belle
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C2 noun /bɛl/

belle

美しい女性
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
彼女はその晩の舞踏会のベルでした。
C2 verb /əˈbʌt/

abut

隣接する
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
公園は北側で川と隣接しています。
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 /kəˈrɑːləri/

corollary

直接的または自然な結果
Meaning
a direct or natural consequence or result
Example
One corollary of the new policy was increased public awareness.
新しい政策の結果の一つは、公共の認識の向上でした。
C2 verb /əˈvɜːr/

aver

断言する
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
彼女は無罪だと主張した。
C2 noun /vɛnˈdɪʃən/

vendition

販売
Meaning
The act of selling; sale.
Example
The auction was a formal vendition of the estate's assets.
オークションは不動産の資産の正式な販売でした。
C2 adjective /dæŋk/

dank

湿っていて寒い
Meaning
unpleasantly damp and cold
Example
The basement was dark and dank, filled with a musty smell.
地下室は暗くて湿っていて、悪臭が充満していました。
C2 verb /ɪmˈbruː/

imbrue

汚す
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
戦いの後、彼の手は血で汚れていた。
C2 adjective /ˈklɛmənt/

clement

温和な / 慈悲深い
Meaning
mild or merciful; describing weather as mild and pleasant
Example
The prisoners hoped for a clement judge.
囚人たちは温和な裁判官を望んでいた。
C2 noun /ˈreɪləri/

raillery

友好的な冗談
Meaning
good-humored teasing or joking
Example
Their friendship was full of light-hearted raillery.
彼らの友情は軽い冗談で満ちていました。
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

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

aggradation

堆積物によって土地が作られるプロセス
Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.
アグレデーションは河川の自然な拡張を助けます。
C2 noun /ˈʌŋkʃən/

unction

聖別
Meaning
The act of anointing as part of a religious or ceremonial ritual; excessive or insincere flattery.
Example
The priest performed the holy unction with solemnity.
司祭は厳粛に聖別の儀式を行った。
C2 noun /ˈmaɪ.nə/

Mynah

マイナ
Meaning
a tropical bird with dark feathers that can mimic human speech
Example
The mynah bird repeated every word I said.
マイナの鳥は私が言ったすべての言葉を繰り返しました。
C2 noun /ˈstrɪndʒənsi/

stringency

厳格さ
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
新しい規則の厳格さはみんなを驚かせました。
C2 noun /əˈɡrɒnəmi/

agronomy

農業学
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
農業学は土壌管理と作物生産に焦点を当てています。
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

発表、良い知らせ
Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
教会は特別なサービスでアナンシエーションの祝祭を祝いました。
C2 noun /ˈkɪləˌliːtər/

kiloliter

キロリットル
Meaning
a unit of capacity equal to 1,000 liters
Example
The tank can hold up to three kiloliters of water.
タンクは最大で3キロリットルの水を保持できます。
C2 noun /ˈæntiˌkraɪst/

antichrist

反キリスト
Meaning
A person regarded as the supreme opponent of Christ, often seen as a figure of ultimate evil.
Example
Some people fear the rise of an Antichrist in the future.
一部の人々は未来に反キリストが現れることを恐れている。
C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道徳な; 不潔な;
Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
保守的な社会は彼女の行動を不道徳で不適切だと考えた。
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 adjective /fjuːˈnɪəriəl/

funereal

葬儀的
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
発表後、部屋は葬儀的な静けさで満たされた。
C2 noun /ˈprɛʃəns/ or /ˈpriːʃəns/

prescience

予知
Meaning
the ability to know or predict what will happen in the future
Example
Her prescience about market trends saved the company.
彼女の市場動向に対する予見は会社を救った。
C2 noun /ˈmɔːreɪz/

mores

風習
Meaning
the essential or characteristic customs and conventions of a community
Example
Social mores often dictate how people behave in public.
社会的な風習は、しばしば人々が公共の場でどのように振る舞うかを決定します。
C2 adjective /ˈbɛlɪˌkoʊs/

bellicose

戦闘的
Meaning
Showing a tendency to argue or fight; aggressive.
Example
His bellicose attitude often got him into unnecessary conflicts.
彼の戦闘的な態度はしばしば不必要な対立を引き起こした。
C2 noun /ˌɡæskəˈneɪd/

gasconade

誇張, 自慢
Meaning
Extravagant boasting or bragging.
Example
His endless gasconade made him unpopular among his peers.
彼の終わりのない自慢は彼を仲間の中で不人気にした。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

酒と楽しみの祭り
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小説はそのパーティーを過剰と喜びのバッカナリアとして描いています。
C2 noun /ˈtruːɪzəm/

truism

自明の理
Meaning
a statement that is obviously true and says nothing new or interesting
Example
It is a truism that hard work leads to success.
努力は成功に繋がるという自明の理です。
C2 noun /θiˈɒsəfi/

theosophy

テオソフィー
Meaning
A religious or philosophical belief system that seeks direct knowledge of the mysteries of life and the divine.
Example
Theosophy attracted people interested in mysticism and spiritual growth.
テオソフィーは神秘主義や精神的成長に興味を持つ人々を引き寄せた。
C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

収用
Meaning
The act of government taking private property, also known as confiscation, nationalization, or seizure.
Example
The land expropriation led to disputes among landowners.
土地の収用は土地所有者間で争いを引き起こしました。
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 adjective /rəˈpeɪ.ʃəs/

rapacious

貪欲
Meaning
having an extreme desire to take things for oneself, greedy
Example
The rapacious landlord raised the rent without reason.
貪欲な家主は理由もなく家賃を上げた。
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

コスモポリタニズム
Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
コスモポリタニズムは文化間の尊重と理解を促進します。
C2 adjective /ˈlɪmbər/

limber

柔軟で敏捷
Meaning
Flexible and agile in body or movement.
Example
Dancers need to stay limber to perform well.
ダンサーはうまく演技するために柔軟でいる必要があります。
C2 adjective /prɪˈpɒndərənt/

preponderant

優勢な
Meaning
Having superior weight, force, influence, or importance.
Example
The preponderant influence of the media shapes public opinion.
メディアの優勢な影響は、公共の意見を形成します。
C2 verb /lʌɡ/

lug

Meaning
to carry or drag something heavy or cumbersome with effort
Example
He had to lug the suitcase up three flights of stairs.
C2 adjective /ˈtriːkli/

treacly

過度に甘いまたは感傷的、蜜のような。
Meaning
Excessively sweet or sentimental, like treacle.
Example
The movie was too treacly for my taste.
その映画は私の味覚には甘すぎました。
C2 noun /ˈkɪŋʃɪp/

kingship

王権
Meaning
The position, dignity, or authority of a king.
Example
The king’s advisors often reminded him of the responsibilities of kingship.
王の顧問たちはしばしば彼に王権の責任を思い出させました。
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 noun /bɪˈtroʊðəl/

betrothal

婚約
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
彼らの婚約は村中に発表されました。
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 adjective /sərˈkjuːɪtəs/

circuitous

迂回路
Meaning
Longer than the most direct way; roundabout.
Example
He took a circuitous route to avoid traffic.
彼は渋滞を避けるために迂回路を取った。
C2 noun /ˈlɑːrdər/

larder

食料庫
Meaning
A place, such as a pantry, where food is stored.
Example
The larder was full of fresh bread and cheese.
食料庫は新鮮なパンとチーズでいっぱいでした。
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 /ˌlɛksɪˈkɒɡrəfər/

lexicographer

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

doggerel

低俗な詩
Meaning
Comic or irregular verse, often poorly constructed and lacking in artistic quality.
Example
The poet’s work was dismissed as mere doggerel by the critics.
詩人の作品は批評家によって単なる低俗な詩として却下された。
C2 noun /ˈpeɪpəsi/

papacy

教皇職
Meaning
The office or authority of the Pope in the Roman Catholic Church.
Example
The papacy played a significant role in medieval European politics.
教皇職は中世ヨーロッパの政治で重要な役割を果たした。
C2 noun /ˈæpəˌlɔːɡ/

apologue

道徳的な物語
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
教師は、子供たちに誠実さを説明するために古い道徳的な物語を使いました。
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

バターフィッシュ
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
バターフィッシュはベンガル料理で人気があります。
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 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

訂正
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
記事は印刷の準備ができる前にいくつかの訂正が必要でした。
C2 adjective /ˌɪndɪˈtɜːrmənət/

indeterminate

不確定
Meaning
Not exactly known, defined, or established; vague or uncertain.
Example
The project was delayed for an indeterminate amount of time.
プロジェクトは不確定な期間に延期されました。
C2 verb /ˌmɪsˈleɪ/

mislay

一時的に失う
Meaning
to lose something temporarily by putting it in the wrong place
Example
I must have mislaid my keys somewhere in the house.
私は家のどこかで鍵を一時的に失ったに違いない。
C2 noun /ˈpriːskrɪpt/

prescript

規定
Meaning
An authoritative rule or direction; something laid down as a command.
Example
The prescript of the organization required strict punctuality.
その組織の規定は厳格な時間厳守を要求していた。
C2 noun /ˈmʌɡwʌmp/

mugwump

政党に属さない人
Meaning
a person who remains independent from party politics or remains aloof from disputes
Example
He was called a mugwump for refusing to join either political side.
彼は政治的な立場に参加しないことを拒否したため、マグワンプと呼ばれました。
C2 verb /ɪnˈsɪnəˌreɪt/

incinerate

焼却する
Meaning
to burn something completely until it is reduced to ashes
Example
The city decided to incinerate the medical waste for safety.
その都市は安全のために医療廃棄物を焼却することを決定しました。
C2 adjective /aɪˈsɒ.krə.nəs/

isochronous

等時間間隔で発生する
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
振り子の動きは等時性があり、等しい間隔で繰り返されます。
C2 verb /ˈmɪlɪˌteɪt/

militate

妨げる
Meaning
to have a strong effect against something; to work as a powerful factor in preventing or influencing an outcome
Example
His lack of experience will militate against his promotion.
彼の経験不足が昇進に対して障害となるだろう。
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 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 /ˈtrʌŋkeɪtɪd/

truncated

短縮された
Meaning
shortened by cutting off a part; cut short
Example
The meeting was truncated due to time constraints.
会議は時間の制約により短縮されました。
C2 noun /ˌvɛrɪsɪˈmɪlɪtjuːd/

verisimilitude

真実味
Meaning
the appearance of being true or real
Example
The movie was praised for its verisimilitude to actual events.
その映画は実際の出来事に対する真実味で賞賛されました。
C2 verb /əˈlɪtəreɪt/

alliterate

頭韻を踏む
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
詩人はしばしばリズムを作り出すために言葉をアリテレートします。
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 /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

エコトキシコロジー
Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
エコトキシコロジーは農薬が野生動物に与える影響を研究しています。
C2 noun /hɜːrˈbɛəriəm/

herbarium

標本館
Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
大学は研究と教育のために大きな標本館を維持しています。
C2 adjective /lʌɡˈʒʊəriənt/

luxuriant

豊かな
Meaning
abundant in growth or richly abundant
Example
The luxuriant forest was teeming with life.
豊かな森は命で満ちていた。
C2 verb /ɜːrk/

irk

苛立たせる
Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
人々が電話をかけずに遅れると、私はイライラします。
C2 adjective /rɪˈtɪkjʊlət/

reticulate

網状
Meaning
Having a net-like pattern or structure.
Example
The leaf had a reticulate pattern of veins.
葉は網目模様の静脈がありました。
C2 noun /ˈhɔːrn.bɪl/

Hornbill

ホーンビル鳥
Meaning
a large tropical bird with a large curved beak and often a horn-like projection
Example
The colorful hornbill perched on the highest branch.
色とりどりのホーンビルが最も高い枝に止まった。
C2 noun /ˈɪrɪtənsi/

irritancy

苛立ち
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
絶え間ない騒音は隣人にとって苛立ちの原因となりました。
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 noun /pæˈstiːʃ/

pastiche

パスティーシュ
Meaning
a work of art, literature, or music that imitates the style of another artist, period, or genre
Example
The film was a clever pastiche of 1950s detective movies.
その映画は1950年代の探偵映画の巧妙なパスティーシュでした。
C2 noun /ˈθɔːməˌtɜrdʒɪst/

thaumaturgist

奇術師
Meaning
A worker of miracles or magician.
Example
The thaumaturgist amazed the audience with his tricks.
その奇術師は技で観客を驚かせました。
C2 noun dʒʊˈdɪʃəsnɪs

judiciousness

慎重さ、賢明さ
Meaning
Having, showing, or done with good judgment or sense.
Example
Her judiciousness in making decisions was appreciated.
意思決定における彼女の慎重さは評価されました。
C2 noun /dɪˈpləʊmətɪst/

diplomatist

外交官
Meaning
A person skilled in diplomacy; another word for diplomat.
Example
The diplomatist handled the negotiations with great tact.
外交官は交渉を巧みに取り扱いました。
C2 adjective /ˈɪnfəntaɪl/

infantile

幼稚な
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
彼の幼稚な行動は会議でみんなを困らせた。
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
C2 noun /ˌɔːrdɪˈneɪʃən/

ordination

任命式
Meaning
The ceremony of conferring holy orders or official religious authority.
Example
The church held a special service for the ordination of new priests.
教会は新しい神父の任命のために特別なサービスを行いました。
C2 verb /voʊˈsɪfəˌreɪt/

vociferate

大声で抗議する
Meaning
to shout, complain, or argue loudly or vehemently
Example
The protesters vociferated against the unfair law.
抗議者たちは不公平な法律に反対して声高に叫んだ。
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
C2 noun /ˌfoʊ.nəˈlɑː.dʒi/

phonology

音韻論
Meaning
the study of the sound system of a language
Example
She is studying phonology to understand how sounds function in English.
彼女は英語で音がどのように機能するかを理解するために音韻論を勉強しています。
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 /ɪmˈpjuːt/

impute

帰する
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
彼らは会社の成功を良いリーダーシップに帰属させた。
C2 noun /ˌmɛɡələˈmeɪniə/

megalomania

権力、富、または全能の幻想
Meaning
A condition characterized by delusional fantasies of power, wealth, or omnipotence.
Example
The dictator’s megalomania led him to believe he was invincible.
独裁者のメガロマニアは彼に自分が無敵だと信じさせました。
C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

酩酊
Meaning
the state of being drunk or intoxicated
Example
His frequent inebriety led to the loss of his job.
彼の頻繁な酩酊は仕事を失う原因となった。
C2 noun /dəˈkɔɪt/

Dacoit

盗賊
Meaning
a member of an armed gang of robbers; a bandit, especially in India and Myanmar
Example
The village was terrorized by a gang of dacoits who robbed travelers.
その村は、旅行者を強盗した強盗団によって恐怖に陥れられました。
C2 noun ˈkɑː.dərz

cadres

カド
Meaning
A small group of people specially trained for a particular purpose or profession; a group of activists in a communist or other political organization.
Example
There are 26 cadres under BPSC.
BPSCの下に26人のカドがいます。
C2 verb /ˈɡʌzəl/

guzzle

がぶ飲みする
Meaning
to drink greedily or excessively
Example
He guzzled three cans of soda in a few minutes.
彼は数分で3缶のソーダを飲み干した。
C2 noun /ˈɪmpjʊdəns/

impudence

厚かましさ
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
その学生の厚かましさはクラス全体を驚かせた。
C2 verb /əˈdʌltəreɪt/

adulterate

不正混入
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
その会社は安価な化学物質で製品をアダルテレートしたため、罰金を科せられました。
C2 adjective /ˌpærəˈdɪɡmətɪk/

paradigmatic

典型的な
Meaning
Serving as a typical example or model of something.
Example
Her success story is paradigmatic of the opportunities education can provide.
彼女の成功物語は、教育が提供できる機会の典型的な例です。
C2 adjective /ˌɪməˈmɔːriəl/

immemorial

不朽の
Meaning
Extending back beyond memory or record; ancient.
Example
The tradition has been followed since time immemorial.
その伝統は不朽の時代から受け継がれてきた。
C2 noun /ˈnʌnəri/

nunnery

修道院
Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
彼女は精神的な実践に人生を捧げるために修道院に参加することを決めました。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
彼女は会話の中での幸福と明るい性格で知られていました。
C2 noun /ˈtɒnʃər/

tonsure

托恩修亞
Meaning
the practice of shaving or cutting the hair on the scalp, especially in a religious context
Example
The monk received his tonsure as part of his religious initiation.
修道士は宗教的な入門儀式の一環としてトンシュアを受けました。
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 noun əˈlæk.rə.t̬i

alacrity

迅速で楽しい準備
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
彼はアラクリティで挑戦を受け入れた。
C2 adjective /ˈʌŋk.tʃu.əs/

unctuous

お世辞
Meaning
Excessively flattering or ingratiating; oily in texture.
Example
His unctuous tone made everyone uncomfortable.
彼のお世辞な口調は皆を不快にさせた。
C2 verb /dɪˈsɛmbəl/

dissemble

ふりをする
Meaning
to conceal one's true motives, feelings, or beliefs; to pretend
Example
He tried to dissemble his anger with a forced smile.
彼は強制的な笑顔で怒りを隠そうとした。
C2 noun /ˈkænə/

Canna

カンナ
Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
明るいオレンジ色のカンナリリーが池の横に高く成長しました。
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

エレジアック
Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
小説は失われた時代を悼むエレジアックな調子で終わる。
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

苦瓜
Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
苦瓜はその苦味を減らすために香辛料と一緒に調理されます。
C2 noun /ˈjuːfəni/

euphony

ユーフォニー
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演説者のスピーチはユーフォニーとリズムで満ちていた。
C2 noun /ˈɛksɪdʒənsi/

exigency

緊急の必要性
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
戦争の時、状況の緊急の必要性は迅速な決定を要求する。
C2 noun, adjective /pəˈtrɪʃən/

patrician

貴族
Meaning
A person of noble rank or high social standing; relating to aristocracy.
Example
The patrician families of Rome wielded great power in politics.
ローマの貴族の家族は政治で大きな力を持っていた。
C2 noun /ˈwɛlkɪn/

welkin

空
Meaning
The sky, the heavens, or the upper air.
Example
The eagle soared high into the welkin.
イーグルは空に高く舞い上がった。
C2 noun /ˈpɛtjʊləns/

petulance

気難しさ
Meaning
The quality of being childishly sulky or bad-tempered.
Example
His petulance during the meeting annoyed everyone.
会議中の彼のペチュランスはみんなをイライラさせた。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
C2 verb /ɪˈmæskjʊleɪt/

emasculate

無力化する
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
絶え間ない批判が彼の自信を削弱した。
C2 adjective /dɪˈsɛnʃənt/

dissentient

反対意見を持つ人
Meaning
Expressing or holding opinions that are opposed to the majority or official view.
Example
Only a few dissentient voices were heard during the debate.
討論中に反対意見を持つ少数の声だけが聞こえました。
C2 adjective /ɪnˈdjuːbɪtəbl/

indubitable

疑う余地がない
Meaning
Impossible to doubt; unquestionable.
Example
It is indubitable that hard work leads to success.
努力すれば成功に繋がることは疑う余地がない。
C2 noun /ˌrɛprəˈbeɪʃən/

reprobation

Meaning
Strong disapproval or condemnation; rejection by God as beyond salvation.
Example
The teacher’s face showed clear reprobation at the student’s rude remark.
C2 noun /ˈæltruɪst/

altruist

利他的な人
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
彼は常に他人のニーズを自分のニーズよりも優先する利他的な人です。
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 noun /ˈɑːbəlɪsk/

obelisk

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

cryptography

暗号化または符号化技術を使用して情報を保護する実践
Meaning
The practice of securing information through encryption or coding techniques
Example
Modern cryptography ensures secure online transactions.
現代の暗号技術は、安全なオンライン取引を保証します。
C2 noun /ˈmælɪt fɪʃ/

Mallet fish

殻魚
Meaning
A marine fish with a hard shell-like covering, found in coastal waters
Example
The mallet fish is known for its unique protective shell covering.
マレットフィッシュは独特な保護殻で知られています。
C2 verb /ɪnˈveɪ/

inveigh

激しく批判する
Meaning
To speak or write about something with great hostility and criticism.
Example
He inveighed against the corruption in government.
彼は政府の腐敗に対して激しく批判した。
C2 noun /ˌpætrəˈnɪmɪk/

patronymic

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

extensor

伸展筋
Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
腕の伸展筋は肘をまっすぐにするのを助けます。