diffusion
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C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
C1 adjective /ˌdɪfəˈrɛnʃəl/

differential

差別的
Meaning
Relating to or showing a difference; involving a distinction.
Example
There is a differential treatment between the two groups.
2つのグループ間に差別的な扱いがあります。
C1 adjective /ɪnˈtɜːrmənəbl/

interminable

終わりのない
Meaning
Seemingly endless; having no apparent end.
Example
The meeting felt interminable and exhausting.
会議は終わりのない疲れるもののように感じた。
C1 noun /təˈbuː/

taboo

Meaning
a social or cultural prohibition against certain practices or discussions
Example
Talking about money is considered a taboo in some cultures.
C1 noun /ˈfɔːrˌrʌnər/

forerunner

先駆者
Meaning
A person or thing that comes before another; a predecessor or harbinger.
Example
The Wright brothers were the forerunners of modern aviation.
ライト兄弟は現代の航空の先駆者でした。
C1 adjective /pləˈtɒnɪk/

platonic

プラトニック
Meaning
relating to a close relationship that is not romantic or sexual
Example
They have a platonic friendship that has lasted for years.
彼らは長年続いているプラトニックな友情を持っています。
C1 verb /bɪˈstoʊ/

bestow

授与する
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
王は勇敢な兵士に栄誉を授けました。
C1 noun /rɑk sɔlt/

Rock Salt

岩塩
Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
岩塩はテーブルソルトよりも健康的だと考えられています。
C1 verb /aʊst/

oust

追放する
Meaning
To remove someone from a position or place of power or authority.
Example
The rebels ousted the dictator from power.
反乱者は独裁者を権力から追い出しました。
C1 adjective /ˈhæk.nid/

hackneyed

使い古された
Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
そのスピーチは使い古されたフレーズでいっぱいで、聴衆を鼓舞することはなかった。
C1 noun /jiːst/

Yeast

イースト
Meaning
microorganisms used in baking and brewing to cause fermentation
Example
Add yeast to the flour to make the bread rise.
パンを膨らませるために小麦粉にイーストを加えます。
C1 noun /rɪˈpreʃən/

Repression

抑圧
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
政府の表現の自由に対する抑圧は、広範な抗議を引き起こした。
C1 adjective /aɪˈdɪlɪk/

idyllic

田園詩のように美しい
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
彼らは海辺で田園詩のような休暇を楽しみました。
C1 adjective /ʌnˈfɛtərd/

unfettered

自由な
Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
アーティストは制限のない表現の自由を楽しんだ。
C1 adjective ˌɪn.tə.dʒen.əˈreɪ.ʃən.əl

intergenerational

世代間、異なる世代間で発生する
Meaning
Existing or occurring between different generations of a family.
Example
Intergenerational wisdom ensures cultural continuity.
インタージェネレーショナルな知恵は文化的継続性を確保する。
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

虚弱; 病気; 衰弱
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
高齢で多くの病気を抱えていても、彼は精神的に鋭く、警戒心を持ち続けました。
C1 noun /ˈmʌltɪplaɪər/

multiplier

乗数
Meaning
a number or factor by which another number is multiplied; something that increases the effect or value of something else
Example
In economics, government spending can act as a multiplier for economic growth.
経済学では、政府支出が成長の乗数となることがある。
C1 adjective /ˌɪnækˈsɛsəbl/

inaccessible

アクセスできない
Meaning
unable to be reached, entered, or understood
Example
The remote village is almost inaccessible during the rainy season.
その遠隔地の村は雨季にはほとんどアクセスできません。
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 stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

嵐の強化
Meaning
The process by which storms become stronger and more severe in intensity.
Example
Storm intensification is linked to climate change.
嵐の強化は気候変動に関連しています。
C1 noun /ˈlæb.ə.rɪnθ/

labyrinth

迷路, 複雑な道のネットワーク
Meaning
A complicated network of paths or passages; an intricate and confusing arrangement.
Example
The city's streets were like a labyrinth.
街の通りは迷路のようだった。
C1 verb /ˈsætʃəˌreɪt/

saturate

Meaning
to fill completely with something until no more can be absorbed
Example
The heavy rain saturated the ground within minutes.
C1 adjective /ˈɪnərmoʊst/

Innermost

最も深い; 最も個人的な
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
彼女は最も深い感情を最も親しい友人と共有しました。
C1 noun /ˈæntənɪm/

antonym

反意語
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ は ‘cold’ の反意語です。
C1 noun /tækˈsɒnəmi/

taxonomy

分類学
Meaning
The science or practice of classifying things, especially organisms.
Example
Modern taxonomy helps scientists organize and study biodiversity.
現代の分類学は、科学者たちが生物多様性を整理し、研究するのを助けます。
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

興奮または喜び
Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
ジェットコースターの後のエクスヒラレーションの感覚は素晴らしいです。
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 noun /læns/

Lance

Meaning
a long weapon with a sharp metal point, used by soldiers on horseback
Example
The knight charged forward with his lance ready.
騎士は準備が整った槍を持って前進した。
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 noun /njʊˈrɑːlədʒi/

neurology

Meaning
The branch of medicine that deals with disorders of the nervous system.
Example
She specializes in neurology and treats patients with brain diseases.
C1 noun /ˈblɪs.tər/

Blister

水ぶくれ
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
新しい靴が彼女のかかとに痛い水ぶくれを作った。
C1 verb /bɪˈriːv/

bereave

大切な人を失う
Meaning
to deprive someone of a loved one through death
Example
She was bereaved of her husband last year.
彼女は昨年、夫を亡くしました。
C1 noun /brɒŋˈkaɪtɪs/

bronchitis

気管支炎
Meaning
inflammation of the lining of the bronchial tubes, which carry air to and from the lungs
Example
The doctor diagnosed him with acute bronchitis.
医者は彼に急性の気管支炎を診断しました。
C1 noun (plural) /ˈhɪntərlændz/

hinterlands

辺境地
Meaning
Plural of hinterland; remote or less developed regions.
Example
Explorers traveled deep into the hinterlands of the country.
探検家たちはその国の辺境地に深く旅しました。
C1 noun /ˌpærəfəˈneɪliə/

paraphernalia

道具一式
Meaning
Miscellaneous articles, especially equipment needed for a particular activity.
Example
The fisherman carried all his fishing paraphernalia in a large box.
漁師はすべての釣り道具を大きな箱に入れて運びました。
C1 adjective /juːˈbɪkwɪtəs/

ubiquitous

普遍的
Meaning
Existing or being everywhere at the same time.
Example
Social media has become ubiquitous among young people.
ソーシャルメディアは若者の間で普及しています。
C1 verb /ˈkɒnskrɪpt/

conscript

徴兵する
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
政府は戦争中に若い男性を徴兵しました。
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

自発性
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
彼の自発性は彼を素晴らしい会話者にします。
C1 verb /ˈkriːmeɪt/

cremate

火葬する
Meaning
to burn a dead body to ashes as a funeral rite
Example
According to his wishes, they cremated his body after the funeral.
彼の希望に従って、葬儀の後に彼の遺体を火葬しました。
C1 verb /ɪˈroʊd/

erode

浸食
Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
海岸線は継続的な波のために浸食し始めた。
C1 verb /ˈteɪpər/

taper

先細りになる
Meaning
To gradually decrease in width, thickness, or intensity.
Example
The road tapers off as it reaches the mountains.
道路は山に到達するにつれて細くなります。
C1 adjective /ɪˈluː.sɪv/

Illusive

幻想的な; 存在しているように見えるが実際には存在しない; 騙すような
Meaning
deceptive; appearing to exist but not real; misleading
Example
The promise of easy money proved to be illusive and misleading.
簡単なお金の約束は幻想的であり、誤解を招くものでした。
C1 adjective /ˈpɔɪ.njənt/

poignant

胸を打つ, 感動的
Meaning
evoking a keen sense of sadness or regret; deeply touching
Example
The movie's ending was so poignant that many in the audience were moved to tears.
映画のラストシーンは非常に感動的で、多くの観客が涙を流しました。
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 verb /ˈstriːmlaɪnɪŋ/

streamlining

簡素化
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
プロセスの簡素化は、運用コストを大幅に削減することができます。
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
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 /ˌædəˈreɪʃən/

adoration

崇拝 / 深い愛
Meaning
deep love and respect; worship
Example
The fans showed their adoration for the singer.
ファンは歌手に対して自分の愛情を示した。
C1 adjective /səbˈsɪd.i.ər.i/

Subsidiary

子会社の; 二次的な; 子会社に関連する
Meaning
less important than the main thing; secondary; of or relating to a subsidiary company
Example
The subsidiary company handles all overseas operations.
子会社はすべての海外業務を管理しています。
C1 verb /ˈmɛdəl/

meddle

他人の問題に干渉する
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
彼はいつも他人の事に口を出そうとする。
C1 noun /ˈrɛzɪn/

resin

樹脂
Meaning
a sticky organic substance, usually secreted by plants, often used in varnishes or plastics
Example
The craftsman used natural resin to make the sculpture shine.
職人は彫刻を輝かせるために天然の樹脂を使用しました。
C1 adjective /ˈkɔːrəl/

choral

合唱に関連する
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
教会は日曜日に合唱のパフォーマンスを開催しました。
C1 verb /dəˈmɛstɪkeɪt/

domesticate

家畜化する
Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
人間は数千年前に犬を家畜化しました。
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 /rɪˈmɛmbrəns/

remembrance

記憶
Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
戦死した兵士たちを記憶するための式典が行われた。
C1 noun /səbˈdʒɛkʃən/

subjection

服従
Meaning
the act of bringing someone or something under control or domination
Example
The people suffered under the subjection of a cruel ruler.
人々は残虐な支配者の下で苦しんでいた。
C1 adjective /ˈrɪkɪti/

rickety

ぐらつく
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
彼らは川を越える不安定な木製の橋を渡りました。
C1 noun /ˈdɛməɡɒɡ/

demagogue

デマゴーグ
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
群衆はデマゴーグの情熱的な演説に影響された。
C1 noun /ˌtes.tɪˈmoʊ.ni.əl/

Testimonial

推薦状
Meaning
a formal statement testifying to someone's character and qualifications
Example
The professor wrote a glowing testimonial for her former student.
教授は彼女の元生徒のために素晴らしい推薦状を書きました。
C1 noun /kɪˈməʊnoʊ/

kimono

着物
Meaning
a traditional Japanese robe with wide sleeves, tied with a sash
Example
She wore a beautiful silk kimono at the ceremony.
彼女は儀式で美しい絹の着物を着ていた。
C1 verb /kənˈkɒkt/

concoct

作る、考案する
Meaning
to make something, especially food or a story, by mixing or inventing
Example
He concocted a story to explain his absence.
彼は自分の不在を説明するために話を作り上げました。
C1 verb /ˈlɛvi/

levy

課税する
Meaning
To impose or collect, especially a tax or fine.
Example
The government decided to levy a new tax on luxury goods.
政府は高級品に新しい税金を課すことに決めました。
C1 noun /lɒft/

loft

ロフト
Meaning
An upper room or space, often under the roof of a building.
Example
She converted the old loft into a modern studio.
彼女は古いロフトを現代的なスタジオに改造しました。
C1 noun /kjʊˈreɪtər/

curator

キュレーター
Meaning
a person who is responsible for the care and management of a museum, gallery, or collection
Example
The curator organized a new exhibition of ancient artifacts.
キュレーターは新しい古代の遺物の展示を組織しました。
C1 adjective /ˈpen.ɪ.ləs/

Penniless

無一文; 極貧; 完全に金がない
Meaning
having no money; extremely poor; completely without funds
Example
After losing his job, he became penniless.
仕事を失った後、彼は無一文になった。
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

啓蒙された; 精神的に目覚めた; 賢い;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
啓蒙された教師は、すべての生徒と知恵を共有しました。
C1 verb /ˈkwɪvər/

quiver

震える
Meaning
To tremble or shake with slight but rapid motion.
Example
Her lips began to quiver as she tried not to cry.
彼女は泣かないように努力しながら唇が震え始めました。
C1 noun /ˈtɛnəmənt/

tenement

アパートメント
Meaning
a large building divided into separate apartments, often in poor condition
Example
The family lived in a crowded tenement in the city.
その家族は街の混雑したアパートメントに住んでいました。
C1 noun /ˈpɒlɪɡlɒt/

polyglot

ポリグロット
Meaning
a person who knows and can use several languages
Example
She is a polyglot, fluent in English, Spanish, and Bengali.
彼女はポリグロットで、英語、スペイン語、ベンガル語に堪能です。
C1 adverb /əˈfrɛʃ/

afresh

再び
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
失敗後、彼らは新たにプロジェクトを始めた。
C1 noun /ˈsed.ɪ.mənt/

Sediment

堆積物
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
川は洪水の間に堆積物を下流へ運んだ。
C1 verb /rɪˈsiːd/

recede

後退する
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
激しい雨が止んだ後、洪水は後退し始めました。
C1 noun /ləˈɡuːn/

lagoon

ラグーン
Meaning
A shallow body of water separated from the sea by sandbars or reefs.
Example
We swam in the calm waters of the lagoon.
私たちはラグーンの穏やかな水で泳ぎました。
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 adjective /ɪnˈtrɛpɪd/

intrepid

勇敢な
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
その勇敢な旅行者は一人でジャングルを探検した。
C1 noun əˈrɪd.ɪ.ti

aridity

干ばつ
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
気候変動の影響で土地の干ばつが進行しています。
C1 adjective /ɪɡˈzuːbərənt/

exuberant

興奮した
Meaning
full of energy, excitement, and cheerfulness
Example
The children were exuberant after winning the game.
子供たちはゲームに勝った後、興奮していました。
C1 noun /ˈstoʊəˌweɪ/

stowaway

密航者
Meaning
A person who hides on a ship, plane, or other vehicle in order to travel secretly without paying.
Example
The crew discovered a stowaway hiding in the cargo hold.
乗組員は貨物室に隠れている密航者を発見しました。
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

非同期の
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
非同期コースは学生が自分のペースで学べるようにします。
C1 verb /splaɪs/

splice

接続する
Meaning
to join two pieces of rope, film, or other material by weaving or attaching them together
Example
The technician spliced the two wires to restore the connection.
技術者は2本のワイヤーを接続して接続を回復しました。
C1 noun ˌmɛtə ˈmɔːfəsɪs

metamorphosis

変容
Meaning
A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Example
The company's metamorphosis from a small startup to a global leader was remarkable.
その企業が小さなスタートアップから世界的リーダーへと変容したのは驚くべきことだった。
C1 adverb /əˈnjuː/

anew

新たに
Meaning
In a new or different way; once more.
Example
After the failure, she decided to start her life anew.
失敗後、彼女は新たに人生を始めることを決意した。
C1 verb /kəˈpɪtjʊˌleɪt/

capitulate

降伏する
Meaning
to surrender or give in after resisting
Example
The army had no choice but to capitulate to the enemy.
軍隊は敵に降伏せざるを得なかった。
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 noun /bəˈtæljən/

battalion

大隊
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
その大隊は前線に展開されました。
C1 noun ˌmɪsˈmænɪdʒmənt

mismanagement

不適切な管理
Meaning
Bad or careless management of something.
Example
Mismanagement of plastic waste worsens pollution.
プラスチックごみの不適切な管理が汚染を悪化させます。
C1 verb /ɪkˈstoʊl/

extol

称賛する
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
先生は生徒の献身と努力を称賛しました。
C1 noun /sʌˈmeɪʃən/

summation

合計, 要約
Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
弁護士は事件の強力な要約を行った。
C1 noun ˈredʒ.ɪ.strɑːr

registrar

レジストラー
Meaning
An official responsible for keeping records or registers.
Example
The registrar oversees all administrative tasks.
レジストラーはすべての行政業務を監督しています。
C1 noun /ˈpɛdəstəl/

pedestal

台座 / pedestal
Meaning
the base or support on which a statue or object stands
Example
The statue was placed on a marble pedestal.
彫像は大理石の台座に置かれました。
C1 noun /ɡʌst/

Gust

突然の強風
Meaning
a sudden strong rush of wind; a sudden burst or outburst of feeling
Example
A powerful gust of wind knocked over the outdoor umbrellas at the cafe.
強い風がカフェの外のパラソルを倒しました。
C1 verb /ˈpæmpər/

pamper

甘やかす / 大切にする
Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
親はしばしば最初の子供を甘やかします。
C1 adjective /ʌnˈduː/

Undue

過度の; 不適切な; 必要以上または適切以上の
Meaning
excessive; inappropriate; more than is necessary or proper
Example
The teacher complained about undue pressure from parents.
教師は親からの過度なプレッシャーについて不満を言いました。
C1 verb /ˌmɪsɪnˈtɜːrprɪt/

misinterpret

誤解する
Meaning
to understand or explain something wrongly
Example
He misinterpreted her silence as agreement.
彼は彼女の沈黙を同意と誤解した。
C1 adjective /ɔːˌθɒr.ɪˈteə.ri.ən/

authoritarian

権威主義者
Meaning
Demanding absolute obedience to authority; excessively controlling or strict in governance.
Example
Authoritarian parenting often limits a child's independence.
権威主義的な育児は、しばしば子供の独立性を制限します。
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 esˈθet.ɪks

aesthetics

美学
Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
インテリアデザインは美学と機能性に焦点を当てています。
C1 adjective /ˌʌnɪˈkwɪvəkəl/

unequivocal

明確
Meaning
Leaving no doubt; clear and unambiguous
Example
She gave an unequivocal answer to the question.
彼女は質問に対して明確な答えを出しました。
C1 adjective kəˈlɒs.əl

Colossal

巨大な
Meaning
Extremely large, gigantic, enormous in size or extent.
Example
The colossal pyramids of Egypt are a marvel of architecture.
エジプトの巨大なピラミッドは建築の奇跡です。
C1 noun /ɪˈnɪɡ.mə/

enigma

Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
人生は多くの人にとって謎のままです。
C1 verb /piːv/

peeve

苛立たせる
Meaning
To annoy or irritate someone.
Example
His constant interruptions really peeve me.
彼の絶え間ない干渉は本当に私を苛立たせます。
C1 phrase lɪˈdʒɪt.ɪ.mət sɛlf dɪˈfens

legitimate self-defense

正当防衛
Meaning
Lawful protection of oneself from harm or attack.
Example
The country claimed it was legitimate self-defense.
その国は正当防衛であると主張しました。
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 adjective /ˈtraɪflɪŋ/

Trifling

些細な; 重要でない; 無駄な
Meaning
of little importance; trivial; insignificant
Example
Don't worry about such trifling matters.
そんな些細なことで心配しないでください。
C1 adjective /ˈweɪwərd/

wayward

反抗的な
Meaning
Difficult to control or predict because of unusual or perverse behavior.
Example
The teacher struggled to manage the wayward students.
教師は反抗的な生徒を管理するのに苦労していた。
C1 adjective /ˈbleɪtənt/

blatant

明白な
Meaning
done openly and unashamedly; obvious and offensive
Example
The company's blatant disregard for safety regulations angered the public.
その企業の安全規制に対する公然たる軽視が、一般市民の怒りを買った。
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 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 noun /ˈweɪs(t).koʊt/

waistcoat

ベスト
Meaning
a sleeveless garment worn over a shirt and under a jacket
Example
He wore a black waistcoat with his suit.
彼はスーツに黒いベストを着ていた。
C1 noun /ˌkɔr.diˈæl.ɪ.ti/

Cordiality

友情; 優しさ
Meaning
sincere affection and kindness; warm and friendly behavior
Example
The host's cordiality made all the guests feel welcome and comfortable.
ホストのコーディアリティはすべてのゲストが歓迎され、快適に感じさせました。
C1 verb /reɪv/

rave

絶賛する
Meaning
to speak or write about something with great enthusiasm or admiration
Example
Critics rave about the new movie.
批評家たちは新しい映画を絶賛しています。
C1 noun /ˈsɛntɪˌliːtər/

centiliter

Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
C1 noun /əˈfen.dər/

Offender

犯罪者; 法律違反者
Meaning
a person who commits an illegal act; someone who breaks the law
Example
The young offender was sentenced to community service.
その若い犯罪者はコミュニティサービスを命じられました。
C1 verb /dɪˈfɔːrm/

deform

変形する
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温がプラスチック容器を変形させ始めた。
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 /ˈskaʊər/

scour

磨く / 徹底的に探す
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
彼女はキッチンを磨いて、ピカピカにしました。
C1 verb /ˈmɑːrdʒɪnəlaɪz/

marginalize

疎外する, 置き去りにする
Meaning
To treat a person or group as unimportant or insignificant.
Example
The policy marginalized minority communities.
政策は少数派コミュニティを疎外しました。
C1 verb /aʊtˈlɪv/

outlive

より長生きする
Meaning
to live longer than someone or something else
Example
She outlived all her siblings.
彼女はすべての兄弟姉妹より長生きしました。
C1 verb/noun ˈfæð.əm

fathom

理解する
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
海の深さを理解するのは難しい。
C1 adjective /ɪnˈkrɛdjələs/

incredulous

Meaning
unwilling or unable to believe something
Example
He gave her an incredulous look when she claimed she could fly.
C1 noun /ˈprɛəri/

prairie

草原
Meaning
A large open area of grassland, especially in North America.
Example
The bison roamed freely across the prairie.
バイソンは草原を自由に歩き回った。