duplicitous
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C2 adjective /djuːˈplɪsɪtəs/

duplicitous

裏表のある
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
その政治家は裏表のある発言で批判された。
C2 adjective /ˈprɑːflɪɡət/

profligate

浪費家
Meaning
recklessly extravagant or wasteful in resources
Example
The king was known for his profligate lifestyle.
その王は贅沢なライフスタイルで知られていました。
C2 verb /ˈtɪtəleɪt/

titillate

興奮させる
Meaning
To excite or amuse, especially in a slightly sexual or playful way.
Example
The comedian's jokes titillated the audience.
コメディアンのジョークは観客を興奮させた。
C2 noun /dɪˈpɔːrtmənt/

deportment

行儀
Meaning
A person's behavior or manners, especially in a formal situation.
Example
Her deportment during the ceremony impressed everyone.
儀式中の彼女の行儀は皆を感動させた。
C2 noun /ˈkɒntrətɑː̃/

contretemps

予期しない対立
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会議中、二人の同僚の間で小さな予期しない対立がありました。
C2 noun /ˈpriːsɛpt/

precept

教義
Meaning
A general rule intended to regulate behavior or thought.
Example
Honesty is a fundamental precept in all religions.
正直はすべての宗教における基本的な教義です。
C2 verb /ɪˈniː.bri.eɪt/

inebriate

Meaning
to intoxicate; to make someone drunk
Example
The strong wine was enough to inebriate even the most experienced drinker.
C2 noun ˈfaɪ.təʊˌnjuː.tri.ənt

phytonutrient

フィトニュートリエント
Meaning
Chemical compounds produced by plants that are beneficial to human health but not essential nutrients.
Example
Broccoli is rich in phytonutrients that enhance immunity.
ブロッコリーは免疫力を高めるフィトニュートリエントを豊富に含んでいます。
C2 noun /ˈhæbɪtənt/

habitant

住民
Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
村の住民は親切で歓迎してくれました。
C2 verb /ɪnˈkʌmbər/

encumber

負担をかける
Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
彼女は旅行中に重い荷物に負担を感じていました。
C2 noun /ˌpɜː.spɪˈkæs.ɪ.ti/

perspicacity

鋭い洞察力
Meaning
Sharp insight, keen understanding and discernment.
Example
Her perspicacity in business decisions led to success.
彼女のビジネスの意思決定における洞察力は成功をもたらした。
C2 noun /ˈjɪərlɪŋ/

yearling

1歳の動物、特に馬
Meaning
an animal that is one year old, especially a horse
Example
The farmer sold the yearling at the livestock market.
農夫はそのイヤーリングを家畜市場で売りました。
C2 verb /əˈsɪdɪfaɪ/

acidify

酸性化する
Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
農民たちは、汚染が土壌を酸性にすることを心配しています。
C2 noun /ˈtrɒɡlədaɪt/

troglodyte

洞窟人
Meaning
A person who lives in a cave or is considered old-fashioned and out of touch.
Example
Some called him a troglodyte for refusing to use modern technology.
彼は現代の技術を使うことを拒んだため、洞窟人と呼ばれた。
C2 verb /kəˈdʒoʊl/

cajole

おだてる
Meaning
To persuade someone to do something by flattery or gentle urging.
Example
She managed to cajole her friend into joining the trip.
彼女は友達を旅行に参加させることに成功した。
C2 noun /ˈkælvɪnɪzəm/

calvinism

カルヴァン主義
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
カルヴァン主義はプロテスタント神学の形成に重要な役割を果たした。
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

イギリス英語の単語または特徴
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
'lorry' という言葉はよく知られているブリティシズムです。
C2 noun /ˈdɒɡ roʊz/

Dog-rose

ドッグローズ
Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
ドッグローズの低木は、田舎の道沿いに野生で育ちました。
C2 verb /ɪˈfeɪs/

efface

消す
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
時間は古い墓石に刻まれた文字を消してしまいました。
C2 adjective /ˈlaɪðsəm/

lithesome

しなやかで優雅な
Meaning
gracefully flexible and supple
Example
Her lithesome figure allowed her to move like a ballerina.
彼女のしなやかな姿勢は、バレリーナのように動くことを可能にしました。
C2 noun /əˈkwɪtəns/

acquittance

領収書
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
彼はローンを支払った後で、領収書を要求した。
C2 noun /ˈɡʌl.i/

gully

渓谷、小川
Meaning
A narrow channel or ravine worn away by water.
Example
After the storm, the road was cut by a deep gully.
嵐の後、道路は深い谷によって切り開かれました。
C2 adjective /ˈprɛʃənt/ or /ˈpriːʃənt/

prescient

先見の明がある
Meaning
having or showing knowledge of events before they take place
Example
The prescient investor sold his shares just before the market crashed.
先見の明がある投資家は市場が崩壊する前に株を売却しました。
C2 noun /mæŋˈɡoʊ.li.ə/

Mangolia

マグノリア
Meaning
a type of flowering tree with large, fragrant pink or white flowers
Example
The beautiful magnolia tree bloomed in spring with pink flowers.
美しいマグノリアの木は春にピンクの花で咲きました。
C2 noun /rɪˈpæst/

repast

食事
Meaning
A meal or the food eaten during a meal.
Example
They enjoyed a delicious repast by the riverside.
彼らは川辺で美味しい食事を楽しんだ。
C2 noun /dɪˈbɛntʃər/

debenture

社債
Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
その会社は投資家に社債を発行して資本を調達した。
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

非難の
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
彼は彼女に非難の目を向けた。
C2 verb /ˈbleɪzən/

blazon

表示する
Meaning
to display prominently or vividly
Example
The slogan was blazoned across the banner in bold letters.
スローガンは太字でバナーに表示されました。
C2 verb /juˈzɜrp/

usurp

奪取
Meaning
to take someone's position of power illegally or by force
Example
The general tried to usurp the king's throne.
将軍は王の玉座を奪おうとした。
C2 noun /ˈrɛdʒɪsaɪd/

regicide

王殺し
Meaning
the act of killing a king
Example
The conspirators were executed for committing regicide.
陰謀者たちは王殺しを犯したため、処刑されました。
C2 adjective /kənˈkɒmɪtənt/

concomitant

随伴
Meaning
Naturally accompanying or associated with something.
Example
Increased stress is often concomitant with long working hours.
増加したストレスは長時間の労働時間としばしば伴います。
C2 adjective /ˈɡlʌt.ən.əs/

gluttonous

大食い
Meaning
Excessively greedy in eating or consuming.
Example
His gluttonous appetite shocked everyone at the dinner table.
彼の大食いの食欲は、ディナーテーブルで皆を驚かせた。
C2 adjective /ˈtɪd.li/

Tiddley

軽く酔った; 小さいまたは微小
Meaning
slightly drunk; small or tiny
Example
After a few drinks, he felt a bit tiddley.
いくつかの飲み物を飲んだ後、彼は少しtiddliに感じた。
C2 adjective /dɪˈkrɛpɪt/

decrepit

老朽
Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
その老朽化した家は崩壊寸前でした。
C2 verb /əbˈhɔːr/

abhor

嫌悪する
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
彼女は動物への残酷さを嫌悪しています。
C2 noun /ˈtaɪroʊ/

tyro

初心者
Meaning
A beginner or novice in a field or activity.
Example
As a tyro in programming, she needed constant guidance.
プログラミングの初心者として、彼女は常に指導を必要としていた。
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

社交術
Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
彼女は見事な社交術で微妙な状況をうまく処理しました。
C2 noun /oʊˈtɜːr/

hauteur

傲慢
Meaning
disdainful pride; arrogance
Example
His hauteur made it difficult for others to approach him.
彼の傲慢は他の人々が近づくのを難しくさせた。
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

暗示
Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
マネージャーの暗示は競争相手に向けられていました。
C2 noun ˈfaɪ.təʊˌnjuː.tri.ənts

phytonutrients

ファイトニュートリエント
Meaning
Bioactive compounds found in plants that have health benefits beyond basic nutrition.
Example
Green tea contains powerful phytonutrients.
緑茶には強力なファイトニュートリエントが含まれています。
C2 noun /lɪnt/

lint

繊維くず
Meaning
small soft fibers that come off cloth, often found in dryers or on clothes
Example
There was lint all over his black shirt after the wash.
洗濯後、彼の黒いシャツに繊維くずがついていました。
C2 noun /ˈkælvəri/

calvary

Meaning
A place or experience of intense suffering, originally the site of Jesus’s crucifixion.
Example
For many refugees, the journey across the desert was a calvary.
C2 noun /əˈdɛpt.nəs/

adeptness

熟練と巧妙さ
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
交渉における彼の熟練さは、契約を成功裡に締結するのに役立った。
C2 noun /krəˈnɒmɪtər/

chronometer

クロノメーター
Meaning
An instrument for measuring time precisely, especially used in navigation.
Example
The sailor relied on the chronometer to determine his position at sea.
船乗りは海上で自分の位置を決めるためにクロノメーターに頼りました。
C2 adjective əˈdrɔɪt

adroit

器用な, 巧妙な, うまい
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
彼女は複雑な問題を解決するのが得意です。
C2 noun /kəˈraʊzl/

carousal

騒々しいパーティー
Meaning
A noisy or lively drinking party or festivity.
Example
They were exhausted after a night of wild carousal.
彼らは一晩のワイルドな騒々しいパーティーの後、疲れ切っていた。
C2 verb /ɪɡˈzɪləreɪt/

exhilarate

興奮させる
Meaning
To make someone feel very happy, animated, or excited.
Example
The mountain view exhilarated the travelers.
山の景色は旅行者を興奮させました。
C2 noun /ˈskʌl.i.ən/

scullion

台所の使用人
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
中世の時代、スカリオンは鍋やフライパンを掃除する責任がありました。
C2 verb /bɪˈfʌdəl/

befuddle

混乱させる
Meaning
to confuse someone completely; to make someone unable to think clearly
Example
The complex instructions befuddled the students.
複雑な指示が学生たちを混乱させました。
C2 noun /ˈdiːɪst/

deist

デイスト
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
その哲学者は自分をデイストとして認識した。
C2 adjective /ˈkoʊməˌtoʊs/

comatose

昏睡状態の
Meaning
In a state of deep unconsciousness, resembling or related to coma.
Example
The comatose patient was kept under constant observation.
その昏睡状態の患者は、継続的に観察されていました。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

空気中の水分を吸収して液体になる
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
塩は湿度の高い部屋に置かれた後、液体に変わり始めました。
C2 noun /ˈkæt.kɪn/

Catkin

ネコヤナギ
Meaning
a drooping, often tasseled cluster of small flowers found on willow and birch trees
Example
The willow tree's catkins swayed gently in the spring breeze.
柳の木のネコヤナギが春の風に揺れていた。
C2 verb /pɜːrl/

purl

ささやくような音で流れる
Meaning
To knit with a purl stitch; to flow with a murmuring sound (as a stream).
Example
The brook purled softly through the meadow.
小川は草地を静かに流れた。
C2 noun /ˈθɝː.moʊ.klaɪn/

thermocline

サーモクライン
Meaning
A layer in a body of water in which temperature changes rapidly with depth.
Example
The thermocline separates warm surface water from cold deep water.
サーモクラインは、暖かい表面水と冷たい深層水を分けます。
C2 adjective /ˈɡʌstəˌtɔːri/

gustatory

味覚の
Meaning
relating to the sense of taste
Example
The restaurant offered a gustatory experience unlike any other.
レストランは他に類を見ない味覚体験を提供しました。
C2 noun /ˌdʒiː.niˈæl.ə.ti/

geniality

親しみやすさ
Meaning
the quality of being friendly and cheerful
Example
His geniality made him popular among his colleagues.
彼の親しみやすさは、同僚の間で彼を人気者にした。
C2 verb /slʌf/ or /sluː/

slough

皮を捨てる / 湿地
Meaning
To shed or cast off (like dead skin); also a swampy or muddy area.
Example
The snake sloughed off its old skin.
ヘビは古い皮を捨てた。
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

ワシの巣
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
鷲は崖の上にあるその巣の近くに誇らしげに止まった。
C2 adjective /ˌpjuːsɪˈlænɪməs/

pusillanimous

臆病な
Meaning
showing a lack of courage or determination; timid
Example
The pusillanimous leader avoided making tough decisions.
臆病なリーダーは難しい決断を避けていた。
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

無思慮な
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
彼がそんな失礼なコメントをするのは無思慮なことでした。
C2 noun /məˈlɪŋɡərər/

malingerer

病気を装う人
Meaning
a person who pretends to be sick to avoid duty or work
Example
The manager suspected that John was a malingerer.
マネージャーはジョンがマリンガラーだと疑っていた。
C2 adjective /ˈfʌndʒəbl/

fungible

代替可能な
Meaning
interchangeable; able to replace or be replaced by another identical item
Example
In finance, money is considered a fungible asset.
金融業界では、貨幣は代替可能な資産と見なされています。
C2 adjective /ˈkæp.ʃəs/

Captious

細かいことにこだわる; 批判的
Meaning
tending to find fault or raise petty objections; fault-finding; critical
Example
His captious remarks about every small detail made the meeting very unpleasant.
彼の細かいことにこだわるコメントは、会議をとても不快なものにしました。
C2 verb /bɪˈsmɜːrtʃ/

besmirch

汚す
Meaning
to damage someone's reputation; to make dirty or stained
Example
He tried to besmirch her good name with false rumors.
彼は虚偽の噂で彼女の良い名前を汚そうとした。
C2 noun /ˈvaɪsrɔɪ/

viceroy

副王
Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
バイセロイは王の名のもとに植民地を統治しました。
C2 noun /sɪˈnɛrəsɪs/

syneresis

シネレシス
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
ヨーグルトは液体が上に分離するとシネレシスを示しました。
C2 verb /ˈɪndjʊˌreɪt/

indurate

硬化する
Meaning
To harden or make something physically or emotionally tough.
Example
Years of hardship indurated his spirit.
長年の困難が彼の精神を鍛えました。
C2 noun /kɪln/

kiln

窯
Meaning
a furnace or oven for burning, baking, or drying, especially one for firing pottery or bricks
Example
The potter placed the clay pots into the kiln for firing.
陶芸家は粘土の壺を窯で焼くために置きました。
C2 adjective /ˈsʌb.æs.ɪd/

subacid

やや酸っぱい
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
その果物はやや酸っぱい味がして、暑い日にさっぱりとした味わいだった。
C2 noun /ˈsɪbɪləns/

sibilance

シューシュー音
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
詩人は詩の中で柔らかいシューシュー音を作り出すためにシビランスを使いました。
C2 noun /pɪks/

pyx

聖体を入れるための小さな容器
Meaning
a small container, often used in Christian liturgy to carry the consecrated host
Example
The priest placed the consecrated host into the pyx before visiting the sick.
司祭は病人を訪れる前に聖体をピクスに入れました。
C2 adjective /ɪˈkwɪvəkəl/

equivocal

曖昧
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
彼の曖昧な答えは皆を混乱させた。
C2 adjective /ˈwɪzn feɪst/

wizen-faced

乾燥ししわだらけの顔
Meaning
Having a dry, wrinkled, and withered face.
Example
A wizen-faced old man sat quietly in the corner.
乾燥ししわだらけの顔をした老人が静かに隅に座っていた。
C2 noun /ˈlɪtɪɡənt/

litigant

訴訟当事者
Meaning
a person involved in a lawsuit
Example
The court summoned both litigants for the hearing.
裁判所は両方の訴訟当事者を公聴会に召喚した。
C2 adjective /ˌɒbsəˈlɛsnt/

obsolescent

時代遅れの
Meaning
Becoming outdated or on the way to becoming obsolete.
Example
The obsolescent technology could not compete with modern devices.
時代遅れの技術は現代のデバイスには競争できなかった。
C2 noun /ˈflæt.ər.ər/

Flatterer

お世辞を言う人
Meaning
a person who lavishes praise, often insincerely and in order to gain advantage
Example
The king was surrounded by flatterers who only told him what he wanted to hear.
王様はお世辞を言う人たちに囲まれて、彼が聞きたいことだけを言ってもらった。
C2 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

秘密の
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
彼女は彼のノートをひそかに覗き見た。
C2 adjective /ˈflʌməksd/

flummoxed

困惑した
Meaning
Completely confused or bewildered.
Example
He looked flummoxed after hearing the strange question.
彼はその奇妙な質問を聞いた後、困惑しているように見えた。
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 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

選択的
Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
文法では、'または' は選択的接続詞です。
C2 adjective /əbˈsiːkwɪəs/

obsequious

お世辞
Meaning
Excessively obedient or attentive in a servile way.
Example
The waiter gave an obsequious bow to every customer.
ウェイターは各顧客にお世辞のようなお辞儀をしました。
C2 noun /ˈdaɪətraɪb/

diatribe

激しい非難
Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
政治家は自分の対戦相手に対して激しい非難を始めた。
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 /ˌmɛrəˈtrɪʃəs/

meretricious

虚偽的
Meaning
apparently attractive but having no real value or integrity.
Example
The design was flashy but meretricious.
デザインは華やかだったが、虚偽的だった。
C2 adjective /ˈkɒr.ə.ɡeɪ.tɪd/

corrugated

波形または折りたたまれた
Meaning
shaped into ridges and grooves; wrinkled or folded
Example
The roof was made of corrugated metal sheets.
屋根は波形の金属板で作られていました。
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
C2 adjective /ˈbɪloʊɪŋ/

billowing

波打つ
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
彼女は波打つカーテンを通り抜けた。
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 /dɪsˈbɜːrs/

disburse

分配する
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
その団体は影響を受けた家族に資金を分配します。
C2 noun /lɪˈbrɛtoʊ/

libretto

オペラの台本
Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
彼女はオペラの公演に行く前にリブレットを勉強しました。
C2 verb /ɪˈfeɪsɪŋ/

effacing

消す / 自分を目立たなくする
Meaning
erasing or making oneself inconspicuous; to remove or diminish in significance
Example
She kept effacing herself during the meeting so that others could shine.
会議中に他の人が輝けるように、自分自身を消し続けました。
C2 noun /ˈbiːtənd raɪs/

Beatened rice

ビート米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
ビート米は通常、朝食で牛乳と砂糖と一緒に食べられます。
C2 verb /trəˈdjuːs/

traduce

中傷する
Meaning
To speak badly of someone or tell lies to damage their reputation.
Example
He was furious when he found out that his rivals had traduced him.
彼は自分のライバルが彼を中傷したことを知って怒っていた。
C2 verb /dɪˈbɪlɪteɪt/

debilitate

弱める
Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
長い病気が彼の力を弱めた。
C2 noun /kəˈnɑːrd/

canard

Meaning
a false or unfounded story or rumor
Example
The article turned out to be nothing more than a canard.
C2 noun /ˈskæb.ərd/

scabbard

鞘
Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
騎士は鞘から剣を抜きました。
C2 noun/verb /ɡraʊtʃ/

grouch

不機嫌な人
Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
彼は朝、コーヒーの前にいつもグラウチだ。
C2 noun /rɪˈfrækʃən/

refraction

屈折
Meaning
The bending of light, sound, or other waves when they pass from one medium to another of different density.
Example
The refraction of light in water makes objects appear bent.
水中の光の屈折により、物体が曲がって見えます。
C2 noun /ˈmɛtəfɔːrm/

metaphorm

隠喩の形
Meaning
A coined or rare term sometimes used to describe a hybrid form of metaphor and form in literature or art.
Example
The poet introduced a metaphorm to blend imagery with structure.
詩人はイメージと構造を結びつけるためにメタフォームを導入しました。
C2 adjective /ˈmɪn.ɪ.skjuːl/

miniscule

微小
Meaning
Extremely small or tiny.
Example
The error was so miniscule that nobody noticed it.
その誤りは非常に微小で、誰もそれに気づかなかった。
C2 noun /ˈluː.nə.si/

lunacy

狂気
Meaning
Extreme foolishness or madness; insanity.
Example
It was sheer lunacy to go hiking in the storm.
嵐の中でハイキングに行くのは完全に狂気でした。
C2 noun /ˈsɜːfdəm/

serfdom

農奴制
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
中世ヨーロッパの多くの農民は農奴制の下で生活していた。
C2 noun /ˈhɒthɛd/

hothead

短気な人
Meaning
a person who acts quickly and without thinking when angry
Example
He is such a hothead that he often starts arguments.
彼は短気な人で、よく議論を始める。
C2 adverb /ɪnˈdjuːbɪtəbli/

indubitably

疑いなく
Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
彼女は疑いなくその仕事の最良の候補者です。
C2 adjective /ʌnˈtræməld/

untrammeled

制限のない自由
Meaning
Not restricted or hampered; free and unrestricted.
Example
She enjoyed untrammeled freedom in her new life abroad.
彼女は海外での新しい生活で制限のない自由を楽しんでいた。
C2 verb /ˈpɛkjʊˌleɪt/

peculate

横領する
Meaning
To embezzle or steal money, especially public funds.
Example
The corrupt official was found guilty of peculating government funds.
汚職の役人は政府の資金を横領したとして有罪となった。
C2 noun /ˈmæntl̩/

mantel

暖炉の上の棚
Meaning
A shelf above a fireplace, often used for decoration.
Example
She placed family photos on the mantel above the fireplace.
彼女は家族の写真を暖炉の上の棚に置きました。
C2 adjective /ˈdaʊti/

doughty

勇敢な
Meaning
brave, valiant, courageous
Example
The doughty soldier never backed down from a challenge.
勇敢な兵士は挑戦から決して後退しなかった。
C2 verb /ˈtɛmpəˌraɪz/

temporize

先延ばしにする
Meaning
To delay making a decision or taking action in order to gain time.
Example
The politician temporized when asked about the controversial issue.
政治家はその論争の的になっている問題について質問されると、先延ばしにした。
C2 noun /æmˈbroʊʒə/

ambrosia

神の食べ物
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
デザートはあまりにも美味しくて、アンブロージアのような味がしました。
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

水中
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
ダイバーたちは珍しい魚でいっぱいの水中洞窟システムを探査しました。
C2 adjective /ˌɪnɔːˈspɪʃəs/

Inauspicious

不吉
Meaning
unlucky; showing signs that future success is unlikely; unfavorable
Example
The dark clouds seemed inauspicious for the wedding.
暗い雲は結婚式にとって不吉に思えた。
C2 adjective /dʒoʊˈkoʊs/

jocose

冗談めかした
Meaning
playful or humorous in speech or behavior
Example
The professor’s jocose remarks kept the class entertained.
教授の冗談めかした発言がクラスを楽しませました。
C2 noun /ˌfɑːrməkəˈpiːə/

pharmacopoeia

薬典
Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
医師は薬典を参照して、薬の適切な用量を確認しました。
C2 noun /ˌhaɪdroʊˈfoʊbiə/

hydrophobia

水恐怖症
Meaning
Extreme or irrational fear of water; historically, another name for rabies.
Example
After being bitten by a stray dog, the man was treated for hydrophobia.
野良犬に噛まれた後、その男は水恐怖症の治療を受けました。
C2 noun /ˌrep.ɑːˈtiː/

Repartee

機知に富んだ返答
Meaning
conversation or speech characterized by quick, witty comments or replies
Example
The dinner party was filled with brilliant repartee between the guests.
ディナーでは、ゲスト間で素晴らしい機知に富んだ返答が交わされていました。
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

前もって決める
Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
彼らは自分たちの出会いが運命によって前もって決められていると信じていた。
C2 noun /ˌɡrɛnəˈdɪə/

grenadier

グレネディア
Meaning
A soldier who specialized in throwing grenades; later used to describe an elite infantryman.
Example
The grenadier stood proudly at the front of the regiment.
そのグレネディアは部隊の前で誇らしげに立っていた。
C2 noun /ˈpɛdənt/

pedant

細かいことにこだわる人
Meaning
A person who is excessively concerned with minor details or rules, often in a showy way.
Example
The professor was criticized as a pedant who focused too much on trivial details.
その教授は細かいことにこだわりすぎるペダントとして批判された。
C2 noun /əbˈstrʌkʃənɪst/

obstructionist

Meaning
a person who deliberately delays or prevents progress by being uncooperative or oppositional
Example
The obstructionist in the committee kept delaying the decision-making process.