amputate
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C1 verb /ˈæmpjʊteɪt/

amputate

切断する
Meaning
to cut off a limb from the body by surgery
Example
The doctors had to amputate his leg after the accident.
事故の後、医師は彼の足を切断しなければなりませんでした。
C1 noun /ˌɪnklɪˈneɪʃən/

inclination

傾向
Meaning
A natural tendency or urge to act or feel in a particular way.
Example
She has an inclination towards helping others.
彼女は他の人を助ける傾向があります。
C1 verb /prəˈkjʊər/

procure

調達する
Meaning
to obtain something, especially with effort or difficulty
Example
They managed to procure enough supplies for the expedition.
彼らは遠征のために十分な物資を調達することができました。
C1 adjective /dɪˈʃɛvəld/

disheveled

乱れた
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
彼は乱れた髪とシワの寄った服で到着しました。
C1 noun /nuːs/

Noose

ロープ
Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
カウボーイは野生の馬を捕まえるためにロープを作りました。
C1 noun kəmˈpleɪ.sən.si

complacency

自己満足
Meaning
Excessive self-satisfaction with one's achievements that can hinder progress.
Example
His complacency led to a decline in his performance.
彼の自己満足は彼のパフォーマンスの低下を招いた。
C1 verb /bɪˈɡɛt/

beget

生む / 引き起こす
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
暴力はさらなる暴力を生む。
C1 noun /ˌɪnkənˈsɪstənsi/

inconsistency

不一致
Meaning
The quality of being contradictory, irregular, or not staying the same.
Example
There is an inconsistency between his words and actions.
彼の言葉と行動には不一致があります。
C1 noun /ˈbɪɡətri/

bigotry

偏見
Meaning
Intolerance toward those who hold different opinions or lifestyles.
Example
Her bigotry prevented her from accepting people with different beliefs.
彼女の偏見は、異なる信念を持つ人々を受け入れることを妨げていた。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

デルタ地形
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
バングラデシュにはユニークなデルタ地形があります。
C1 verb /ˈhjuːmənaɪz/

humanize

人間化する
Meaning
To make something more humane, kind, or relatable.
Example
The teacher tried to humanize the lesson with personal stories.
教師は個人的な物語を使ってレッスンを人間化しようとしました。
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

交換
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
古いシステムを新しいシステムに置き換えることは難しかった。
C1 verb /sluː/

slew

急に曲がる
Meaning
To turn or slide violently in a particular direction.
Example
The car slewed across the icy road.
車は凍った道路を滑っていった。
C1 adjective /ɡrəˈtjuːɪtəs/

gratuitous

不必要な
Meaning
Unnecessary, unwarranted, or given freely without reason or cause.
Example
The movie was criticized for its gratuitous violence.
その映画は不必要な暴力で批判された
C1 noun /ˈwɪtʃ.krɑːft/

witchcraft

魔女術
Meaning
the practice of magical skills, spells, and abilities
Example
In old times, many people believed in witchcraft.
古代には、多くの人々が魔女術を信じていました。
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 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

独裁的
Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
彼の独裁的なスタイルは、同僚たちの間で不人気だった。
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

非論理的
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
こんなに寒い天気で泳ぐのは非論理的です。
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

電磁的
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
電磁力は陽子を反発させる。
C1 verb /ˈlaɪ.kən/

liken

例える
Meaning
to compare one thing to another, often in a figurative way
Example
He likened her voice to sweet music.
彼は彼女の声を甘い音楽に例えました。
C1 adjective /ˈɜːr.nɪst/

Earnest

真剣な; 本物の; 深い信念を示す
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
彼は問題を解決するために真剣な試みをしました。
C1 noun /ʃeɪl/

shale

頁岩
Meaning
a fine-grained sedimentary rock that can be split into thin layers
Example
The region is rich in shale and natural gas deposits.
その地域は頁岩と天然ガスの埋蔵量が豊富です。
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
C1 noun /kwæk/

Quack

偽医者
Meaning
a person who pretends to be a doctor but has no medical training; the sound a duck makes
Example
People should be careful not to trust medical advice from a quack.
人々はクアックからの医療アドバイスを信じないように注意すべきです。
C1 adjective /ˈstɛr.aɪl/

sterile

無菌
Meaning
Free from bacteria or other living microorganisms; incapable of producing offspring.
Example
The surgeon worked in a sterile environment to avoid infection.
外科医は感染を防ぐために無菌環境で働いた。
C1 verb /per/

pare

皮をむく
Meaning
to cut away the outer covering or reduce something gradually
Example
She pared the apple before eating it.
彼女はリンゴを食べる前に皮をむいた。
C1 verb /ˌpriːˈmɛdɪteɪt/

premeditate

事前に考える
Meaning
to think about and plan something (especially a crime) beforehand
Example
The suspect was accused of premeditating the crime.
容疑者は犯罪を事前に計画したとして非難されました。
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 verb /prɪˈkluːd/

preclude

排除する
Meaning
To prevent something from happening; to make impossible.
Example
Heavy rain precluded the possibility of a picnic.
大雨がピクニックの可能性を排除した。
C1 adjective /ˈruːfəl/

rueful

後悔した
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
試合に負けた後、彼は後悔の笑顔を見せた。
C1 adjective /ˌiːvænˈdʒɛlɪkəl/

evangelical

福音主義
Meaning
Relating to the Christian gospel, especially the teachings that emphasize personal faith and the authority of the Bible.
Example
She grew up in an evangelical church community.
彼女は福音主義の教会コミュニティで育ちました。
C1 noun /ˌæɡ.rəˈveɪ.ʃən/

aggravation

悪化, 増悪
Meaning
The act of making a situation worse or the state of being worsened.
Example
The delay caused great aggravation for the passengers.
遅延は乗客に大きな不快感を引き起こしました。
C1 adjective /ˈpæs.ə.bəl/

passable

受け入れ可能
Meaning
good enough to be accepted, though not excellent
Example
The road is barely passable after the storm.
嵐の後、道はかろうじて通行可能です。
C1 noun /ˈheɪˌdeɪ/

heyday

黄金時代
Meaning
The period of greatest success, popularity, or power.
Example
In its heyday, the company dominated the market.
その黄金時代に、会社は市場を支配していました。
C1 verb /sərˈmaʊnt/

surmount

克服する
Meaning
to overcome a difficulty or obstacle
Example
He surmounted all the challenges to achieve his dream.
彼はすべての挑戦を乗り越えて夢を実現しました。
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

投獄する
Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
当局は裁判後に犯罪者を投獄しました。
C1 adverb /əˈlɒft/

aloft

高く
Meaning
Up in or into the air; overhead.
Example
The kite was flying aloft in the clear sky.
凧は晴れた空に高く飛んでいた。
C1 verb /mɑːrd/

marred

台無しにする
Meaning
to spoil or damage the quality or appearance of something
Example
The celebration was marred by bad weather.
お祝いは悪天候で台無しになりました。
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 adjective /ˈperɪɡrɪn/

Peregrine

移動する; 渡り鳥; 旅行する
Meaning
wandering; traveling; migratory
Example
The peregrine falcon is known for its incredible speed.
ハヤブサはその驚異的な速度で知られています。
C1 adjective /ˈɪmpətənt/

impotent

無力
Meaning
Lacking power, ability, or strength to take effective action.
Example
The citizens felt impotent against the corrupt system.
市民は腐敗したシステムに対して無力だと感じた。
C1 noun /ˈnʌt.meg/

Nut meg

ナツメグ
Meaning
a spice made from the seed of the fruit of an evergreen tree, used in cooking and baking
Example
The recipe called for a teaspoon of ground nutmeg to flavor the custard.
レシピにはカスタードに風味を加えるために、小さじ1杯のナツメグが必要でした。
C1 noun /ˌrɛfəˈrɛndəm/

referendum

国民投票
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
政府は新しい憲法について国民投票を実施しました。
C1 adjective /ˌfɪl.ænˈθrɒp.ɪk/

philanthropic

博愛主義的な
Meaning
showing concern for the welfare of others; generous and charitable
Example
She is known for her philanthropic activities in the city.
彼女は街での博愛活動で知られています。
C1 noun /skraɪb/

scribe

書記
Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
古代エジプトでは、スクライブは重要な出来事を記録しました。
C1 noun /ˌpæl.pɪˈteɪ.ʃən/

Palpitation

興奮や医学的状態による顕著な速く、強い、または不規則な心拍
Meaning
a noticeably rapid, strong, or irregular heartbeat due to agitation or medical condition
Example
She experienced palpitations before her job interview.
彼女は面接前にパルピテーションを感じました。
C1 adjective /kəmˈplɪsɪt/

complicit

共犯者 (犯罪で)
Meaning
involved with others in an illegal activity or wrongdoing
Example
He was found complicit in the crime.
彼は犯罪で共犯者として見つかりました。
C1 noun ˈiːkəʊˌsɪstəm ˈsɜːvɪsɪz

ecosystem services

生態系サービス
Meaning
The benefits people obtain from ecosystems.
Example
Forests provide valuable ecosystem services, such as purifying air and water.
森林は空気と水を浄化するなど、貴重な生態系サービスを提供します。
C1 noun /fiːt/

feat

偉業
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
エベレスト山の登頂は素晴らしい偉業でした。
C1 verb /kənˈdəʊn/

condone

容認する
Meaning
To accept or allow behavior that is morally wrong or offensive.
Example
The manager refused to condone harassment in the workplace.
マネージャーは職場での嫌がらせを容認することを拒否しました。
C1 noun ˌprɒf.ɪ.təˈbɪl.ɪ.ti

profitability

収益性
Meaning
The degree to which a business or activity yields profit or financial gain.
Example
Increasing sales and reducing costs boosted profitability.
販売の増加とコスト削減により収益性が向上しました。
C1 noun ˈoʊʃən əˌsɪdɪfɪˈkeɪʃən

ocean acidification

海洋酸性化
Meaning
The ongoing decrease in the pH of the Earth's oceans, caused by the absorption of carbon dioxide from the atmosphere.
Example
Ocean acidification is caused by atmospheric CO2 absorption.
海洋酸性化は、大気中のCO2の吸収によって引き起こされます。
C1 verb /priːˈɒkjʊpaɪ/

preoccupy

占める, 心を占める
Meaning
To dominate or engross the mind of someone to the exclusion of other thoughts.
Example
Worries about the future preoccupy him constantly.
未来についての心配が彼を常に占めている。
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。
C1 noun /ˈɛksələnsɪ/

excellency

閣下
Meaning
a title of honor for people of high rank, especially ambassadors or governors
Example
His Excellency the Ambassador attended the ceremony.
大使閣下は式典に出席しました。
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

水素バス
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
水素バスは大気汚染を減らします。
C1 noun/verb /brʊk/

brook

小川 / 容認する
Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
その村は清らかな小川の近くに建てられました。
C1 noun /ˈɛspiənɑːʒ/

espionage

スパイ活動
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
そのエージェントは国家に対するスパイ活動の容疑で逮捕されました。
C1 adjective /ˌwɛl tə ˈduː/

well-to-do

裕福
Meaning
Prosperous, wealthy, or financially comfortable.
Example
They belong to a well-to-do family in the city.
彼らは都市の裕福な家族に属しています。
C1 noun /ˈɒntʊrɑːʒ/

entourage

随行者
Meaning
A group of people attending or surrounding an important person.
Example
The celebrity arrived with her entourage of assistants and bodyguards.
その有名人は、アシスタントやボディガードを伴って到着しました。
C1 noun /ˈɛskəpeɪd/

escapade

冒険
Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
彼らの夏の冒険にはキャンプと山登りが含まれていました。
C1 verb /ˈdæb.əl/

dabble

軽く取り組む
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
彼は大学時代に絵を描くことを楽しんでいた。
C1 verb /əˈliː.vi.eɪt/

alleviate

軽減するまたは和らげる
Meaning
To make suffering, deficiency, or a problem less severe; to relieve or ease.
Example
Meditation can alleviate stress and improve focus.
瞑想はストレスを軽減し、集中力を高めることができます。
C1 adjective /rɪˈsɛsɪv/

recessive

潜性
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
青い目の色はしばしばリセシブな特徴です。
C1 noun /ˈɒfʃuːt/

offshoot

分岐
Meaning
A branch or result that develops from something larger or more important.
Example
The startup was an offshoot of a major tech company.
そのスタートアップは大手テクノロジー企業からの分岐でした。
C1 noun /ˌprɒk.ləˈmeɪ.ʃən/

Proclamation

布告
Meaning
an official public announcement, especially one made by someone in authority
Example
The king issued a proclamation declaring peace.
王は平和を宣言する布告を出した。
C1 verb /ˈkʌl.mɪ.neɪt/

culminate

最高潮に達する
Meaning
To reach the final or climactic stage of a process or activity.
Example
Years of hard work culminated in his success.
長年の努力が彼の成功に集約された。
C1 verb /ˈpɪlɪdʒ/

pillage

略奪する
Meaning
to rob or plunder a place, especially during war
Example
The invading army pillaged the village and took all valuables.
侵入した軍隊は村を略奪し、すべての貴重品を持ち去った。
C1 noun ˈtær.ɪf

tariff

関税または輸出入税
Meaning
A tax or duty to be paid on a particular class of imports or exports.
Example
The government imposed high tariffs on luxury goods.
政府は高級品に高い関税を課しました。
C1 noun /ˈbɜːrθraɪt/

birthright

生まれつきの権利
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
自由はすべての個人の生まれつきの権利と見なされます。
C1 noun /ˈneɡ.lɪ.dʒəns/

Negligence

過失
Meaning
failure to take proper care in doing something; carelessness
Example
The accident was caused by driver negligence.
事故は運転手の不注意によって引き起こされました。
C1 verb /ˈstaɪfəld/

stifled

抑える
Meaning
to suppress, hold back, or prevent something from happening
Example
He stifled a laugh during the serious meeting.
彼は真面目な会議中に笑いを抑えた。
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

衝動性
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
彼の衝動性は、無謀な選択をさせた。
C1 adjective /ˈdʒuː.bɪ.lənt/

jubilant

歓喜
Meaning
feeling or expressing great happiness and joy
Example
The team was jubilant after winning the championship.
チームはチャンピオンシップを勝ち取った後、歓喜していました。
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 adjective /dɪˈfaɪənt/

Defiant

反抗的な; 逆らう
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
その反抗的な学生はルールに従うことを拒否しました。
C1 noun /ˌvɜːbəlɪˈzeɪʃən/

verbalization

言語化
Meaning
The action of expressing something in words.
Example
The verbalization of his thoughts was clear and direct.
彼の考えを言語化することは明確で直接的でした。
C1 verb /ɪkˈspend/

expend

使う
Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
彼はプロジェクトに全てのエネルギーを費やした。
C1 noun /ˌpɜːrmjuˈteɪʃən/

permutation

置換
Meaning
An arrangement or reordering of elements, often in mathematics or logic.
Example
The puzzle can be solved by trying all possible permutations of the tiles.
パズルはタイルのすべての可能な置換を試すことで解決できます。
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。
C1 noun /ˌmɪsdɪˈmiːnər/

misdemeanor

軽犯罪
Meaning
A minor wrongdoing or criminal offense that is less serious than a felony.
Example
He was fined for a misdemeanor involving public disturbance.
公共の秩序に関わる軽犯罪で罰金を科された。
C1 adjective/verb /ˈbæntərɪŋ/

bantering

冗談を言う
Meaning
characterized by good-humored teasing or joking
Example
They had a bantering conversation at the café.
彼らはカフェで冗談交じりの会話をしていた。
C1 verb /hoʊn/

hone

研ぐ、スキルを磨く
Meaning
To sharpen a blade or to improve a skill through practice.
Example
She honed her presentation skills before the big meeting.
彼女は大きな会議の前にプレゼンテーションスキルを磨きました。
C1 noun /kuː/

coup

クーデター
Meaning
a sudden, decisive action that brings about a change, especially in government
Example
The military staged a coup to overthrow the existing regime.
軍隊は現政権を倒すためにクーデターを起こしました。
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 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。
C1 adjective /ɪnˈɡreɪnd/

engrained

深く根付いている、変更が難しい
Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
文化的な慣習は、しばしば社会の構造に深く根付いています。
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

サーカディアンリズム
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
自然光への暴露はサーカディアンリズムを調整します。
C1 adjective /ˈsæv.i/

savvy

賢い, 熟練した
Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
彼女はテクノロジーに詳しい起業家です。
C1 noun /ˈsɔːl.tɪd fɪʃ/

Salted fish

塩漬けの魚
Meaning
fish preserved with salt; dried and salted fish for storage
Example
Salted fish is a traditional way to preserve seafood.
塩漬けの魚はシーフードを保存する伝統的な方法です。
C1 noun /wɪk/

Wick

キャンドルの芯
Meaning
a cord or strand of cotton that burns to provide light in a candle or lamp
Example
The candle wick needs to be trimmed for better burning.
キャンドルの芯は、より良く燃えるために切る必要があります。
C1 noun /ɪmˈbɛzlmənt/

embezzlement

横領
Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
会計士は会社の資金を横領したため逮捕されました。
C1 noun /ˈfɔːrˌbɛər/

forebear

先祖
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
彼はしばしば自分の先祖について尊敬を込めて話します。
C1 adjective /ˈsnɒbɪʃ/

snobbish

高慢
Meaning
having or showing the attitude of people who think they are better than others
Example
She seemed snobbish because she avoided talking to the waiters.
彼女はウェイターと話すのを避けたので、高慢に見えました。
C1 adjective /ˈrævənəs/

ravenous

猛烈にお腹がすいている
Meaning
Extremely hungry; famished.
Example
After the long hike, she was ravenous and ate quickly.
長いハイキングの後、彼女は猛烈にお腹がすいて、すぐに食べました。
C1 verb /ɪkˈstræpəleɪtɪŋ/

extrapolating

外挿
Meaning
Extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue.
Example
Extrapolating from the current data, we can estimate the trends for next year.
現在のデータから外挿して、来年の傾向を予測できます。
C1 adjective ˈdɪs.pər.ət

disparate

異なる
Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
彼らの意見は異なり、討論を引き起こしました。
C1 verb /slɪŋk/

slink

忍び寄る
Meaning
to move quietly and secretly, often to avoid being noticed
Example
The cat slunk into the room without making a sound.
その猫は音を立てずに部屋に忍び込んだ。
C1 adjective /riˈæk.tɪv/

Reactive

反応的; 化学的に活発
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
会社は顧客の苦情に反応的なアプローチを採用しました。
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 noun /ˈmɑːrtərdəm/

Martyrdom

殉教
Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
彼の殉教は、無数の他の人々を自由運動に参加させるインスピレーションとなった。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行動は言葉よりも雄弁である、それはよく知られた公理です。
C1 noun /ˈkoʊhɔːrt/

cohort

コホート
Meaning
A group of people with a shared characteristic, usually of the same age or with a common experience.
Example
The study tracked a cohort of students over ten years.
その研究は10年にわたり学生のコホートを追跡しました。
C1 adjective /dɪˈsɜːrnəbl/

discernible

明白な
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
彼の行動には明らかな変化があった。
C1 noun /ˈpiː.kɒk ˈflaʊ.ər/

Peacock flower

クジャクの花
Meaning
a tropical tree with bright orange and red flowers that resemble a peacock's tail
Example
The peacock flower tree blooms with stunning orange flowers in summer.
クジャクの花の木は夏に素晴らしいオレンジ色の花を咲かせます。
C1 adjective /ˈɡruːəlɪŋ/

grueling

過酷な
Meaning
Extremely tiring and demanding.
Example
The athletes faced a grueling training session.
アスリートたちは過酷なトレーニングセッションに直面しました。
C1 adjective /ˈsɪn.tɪ.leɪ.tɪŋ/

scintillating

きらめく
Meaning
brilliantly clever, exciting, or sparkling
Example
Her scintillating conversation kept everyone entertained.
彼女のきらめく会話は皆を楽しませた。
C1 noun njuːˈtræl.ə.ti

neutrality

中立
Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
中立は意思決定において信頼を育みます。
C1 noun /rɪˈtriː.vəl/

retrieval

回復
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。
C1 noun /ˈɪn.trə.vɜːrt/

introvert

内向的
Meaning
A person who tends to be shy and prefers spending time alone rather than in groups.
Example
As an introvert, he preferred reading over attending parties.
内向的な性格として、パーティに参加するよりも読書の方が好きでした。
C1 noun /ˌdaɪəˈrɑːmə/

diorama

ジオラマ
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
博物館に古代の村のジオラマが展示されていました。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

提携
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
彼の会社との提携は10年間続いた。
C1 verb /ˈdʒepərdaɪz/

jeopardize

危険にさらす
Meaning
to put something at risk of being damaged or destroyed
Example
His reckless behavior could jeopardize his career.
彼の無謀な行動は彼のキャリアを危険にさらす可能性がある。
C1 noun /ˈpɪɡmənt/

pigment

顔料
Meaning
a natural or artificial substance used to give color to something
Example
The artist mixed different pigments to create the perfect shade of blue.
アーティストは完璧な青色の色合いを作り出すために異なる顔料を混ぜました。
C1 noun /kənˈsɜːvəˌtɪzəm/

conservatism

保守主義
Meaning
A political or social philosophy promoting traditional institutions and resistance to change.
Example
Conservatism values tradition and gradual development.
保守主義は伝統と徐々に進行する発展を重視します。
C1 adjective /ˈməʊltən/

molten

溶けた
Meaning
Made into liquid by heat; melted.
Example
The blacksmith poured molten metal into the mold.
鍛冶屋は型に溶けた金属を注ぎました。
C1 adjective /ˈvendʒ.fəl/

Vengeful

復讐心の強い
Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
彼女は友達に裏切られた後、復讐心を感じた。
C1 noun /nɪˈɡeɪʃən/

negation

否定
Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
理論は伝統的な信念の否定に基づいています。
C1 noun /tɑːrˈpɔːlɪn/

tarpaulin

Meaning
A large sheet of strong, flexible, water-resistant material used for covering or protecting things.
Example
The workers used a tarpaulin to cover the construction materials from rain.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

単細胞
Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
アメーバは単細胞生物です。
C1 noun /ˈmɔːr.nər/

Mourner

喪に服する人
Meaning
a person who attends a funeral or shows grief for someone who has died
Example
The mourners gathered at the cemetery to pay their respects.
喪に服する人々は墓地に集まり、敬意を表しました。