trudge
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C1 verb /trʌdʒ/

trudge

足を引きずって歩く
Meaning
To walk slowly and with heavy steps, typically because of exhaustion or harsh conditions.
Example
They had to trudge through the snow to reach the village.
彼らは村に到達するために雪の中を足を引きずって歩かなければならなかった。
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

洋裁師
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
洋裁師は花嫁のために美しいドレスを作った。
C1 verb /ɡeɪp/

gape

口を開けて見つめる
Meaning
to stare with mouth wide open; to be wide open
Example
The crowd gaped at the amazing magic trick.
観客は驚くべき魔法のトリックを見て口を開けていました。
C1 noun /dɪsˈlɛksiə/

dyslexia

ディスレクシア
Meaning
A learning disorder characterized by difficulty reading due to problems identifying speech sounds and decoding words.
Example
The teacher used special methods to help the student with dyslexia.
先生はディスレクシアの学生を助けるために特別な方法を使いました。
C1 verb /sɪft/

sift

ふるいにかける / 注意深く調べる
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
ケーキのミックスに加える前に、小麦粉をふるいにかけました。
C1 verb /rɒmp/

romp

楽しく遊ぶ
Meaning
to play or move in a lively, carefree, and energetic way
Example
The children romped happily in the garden.
子供たちは庭で楽しそうに遊んでいました。
C1 noun /aɪl/

isle

小さな島
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
彼らは美しい熱帯の島でハネムーンを過ごしました。
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

貿易禁止
Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
国連は武器輸出に対して禁輸を課しました。
C1 noun /pɔl/

Pall

棺の上に広げる布; 陰鬱な雰囲気を作り出す暗いカバー
Meaning
a cloth spread over a coffin; a dark covering that creates a gloomy atmosphere
Example
A pall of smoke hung over the burning building.
煙のヴェールが燃える建物の上に掛かっていた。
C1 verb /siːð/

seethe

怒りで煮えたぎる
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
彼女は不公平な決定の後、怒りで煮えたぎっていました。
C1 adjective /ʃrɪl/

shrill

鋭い音
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
鋭い口笛の音が部屋の中の全員を驚かせた。
C1 noun /ˈpʌntʃ laɪn/

punch line

パンチライン
Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
みんな彼のジョークのパンチラインで大笑いした。
C1 noun /kəˈloʊkwiəˌlɪzəm/

colloquialism

口語表現
Meaning
a word or phrase used in informal speech or writing
Example
The novel is full of regional colloquialisms.
その小説は地域の口語表現で満ちている。
C1 preposition /əˈtɒp/

atop

上に
Meaning
on the top of something
Example
A flag was placed atop the tower.
旗は塔の上に置かれました。
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

軽率
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
公衆の面前で計画について言及するのは軽率だった。
C1 verb /ˈhæmpər/

hamper

妨げる
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
強い雨が私たちの旅行計画を妨げました。
C1 adjective /traɪt/

trite

陳腐な
Meaning
Overused and lacking originality.
Example
The speech was full of trite phrases.
スピーチは陳腐なフレーズでいっぱいだった。
C1 verb /ˈtræmpəl/

trample

Meaning
to tread heavily on something and cause damage or injury
Example
The crowd trampled the flowers in the park.
C1 verb /dɪˈstɪl/

distill

Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
C1 noun /ˈrɛl.ɪk/

relic

遺物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物館には古代文明の遺物が展示されていました。
C1 adjective /səbˈsɪd.i.ər.i/

Subsidiary

子会社の; 二次的な; 子会社に関連する
Meaning
less important than the main thing; secondary; of or relating to a subsidiary company
Example
The subsidiary company handles all overseas operations.
子会社はすべての海外業務を管理しています。
C1 verb /ˈmɪŋɡl/

mingle

Meaning
to mix or combine; to move among people and engage socially
Example
Guests mingled at the party, chatting and laughing together.
C1 verb ˈɛk.spɪ.daɪt

expedite

迅速化する
Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
政府は承認プロセスを迅速化するための措置を講じた。
C1 verb/noun /ˈkwɪbəl/

quibble

Meaning
To argue or raise objections about a trivial matter; a petty objection.
Example
They quibbled over who should pay the bill.
C1 noun /kræɡ/

crag

急な崖や岩の面
Meaning
a steep or rugged cliff or rock face
Example
The hikers climbed the jagged crag to reach the summit.
ハイカーたちは頂上に到達するために険しい崖を登った。
C1 verb /ˈwɒb.l̩/

wobble

揺れる
Meaning
to move unsteadily from side to side; to shake or tremble slightly
Example
The table began to wobble when he leaned on it.
彼がそれに寄りかかったとき、テーブルは揺れ始めました。
C1 noun /doʊ/

doe

雌鹿
Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
雌鹿とその子鹿は草原で草を食べていました。
C1 adjective /ˈviːnəs/

venous

静脈の
Meaning
relating to the veins that carry blood to the heart
Example
The doctor examined the patient’s venous circulation.
医者は患者の静脈循環を検査しました。
C1 verb /aʊtˈlæst/

outlast

他より長く続く
Meaning
to continue longer than; to endure beyond someone or something else
Example
The old castle has outlasted many generations.
その古い城は多くの世代を超えて生き残りました。
C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

集合体, 総体
Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
データは市場のより明確な画像を提供するために集約されました。
C1 adjective /ˌpærəˈdɒksɪkəl/

paradoxical

逆説的
Meaning
Seemingly contradictory or opposed to common sense, yet possibly true.
Example
It is paradoxical that standing is often more tiring than walking.
立っていることが歩くことよりも疲れるのは逆説的です。
C1 verb /əˈnʌl/

annul

取り消す
Meaning
to declare something legally invalid or cancel it
Example
The court decided to annul the marriage due to fraud.
裁判所は詐欺のために結婚を取り消すことを決定しました。
C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
C1 noun /ˈtʃɪz.əl/

Chisel

彫刻刀
Meaning
a tool with a sharp flat edge used for cutting or shaping wood, stone, or metal
Example
The carpenter used a chisel to carve the wood.
大工は木を彫るために彫刻刀を使いました。
C1 noun /ˈliːweɪ/

leeway

余裕
Meaning
Freedom to act within certain limits; extra space or time.
Example
The manager gave the team some leeway to finish the project.
マネージャーはチームにプロジェクトを終了するための余裕を与えました。
C1 verb /prəˈlɪf.ə.reɪt/

proliferate

急速に増加する
Meaning
To increase rapidly in numbers; to grow or spread quickly and extensively.
Example
Startups tend to proliferate in a thriving economy.
スタートアップは、活況を呈している経済で急速に増加する傾向があります。
C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顧
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
回顧すると、その決定は賢明ではなかったように思えた。
C1 adjective ˌɪn.təˈstel.ər

interstellar

星間の、インターステラ、宇宙の
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
科学者たちはインターステラ旅行の可能性を研究しています。
C1 noun /krəˈʃɛndoʊ/

crescendo

音量の段階的増加
Meaning
a gradual increase in loudness or intensity, especially in music
Example
The orchestra built to a powerful crescendo before the finale.
オーケストラはフィナーレの前に強力なクレッシェンドを築いた。
C1 verb /ˈsætəˌraɪz/

satirize

風刺する
Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
その劇は現代の企業の貪欲さを風刺しています。
C1 noun /prəˈspɛktəs/

prospectus

募集要項
Meaning
a printed document that advertises or describes a school, business, or investment offering
Example
The university sent out a prospectus to attract new students.
大学は新しい学生を引き付けるために募集要項を送った。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信者
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
その有名な哲学者には多くの弟子がいて、彼の教えを世界中に広めました。
C1 verb /ˈmɛdəl/

meddle

他人の問題に干渉する
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
彼はいつも他人の事に口を出そうとする。
C1 verb /ˈænɪmeɪt/

animate

アニメーションする
Meaning
to bring to life or make lively; to create animation for films or cartoons
Example
The artist will animate the characters for the movie.
アーティストは映画のキャラクターをアニメートします。
C1 noun /pʌnˈdʒɑː.bi/

Punjabi

パンジャビ
Meaning
a traditional long shirt worn in South Asia, typically loose-fitting
Example
He wore a white punjabi for the festival celebration.
彼は祭りのために白いパンジャビを着ていました。
C1 adjective /ˈnɪp.i/

Nippy

寒い; ひんやり; 動きが速くて敏捷
Meaning
cold; chilly; quick and agile in movement
Example
It's quite nippy outside today, you should wear a jacket.
今日は外がかなり寒いので、ジャケットを着るべきです。
C1 adjective /ʃruːd/

Shrewd

賢い; 鋭い; 分別のある
Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
その賢いビジネスマンは、競争の激しい市場で利益を上げる取引をしました。
C1 noun /blɜːrb/

blurb

宣伝文
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
本の裏表紙にはその小説を称賛する宣伝文があった。
C1 noun /ˈiːɡoʊɪst/

egoist

エゴイスト
Meaning
A person who is excessively concerned with themselves; someone who believes in or practices egoism.
Example
She avoided him because he was a selfish egoist.
彼女は彼を避けていた、なぜなら彼は利己的なエゴイストだったから。
C1 noun /ˈɡlɒs.ər.i/

Glossary

用語集
Meaning
an alphabetical list of terms in a particular domain of knowledge with explanations; a brief dictionary
Example
The textbook includes a helpful glossary at the end to define technical terms.
教科書の最後には技術的な用語を定義するための役立つ用語集があります。
C1 verb /ˈfɪdʒɪt/

fidget

そわそわする、落ち着かない
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
子供は長い講義中に落ち着かなくなり始めました。
C1 noun /æɡˈnɒs.tɪk/

agnostic

アグノスティック
Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
彼は自分を無神論者ではなくアグノスティックだと説明した。
C1 verb /riːl/

reel

つまずく / 巻き取る
Meaning
to lose balance and stagger; to wind or spin something onto a reel
Example
He reeled backward after being punched.
彼は殴られた後、後ろに転んだ。
C1 adjective /ˌret.rəˈspek.tɪv/

Retrospective

回顧的な
Meaning
looking back on or dealing with past events or situations
Example
The museum held a retrospective exhibition of the artist's work.
美術館はその画家の作品の回顧展を開催した。
C1 noun /haʊnd/

Hound

猟犬
Meaning
a dog bred for hunting, typically having a keen sense of smell
Example
The bloodhound tracked the scent through the dense forest.
ブルッドハウンドは密な森の中で匂いを追跡しました。
C1 adjective /ˈpəʊ.tənt/

Potent

強力な; 効果的な; 影響力のある
Meaning
having great strength, power, or effect; influential
Example
The medicine is very potent and should be taken carefully.
その薬は非常に強力であり、慎重に服用すべきです。
C1 adjective /bɪˈriːvd/

Bereaved

悲嘆に暮れる
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
悲嘆に暮れる家族は多くの弔辞を受け取った。
C1 noun /pərˈvɜr.sə.ti/

Perversity

頑固; 逆行;
Meaning
deliberate determination to behave in an unreasonable or unacceptable way; the quality of being contrary or obstinate
Example
His perversity in refusing help frustrated everyone.
彼のパーヴァーシティは、助けを断ることで皆を困らせた。
C1 adjective + noun ʌnˈpresɪdentɪd ˈnɒlɪdʒ

unprecedented knowledge

前例のない知識
Meaning
Information or understanding that has never been obtained or achieved before.
Example
Artemis will provide unprecedented knowledge about the solar system.
アルテミスは太陽系に関する前例のない知識を提供する。
C1 noun /bəˈtɒn/

baton

Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
C1 noun /taɪˈkuːn/

tycoon

大富豪
Meaning
a wealthy, powerful businessperson
Example
The real estate tycoon invested in several skyscrapers.
不動産の大富豪は複数の超高層ビルに投資しました。
C1 noun /wedʒ/

Wedge

くさび; ける; 割る
Meaning
a triangular piece of wood or metal used for splitting or securing; a piece of cheese or cake
Example
He used a wooden wedge to split the log into smaller pieces.
彼は木のくさびを使って丸太を小さな部分に割りました。
C1 noun /dʒest/

Jest

冗談; いたずら
Meaning
a thing said or done for amusement; a joke
Example
His comment was made in jest, not to offend anyone.
彼のコメントは冗談で言われたもので、誰かを傷つけるためではなかった。
C1 verb /bloʊt/

bloat

膨らむ
Meaning
to swell or cause to swell, often due to fluid or gas
Example
Eating too much junk food can bloat your stomach.
ジャンクフードを食べすぎると、あなたの胃が膨らむことがあります。
C1 noun /ˈrʌfiən/

Ruffian

暴力的な人物; 不良;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
不良は店主を金のために脅した。
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

興奮した
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
彼女はマラソンを終えた後、とても興奮していた。
C1 verb /ˈwɪð.ər/

wither

枯れる
Meaning
to dry up and die, typically used for plants
Example
The flowers will wither without enough water.
花は十分な水がないと枯れてしまう。
C1 adjective /ˈflæɡɪŋ/

flagging

疲れる、弱くなる、または熱意を失う
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
長時間働いた後、彼のエネルギーは衰えていた。
C1 verb, noun /mɛʃ/

mesh

メッシュ, 絡ませる
Meaning
To fit or work together properly; or a material made of interlaced threads.
Example
The two gears mesh perfectly to keep the machine running smoothly.
二つの歯車が完璧に噛み合って、機械がスムーズに動く。
C1 noun məˌtɪərɪəˈlɪstɪk ˈlaɪfstaɪl

materialistic lifestyle

物質主義的なライフスタイル
Meaning
A way of living focused on acquiring material possessions and wealth.
Example
A materialistic lifestyle often leads to moral decline.
物質主義的なライフスタイルは、しばしば道徳的な堕落を招く。
C1 noun /ˈkætərækt/

cataract

白内障 / 滝
Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
その高齢の男性は両目に白内障を患っていました。
C1 noun /sɪˈnɪləti/

senility

老衰
Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
彼の忘れっぽさは老衰によるものとされました。
C1 noun /ˈstreɪnər/

Strainer

こし器
Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
パスタの水を切るためにこし器を使ってください。
C1 noun /frɪˈvɒləti/

frivolity

軽薄さ
Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
先生は試験中の軽薄な行動を戒めました。
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

平等主義者
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
新しい法律は平等主義の社会を促進します。
C1 noun /ˈpæʃ.ən ˌflaʊ.ər/

Passion flower

パッションフラワー
Meaning
A climbing plant with intricate, colorful flowers; also refers to royal poinciana tree with red-orange blooms
Example
The passion flower vine covered the garden wall with beautiful blooms.
パッションフラワーのつるが美しい花で庭の壁を覆いました。
C1 noun /ˈplʌn.dər.ər/

Plunderer

略奪者
Meaning
a person who steals goods, especially during war or civil disorder
Example
The plunderers ransacked the village after the battle.
戦いの後、略奪者たちは村を荒らしました。
C1 adjective /ˈtɛnəbl/

tenable

防御可能な
Meaning
able to be defended or maintained against attack or objection
Example
His argument was strong and tenable in court.
彼の主張は強力で、法廷で防御可能だった。
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

扶養費
Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
裁判所は彼に元妻に毎月の扶養費を支払うよう命じた。
C1 verb /ˈbɪkər/

bicker

些細なことで言い争う
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
子供たちは最後のケーキの一切れをめぐって言い争いを始めた。
C1 noun /təˈlɛfəni/

telephony

電話技術
Meaning
the technology and systems for transmitting voice over distances by telephone
Example
Modern telephony has evolved to include internet-based calls.
現代のテレフォニーはインターネットベースの通話を含むように進化しました。
C1 noun /ˌvəʊ.kəl.aɪˈzeɪ.ʃən/

vocalization

発声、言葉での感情や考えの表現
Meaning
The action of producing sounds with the voice; the expression of thoughts or feelings in spoken words.
Example
The vocalization of the singer captivated the audience.
歌手のボカライゼーションは観客を魅了した。
C1 noun /rɪˈmɪt.əns/

Remittance

送金
Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
その国の経済は、移住者からの送金によって利益を得ている。
C1 verb /ɡleɪz/

glaze

グレーズ
Meaning
to cover with a smooth, shiny surface; to coat with a glossy finish
Example
The chef glazed the cake with chocolate.
シェフはケーキにチョコレートをグレーズしました。
C1 adjective /ˈspɑːrtn/

spartan

スパルタン
Meaning
showing simplicity and lack of luxury; austere
Example
He lived in a spartan room with just a bed and a chair.
彼はスパルタンな部屋に住んでいて、ベッドと椅子だけがありました。
C1 adjective /kənˈɡrɛʃənl/

congressional

議会の
Meaning
relating to a congress, especially the US Congress
Example
The bill received strong congressional support.
その法案は強力な議会の支持を得た。
C1 adjective /ˌpæn.əˈræm.ɪk/

panoramic

パノラマビュー
Meaning
Giving a wide view of an extensive area in all directions.
Example
The hotel offers panoramic views of the ocean.
ホテルは海のパノラミックビューを提供します。
C1 noun /ˌdʒiːniˈælədʒi/

genealogy

系図学
Meaning
The study and tracing of lines of descent or family history.
Example
She spent years researching her family's genealogy.
彼女は家族の系図学を研究するのに何年も費やしました。
C1 adjective /dɪˈvaʊt/

devout

献身的
Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
彼は毎日祈る献身的な信者です。
C1 adjective /ˈɜːr.nɪst/

Earnest

真剣な; 本物の; 深い信念を示す
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
彼は問題を解決するために真剣な試みをしました。
C1 verb /kənˈviːn/

convene

集まる、会議や集会を召集する
Meaning
to come together or assemble, especially for a meeting or formal gathering
Example
The board will convene tomorrow to discuss the new policy.
ボードは明日新しい方針を議論するために召集されます。
C1 noun /rɑk sɔlt/

Rock Salt

岩塩
Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
岩塩はテーブルソルトよりも健康的だと考えられています。
C1 noun /bɜːrθ/

Berth

寝台; 船、列車、または他の乗り物で寝る場所
Meaning
a sleeping place in a ship, train, or other vehicle; a place where a ship can dock
Example
I booked an upper berth on the overnight train.
私は夜行列車で上段の寝台を予約しました。
C1 verb /rɪˈdrɛs/

redress

是正する
Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
その会社は顧客の苦情を是正すると約束しました。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 noun /eb/

Ebb

干潮; 満ち引き
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
漁師たちは岸に戻る前に干潮を待っていた。
C1 adverb /ˈæmpli/

amply

十分に
Meaning
more than sufficiently; generously
Example
She was amply rewarded for her hard work.
彼女は努力の結果、十分に報われました。
C1 noun ˈstræt.ə.sfɪər

stratosphere

成層圏
Meaning
The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.
Example
The stratosphere provides a unique environment.
成層圏は特別な環境を提供します。
C1 noun /ˈtrɪviə/

trivia

雑学
Meaning
Details or information that are considered unimportant or of little value.
Example
The quiz was filled with fun trivia about movies and music.
クイズは映画や音楽に関する楽しい雑学で満たされていました。
C1 noun /ˌpɜːrmjuˈteɪʃən/

permutation

置換
Meaning
An arrangement or reordering of elements, often in mathematics or logic.
Example
The puzzle can be solved by trying all possible permutations of the tiles.
パズルはタイルのすべての可能な置換を試すことで解決できます。
C1 noun /ˈʃæpəroʊn/

chaperon

付き添い人
Meaning
An older person who accompanies and supervises young people in social situations.
Example
The teacher acted as a chaperon during the school dance.
先生は学校のダンスで付き添い人として行動しました。
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
C1 adjective /rɪˈpɛlənt/

repellent

忌避剤
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
このクリームは蚊除けとして非常に効果的です。
C1 adverb /ɪnˈvɜːrs.li/

Inversely

逆に; 反対に
Meaning
in a way that is opposite or contrary; in reverse order or manner
Example
The price of goods is inversely related to their availability in the market.
商品の価格は市場での入手可能性に逆に関連しています。
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

免責
Meaning
To clear someone from blame or accusation.
Example
The court exonerated her from all charges.
裁判所は彼女をすべての告発から免除しました。
C1 adjective /əbˈzɜːrvənt/

Observant

観察力のある
Meaning
quick to notice things; watchful; attentive
Example
The observant detective noticed every small detail at the crime scene.
観察力のある探偵は犯罪現場のあらゆる小さな詳細に気づきました。
C1 noun /əˌsaɪˈniː/

assignee

受領者
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
契約のアサイニーはすべての将来の義務に責任を負います。
C1 adjective /ˈɡræn.jʊ.lər/

granular

粒状の
Meaning
Consisting of small grains or particles; detailed and specific.
Example
The report provided a granular analysis of the market data.
レポートは市場データの詳細な分析を提供しました。
C1 verb /ɪnˈsɜːrkəl/

encircle

囲む
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
抗議者は人間の鎖で建物を囲んだ。
C1 verb /ˈslɪðər/

slither

滑る
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
ヘビは草の中を滑って進んだ。
C1 noun /lʌst/

Lust

強い性的欲求；何かへの情熱的な欲望
Meaning
very strong sexual desire; a passionate desire for something
Example
His lust for power corrupted him completely.
彼の権力への欲望は彼を完全に腐敗させた。
C1 verb /daɪˈluːt/

dilute

薄める
Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
子供たちに出す前にジュースを水で薄めるべきです。
C1 adjective /ɡrəˈtjuːɪtəs/

gratuitous

不必要な
Meaning
Unnecessary, unwarranted, or given freely without reason or cause.
Example
The movie was criticized for its gratuitous violence.
その映画は不必要な暴力で批判された
C1 noun /dɪˈsiːt/

Deceit

欺瞞; 詐欺; 嘘
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
彼の欺瞞は、彼の資格についての真実が明らかになったときに発覚しました。
C1 verb /sɪˈdjuːs/

seduce

Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
C1 verb /ˈpʌməl/

pummel

殴りつける
Meaning
To strike repeatedly with the fists; to beat or hit forcefully.
Example
The boxer pummeled his opponent in the final round.
ボクサーは最終ラウンドで相手を激しく殴りつけた。
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

洞察力、分析能力
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
彼の洞察力は複雑な問題を解決するのに役立ちました。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
C1 verb /ɪkˈstoʊl/

extol

称賛する
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
先生は生徒の献身と努力を称賛しました。
C1 adjective /ˌhæpˈhæz.ɚd/

haphazard

無秩序
Meaning
Lacking any obvious principle of organization; random.
Example
His haphazard approach led to project failure.
彼の無秩序なアプローチはプロジェクトの失敗を引き起こした。
C1 verb; noun /beltʃ/

belch

げっぷをする
Meaning
to expel air noisily from the stomach through the mouth; to emit or pour out suddenly and forcefully
Example
After drinking the soda, he belched loudly.
ソーダを飲んだ後、彼は大きなげっぷをした。