sang-froid
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C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

冷静
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
リーダーは危機を見事な冷静さで対処しました。
C2 adjective /ˈdʒɒkjələr/

jocular

冗談好きな
Meaning
fond of or characterized by joking; humorous
Example
His jocular nature made him popular among colleagues.
彼の冗談好きな性格は同僚の中で人気があった。
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 /kwɪkˈsɑː.t̬ɪk/

quixotic

非常に理想主義的で非現実的な、非実用的な
Meaning
Extremely idealistic, unrealistic, and impractical.
Example
His quixotic dreams often led to disappointment.
彼の非現実的な夢はしばしば失望につながった。
C2 noun /meɪs/

mace

メイス / 王杖
Meaning
a ceremonial staff carried as a symbol of authority or a weapon similar to a club
Example
The guard carried a mace as a symbol of authority.
ガードは権威の象徴としてメイスを持っていた。
C2 noun /fɔːn/

faun

ファウノ (神話の生き物)
Meaning
a mythological creature that is half human and half goat
Example
The sculpture depicted a playful faun dancing in the forest.
彫刻は、森の中で踊っている遊び心のあるファウンを描いていました。
C2 adjective /vɪˈtjuːpərətɪv/

vituperative

悪口な
Meaning
Characterized by abusive or harsh language.
Example
The teacher’s vituperative remarks left the students in tears.
教師の悪口な言葉が学生たちを涙で満たしました。
C2 adjective /ˈvækjuəs/

vacuous

空虚
Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
彼女は真剣な議論の中で空虚な笑顔を見せた。
C2 noun /kəmˈpɛndiəm/

compendium

コンペンディウム
Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
その本は古代の神話と伝説のコンペンディウムです。
C2 noun /ˌbæstərdaɪˈzeɪʃən/

bastardization

歪曲 / 堕落
Meaning
the act of corrupting, degrading, or misrepresenting something
Example
Critics called the remake a bastardization of the original film.
批評家たちはリメイクをオリジナル映画の歪曲だと言った。
C2 noun /ˈkrɪptəɡræm/

cryptogram

暗号文
Meaning
a text written in code or cipher
Example
The detective solved the cryptogram hidden in the letter.
探偵は手紙に隠された暗号文を解読しました。
C2 noun /ˈmædrɪɡəl/

madrigal

Meaning
A short, lyrical poem set to music, typically from the Renaissance period.
Example
The choir performed a beautiful madrigal from the 16th century.
C2 noun, verb /ˈpɑːrli/

parley

交渉
Meaning
a discussion between opposing sides, especially to negotiate terms
Example
The generals met to parley over the terms of surrender.
将軍たちは降伏条件について話し合うために会った。
C2 noun /səbˈmɜːrʒən/

submersion

沈没
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
激しい雨の後、畑の沈没は数日間続いた。
C2 verb /kəˈmɪŋɡəl/

commingle

混ぜる
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
チャリティは寄付金を運営資金と混ぜません。
C2 noun /fɪˈlɒl.ə.dʒi/

philology

書かれた歴史的な資料における言語の研究; 言語学
Meaning
the study of language in written historical sources; linguistics
Example
She devoted her career to philology, researching ancient manuscripts.
彼女はフィロロジーに自分のキャリアを捧げ、古代の写本を研究していました。
C2 adjective /ˈhiːðənɪʃ/

heathenish

野蛮
Meaning
Lacking culture or religion; barbaric or uncivilized.
Example
They considered the ancient tribe’s rituals heathenish.
彼らは古代部族の儀式を未開だと考えた。
C2 verb /ˌkaʊntərˈmænd/

countermand

命令を取り消す
Meaning
to revoke or cancel an order or command
Example
The general countermanded the previous orders immediately.
将軍は前の命令を直ちに取り消しました。
C2 adjective /ˈfæn.sɪ.ləs/

fanciless

想像力のない、普通の
Meaning
without imagination or creativity; plain or ordinary
Example
His drawings were simple and fanciless.
彼の絵はシンプルで想像力がなかった。
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可約
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 は不可約です。
C2 noun /ˈpɛd.ən.tri/

pedantry

細かい詳細やルールへの過度なこだわり
Meaning
Excessive concern with minor details or rules.
Example
His pedantry made the meeting unnecessarily long.
彼のペダントリーは会議を不必要に長くした。
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

破壊
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
裁判所は証拠の破壊のために会社を罰しました。
C2 adjective /ˈsmɑːrmi/

smarmy

お世辞 / 偽の礼儀
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
販売員は偽りのように感じるお世辞のような売り込みをしました。
C2 adjective /vɛˈstɪdʒiəl/

vestigial

遺物の
Meaning
Relating to a small, undeveloped remnant of something that was once much larger or more functional.
Example
Humans have a vestigial tailbone that no longer serves its original purpose.
人間にはもはや元の機能を果たさない遺物の尾骨があります。
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
C2 adjective /ˈfæsaɪl/

Facile

簡単な; 浅薄な; 深みのない
Meaning
easily achieved; superficial; lacking depth
Example
His facile explanation didn't address the real problem.
彼の簡単な説明は実際の問題に対処しませんでした。
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

抗議
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
不公平なルールに対する彼の抗議は無視されました。
C2 noun /ˈθrɛnədi/

threnody

哀歌、追悼歌
Meaning
A song, poem, or speech of mourning for someone who has died; a lament.
Example
The poet composed a moving threnody for the fallen soldiers.
詩人は戦死した兵士たちのために感動的な追悼歌を作った。
C2 adjective /juːˈdʒɛnɪk/

eugenic

優生学的
Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
20世紀初頭、一部の科学者は優生学的な政策を支持した。
C2 noun /ˌkɒntrəpəˈzɪʃən/

contraposition

対比配置
Meaning
the act of placing two things in opposition for contrast or comparison
Example
The contraposition of the two theories highlighted their differences.
二つの理論の対比配置は、彼らの違いを強調した。
C2 noun /ˈfaɪər.brænd/

firebrand

活動家
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
その活動家は本物の火のような情熱を持ち、周りの全員を抗議に参加させた。
C2 verb /rɪˈkænt/

recant

撤回する
Meaning
to withdraw or renounce a statement or belief formally
Example
He recanted his previous statement in court.
彼は裁判で以前の発言を撤回しました。
C2 noun /ˈjuːər/

ewer

水差し
Meaning
a large jug with a wide mouth, especially used in the past for carrying water
Example
The servant filled the ewer with fresh water.
使用人は水差しに新鮮な水を注ぎました。
C2 noun /ɪnˈsaɪzər/

incisor

切歯
Meaning
a narrow-edged tooth at the front of the mouth, adapted for cutting
Example
The dentist noted that his upper left incisor was chipped.
歯科医は彼の上の左側の切歯が欠けていることに気づきました。
C2 adjective /ˈleɪ.baɪl/ or /ˈlæb.aɪl/

labile

不安定な
Meaning
easily altered or unstable; prone to change
Example
Her mood was so labile that it changed several times in an hour.
彼女の気分は非常に不安定で、1時間で何度も変わりました。
C2 adjective /ˈnjuːmɪnəs/

numinous

神秘的
Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
その寺院は畏敬の念を抱かせる神秘的な雰囲気を持っていました。
C2 adjective ˌlæb.əˈrɪn.θaɪn

labyrinthine

迷路のような
Meaning
Like a labyrinth; complicated and confusing; having many interconnected paths or passages.
Example
The old city streets were labyrinthine.
古い街の通りは迷路のようだった。
C2 verb /ˈwɔːbəl/

warble

震える声で歌うまたはトリルで口笛を吹く
Meaning
To sing or whistle with a quavering voice or with trills.
Example
The bird warbled a sweet tune in the morning.
その鳥は朝に甘いメロディを歌った。
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
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 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

魚類学者
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
魚類学者は川で新しい魚の種を発見しました。
C2 adjective /əˈsɜːrbɪk/

acerbic

辛辣
Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
彼の辛辣なコメントは会議で多くの人々を侮辱しました。
C2 noun /ˈɑːbəlɪsk/

obelisk

オベリスク
Meaning
A tall, four-sided, narrow tapering monument with a pyramid-shaped top.
Example
The ancient Egyptians built obelisks to honor their gods.
古代エジプト人は神々を讃えるためにオベリスクを建てました。
C2 adjective /ˈfiːbraɪl/

febrile

発熱の、興奮した
Meaning
having or showing the symptoms of a fever; or highly excitable or agitated
Example
The patient was in a febrile state with high temperature.
患者は高い温度の熱の状態にありました。
C2 verb /ˈdʒɜːrnəlaɪz/

journalize

日記に記録する
Meaning
to record daily transactions or events in a journal, especially in accounting
Example
The accountant will journalize all financial transactions at the end of the day.
会計士は一日の終わりにすべての財務取引をジャーナライズします。
C2 noun /ˈɔːldərmən/

alderman

市議会議員
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
オールダーマンはコミュニティパークの新しい計画を提案しました。
C2 noun /ˈsætər/

satyr

幸せ
Meaning
a creature from Greek mythology depicted as a lustful being, often half-man and half-goat; by extension, a lecherous man
Example
In the museum mural, a satyr plays the panpipes while dancing in the woods.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
C2 adjective /ˈbɪbjələs/

bibulous

酒好き
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
彼の酒好きな習慣は家族を心配させた。
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

凝集する
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
埃の粒子がより大きな塊に集まり始めました。
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

計算通信
Meaning
Digital exchange and automated interaction; the use of computational methods and systems to facilitate communication and information sharing.
Example
Computational communication is reshaping how we share information.
計算通信は私たちが情報を共有する方法を再構築しています。
C2 noun /ˈʃɑːrlətən/

charlatan

ペテン師
Meaning
a person who pretends to have knowledge or skills that they do not really possess; a fraud
Example
The so-called healer was exposed as a charlatan.
その自称治療師はペテン師として暴露された。
C2 noun /djuːˈplɪsɪti/

duplicity

二重性
Meaning
Deceitfulness or double-dealing; dishonesty.
Example
Her duplicity was revealed during the investigation.
調査中に彼女の二重性が明らかになった。
C2 adjective /ˈwæɡ.ɪʃ/

waggish

いたずら好きな、遊び心のある
Meaning
playfully humorous or mischievous
Example
His waggish remarks made everyone laugh.
彼のいたずらなコメントはみんなを笑わせた。
C2 noun, verb /ˈtræməl/

trammel

制限
Meaning
A restriction or impediment to freedom of action; to restrict.
Example
The strict rules trammel the creativity of the students.
厳格な規則は学生の創造性を制限しています。
C2 adjective /ˈhoʊm.spʌn/

homespun

手作り
Meaning
Simple and unsophisticated; made at home rather than in a factory.
Example
She wore a homespun dress to the village festival.
彼女は村の祭りに手作りのドレスを着て行った。
C2 noun /ˈræɡəmʌfɪn/

ragamuffin

ぼろぼろの子供
Meaning
A person, typically a child, in ragged, dirty clothes.
Example
The little ragamuffin begged for food on the street.
小さなぼろぼろの子供が通りで食べ物を求めていた。
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 adjective /daɪˈvɜːrtɪbəl/

divertible

転用可能な
Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
予算からの資金は合法的に転用できません。
C2 noun /ˈpraɪəri/

priory

修道院
Meaning
a small monastery or convent governed by a prior or prioress
Example
The old priory was converted into a museum.
古い修道院は博物館に改装されました。
C2 adjective /ˈæk.rɪd/

Acrid

辛くて不快な
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
火事の辛くて不快な煙がみんなを咳き込ませた。
C2 noun /səˈvɑːnt/

savant

Meaning
a learned person, especially a distinguished scientist or scholar; sometimes used in the phrase ‘savant syndrome’ for someone with exceptional abilities alongside developmental differences
Example
The conference keynote was delivered by a linguistic savant who studies endangered languages.
C2 noun /ˈɡæli/

galley

船の厨房
Meaning
A low, flat ship used in ancient times, often with sails and oars; also, a kitchen on a ship or aircraft.
Example
The galley was filled with the smell of freshly cooked food.
船の厨房は新鮮に調理された食べ物の匂いで満ちていた。
C2 noun /ˈmɛtrəˌnoʊm/

metronome

メトロノーム
Meaning
A device that produces regular ticks or beats to help musicians maintain tempo.
Example
She practiced the piano with a metronome to keep steady timing.
彼女は安定したタイミングを保つためにメトロノームを使ってピアノを練習していた。
C2 noun /trʌs/

truss

Meaning
a framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure
Example
The engineer designed a strong truss for the new bridge.
C2 adjective /ˈvɛdʒɪtəl/

vegetal

植物性の
Meaning
relating to or consisting of plants or vegetation
Example
The soup had a distinct vegetal flavor.
スープには独特の植物性の味がありました。
C2 verb /əˈkluːd/

occlude

閉塞する
Meaning
To block or close up an opening or passage.
Example
The pipe was occluded by mineral deposits.
パイプは鉱物の堆積物で閉塞されていました。
C2 adjective /ˈæbdʒɛkt/

abject

卑劣
Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
彼らは卑劣な貧困の中で生きていました。
C2 noun /dɪˈtraɪtəs/

detritus

デトリタス
Meaning
Waste or debris of any kind; fragments left from destruction or decay.
Example
The riverbank was covered with detritus after the flood.
洪水後、川岸はデトリタスで覆われていました。
C2 noun /luːn/

lune

三日月
Meaning
A crescent-shaped figure formed by two intersecting arcs; also means 'moon' in French.
Example
The mathematician studied the properties of the lune.
数学者は三日月の特性を研究しました。
C2 noun /ˈheɪ.deɪ/

Hey day

絶頂期; 黄金時代; ピーク時
Meaning
the period of a person's or thing's greatest success, popularity, or vigor; prime time
Example
During her heyday as a singer, she performed in sold-out concerts around the world.
歌手としての絶頂期に、彼女は世界中で完売したコンサートに出演していました。
C2 verb /ˈhʊdwɪŋk/

hoodwink

だます
Meaning
To deceive or trick someone.
Example
The scammer hoodwinked many people with false promises.
詐欺師は嘘の約束で多くの人々をだました。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自慢話をする人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
パーティーでみんなはその自慢話をする人を避けた。なぜなら、彼は自慢を止めなかったから。
C2 noun /ˌpɛntəˈhiːdrən/

pentahedron

ペンタヘドロン
Meaning
A solid geometric figure with five faces.
Example
In geometry class, the teacher explained the structure of a pentahedron.
幾何学の授業で、先生はペンタヘドロンの構造を説明しました。
C2 noun /naɪˈdʒel.ə/

Nigella

ブラッククミン
Meaning
small black seeds with a nutty, slightly bitter flavor, also known as black cumin or black seed
Example
Sprinkle nigella seeds on top of the bread before baking.
パンの上にブラッククミンの種を振りかけてから焼きます。
C2 adjective /krəˈmætɪk/

chromatic

色彩の
Meaning
Relating to colors or, in music, notes outside the standard scale.
Example
The artist used a chromatic palette to create vibrant contrasts.
アーティストは、鮮やかなコントラストを作り出すためにクロマチックなパレットを使用しました。
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 adjective /ɡrænˈdɪləkwənt/

grandiloquent

誇張な言語
Meaning
Using lofty, pompous, or extravagant language to impress others.
Example
The politician’s grandiloquent speech failed to connect with ordinary people.
その政治家の誇張された演説は一般の人々とつながることができなかった。
C2 verb /aɪˈdɒləˌtraɪz/

idolatrize

偶像崇拝
Meaning
To worship idols; to regard with excessive devotion or admiration.
Example
They began to idolatrize the statue as a deity.
彼らはその像を神として崇拝し始めました。
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
C2 verb /ˈlæs.ə.reɪt/

lacerate

裂ける、引き裂く
Meaning
to tear or cut deeply in the skin or flesh
Example
The broken glass lacerated his hand.
壊れたガラスが彼の手を切った。
C2 verb /ʌnˈɑːrm/

unarm

武装解除する
Meaning
to remove weapons from someone or to deprive of means of attack or defense
Example
The soldiers were ordered to unarm the prisoners.
兵士たちは囚人の武装を解除するよう命じられた。
C2 noun /ˈjoʊkəl/

yokel

田舎者
Meaning
An uneducated and unsophisticated person from the countryside; a bumpkin.
Example
The city folks laughed at the yokel's simple ways.
都会の人々は田舎者の簡単な方法を笑った。
C2 adjective /ɡɑːrˈɡæntʃuən/

gargantuan

巨大な
Meaning
Extremely large; enormous.
Example
They served a gargantuan meal at the feast.
彼らは宴会で巨大な食事を提供しました。
C2 noun /lɪˈnoʊ.li.əm/

linoleum

リノリウム
Meaning
a durable, washable floor covering made from solidified linseed oil, wood flour, or cork dust on a canvas backing
Example
They decided to cover the kitchen floor with linoleum.
彼らはキッチンの床をリノリウムで覆うことに決めました。
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

偶然の
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
彼らの出会いは完全に偶然でした。
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

陽イオン交換
Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
土壌の陽イオン交換容量は植物の成長に影響を与える。
C2 noun /ˌpætrəˈnɪmɪk/

patronymic

父系姓
Meaning
a name derived from the name of a father or ancestor
Example
In many cultures, surnames are patronymic in origin.
多くの文化では、姓は父系姓に由来します。
C2 adjective /ˈlɪɡ.ni.əs/

ligneous

木質の
Meaning
having the texture or appearance of wood; woody
Example
The ligneous stem supported the heavy flowers.
木質の茎が重い花を支えました。
C2 noun /blæk biː/

Black-bee

黒蜂
Meaning
a large dark-colored bee that makes a loud buzzing sound
Example
The black-bee was buzzing around the flowers in the garden.
黒蜂が庭の花の周りをブンブン飛んでいた。
C2 adjective /ˈpɜːrviəs/

pervious

透水性の
Meaning
Allowing water, air, or other substances to pass through; permeable.
Example
The soil here is pervious to rainwater.
ここでは土壌が雨水を通すことができます。
C2 adjective /ˈhʌmdrʌm/

humdrum

単調
Meaning
Lacking excitement or variety; dull and monotonous.
Example
She grew tired of the humdrum routine of office life.
彼女はオフィスライフの単調な日常に疲れました。
C2 adverb /ˈprɒksɪmətli/

proximately

近く
Meaning
In a near or close manner; nearly.
Example
The village lies proximately to the river.
村は川の近くにあります。
C2 noun /ɪˌkwɪvəˈkeɪʃən/

equivocation

あいまいな言葉の使用
Meaning
The use of ambiguous language to conceal the truth or to avoid committing oneself.
Example
The politician’s equivocation frustrated voters who wanted a clear answer.
政治家のあいまいな言葉は、明確な答えを求めていた有権者を失望させた。
C2 adjective /ˈtræktəbəl/

tractable

制御可能または影響を与えることができる
Meaning
easy to control or influence
Example
The child was surprisingly tractable during the long journey.
その子供は長い旅の間、驚くほど制御可能だった。
C2 noun /ˈɛdi/

eddy

渦巻き
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
カヌーは岩の近くで渦巻きに巻き込まれた。
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

比類のない
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
彼女の美しさはその地域で比類のないものと考えられていた。
C2 verb, noun /ɡaʊdʒ/

gouge

えぐる、不当に高く売る
Meaning
To cut or scoop out a deep hole or groove; to overcharge unfairly.
Example
He accidentally gouged a hole in the wooden table.
彼はうっかり木製のテーブルに穴を開けました。
C2 adjective /kəˈprɪʃəs/

capricious

気まぐれな
Meaning
given to sudden and unaccountable changes of mood or behavior
Example
The stock market can be capricious, shifting dramatically without warning.
株式市場は気まぐれで、予告なしに劇的に変動することがあります。
C2 adjective ˈkoʊ.dʒənt

cogent

説得力のある
Meaning
Clear, logical, and convincing.
Example
His cogent argument convinced the jury.
彼の説得力のある議論は陪審員を納得させた。
C2 noun /fluːk/

fluke

偶然の幸運
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
宝くじに当たるのは完全に偶然の幸運だ。
C2 verb /ˈdʒɛn.juˌflɛkt/

genuflect

Meaning
to bend one or both knees as a sign of reverence or worship
Example
The worshippers genuflect before the altar.
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

博学
Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
彼の歴史に関する博学は全ての聴衆を感心させた。
C2 noun /ˌpæl.ənˈkiːn/

Palanquin

花嫁用の車
Meaning
a covered chair or bed carried on poles by bearers
Example
The bride was carried to the wedding ceremony in an ornate palanquin.
花嫁は装飾されたパランキンで結婚式に運ばれました。
C2 noun /ˌkæstɪˈɡeɪʃən/

castigation

厳しい批評または罰
Meaning
Severe criticism or punishment for wrongdoing.
Example
The manager’s harsh castigation shocked the entire team.
マネージャーの厳しい批評はチーム全体を驚かせました。
C2 adjective /ˌprɒvɪˈdɛnʃəl/

providential

天意の
Meaning
occurring at a favorable or opportune time, as if guided by divine intervention
Example
Their timely rescue was considered providential.
彼らのタイムリーな救助は天意のものと見なされました。
C2 noun /ˌfɪzɪˈɑːkrəsi/

physiocracy

土地主義
Meaning
an economic theory that land and its natural products are the source of wealth
Example
Physiocracy emphasized the importance of agriculture in national wealth.
土地主義は国の富における農業の重要性を強調しました。
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

楽器奏者
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
楽器奏者はバイオリンで美しいソロを演奏しました。
C2 verb /ˈnɔːzieɪt/

nauseate

吐き気を催す
Meaning
To make someone feel sick, with an inclination to vomit.
Example
The spoiled food nauseated him quickly.
腐った食べ物は彼をすぐに吐き気を催させました。
C2 noun /ˌlɛksɪˈkɒɡrəfər/

lexicographer

辞書編纂者
Meaning
A person who compiles, writes, or edits dictionaries.
Example
The lexicographer spent years compiling the dictionary.
そのレキシコグラファーは辞書を編纂するのに数年を費やした。
C2 adjective /ˈtrʌk.jʊ.lənt/

truculent

攻撃的な
Meaning
Eager or quick to argue, fight, or show aggression.
Example
She became truculent when her ideas were challenged.
彼女は自分の考えが挑戦されると攻撃的になった。
C2 noun /ˈhelmz.mən/

Helmsman

舵手; キャプテン
Meaning
a person who steers a ship or boat; the person at the helm of a vessel
Example
The experienced helmsman skillfully guided the yacht through the narrow channel during the storm.
経験豊富な舵手は、嵐の中で狭い水路をヨットで巧みに導きました。
C2 noun /ˈklaɪmɪŋ fɪʃ/

Climbing-fish

木登り魚
Meaning
a type of fish that can climb trees and survive out of water for short periods
Example
The climbing-fish can move from one pond to another by climbing trees.
木登り魚は、木を登って一つの池から別の池へ移動することができます。
C2 noun /ˈænθrəsaɪt/

anthracite

硬質石炭
Meaning
A hard, shiny form of coal that burns with little smoke and a high heat value.
Example
The factory used anthracite as its primary fuel source.
工場はアンブラサイトを主な燃料源として使用していました。
C2 adjective /dɪˈsɛnʃəs/

dissentious

対立を引き起こす
Meaning
Causing or likely to cause disagreement and conflict.
Example
His dissentious remarks divided the group further.
彼の対立的な発言は、グループをさらに分裂させた。
C2 noun /ˈbɜːrɡər/

burgher

市民（裕福な中産階級）
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
その市民は、町で繁栄している商人として尊敬されていました。
C2 adjective /ˈhɔːri/

hoary

灰色の, 古い
Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
古いオークの木は何世代にもわたる歴史の証人として立っていた。
C2 noun /ˈsælvər/

salver

銀のトレイ
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
執事は銀のトレイでお茶を運んできました。
C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

等温
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
実験は等温条件で行われました。
C2 adjective /ˈkɑːrpɪŋ/

carping

愚痴
Meaning
continually complaining or finding fault in a petty way
Example
His carping attitude makes teamwork difficult.
彼の愚痴っぽい態度はチームワークを難しくします。
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

アルビノ (色素が欠けている人/動物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
アルビノウサギは白い毛とピンクの目を持っていました。
C2 noun /ˈdeb.juː.tɑːnt/

debutante

社会で初めて公式に登場する若い女性
Meaning
A young woman making her first formal appearance in society.
Example
The debutante wore a white gown at the ball.
デビュータントは舞踏会で白いドレスを着ていました。