Unblushing
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C2 adjective /ʌnˈblʌʃɪŋ/

Unblushing

恥知らずな; 図々しい
Meaning
showing no shame or embarrassment; boldly shameless
Example
He told the unblushing lie without any hesitation.
彼はためらうことなく無恥な嘘をついた。
C2 noun /ˈkɒksweɪn/

coxswain

舵手
Meaning
the person in charge of navigating and steering a boat, especially a racing or small boat
Example
The coxswain shouted instructions to the rowing team.
コックスウェインはローイングチームに指示を出した。
C2 adjective /ˌdɛl.ɪˈtɪə.ri.əs/

deleterious

有害な
Meaning
Causing physical or mental harm or damage.
Example
Smoking has deleterious effects on health.
喫煙は健康に有害な影響を与えます。
C2 adverb /əˈmʌk/

amuck

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

prepossessing

魅力的
Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
彼女は魅力的な笑顔を持っていて、みんなを魅了した。
C2 noun /ˈkɒn.tjʊ.mə.li/

contumely

侮辱, 軽蔑
Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
彼は同僚の軽蔑を忍耐強く耐えました。
C2 noun /ˌvælɪˈdɪkʃən/

valediction

別れの言葉
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
教授は退職式で感動的な別れの言葉を述べました。
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
C2 noun /ˌɒpəˈrɛtə/

operetta

軽いオペラ
Meaning
a short opera with light and humorous themes
Example
The theater staged a famous operetta by Gilbert and Sullivan.
劇場はギルバートとサリヴァンの有名な軽いオペラを上演しました。
C2 adjective /ˈneɪtl/

natal

出生に関連する
Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
彼女は何年も経った後、故郷の村に帰りました。
C2 adjective /ˈvɪndɪkeɪtɪv/

vindicative

弁護的
Meaning
showing a tendency to vindicate or justify; inclined to defend
Example
Her vindicative tone showed that she strongly believed in her innocence.
彼女の弁護的な口調は、彼女が無罪であると強く信じていることを示していた。
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

正直でオープン
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
ビジネス取引は完全に正直でオープンでした。
C2 adjective /sɪˈdɪʃəs/

seditious

扇動的
Meaning
Encouraging rebellion against authority.
Example
The activist spread seditious pamphlets among the crowd.
活動家は群衆の中で扇動的なパンフレットを配布しました。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
C2 verb /ˌdɪspəˈzɛs/

dispossess

没収する
Meaning
to deprive someone of land, property, or other possessions
Example
The new law threatened to dispossess many farmers of their land.
新しい法律は多くの農民から土地を奪うと脅迫していました。
C2 noun /ˈveɪnɡlɔːri/

vainglory

虚栄心
Meaning
Excessive vanity or boastfulness about one's achievements.
Example
His speech was filled with vainglory and self-praise.
彼のスピーチは虚栄心と自己賛美で満ちていた。
C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

アービトラージ
Meaning
The simultaneous buying and selling of securities in different markets to take advantage of differing prices.
Example
Investors use arbitrage to make profits in global markets.
投資家はアービトラージを利用してグローバル市場で利益を得ます。
C2 verb /ˈɪməleɪt/

immolate

犠牲にする/焼死させる
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
抗議者たちは建物の前で自ら火にくべると脅した。
C2 noun /ænˈtɪfəni/

antiphony

アンティフォニー
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
大聖堂の建築は、アンティフォニーの効果を高めるために設計されました。
C2 noun /ˈbuːt.leɪs/

Boot-lace

ブーツのひも
Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
散歩に出かける前に、ブーツのひもを結ばなければなりません。
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 /mælˈfiːzəns/

malfeasance

公務員の不正行為
Meaning
Wrongdoing or misconduct, especially by a public official.
Example
The mayor was accused of malfeasance in office.
市長は職務中の不正行為で告発された。
C2 adjective /ˌɪrɪˈprəʊtʃəbl̩/

irreproachable

非の打ち所がない
Meaning
Beyond criticism; faultless.
Example
The judge was known for his irreproachable integrity.
その裁判官は非の打ち所がない誠実さで知られていた。
C2 verb /juˈzɜrp/

usurp

奪取
Meaning
to take someone's position of power illegally or by force
Example
The general tried to usurp the king's throne.
将軍は王の玉座を奪おうとした。
C2 noun /ˈæpəfθɛm/

apophthegm

短くて、機知に富んだ教育的な言葉や格言
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
彼女は会議で共有するために、いつも機知に富んだアポフテムを持っていた。
C2 verb /ˈtʃeɪfɪŋ/

chafing

擦れて痛む
Meaning
To make sore by rubbing; to become irritated.
Example
The rough shoes were chafing his heels.
荒れた靴が彼のかかとを擦っていた。
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

イギリス英語の単語または特徴
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
'lorry' という言葉はよく知られているブリティシズムです。
C2 noun /njuːˈmɪzmətɪst/

numismatist

貨幣学者
Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
貨幣学者は展示会で彼の希少なコインコレクションを展示しました
C2 noun /ˈpɪnjən/

pinion

小さな歯車や鳥の翼の外側部分; 制限する、または動けなくする
Meaning
a small gear or the outer part of a bird's wing; to restrain or immobilize
Example
The bird's pinion was injured, preventing it from flying.
鳥の翼が怪我をして飛べなかった。
C2 noun /dɪnt/

dint

努力、衝撃の跡
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
努力のおかげで、彼は成功を収めました。
C2 noun /oʊliˈændər/

Oleander

オレアンダー
Meaning
a poisonous evergreen shrub with clusters of white, pink, or red flowers
Example
The beautiful oleander flowers bloomed in the garden despite their toxic nature.
美しいオレアンダーの花が庭で咲いていましたが、その毒性に関わらず。
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 /ˈlæriət/

lariat

ロープ
Meaning
A long rope with a noose at one end used to catch animals such as cattle or horses.
Example
The cowboy threw his lariat to catch the stray horse.
カウボーイは迷子の馬を捕まえるためにロープを投げました。
C2 noun /ˈbuːbi/

booby

ばか
Meaning
a foolish or gullible person; a silly individual
Example
He felt like a booby after making such a simple mistake.
そんな簡単な間違いをして、彼は自分をばかだと感じた。
C2 verb /ˌdɒmɪˈnɪə/

domineer

支配する
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
彼は若い同僚に対して支配的な態度を取ることが多い。
C2 verb /dɪˈpreɪv/

deprave

堕落させる
Meaning
to corrupt morally; to make someone immoral or wicked
Example
The novel was criticized for attempting to deprave the minds of young readers.
その小説は若い読者の心を堕落させようとしたため批判された。
C2 adjective /ˈfiːkənd/

fecund

肥沃な, 生産的な
Meaning
producing or capable of producing an abundance of offspring or new growth; fertile
Example
The fecund soil produced a bountiful harvest this year.
肥沃な土壌は今年豊かな収穫をもたらしました。
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 /ˈsæŋɡwɪˌnɛri/

sanguinary

血なまぐさい
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
その戦闘は戦争の中で最も血なまぐさい戦いの一つだった。
C2 verb /ˈproʊtjuːbəreɪt/

protuberate

膨らむ
Meaning
To swell out or bulge.
Example
The roots began to protuberate from the ground.
根は地面から膨らみ始めました。
C2 verb /prəˈpaʊnd/

propound

提案する
Meaning
To put forward an idea, theory, or point for consideration.
Example
The professor propounded a new theory on climate change.
教授は気候変動に関する新しい理論を提案しました。
C2 adjective /ˈpɜːrviəs/

pervious

透水性の
Meaning
Allowing water, air, or other substances to pass through; permeable.
Example
The soil here is pervious to rainwater.
ここでは土壌が雨水を通すことができます。
C2 noun /ˌlaɪ.pəˈdʒen.ɪ.sɪs/

lipogenesis

脂肪合成
Meaning
The metabolic process of fat synthesis where excess carbohydrates are converted into fatty acids and stored as triglycerides.
Example
Excess carbohydrate intake promotes lipogenesis and fat storage.
過剰な炭水化物の摂取は脂肪合成と脂肪の蓄積を促進します。
C2 verb /ɪˈdjuːs/

educe

引き出す
Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
教師は恥ずかしがり屋の生徒から反応を引き出そうとしました。
C2 verb /lʌɡˈʒʊrieɪt/

luxuriate

贅沢を楽しむ
Meaning
to enjoy something in a self-indulgent way; to take pleasure in great comfort
Example
She luxuriated in the warm bubble bath after a long day.
長い一日の後、彼女は暖かいバブルバスで贅沢を楽しんでいた。
C2 noun /dɪˈstɪlər/

distiller

蒸留業者
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸留業者は昨年、新しいウイスキーブランドを紹介しました。
C2 verb /rɪˈfrækt/

refract

屈折する
Meaning
To bend light, sound, or heat as it passes through a medium.
Example
The water refracts light, making the straw look bent.
水は光を屈折させ、ストローが曲がって見える。
C2 noun /ˈstriːmlɪt/

streamlet

小川
Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
小川が草地を流れていました。
C2 verb /priːˈfɪɡjər/

prefigure

前兆を示す
Meaning
to represent, show, or foreshadow something in advance
Example
The economic reforms prefigure major social changes.
経済改革は大きな社会変革を予兆しています。
C2 adjective /ˌmɪsənˈθrɑːpɪk/

misanthropic

人間嫌いの
Meaning
having or showing a dislike of humankind
Example
His misanthropic attitude made it difficult for him to make friends.
彼の人間嫌いの態度は、友達を作るのを難しくした。
C2 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

寛大, 気前が良い, 寛容
Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
彼の寛大な性格は彼を皆から尊敬される存在にしました。
C2 adjective /kəmˈpleɪzənt/

complaisant

過度に従順
Meaning
willing to please others or to accept what they do or say without protest
Example
He was too complaisant to refuse their demands.
彼は彼らの要求を断るにはあまりにも従順すぎた。
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 noun /ˈveɪɡəri/

vagary

予測できない変化
Meaning
An unexpected and inexplicable change in a situation or someone's behavior.
Example
The vagaries of the weather made planning difficult.
天気の不規則な変化で計画が難しくなった。
C2 noun /ˈænɪ siːd/

Ani seed

アニス
Meaning
Small aromatic seeds used as a spice and for medicinal purposes, with a sweet licorice-like flavor
Example
Anise seeds are often used in traditional desserts and teas.
アニスの種は伝統的なデザートやお茶にしばしば使われます。
C2 noun /rɪˈɡætə/

regatta

ボート競走
Meaning
A sporting event consisting of a series of boat or yacht races.
Example
The annual regatta attracted competitors from around the world.
毎年のレガッタは世界中から競技者を引き付けた。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平な
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
リソースの分配は労働者の間で不平等でした。
C2 verb /ˈhæri/

harry

悩ます, 攻撃する
Meaning
to constantly attack, harass, or annoy
Example
The army harried the enemy with sudden raids.
軍隊は突然の襲撃で敵を攻撃した。
C2 verb /traɪˈsɛkt/

trisect

三分割する
Meaning
To divide into three parts.
Example
The teacher asked the students to trisect the line segment.
先生は生徒に線分を三つの部分に分けるように頼みました。
C2 adjective /ˈneb.jə.ləs/

Nebulous

曖昧な; 不明瞭な; 霧のような
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
彼の未来の計画は依然として曖昧で不明確です。
C2 noun /ˈdɔːrmər/

dormer

ドーマー窓
Meaning
A window that projects vertically from a sloping roof.
Example
The old house had a dormer overlooking the garden.
その古い家には庭を見下ろすドーマー窓がありました。
C2 noun /ˈmɛtəl/

mettle

勇気
Meaning
A person's ability to cope well with difficulties or to face demanding situations with courage.
Example
The young athlete showed his mettle in the final match.
その若いアスリートは決勝戦で勇気を示しました。
C2 adjective /ˈiːkwaɪn/

equine

馬に関連する
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
獣医は馬の医療に専門特化していました。
C2 noun /ˈɪd.i.ə.si/

Idiocy

愚かさ
Meaning
extremely stupid behavior or actions; foolishness
Example
The decision to ignore safety protocols was pure idiocy that endangered everyone.
安全プロトコルを無視する決定は、すべての人を危険にさらす純粋な愚かさでした。
C2 noun /sɛkˈstɛt/

sextet

六重奏
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
ジャズのセクステットは、小さなクラブを温かく層状の音で満たしました。
C2 adjective /kənˈfɔːrməbl/

conformable

適合する
Meaning
Capable of being adapted or consistent with something; compliant.
Example
His actions were conformable to the rules of the institution.
彼の行動はその機関の規則に適合していました。
C2 verb /dɪsˈtɛnd/

distend

膨張する
Meaning
to swell or expand by pressure from within
Example
Her stomach began to distend after the large meal.
大きな食事の後、彼女のお腹は膨らみ始めました。
C2 noun /ˈɪrɪɡənt/

irrigant

灌漑液
Meaning
A liquid used for irrigation, especially in medical or agricultural contexts.
Example
The doctor used a sterile irrigant during the procedure.
医師は手術中に無菌の灌漑液を使用しました。
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 adjective /sɪˈnæp.tɪk/

synaptic

シナプスの
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
学習は脳内のシナプス接続を強化する。
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

エピサイクロイド
Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
数学者はエピサイクロイドの描き方を示しました。
C2 adjective /ˈæpəzɪt/

apposite

適切
Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
彼女のコメントはその状況に非常に適切でした。
C2 adjective /ˈmʌsti/

musty

湿っぽい、カビ臭いまたは湿気のある匂い
Meaning
having a stale, moldy, or damp smell
Example
The old books had a musty odor.
古い本にはカビ臭い匂いがあった。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

アジュタントコウ
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
アジュタントコウは浅い水の中でじっと立っていました。
C2 adjective /ˈɪm.pi.əs/

Impious

不敬な; 冒涜的
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
不敬な行為は宗教コミュニティを驚かせました。
C2 adjective /ˌɪmpɪˈkjuːniəs/

impecunious

貧乏
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
彼は貧乏な家族で育ちました。
C2 adjective /æbˈstruːs/

abstruse

難解
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
哲学的議論の難解な性質は多くの人々を困惑させた。
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

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

Musk

ムスク
Meaning
a strong-smelling substance secreted by certain animals, used in perfumes and traditional medicine
Example
The perfume contained natural musk that gave it an exotic fragrance.
その香水には天然のムスクが含まれており、エキゾチックな香りを与えました。
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

見分けがつかない
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
二つの色調の違いはほとんど見分けがつかなかった。
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 adjective /əˈluːviəl/

alluvial

沖積の
Meaning
Relating to or derived from alluvium (loose soil or sediment deposited by rivers).
Example
The farmers cultivate crops on the fertile alluvial plains.
農民たちは肥沃な沖積平原で作物を栽培します。
C2 verb /ˈkɔː.tə.raɪz/

cauterize

焼灼する
Meaning
to burn tissue to stop bleeding or prevent infection
Example
The doctor cauterized the wound to stop the bleeding.
医者は出血を止めるために傷を焼灼した。
C2 verb /ˈnɪtˌpɪk/

nitpick

Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
C2 adjective /ˈtræktəbəl/

tractable

制御可能または影響を与えることができる
Meaning
easy to control or influence
Example
The child was surprisingly tractable during the long journey.
その子供は長い旅の間、驚くほど制御可能だった。
C2 noun /ˌdaɪ.jʊˈret.ɪk/

diuretic

利尿剤
Meaning
A substance that promotes the production of urine.
Example
Coffee has a mild diuretic effect.
コーヒーは軽い利尿作用があります。
C2 noun /ˌmɑːrtəˈnɛt/

martinet

厳格な規律の指導者
Meaning
A strict disciplinarian who demands rigid adherence to rules.
Example
The new manager was such a martinet that even minor infractions were punished.
新しいマネージャーはマルティネットのようで、些細な違反も処罰されました。
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
C2 noun /ˈænɪməs/

animus

敵意 / 目的
Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
彼のスピーチは政策に対する敵意によって駆り立てられた。
C2 adjective /ˈbiːstiəl/

bestial

獣のような
Meaning
Relating to beasts; showing savagery, brutality, or lacking human sensibility.
Example
The prisoners were treated in a bestial manner.
囚人たちは獣のような扱いを受けた。
C2 adjective /njuːˈtoʊniən/

newtonian

ニュートンの法則に関連する
Meaning
relating to the laws of motion and gravitation formulated by Sir Isaac Newton
Example
The scientist explained the Newtonian laws of motion.
科学者はニュートンの運動法則を説明した。
C2 noun /ˈriːdʒənt/

regent

摂政
Meaning
a person who rules in place of a monarch when the monarch is absent or too young
Example
The prince acted as regent until the king came of age.
王子は王が成人するまで摂政として行動した。
C2 adjective /ˈluːpi/

loopy

おかしい
Meaning
crazy, silly, or eccentric
Example
After working all night, he felt a little loopy.
一晩中働いた後、彼は少しおかしく感じました。
C2 noun /ˈdʒes.tər/

Jester

道化師; ピエロ
Meaning
a professional joker or fool at a medieval court; someone who jokes a lot
Example
The court jester entertained the king with witty remarks and amusing tricks.
宮廷の道化師は、鋭いコメントや面白いトリックで王様を楽しませた。
C2 adjective /ɒmˈnɪʃ.ənt/

Omniscient

全知の
Meaning
having complete knowledge; all-knowing
Example
The narrator in the novel appears to be omniscient, knowing every character's thoughts.
小説の語り手は全知であるかのようで、すべての登場人物の思考を知っている。
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

未完成
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
彼の未完成のアイデアは、さらに開発するためにもっと研究が必要だった。
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 noun /ˈhɛklər/

heckler

野次を飛ばす人
Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
政治家は群衆から叫んでいたヘクラーにもかかわらず冷静を保ちました。
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 noun /əˈdjuː/

adieu

Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
C2 noun /feɪnt/

feint

フェイント, 偽りの動き
Meaning
a deceptive or pretended movement, especially in fighting or sports
Example
The boxer made a feint to the left before striking to the right.
ボクサーは右に打つ前に左にフェイントをかけました。
C2 noun /ˈeɪʒən siː bæs/

Asian sea bass

アジアスズキ
Meaning
a large predatory fish found in coastal waters and estuaries of the Indo-Pacific region, prized for its white meat
Example
Asian sea bass is highly valued in aquaculture for its fast growth.
アジアスズキは成長が早いため、養殖業で高く評価されています。
C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する
Meaning
to express disapproval or criticism of someone or something
Example
The teacher reprehended the student for being dishonest.
先生は不正直なことで生徒を叱りました。
C2 adjective /ɪnˈvaɪələt/

inviolate

汚されていない
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
古代の寺院は何世紀にもわたって汚されることなく保たれました。
C2 noun /ˈsfɛrɔɪd/

spheroid

回転楕円体
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
地球は完璧な球体ではなく、偏平な回転楕円体です。
C2 adjective /laɪˈsɛnʃəs/

licentious

放蕩
Meaning
Lacking moral restraint; disregarding accepted rules of conduct.
Example
The novel was criticized for its licentious themes.
その小説は放蕩的なテーマで批判された。
C2 noun /ˈsɪbɪləns/

sibilance

シューシュー音
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
詩人は詩の中で柔らかいシューシュー音を作り出すためにシビランスを使いました。
C2 noun /ˈhɛksəˌpɒd/

hexapod

ヘクサポッド
Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
科学者は葉の上を這うヘクサポッドを観察しました。
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

社交術
Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
彼女は見事な社交術で微妙な状況をうまく処理しました。
C2 adjective /ɪnˈtræn.sɪ.dʒənt/

intransigent

頑固な, 譲らない, 固執した
Meaning
Unwilling or refusing to change one's views or to agree about something.
Example
His intransigent stance delayed the agreement.
彼の頑固な態度が合意を遅らせました。
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

人類型
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
ゴリラは人類型の猿と見なされている。
C2 adjective /traɪˈɛniəl/

triennial

三年ごとの
Meaning
Occurring once every three years.
Example
The art festival is a triennial event in the city.
アートフェスティバルはこの都市の三年ごとのイベントです。
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

無礼な
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
彼の無礼なユーモアはしばしば伝統的な観客を驚かせました。
C2 noun /ˈbrɛviˌɛri/

breviary

祈祷書
Meaning
A book containing the service for each day, used in Christian liturgy.
Example
The monk read from the breviary during morning prayers.
修道士は朝の祈りの間に祈祷書から読んでいました。
C2 noun /kəˈraʊzl/

carousal

騒々しいパーティー
Meaning
A noisy or lively drinking party or festivity.
Example
They were exhausted after a night of wild carousal.
彼らは一晩のワイルドな騒々しいパーティーの後、疲れ切っていた。
C2 verb /dɪˈskraɪ/

descry

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

august

威厳
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
王は威厳のある存在感でホールに入ってきた。
C2 verb /kəˈraʊz/

carouse

騒いで飲む
Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
彼らは勝利の後、一晩中騒いで飲んでいた。
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

効果的な
Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
ワクチンは感染を予防するのに非常に効果的であることが証明されました。