disarm
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C1 verb /dɪsˈɑːrm/

disarm

武装解除する
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
兵士たちは反乱者の武装を解除するよう命じられた。
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

企業家精神のある
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
彼女は企業家精神のある若い起業家です。
C1 verb /dɪˈpriːʃieɪt/

depreciate

価値が下がる
Meaning
to reduce in value over time
Example
Cars tend to depreciate quickly in their first few years.
車は最初の数年間で急速に価値が下がる傾向があります。
C1 noun /ˈstɪklər/

stickler

規則にうるさい人
Meaning
a person who insists on a certain quality or standard of behavior
Example
He is a stickler for punctuality and never tolerates delays.
彼は時間にうるさく、遅れを許しません。
C1 adjective + noun kəˈmendəbəl ɪˈnɪʃətɪvz

commendable initiatives

称賛に値する取り組み
Meaning
Praiseworthy efforts or actions that deserve admiration and approval.
Example
The commendable initiatives aim to raise awareness.
その賞賛に値するイニシアチブは、認識を高めることを目指しています。
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 /diːˈfjuːz/

defuse

Meaning
To make a situation less dangerous, tense, or explosive; to remove a fuse from a bomb.
Example
The negotiator helped defuse the tense situation.
C1 noun /ˈʌp.ʃɒt/

Upshot

結果; 結論
Meaning
the final result or outcome of a series of events; conclusion
Example
The upshot of the meeting was a decision to postpone the project.
会議の結果はプロジェクトの延期を決定することでした。
C1 adjective /ˈmɪnəskjuːl/

minuscule

微細
Meaning
extremely small in size or importance
Example
She made only a minuscule contribution to the project.
彼女はプロジェクトにほんのわずかな貢献をしました。
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

官僚的な
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
官僚的な手続きはしばしばプロジェクトの承認を遅らせる。
C1 noun/verb kənˈdʒɛk.tʃər

conjecture

推測
Meaning
An opinion or conclusion formed on the basis of incomplete information; to form an opinion or supposition about something.
Example
The scientist's conjecture was later proven true.
科学者の推測は後に正しいことが証明された。
C1 verb /ˌæprɪˈhɛnd/

apprehend

逮捕する
Meaning
to arrest or seize someone; to understand or perceive something
Example
The police managed to apprehend the thief after a long chase.
警察は長い追跡の後、泥棒を捕まえることに成功した。
C1 verb /pləˈkeɪt/

placate

なだめる
Meaning
to make someone less angry or hostile; to calm or soothe
Example
He tried to placate the angry customer with a refund.
彼は返金で怒っている顧客をなだめようとした。
C1 noun/verb /ˈhɛmərɪdʒ/

hemorrhage

出血
Meaning
A significant loss of blood from a ruptured blood vessel, or to lose blood heavily.
Example
The patient suffered a severe brain hemorrhage.
患者は重度の脳出血に苦しんでいます。
C1 adjective /ˈprɒdɪɡəl/

prodigal

浪費家
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
浪費家の息子は、遺産を浪費した後、家に帰りました。
C1 noun /ˈkɒndɪmənts/

condiments

調味料やソース
Meaning
Seasonings or sauces used to add flavor to food.
Example
Ketchup and mustard are popular condiments for burgers.
ケチャップとマスタードはハンバーガーによく使われる調味料です。
C1 adjective /ˌzɛnəˈfoʊbɪk/

xenophobic

外国人恐怖症
Meaning
having or showing a dislike or fear of people from other countries
Example
The leader’s xenophobic comments sparked outrage across the country.
リーダーの外国人恐怖症に関するコメントは、全国で憤りを引き起こした。
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 ˌdet.rɪˈmen.təl

detrimental

有害な
Meaning
Tending to cause harm; damaging or harmful.
Example
Pollution has detrimental effects on fertility.
汚染は生殖能力に有害な影響を与えます。
C1 adjective /ˈlʌʃəs/

luscious

美味しい
Meaning
deliciously sweet or rich; highly appealing to the senses
Example
She served a luscious chocolate cake.
彼女は美味しいチョコレートケーキを出しました。
C1 verb /dɪˈspɛns/

dispense

配布する
Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
その機械は清潔な飲料水を供給します。
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 adjective /ˈkɔː.zəl/

causal

因果的
Meaning
relating to or acting as a cause
Example
There is a causal link between smoking and cancer.
喫煙と癌との間には因果関係があります。
C1 noun /rɪˈvɜːrʒən/

reversion

逆転
Meaning
the act of returning to a previous state or condition
Example
The new policy marked a reversion to traditional methods.
新しい政策は伝統的な方法への逆転を意味しました。
C1 verb/noun /ɡraʊl/

growl

うなり声
Meaning
To make a low, guttural sound, often in anger (by animals or humans).
Example
The dog growled at the stranger.
犬は見知らぬ人にうなった。
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 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。
C1 verb /ˈreɪdieɪt/

radiate

放射する
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
暖炉は部屋全体に暖かさを放射します。
C1 noun /ˈɡrɪd.əl/

Griddle

鉄板
Meaning
a flat heating surface for cooking food, typically made of metal
Example
She cooked pancakes on the hot griddle.
彼女は熱い鉄板でパンケーキを作った。
C1 adjective /ˈdraʊ.zi/

Drowsy

眠い; 疲れた; 無気力な
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
重い食事の後、眠気を感じました。
C1 noun /ˈlɪmboʊ/

limbo

不確実性、保留状態
Meaning
A state of uncertainty or neglect; an intermediate or transitional state.
Example
The project was left in limbo after the funding was withdrawn.
資金が撤回された後、プロジェクトは不確実性に置かれました。
C1 adjective /priˈɛmptɪv/

preemptive

予防的
Meaning
Serving or intended to prevent something by taking action first.
Example
The government took preemptive measures to control inflation.
政府はインフレを抑制するために予防的措置を講じました。
C1 verb /dɪˈsɛləˌreɪt/

decelerate

減速する
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
車は信号に近づくと減速し始めました。
C1 verb /ʃʌn/

Shun

避ける
Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
彼は公の注目を避け、プライバシーを好む。
C1 verb /ˈhaɪtən/

heighten

高める
Meaning
to make or become greater in intensity or degree
Example
The announcement served to heighten the excitement in the room.
その発表は部屋の興奮を高めるために役立ちました。
C1 verb /ˈɡrændstænd/

grandstand

注目や拍手を求めて見せかけの行動をする
Meaning
To seek attention or applause by behaving or speaking in a showy way.
Example
The actor was accused of grandstanding during the charity event.
その俳優はチャリティイベントでグランドスタンディングをしていると非難された。
C1 adjective /ˌsɛrənˈdɪpɪtəs/

serendipitous

偶然の幸運
Meaning
Occurring or discovered by chance in a happy or beneficial way.
Example
Their meeting at the café was purely serendipitous.
カフェでの彼らの出会いは完全に偶然の幸運でした。
C1 verb, adjective, noun /lɪmp/

limp

引きずる / 弱い
Meaning
to walk with difficulty, often due to injury or weakness; lacking strength or firmness.
Example
He limped after injuring his ankle.
彼は足首を怪我した後、足を引きずって歩いていた。
C1 noun /kliːk/

clique

クリーク
Meaning
a small, exclusive group of people
Example
The students formed a clique that excluded others.
学生たちは他の人を排除したクリークを作った。
C1 noun /ˈsɪvɪks/

civics

公民
Meaning
the study of the rights and duties of citizens and how government works
Example
Civics helps students understand their responsibilities as citizens.
公民は市民としての責任を理解するのに役立つ。
C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

キャリブレーション
Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
スケールの精度は定期的なキャリブレーションに依存します。
C1 verb /ˌkaʊntərˈbæləns/

counterbalance

相殺する
Meaning
to offset or balance the effect of something
Example
Exercise can counterbalance the negative effects of stress.
運動はストレスの悪影響を相殺できます。
C1 noun /krəˈnɒlədʒi/

chronology

Meaning
The arrangement of events or dates in the order of their occurrence.
Example
The chronology of the dynasty was carefully studied by historians.
C1 noun /ˈɒstrəsɪzəm/

ostracism

追放
Meaning
The act of excluding someone from a group or society.
Example
The student faced ostracism after breaking the rules.
その学生は規則を破った後、追放に直面しました。
C1 adjective /ˈdɔːr.mənt/

Dormant

非アクティブ; 眠っている; 一時的に保留された; 現在アクティブではない
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
火山は1世紀以上の間休眠状態です。
C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

補助的
Meaning
(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support
Example
The hospital has an auxiliary power generator in case of emergencies.
病院には緊急時用の補助電力発電機があります。
C1 noun /səˈvɪləti/

civility

礼儀
Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
彼は彼の対戦相手に対して礼儀を持って接した、彼らの違いにもかかわらず。
C1 adjective /ˈtʃɛkərd/

chequered

チェッカード
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
彼は大きな成功と失敗を経験したチェッカードなキャリアを持っていた。
C1 noun /əˈkʌmplɪs/

accomplice

共犯者
Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
泥棒は共犯者と一緒に逮捕されました。
C1 verb /ˈdʒʌmbəl/

jumble

混ぜる
Meaning
to mix things together in a confused or untidy way
Example
Don't jumble all the papers together in one pile.
すべての書類を一つの山に混ぜないでください。
C1 adjective /ɔːˈneɪt/

ornate

華やかな
Meaning
elaborately or highly decorated
Example
The palace hall was filled with ornate furniture and paintings.
宮殿のホールは華やかな家具と絵画でいっぱいだった。
C1 verb /əˈvɛndʒ/

avenge

復讐する
Meaning
to inflict harm in return for an injury or wrong done to oneself or another
Example
He vowed to avenge his brother's death.
彼は兄の死を復讐することを誓った。
C1 noun /ˈsɪtrɪk ˈæsɪd/

Citric Acid

クエン酸
Meaning
a natural acid found in citrus fruits, used as a food preservative and flavoring agent
Example
Add a pinch of citric acid to preserve the color of the fruit jam.
果物ジャムの色を保つためにクエン酸をひとつまみ加えてください。
C1 noun/verb /freɪ/

fray

争い, すり減る
Meaning
As a noun, a fight or heated dispute; as a verb, to unravel or wear out through friction.
Example
He tried to stay calm, but his nerves began to fray during the argument.
彼は冷静を保とうとしたが、議論の中で彼の神経はすり減り始めた。
C1 noun /ˈheəˌkʌtər/

haircutter

理髪師
Meaning
a person whose job is to cut and style hair; barber or hairdresser
Example
The haircutter gave me a neat and stylish haircut.
理髪師がきれいに髪を切ってくれた。
C1 adjective /ˈpɪt.i.ə.bəl/

pitiable

哀れな
Meaning
deserving sympathy or compassion
Example
The stray dog looked pitiable in the rain.
その迷子の犬は雨の中で哀れに見えた。
C1 verb /ˈswɪndl/

swindle

詐欺する
Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
コンアーティストは、老人の貯金を騙し取ろうとした。
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

栄養価が高い
Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
オーガニック食品は、加工食品よりも栄養価が高いことがよくあります。
C1 adjective /ˌnɒnˈvɜː.bəl/

non-verbal

言葉やスピーチを使用せずに、ジェスチャー、ボディランゲージ、または顔の表情を通じて伝達される。
Meaning
Not involving or using words or speech; communicated through gestures, body language, or facial expressions.
Example
Non-verbal cues are just as important as words.
ノンバーバルキューは言葉と同じくらい重要です。
C1 noun /ˈkwɔːrəm/

quorum

定足数
Meaning
The minimum number of members needed to conduct official business in a meeting.
Example
The board meeting was postponed because there was no quorum.
クォーラムがなかったため、理事会の会議は延期されました。
C1 adjective ˌɪn.təˈmɪt.ənt

intermittent

断続的
Meaning
Happening irregularly, not continuously.
Example
The rain was intermittent throughout the day.
雨は一日中断続的でした。
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

受け入れられない
Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
裁判官は証拠を受け入れられないと判断しました。
C1 noun /dʒɪst/

Gist

要点
Meaning
the substance or essence of a speech or text; the main point
Example
I missed the beginning of the lecture, but I caught the gist of the professor's argument.
私は講義の始まりを逃しましたが、教授の議論の要点を理解しました。
C1 adjective ɛnˈdɛm.ɪk

endemic

固有
Meaning
Native and restricted to a certain place.
Example
The Bengal tiger is endemic to the Indian subcontinent.
ベンガルタイガーはインド亜大陸に固有です。
C1 verb /səˈkʌm/

succumb

Meaning
To give in to pressure, temptation, or illness; to yield or fail to resist.
Example
He finally succumbed to his illness after a long struggle.
C1 noun /mɪˈlɪʃə/

militia

民兵
Meaning
a group of ordinary people who are trained to act as soldiers in emergencies
Example
The village formed a militia to defend against attacks.
村は攻撃から守るために民兵を結成した。
C1 noun /fɔːrˈkloʊʒər/

foreclosure

差し押さえ
Meaning
The legal process by which a lender takes control of a property from a borrower who has failed to make payments.
Example
The family lost their home due to foreclosure after missing several mortgage payments.
その家族は複数回のモーゲージ支払いを逃したため、差し押さえで家を失いました。
C1 noun /ˈkɒləmnɪst/

columnist

コラムニスト
Meaning
a journalist who regularly writes articles or opinions for a newspaper or magazine
Example
The columnist wrote an article about climate change.
コラムニストは気候変動に関する記事を書きました。
C1 verb /dʒæb/

jab

Meaning
To poke or thrust quickly, often with a finger or something pointed.
Example
He jabbed his finger at the map to show the location.
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 noun /ʃruː/

shrew

怒りっぽい女性 / 小さなネズミのような動物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
この劇は強い意志を持った女性を怒りっぽい女性として描いています。
C1 noun /əˈboʊd/

abode

住居
Meaning
a place of residence; a home
Example
They invited us to their humble abode.
彼らは私たちを彼らの質素な住居に招待しました。
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

資源効率的
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
資源効率的な農業は、水とエネルギーを節約します。
C1 noun /ˈʌp.tɜːn/

upturn

改善
Meaning
An improvement or upward trend in a situation, especially in business or economy.
Example
The company experienced an upturn in sales last quarter.
その会社は先月、売上の改善を経験しました。
C1 noun /ˌjuːθəˈneɪʒə/

euthanasia

安楽死
Meaning
The practice of intentionally ending a life to relieve pain and suffering.
Example
The debate about euthanasia raises difficult ethical questions.
安楽死についての議論は、難しい倫理的な問題を提起します。
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

取り返しのつかない損害
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
気候変動は生態系に取り返しのつかない損害を与えます。
C1 adjective /pæˈseɪ/

passe

時代遅れの; 流行遅れ
Meaning
no longer fashionable or current; out of date
Example
Some trends from last decade feel utterly passé now.
昨今のトレンドのいくつかは今や完全に時代遅れに見える。
C1 noun /ˈmɒnəˌθiːɪzəm/

monotheism

一神教
Meaning
The belief in the existence of only one God.
Example
Islam and Christianity are religions based on monotheism.
イスラム教とキリスト教は一神教に基づいている。
C1 adjective /ˈtɛn.ju.əs/

tenuous

弱い / 薄い
Meaning
Very weak, thin, or slight; lacking a strong basis.
Example
The evidence against him is quite tenuous.
彼に対する証拠はかなり弱いです。
C1 adjective /pɒˈstɪəriər/

posterior

後部
Meaning
Situated at or toward the back; later in time.
Example
The posterior part of the brain controls vision.
脳の後部は視覚を制御します。
C1 verb, noun /ˈmʌstər/

muster

集める / 勇気を出す
Meaning
to gather people, especially soldiers; to summon courage or strength
Example
He mustered enough courage to face the challenge.
彼は挑戦に立ち向かうために十分な勇気を集めました。
C1 noun /ɔːˈtɒmətən/

automaton

自動機械
Meaning
A machine that works automatically; also refers to a person who behaves like a machine, without thinking.
Example
He worked like an automaton, without showing any emotion.
彼は感情を見せずにオートマトンのように働いていました。
C1 noun /zest/

Zest

熱意;エネルギーと興奮;柑橘類の外皮
Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
彼女は新しい仕事に非常に熱意を持って取り組んだ。
C1 verb ˌæs.ɚˈteɪn

ascertain

確認する
Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
警察は事故の原因を確認しようとしました。
C1 verb /ˈɛkstrəˌdaɪt/

extradite

引き渡す
Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
政府はその逃亡者を自国に引き渡すことに同意した。
C1 adjective /ˈsɪnləs/

Sinless

無罪; 無邪気; 純粋
Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
無邪気な子供は純白のドレスで罪のないように見えた。
C1 noun /ˈkɒb.lər/

Cobbler

靴屋
Meaning
a person who repairs shoes and other leather goods
Example
The cobbler fixed my broken shoes perfectly.
靴屋は私の壊れた靴を完璧に修理しました。
C1 verb /fɔːrˈɡoʊ/

forgo

控える
Meaning
to decide not to do or have something
Example
She decided to forgo 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控えることを決めました。
C1 noun /ˈkɪləˌwɒt/

kilowatt

キロワット
Meaning
a unit of power equal to 1,000 watts
Example
The generator produces ten kilowatts of electricity.
発電機は10キロワットの電力を生産します。
C1 verb /ˌmɪsˌrɛprɪˈzɛnt/

misrepresent

Meaning
to give a false or misleading account of something
Example
The lawyer accused the witness of trying to misrepresent the facts.
C1 adjective /ɪˈmækjələt/

immaculate

完璧
Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
彼女の部屋は完璧で、すべてが所定の位置にありました。
C1 noun /ˌvɜːrtʃuˈoʊsoʊ/

virtuoso

名人
Meaning
A person highly skilled in music, art, or another artistic pursuit.
Example
The pianist is a true virtuoso, captivating audiences worldwide.
そのピアニストは真の名人であり、世界中の観客を魅了しています。
C1 adjective /ˈtæŋ.i/

tangy

辛い
Meaning
Having a strong, sharp, and pleasantly biting flavor or taste.
Example
The sauce had a tangy flavor that brightened the dish.
そのソースは、料理をさらに美味しくした辛い味を持っていました。
C1 verb /rɪˈvoʊk/

revoke

取り消す
Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
政府は彼のパスポートを取り消すことを決定した。
C1 noun /tækt/

tact

巧妙さ
Meaning
Adroitness and sensitivity in dealing with others or with difficult issues.
Example
He handled the situation with tact and professionalism.
彼は状況を巧妙さとプロフェッショナリズムで対処しました。
C1 adjective /ˈvɑːlətl/

volatile

変動しやすい
Meaning
likely to change rapidly and unpredictably, especially for the worse
Example
The stock market is extremely volatile these days.
株式市場は最近非常に変動しやすいです。
C1 noun /beɪl/

bale

Meaning
A large bundle of goods tightly wrapped and bound.
Example
The workers loaded the bale of cotton onto the truck.
作業員は綿の束をトラックに積み込んだ。
C1 verb /kənˈvɜːrdʒ/

converge

合流する
Meaning
to come together from different directions; to meet at a point
Example
The roads converge at the city center.
道路は市の中心で合流します。
C1 noun, verb /ˈskʌf.əl/

scuffle

乱闘
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
ファウルの後、二人の選手がフィールドで殴り合った。
C1 adjective /ˌkævəˈlɪər/

cavalier

無頓着
Meaning
showing a lack of proper concern; dismissive or offhand
Example
He had a cavalier attitude toward safety regulations.
彼は安全規制に対して無頓着な態度を持っていた。
C1 adjective /ˈnɪmbəl/

nimble

素早い
Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
ダンサーの素早いステップが観客を感動させた。
C1 noun /mɔːrˈfɑːlədʒi/

morphology

形態学
Meaning
the study of the form and structure of things, especially in language and biology
Example
Morphology studies the structure of words and how they are formed.
形態学は、単語の構造とその形成方法を研究します。
C1 noun /ˈstjuːpər/

stupor

昏迷
Meaning
a state of near-unconsciousness or insensibility
Example
He remained in a stupor after hearing the shocking news.
彼は衝撃的なニュースを聞いた後、昏迷状態に陥った。
C1 adjective /ˈpɪt.i.ləs/

pitiless

無慈悲
Meaning
showing no pity or compassion; cruel
Example
The pitiless ruler ignored the suffering of his people.
無慈悲な支配者は自分の民の苦しみを無視した。
C1 adjective /ˈmɜː.sɪ.fəl/

Merciful

慈悲深い; 同情的な
Meaning
showing compassion or forgiveness; kind and forgiving
Example
The merciful judge gave him a lighter sentence.
慈悲深い裁判官は彼に軽い判決を与えました。
C1 adjective /ɔːlˈmaɪ.ti/

Almighty

全能
Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
その全能な嵐はその進路上のすべてを破壊しました。
C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

再生する
Meaning
To make or feel young, healthy, or energetic again.
Example
A vacation can rejuvenate the mind and body.
休暇は心と体を再生させることができます。
C1 noun ˈɪm.pɪ.təs

impetus

推進力
Meaning
The force or motivation that drives something forward; momentum.
Example
The new policy provided an impetus for economic growth.
新しい政策は経済成長のための推進力を提供しました。
C1 noun, verb /ˈmæn.deɪt/

mandate

マンダト
Meaning
an official order or command; to give someone authority to act in a certain way
Example
The government issued a mandate to reduce carbon emissions.
政府は炭素排出削減のためのマンダトを発行した。
C1 noun ˈkætəlɪst

catalyst

触媒
Meaning
A person or thing that precipitates an event or change.
Example
His speech acted as a catalyst for change in the community.
彼のスピーチはコミュニティの変化の触媒となった。
C1 adjective /ˈpjuːtrɪd/

putrid

腐った
Meaning
decayed and emitting a foul smell
Example
The garbage smelled putrid after days in the sun.
ゴミは何日も太陽の下で放置された後、腐った臭いを発しました。
C1 noun /kəmˈprɛʃn̩/

compression

圧縮
Meaning
The act of pressing or squeezing something into a smaller space.
Example
File compression helps reduce storage requirements.
ファイル圧縮はストレージ要件を削減するのに役立ちます。
C1 noun /ˈækwɪˌdʌkt/

aqueduct

水道橋
Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
ローマ人は都市に水を供給するために水道橋を建設しました。
C1 noun /əˈkuːstɪks/

acoustics

音響学
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
ホールの優れた音響学により、オーケストラの音が豊かで明確に聞こえました。
C1 noun /ˈfoʊk.lɔːr/

folk-lore

民間伝承
Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
日本の民間伝承は神話や伝説で豊かです。
C1 noun /bɪˈriːvmənt/

bereavement

Meaning
The state of having lost a loved one through death.
Example
She received many letters of sympathy during her time of bereavement.
C1 noun /ˌmɪdˈsʌm.ər/

midsummer

真夏
Meaning
The middle of summer, often around the summer solstice in June.
Example
We had a festival to celebrate midsummer.
私たちは真夏を祝うためにフェスティバルを開きました。
C1 noun ˈfɔː.saɪt

foresight

先見の明
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
彼の先見の明は会社が財政的損失を避けるのに役立った。
C1 adjective, adverb (informal, vulgar) /ˈfʌkɪŋ/

fucking

クソ (強調のための卑猥な言葉)
Meaning
used for emphasis, often expressing anger or frustration (vulgar slang)
Example
It was a fucking disaster!
それはクソみたいな災害だった!
C1 noun ˌɒk.sɪˈdeɪ.ʃən

oxidation

酸化
Meaning
A chemical reaction that involves the combination of a substance with oxygen, often causing deterioration.
Example
Oxidation causes metal surfaces to weaken.
酸化は金属表面を弱めます。
C1 adjective /ˈbed.rɪd.ən/

Bedridden

寝たきり
Meaning
confined to bed; unable to leave one's bed due to illness or infirmity
Example
The elderly man has been bedridden for several months.
高齢の男性は数ヶ月間寝たきりになっています。