Sound-proof
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C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

防音; 音の出入りを防ぐ
Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
レコーディングスタジオには防音壁があります。
C1 noun /prəˈpoʊnənt/

proponent

支持者, 提案者
Meaning
a person who advocates for or supports a particular idea, cause, or plan
Example
She is a strong proponent of renewable energy.
彼女は再生可能エネルギーの強い支持者です。
C1 adjective ˌkaʊntəprəˈdʌktɪv

counterproductive

逆効果
Meaning
Having the opposite of the desired effect; tending to hinder rather than help.
Example
Counterproductive activities often stem from dissatisfaction.
反生産的な活動は、不満から生じることが多いです。
C1 adjective /kənˈtɛmptəbl/

contemptible

軽蔑すべき, 嫌悪すべき
Meaning
deserving of contempt; despicable
Example
His deceitful actions were truly contemptible.
彼の欺瞞的な行動は本当に軽蔑すべきものでした。
C1 noun /ˈhɑː.stɪdʒ/

Hostage

人質
Meaning
a person seized or held as security for the fulfillment of a condition; captive
Example
The police negotiated carefully to secure the release of all hostages unharmed.
警察は慎重に交渉し、すべての人質を無傷で解放することを確保しました。
C1 noun /ˈtrɪviə/

trivia

雑学
Meaning
Details or information that are considered unimportant or of little value.
Example
The quiz was filled with fun trivia about movies and music.
クイズは映画や音楽に関する楽しい雑学で満たされていました。
C1 verb /ˈsmʌðər/

smother

窒息させる / 覆う
Meaning
to kill someone by covering their nose and mouth to prevent breathing; to cover something completely; to overwhelm with excessive attention or affection
Example
She smothered the fire with a blanket.
彼女は毛布で火を覆った。
C1 noun ˈsɒv.rɪn.ti

sovereignty

主権
Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
主権は国家のアイデンティティにとって不可欠です。
C1 adverb /əˈtroʊʃəsli/

atrociously

ひどく
Meaning
in a very cruel, shocking, or extremely bad manner
Example
The service at the restaurant was atrociously slow.
そのレストランのサービスはひどく遅かった。
C1 noun /ˈsɪləbəl/

syllable

音節
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
‘コンピュータ’という言葉は3つの音節から成り立っています。
C1 verb /dɪˈnəʊt/

denote

示す
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
赤い旗は危険を示しています。
C1 noun sælˈveɪʃən

salvation

救済
Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
物語は救いのテーマを中心に展開します。
C1 noun (plural) /kwɑːmz/

qualms

疑念
Meaning
feelings of doubt, worry, or uneasiness
Example
He had serious qualms about accepting the offer.
彼はそのオファーを受け入れることに深刻な疑念を抱いていた。
C1 verb /fɔːˈbɛər/

forbear

控える
Meaning
To refrain from doing something; to show patience or self-control.
Example
She forbore from commenting on his mistake.
彼女は彼の間違いについてコメントするのを控えました。
C1 adjective /ˈspjʊəriəs/

spurious

偽の / 虚偽の
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
その報告書は偽の主張に基づいていた。
C1 noun /buːn/

boon

恩恵
Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
インターネットは現代教育にとって恩恵です。
C1 adjective /ˈdaʊ.ər/

dour

厳格
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
彼の厳格な表情は会議を不快にした。
C1 adjective ɪˈræt.ɪk

erratic

不規則
Meaning
Unpredictable and inconsistent; not even or regular in pattern or movement.
Example
His erratic behavior confused his colleagues.
彼のエラティックな行動は、同僚たちを混乱させました。
C1 verb /ˈsælvɪdʒ/

salvage

救助
Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
彼らは火事からいくつかの物を救出することに成功した。
C1 noun /ˈtʃaɪ.nə.weər/

China-ware

チャイナウェア
Meaning
dishes, plates, cups, and other tableware made of porcelain or fine ceramic
Example
The expensive china-ware was displayed in the cabinet.
高価なチャイナウェアはキャビネットに展示されていました。
C1 noun /ˈpreɪsiː/

precis

要約
Meaning
A concise summary of a text or speech.
Example
The student submitted a précis of the long article.
学生は長い記事の要約を提出しました。
C1 verb /ˈɛnərˌdʒaɪz/

energize

活性化する
Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
モチベーションスピーチはチームを活性化するのに役立ちました。
C1 noun/verb /ˈætrəfi/

atrophy

萎縮
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
定期的な運動がないと、筋肉は時間とともに萎縮する可能性があります。
C1 adjective /ʌnˈwɪtɪŋ/

unwitting

無自覚
Meaning
Not aware of what is happening; done without realizing.
Example
She became an unwitting participant in the scam.
彼女は詐欺の無自覚な参加者になった。
C1 noun /stɪˈlɛtoʊ/

stiletto

細いヒールの靴 / ダガー
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
彼女はパーティーにエレガントなスティレットヒールを履いて行きました。
C1 noun /ˈmɒnəˌlɒɡ/

monologue

モノローグ
Meaning
A long speech by one person, often in a play or performance.
Example
The actor delivered a powerful monologue on stage.
俳優はステージで力強いモノローグを披露しました。
C1 adjective /ˈɡʌl.ə.bəl/

gullible

簡単に騙される
Meaning
Easily deceived or tricked.
Example
She was so gullible that she believed every rumor.
彼女は非常に簡単に騙されるので、あらゆる噂を信じてしまった。
C1 noun /ˌsæl.jʊˈteɪ.ʃən/

Salutation

挨拶; 善意の表現
Meaning
a greeting; an expression of goodwill
Example
The letter began with a formal salutation.
その手紙は正式な挨拶で始まりました。
C1 noun /təˈlɛpəθi/

telepathy

Meaning
the supposed communication of thoughts or ideas by means other than the known senses
Example
The twins claimed to share telepathy with each other.
C1 noun /kriːd/

creed

信条, 原則
Meaning
A system of religious or spiritual beliefs or a guiding principle.
Example
Freedom of speech is part of his personal creed.
言論の自由は彼の個人的な信条の一部です。
C1 adjective prɪˈkeə.ri.əs

precarious

危険な
Meaning
Not securely held or in position; dependent on chance; uncertain.
Example
His financial situation is precarious.
彼の財政状況は危険な状態です。
C1 noun /ˈrɒndɪvuː/

rendezvous

会合
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
彼らはカフェで秘密の会合を手配しました。
C1 adjective /ˌɪntərˈtʃeɪndʒəbl/

interchangeable

交換可能な
Meaning
able to be exchanged with each other without difference or loss of function
Example
These machine parts are interchangeable, so they can be replaced easily.
これらの機械部品は交換可能なため、簡単に交換できます。
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

尋問する
Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
警察は容疑者を何時間も尋問した。
C1 noun /ʌnkənˈsɜːrn/

Unconcern

無関心
Meaning
lack of worry or interest; indifference
Example
She showed complete unconcern about the criticism.
彼女は批評に対して完全に無関心を示しました。
C1 noun /ˈkæn.dɚ/

candor

率直
Meaning
The quality of being open, honest, and straightforward in speech or expression.
Example
She spoke with candor about the challenges she faced.
彼女は直面した課題について率直に話しました。
C1 adjective prəˈtræk.tɪd

protracted

長引いた, 延長された
Meaning
Lasting for a long time or longer than expected or usual.
Example
The negotiations were protracted over months.
交渉は数ヶ月続いた。
C1 adjective /ˌhoʊlˈhɑːrtɪd/

wholehearted

全力で
Meaning
showing complete sincerity and commitment; fully enthusiastic
Example
She gave her wholehearted support to the project.
彼女はそのプロジェクトに全力でサポートを与えた。
C1 adjective /ɪkˈspiːdiənt/

expedient

便宜的
Meaning
suitable or convenient for achieving a particular end, sometimes at the expense of morality
Example
It was expedient to take the shortcut despite the risks.
リスクにもかかわらず、近道を取ることは便宜的だった。
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

農業社会
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
農業社会は安定した食料源の必要性から生まれました。
C1 noun /ˈmɪl.ɪ.tənt/

Militant

過激派
Meaning
A person who uses aggressive or violent methods to promote a political or social cause
Example
The militant group demanded immediate political reforms.
過激派グループは即時の政治改革を要求した。
C1 verb /ˌkɒm.pɑːtˈmen.təl.aɪz/

compartmentalize

区分けする
Meaning
To divide into sections or categories; to separate things into compartments.
Example
To increase efficiency, he compartmentalized his work tasks.
効率を上げるために、彼は自分の作業を区分けしました。
C1 noun /krɪˈden.ʃəl/

credential

資格証明書
Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
彼女は新しい仕事を始める前に資格証明書を提示しました。
C1 verb /əˈpɛnd/

append

追加する
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
彼女は報告書の最後にメモを追加することに決めました。
C1 noun /bəˈnæn.zə/

Bonanza

富、運、または利益の突然の増加を引き起こす状況や出来事
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
石油の発見は小さな国にとってボナンザでした。
C1 noun /ˈtɪrəni/

tyranny

圧政
Meaning
Cruel and oppressive government or rule by a tyrant.
Example
The people revolted against the tyranny of their ruler.
人々は支配者の圧政に反抗しました。
C1 noun /aɪl/

isle

小さな島
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
彼らは美しい熱帯の島でハネムーンを過ごしました。
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 /ʌpˈhiːvəl/

upheaval

激変
Meaning
a violent or sudden change or disruption to something
Example
The company faced a major upheaval after the sudden resignation of its CEO.
その会社は、CEOの突然の辞任後、大きな激変を経験しました。
C1 noun /bɑːrb/

barb

とげ、鋭いコメント
Meaning
a sharp projection such as on a fishhook; a cutting remark
Example
The fishhook has a small barb to keep the fish from escaping.
釣り針には、魚が逃げないように小さなとげがあります。
C1 verb /əˈmæs/

amass

積み上げる
Meaning
to gather together or accumulate over a period of time
Example
He managed to amass a fortune through wise investments.
彼は賢い投資を通じて財産を積み上げることができました。
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

対空砲
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
対空砲は軍事基地を守るために配置されました。
C1 noun /ˈskwɒlər/

squalor

貧困
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
彼らは基本的な施設なしで貧困に住んでいました。
C1 noun /tɒŋ/

tong

トング
Meaning
a tool with two movable arms used to pick up and hold objects
Example
He used the tong to pick up the hot coal.
彼は熱い石炭を拾うためにトングを使った。
C1 adjective /ˈeɪmləs/

Aimless

無目的; 目標なし
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
彼は無目的に街を歩いていた。
C1 adjective /ˈstoʊɪk/

stoic

冷静な, 無感情な
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
彼女は危機の間、冷静で恐怖やパニックを示さなかった。
C1 noun /ˈɛstjʊəri/

estuary

河口
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
その都市は川の河口の近くにあります。
C1 verb /ˈdiːmɑːrˌkeɪt/

demarcate

境界を定める
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
土地はフェンスで境界が定められて、争いを避けました。
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

非対称
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
その建物のデザインは非対称であり、珍しいです。
C1 noun /faɪˈnælɪti/

finality

決定的な性質
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
裁判官の決定はその事件に決定的な感覚を与えた。
C1 verb /dɪˈbeɪs/

debase

低下させる
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
腐敗は社会の価値観を低下させる可能性があります。
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

視野が狭い
Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
彼の視野が狭いため、新しいアイデアを受け入れることができませんでした。
C1 adjective /ˌʌndərˈsteɪtɪd/

understated

控えめな
Meaning
Presented in a subtle and restrained way.
Example
She wore an elegant but understated dress.
彼女はエレガントで控えめなドレスを着ていた。
C1 adverb /ˈfeɪ.təl.i/

Fatally

致命的に
Meaning
in a way that causes death; with deadly consequences; critically
Example
The accident fatally injured two passengers.
事故は二人の乗客を致命的に負傷させた。
C1 verb /fɔːrˈɡoʊ/

forego

断る
Meaning
to decide not to do or have something pleasant or valuable
Example
She decided to forego dessert to maintain her diet.
彼女はダイエットを維持するためにデザートを断ることに決めました。
C1 noun /ɪɡˈzuːbərəns/

exuberance

活力
Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
彼女の活力はチーム全体をやる気にさせた。
C1 noun /ˈɔr.i.ənt/

Orient

東洋、特に東アジアの国々
Meaning
the East, especially countries of eastern Asia; to determine one's position or direction
Example
Many spices come from the Orient.
多くの香辛料がオリエントから来ています。
C1 noun /krəˈʃɛndoʊ/

crescendo

音量の段階的増加
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
オーケストラはフィナーレの前に強力なクレッシェンドを築いた。
C1 noun /kəˈlaɪdəˌskoʊp/

kaleidoscope

万華鏡
Meaning
A toy or instrument with mirrors and colored pieces that create changing patterns when rotated; also used metaphorically for a constantly changing sequence of patterns or elements.
Example
The city lights turned into a kaleidoscope of colors as the festival began.
祭りが始まると、街の明かりは色とりどりの万華鏡に変わった。
C1 verb/noun /ˈsɒldər/

solder

はんだ付け
Meaning
To join metal parts together by melting and putting a filler metal into the joint
Example
He soldered the broken wires back together.
彼は壊れた配線を再びはんだ付けしました。
C1 adjective /əˈkɪn/

akin

類似した
Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
彼の反応はショックに似ていた。
C1 noun /ˈɑːnkɔːr/

encore

アンコール
Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
バンドはアンコールのためにステージに戻った。
C1 noun ˌɪn.tuˈɪʃ.ən

intuition

直感
Meaning
The ability to understand something immediately, without the need for conscious reasoning.
Example
Her intuition told her something was wrong.
彼女の直感は何かが間違っていると言った。
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

濃厚な味わい
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
彼は夕食に濃厚な味わいの赤ワインを好みます。
C1 verb /ˌdɪsəˈlaʊ/

disallow

許可しない
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
審判はオフサイドのためゴールを認めませんでした。
C1 noun /weɪl/

Wail

泣き声; 叫び
Meaning
a prolonged cry of pain, grief, or anger; to cry loudly
Example
The child's wail could be heard throughout the house.
その子供の泣き声は家中に聞こえた。
C1 noun /əˈkɔːrdiən/

accordion

アコーディオン (楽器)
Meaning
a musical instrument played by squeezing and expanding with keys and buttons
Example
The musician played a cheerful tune on the accordion.
ミュージシャンはアコーディオンで陽気なメロディーを演奏しました。
C1 verb /ˌrekəˈlekt/

recollect

思い出す
Meaning
to remember something; to recall from memory
Example
I can't recollect where I put my keys.
鍵をどこに置いたか思い出せません。
C1 noun /ˈɛksədəs/

exodus

出エジプト
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
ストライキが始まった後、労働者たちは突然出エジプトした。
C1 noun /ˈmætrəˌmoʊni/

matrimony

結婚
Meaning
The state of being married; marriage.
Example
They entered into matrimony after years of friendship.
彼らは何年もの友情の後、結婚しました。
C1 verb /ɪnˈtruːd/

intrude

干渉する
Meaning
To enter a place or situation where one is not wanted or not invited.
Example
He felt embarrassed to intrude on their private conversation.
彼は彼らのプライベートな会話に干渉して恥ずかしく思った。
C1 noun /ˈdɛspətɪzəm/

despotism

専制政治
Meaning
absolute power exercised in a cruel and oppressive way
Example
The people revolted against the era of despotism.
人々は専制政治の時代に反乱を起こしました。
C1 noun /səbˈmɜːrdʒəns/

submergence

水没
Meaning
the act or process of being submerged or going underwater
Example
The submergence of coastal areas is a major concern due to rising sea levels.
海面上昇による沿岸地域の水没は重大な懸念事項です。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信者
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
その有名な哲学者には多くの弟子がいて、彼の教えを世界中に広めました。
C1 noun /tiˈɑː.rə/

Tiara

ティアラ
Meaning
a jeweled ornamental crown worn on formal occasions
Example
The princess wore a sparkling diamond tiara at the royal ball.
王女は王宮の舞踏会で輝くダイヤモンドのティアラを身に着けていた。
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。
C1 noun dɪˌlɪb.əˈreɪ.ʃən

deliberation

熟考
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
その合意は多くの熟考の末に最終決定されました。
C1 adjective /ˈsleɪ.vɪʃ/

slavish

奴隷のような
Meaning
showing no originality; completely imitative or overly submissive
Example
His slavish devotion to tradition prevented any innovation.
彼の伝統への奴隷のような献身が革新を阻んだ。
C1 adjective /ˈmʌðərli/

Motherly

母性的
Meaning
having qualities characteristic of a mother; caring and protective
Example
She showed motherly care and affection towards all the children.
彼女はすべての子供たちに母親のようなケアと愛情を示しました。
C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

周縁化
Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
経済政策は貧困層の周縁化に対処すべきです。
C1 noun /ˌprəʊˈæk.tɪv ˈliː.də.ʃɪp/

proactive leadership

プロアクティブリーダーシップ
Meaning
Leadership that takes initiative and anticipates problems before they occur, rather than reacting to events.
Example
Proactive leadership ensures timely decisions.
プロアクティブリーダーシップは適時の意思決定を保証します。
C1 adjective /rɪˈpen.tənt/

Repentant

後悔している; 反省している; 悔いている
Meaning
feeling or expressing sincere regret and remorse; sorry for one's actions
Example
The repentant thief returned the stolen money.
後悔している泥棒は盗んだお金を返しました。
C1 adjective /əbˈzɜːrvənt/

Observant

観察力のある
Meaning
quick to notice things; watchful; attentive
Example
The observant detective noticed every small detail at the crime scene.
観察力のある探偵は犯罪現場のあらゆる小さな詳細に気づきました。
C1 verb /præns/

prance

誇らしげに歩く
Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
その馬は誇らしげにフィールドを歩いていました。
C1 noun /ˈsɪn.ɪˌsɪz.əm/

cynicism

シニシズム
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
彼のシニシズムは、誰かを信頼するのを難しくしていた。
C1 verb /ˈsaɪdˌstɛp/

sidestep

回避する
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
政治家はその難しい質問を避けようとした。
C1 verb /weɪv/

waive

幸せ
Meaning
to refrain from insisting on or enforcing something, especially a right or claim
Example
She decided to waive her right to a lawyer.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

農業化学物質
Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.
過度なアグロケミカルの使用は土壌の質を低下させる可能性があります。
C1 noun /ˈhaɪ.drəʊˌpaʊər ˌdʒen.əˈreɪ.ʃən/

hydropower generation

水力発電
Meaning
The production of electrical power through the use of the gravitational force of falling or flowing water.
Example
Hydropower generation promotes green energy.
水力発電はグリーンエネルギーを促進します。
C1 noun dʒəˈnɛt.ɪk ˌmɒd.ɪ.fɪˈkeɪ.ʃən

genetic modification

遺伝子改変
Meaning
The process of altering the genetic code of plants or animals.
Example
Genetic modification enhances crop resistance to pests and diseases.
遺伝子改変は作物の害虫や病気に対する耐性を高めます。
C1 adjective /dɪˈraɪsɪv/

derisive

軽蔑的な
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
彼女は彼の歌おうとする試みに対して軽蔑的な笑い声を上げた。
C1 noun /ˈspɪnstər/

spinster

未婚女性
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
その小説には、村の子供たちの世話をしていた心優しい未婚女性が登場した。
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

外に伸ばす
Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
彼は彼女を助けるために手を差し出した。
C1 noun /ˈtaɪ.ɡrəs/

Tigress

メスのトラ
Meaning
an adult female tiger
Example
The powerful tigress hunted silently through the jungle.
強力なメスのトラがジャングルを静かに狩っていた。
C1 noun ˈfeɪz.aʊt

phase-out

段階的廃止
Meaning
A gradual reduction and eventual elimination of something.
Example
A phase-out of fossil fuels was agreed upon.
化石燃料の段階的廃止が合意されました。
C1 adjective /ɪˈmjuː.tə.bəl/

immutable

不変の
Meaning
Unchangeable, permanent, or fixed
Example
The laws of physics are considered immutable.
物理法則は不変と見なされます。
C1 verb /ɪmˈplɔːr/

implore

Meaning
To beg someone earnestly or desperately to do something.
Example
She implored him to stay with her.
C1 verb /ˈslækən/

slacken

緩める
Meaning
to make or become less tight, less active, or slower
Example
The driver slackened his speed as he approached the village.
運転手は村に近づくにつれて速度を緩めた。
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

自己中心的
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
彼の自己中心的な行動は会議でみんなをイライラさせた。
C1 verb /ˈrɛlɪɡeɪt/

relegate

降格する
Meaning
to assign to a lower rank, position, or category
Example
The manager decided to relegate the player to the bench.
マネージャーは選手をベンチにレリゲートすることを決定しました。
C1 adjective /ˈtrænzɪtɔːri/

transitory

一時的な
Meaning
Not permanent; temporary.
Example
The transitory nature of fame makes it difficult to maintain.
名声の一時的な性質は、それを維持するのを難しくします。
C1 adjective /ˈviːəmənt/

Vehement

強烈な; 熱烈な; 情熱的な; 活発な
Meaning
showing strong feeling; forceful; passionate; intense
Example
She gave a vehement denial of the accusations.
彼女はその告発に対して強烈に否定した。
C1 noun /ˌæŋɡloʊ ˈsæksən/

anglo-saxon

Meaning
A member of the Germanic peoples who settled in England in the early Middle Ages; also relating to their language or culture.
Example
The Anglo-Saxon period greatly influenced English culture and language.
C1 adjective /ˌpriːˈmɛdɪˌteɪtɪd/

premeditated

計画的
Meaning
planned in advance; done deliberately
Example
The crime was clearly premeditated.
その犯罪は明らかに計画的だった。
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

エピソディック
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
彼女の芸術への興味はエピソディックで、何年もの間、来たり行ったりしていました。
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 /bræʃ/

brash

図々しい
Meaning
self-assertive in a rude, noisy, or overconfident way
Example
His brash comments offended many people at the meeting.
彼の図々しいコメントは会議で多くの人々を怒らせました。
C1 noun /ˈmoʊɡəl/

mogul

大物
Meaning
A powerful or influential person, especially in business or media.
Example
He became a tech mogul by founding a billion-dollar company.
彼は10億ドルの会社を創業してテクノロジーの大物になった。
C1 noun ˈprɒdʒ.ə.ni

progeny

子孫, 後継者, 後裔
Meaning
A descendant or the descendants of a person, animal, or plant; offspring.
Example
The philosopher's teachings have influenced many generations of progeny.
哲学者の教えは多くの世代の子孫に影響を与えました。
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

歓喜
Meaning
a feeling or expression of great happiness and triumph
Example
There was jubilation in the streets after the victory.
勝利後、街中は歓喜に包まれていました。
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

てこの原理, かたくなな棒
Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
彼は重い石を持ち上げるためにレバーを使いました。