C2 noun /ɪmˈpʌlʃən/

impulsion

Meaning

a strong urge or drive to act; the act of impelling

Example

His impulsion to travel made him leave his job suddenly.

C1 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

相互運用性

Meaning

The ability of computer systems or software to exchange and make use of information.

Example

The interoperability of different software systems ensures seamless workflow.

異なるソフトウェアシステムの相互運用性は、シームレスな作業の流れを確保します。

C2 adjective /ɪnˈɡlɔːriəs/

inglorious

不名誉な

Meaning

Causing shame or disgrace; not bringing honor or glory.

Example

The army suffered an inglorious defeat.

軍隊は不名誉な敗北を喫した。

C1 adjective /ˈɜːrksəm/

irksome

迷惑的

Meaning

annoying or irritating

Example

Waiting in a long line is one of the most irksome tasks.

長い列に並んでいるのは、最も迷惑な作業の一つです。

B2 adjective ɪˈmɜː.sɪv

immersive

没入型

Meaning

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

Example

Virtual reality creates an immersive learning environment.

仮想現実は没入型の学習環境を作り出します。

C1 adjective /ɪnˈvɪnsəbl/

invincible

無敵

Meaning

too powerful to be defeated or overcome

Example

The team seemed invincible after winning ten matches in a row.

そのチームは10試合連続で勝利した後、無敵に見えた。

C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

冷静沈着

Meaning

Unable to be upset or excited; not easily disturbed.

Example

His imperturbable nature made him a great leader.

彼の冷静沈着な性格は、彼を偉大なリーダーにした。

C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

これほど

Meaning

to such an extent

Example

He was insomuch tired that he could hardly stand.

彼はあまりにも疲れていて、ほとんど立つことができませんでした。

C2 adjective ɪˈnɛfəbl

ineffable

言葉で表現できない

Meaning

Too great or extreme to be expressed or described in words.

Example

The beauty of the landscape was ineffable.

その景色の美しさは言葉で表現できなかった。

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。

C1 verb /ɪnˈkɜːr/

incur

負う

Meaning

To bring upon oneself something undesirable, usually as a result of actions.

Example

He incurred a fine for parking in the wrong place.

彼は間違った場所に駐車して罰金を科せられた。

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。

C1 noun /ɪnˈækjʊrəsi/

inaccuracy

不正確さ

Meaning

lack of accuracy or precision; an incorrect or wrong detail

Example

The report contained several factual inaccuracies.

その報告書にはいくつかの不正確さがあった。

C1 adjective /ɪnˈsɛp(ə)rəbəl/

inseparable

切り離せない

Meaning

Unable to be separated or always together.

Example

The two friends have been inseparable since childhood.

二人の友達は子供の頃から切り離せないです。

C1 noun ɪnˈflɛk.ʃən

inflection

イントネーション

Meaning

The change in pitch or tone of voice when speaking for emphasis.

Example

His inflection kept the audience engaged.

彼のイントネーションは観客を引きつけた。

C1 noun /ˌɪn.trəˈvɜːr.ʒən/

introversion

内向

Meaning

The tendency to be inward-looking and shy, preferring solitary activities.

Example

Her introversion made it difficult for her to enjoy large parties.

彼女の内向的な性格は、大きなパーティーを楽しむのを難しくした。

B1 adjective /ˈɪnər/

inner

内面的

Meaning

Located inside or closer to the center; relating to one’s thoughts or feelings.

Example

She shared her inner thoughts with her best friend.

彼女は最良の友達に内面的な思いを共有しました。

C1 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

言葉が不明瞭

Meaning

Unable to express oneself clearly or effectively in speech or writing.

Example

She became inarticulate with emotion during the speech.

彼女はスピーチ中に感情で言葉が不明瞭になった。

C2 noun /ɪmˈpɒs.tʃər/

Imposture

偽装; 詐欺; 虚偽

Meaning

the practice of deceiving others by pretending to be someone else; fraudulent deception

Example

The elaborate imposture lasted for months before investigators uncovered the truth.

その精巧な詐欺は数ヶ月続き、調査員が真実を明らかにするまで続いた。

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 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。

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 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

無効

Meaning

Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.

Example

The court declared the contract invalid.

裁判所は契約を無効と宣言した。

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。

C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

無礼な

Meaning

Showing a lack of respect for things that are generally taken seriously.

Example

His irreverential humor often shocked traditional audiences.

彼の無礼なユーモアはしばしば伝統的な観客を驚かせました。

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。

C2 noun /ɪnˌtɛl.ɪˈdʒɛntsi.ə/

intelligentsia

インテリゲンチャ

Meaning

The group of people engaged in intellectual and cultural pursuits in a society.

Example

The intelligentsia played a key role in shaping public opinion.

インテリゲンチャは、世論形成において重要な役割を果たした。

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 noun /ɪˈnænɪti/

inanity

馬鹿げたこと, 空虚

Meaning

a nonsensical remark or action; silliness; emptiness

Example

The speech was full of inanities that bored the audience.

スピーチは聴衆を退屈させる馬鹿げたことだらけだった。

B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

非常に興味深く、異常な; 好奇心を引き起こす

Meaning

very interesting and unusual; arousing curiosity

Example

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

その映画は観客を引き付ける非常に興味深いプロットを持っています。

C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

酩酊

Meaning

the state of being drunk or intoxicated

Example

His frequent inebriety led to the loss of his job.

彼の頻繁な酩酊は仕事を失う原因となった。

C2 adjective /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

侵害できない

Meaning

Not to be broken, violated, or infringed

Example

The constitution guarantees certain irrefrangible rights to every citizen.

憲法はすべての市民にいくつかの侵害できない権利を保証します。

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。

C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

見分けがつかない

Meaning

Impossible or difficult to see, notice, or distinguish.

Example

The difference between the two shades was almost indiscernible.

二つの色調の違いはほとんど見分けがつかなかった。

C1 adjective /ɪmˈpæsɪv/

impassive

無表情

Meaning

Not showing or feeling emotion; expressionless.

Example

Despite the shocking news, she remained impassive.

衝撃的なニュースにもかかわらず、彼女は無表情のままでした。

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。

C2 adjective /ˈɪndələnt/

indolent

怠惰

Meaning

Wanting to avoid activity or exertion; lazy.

Example

The indolent cat slept in the sun all afternoon.

怠惰な猫は午後ずっと太陽の下で寝ていました。

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 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。

B1 noun /ɪˌmædʒ.ɪˈneɪ.ʃən/

Imagination

想像力; 創造的思考

Meaning

the faculty or action of forming new ideas or images not present to the senses; creative thinking

Example

Children's imagination allows them to turn a cardboard box into a spaceship or castle.

子供たちのイマジネーションは、段ボール箱を宇宙船やお城に変えることを可能にします。

B2 adjective /aɪˈrɒnɪk/

ironic

皮肉な、風刺的な

Meaning

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

Example

It is ironic that the fire station burned down.

消防署が焼けるのは皮肉です。

B2 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。

C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

等温

Meaning

Having or maintaining equal or constant temperature.

Example

The experiment was conducted under isothermal conditions.

実験は等温条件で行われました。

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。

C1 verb /ˌɪn.tɚˈtwaɪn/

intertwine

密接に接続またはリンクする; 一緒にねじるまたは密接に結合する

Meaning

To connect or link closely; to twist together or combine closely.

Example

Their lives became intertwined through years of friendship.

彼らの生活は長年の友情を通じて絡み合った。

A2 adjective ˌɪn.təˈnæʃ.ən.əl

international

国際的な

Meaning

Existing, occurring, or carried on between two or more nations and their citizens.

Example

International standards improve competitiveness.

国際基準は競争力を高めます。

C1 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

言葉では表現できない

Meaning

impossible to describe or express in words; beyond description

Example

The beauty of the sunset was indescribable.

夕日の美しさは言葉では表現できないほどでした。

B2 noun /ɪˈluː.ʒən/

Illusion

幻想

Meaning

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

Example

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

魔術師は壮観な幻想を作り、象が消えるように見えました。

B1 adjective /ˌɪmpəˈlaɪt/

impolite

無礼

Meaning

Not showing good manners; rude.

Example

It is impolite to interrupt someone while they are speaking.

誰かが話しているときに邪魔をするのは失礼です。

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。

C1 adjective /ɪˈrɛvəkəbl/

irrevocable

取り消し不可能

Meaning

Not able to be revoked, changed, or undone.

Example

She made an irrevocable decision to leave the company.

彼女は会社を辞めるという取り消し不可能な決定を下した。

C2 adjective /ˈɪmənənt/

immanent

内在的

Meaning

existing or operating within; inherent

Example

He believed that moral values are immanent in human nature.

彼は道徳的価値が人間の本性に内在していると信じていました。

B2 verb /ɪnˈdjuːs/

induce

誘発する

Meaning

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

Example

The doctor induced sleep with a mild sedative.

医師は軽い鎮静剤で睡眠を引き起こしました。

B2 adjective /ˈaɪ.dəl/

Idle

怠惰な; 非活動的な; 使われていない

Meaning

lazy; inactive; not working or being used

Example

The factory workers were idle during the strike.

工場の労働者はストライキ中に暇だった。

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。

A2 verb /ɪnˈkluːd/

include

含む

Meaning

to have as part of a whole; to contain or comprise

Example

The price includes all taxes.

価格にはすべての税金が含まれています。

B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

強化する

Meaning

To make something stronger, more extreme, or more forceful.

Example

The storm is expected to intensify overnight.

嵐は夜通し強くなると予想されています。

B1 noun /ˈɪnkʌm/

income

収入

Meaning

money received for work or through investments

Example

His monthly income is enough to support his family.

彼の月収は家族を支えるのに十分です。

C1 adjective /ɪnˈtændʒəbl/

intangible

無形の

Meaning

Unable to be touched or grasped; not having a physical presence.

Example

Trust is an intangible quality in relationships.

信頼は関係において無形の特質です。

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。

C1 noun /ɪnˈsɜːrdʒənt/

insurgent

反乱者

Meaning

A person who rises in revolt against authority or government.

Example

The army arrested several insurgents after the attack.

軍隊は攻撃後、数人の反乱者を逮捕した。

C2 noun /ˌɪnsjəˈlærəti/

insularity

島国性

Meaning

The state of being isolated or narrow-minded.

Example

The insularity of the group prevented them from accepting new ideas.

グループの島国性は新しいアイデアを受け入れることを妨げた。

C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

不動心

Meaning

The quality of being calm and not easily disturbed or upset.

Example

Her imperturbability during the crisis impressed everyone.

危機の際に彼女の不動心は皆に印象を与えました。

C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

幸せ

Meaning

causing inflammation in the body; arousing anger, hostility, or strong emotion

Example

His inflammatory speech triggered protests across the city.

彼女は賞を受け取ったとき、幸せそうな表情を隠せなかった。

C2 adjective /ɪnˈsuːsiənt/

insouciant

無頓着

Meaning

Showing a casual lack of concern; carefree.

Example

He gave an insouciant shrug and walked away.

彼は無頓着に肩をすくめて、歩き去った。

B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

不完全

Meaning

Not perfect; having faults or flaws.

Example

The painting was beautiful despite being imperfect.

その絵は美しかったが、完璧ではなかった。

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。

A2 verb /ɪnˈvaɪt/

invite

招待する

Meaning

to ask someone to come to an event or to do something

Example

We should invite all our friends to the party.

パーティーに友達を招待するべきです。

B1 verb /ɪnˈstɔːl/

install

インストールする

Meaning

To place or fix equipment or software so it is ready for use.

Example

He installed the new software on his computer.

彼はコンピュータに新しいソフトウェアをインストールしました。

C2 adjective /ˌɪnsəˈprɛsəbl/

insuppressible

抑制できない

Meaning

That cannot be suppressed or restrained.

Example

She had an insuppressible urge to laugh during the ceremony.

式の間、彼女は抑制できない笑いをこらえていた。

B1 noun /ɪmˈpruːvmənt/

improvement

改善

Meaning

the act of making something better

Example

There has been a significant improvement in his health.

彼の健康には重要な改善がありました。

C2 noun /ˈaɪ.lət/

islet

小島

Meaning

A very small island.

Example

The fishermen rested on a tiny islet before continuing their journey.

漁師たちは旅を続ける前に小さな島で休憩しました。

C2 adjective/verb /ɪnˈkɑːrneɪt/

incarnate

具現化

Meaning

to embody or represent in human form; in flesh

Example

She is kindness incarnate.

彼女は親切さの具現化です。

C1 adjective /ɪnˈdʌldʒənt/

indulgent

寛容な

Meaning

Having a tendency to be overly generous or lenient with someone.

Example

The indulgent mother allowed her child to stay up late.

寛容な母は子供を遅くまで起きていることを許しました。

C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

学内

Meaning

Occurring within the walls of a single institution, especially a school or college.

Example

The college organizes intramural sports competitions every semester.

大学は毎学期、学内スポーツ競技を開催しています。

C2 noun /ɪnˈdɛntʃər/

indenture

Meaning

A formal legal agreement, contract, or document, often relating to work or service.

Example

In the 18th century, many workers came under indenture to work overseas.

B1 noun ɪnˈtel.ɪ.dʒəns

intelligence

知能

Meaning

The ability to learn, understand, and think in a logical way about things

Example

Intelligence is key in AI development.

知能はAI開発の鍵です。

C1 adjective /ˌɪnədˈvɜːrtənt/

inadvertent

意図しない, 不注意な

Meaning

Not resulting from or achieved through deliberate planning; unintentional.

Example

Her inadvertent mistake caused a delay in the project.

彼女の不注意なミスがプロジェクトの遅延を引き起こしました。

C1 adjective /ɪnˈses.ənt/

incessant

絶え間ない

Meaning

Continuing without pause or interruption; constant.

Example

The incessant noise from the construction site made it hard to concentrate.

建設現場からの絶え間ない騒音は集中するのを困難にしました。

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。

B1 adjective /ɪmˈpeɪʃənt/

impatient

イライラ

Meaning

Not able to wait calmly; restless and eager for something to happen.

Example

She grew impatient while waiting in the long queue.

彼女は長い列で待っている間にイライラしてきた。

C2 adjective /ˌɪntərˈniːsaɪn/

internecine

内部紛争

Meaning

Relating to conflict within a group, often causing mutual destruction.

Example

The internecine conflict weakened the organization from within.

内部紛争は組織を内部から弱体化させた

C1 verb /ɪmˈploʊd/

implode

内爆

Meaning

To collapse or burst inward violently.

Example

The old building imploded during the demolition.

古い建物は解体中に内向きに崩壊しました。

C1 verb /ɪnˈsaɪt/

incite

扇動する

Meaning

to provoke; to stir up

Example

His speech incited the crowd to violence.

彼のスピーチは群衆を暴力に駆り立てた。

C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

虹色の

Meaning

showing luminous colors that seem to change when seen from different angles

Example

She wore an iridescent dress that sparkled in the light.

彼女は光の中で輝く虹色のドレスを着ていました。

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 adjective /ˌɪntəˈrɒɡətəri/

interrogatory

尋問的な

Meaning

expressed in the form of a question; relating to questioning

Example

The lawyer’s interrogatory tone made the witness uncomfortable.

弁護士の尋問的な口調は証人を不快にさせました。

C2 adjective /ɪnˈklɛmɛnt/

inclement

悪天候

Meaning

unpleasantly cold, wet, or stormy (usually weather)

Example

The match was canceled due to inclement weather.

試合は悪天候のためキャンセルされました。

C2 noun /ˈaɪdɪl/

idyll

田園詩的なシーン

Meaning

An extremely happy, peaceful, or picturesque episode or scene, often idealized.

Example

Their honeymoon was an idyll on a tropical island.

彼らのハネムーンは熱帯の島での田園詩的なシーンでした。

A1 noun /ˈaɪs kriːm/

Ice-cream

アイスクリーム

Meaning

a frozen sweet dessert made from dairy products, usually served cold

Example

Children love to eat ice-cream on hot summer days.

子供たちは暑い夏の日にアイスクリームを食べるのが好きです。

C1 noun /ɪmˌpɜː.sənˈeɪ.ʃən/

impersonation

なりすまし

Meaning

The action of pretending to be another person for the purpose of entertainment or fraud.

Example

Online impersonation is a serious cybercrime.

オンラインでのなりすましは重大なサイバー犯罪です。

B1 noun /ɪnˈstrʌkʃənz/

instructions

指示

Meaning

Detailed information on how something should be done or operated.

Example

Please follow the instructions on the box.

箱に書かれた指示に従ってください。

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。

C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

タイミングが悪い瞬間

Meaning

Happening at a bad or inconvenient time.

Example

His call came at the most inopportune moment.

彼の電話は最もタイミングが悪い瞬間にかかってきた。

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。

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。

C1 verb /ɪnˈstɪl/

instill

植え付ける

Meaning

to gradually but firmly establish an idea, attitude, or habit in someone's mind

Example

Parents try to instill good values in their children.

親は子供に良い価値観を植え付けようとしています。

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。

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。

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。

C2 verb /ˌɪntərˈpoʊz/

interpose

Meaning

To place or insert between one thing and another; to intervene in a situation.

Example

He quickly interposed himself between the fighters to stop the quarrel.

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。

C1 verb /ɪmˈplɔːr/

implore

Meaning

To beg someone earnestly or desperately to do something.

Example

She implored him to stay with her.

B1 verb /ˌɪntərˈækt/

interact

交流する

Meaning

to communicate or work together with someone or something

Example

Students interact with teachers during class discussions.

学生は授業のディスカッション中に教師と交流します。

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 ˌɪn.trəˈspek.tɪv

introspective

内省的

Meaning

Characterized by or given to introspection; examining one's own thoughts and feelings.

Example

Writers tend to be highly introspective individuals.

作家はしばしば非常に内省的な人々である。

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。

B1 verb /ɪnˈvɛs.tɪ.ɡeɪt/

investigate

調査する

Meaning

to carry out a systematic inquiry to discover facts or information

Example

The police will investigate the incident thoroughly.

警察は事件を徹底的に調査するでしょう。

C1 noun /ɪmˈpɛdɪmənt/

impediments

障害

Meaning

A hindrance or obstruction in doing something; things that prevent progress or achievement.

Example

Economic impediments often hinder social development.

経済的な障害はしばしば社会的発展を妨げる。

C2 noun /ɪnˈtræn.sɪ.dʒəns/

intransigence

不屈

Meaning

Refusal to change one's views or to agree about something.

Example

The negotiations failed due to the intransigence of both parties.

両者の不屈の姿勢のために交渉は失敗した。

A2 adverb /ɪnˈdiːd/

indeed

実際に

Meaning

used to emphasize or confirm a statement

Example

It was a long journey indeed.

それは長い旅でした、実際。

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。

C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

インコグニート

Meaning

In disguise or with one's identity concealed.

Example

The celebrity traveled incognito to avoid the paparazzi.

有名人はパパラッチを避けるためにインコグニートで旅行した。

C1 noun ˌɪnfɛsˈteɪʃən

infestation

侵入, 異常に大量の昆虫や動物がある場所に存在すること

Meaning

The presence of an unusually large number of insects or animals in a place, causing damage or disease.

Example

The infestation of ants in the kitchen led to immediate pest control measures.

キッチンにおけるアリの侵入は、即座に害虫駆除対策を講じる結果となった。

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。

B1 noun ˈɪn.də.stri

industry

産業

Meaning

Economic activity concerned with the processing of raw materials and manufacture of goods in factories.

Example

The industry focuses on luxury experiences.

産業は高級体験に焦点を合わせています。

C1 verb /ɪmˈpiːtʃ/

impeach

Meaning

To charge a public official with misconduct while in office.

Example

The parliament voted to impeach the president.

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。

C2 adjective /ˈɪnfəntaɪl/

infantile

幼稚な

Meaning

characteristic of an infant; childish

Example

His infantile behavior embarrassed everyone at the meeting.

彼の幼稚な行動は会議でみんなを困らせた。

C1 adjective /ɪnˈfriːkwənt/

infrequent

稀な

Meaning

Happening rarely or not often.

Example

He made infrequent visits to his hometown after moving abroad.

彼は海外に移住した後、故郷にあまり頻繁に訪れることはありませんでした。

A2 verb /ɪmˈpruːv/

improve

改善する

Meaning

to make or become better; to enhance quality or condition

Example

Practice helps improve your skills.

練習はあなたのスキルを向上させる手助けをします。