artlessness
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C2 noun /ˈɑːrtləsnəs/

artlessness

素朴さ, 自然さ
Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.
彼女のartlessnessは、彼女をみんなに愛される存在にした。
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 adjective /ˈprɒmɪsəri/

promissory

約束的
Meaning
Containing or conveying a promise, especially in writing.
Example
He signed a promissory note to repay the loan.
彼はローンを返済するために約束手形にサインしました。
C2 noun /ˈtrɛntʃərmən/

trencherman

大食い
Meaning
a person who eats in a hearty or robust manner; a big eater
Example
The trencherman devoured the feast with great enthusiasm.
その大食いは大きな熱意でご馳走を食べました。
C2 noun /ˈpɔːrfəri/

porphyry

硬い火成岩
Meaning
A hard igneous rock containing crystals, often used for decorative or building purposes.
Example
The ancient Romans used porphyry to make columns and statues.
古代ローマ人はポルフィリを使って柱や彫像を作った。
C2 noun /ˈvɪtrioʊl/

vitriol

辛辣な批判
Meaning
harsh and bitter criticism
Example
The politician faced vitriol from the public.
政治家は一般市民から辛辣な批判に直面した。
C2 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

挿入する
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
編集者は原稿に欠落した段落を挿入した。
C2 verb /ˌdɪskəˈmoʊd/

discommode

邪魔する
Meaning
To cause inconvenience or trouble to someone.
Example
I hope my request does not discommode you.
私のリクエストがあなたに不便をかけないことを願っています。
C2 noun /ˈdʒɪŋɡoʊˌɪzəm/

jingoism

過激な愛国主義
Meaning
extreme patriotism expressed in aggressive foreign policy
Example
The politician's speech was filled with jingoism.
その政治家の演説はジンゴイズムに満ちていました。
C2 verb /kənˈdʒɔɪn/

conjoin

結合する
Meaning
to join together or unite; to combine
Example
The two rivers conjoin just before reaching the sea.
2つの川は海に到達する直前に合流します。
C2 verb /ˈlaɪ.ə.naɪz/

lionize

賛美する
Meaning
to treat someone as a celebrity or give a lot of public attention
Example
The press began to lionize the young scientist after his discovery.
彼の発見の後、メディアは若い科学者をライオナイズし始めました。
C2 adjective /fəˈlɪsɪtəs/

felicitous

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

invulnerable

無敵
Meaning
Impossible to harm, damage, or defeat.
Example
The fortress was thought to be invulnerable to attack.
その要塞は攻撃に対して無敵だと考えられていた。
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

前兆
Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
春の最初のコマドリは、来るべき暖かい天気の前兆と見なされることがよくあります。
C2 verb /frɪsk/

frisk

ボディチェックする
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
セキュリティガードは入口でその男性をフリスクしました。
C2 noun /kɒŋk/

Conck

Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
司祭は儀式の開始を知らせるためにコンクの貝を吹きました。
C2 noun /ˈmʌŋɡrəl/

mongrel

雑種犬
Meaning
A dog of mixed breed; sometimes used to describe something mixed or of inferior quality.
Example
The stray dog was a friendly mongrel.
その野良犬は友好的な雑種犬だった。
C2 adjective /lɪˈbɪdənəs/

libidinous

淫ら
Meaning
Showing excessive sexual drive; lustful.
Example
The play was criticized for its libidinous characters.
その劇は淫らなキャラクターで批判された。
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

幸福
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C2 verb /əˈkuːtə/

accoutre

装備する
Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
騎士は輝く鎧で装備されていました。
C2 adverb /əˈsʌndər/

asunder

バラバラに
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古代の帝国は戦争でバラバラにされてしまった。
C2 adjective /ˈwɪnsəm/

winsome

魅力的
Meaning
pleasant and attractive in a fresh, innocent, or charming way
Example
Her winsome smile instantly put the nervous guests at ease.
彼女の魅力的な笑顔は、緊張していたゲストをすぐに安心させました。
C2 noun /ˈfeɪlæŋks/

phalanx

ファランクス
Meaning
A group of people or things arranged in a compact, close formation; also an ancient Greek military formation.
Example
A phalanx of reporters waited outside the courthouse.
報道陣のファランクスが裁判所の外で待っていた。
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

ハイビスカス
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
鮮やかな赤いハイビスカスの花が家の入口を飾った。
C2 noun /nɛl/

knell

鐘の音
Meaning
The sound of a bell, especially when rung solemnly for a death or funeral; a signal of the end or failure of something.
Example
The knell of the church bell echoed through the valley at dusk.
教会の鐘の音が夕暮れ時に谷を響き渡った。
C2 verb /pərˈtɪkjələrˌaɪz/

particularize

詳細に述べる
Meaning
to mention or describe something in detail
Example
The witness was asked to particularize the events of that night.
証人はその夜の出来事を詳細に説明するように求められました。
C2 noun /ˌrækənˈtɜːr/

Raconteur

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

acquiesce

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

mangy

汚くて使い古された
Meaning
in poor condition, shabby, dirty, or affected by mange
Example
The stray dog looked mangy and weak.
迷子の犬は汚れて弱々しく見えた。
C2 verb /ˈdʌmfaʊnd/

dumbfound

呆然とさせる
Meaning
to greatly astonish or shock someone so they are temporarily speechless
Example
The magician's trick dumbfounded the audience.
マジシャンの技は観客を呆然とさせた。
C2 adjective /ʌnˈsʌlid/

unsullied

汚れのない
Meaning
not spoiled or made impure; perfectly clean or pure
Example
His reputation remained unsullied despite the accusations.
彼の評判は告発にもかかわらず汚れのないままでした。
C2 noun /ˈpʌlkrɪˌtjuːd/

pulchritude

美しさ
Meaning
physical beauty
Example
The actress was admired for her pulchritude as well as her talent.
その女優は美しさと才能で賞賛されました。
C2 adjective /ˈpʌkɪʃ/

puckish

いたずら好き
Meaning
playfully mischievous
Example
The child gave a puckish grin before hiding the toy.
子供はおもちゃを隠す前にいたずらっぽい笑顔を見せました。
C2 noun /prɪˈsɛʃən/

precession

歳差
Meaning
The slow movement of the axis of a spinning body around another axis, often referring to Earth's rotation.
Example
Astronomers study the precession of the equinoxes.
天文学者は春分点の歳差を研究しています。
C2 noun /ˌtrænsfəˈriː/

transferee

譲受人
Meaning
A person to whom a right, property, or responsibility is transferred.
Example
The transferee must sign the contract before taking ownership.
譲受人は所有権を取得する前に契約書に署名しなければならない。
C2 noun /ˈdʒaɪrəˌskoʊp/

gyroscope

Meaning
A device consisting of a wheel or disk mounted so it can spin rapidly and maintain orientation, used for navigation and balance.
Example
The airplane's navigation system relies on a gyroscope for stability.
C2 noun /lɒx/

loch

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

execrable

ひどい
Meaning
Extremely bad or unpleasant.
Example
The movie was so execrable that many people left the theater early.
その映画はひどすぎて、多くの人々が早く映画館を出て行きました。
C2 verb /ˈflʌməks/

flummox

困惑させる
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
その複雑なパズルは学生を困惑させた。
C2 noun /ruːd/

rood

十字架
Meaning
a crucifix, especially one positioned above the entrance to the chancel of a church
Example
The old church displayed a carved rood above the altar.
古い教会は祭壇の上に彫られた十字架を展示していました。
C2 noun /ˌmɪnəˈrɛt/

minaret

ミナレット
Meaning
A tall, slender tower of a mosque, from which the call to prayer is announced.
Example
The minaret of the mosque could be seen from miles away.
モスクのミナレットは数マイル先から見ることができました。
C2 noun /ˌbædɪˈnɑːʒ/

badinage

冗談、遊び心のある会話
Meaning
Playful and humorous conversation; banter.
Example
The friends enjoyed a light badinage over coffee.
友達はコーヒーを飲みながら軽い冗談を楽しみました。
C2 noun /ˌænɪmædˈvɜːʒən/

animadversion

批判
Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
その政策は公衆から厳しい批判を受けた。
C2 noun /ˈiːsθiːt/ or /ˈɛsθiːt/

aesthete

美術愛好家
Meaning
A person who has a special appreciation of art and beauty.
Example
The aesthete admired the subtle details of the painting.
エステートは絵画の微細なディテールを賞賛していました。
C2 adjective /ɪˈfɛktʃuəl/

effectual

効果的な
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
彼女の効果的な努力はコミュニティに平和をもたらしました。
C2 noun /ˈprɛlət/

prelate

高位の聖職者
Meaning
A high-ranking member of the clergy, especially a bishop or abbot.
Example
The prelate delivered a sermon to the congregation.
プレラートは会衆に説教を行った。
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

夜香木
Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
夜香木の木は日没後に小さな白い花を咲かせます。
C2 verb /ˈtæri/

tarry

遅れる
Meaning
To delay or linger; to stay longer than intended.
Example
Do not tarry, or you will miss the train.
遅れないで、さもないと電車に乗り遅れるよ。
C2 verb /ˈæntɪkweɪt/

antiquate

時代遅れにする
Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
デジタルカメラの台頭は、従来のフィルム写真を時代遅れにした。
C2 noun /ˈtɜːrnkoʊt/

turncoat

裏切り者
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
彼はライバルの政治党に参加した後、裏切り者と呼ばれました。
C2 verb /ænˈtɪpəθaɪz/

antipathize

反感
Meaning
to feel or express a strong dislike or aversion toward something or someone
Example
He seemed to antipathize with the new management's approach.
彼は新しい経営陣のアプローチに反感を示しているようだった。
C2 adjective /daɪˈɒsɪsən/

diocesan

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

skullduggery

不正行為
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
選挙は政治的不正行為に満ちていた。
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 /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 ˌæm.ɔː.tɪˈzeɪ.ʃən

amortization

償却
Meaning
The process of paying off debt with regular payments over time.
Example
The amortization schedule showed a 10-year repayment plan.
アモチゼーションスケジュールは10年間の返済計画を示しました。
C2 noun /ˈhɛptəˌɡɒn/

heptagon

七角形
Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
数学の先生は黒板にヘプタゴンを描きました。
C2 adjective /rɪˈfræɡəbəl/

refragable

反論可能な
Meaning
Capable of being refuted or disproved.
Example
His argument was weak and easily refragable.
彼の議論は弱く、簡単に反論可能だった。
C2 noun /ˈæmɪti/

amity

友情
Meaning
A friendly relationship between people or countries.
Example
The treaty helped maintain amity between the neighboring nations.
条約は隣国間の友情を維持するのに役立ちました。
C2 noun /θrɔːl/

thrall

Meaning
The state of being in someone's power or under strong influence; slavery or bondage.
Example
He was in thrall to the powerful leader.
C2 noun/verb /ˈkætˌkɔːl/

catcall

不快な口笛や叫び声
Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
女優は群衆からのキャットコールを無視しました。
C2 noun /doʊlt/

dolt

ばか
Meaning
A stupid or slow-witted person.
Example
Only a dolt would believe such a story.
そんな話を信じるのはばかだけだ。
C2 verb /ˈblʌdʒən/

bludgeon

鈍器で殴る
Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.
ガードは小道で攻撃者に鈍器で殴られた。
C2 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

洪水
Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
町は大雨後にひどい洪水に見舞われました。
C2 adjective /ˈrɪz.ə.bəl/

risible

滑稽な
Meaning
so absurd or ridiculous that it deserves to be laughed at
Example
The idea of flying pigs is completely risible.
飛ぶ豚のアイデアは完全に滑稽です。
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 /lɔːŋ ɡɔːrd/

Long gourd

長いウリ
Meaning
an elongated green vegetable belonging to the cucumber family, used in cooking
Example
She sliced the long gourd thinly for the stir-fry dish.
彼女はその長いウリを薄切りにして、炒め物に使いました。
C2 noun /ˈbrɪn.dʒəl/

Brinjal

ナス
Meaning
a large purple vegetable that is white inside; also called eggplant
Example
My mother cooked brinjal curry for lunch.
母は昼食にナスのカレーを作りました。
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 adjective /ˌsɒfəˈmɒrɪk/

sophomoric

未熟
Meaning
showing immaturity and overconfidence, like a sophomore
Example
His sophomoric behavior embarrassed his friends.
彼の未熟な行動は友人たちを恥ずかしい思いにさせた。
C2 noun /ˈʃɑːdənfrɔɪdə/

schadenfreude

他人の不幸を喜ぶこと
Meaning
pleasure derived from another person's misfortune
Example
He felt a sense of schadenfreude when his rival failed.
ライバルが失敗したとき、彼はシャーデンフロイデを感じた。
C2 adjective /tɛnˈdɛnʃəs/

tendentious

偏向的
Meaning
Expressing or promoting a particular cause or point of view, often biased.
Example
The article was criticized for its tendentious tone.
その記事は偏向的な口調で批判されました。
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 adjective /kəˈpeɪ.ʃəs/

Capacious

広々とした; 大きい; 広い;
Meaning
having a lot of space inside; roomy and spacious
Example
The capacious hall can accommodate five hundred people.
広々としたホールは五百人を収容できます。
C2 noun /brɪˈtæniə/

britannia

ブリタニア
Meaning
the personification of Britain, often shown as a woman with a helmet and shield
Example
Britannia has been a symbol of Britain since Roman times.
ブリタニアはローマ時代からイギリスの象徴です。
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 /brɔːn/

brawn

体力
Meaning
physical strength in contrast to intelligence
Example
He used his brawn to lift the heavy box.
彼は重い箱を持ち上げるために体力を使いました。
C2 noun /ˈpætwɑː/

patois

方言
Meaning
a regional or social dialect, especially one considered nonstandard or informal
Example
The guide slipped into local patois when chatting with the fishermen.
ガイドは漁師と話すときに現地のパトワを使い始めました。
C2 noun /kwiːn kreɪp ˈmɜːrtəl/

Queen crape myrtle

クイーンクレープマートル
Meaning
A flowering tree with colorful, crepe-like flowers, scientifically known as Lagerstroemia
Example
The Queen crape myrtle bloomed beautifully in the garden with its purple flowers.
クイーンクレープマートルは庭で紫色の花とともに美しく咲きました。
C2 adjective /ˈfʊtˌluːs/

footloose

自由な
Meaning
Free to go anywhere or do anything; not tied down by responsibilities.
Example
After graduating, he felt footloose and ready to explore the world.
卒業後、彼は自由を感じ、世界を探索する準備ができていました。
C2 adjective /rɪˈmjuːnərətɪv/

remunerative

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

Climbing lang lang

ランランのつる植物
Meaning
a climbing plant with fragrant flowers native to tropical regions
Example
The climbing lang lang vine produces beautiful fragrant flowers.
ランランのつる植物は美しい芳香の花を生産します。
C2 adjective /beɪˈkoʊniən/

baconian

ベコニアン
Meaning
Relating to the philosopher Francis Bacon or his method of scientific reasoning.
Example
The researcher followed a Baconian approach to observation and experimentation.
研究者は観察と実験のためにベコニアンアプローチを採用しました。
C2 noun /ˈɒfərtɔːri/

offertory

奉納
Meaning
The part of a religious service when offerings are collected; the offering itself.
Example
The offertory was taken during the Sunday service.
日曜日の礼拝中に奉納が取られました。
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

介入主義
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
中央銀行の介入主義はインフレの安定に役立った。
C2 verb /ˈbæstərdaɪz/

bastardize

歪める
Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
批評家たちはそのリメイクが原作を歪めたと言っている。
C2 adjective /ˈbrɪndl̩d/

brindled

ぶち模様
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
農家は特徴的なストライプのあるぶち模様の牛を飼っていた。
C2 noun /ˈsɪnəd/

synod

シノド
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
シノドは教会での改革について議論するために集まった。
C2 adjective /ˈruːmi/

rheumy

涙目
Meaning
Watery, especially referring to the eyes.
Example
His rheumy eyes showed signs of age and fatigue.
彼の涙目は年齢と疲れの兆しを示していた。
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 noun /ˈpær.əkˌsɪz.əm/

paroxysm

突然の爆発的な感情
Meaning
A sudden, violent outburst of emotion or activity.
Example
She was seized by a paroxysm of laughter.
彼女は突然の笑いの爆発に襲われた。
C2 noun /ˌmɔːzəˈliːəm/

mausoleum

霊廟
Meaning
A large stately building that houses a tomb or several tombs.
Example
The king was buried in a grand mausoleum.
王は壮大な霊廟に埋葬されました。
C2 noun /ˈpruːdəri/

prudery

Meaning
the behavior or attitude of people who are too easily shocked or offended by sexual matters
Example
His prudery often made others uncomfortable during open discussions.
C2 adjective /ˈvɒl.jʊ.bəl/

Voluble

おしゃべりな; 多弁な
Meaning
speaking fluently and readily; talkative; having a continuous flow of words
Example
The voluble salesman talked for hours about his products.
おしゃべりなセールスマンは自分の製品について何時間も話し続けました。
C2 adjective /trænzˈæl.paɪn/

transalpine

アルプスを越えて
Meaning
situated beyond or across the Alps, especially from the viewpoint of Italy
Example
The Romans referred to France as Transalpine Gaul.
ローマ人はフランスをトランザルピン・ガリアと呼んでいました。
C2 noun /ˈdʒʊntə/

junta

軍事政権
Meaning
A military or political group that rules a country after taking power by force.
Example
The junta seized power after the coup.
クーデター後、軍事政権が権力を掌握しました。
C2 verb /ˈfrɪzəl/

frizzle

食べ物をカリカリで縮れた状態にする
Meaning
to fry something until it becomes crisp and curled, or to make a sizzling noise
Example
The bacon began to frizzle in the pan.
ベーコンがフライパンでシズシズ音を立てながら焼け始めました。
C2 noun /æbˈsɪʒən/

abscission

葉の落下
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
秋は木々から葉が落ちることで特徴づけられます。
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.
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 noun /əˈɡrɒnəmɪst/

agronomist

農学者
Meaning
A scientist who studies soil management and crop production.
Example
The agronomist suggested new methods to improve rice yields.
農学者は、米の収穫量を改善するための新しい方法を提案しました。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
彼女は式典に新鮮なバラの花束を持って行った。
C2 adjective /pəˈlɛmɪkəl/

polemical

論争的
Meaning
relating to or involving strongly critical or controversial writing or speech
Example
She wrote a polemical article challenging traditional beliefs.
彼女は伝統的な信念に挑戦する論争的な記事を書いた。
C2 noun /ˈkwɒdrʊpɛd/

quadruped

Meaning
an animal that walks on four feet
Example
Most mammals are quadruped creatures adapted for running and stability.
C2 noun /ˈmiːliərɪzəm/

meliorism

改良主義
Meaning
The belief that the world tends to improve and that humans can aid its betterment.
Example
Her philosophy of meliorism kept her hopeful during difficult times.
彼女の改良主義的な哲学は、困難な時期に彼女を希望に満ちた状態に保ちました。
C2 adjective /ʌkˈsɔːriəs/

uxorious

妻に対して過度に愛情深い
Meaning
excessively fond of or submissive to one's wife
Example
He was so uxorious that he agreed with everything his wife said.
彼は妻に対してそれほどまでに uxorious で、妻が言ったことすべてに同意しました。
C2 noun /eɪˈklɑː/

eclat

大成功
Meaning
Brilliant success, acclaim, or great public approval.
Example
The artist's debut performance was met with great éclat.
アーティストの初めてのパフォーマンスは大成功を収めました。
C2 noun /dreɪk/

Drake

雄鴨
Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
そのドレイクは、家族のカモたちを池の向こうに連れて行きました。
C2 adjective /ˈkɒrɪdʒəbl/

corrigible

修正可能
Meaning
capable of being corrected or improved
Example
The student's mistakes were corrigible with practice.
学生の誤りは練習で修正可能でした。
C2 adjective /ɪkˈspɒzɪtəri/

expository

説明的
Meaning
intended to explain or describe something
Example
The teacher gave an expository lecture on the topic.
先生はそのトピックについて説明的な講義をしました。
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

勤勉な; 立派な;
Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
彼女は研究に勤勉で、毎日図書館で何時間も過ごしていました。
C2 verb /ˈkɒd.l̩/

coddle

過保護にする
Meaning
to treat someone with excessive care or kindness, often in a way that is overprotective
Example
Parents should support their children without coddling them.
親は子供を甘やかさずにサポートすべきです。
C2 verb /dɪˈkæpɪteɪt/

decapitate

幸せ
Meaning
To cut off the head of a person or animal.
Example
The ancient executioner decapitated the criminal.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C2 noun /ˌnjuːməˈreɪʃən/

numeration

数え方
Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
先生は学生たちに数え方の基本を説明しました。
C2 noun /ˈpɒntɪf/

pontiff

教皇または高位の司教
Meaning
the pope or a high-ranking bishop in the Christian church
Example
The pontiff addressed the nation in a televised speech.
教皇はテレビで国民に向けて演説を行いました。
C2 noun /ˌmɛtəfɪˈzɪʃən/

metaphysician

形而上学者
Meaning
A person who studies or is an expert in metaphysics.
Example
The metaphysician debated the essence of reality with his peers.
形而上学者は現実の本質について仲間たちと議論した。
C2 adjective /ˈnjuː.trɪ.tɪv/

nutritive

栄養のある
Meaning
Relating to nutrition; having nourishing qualities.
Example
The nutritive value of the fruit is very high.
果物の栄養価は非常に高いです。
C2 noun /ˈlæsi/

lassie

小さな女の子
Meaning
a young girl (informal, mainly Scottish)
Example
The old man greeted the little lassie warmly.
老人は小さな女の子を温かく迎えました。
C2 adjective /əˈprəʊ.bri.əs/

opprobrious

侮辱的な
Meaning
Expressing strong criticism or scorn.
Example
He made opprobrious remarks about his opponent.
彼は対戦相手に対して侮辱的な発言をしました。
C2 adverb /hərˈmɛtɪkli/

hermetically

密封的に
Meaning
In a way that is completely airtight or sealed off.
Example
The jars were hermetically sealed to preserve freshness.
瓶は新鮮さを保つために密封的に封印されました。
C2 verb /ˈbækˌslaɪd/

backslide

後退
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
数ヶ月の進展の後、彼は古い習慣に戻り始めた。