presumptive
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C2 adjective /prɪˈzʌmptɪv/

presumptive

推定
Meaning
Based on probability or assumption rather than proof.
Example
She is the presumptive nominee for the party.
彼女はその党の推定候補者です。
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 adjective /əˈluːsɪv/

allusive

暗示的
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
その小説は古典文学を指し示す暗示的な部分で満ちている。
C2 noun /ˈdɛθsˌhɛd/

deaths-head

髑髏
Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
海賊の旗には恐ろしい髑髏の印がありました。
C2 noun /ˌpoʊpʊˈriː/

potpourri

乾燥花の混合物
Meaning
a mixture of dried flowers and spices kept in a bowl to perfume a room; a miscellaneous collection
Example
The living room was filled with the scent of potpourri.
リビングルームはポプリの香りで満たされていました。
C2 noun /ˈkoʊdə/

coda

コーダ
Meaning
the concluding passage of a piece of music or a literary work
Example
The novel ends with a reflective coda that ties up the themes.
その小説は、テーマを結びつける反省的なコーダで終わります。
C2 adjective /prɪˈhɛnsɪbəl/

prehensible

掴みやすい
Meaning
capable of being grasped or seized
Example
The tool has a prehensible handle that improves safety.
その道具には安全性を高めるために掴みやすいハンドルがあります。
C2 noun /ɪɡˈzɛmplɑːr/

exemplar

模範
Meaning
A model or pattern to be copied or imitated.
Example
She is an exemplar of kindness and generosity.
彼女は親切と寛大さの模範です。
C2 noun /kɔˈrɪkə soˈbɔrnə/

Corica soborna

カチキの魚
Meaning
a small silvery fish species found in South Asian rivers, commonly used in local cuisine
Example
Corica soborna is a popular ingredient in traditional Bengali fish curry.
コリカ ソボルナは伝統的なベンガル魚カレーの人気の材料です。
C2 adjective /səˈmætɪk/

somatic

身体的
Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
ヨガは身体的および精神的健康を改善することができます。
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

間作農業
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
間作農業は土壌の肥沃度と害虫管理の向上に役立ちます。
C2 adjective /ˈæn.ə.daɪn/

anodyne

無害な、痛みを和らげる
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
スピーカーの無害なコメントは論争を避けました。
C2 noun /tʊˈriːn/

tureen

ターリーン
Meaning
A large deep dish with a cover, used for serving soups or stews.
Example
She brought the hot soup to the table in a silver tureen.
彼女は銀色のターリーンで熱いスープをテーブルに運びました。
C2 noun /staɪn/

stein

ビールジョッキ
Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
彼は友達のために乾杯するためにシュタインを持ち上げました。
C2 adjective /dɪˈtɜːrmɪnət/

determinate

確定的
Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
契約は2年間の確定した期間です。
C2 adjective /ˈæsɪnaɪn/

asinine

愚かな
Meaning
Extremely foolish or stupid.
Example
It was an asinine idea to drive into the storm without checking the weather.
天気を確認せずに嵐の中を車で走るのは愚かな考えだった。
C2 noun /fluː/

flue

煙道
Meaning
A pipe or channel for smoke and waste gases produced by a fire, gas heater, or power station.
Example
The chimney flue needs to be cleaned regularly.
煙突の煙道は定期的に掃除する必要があります。
C2 noun /ˌtɛliˈɒlədʒi/

teleology

目的論
Meaning
the explanation of phenomena by the purpose they serve rather than by cause
Example
Aristotle is often associated with the concept of teleology in philosophy.
アリストテレスは哲学における目的論の概念としばしば関連付けられます。
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 verb /flɪt/

flit

ひらひら舞う
Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
蝶が花から花へひらひらと舞った。
C2 adjective /ˈpjuːɪsənt/

puissant

強力な
Meaning
having great power or influence; mighty
Example
The king was a puissant ruler whose word was law.
その王は強力な支配者で、その言葉は法律だった。
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 noun /ˌself əˈbeɪs.mənt/

self-abasement

自己卑下
Meaning
The act of belittling or humiliating oneself.
Example
His constant self-abasement made others uncomfortable.
彼の絶え間ない自己卑下は他の人々を不快にさせた。
C2 noun /ˈlʊŋ.gi/

Lungi

ルンギ
Meaning
a traditional garment worn around the waist in South Asia
Example
He wore a comfortable lungi while relaxing at home.
彼は家でくつろいでいるときに快適なルンギを着ていました。
C2 adjective /ˈlɪsɪt/

licit

合法
Meaning
Permitted by law or by rules; legal.
Example
The trade of certain goods is licit under international law.
特定の商品の取引は国際法の下で合法です。
C2 verb ˈɑːb.fə.skeɪt

obfuscate

曖昧にする、混乱させる、隠す
Meaning
Render obscure, unclear, or unintelligible.
Example
Politicians often obfuscate facts to mislead people.
政治家はしばしば事実をわかりにくくして人々を誤導します。
C2 noun /kɒŋk/

Conch

貝殻
Meaning
a large sea shell that can be used as a horn; the marine mollusk that lives in such a shell
Example
The fisherman blew the conch shell to signal the end of the day.
漁師は一日の終わりを知らせるために貝殻を吹いた。
C2 adjective /ɪˈnɪm.ɪ.tə.bəl/

inimitable

比類のない
Meaning
So good or unusual as to be impossible to copy; unique.
Example
His inimitable writing style made him a literary legend.
彼の比類のない筆致が彼を文学の伝説にした。
C2 adjective /ˈɑːbdjʊrət/

obdurate

頑固
Meaning
Stubbornly refusing to change one's opinion or course of action.
Example
He remained obdurate despite everyone's pleas.
彼は皆の懇願にもかかわらず、頑固なままでした。
C2 noun /ˈiːdʒɪs/

aegis

保護
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
このプロジェクトは国連の庇護の下で実施されました。
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

ネオラテン
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
多くの科学的な名前はネオラテンから派生しています。
C2 noun (plural) /ˌmæk.ɪˈneɪ.ʃənz/

machinations

陰謀
Meaning
complicated and secret plans, often intended to cause harm
Example
The politician was brought down by his own machinations.
その政治家は自分の陰謀によって倒れた。
C2 noun /kəˈkɒfəni/

cacophony

耳障りな音
Meaning
A harsh, discordant mixture of sounds.
Example
The cacophony of horns made it impossible to concentrate.
クラクションの耳障りな音は集中を不可能にした。
C2 noun /ˈpʌndʒənsi/

pungency

辛味
Meaning
The quality of having a strong, sharp taste or smell.
Example
The pungency of garlic filled the kitchen.
ニンニクの辛味がキッチンに充満した。
C2 noun /ˈteɪbər/

Tabour

タムボール
Meaning
a small side drum or tambourine used especially in folk music
Example
The folk musician played a lively tune on his tabour.
フォークミュージシャンは自分のタムボールで生き生きとしたメロディーを演奏しました。
C2 noun /ˈplɛntɪtjuːd/

plentitude

豊富さ
Meaning
the condition of being full or abundant
Example
The garden offered a plentitude of flowers in spring.
庭園は春に花の豊富さを提供しました。
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 /ˈpæsɪt/

Passet

カッテージチーズ
Meaning
Fresh cheese curds; cottage cheese made from curdled milk
Example
The cook prepared fresh passet by curdling warm milk with lemon juice.
料理人は温かい牛乳にレモン汁を加えて新鮮なカッテージチーズを作りました。
C2 adverb /əˈsɪdʒuəsli/

assiduously

熱心に
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
彼は締め切り前にプロジェクトを完了するために熱心に働きました。
C2 noun /ˈpætrɪˌmoʊni/

patrimony

遺産
Meaning
Property or inheritance passed down from one's father or ancestors.
Example
The castle was part of his patrimony from his noble ancestors.
その城は彼の貴族の先祖から受け継いだ遺産の一部でした。
C2 noun /ˈbræɡərt/

braggart

自慢屋
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
誰も彼を好きではなかった、なぜなら彼は大きな自慢屋だったから。
C2 verb /ˌɪntərˈmɪt/

intermit

中断する
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
雨は中断し、再び始まる。
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
C2 noun /ˌkæθəˈlɪsɪti/

catholicity

普遍性, 開かれた考え
Meaning
Universality; broad-mindedness; acceptance of a wide variety of things.
Example
Her catholicity of interests makes her a fascinating person.
彼女のカトリシティな興味は、彼女を魅力的な人物にしています。
C2 noun /koʊˈkɛt/

coquette

コケットな女性
Meaning
a woman who flirts lightheartedly
Example
She was a coquette, always charming everyone at the party.
彼女はコケットで、パーティーで誰にでも魅力を振りまいていました。
C2 adjective /ˈmoʊtaɪl/

motile

運動性のある
Meaning
Capable of movement or locomotion.
Example
Certain bacteria are motile and can swim toward nutrients.
特定の細菌は運動性があり、栄養素に向かって泳ぐことができます。
C2 noun /ɪnˈvɛstɪtʃər/

investiture

任命式
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
王は新しい騎士のために任命式を開催しました。
C2 verb /læmˈbæst/

lambast

厳しく批判する
Meaning
To criticize harshly or to beat severely.
Example
The coach lambasted the team for their poor performance.
コーチはチームのパフォーマンスの悪さを厳しく非難しました。
C2 noun/verb /ɡəˈfɔː/

guffaw

大笑い
Meaning
a loud and boisterous laugh
Example
The audience guffawed at the comedian’s joke.
観客はコメディアンのジョークに大笑いしました。
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 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

不快な
Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
彼の不快な質問は、皆が座席で不安そうに動かせるようにさせた。
C2 verb /dʒɪr/

jeer

嘲笑う
Meaning
to laugh at someone or something in a cruel or mocking way
Example
The crowd began to jeer at the opposing team.
群衆は対戦チームを嘲笑し始めた。
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 noun /ˈɛərəˌnɔːt/

aeronaut

気球乗り
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
気球乗りは巧みに気球を谷を越えて操縦しました。
C2 adjective /ˈdʒɒkənd/

jocund

陽気な
Meaning
cheerful and lighthearted
Example
They walked together in a jocund mood after the celebration.
彼らは祝賀会の後、陽気な気分で一緒に歩いていた。
C2 noun /ˈluːkər/

lucre

利益
Meaning
money, especially when regarded as sordid or gained dishonorably
Example
He was motivated more by lucre than by duty.
彼は義務よりも利益に動機づけられていました。
C2 adjective /ʌnˈʌtərəbl/

unutterable

言葉では表現できない
Meaning
Too great, intense, or awful to be expressed or described in words.
Example
She was filled with unutterable joy at the news of her success.
彼女は成功の知らせを聞いたとき、言葉では言い表せないほどの喜びで満たされていました。
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 noun /ˈdʒʌŋk.tʃər/

jucture

重要な局面
Meaning
a particular point in time, especially one of great importance or crisis
Example
At this critical jucture, the company must decide whether to expand or downsize.
この重要な局面で、会社は拡大するか縮小するかを決定しなければなりません。
C2 adjective /ˈkɒndʒʊɡəl/

conjugal

婚姻の
Meaning
relating to marriage or the relationship between husband and wife
Example
They enjoyed a long life of conjugal happiness.
彼らは長い結婚生活を楽しみました。
C2 noun /ˈæntiruːm/

anteroom

控えの間
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
客たちは中に呼ばれる前に控えの間で待っていた。
C2 adjective /dɪˈspjuːtəbl/

Disputable

議論の余地がある; 疑わしい
Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
その事件の事実は議論の余地があり、さらなる調査が必要です。
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 noun /ˈkjuːbeb ˈpepər/

Cubeb Pepper

キューベブペッパー
Meaning
aromatic spice with a slightly bitter taste and cooling aftertaste
Example
Cubeb pepper is used in traditional Indonesian cuisine.
キューベブペッパーは伝統的なインドネシア料理に使用されます。
C2 noun /bænˈdænə/

bandanna

大きなカラフルなバンダナ
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
彼は首に赤いバンダナを結んだ。
C2 noun /ɪmˈpjuːɪsəns/

impuissance

無力, 無能
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
危機の前で政府の無力さが人々を失望させた。
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
C2 noun /ˈiːɡlət/

eaglet

イーグルのひな
Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
イーグレットは巣の中で母親が戻るのを待っていた。
C2 adjective /ˌɔːfˈkiː/

off-key

外れた音
Meaning
out of tune; not in accordance with expected standards
Example
The singer was slightly off-key during the performance.
歌手はパフォーマンス中に少し外れた音だった。
C2 verb /ˌdɪsəˈbjuːz/

disabuse

誤解を解く
Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
先生は生徒たちの誤解を解こうとしました。
C2 noun /ˌætəlˈjeɪ/

atelier

アトリエ(アーティストやデザイナーのスタジオ)
Meaning
A workshop or studio, especially for an artist or designer.
Example
The painter invited us to his atelier to view his new collection.
画家は私たちを彼のアトリエに招待し、新しいコレクションを見せてくれました。
C2 adjective /ʌnˈwəʊntɪd/

unwonted

異常
Meaning
Unusual, uncommon, or out of the ordinary.
Example
She spoke with an unwonted gentleness that surprised everyone.
彼女は予想外の優しさで話し、皆を驚かせました。
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 /ɑːlˈfæktəri/

olfactory

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

hydra

ヒドラ
Meaning
a many-headed serpent in Greek mythology; a problem that seems to grow worse when attempts are made to solve it
Example
Corruption is like a hydra, hard to defeat completely.
汚職はヒドラのようで、完全に打ち負かすのは難しい。
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 verb /dɪsˈkaʊntənəns/

discountenance

非難する
Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
先生は試験でのカンニングを強く非難しました。
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 noun /ˈkɒn.tɪ.nəns/

continence

禁欲
Meaning
self-restraint, especially regarding bodily functions or desires
Example
He practiced continence to maintain focus on his studies.
彼は学業に集中するために禁欲を実践した。
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 /ɡɑːrˈdiː.ni.ə/

Gardenia

クチナシ
Meaning
a white or yellow fragrant flower with waxy petals
Example
The gardenia bush produced beautiful white flowers with a lovely scent.
ガーデニアの茂みは美しい白い花を咲かせ、素敵な香りを放ちました。
C2 noun /ˌɡlæd.iˈoʊ.ləs/

Gladiolus

グラジオラス
Meaning
A tall flowering plant with sword-shaped leaves and colorful spike-like flower clusters, popular in gardens and floral arrangements
Example
The gladiolus stood tall and elegant in the flower bed.
花壇でグラジオラスは高く堂々と立っていた。
C2 verb /məˈrɔːd/

maraud

略奪する
Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
バンディットたちは夜に村を略奪しました。
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 adverb /ˈwɪtɪŋli/

wittingly

意図的に
Meaning
Consciously and intentionally; on purpose.
Example
He wittingly withheld information from the police.
彼は意図的に警察に情報を隠した。
C2 noun /ˈdʒɪb.ər.ɪʃ/

gibberish

無意味な言葉
Meaning
Unintelligible or meaningless speech or writing.
Example
He was so nervous that his explanation sounded like gibberish.
彼はとても緊張していて、説明はまるでジブリッシュのように聞こえた。
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 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 /ˈdɛsɪkənt/

desiccant

乾燥剤
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
シリカゲルのパケットは、パッケージングで乾燥剤として一般的に使用されます。
C2 adjective /kəˈkɒfənəs/

cacophonous

不協和音
Meaning
Producing a harsh, discordant mixture of sounds.
Example
The cacophonous sounds of the city kept her awake all night.
街の不協和音で彼女は一晩中目が覚めていた。
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 /ˌhaɪpəˈkɒndrɪæk/

hypochondriac

ヒポコンデリアック
Meaning
a person who is excessively worried about having a serious illness
Example
She is a hypochondriac who visits the doctor every week.
彼女は毎週医者に行くヒポコンデリアックです。
C2 adjective /ˈlæk.rɪ.moʊs/

lachrymose

涙を流す、悲しむ
Meaning
tearful or given to weeping; sad and mournful
Example
The movie's lachrymose ending left the audience in tears.
映画の悲しい結末は観客を涙で満たしました。
C2 verb /dɪˈmɜːr/

demur

異議を唱える
Meaning
to raise doubts, objections, or show reluctance
Example
She agreed to help without demur.
彼女は異議なく手伝うことに同意しました。
C2 noun /ˈɡoʊld.moʊ.hɜːr/

Goldmohur

黄花木
Meaning
A tropical tree with bright orange-red flowers, also known as flame tree or royal poinciana
Example
The goldmohur tree bloomed beautifully in the summer heat.
夏の暑さの中で、ゴールドモフルの木は美しく花を咲かせた。
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 adjective /ˈmɛdəlsəm/

meddlesome

干渉好きな
Meaning
fond of interfering in other people’s affairs
Example
She found her neighbor to be meddlesome and annoying.
彼女は隣人が干渉的で迷惑だと感じた。
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

準備なしで行う
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
彼は会議で即興のスピーチをしました。
C2 noun /θiˈɒkrəsi/

theocrasy

神権政治
Meaning
Government or rule by religious leaders or clergy.
Example
Theocrasy often merges religious authority with political power.
神権政治はしばしば宗教的権威と政治的権力を融合させます。
C2 adjective /prəˈhɪbɪtɔːri/

prohibitory

禁止的な
Meaning
Serving or tending to prohibit or forbid.
Example
The prohibitory laws were strictly enforced in the region.
禁止的な法律は地域で厳しく適用された。
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 verb /ˈrævəl/

ravel

絡まる / 解く
Meaning
to tangle or complicate; to untangle or unravel depending on context
Example
She began to ravel the loose threads of the sweater.
彼女はセーターのゆるい糸をほどき始めました。
C2 noun /ˈɡæliən/

galleon

ガレオン船
Meaning
A large sailing ship used mainly by Europeans from the 16th to 18th centuries.
Example
The Spanish galleon carried treasures across the Atlantic.
スペインのガレオン船は大西洋を越えて財宝を運んだ。
C2 noun /ˈnɛkrəˌmænsər/

necromancer

Meaning
a person who practices necromancy; a wizard or magician who claims to communicate with the dead
Example
The villagers feared the old necromancer who lived at the edge of the forest.
C2 adjective /vaɪˈtjuːpərəbl̩/

vituperable

非難されるべき
Meaning
Deserving of blame, censure, or harsh criticism.
Example
His reckless actions made him vituperable in the eyes of his colleagues.
彼の無謀な行動は、彼を同僚の目には非難されるべき存在にしました。
C2 noun /ˈpɜːrkwɪzɪt raɪt/

perquisiteperquisiteright

職務に関連した特典の権利
Meaning
a legal right to certain benefits or privileges associated with a job or office
Example
The judge enjoyed certain perquisite rights attached to his position.
裁判官は自分の職位に関連した特典を享受していた。
C2 noun /ˈɡɑːrɡɔɪl/

gargoyle

石の彫刻(グロテスクな形)
Meaning
A carved stone figure, often of a grotesque creature, on a building, typically used as a spout to carry water away.
Example
The ancient cathedral had gargoyles on every corner.
古代の大聖堂には、すべての角にガーゴイルがありました。
C2 adjective /ɪnˈɡreɪʃiˌeɪtɪŋ/

ingratiating

お世辞を言う
Meaning
Charming or flattering in a way intended to gain favor.
Example
His ingratiating smile made everyone trust him quickly.
彼のお世辞を言う笑顔は、すべての人々に彼を素早く信頼させた。
C2 noun /ˈkɒɡ.nɪ.zəns/

cognizance

認識
Meaning
Awareness, knowledge, or understanding of something; conscious perception.
Example
The judge took cognizance of the new evidence.
裁判官は新しい証拠に気づいた。
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

シンクロニズム
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
ダンサーの動きのシンクロニズムは観客を驚かせました。
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 verb /rɛnd/

rend

引き裂く
Meaning
to tear something apart violently or forcefully
Example
The explosion rent the air with a deafening noise.
爆発は耳をつんざくような音で空気を引き裂いた。
C2 noun /ˈmɪsənˌθroʊp/

misanthrope

人間嫌い
Meaning
a person who dislikes or distrusts humankind
Example
The old man was considered a misanthrope who avoided all social gatherings.
その老人は、すべての社交的な集まりを避けるミサントロープと見なされていました。
C2 noun /ˌæntɪˈtɒksɪn/

antitoxin

抗毒素
Meaning
A substance that neutralizes a specific toxin in the body.
Example
The doctor administered an antitoxin to counter the snake venom.
医師は蛇の毒を無効にするために抗毒素を投与しました。
C2 noun /ˈvoʊkəbəl/

vocable

語彙
Meaning
a word, term, or sound that has meaning
Example
The dictionary contained thousands of vocables from different languages.
辞書には、さまざまな言語からの何千もの語彙が含まれていました。
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 noun /ˌsɜːrkəmləˈkjuːʃn/

circumlocution

遠回しの言い回し
Meaning
the use of many words when fewer would do, especially to avoid stating something directly
Example
The politician's speech was filled with circumlocution.
政治家のスピーチは遠回しの言い回しで満ちていた。
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 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 /ˌɪn.trəˈɡreʃ.ən/

introgression

遺伝子流入
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
イントログレッションは植物育種において重要な役割を果たします。