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C2 noun kwɔːrk

quark

クォーク
Meaning
A fundamental subatomic particle that combines to form protons and neutrons.
Example
Quarks form protons and neutrons.
クォークは陽子と中性子を形成します。
C2 noun /ˈnɛtl̩/

nettle

触れると痛みを引き起こす植物
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
彼は不注意でイラクサに触れて鋭い痛みを感じた。
C2 noun /ˌkælɪsˈθɛnɪks/

calisthenics

自重トレーニング
Meaning
exercises that use body weight for strength and flexibility
Example
She practices calisthenics every morning in the park.
彼女は毎朝公園でカリステニクスを練習しています。
C2 adjective /ˈpɔːntʃi/

paunchy

ぽっこりお腹
Meaning
Having a large or protruding belly.
Example
The paunchy man struggled to button his shirt.
ぽっこりお腹の男はシャツのボタンを留めるのに苦労していた。
C2 adjective /ˈsiːmi/

seamy

低劣な、陰湿な
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
その小説は都市生活の裏面を明らかにします。
C2 verb /ˈfɛtər/

fetter

束縛する、制限する
Meaning
to restrain or restrict someone’s freedom
Example
The strict rules fettered the creativity of the students.
厳しいルールは学生の創造性を制限した。
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良, イライラした
Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.
重い食事の後、彼は消化不良で不快に感じました。
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

不運な
Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
チームは不運な天候の中で旅を始めました。
C2 verb /ɛksˈproʊprieɪt/

expropriate

収用する
Meaning
To take property from its owner, especially by authority or for public use.
Example
The government decided to expropriate the land for a new highway.
政府は新しい高速道路のために土地を収用することを決定した。
C2 adverb /ˈaɪsɪli/

icily

冷たく
Meaning
In a very cold, unfriendly, or hostile manner.
Example
She replied icily to his question.
彼女は冷たく彼の質問に答えた。
C2 verb /diːˈfrɑːk/

defrock

神父の職を剥奪する
Meaning
to officially remove a priest or minister from their position and authority
Example
The church decided to defrock the priest after the scandal.
教会はスキャンダルの後、神父を職務停止にしました。
C2 verb /ˈfrɪtər/

fritter

浪費する
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
彼は無駄にお金を浪費しました。
C2 verb /ˌweɪˈleɪ/

waylay

突然立ち止まる / 攻撃する
Meaning
to stop or interrupt someone unexpectedly, often to attack or detain them
Example
He was waylaid by reporters as he left the courthouse.
彼は裁判所を出るとき、記者に道を遮られた。
C2 verb /ˈsɛreɪt/

serrate

ギザギザの縁を作る
Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
職人はより良い切断のためにナイフの刃をセレイトしました。
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

会議警備員
Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
会議警備員は、秩序を乱すメンバーを会場から退場させました。
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

デマグネタイズ
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
技術者は古いカセットテープの磁気を取り除いた。
C2 noun /ˈrɛkluːsəri/

reclusory

隠遁場所
Meaning
A place for seclusion or retreat, especially for a recluse or hermit.
Example
The monk spent years in the reclusory away from society.
その僧侶は社会から離れた隠遁場所で数年を過ごしました。
C2 noun /ˈnɒn.ɪʤ/

Nonage

未成年
Meaning
the period of being under the legal age of majority; youth or immaturity
Example
During his nonage, all legal decisions were made by his guardian.
彼が未成年であった間、すべての法的決定は保護者によって下された。
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

反証可能
Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
彼の理論は実験的にテストできるので反証可能でした。
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 /niːˈɒlədʒɪzəm/

neologism

新造語
Meaning
A newly coined word or expression.
Example
The internet has given rise to many neologisms like 'selfie' and 'hashtag'.
インターネットは「セルフィー」や「ハッシュタグ」などの多くの新造語を生み出しました。
C2 noun /ˈræbəl/

Rabble

群衆
Meaning
a disorderly crowd; the common people regarded as socially inferior
Example
The politician dismissed the protesters as mere rabble.
政治家は抗議者を単なる群衆として退けた。
C2 verb /ˌsuːpərˈhiːt/

superheat

過熱する
Meaning
to heat a substance beyond its normal boiling point without it becoming vapor
Example
Engineers superheat the steam to increase the efficiency of the turbine.
エンジニアはタービンの効率を上げるために蒸気を加熱しすぎます。
C2 noun /kəˈtæb.ə.lɪ.zəm/

catabolism

カタボリズム
Meaning
The breakdown of complex molecules in living organisms to form simpler ones together with the release of energy; destructive metabolism.
Example
Catabolism plays a crucial role in cellular energy production.
カタボリズムは細胞のエネルギー生産に重要な役割を果たします。
C2 verb /ˈmæŋɡəl/

mangle

ひどく壊す
Meaning
to severely damage or mutilate something, often by tearing or crushing
Example
The car was mangled in the accident.
車は事故でひどく壊れた。
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

賢明
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
彼の賢明なリーダーシップは会社を失敗から救った。
C2 noun /ˌɛpɪzəʊˈɒtɪk/

epizootic

動物伝染病
Meaning
An outbreak of disease affecting many animals of one kind at the same time.
Example
The farmer feared an epizootic might wipe out his cattle.
農家は、動物伝染病が彼の家畜を壊すかもしれないと恐れていました。
C2 adjective /ˈsɛrid/

serried

整列した
Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
兵士たちは整列した行列で立って、点検の準備ができていました。
C2 noun /ˌdɪskwɪˈzɪʃən/

disquisition

論文
Meaning
A long or elaborate discussion or written essay on a particular subject.
Example
The professor gave a lengthy disquisition on ancient philosophy.
教授は古代哲学についての長い論文を発表しました。
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 adjective /ˈpɑːmi/

palmy

繁栄 / 栄光
Meaning
prosperous, flourishing, or relating to palm trees
Example
He often reminisced about the palmy days of his youth.
彼は若い頃の繁栄した日々をよく思い出していました。
C2 adjective /ˈtɔːrpɪd/

torpid

無気力
Meaning
Mentally or physically inactive; sluggish or lethargic.
Example
After the long hike, he felt torpid and unmotivated.
長いハイキングの後、彼は無気力でやる気が出なかった。
C2 noun /pɪˈlɑːf/

Pillaw

ピラフ
Meaning
a dish of rice cooked in seasoned broth, often with meat and vegetables
Example
We enjoyed a delicious chicken pillaw for dinner.
私たちは夕食に美味しいチキンピラフを楽しみました。
C2 noun /ˈswɑːvɪti/

suavity

優雅さと魅力
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
彼の優雅さと魅力は社交の場で彼を人気者にした。
C2 adjective /ˈɡlɑːbjələr/

globular

球形の
Meaning
Having the shape of a globe; spherical.
Example
The scientist studied the globular cluster of stars.
科学者は球状の星団を研究しました。
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 /əˈluːviən/

alluvion

アリュビオン
Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
川のアリュビオンは村の畑に新しい肥沃な土地を加えました。
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 adjective /ˈvæpɪd/

vapid

退屈な
Meaning
lacking liveliness, flavor, or interest; dull and uninspired
Example
The lecture was so vapid that half the audience fell asleep.
講義は退屈すぎて、観客の半分が寝てしまった。
C2 noun /ˈʃɛvrən/

chevron

V字型の記号
Meaning
A V-shaped pattern, often used in military insignia or design.
Example
The sergeant’s uniform displayed three chevrons on the sleeve.
軍曹の制服には袖に三つのシェブロンが表示されていました。
C2 noun /ˈdʒʌɡləri/

jugglery

ジャグリング
Meaning
The performance of tricks and illusions, especially by sleight of hand.
Example
The magician's jugglery amazed the audience.
魔法使いのジャグリングは観客を驚かせました。
C2 noun /baɪt/

bight

入り江
Meaning
A bend or curve in a geographical feature, especially a coastline, or a loop in a rope.
Example
The sailors anchored in the calm waters of the bight.
船員たちは入り江の穏やかな水域でアンカーを下ろした。
C2 noun /ˌɪntərpəˈzɪʃən/

interposition

介入
Meaning
The act of intervening or coming between two things, often to influence or prevent an outcome.
Example
The manager’s interposition prevented a heated argument from escalating.
マネージャーの介入は、激しい議論がエスカレートするのを防ぎました。
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 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

Meaning
Not expressing or showing a clear opinion, decision, or commitment.
Example
She gave a noncommittal reply when asked about her future plans.
C2 adjective /dɛˈspɒtɪk/

despotic

専制的な
Meaning
exercising power in a cruel, oppressive, or authoritarian way
Example
The king’s despotic rule left the people in misery.
王の専制的な支配は人々を苦しめた。
C2 verb /ˈkɒdʒɪteɪt/

cogitate

熟考する
Meaning
to think deeply about something; to meditate or reflect
Example
He sat by the river to cogitate on his future plans.
彼は川のそばに座って、未来の計画について考えました。
C2 noun /ˈspɛndˌθrɪft/

spendthrift

浪費家
Meaning
A person who spends money extravagantly or wastefully.
Example
The young prince was known as a spendthrift, wasting his fortune on lavish parties.
若い王子は浪費家として知られ、贅沢なパーティーに財産を浪費していた。
C2 noun /ˌfəʊ.təʊ.sen.sɪˈtɪv.ɪ.ti/

photosensitivity

光感受性
Meaning
Sensitivity to light, especially abnormal sensitivity that may cause discomfort or damage.
Example
Overrubbing can increase photosensitivity.
過度の摩擦は光感受性を増加させる可能性があります。
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

微細な
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
そのエラーは非常に微細で、結果に影響を与えることはありませんでした。
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 noun /ˈævərɪs/

avarice

強欲
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
彼の強欲は彼を労働者を搾取することに導いた。
C2 adjective hjʊˈrɪs.tɪk

heuristic

発見的
Meaning
Enabling a person to discover or learn something for themselves; experimental learning approach.
Example
Teachers use heuristic techniques to encourage self-learning.
教師は自学を促すために発見的な技法を使用します。
C2 noun /ˈbrɒŋkəs/

bronchus

気管支
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左気管支は左肺に空気を運びます。
C2 adverb /əˈmʌk/

amuck

無秩序に
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
雄牛は村を無秩序に走り回った。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行する
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
伝道師は地域を巡り、メッセージを広めました。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必要な物
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
多くの学生にとって、経済援助は必要な物です。
C2 noun /ˈlɒkətɪv/

locative

ロカティブ
Meaning
a grammatical case indicating location or place
Example
In Latin, the locative case is used to indicate location.
ラテン語では、ロカティブ格は場所を示すために使用されます。
C2 verb /ɪnˈvaɪərən/

environ

囲む
Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
山々は小さな谷を囲んでいます。
C2 verb /ˈkælvɪnaɪz/

calvinize

カルヴァン主義の原則を取り入れる
Meaning
to imbue with the principles or doctrines of Calvinism
Example
The preacher sought to calvinize the community with strict teachings.
伝道師は厳格な教義でコミュニティをカルヴァン主義化しようとした。
C2 noun /ˈmeɪsə/

mesa

メサ
Meaning
An isolated flat-topped hill with steep sides, found in arid regions.
Example
The hikers stopped to admire the mesa rising above the desert floor.
ハイカーたちは砂漠の床から突き出たメサを賞賛するために立ち寄りました。
C2 noun /ˌænəlˈdʒiːziə/

analgesia

鎮痛
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
医者は手術を行う前に鎮痛を誘発した。
C2 adjective /dɪˈfjuːzəbl/

diffusible

拡散可能な
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
酸素は細胞膜を通じて拡散することができます。
C2 verb /dɪˈskraɪ/

descry

遠くで見る
Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
丘の頂上から、彼らは遠くの小さな村を見た。
C2 verb /ˈʌndjʊleɪt/

undulate

波打つ
Meaning
To move with a smooth, wave-like motion.
Example
The snake undulated across the sand.
ヘビは砂の上をうねうねと進んでいった。
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 noun /ˈkwaɪəˌtuːd/

quietude

静けさ
Meaning
A state of stillness and tranquility.
Example
She enjoys the quietude of the countryside.
彼女は田舎の静けさを楽しんでいます。
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

オニカサゴ
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
オニカサゴは毒を注入できる危険な棘を持っています。
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

delineation
Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
アーティストの風景のデリニエイションは驚くほど正確でした。
C2 /ˈpæn.ə.pli/

panoply

全装備
Meaning
A complete or impressive collection of things; a full set of armor.
Example
The museum displayed a panoply of ancient weapons.
博物館は古代の武器の全装備を展示しました。
C2 adjective /bɪˈwɪtʃɪŋ/

bewitching

魅惑的
Meaning
charming, enchanting, or captivating in a magical or irresistible way
Example
She wore a bewitching smile that captivated everyone in the room.
彼女は魅惑的な笑顔を見せ、部屋の中の全員を魅了しました。
C2 noun /θroʊz/

throes

激痛
Meaning
intense or violent pain and struggle, often at the beginning or end of something
Example
The country was in the throes of a political crisis.
その国は政治的危機の激痛の中にあった。
C2 noun /ˈɔɪl.mən/

Oilman

石油業者
Meaning
a person who works in the oil industry; someone who sells oil or petroleum products
Example
The oilman discovered a new oil field in the desert.
オイルマンは砂漠で新しい油田を発見した。
C2 noun /ɛnˈsɪklɪkəl/

encyclical

回勅
Meaning
a formal letter sent by the Pope to Catholic churches, usually addressing important issues
Example
The Pope issued an encyclical on climate change and moral responsibility.
教皇は気候変動と道徳的責任についての回勅を発表しました。
C2 noun /ˈbroʊmaɪd/

bromide

ありきたりなアイデア
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
彼のスピーチは、努力についての古いありきたりなアイデアでいっぱいだった。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鳥小屋
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
動物園はエキゾチックなオウムのために新しい鳥小屋を作った。
C2 noun /ˌdaɪələˈtɪʃən/

dialectician

弁証法の専門家
Meaning
A person skilled in dialectic or logical argument.
Example
Socrates is often considered the greatest dialectician in history.
ソクラテスはしばしば歴史上最も偉大な弁証法の専門家と見なされます。
C2 adjective /ˌhɜːrkjʊˈliːən/

herculean

非常に困難
Meaning
Requiring great strength or effort; very difficult to perform.
Example
It was a herculean task to rebuild the city after the disaster.
災害後に都市を再建することは非常に困難な仕事でした。
C2 noun /ˈhʌk.stər/

huckster

露天商人
Meaning
A person who sells small items aggressively, often in a showy or dishonest way.
Example
The huckster loudly promoted his goods in the busy marketplace.
その露天商人は賑やかな市場で自分の商品を大声で宣伝していました。
C2 noun /ɪnˈsuːsiəns/

insouciance

無関心
Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
彼女は無関心な態度で歩いていた、前にある挑戦を気にせずに。
C2 verb /kənˈstrɪndʒ/

constringe

収縮する
Meaning
to cause to shrink or contract; to constrict
Example
The medicine helped constringe the swollen tissues.
その薬は腫れた組織を収縮させるのに役立ちました。
C2 adjective /ˈθʌroʊˌɡoʊɪŋ/

thoroughgoing

完全な、徹底的な
Meaning
carried out to the full extent; absolute and complete
Example
She is a thoroughgoing professional in every sense.
彼女はあらゆる意味で徹底的なプロフェッショナルです。
C2 noun /ˈaɪdɪl/

idyll

田園詩的なシーン
Meaning
An extremely happy, peaceful, or picturesque episode or scene, often idealized.
Example
Their honeymoon was an idyll on a tropical island.
彼らのハネムーンは熱帯の島での田園詩的なシーンでした。
C2 adjective səˈluː.bri.əs

salubrious

健康的
Meaning
Health-giving; healthy; promoting health and well-being.
Example
The mountain air is salubrious and refreshing.
山の空気は健康的でさわやかです。
C2 noun /ˈpæntəˌskoʊp/

pantoscope

広範囲またはパノラマビューを提供する光学機器
Meaning
An optical instrument that provides a wide or panoramic view.
Example
The scientist used a pantoscope to observe the entire horizon.
科学者は全ての地平線を観察するためにパンタスコープを使用しました。
C2 verb /səbˈsjuːm/

subsume

含む
Meaning
To include or absorb something into a larger group or category.
Example
Minor details were subsumed under the main topic.
マイナーな詳細は主要なトピックに含まれました。
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 /ʌnˈflæpəbəl/

unflappable

冷静沈着
Meaning
calm and composed, especially in difficult situations
Example
Despite the crisis, he remained unflappable and confident.
危機にもかかわらず、彼は冷静沈着で自信に満ちていた。
C2 verb /ˌɪntərˈpoʊz/

interpose

Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
校長は生徒間の対立で仲裁者として行動した。
C2 noun /ˈɡlæsi fɪʃ/

Glassy fish

ガラスの魚
Meaning
a transparent freshwater fish with a glassy appearance, popular in aquariums
Example
The glassy fish is known for its transparent body and peaceful nature.
ガラスの魚はその透明な体と穏やかな性格で知られています。
C2 adjective /əˈdʌltəreɪtɪd/

adulterated

Meaning
describes food, drink, or medicine made weaker or impure by the addition of another substance
Example
Authorities seized adulterated drugs from the warehouse.
C2 verb /bɪˈtroʊð/

betroth

婚約する
Meaning
To formally promise to marry someone; to engage.
Example
He was betrothed to the princess at a young age.
彼は若い頃、王女と婚約していた。
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

和解できない
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
そのカップルは和解できない違いのために別れました。
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 /ˈdrʌmɪt/

Drumet

ドラメット
Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
ドラマーはパレード中にドゥルメットで一定のリズムを演奏しました。
C2 noun /ˈsɛkstənt/

sextant

セクスタント
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
セクスタントを使用して、ナビゲーターは正午に船の位置を特定しました。
C2 adjective /ˈdæpər/

dapper

おしゃれで清潔
Meaning
Neat, stylish, and well-dressed in appearance.
Example
He looked very dapper in his new suit.
彼は新しいスーツでとてもおしゃれに見えた。
C2 verb /raɪv/

rive

裂ける
Meaning
to tear apart violently
Example
The earthquake rived the ground in several places.
地震がいくつかの場所で地面を裂けました。
C2 adjective /ˈnɪɡərdli/

niggardly

ケチ
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
彼はまともなチップを置くにはあまりにケチだった。
C2 verb /ˈdʒɒɡəl/

joggle

軽く揺する
Meaning
to shake slightly; to move or cause to move with quick, small jerks
Example
He joggled the table and the vase nearly fell.
彼はテーブルを揺すって、花瓶が倒れそうになった。
C2 noun /ˈsɛm.ɪ.nɛr.i/

seminary

神学校
Meaning
A school or college for training priests, ministers, or rabbis.
Example
He decided to enroll in a seminary to study theology.
彼は神学校に入学して神学を学ぶことに決めました。
C2 adjective /ˈkwɒdreɪt/

quadrate

正方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
タイルは整然とした正方形の形状をしており、床を整然と見せていました。
C2 noun /ˌlɛksɪˈkɒɡrəfi/

lexicography

辞書学
Meaning
The art or practice of compiling dictionaries.
Example
Lexicography requires both linguistic and cultural knowledge.
辞書学は、言語学と文化的な知識の両方を必要とします。
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不満な
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革は不満な若者を落ち着かせるために導入されました。
C2 verb /vɔːnt/

vaunt

Meaning
to boast or brag about something, especially in an excessive way
Example
He would often vaunt his achievements in front of his colleagues.
C2 noun /ˈɪntərˌveɪl/

intervale

川沿いの低地、通常は肥沃で平坦
Meaning
A low-lying tract of land along a river, usually fertile and flat.
Example
The farmers cultivated crops on the lush intervale by the river.
農民たちは川沿いの肥沃な土地で作物を育てた。
C2 verb /prəˈpɪʃieɪt/

propitiate

なだめる
Meaning
to win or regain the favor of someone by doing something that pleases them
Example
He offered gifts to propitiate the angry gods.
彼は怒った神々をなだめるために贈り物を捧げました。
C2 adjective /ˈsiːmli/

seemly

適切
Meaning
proper or appropriate in behavior or appearance
Example
It was not seemly to argue loudly during the ceremony.
式典中に大声で議論するのは適切ではありませんでした。
C2 noun /ˈpoʊltɪs/

poultice

温かい薬草の湿布
Meaning
a soft, moist mass of material applied to the body to relieve soreness and inflammation
Example
The nurse applied a warm poultice to his injured leg.
看護師は彼の怪我した足に温かい湿布を貼った。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
C2 noun /ˈdɒldrəmz/

doldrums

Meaning
A state of inactivity, stagnation, or low spirits; also a region near the equator with calm winds.
Example
After the project failed, the team was stuck in the doldrums for months.
C2 adjective /ʌnˈælɔɪd/

unalloyed

純粋
Meaning
Pure, complete, and not mixed with anything else.
Example
She felt unalloyed joy at the news of her success.
彼女は成功のニュースを聞いて純粋な喜びを感じた。
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 /ˈdæl.i.əns/

Dalliance

浮気; 関係の一時的なもの
Meaning
a casual romantic or sexual relationship; a brief involvement or experiment
Example
His dalliance with photography lasted only a few months before he lost interest.
彼の写真への浮気は数ヶ月しか続かず、興味を失いました。
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 /ɪkˈsɛpʃənəbl/

exceptionable

受け入れられない
Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
彼の無礼な発言は、出席していた全員にとって不適切だと見なされた。
C2 noun /ˈprɪvɪti/

privity

プライバシー関係、契約関係
Meaning
A close, private, or special relationship; in law, the direct connection between parties to a contract.
Example
There was no privity of contract between the supplier and the customer.
供給者と顧客の間には契約関係がなかった。
C2 noun /lɪˈvaɪəθən/

leviathan

巨大な海の怪物
Meaning
a huge sea monster or something very large and powerful.
Example
The ship looked like a leviathan on the horizon.
その船は地平線上で巨大な海の怪物のように見えました。
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 verb /dɪˈræsɪˌneɪt/

deracinate

根こそぎ引き抜く
Meaning
To uproot something completely; to displace people from their native environment or culture.
Example
The conflict deracinated many families from their homeland.
その紛争は多くの家族を故郷から追い出しました。