senile
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C1 adjective /ˈsiː.naɪl/

senile

老化による弱さ
Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
老人はセンイルになり、親しい顔を忘れてしまった。
C1 noun mælˈnʌr.ɪʃ.mənt

malnourishment

栄養失調
Meaning
Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat.
Example
Children in poverty-stricken areas suffer from malnourishment.
貧困地域の子供たちは栄養失調に苦しんでいます。
C1 noun /ˈəʊ.nəs/

onus

責任
Meaning
A duty or responsibility, especially a heavy one.
Example
The onus is on the government to provide relief to the victims.
犠牲者に支援を提供する責任は政府にあります。
C1 verb /pɜːrdʒ/

purge

浄化する
Meaning
To remove unwanted feelings, people, or things; to cleanse or purify.
Example
The new leader promised to purge corruption from the government.
新しいリーダーは政府から腐敗を一掃することを約束しました。
C1 verb /bæsk/

bask

日向ぼっこ
Meaning
to lie in warmth and light; to enjoy something pleasurable
Example
The cat basks in the sunny window.
猫は日差しの差す窓辺で日向ぼっこをしている。
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 /ˈtrɪnɪti/

trinity

三位一体
Meaning
a group of three closely related things; in Christianity, the Father, the Son, and the Holy Spirit
Example
The museum’s exhibit focused on a trinity of themes: memory, identity, and power.
博物館の展示は、三つのテーマの三位一体に焦点を当てていました:記憶、アイデンティティ、そして力。
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 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

非常にいらいらした
Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
彼女は繰り返しのミスの後、彼に非常にいらいらした視線を送った。
C1 noun /əˈvɜːrʒən/

aversion

嫌悪
Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
彼女は喫煙に強い嫌悪感を持っています。
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 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 /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

ロボット支援手術
Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
ロボット支援手術は人為的な誤りを減らします。
C1 noun /ˈtem.pər.ə.mənt/

Temperament

気質; 性格; 本性
Meaning
a person's natural disposition or mood; characteristic behavior patterns
Example
She has a calm temperament that helps her handle stress well.
彼女は穏やかな気質を持っており、ストレスをうまく処理するのに役立っています。
C1 verb /əbˈsteɪn/

abstain

自制する
Meaning
To restrain oneself from indulging in or partaking of something.
Example
People often abstain from digital devices to enhance focus.
人々は集中力を高めるためにデジタル機器を使うのを自制することがよくあります。
C1 adjective /daɪər/

Dire

深刻な; 緊急の; 恐ろしい
Meaning
extremely serious; urgent; terrible
Example
The country is facing a dire economic crisis.
その国は深刻な経済危機に直面している。
C1 noun /ˈhɪr.seɪ/

Hearsay

Meaning
information received from other people that one cannot adequately substantiate; rumor
Example
The accusations were based on hearsay rather than concrete evidence or eyewitness testimony.
その告発は、具体的な証拠や目撃者の証言ではなく、噂に基づいていました。
C1 verb /ˈstrætɪfaɪ/

stratify

階層化する
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
研究者たちは年齢層に基づいてデータを階層化する予定です。
C1 verb /ɪkˈspaʊnd/

expound

詳しく説明する
Meaning
to present and explain in detail
Example
The professor expounded the theory in simple terms.
教授は簡単な言葉で理論を詳しく説明しました。
C1 noun /ˈdɑːrwɪnɪzəm/

darwinism

ダーウィニズム
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
ダーウィニズムは科学者たちが種の起源を理解する方法を革命的に変えました。
C1 adjective /ɪˈstiːmd/

Esteemed

尊敬される
Meaning
respected and admired; held in high regard
Example
He is an esteemed professor at the university.
彼は大学で尊敬されている教授です。
C1 noun ˈtɑksɪk ɪˈmɪʃənz

toxic emissions

有毒排出
Meaning
Harmful or poisonous substances released into the environment, especially the atmosphere.
Example
Toxic emissions from vehicles pollute the atmosphere.
車両の有毒排出物が大気を汚染します。
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 noun /əˈkɜr.əns/

Occurrence

出来事
Meaning
an instance or event of something happening; the fact of occurring
Example
The occurrence of earthquakes is common in this region.
この地域では地震の出来事が一般的です。
C1 noun /ˈdræm.ə.tɪst/

dramatist

劇作家
Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
シェイクスピアは歴史上最も偉大な劇作家の一人です。
C1 noun /wedʒ/

Wedge

くさび; ける; 割る
Meaning
a triangular piece of wood or metal used for splitting or securing; a piece of cheese or cake
Example
He used a wooden wedge to split the log into smaller pieces.
彼は木のくさびを使って丸太を小さな部分に割りました。
C1 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

曖昧さの解消
Meaning
The removal of ambiguity by making something clear and unambiguous.
Example
The AI system applies disambiguation to refine text understanding.
AIシステムはテキスト理解を精緻化するためにディスアンビギュエーションを適用します。
C1 noun /ˈæŋɡwɪʃ/

anguish

苦悩
Meaning
Severe mental or physical pain or suffering.
Example
She was in deep anguish after hearing the tragic news.
悲しい知らせを聞いて、彼女は深い苦悩に沈んだ。
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

変動
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
株式市場は頻繁に変動します。
C1 verb /əˈflɪkt/

afflict

苦しめる
Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
多くの人々が季節性アレルギーに悩まされています。
C1 noun /ˈpæl.ət/

Palate

口蓋; 味を区別する能力
Meaning
the roof of the mouth; a person's ability to distinguish between different flavors
Example
The chef created dishes to please every palate.
シェフはすべての味覚を満足させる料理を作りました。
C1 verb /ɪnˈfleɪt/

inflate

膨らませる;水増しする
Meaning
to fill with air or gas so it expands; to increase excessively or artificially
Example
The mechanic inflated the tire to the correct pressure.
整備士はタイヤを適切な空気圧まで膨らませた。
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
C1 adjective /ʌnˈkleɪmd/

Unclaimed

未請求; 未要求; 捨てられたまたは所有者なし
Meaning
not claimed by anyone; not demanded or requested; abandoned or ownerless
Example
The unclaimed luggage was stored in the airport's lost property department.
未請求の荷物は空港の遺失物係に保管されました。
C1 verb /ˌoʊvərˈriːtʃ/

overreach

過剰な努力
Meaning
to go beyond what is proper, acceptable, or achievable; to overextend
Example
The politician overreached by making promises he couldn't keep.
その政治家は約束を守れなかったことで過剰な努力をしました。
C1 adjective /ˈhiːdləs/

heedless

無頓着
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
彼はルールを無視して運転した。
C1 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

騒々しい
Meaning
boisterous, energetic, and difficult to control.
Example
The rambunctious children filled the house with noise.
騒々しい子供たちが家を騒音で満たしました。
C1 adjective /ˈmaɪ.ɡrə.tɔːr.i/

Migratory

移動性の
Meaning
moving from one place to another; characterized by seasonal movement
Example
Many birds are migratory and travel thousands of miles each season.
多くの鳥は移動性があり、毎シーズン数千マイルも飛ぶ。
C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

重要でないこと
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
彼は広大な宇宙で重要でないことを感じました。
C1 noun /slæb/

slab

スラブ
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
作業員たちは基礎のためにコンクリートのスラブを敷きました。
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

変色
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
太陽光線は布地の変色を引き起こします。
C1 noun /ˌrɛstɪˈtjuːʃən/

restitution

賠償
Meaning
The act of restoring something to its rightful owner or compensating for loss
Example
The court ordered restitution to the victims of the fraud.
裁判所は詐欺の被害者に賠償を命じました。
C1 noun dɪˈdʒɛnəˌreɪtɪv dɪˈzizɪz

degenerative diseases

変性疾患
Meaning
Medical conditions that involve the deterioration or progressive decline of tissues, organs, or functions
Example
Degenerative diseases are common in an aging population.
変性疾患は高齢化した人口に一般的です。
C1 verb /əˈlʊər/

allure

魅力
Meaning
to attract or tempt someone with something desirable; to entice
Example
The beautiful garden allured visitors from far away.
美しい庭園が遠くから訪問者を魅了しました。
C1 noun /blɜːrb/

blurb

宣伝文
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
本の裏表紙にはその小説を称賛する宣伝文があった。
C1 verb /ˈstɪntɪŋ/

stinting

けちけちと与える
Meaning
to supply sparingly or with restrictions
Example
He never stinting his efforts to help the poor.
彼は貧しい人々を助けるために決して手を抜きません。
C1 noun /ˈhɒl.ə.kɔːst/

holocaust

ホロコースト
Meaning
A large-scale destruction, especially by fire; historically, the genocide of Jews during World War II.
Example
Millions of people perished during the Holocaust.
ホロコースト中に何百万もの人々が命を落としました。
C1 adjective, verb (past tense/participle of mire) /ˈmaɪərd/

mired

困難な状況に巻き込まれる
Meaning
Trapped or entangled in something, typically a difficult situation.
Example
The politician was mired in scandal.
その政治家はスキャンダルに巻き込まれていた。
C1 noun/adjective /ˈbæstərd/

bastard

私生児
Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
彼は怒りで彼をバスタードと呼んだ。
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

多様化
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
ダイバーシフィケーションは投資リスクを減らすのに役立ちます。
C1 verb/noun /snɑːrl/

snarl

唸り声、渋滞
Meaning
to growl aggressively with bared teeth; a tangle or mess
Example
The dog snarled at the stranger near the gate.
犬はゲート近くの見知らぬ人に唸った。
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 adjective /ˈtɜːrʃieri/

tertiary

Meaning
third in order, rank, or level
Example
He is pursuing his tertiary education at the university.
C1 noun /kənˈspɪrə.tər/

conspirator

陰謀者
Meaning
a person who secretly plans with others to do something unlawful or harmful
Example
The conspirator was arrested before the plan could be carried out.
陰謀者は計画が実行される前に逮捕された。
C1 noun ˌɪntədɪˈpɛndənsi

interdependency

相互依存
Meaning
The dependence of two or more people or things on each other.
Example
The interdependency of the countries led to greater cooperation.
国々の相互依存は、より大きな協力を生み出しました。
C1 adjective /ˈɑːr.dənt/

Ardent

熱心な; 熱烈な; 情熱的な
Meaning
very enthusiastic; passionate; fervent
Example
She is an ardent supporter of environmental conservation.
彼女は環境保護の熱心な支持者です。
C1 adjective /kəˈnɒnɪkəl/

canonical

カノニカル / 受け入れられた
Meaning
Conforming to a general rule or accepted standard; officially recognized.
Example
Shakespeare’s works are considered canonical in English literature.
シェイクスピアの作品は英文学においてカノニカルと見なされています。
C1 adjective ˈsɛd(ə)ntəri

sedentary

座りっぱなしの
Meaning
Characterized by much sitting and little physical activity.
Example
A sedentary lifestyle can lead to numerous health problems.
座りっぱなしの生活は、多くの健康問題を引き起こす可能性がある。
C1 noun /əˈsɛndənsi/

ascendancy

優位, 支配
Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
その会社は革新を通じて市場で優位を獲得しました。
C1 noun /ˌəʊvərɪksˌplɔɪˈteɪʃən/

overexploitation

過剰搾取
Meaning
The unsustainable use of natural resources at a rate that exceeds their ability to regenerate, leading to depletion and environmental degradation.
Example
Overexploitation of natural resources leads to environmental degradation.
自然資源の過剰搾取は環境の悪化を引き起こします。
C1 adjective /ˌaʊtˈlændɪʃ/

outlandish

奇妙
Meaning
Looking or sounding bizarre or unfamiliar; strange.
Example
He wore an outlandish costume to the festival.
彼は祭りに奇妙な衣装を着ていました。
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

過度の支出; 無駄遣い
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
結婚式の祝賀は、その不必要な贅沢で批判されました。
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 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

アリストクラティック; 上流階級の
Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
彼女はアリストクラティックな態度を持っていて、尊敬を集めていた。
C1 noun /ˌoʊvərprəˈdʌkʃən/

overproduction

過剰生産
Meaning
The act of producing more of something than is needed or can be consumed.
Example
The economic crisis was caused by the overproduction of goods.
経済危機は商品の過剰生産によって引き起こされた。
C1 noun /dɪsˈsɜːrvɪs/

disservice

Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
偽の情報を広めることは、コミュニティに害を与えることです。
C1 verb /vɪə(r)/

veer

急に方向を変える
Meaning
to change direction suddenly
Example
The car veered off the road to avoid the accident.
車は事故を避けるために突然道路をそれました。
C1 adjective /ˈspeɪʃəl/

spatial

空間の
Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
科学者は星の空間配置を研究しました。
C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

エコシステムの崩壊
Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
制御されない森林伐採はエコシステムの崩壊を引き起こす可能性があります。
C1 adjective /əbˈtjuːs/

Obtuse

鈍い; 理解が遅い; 愚か
Meaning
annoyingly insensitive or slow to understand; lacking in intelligence or perception
Example
He was being deliberately obtuse about the instructions.
彼は指示に関して意図的に鈍かった。
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 /ˈsʌbstəntɪv/

substantive

重要
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
会社はその方針に重要な変更を加えました。
C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

効率を高めるために協力する。
Meaning
combine in such a way as to enhance effectiveness.
Example
The departments must synergize to improve efficiency.
部門は効率を向上させるためにシナージズしなければならない。
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 adjective /ˈfɒnɪk/

phonic

音声学の
Meaning
relating to speech sounds or their production; connected to phonics
Example
Children learn phonic rules to read new words accurately.
子供たちは新しい単語を正確に読むために音声学のルールを学びます。
C1 adjective /ˈbuːzi/

boozy

酒気帯びた
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
夜が更けるにつれて、パーティーは酒気帯びてきた。
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

探求的に
Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
彼女は正直な答えを望んで、探し求めるように彼を見つめた。
C1 noun /krʌˈsteɪʃən/

crustacean

硬い殻を持つ水生動物
Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
カニやロブスターはよく知られている甲殻類です。
C1 adjective /tænˈdʒɛnʃəl/

tangential

接線の
Meaning
relating to or along a tangent; slightly or indirectly related to something
Example
His remarks were tangential to the main topic of discussion.
彼のコメントは議論の主要なトピックには関連していなかった。
C1 noun prɪˈzɝː.və.tɪv

preservative

防腐剤
Meaning
A chemical substance that prevents decay, fermentation, or other natural processes that cause food deterioration.
Example
Artificial preservatives are harmful to health.
人工防腐剤は健康に害を与える。
C1 adjective/verb /ˈleɪ.bərd/

labored

苦労した
Meaning
done with great effort and difficulty; or past tense of labor
Example
He gave a labored explanation that confused the audience.
彼は観客を混乱させた苦しげな説明をした。
C1 noun /rɪˈpɛərə/

repairer

修理人
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
修理人は壊れた洗濯機をすぐに直した。
C1 adjective /ɪmˈplɔːzəbl/

implausible

信じがたい
Meaning
Not seeming reasonable or probable; unlikely to be true.
Example
The story she told was so implausible that no one believed her.
彼女が話した話はあまりにも信じられないほどで、誰も彼女を信じなかった。
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 noun /ˈtriːkəl/

treacle

濃厚で甘いシロップ
Meaning
A thick, sweet syrup; excessively sentimental speech or writing.
Example
She poured treacle over the pancakes.
彼女はパンケーキにシロップをかけた。
C1 noun /ˈkæpɪˌlɛri/

capillary

毛細血管
Meaning
a very thin blood vessel that connects arteries and veins
Example
Oxygen passes from the blood into tissues through capillaries.
酸素は血液から組織に毛細血管を通って移動します。
C1 noun /ˈɒn.slɔːt/

onslaught

猛攻
Meaning
A fierce or destructive attack.
Example
The village faced an onslaught of enemy forces.
その村は敵軍の猛攻に直面しました。
C1 noun /ˈmænɪkɪn/

mannequin

マネキン
Meaning
a life-sized model of a human figure used by shops to display clothes
Example
The mannequin in the shop window was dressed in a red gown.
ショップのウィンドウのマネキンは赤いドレスを着ていた。
C1 verb /ˈtrɪkl̩/

trickle

滴る
Meaning
To flow or fall in a small, slow stream or drops.
Example
Water began to trickle down the wall after the heavy rain.
激しい雨の後、水は壁をゆっくりと流れ始めた。
C1 noun /helm/

Helm

Meaning
a tiller or wheel for steering a ship or boat; a position of leadership or control
Example
The experienced captain took the helm and expertly navigated the ship through the storm.
経験豊富な船長は舵を取って、嵐の中で巧みに船を操縦しました。
C1 noun ˈɪn.fər.əns

inference

推論
Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
科学者たちは実験データに基づいて推論を行います。
C1 adjective /ˈplɒd.ɪŋ/

plodding

遅くて退屈な
Meaning
slow-moving and unexciting; showing steady effort
Example
The movie was entertaining but a bit plodding in the middle.
その映画は面白かったが、真ん中で少し遅くて退屈だった。
C1 verb /ʌnˈmɑːsk/

unmask

正体を暴く
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
その捜査は犯罪の背後にいる本当の犯人を暴いた。
C1 verb /ˈɪnkjʊˌbeɪt/

incubate

孵化する
Meaning
to keep eggs, cells, or organisms at the right conditions for development
Example
The hen will incubate the eggs until they hatch.
そのニワトリは卵が孵化するまでインキュベートします。
C1 adjective /ˈɪnfəməs/

infamous

悪名高い
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
その独裁者はその残虐さで悪名高かった。
C1 noun ˈdaɪ.nə.sti

dynasty

王朝
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
明王朝は何世紀にもわたって中国を支配していました。
C1 adjective /ˈfiːbl/

feeble

弱い, 無力
Meaning
lacking physical strength or vigor; weak
Example
After the illness, she felt too feeble to stand.
病気の後、彼女は立ち上がるにはあまりにも弱かった。
C1 noun /ˈhɔːrtɪˌkʌltʃər/

horticulture

Meaning
The art or practice of garden cultivation and management.
Example
Horticulture plays a vital role in producing fruits, vegetables, and ornamental plants.
C1 verb /ɪnˈtɒksɪkeɪt/

intoxicate

幸せ
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
彼女は賞を受け取ったとき、自分の幸せを隠すことができなかった。
C1 noun /sɪˈsɛʃən/

secession

分離
Meaning
The action of formally withdrawing from membership of a federation or body.
Example
The secession of the southern states led to the Civil War.
南部諸州の分離は南北戦争を引き起こした。
C1 noun /ˈmɒk.ər.i/

Mockery

嘲笑; からかい;
Meaning
teasing and contemptuous language or behavior; ridicule
Example
His speech was met with mockery from the audience.
彼のスピーチは聴衆から嘲笑されました。
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

消す
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防士たちは1時間以内に火を消し止めました。
C1 noun /ˈduːmz.deɪ/

Doomsday

世界の終わり; 最後の審判の日
Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
伝道師は世界の終わりと霊的な準備の重要性について話しました。
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 noun /ˈmɜːrsəˌnɛri/

mercenary

傭兵
Meaning
a professional soldier hired to serve in a foreign army; also used to describe someone motivated solely by money.
Example
The mercenary fought for whoever paid the highest wage.
傭兵は最も高い給料を支払った人のために戦った。
C1 verb /kəmˈprɛs/

compress

圧縮する
Meaning
to press or squeeze something so that it becomes smaller
Example
The file was compressed to save storage space.
ファイルは圧縮されてストレージスペースを節約しました。
C1 noun/verb /stæmˈpiːd/

stampede

パニック状態の群衆
Meaning
A sudden, uncontrolled rush of people or animals; to cause a mass movement.
Example
The loud noise caused a stampede of the crowd.
大きな音が群衆の中でスタンピードを引き起こしました。
C1 verb /ˈbʌŋɡəl/

bungle

台無しにする
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
彼はプレゼンテーションを台無しにし、聴衆を混乱させました。
C1 adverb /ˈhed ɑn/

Head-on

正面衝突
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
二台の車は交差点で正面衝突しました。
C1 verb /ˈswɛltər/

swelter

強烈な暑さで苦しむ
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
私たちは真昼の太陽の下で汗だくになり始めました。
C1 adjective /ˈkɒz.mɪk/

cosmic

宇宙的, 広大な
Meaning
relating to the universe or cosmos; vast
Example
Astronomers study cosmic phenomena to understand the universe.
天文学者たちは宇宙を理解するためにコズミック現象を研究しています。
C1 adjective /ɑːrˈkeɪn/

arcane

難解な
Meaning
understood by few; mysterious or secret
Example
The professor’s lecture was full of arcane details that only specialists could follow.
教授の講義は専門家だけが理解できるようなアーケインな詳細で満ちていました。
C1 verb /ˈʃrɪvəl/

shrivel

しわになる
Meaning
To become dry, wrinkled, and smaller due to lack of moisture.
Example
The flowers shriveled under the hot sun.
花は暑い太陽の下でしわになった。
C1 adjective /məˈlɪʃəs/

Malicious

悪意のある; 有害な
Meaning
having or showing a desire to cause harm to someone; spiteful
Example
The malicious software damaged many computers.
悪意のあるソフトウェアが多くのコンピュータを破壊しました。
C1 noun /ˌɑːpərˈtuːnɪst/

opportunist

機会主義者
Meaning
A person who takes advantage of situations for personal gain, often disregarding principles.
Example
He is seen as an opportunist who always puts his interests first.
彼は常に自分の利益を第一に考える機会主義者として見られています。
C1 noun /ˈpɛs.tɪ.saɪd ˈrɛz.ɪ.djuː/

pesticide-residue

農薬残留物
Meaning
Chemical remnants left over from pesticides used on crops or in soil.
Example
Excess pesticide-residue in food can be harmful to health.
食物中の農薬残留物が過剰だと健康に害を与える可能性があります。
C1 noun /ˈkæləs/

callus

皮膚の硬化部分
Meaning
A thickened and hardened part of the skin or soft tissue, especially in an area subjected to friction.
Example
A callus formed on his palm from using tools every day.
毎日道具を使うことで、彼の手のひらにカラスができました。
C1 adjective /ˈtrɛtʃərəs/

treacherous

裏切りの
Meaning
Dangerously unstable or deceptive; likely to betray trust.
Example
The treacherous road made driving difficult.
裏切りの道路は運転を難しくしました。
C1 noun /ˈkɑːmənˌwɛlθ/

commonwealth

コモンウェルス
Meaning
an independent community or state, especially one founded for the common good; also an association of nations
Example
Australia is a member of the Commonwealth of Nations.
オーストラリアはコモンウェルス加盟国です。
C1 noun /prəˈpraɪəti/

propriety

適切
Meaning
Conformity to accepted standards of behavior or morality.
Example
He always behaved with the utmost propriety in public.
彼は公共の場で常に最大限の適切さを持って振る舞いました。
C1 adjective /fəˈnætɪk/

Fanatic

熱狂的な
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
彼はサッカーチームの熱狂的なサポーターです。