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C2 noun /ˈweɪvlət/

wavelet

小さな波
Meaning
a small wave or ripple on the surface of water or another medium
Example
The pond was disturbed only by the tiny wavelets caused by the breeze.
池は風によって引き起こされた小さな波によってのみ乱されました。
C2 noun /əˈluː.vi.əm/

alluvium

沖積土
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
川の岸辺にあるアリューヴィウムは農業に非常に肥沃です。
C2 adjective /kəˈnaɪ.vɪŋ/

conniving

陰険な
Meaning
secretly scheming or plotting to help in wrongdoing
Example
He is a conniving politician who manipulates people for power.
彼は権力のために人々を操る陰険な政治家です。
C2 noun /ˈtoʊ.di/

Toady

おべっか使い
Meaning
a person who acts obsequiously to gain favor; a sycophant
Example
He was known as a toady who always agreed with the boss.
彼は常に上司と同意していたおべっか使いとして知られていました。
C2 noun /ˈɑːriə/

aria

ソロの歌唱曲
Meaning
a solo vocal piece with instrumental accompaniment, typically in an opera
Example
The soprano performed a moving aria during the second act.
ソプラノは第2幕で感動的なアリアを披露しました。
C2 adjective /ˈfiːtɪd/

foetid

腐った
Meaning
having an offensive, unpleasant smell
Example
The foetid smell from the garbage made it hard to breathe.
ゴミからの腐った臭いで呼吸が困難になった。
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

虚無主義
Meaning
The rejection of all religious and moral principles, often in the belief that life is meaningless.
Example
The philosopher was criticized for promoting nihilism.
哲学者はニヒリズムを推進したとして批判されました。
C2 noun /vəˈliːɪti/

velleity

弱い願望
Meaning
A wish or inclination not strong enough to lead to action.
Example
His interest in painting never grew beyond a mere velleity.
絵画への彼の興味は単なる弱い願望に過ぎなかった。
C2 noun /sɪˈrɒkoʊ/

sirocco

熱く乾燥した風
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
シロッコは街を耐えられないほど暑く、ほこりっぽくした。
C2 adjective /ˈfɛtɪd/

fetid

悪臭のある、臭い
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
ゴミからの臭いは耐えられなかった。
C2 noun /ˌriːkruːˈdɛsəns/

recrudescence

再発
Meaning
a new outbreak or revival of something that had subsided, especially an undesirable condition
Example
Health officials warned of a recrudescence of measles in several districts.
保健当局は複数の地区で麻疹の再発の警告を出しました。
C2 noun /ˈpɛtjʊləns/

petulance

気難しさ
Meaning
The quality of being childishly sulky or bad-tempered.
Example
His petulance during the meeting annoyed everyone.
会議中の彼のペチュランスはみんなをイライラさせた。
C2 noun /ɪˈklɛktɪˌsɪzəm/

eclecticism

エクレクティズム
Meaning
A method or practice of deriving ideas, style, or taste from a broad and diverse range of sources.
Example
The architect’s work shows eclecticism by blending modern and traditional elements.
建築家の仕事は、現代的な要素と伝統的な要素を組み合わせてエクレクティズムを示しています。
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
C2 noun /ˌsuːpərɪnˈtɛndəns/

superintendence

監督
Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
学校の監督は校長の責任です。
C2 noun /kəˈbɑːdi/

kabadi

廃品回収業者
Meaning
a person who collects and sells scrap or recyclable materials, especially in South Asia
Example
The kabadi came every week to collect old newspapers and bottles.
廃品回収業者は古い物を集めます。
C2 noun /ˈæpədʒiː/

apogee

頂点
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
帝国は18世紀にその頂点に達しました。
C2 noun /ˌdʒer.ɪˈmaɪ.æd/

Jeremiad

長い嘆き; 悲しみの苦情; 災難のリスト
Meaning
a long mournful complaint or lamentation; a list of woes; a prolonged expression of grief
Example
The newspaper editorial was a jeremiad about the decline of moral values in society.
新聞の社説は社会における道徳的価値の衰退についてのジェレミアッドだった。
C2 noun /nɛˈkroʊsɪs/

necrosis

壊死
Meaning
the death of body tissue due to disease, injury, or lack of blood supply
Example
The doctor explained that the patient’s wound showed signs of necrosis.
医師は、患者の傷が壊死の兆候を示していると説明しました。
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

六角形の
Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
アーティストは鏡のために六角形のフレームをデザインしました。
C2 adjective /daɪˈɒsɪsən/

diocesan

教区に関する
Meaning
relating to a diocese or the district under the supervision of a bishop in the Christian Church
Example
The diocesan council met to discuss church affairs.
教区評議会は教会の問題を話し合うために集まりました。
C2 noun /proʊˈdʒɛnɪtər/

progenitor

先祖
Meaning
a direct ancestor; a person or thing that originates something
Example
Researchers traced the custom back to a common progenitor.
研究者たちはその習慣が共通の先祖に遡ることを追跡しました。
C2 adjective /ˈbrækɪʃ/

brackish

塩水混合
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
川の河口には塩水混合の水があった。
C2 noun /ˌɪməʊˈbɪləti/

immobility

不動
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
事故の後、彼女は足の不動に苦しみました。
C2 noun /dɪsˈjuːnjən/

disunion

分裂
Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
内戦はしばしば国家の分裂から起こる。
C2 verb /ɪnˈfætʃueɪt/

infatuate

夢中にさせる
Meaning
to inspire with an intense but short-lived passion or admiration
Example
He was infatuated with her beauty.
彼は彼女の美しさに夢中でした。
C2 noun /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

統合的外交
Meaning
A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.
Example
Integrative diplomacy strengthens alliances.
統合的外交は同盟を強化する。
C2 noun /ˈpɑːdreɪ/

padre

神父
Meaning
A title for a priest, especially in the Roman Catholic Church; also used informally for 'father'.
Example
The soldiers attended mass led by the padre.
兵士たちは神父が主催したミサに参加しました。
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

等時間間隔で発生する
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
振り子の動きは等時性があり、等しい間隔で繰り返されます。
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

無謀
Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
嵐の中で川を渡るのは無謀な決断だった。
C2 adjective /ˈmʌɡi/

muggy

蒸し暑くて湿気のある
Meaning
uncomfortably warm and humid
Example
It was a muggy afternoon in July.
7月の午後は蒸し暑かった。
C2 verb /kəˈraʊz/

carouse

騒いで飲む
Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
彼らは勝利の後、一晩中騒いで飲んでいた。
C2 verb /læmˈbeɪst/

lambaste

厳しく非難する
Meaning
to criticize someone or something harshly; to reprimand severely
Example
The teacher lambasted the students for not completing their homework.
教師は宿題をやらなかった学生を厳しく叱責しました。
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合併, 統合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
AIとビッグデータの融合は業界を変革しています。
C2 noun /əˌkædəˈmɪʃən/

academician

学者
Meaning
a member of an academy; a scholar or expert in a field of study
Example
The academicians gathered to discuss the future of education.
学者たちは教育の未来について話し合った。
C2 adjective /ˈmɜːrkəntaɪl/

mercantile

商業的
Meaning
related to trade or commerce
Example
The city grew rapidly due to its mercantile activities.
この都市は商業活動のおかげで急速に成長しました。
C2 adjective /ˈplɛntɪəs/

plenteous

豊富
Meaning
existing in great quantity; abundant
Example
The harvest was plenteous, providing enough food for the entire village.
収穫は豊富で、村全体に十分な食料を提供しました。
C2 noun /ˈkɔːrpəskəl/

corpuscle

小さな粒子または細胞、特に赤血球
Meaning
a small particle or cell, especially a blood cell
Example
Red corpuscles carry oxygen throughout the body.
赤血球は体内で酸素を運ぶ。
C2 adjective /ɪmˌpɜːrˈsweɪdəbl/

impersuadable

説得できない
Meaning
not able to be convinced or persuaded
Example
She remained impersuadable despite all our arguments.
彼女はすべての議論にもかかわらず説得できなかった。
C2 noun /ˌmɛtəmˌsaɪˈkoʊsɪs/

metempsychosis

魂の転生
Meaning
The supposed transmigration of the soul, especially its reincarnation after death.
Example
Ancient philosophers often debated the idea of metempsychosis.
古代の哲学者たちは、しばしば魂の転生について議論していました。
C2 noun /ˈʌm.brə/

Umbra

完全な影、太陽黒点の暗い中心
Meaning
the fully shaded inner region of a shadow cast by an opaque object; the dark center of a sunspot
Example
During the eclipse, we stood in the moon's umbra.
日食の際、私たちは月のアンブラの中に立っていました。
C2 adjective /ˌkæləˈrɪfɪk/

calorific

カロリーの高い
Meaning
Relating to the amount of energy contained in food or fuel.
Example
Chocolate is highly calorific, so it should be eaten in moderation.
チョコレートは非常にカロリーが高いため、適量を食べるべきです。
C2 noun /ˌrækənˈtɜːr/

Raconteur

幸せ
Meaning
a person who tells anecdotes in a skillful and amusing way
Example
The old man was a gifted raconteur who entertained everyone with his stories.
彼女は賞を受け取ったとき、喜びを隠せなかった。
C2 verb /ˈvɪʃieɪt/

vitiate

損なう
Meaning
to spoil, weaken, or make something less effective
Example
One careless remark can vitiate the entire argument.
一つの不注意なコメントが議論全体を損なう可能性がある。
C2 noun kəmˈpʌŋk.ʃən

compunction

後悔
Meaning
A feeling of guilt or moral scruple that prevents or follows the doing of something bad.
Example
He felt compunction after lying to his friend.
彼は友達に嘘をついた後、後悔の念を感じました。
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

深い胸元の衣装
Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
彼女はパーティーで深い胸元のドレスを着ていました。
C2 adjective /baɪˈkæmərəl/

bicameral

二院制
Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
アメリカ合衆国には上院と下院から成る二院制の立法機関があります。
C2 noun /ˈæsənəns/

assonance

アソナンス
Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
詩人は自分の詩の中で音楽的効果を生み出すためにアソナンスを使用しました。
C2 noun /ˈæntiˌkraɪst/

antichrist

反キリスト
Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
一部の人々は未来に反キリストが現れることを恐れている。
C2 adverb /ˌsʌb ˈroʊzə/

sub rosa

秘密裏に
Meaning
secretly, in confidence, or in private
Example
The deal was made sub rosa to avoid public scrutiny.
取引はサブ ローザで行われ、公衆の監視を避けるためでした。
C2 noun /ˈɒbsɪkwi/

obsequy

葬儀
Meaning
A funeral rite, usually used in plural form obsequies.
Example
The village gathered for the obsequy of their beloved teacher.
村人たちは、愛する教師の葬儀のために集まりました。
C2 verb /bɪˈfɪt/

befit

ふさわしい
Meaning
to be suitable for; to be appropriate to
Example
Formal attire befits the seriousness of the occasion.
フォーマルな服装はその場の厳粛さにふさわしい。
C2 adjective /fəˈloʊniəs/

felonious

重大な犯罪に関連する
Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
事件の後、彼は重罪暴行で起訴されました。
C2 noun /ˈɪmɪˌteɪtər/

imitator

模倣者
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
彼は人気のある歌手の模倣者として有名になった。
C2 adjective /hɪk/

Hick

田舎者; 田舎の人
Meaning
unsophisticated person from a rural area; country bumpkin
Example
He had a hick accent from growing up in a small town.
彼は小さな町で育ったため、田舎者のアクセントがあった。
C2 adjective /ˈtrɛmjələs/

tremulous

震える
Meaning
shaking or quivering slightly, often from nervousness or weakness
Example
Her voice was tremulous as she gave her speech.
彼女の声は震えていました、彼女がスピーチをした時。
C2 noun /lɑːrˈʒes/

largess

寛大さ
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
財団は裕福な寄付者の寛大さのおかげで存続しました。
C2 noun /kwaɪˈiːtəs/

Quietus

死または死を引き起こすもの; 最後の決着
Meaning
death or something that causes death; a final settlement
Example
The hero received his quietus from the villain's sword.
英雄は悪党の剣から自分のクワイエタスを受け取った。
C2 noun /ˈskɜː.vi/

scurvy

壊血病
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
水夫たちは、新鮮な果物がない長い海の航海中によく壊血病にかかっていました。
C2 adjective /ɪnˈɡlɔːriəs/

inglorious

不名誉な
Meaning
Causing shame or disgrace; not bringing honor or glory.
Example
The army suffered an inglorious defeat.
軍隊は不名誉な敗北を喫した。
C2 adjective /ˈɜːrsaɪn/

ursine

クマのような
Meaning
Relating to or resembling a bear.
Example
The man’s ursine strength amazed everyone.
その男のクマのような力は、みんなを驚かせました。
C2 noun /ˈjuːʒəri/

usury

高利貸し
Meaning
The practice of lending money at unreasonably high interest rates.
Example
The law strictly prohibits usury.
法律は高利貸しを厳しく禁止しています。
C2 adjective /əˈstrɪndʒənt/

astringent

厳しい
Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
彼女の厳しい口調は、騒々しいクラスを静めた。
C2 noun /ˌluːkjʊˈbreɪʃən/

lucubration

夜間学習
Meaning
study or meditation, especially at night
Example
His novel was the result of long lucubration.
彼の小説は長い夜間学習の結果でした。
C2 noun /roʊˈtʌn.də/

rotunda

円形の建物
Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
観光客は議会堂の壮大なロタンダの中に集まりました。
C2 noun /ˈfɜːrnəri/

fernery

シダ植物の栽培所、シダを育てる場所
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
庭のファーネリーは珍しい植物でいっぱいだった。
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

認識論
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
認識論は正当な信念と意見との違いを探求します。
C2 noun /ˈdʌblɪt/

doublet

ダブレット / タイトジャケット
Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
俳優はシェイクスピア劇のためにベルベットのダブレットを着ました。
C2 noun /ˈkɒŋ.ɡru.əns/

congruence

整合性
Meaning
Harmony, compatibility and agreement between different elements.
Example
The congruence between their ideas made collaboration easy.
彼らのアイデアの整合性は、協力を容易にしました。
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

人為的
Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
気候変動は主に人為的な活動によるものです。
C2 noun /ˌæriˈviːst/

arriviste

成金
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
ビジネスの世界には野心的な成金が溢れています。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痙攣性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
患者は夜間に痙攣性の咳を経験しました。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段論法
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学者は簡単な例を使って三段論法の概念を説明しました。
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

しつこく頼む
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
彼女は昇給を求めて上司にしつこく頼んだ、彼がとうとう折れたまで。
C2 noun ˈdɒɡ.ɪd.nəs

doggedness

執念
Meaning
Stubborn persistence in achieving something without giving up.
Example
His doggedness in pursuing his goals was inspiring.
目標達成における彼の執念は感動的だった。
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

乱視
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
彼女は乱視を矯正するために眼鏡をかけています。
C2 noun /ˈbrɔːdˌsaɪd/

broadside

激しい攻撃
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家は相手に対して激しい攻撃を仕掛けました。
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

ブリガディア
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
ブリガディアはパレードの前に部隊を視察しました。
C2 verb ˈɪn.kʌl.keɪt

inculcate

教え込む
Meaning
Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.
Example
Parents should inculcate good values in their children.
親は子供たちに良い価値観を教え込むべきだ。
C2 verb /prəˈroʊɡ/

prorogue

議会を延期する
Meaning
to discontinue a session of a parliament or assembly without dissolving it
Example
The president decided to prorogue parliament until the crisis was resolved.
大統領は、危機が解決するまで議会を延期することを決定しました。
C2 adjective /ˈfrɛtfəl/

fretful

不安な
Meaning
Feeling or showing distress or irritation.
Example
The baby was fretful all night and could not sleep.
赤ちゃんは一晩中不安で眠れませんでした。
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

特異性
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
彼女の一つの特異性は、仕事中に口ずさむことでした。
C2 noun /ˈsɛpəlkər/

sepulcher

墓室
Meaning
A small room or monument, cut in rock or built of stone, in which a dead person is buried.
Example
The ancient king was laid to rest in a grand sepulcher.
古代の王は大きな墓室に埋葬されました。
C2 adjective /daɪˈɡrɛsɪv/

digressive

主題から外れる傾向
Meaning
Tending to depart from the main subject in speech or writing.
Example
The speaker's digressive style made the lecture difficult to follow.
話者のダイグレッシブなスタイルは講義を追いかけるのを難しくした。
C2 adjective /ˈek.wə.bəl/

Equable

冷静
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
彼は危機の間、冷静な気質を保ち続けた。
C2 noun /ˈnæfθə/

naphtha

ナフタ
Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
工場は工業用途のためにナフタの樽を保管していました。
C2 adjective /ˌpriːpəˈzɛsɪŋ/

prepossessing

魅力的
Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
彼女は魅力的な笑顔を持っていて、みんなを魅了した。
C2 adjective /roʊn/

roan

ロアン馬
Meaning
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
Example
The rider mounted a roan horse with a speckled coat.
騎手は斑点のあるコートを持ったロアン馬に乗った。
C2 noun /səˈlɪsɪˌtuːd/

solicitude

思いやり, 配慮
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
彼の母親は彼の安全に大きな思いやりを示しました。
C2 noun /ˌlɛdʒərdəˈmeɪn/

legerdemain

手品, 欺瞞
Meaning
skillful use of one's hands when performing tricks; deception or trickery
Example
The magician's legerdemain left the audience amazed.
魔法使いの手品は観客を驚かせた。
C2 noun /ˌdiːnəʊˈteɪʃən/

denotation

指示
Meaning
The literal or primary meaning of a word, in contrast to the feelings or ideas that the word suggests.
Example
The denotation of the word 'rose' is a type of flower.
'ローズ'という単語のデノテーションは花の一種です。
C2 noun /lɒx/

loch

湖
Meaning
a lake or sea inlet, especially in Scotland
Example
Tourists visit Loch Ness to search for the legendary monster.
観光客はロッホ・ネスに行き、伝説の怪物を探します。
C2 noun /ˈjuːfəni/

euphony

ユーフォニー
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演説者のスピーチはユーフォニーとリズムで満ちていた。
C2 noun ˈtræn.zi.əns

transience

一時性
Meaning
The state or fact of lasting only for a short time; impermanence.
Example
The transience of youth makes it more precious.
若さの一時性がそれをより貴重にします。
C2 adjective /ˈslɪpʃɒd/

slipshod

おおざっぱな, いい加減な
Meaning
done in a careless, sloppy, or untidy way
Example
The project failed due to slipshod planning.
計画が雑だったため、プロジェクトは失敗した。
C2 noun, verb /ˈfɪlɪˌbʌstər/

filibuster

議会での活動を長時間の演説で遅らせる戦術; この戦術を使用する
Meaning
a tactic of delaying legislative action by prolonged speech; to use such a tactic
Example
The senator filibustered for hours to prevent the bill from passing.
上院議員は法案を通すのを防ぐために何時間もフィリバスターを行った。
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

正直でオープン
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
ビジネス取引は完全に正直でオープンでした。
C2 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

訂正
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
記事は印刷の準備ができる前にいくつかの訂正が必要でした。
C2 adjective /ˈdɒdərɪŋ/

doddering

震えている / 弱い
Meaning
Weak, shaky, or unsteady, especially due to old age.
Example
The doddering professor struggled to climb the stairs.
ドダリング教授は階段を登るのに苦労していました。
C2 noun /ˈɔːfəl/

offal

内臓
Meaning
the internal organs and entrails of an animal used as food; waste parts
Example
The butcher prepared sausages using pork offal.
肉屋は豚の臓物を使ってソーセージを作った。
C2 verb /ˌæpərˈteɪn/

appertain

関係する
Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
その規則はクラブのメンバーにのみ関係しています。
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

聴診
Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
医者は患者の肺を調べるために聴診を行いました。
C2 adjective /ɑːlˈfæktəri/

olfactory

Meaning
Relating to the sense of smell.
Example
The perfume activated her olfactory nerves immediately.
C2 verb /prɪˈværɪkeɪt/

prevaricate

Meaning
to avoid telling the truth by not giving a direct answer
Example
The politician began to prevaricate when asked about the scandal.
C2 adjective /ˈɪm.pi.əs/

Impious

不敬な; 冒涜的
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
不敬な行為は宗教コミュニティを驚かせました。
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

冷静
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
彼女は面接中に冷静さで皆を感動させた。
C2 adverb /ˌðeərˈwɪð/

Therewith

それと一緒に;
Meaning
together with that; in addition to that
Example
He handed me the contract and the pen therewith.
彼は契約書とペンをそれと一緒に私に渡した。
C2 adjective /rɪˈmjuːnərətɪv/

remunerative

利益がある
Meaning
Financially rewarding or profitable.
Example
He chose a remunerative career in medicine.
彼は医学の中で利益のあるキャリアを選びました。
C2 verb /ˈfɜːrbɪʃ/

furbish

磨く
Meaning
to polish, renovate, or give a fresh look to something
Example
The workers furbished the old sword until it gleamed like new.
作業員たちは古い剣を磨き、それが新しいかのように輝くまでしました。
C2 adjective /ˈwɪznd/

wizened

しわくちゃな
Meaning
Shriveled, wrinkled, or withered, often due to age.
Example
The wizened tree stood in the field for centuries.
そのしわくちゃな木は何世代にもわたって野原に立っていた。
C2 noun /ˈblændɪʃmənt/

blandishment

お世辞
Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
彼女は彼の支持を得るためにあらゆるお世辞を使った。
C2 adjective /ˈlɪəri/

leery

疑わしい
Meaning
Cautious or wary due to suspicion or distrust.
Example
She was leery of investing in the new business.
彼女は新しいビジネスへの投資に疑念を抱いていた。
C2 verb /ˌækwiˈɛs/

acquiesce

黙って従う
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
彼女は両親の願いを黙って従うことに決めました。
C2 verb /ˈvɛdʒɪteɪt/

vegetate

無為に過ごす
Meaning
to live in a dull, inactive, or unchallenging way, often with little physical or mental effort
Example
He spent his vacation vegetating on the couch in front of the TV.
彼はソファでテレビの前に座って、休暇を過ごしました。
C2 adjective /fəˈlɪsɪtəs/

felicitous

適切な、ふさわしい、または楽しい; 幸運や幸福で特徴付けられる
Meaning
well-chosen, appropriate, or pleasing; marked by good fortune or happiness
Example
She made a felicitous remark that lightened the mood.
彼女は気分を軽くする適切なコメントをしました。
C2 adjective /ˈtɜːrdʒɪd/

turgid

膨らんだ, 大げさな
Meaning
Swollen or distended; (of language) pompous and overcomplicated.
Example
The professor’s lecture was so turgid that many students lost interest.
教授の講義はあまりにも大げさすぎて、多くの学生が興味を失いました。
C2 adjective /ˈkɒŋɡruənt/

congruent

合同
Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
彼らの価値観は組織の目標と一致しています。
C2 noun /ˌɛksaɪˈteɪʃən/

excitation

興奮
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
そのニュースはファンの間で大きな興奮を引き起こしました。
C2 adjective /ɪnˈklɛmɛnt/

inclement

悪天候
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
試合は悪天候のためキャンセルされました。
C2 adverb /ˈfɔːrbi/

forby

その上
Meaning
In addition; besides (archaic Scottish/English word).
Example
He is kind and generous, and wise forby.
彼は親切で寛大で、さらに賢いです。
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

対話者
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
彼女は討論中に優れた対話者でした。