C1 adjective ɪˈluː.sər.i

illusory

幻の

Meaning

Based on illusion; not real although seeming to be.

Example

His sense of security was entirely illusory.

彼の安全感は完全に幻のものだった。

B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

重要でない

Meaning

Too small or unimportant to be worth considering.

Example

The cost was so insignificant that nobody noticed it.

そのコストは重要でなく、誰もそれに気づかなかった。

C1 adjective /ˈɪɡ.ni.əs/

igneous

火成

Meaning

Formed through the cooling and solidification of magma or lava.

Example

Granite is an igneous rock commonly used in construction.

花崗岩は建設に一般的に使用される火成岩です。

B2 adjective /ˈɪnˌsaɪtfəl/

insightful

洞察力のある

Meaning

Showing deep understanding or perceptiveness.

Example

The professor gave an insightful lecture on global economics.

教授はグローバル経済に関する洞察力のある講義を行いました。

C2 adjective /ɪˈlɪbərəl/

illiberal

非リベラル

Meaning

Opposed to liberal principles; restricting freedom of thought or behavior.

Example

The government was criticized for its illiberal policies.

政府はその非リベラルな政策について批判された。

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 /ɪˈreləvəns/

irrelevance

無関係性

Meaning

the quality of not being connected to or important for a particular matter; lack of significance

Example

His long explanation only highlighted the irrelevance of the details to the main issue.

彼の長い説明は、細部が主な問題と無関係であることを強調しただけだった。

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。

C1 verb /ɪmˈpɒvərɪʃ/

impoverish

貧困にする

Meaning

To make someone poor or reduce the quality or richness of something.

Example

The long war impoverished the entire nation.

長い戦争が国全体を貧困にした。

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。

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。

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 noun ɪnˈdʒʌstɪs

injustice

不正義

Meaning

Lack of fairness or justice; the practice of being unjust or unfair.

Example

The story portrays the injustices faced by the common people.

物語は一般の人々が直面する不正義を描いています。

C1 adjective /ɪnˈsɪstənt/

insistent

執拗な

Meaning

demanding something firmly and refusing to accept no

Example

The child was insistent on getting a new toy.

その子供は新しいおもちゃを手に入れることに執拗だった。

C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

不確実性

Meaning

the quality or state of being improbable; unlikely to be true or to happen

Example

The improbability of winning the lottery twice didn't stop her from buying tickets.

ロトで二回連続で当選する可能性の低さは、彼女がチケットを買うのを止めませんでした。

C1 noun /ɪnˈsek.tɪ.saɪd/

Insecticide

殺虫剤

Meaning

a substance used for killing insects; a chemical pesticide that targets insects

Example

The farmer sprayed insecticide on his crops to protect them from harmful bugs.

農夫は作物を有害な虫から守るために殺虫剤を噴霧しました。

C2 adjective /ˌɪrɪˈlɪdʒəs/

irreligious

無宗教

Meaning

Indifferent or hostile to religion

Example

Some people in the community consider him irreligious because he never attends religious services.

コミュニティの中で、彼は宗教的なサービスに一度も参加しないため、無宗教だと考えられています。

C2 noun /ˌɪnkænˈdɛsəns/

incandescence

白熱光

Meaning

the emission of light from a hot object; brilliance

Example

The incandescence of the candle filled the dark room.

ろうそくの白熱光が暗い部屋を満たしました。

C1 adjective /ˌɪn.səbˈstæn.ʃəl/

insubstantial

不十分な

Meaning

Lacking strength, substance, or solidity.

Example

The evidence provided was insubstantial and unconvincing.

提供された証拠は不十分で説得力がなかった。

B1 noun ˈɪmpækt

impact

影響

Meaning

A strong effect or influence; the action of one object coming forcibly into contact with another.

Example

The decision had great impact.

その決定は大きな影響を与えた。

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 noun /ˈɪɡ.nəˌmɪn.i/

ignominy

恥辱

Meaning

Public shame, disgrace, or dishonor.

Example

He lived the rest of his life in ignominy after the scandal.

スキャンダル後、彼は生涯を恥辱の中で過ごした。

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 adverb /ˈɪntʃmiːl/

inchmeal

少しずつ

Meaning

Gradually, little by little.

Example

The old castle fell inchmeal into ruin.

その古い城は少しずつ廃墟になった。

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。

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。

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。

C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

偽る

Meaning

to pretend to be another person in order to entertain or deceive

Example

He was arrested for trying to impersonate a police officer.

彼は警察官を装おうとしたため逮捕されました。

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。

B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

調査

Meaning

the process of inquiring into or examining something carefully to find the truth

Example

The investigation revealed new evidence about the fraud.

調査は詐欺に関する新しい証拠を明らかにしました。

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。

C1 adjective /ˈɪntrɪkət/

intricate

複雑

Meaning

very detailed, complex, and difficult to understand

Example

The artist created an intricate pattern on the wall.

アーティストは壁に複雑な模様を作り出しました。

C1 adjective /ˌɪnsərˈmaʊntəbl/

insurmountable

克服不可能

Meaning

Too great to be overcome.

Example

The explorers faced insurmountable odds in the desert.

探検者たちは砂漠で克服不可能な障害に直面した。

B1 noun /ɪnˈtɛnʃən/

intention

意図

Meaning

A plan, aim, or purpose behind an action.

Example

Her intention was to finish the project before the deadline.

彼女の意図はプロジェクトを締め切り前に終わらせることだった。

C1 noun /ˌaɪ.diˈɒl.ə.dʒi/

ideology

イデオロギー

Meaning

A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.

Example

Democracy is based on the ideology of freedom and equality.

民主主義は自由と平等のイデオロギーに基づいています。

C1 noun /ˈɪm.pæs/

impasse

行き詰まり

Meaning

A situation where no progress is possible.

Example

The negotiations reached an impasse, delaying the agreement.

交渉は行き詰まり、合意が遅れた。

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。

B1 noun ˌɪnspɪˈreɪʃən

inspiration

インスピレーション

Meaning

The process of being mentally stimulated to do or feel something, especially to do something creative.

Example

His journey to success became an inspiration for many.

彼の成功への道は多くの人々にインスピレーションを与えました。

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 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。

C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

本質的に

Meaning

In a way that is naturally or inherently part of something's essential nature.

Example

Some people are intrinsically motivated to learn.

いくつかの人々は本質的に学ぶことに動機づけられている。

C1 noun ˌɪnsjʊˈleɪʃən

insulation

絶縁

Meaning

Material used to prevent heat, sound, or electricity from being transmitted from one area to another.

Example

Insulation of food storage areas can prevent pests from entering.

食品保管エリアの絶縁は、害虫が侵入するのを防ぐことができます。

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。

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 adjective /ˌɪndɪˈskriːt/

indiscreet

軽率

Meaning

Not careful in what one says or does, likely to reveal secrets or offend.

Example

It was indiscreet of him to mention the plan in public.

公衆の面前で計画について言及するのは軽率だった。

C2 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

無力化する

Meaning

to deprive someone or something of the ability or strength to function

Example

The severe injury incapacitated the player for the rest of the season.

その重傷はプレーヤーをシーズンの残りの期間無力化させた。

C2 adjective /ɪnˈkɒnstənt/

inconstant

不安定な

Meaning

frequently changing; not consistent or dependable

Example

His inconstant moods made it difficult to work with him.

彼の不安定な気分は彼と仕事をするのを難しくした。

A2 adverb /ɪˈmiːdiətli/

immediately

直ちに

Meaning

at once; without delay

Example

She responded immediately to the emergency call.

彼女は緊急の電話に直ちに応答した。

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。

B2 adjective /ˌɪnkənˈsɪstənt/

inconsistent

一貫性がない

Meaning

Not staying the same throughout; lacking harmony or regularity.

Example

His answers were inconsistent and confusing.

彼の答えは一貫性がなく、混乱を招いた。

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。

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。

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。

C1 adjective /ɪˈneɪn/

inane

無意味な, 馬鹿な

Meaning

lacking sense, meaning, or significance; silly or pointless

Example

The movie was criticized for its inane dialogue.

その映画は無意味なセリフで批判された。

B1 noun ɪˈnɪʃətɪv

initiative

イニシアティブ

Meaning

An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.

Example

NASA's initiative to return humans to the Moon is ambitious.

NASAの月面への人類を戻すイニシアティブは野心的です。

B2 noun /ˈɪnˌsaɪt/

insight

洞察力

Meaning

The ability to understand the true nature of something; deep understanding.

Example

Her insight into human behavior made her a successful psychologist.

彼女の人間行動に対する洞察力は、彼女を成功した心理学者にした。

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。

B1 adjective ˌɪn.dɪˈpen.dənt

independent

独立

Meaning

Not depending on another for livelihood or subsistence; free from outside control; not subject to another's authority.

Example

An independent institution ensures transparency in governance.

独立した機関は、ガバナンスの透明性を保証します。

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。

C2 verb ˈɪn.kʌl.keɪt

inculcate

教え込む

Meaning

Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.

Example

Parents should inculcate good values in their children.

親は子供たちに良い価値観を教え込むべきだ。

B2 verb ɪnˈvɛst.ɪŋ

investing

投資

Meaning

The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.

Example

Investing in stocks can generate long-term wealth.

株式投資は長期的な富を生むことができます。

C1 adjective /ɪmˈpjʊər/

Impure

不純

Meaning

contaminated; not clean; mixed with foreign substances

Example

The impure water caused health problems in the village.

不純な水は村で健康問題を引き起こしました。

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。

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 /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。

C1 verb /ɪnˈfjʊərieɪt/

infuriate

激怒させる

Meaning

To make someone extremely angry.

Example

His careless remarks infuriated the entire team.

彼の不注意な発言がチーム全体を怒らせた。

C1 noun /ˌɪnfɪˈdɛləti/

infidelity

不倫

Meaning

the act of being unfaithful to a spouse or partner

Example

Their marriage ended due to his infidelity.

彼らの結婚は彼の不倫が原因で終わった。

C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

対話者

Meaning

a person who takes part in a conversation or dialogue

Example

She was a skilled interlocutor during the debate.

彼女は討論中に優れた対話者でした。

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。

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。

C2 verb /ɪnˈsteɪt/

instate

任命する

Meaning

To set up in position, office, or authority.

Example

The board decided to instate her as the new director.

取締役会は彼女を新しいディレクターにインステイトすることを決定しました。

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。

A2 verb /ˌɪntrəˈduːs/

introduce

紹介する

Meaning

to present someone; to bring in for the first time

Example

Let me introduce you to my friend.

友達を紹介させてください。

C1 adjective /ɪˈræʃənəl/

irrational

非合理的

Meaning

not logical or reasonable; lacking clear thought

Example

His fear of the dark was completely irrational.

彼の暗闇への恐れは完全に非合理的でした。

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 noun /ɪmˈbæl.əns/

Imbalance

不均衡

Meaning

lack of proportion or relation between corresponding things; unequal distribution

Example

The doctor said the patient's dizziness was caused by an inner ear imbalance.

医者は患者のめまいが内耳の不均衡によって引き起こされたと言いました。

C2 noun /ˈɪrɪɡənt/

irrigant

灌漑液

Meaning

A liquid used for irrigation, especially in medical or agricultural contexts.

Example

The doctor used a sterile irrigant during the procedure.

医師は手術中に無菌の灌漑液を使用しました。

C1 adjective /ˌɪnkəʊˈhɪərənt/

incoherent

一貫性のない

Meaning

Not clear or easy to understand; lacking logical connection.

Example

His explanation was so incoherent that nobody could follow it.

彼の説明はあまりにも一貫性がなく、誰もそれを追うことができませんでした。

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。

C2 noun /ɪnˈtɛnʃən/

intension

内的意味

Meaning

The internal content of a concept; the set of attributes implied by a word or phrase.

Example

The intension of the word 'dog' includes being a mammal and domesticated.

'犬'という言葉のインテンションには哺乳類であり、飼いならされたことが含まれます。

B2 verb /ɪnˈheɪl/

inhale

吸う

Meaning

to breathe in; to draw air into the lungs

Example

Take a deep breath and inhale slowly.

深く息を吸い、ゆっくり吸い込みます。

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。

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。

B2 noun /ɪnˈtɒlərəns/

intolerance

不寛容

Meaning

unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own

Example

The leader was criticized for his intolerance toward other religions.

リーダーは他の宗教に対する不寛容さで批判されました。

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 adjective /ɪˈrædɪkəbəl/

irradicable

根絶不可能な

Meaning

not able to be eradicated; impossible to destroy or remove completely

Example

The love of a mother for her child is irradicable.

母親の子供への愛は根絶不可能です。

B2 verb /ɪmˈplaɪ/

imply

暗示する

Meaning

To suggest something without directly stating it.

Example

Her tone seemed to imply that she was upset.

彼女の口調は、彼女が怒っていることを示唆しているようでした。

B2 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。

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。

C2 noun /ɪnˈsaɪzər/

incisor

切歯

Meaning

a narrow-edged tooth at the front of the mouth, adapted for cutting

Example

The dentist noted that his upper left incisor was chipped.

歯科医は彼の上の左側の切歯が欠けていることに気づきました。

A2 adjective/noun /ˈɪndiən/

indian

インディアンの

Meaning

Relating to India, its people, or their culture.

Example

She loves Indian food, especially biryani.

彼女はインディアンの料理が好きで、特にビリヤニが好きです。

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。

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。

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 /ɪnˈtɛnsɪv/

intensive

集中的

Meaning

Involving a lot of effort, energy, or concentration in a short period of time.

Example

She attended an intensive English course before moving abroad.

彼女は海外に引っ越す前に、集中的な英語コースを受講しました。

C2 verb /ɪnˈsɪnəˌreɪt/

incinerate

焼却する

Meaning

to burn something completely until it is reduced to ashes

Example

The city decided to incinerate the medical waste for safety.

その都市は安全のために医療廃棄物を焼却することを決定しました。

C2 adjective /ɪnˈsɛnʃənt/

insentient

無感覚の

Meaning

Lacking perception, consciousness, or sensation.

Example

The rock is an insentient object with no awareness.

岩は意識のない無感覚の物体です。

C1 adjective /ˌɪmprɪˈsaɪs/

imprecise

不正確

Meaning

Not exact or accurate; vague.

Example

His explanation was too imprecise to be helpful.

彼の説明はあまりにも不正確で役に立たなかった。

C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

解消できない

Meaning

Unable to be destroyed, broken, or dissolved.

Example

Marriage was once considered an indissoluble bond.

結婚はかつて解消できない絆と見なされていました。

C2 noun /ˌɪmbəˈsɪləti/

imbecility

愚かさ

Meaning

Extreme foolishness, stupidity, or weakness of mind.

Example

The plan was abandoned due to its sheer imbecility.

その計画はその愚かさから放棄されました。

C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

後悔しない

Meaning

Not feeling regret or shame about one's actions.

Example

The criminal remained impenitent after the trial.

犯人は裁判後も後悔しないままでした。

C1 noun /ˈɪŋ.krə.mənt/

Increment

増加

Meaning

an increase or addition, especially one of a series on a fixed scale; a regular increase in salary

Example

He received an annual increment of five percent in his salary this year.

彼は今年、自分の給料に5パーセントの年次増加を受け取った。

不規則性

Meaning

lack of regularity or consistency; a deviation from what is normal, expected, or orderly

Example

The audit revealed several financial irregularities in the company’s records.

監査により、その会社の記録にいくつかの財務上の不規則性が明らかになった。