Meaning

A substance or device that produces light.

Example

The lamp acted as an illuminant in the dark cave.

ランプは暗い洞窟で光源として機能しました。

C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning

To gain favor or approval by deliberate effort, often in a flattering way.

Example

She tried to ingratiate herself with her boss by complimenting him often.

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。

C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

扇動的な / 挑発的な

Meaning

designed to cause fires or stir up conflict

Example

The politician’s incendiary remarks angered the crowd.

政治家の挑発的な発言が群衆を怒らせた。

C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

浸透、秘密のアクセス

Meaning

The process of entering or gaining access to an organization or place surreptitiously.

Example

Cybersecurity prevents infiltration into sensitive data.

サイバーセキュリティは、機密データへの浸透を防ぎます。

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。

C1 noun /ˌɪn.trəˈspek.ʃən/

introspection

内省

Meaning

The examination or observation of one's own mental and emotional processes; self-reflection.

Example

Through introspection, she gained insight into her emotions.

内省を通じて、彼女は自分の感情に対する深い洞察を得ました。

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 /ɪnˈdaɪt/

indict

起訴する

Meaning

to formally accuse someone of committing a serious crime

Example

The grand jury decided to indict the politician for corruption.

大陪審団は腐敗のために政治家を起訴することを決定した。

C1 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

不足

Meaning

The state of not being enough or not being adequate.

Example

The project failed due to the insufficiency of funds.

プロジェクトは資金不足のため失敗しました。

C1 adjective /aɪˈreɪt/

irate

激怒した

Meaning

Extremely angry.

Example

The customer became irate after waiting for hours.

顧客は何時間も待った後、激怒しました。

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 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。

C2 verb ˈɪnʌndeɪt

inundate

洪水で満たす、処理すべき事柄や人々で誰かまたは何かを圧倒する

Meaning

To flood; overwhelm someone or something with things or people to be dealt with

Example

The company was inundated with requests after the advertisement.

広告の後、会社はリクエストで圧倒されました。

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。

C1 adjective /ɪmˈprɒbəbl/

improbable

あり得ない

Meaning

Not likely to be true or to happen.

Example

It seems improbable that he will arrive on time.

彼が時間通りに到着するのはあり得ないようだ。

C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

反乱

Meaning

A violent uprising against an authority or government.

Example

The army was called in to suppress the insurrection.

軍隊は反乱を鎮圧するために呼ばれました。

C1 noun /ˈɪd.i.əm/

idiom

イディオム

Meaning

A group of words whose meaning is different from the meanings of the individual words.

Example

The idiom 'break the ice' means to start a conversation in a friendly way.

イディオム '氷を破る' は、友好的な方法で会話を始めることを意味します。

B1 verb /ɪnˈkriːst/

increased

増加した

Meaning

became greater in size, amount, or degree

Example

The company's revenue increased last year.

会社の収益は昨年増加しました。

C2 adverb /ˈaɪsɪli/

icily

冷たく

Meaning

In a very cold, unfriendly, or hostile manner.

Example

She replied icily to his question.

彼女は冷たく彼の質問に答えた。

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。

C1 verb /ɪmˈpɛl/

impel

Meaning

to drive, force, or urge someone to do something

Example

Her curiosity impelled her to open the mysterious box.

C2 noun /ˌɪnəməˈrɑːtə/

inamorata

Meaning

A woman with whom someone is in love; a female lover.

Example

He wrote a poem dedicated to his inamorata.

C2 noun /ˌɪmpəˈtjuːəsəti/

impetuosity

衝動性

Meaning

The quality of being rash or impulsive.

Example

His impetuosity often got him into trouble.

彼の衝動性はしばしば彼を問題に巻き込んだ。