Tentative
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C1 adjective /ˈten.tə.tɪv/

Tentative

仮の; 不確かな
Meaning
not certain or fixed; provisional; hesitant or unsure
Example
We made tentative plans to meet next week.
私たちは来週会うための仮の計画を立てました。
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 /saɪð/

scythe

鎌
Meaning
A tool with a long curved blade used for cutting grass or grain.
Example
The farmer sharpened his scythe before harvesting the wheat.
農民は小麦を収穫する前に彼の鎌を研いだ。
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

人食い
Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
探検家の日記には、遠くの島で人食いが生きているという噂が書かれていました。
C1 noun ˌpɒlɪˈneɪʃən

Pollination

受粉
Meaning
The process by which pollen is transferred from flowers, enabling plant reproduction.
Example
Butterflies play a vital role in pollination.
蝶々は受粉において重要な役割を果たしています。
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 noun /pɒˈstɛrɪti/

posterity

後世
Meaning
All future generations of people.
Example
The monument was built for the benefit of posterity.
記念碑は後世のために建てられました。
C1 verb /ˈɪnfɪltreɪt/

infiltrate

浸透
Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
スパイたちは敵基地に infiltrate できた。
C1 adjective /ˈsted.fæst/

Steadfast

不動の; 固い; 揺るがない
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
彼女は貧しい人々を助けるという自分の誓いに不動であり続けました。
C1 adjective /pərˈpɔːrtɪd/

purported

主張された
Meaning
alleged or claimed to be true, often without proof
Example
The purported evidence was later proven false.
主張された証拠は後に間違っていると証明されました。
C1 adjective /ˈdɒɡɪd/

dogged

執拗
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
彼女は執拗な決意で成功を収めました。
C1 adjective /ʃruːd/

Shrewd

賢い; 鋭い; 分別のある
Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
その賢いビジネスマンは、競争の激しい市場で利益を上げる取引をしました。
C1 verb /druːp/

droop

垂れる
Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
花は暑さで垂れ始めました。
C1 verb /trænˈspaɪər/

transpire

発生する
Meaning
to occur, happen, or become known
Example
It transpired that he had lied about his age.
彼が年齢について嘘をついていたことが明らかになった。
C1 noun ˌɒb.səˈlɛs.əns

obsolescence

陳腐化
Meaning
The process of becoming obsolete or outdated and no longer used.
Example
The rapid advancement of technology leads to the obsolescence of old devices.
テクノロジーの急速な進歩は古いデバイスの陳腐化を引き起こします。
C1 noun /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

居住者コーディネーター
Meaning
A local administrator or official who coordinates activities in a specific region.
Example
The resident coordinator welcomed all representatives.
居住者コーディネーターは全ての代表者を歓迎しました。
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

フラグメンテーション
Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
生息地のフラグメンテーションは多くの種に脅威を与えています。
C1 adjective /dɪsˈpæʃənət/

dispassionate

冷静な
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
裁判官は裁判全体を通して冷静さを保ちました。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
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 /dɪˈsɪd.ju.əs/

deciduous

落葉樹
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
オークとカエデの木は落葉樹で、秋に葉を落とします。
C1 verb /ˈpæri/

parry

攻撃をかわす
Meaning
to ward off or deflect an attack, especially in fencing or conversation
Example
He managed to parry the opponent’s sword with quick reflexes.
彼は素早い反応で相手の剣をかわすことができた。
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

エピローグ
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
著者は登場人物たちのその後について説明するためにエピローグを追加しました。
C1 noun kənˈfɔː.mə.ti

conformity

順応、適合、従順
Meaning
Compliance with standards, rules, or laws. Behavior in accordance with socially accepted conventions.
Example
Strict conformity to the rules ensures order in society.
規則の厳格な順守は社会の秩序を保証します。
C1 noun /ˈtriːtɪs/

treatise

論文
Meaning
a formal and systematic written work dealing with a subject in detail
Example
He wrote a treatise on modern economic theory.
彼は現代経済理論に関する論文を書いた。
C1 verb /ɡʌʃ/

gush

流れる
Meaning
to flow out suddenly and forcefully, or to express something enthusiastically
Example
Tears began to gush from her eyes.
涙が彼女の目からガシュと流れ出した。
C1 adjective /ˈviːnəs/

venous

静脈の
Meaning
relating to the veins that carry blood to the heart
Example
The doctor examined the patient’s venous circulation.
医者は患者の静脈循環を検査しました。
C1 noun ɪkˌstræp.əˈleɪ.ʃən

extrapolation

外挿
Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
市場動向の彼の外挿は、財務計画に役立ちました。
C1 adverb /əˈlɜːrtli/

alertly

注意深く
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
彼女は暗い森であらゆる音を注意深く聞いていた。
C1 adjective /rɪˈstreɪnd/

restrained

抑制された
Meaning
characterized by reserve or self-control; held back
Example
Her restrained reaction surprised everyone.
彼女の抑制された反応は皆を驚かせました。
C1 noun /fiˈæs.koʊ/

fiasco

完全な失敗
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
計画の悪さからそのイベントは完全な失敗に終わった。
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

耐えられない痛み
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
彼女は事故の後、耐えられない痛みを感じていた。
C1 noun /ɡʌl/

Gull

カモメ
Meaning
a seabird with webbed feet, long wings, and usually white and gray feathers
Example
The gull swooped down to grab the fish from the water.
カモメは水から魚をつかむために急降下した。
C1 adjective /ɪnˈsɪdiəs/

insidious

陰険な
Meaning
Proceeding in a gradual, subtle way but with harmful effects.
Example
The insidious spread of misinformation can damage trust.
誤った情報の陰険な広がりは信頼を傷つける可能性がある。
C1 adjective /ʌnˈɜːrθli/

unearthly

超自然的
Meaning
Strange or unnatural in a way that seems not of this world
Example
The forest was filled with an unearthly glow.
森は超自然的な輝きで満たされていました。
C1 noun /frɪˈvɒləti/

frivolity

軽薄さ
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
先生は試験中の軽薄な行動を戒めました。
C1 adverb /ˈhɒtli/

hotly

激しく
Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
彼女はその告発を激しく否定した。
C1 noun /ɪɡˈzuːbərəns/

exuberance

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

Mural

壁画
Meaning
a painting or artwork applied directly on a wall or ceiling
Example
The artist painted a beautiful mural on the school wall.
アーティストは学校の壁に美しいミューラルを描きました。
C1 verb /smɜrk/

smirk

自己満足の笑顔
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
彼は議論に勝ったとき、ニヤリと笑った。
C1 adjective /ˈstrɛnjuəs/

strenuous

厳しい
Meaning
Requiring or using great effort and energy.
Example
Climbing the mountain was a strenuous task.
山登りは厳しい仕事だった。
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 /ˈædʒɪteɪtɪd/

Agitated

動揺した; 不安な; 落ち着かない; 否定的に興奮した
Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
彼は悪いニュースを聞いて動揺した。
C1 noun /fɔːn/

Fawn

子鹿
Meaning
a young deer; a light yellowish-brown color
Example
The mother deer protects her fawn from predators.
母鹿は捕食者から子鹿を守ります。
C1 noun /ˈskwɒtər/

squatter

不法占拠者
Meaning
a person who unlawfully occupies an uninhabited building or unused land
Example
The police removed the squatters from the abandoned house.
警察は廃墟から不法占拠者を追い出しました。
C1 noun /ˈkleɪmənt/

claimant

請求者
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
事故後、請求者は補償を申し立てました。
C1 verb /ænˈtæɡənaɪz/

antagonize

挑発する
Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
彼の失礼な言葉は彼の同僚をアンタゴナイズすることにしかならなかった。
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 noun ˌʌndərˈprɪvəlɪdʒd ɡruːps

underprivileged groups

恵まれないグループ
Meaning
Groups of people who lack basic necessities or advantages that are available to other members of society.
Example
Underprivileged groups benefit from social initiatives.
恵まれないグループは社会的なイニシアティブから利益を得ます。
C1 noun, adjective /ˈsɒlvənt/

solvent

溶剤, 債務を支払う能力
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
アセトンは実験室でよく使われる溶剤です。
C1 adverb /ˈpiːs.miːl/

Piecemeal

少しずつ; 一度に一部分
Meaning
done or made gradually, one piece at a time; fragmentary; unsystematic
Example
The renovation was done piecemeal over several years due to budget constraints.
予算制約のため、改修工事は数年にわたって少しずつ行われました。
C1 noun /ˌsɑːrdʒənt ˈmeɪdʒər/

sergeant-major

サージェント・メイジャー
Meaning
A senior non-commissioned officer in the army responsible for discipline and administration within a unit.
Example
The sergeant-major inspected the troops before the parade.
サージェント・メイジャーはパレード前に部隊を点検しました。
C1 adjective /ˈveɪɡrənt/

Vagrant

放浪者; ホームレス
Meaning
wandering aimlessly; having no settled home
Example
The vagrant man was asking for food near the station.
その放浪者は駅の近くで食べ物を求めていました。
C1 adjective ˈkɒn.təm.plə.tɪv

contemplative

思索的または瞑想的
Meaning
Expressing or involving prolonged thought; meditative and reflective.
Example
He spent a contemplative evening reflecting on his decisions.
彼は自分の決断を振り返りながら、思索的な夕べを過ごしました。
C1 noun /ˈædʒʌŋkt/

adjunct

補助的
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
教授は大学で補助的な役職で働いていました。
C1 noun əˌsɪm.ɪˈleɪ.ʃən

Assimilation

同化
Meaning
Connecting new information with existing knowledge
Example
Proper assimilation of knowledge leads to effective learning.
知識の適切な同化は効果的な学習につながります。
C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

評判の良い; 有名な
Meaning
generally said or believed to be; having a particular reputation
Example
He is reputed to be one of the best doctors in the country.
彼はその国で最高の医者の一人と見なされています。
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 /ˈnʌr.ɪʃ.mənt/

nourishment

栄養
Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
適切な栄養は子供の発達に不可欠です。
C1 adjective /ˌhoʊlˈhɑːrtɪd/

wholehearted

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

formative

形成的
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
子供時代は人生の中で形成的な段階としてよく説明されます。
C1 noun ˌkɒn.əˈteɪ.ʃən

connotation

言葉の暗示的または示唆された意味
Meaning
The implied or suggested meaning of a word beyond its literal definition
Example
The word 'home' has a warm connotation of comfort and family.
'家'という言葉には、快適さと家族を象徴する温かい暗示がある
C1 noun /ˈtʃʌk.əl/

Chuckle

軽い笑い
Meaning
a quiet or suppressed laugh; to laugh quietly or with amusement
Example
He gave a soft chuckle when he heard the funny joke.
彼は面白いジョークを聞いて軽くクスクス笑った。
C1 noun /ˌæntɪˈsiːdənt/

antecedent

先例
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
この祭りの文化的な先例は何世紀も前に遡ります。
C1 adjective /pɜːrt/

pert

生意気だけど魅力的
Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
彼女はみんなを笑わせた生意気な返事をした。
C1 verb /piːk/

pique

引き起こす
Meaning
to stimulate interest or curiosity; to arouse resentment or anger
Example
Her remarks piqued his curiosity about the secret project.
彼女のコメントは秘密のプロジェクトに対する彼の好奇心を引き起こしました。
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

奴隷制度反対
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
奴隷制度反対運動は19世紀に勢いを増した。
C1 verb /ɪmˈpɛl/

impel

Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
C1 adjective /ˈɪrɪtəbl/

irritable

Meaning
easily annoyed or made angry
Example
She became irritable after working long hours without rest.
C1 noun /ˈtrɪŋkɪt/

trinket

小さな装飾品
Meaning
a small ornament or piece of jewelry that is not expensive
Example
She bought a little trinket from the beach market as a souvenir.
彼女はビーチマーケットで小さな装飾品をお土産として買った。
C1 verb /ɡreɪt/

grate

すりおろす, 苛立たせる
Meaning
to shred food into small pieces using a grater; to irritate or annoy
Example
She grated the cheese for the pasta dish.
彼女はパスタ料理のためにチーズをおろしました。
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

固定観念的な
Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
彼の固定観念的なジョークは観客を感動させられなかった。
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

群島
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
インドネシアは何千もの島々が集まった群島です。
C1 adjective /ˈstɔːlwərt/

stalwart

忠実, 頑強
Meaning
Loyal, reliable, and hardworking; strongly built or sturdy.
Example
She has always been a stalwart supporter of the community.
彼女は常にコミュニティの忠実な支持者でした。
C1 noun /ˌprɒpəˈɡeɪʃən/

propagation

普及, 宣伝
Meaning
The action of spreading and promoting an idea, theory, etc.
Example
The propagation of ideas through social media is rapid.
ソーシャルメディアを通じてアイデアの普及が急速に進んでいます。
C1 adjective /ˈsek.j ə.l ər/

Secular

世俗的
Meaning
not connected with religious or spiritual matters; worldly
Example
The country maintains a secular government that separates religion from politics.
その国は宗教と政治を分離する世俗的な政府を維持している。
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 verb /ˈmɜːrmər/

murmur

つぶやく
Meaning
To say something in a low, soft, or indistinct voice.
Example
She murmured a prayer before going to sleep.
彼女は寝る前に祈りをささやきました。
C1 verb /ˈplʌm.ɪt/

plummet

速い速度で真っ直ぐに落ちる
Meaning
to fall straight down at high speed
Example
Stock prices plummeted after the sudden market crash.
株価は市場の突然の暴落後に急落しました。
C1 noun /ˈlaɪtʃi/

Litchi

ライチ
Meaning
a small oval pink-red tropical fruit with white translucent flesh and sweet taste
Example
The litchi has a rough pink shell that you peel to eat the sweet white fruit inside.
ライチは、外側がざらざらしたピンク色の皮で、中に甘くて白い果実が入っています。
C1 adjective /kəmˈpensətɔːri/

compensatory

補償的
Meaning
serving to make up for a loss, damage, or injury
Example
The court awarded him compensatory damages.
裁判所は彼に補償的損害賠償を授与しました。
C1 verb /daɪˈvɛst/

divest

Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
C1 noun /ˈmoʊldɪŋ/

molding

装飾モールディング
Meaning
A decorative strip or design, often used on walls, ceilings, or furniture.
Example
The wooden molding gave the room a classic look.
木製のモールディングが部屋にクラシックな印象を与えました。
C1 noun /hɪˈstɪəriə/

hysteria

Meaning
An uncontrollable outburst of emotion or fear, often characterized by irrational behavior.
Example
The crowd was in a state of hysteria during the concert.
C1 verb /bloʊt/

bloat

膨らむ
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
ジャンクフードを食べすぎると、あなたの胃が膨らむことがあります。
C1 adjective /ˈlaʊzi/

lousy

ひどい
Meaning
of very poor quality; bad or unpleasant
Example
He felt lousy after catching the flu.
インフルエンザにかかった後、彼はひどく感じた。
C1 noun /kəˈpɪl.ər.iz/

capillaries

毛細血管
Meaning
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Example
Broken capillaries cause dark circles.
壊れた毛細血管は暗い輪を引き起こす。
C1 noun ˈsʌb.tɛkst

subtext

サブテキスト
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
彼のスピーチのサブテキストは、意見の不一致を示唆していた。
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 /ˈherən/

Heron

サギ
Meaning
large wading bird with long legs and neck that feeds on fish
Example
The heron stood motionless by the water's edge, waiting for fish.
サギは水辺でじっとして、魚を待っていました。
C1 noun /ˈruː.bi/

Ruby

ルビー
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
そのルビーの指輪は彼女にとって最も大切な宝物でした。
C1 noun /ˈsɔː.dʌst/

sawdust

木屑
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
床は大工仕事からの木屑で覆われていました。
C1 adjective /ˌæl.truˈɪs.tɪk/

altruistic

利他的な
Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
彼女の利他的な性格は、チャリティー活動のボランティアをするよう促した。
C1 adjective /ˌpæn.əˈmer.ɪ.kən/

Pan-American

パンアメリカン
Meaning
relating to all the countries of North, Central, and South America
Example
The Pan-American Games bring together athletes from across the continent.
パンアメリカンゲームは大陸全体のアスリートを集めます。
C1 noun /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C1 adjective /ˌʌnfɔːrθˈkʌmɪŋ/

unforthcoming

協力的でない
Meaning
Not willing to talk or provide information; uncooperative.
Example
The witness was unforthcoming about what he had seen.
証人は見たことについて協力的でなかった。
C1 verb /ɔːɡˈmɛnt/

augment

増加させる
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
会社は労働力を増加させる計画を立てています。
C1 adjective /ˌʌndərɪkˈspoʊzd/

underexposed

露出不足、無視された
Meaning
insufficiently exposed to light (in photography) or not given enough attention
Example
The photo was underexposed and looked too dark.
写真は露出不足で、暗すぎて見えました。
C1 adjective /ˈraʊzɪŋ/

rousing

興奮させる
Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
スピーカーは聴衆を感動させる興奮させるスピーチをしました。
C1 noun /vɛnˈdɛtə/

vendetta

復讐
Meaning
a prolonged bitter quarrel or campaign of revenge
Example
The two families were caught in a bitter vendetta for generations.
二つの家族は何世代にもわたり、苦い復讐に巻き込まれていた。
C1 adjective tɪˈneɪ.ʃəs

tenacious

粘り強い
Meaning
Not readily letting go of, giving up, or separated from an object that one holds, a position, or a principle; persistent.
Example
Her tenacious spirit helped her overcome hardships.
彼女の粘り強い精神が困難を乗り越える助けとなった。
C1 adjective /fəˈnɛtɪk/

phonetic

音声的な
Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
先生は生徒たちに難しい単語の音声的な綴りを教えました。
C1 noun /ˈslændər/

Slander

中傷
Meaning
the action of making false spoken statements damaging to someone's reputation
Example
The politician sued the newspaper for slander.
政治家は中傷で新聞を訴えた。
C1 adjective /ˌʌnkɒnstɪˈtuːʃənəl/

Unconstitutional

違憲の
Meaning
not in accordance with a political constitution; violating constitutional principles
Example
The court declared the new law unconstitutional.
裁判所は新しい法律が違憲であると宣言しました。
C1 adjective /prəˈfɛtɪk/

prophetic

予言的
Meaning
accurately predicting or describing what will happen in the future
Example
His prophetic words came true after many years.
彼の予言的な言葉は何年も後に現実となった。
C1 noun /ɪˈklɪps/

Eclipse

日食 (太陽または月)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全な太陽日食は数分間空を暗くしました。
C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

集合体, 総体
Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
データは市場のより明確な画像を提供するために集約されました。
C1 adjective /ˈpeɪtrənaɪzɪŋ/

patronizing

見下す
Meaning
showing kindness that is perceived as condescending or superior
Example
His patronizing tone offended the audience.
彼の見下すような口調は観客を不快にさせた。
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

無礼な
Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
マネージャーの決定に疑問を呈するのは無礼でした。
C1 noun /ˈdʒɛntri/

gentry

上流社会
Meaning
People of good social position, usually of high birth or wealthy landowners
Example
The gentry of the town gathered for the annual ball.
町の上流社会の人々は年次の舞踏会に集まりました。
C1 noun /ˈfaɪərɑːm/

firearm

火器
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
警察は調査中に隠された銃器を発見しました。
C1 noun /ˈɔːrdɪnəns/

ordinance

条例
Meaning
An authoritative rule, law, or decree issued by a city, town, or authority.
Example
The city council passed an ordinance banning smoking in public parks.
市議会は公共公園での喫煙を禁じる条例を可決しました。
C1 noun /ˈvæntɪdʒ/

vantage

有利な位置
Meaning
a position or situation that gives an advantage or a good view
Example
From this vantage, we could see the entire valley.
この位置から、私たちは谷全体を見ることができました。
C1 noun /ˈæptɪˌtjuːd/

aptitude

適性
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
彼女は新しい言語を学ぶのに強い適性を持っています。
C1 noun /ˈtɒpˌsɔɪl/

topsoil

表土
Meaning
the top layer of soil, which is rich in organic matter and nutrients
Example
Farmers rely on healthy topsoil for good crop yields.
農家は良い作物の収穫のために健康な表土に依存しています。
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 phrase ˈriː.dʒən.əl ˈfɔː.rəm

regional forum

地域フォーラム
Meaning
A meeting or conference where representatives from countries or organizations in a specific geographical area discuss issues of common interest.
Example
The Regional Forum discussed deforestation impacts.
地域フォーラムでは、森林伐採の影響について議論されました。
C1 adjective ˌmæk.roʊ.iː.kəˈnɒm.ɪk

macroeconomic

マクロ経済的
Meaning
Relating to the large-scale or general economic factors, such as interest rates and national productivity.
Example
Government policies impact macroeconomic stability.
政府の政策はマクロ経済的安定に影響を与える。
C1 adjective /kwɪər/

Queer

奇妙な; 異常な; 特異な
Meaning
strange; unusual; peculiar; odd
Example
The old house had a queer atmosphere that made visitors uncomfortable.
古い家は奇妙な雰囲気があり、訪問者を不快にさせました。
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

使用可能
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
その古い自転車は年齢に関係なく、まだ使用可能です。
C1 verb /trænˈskraɪb/

transcribe

Meaning
to make a written copy of spoken words or notes
Example
The secretary transcribed the meeting minutes.