defoliant
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
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 /prɪˈværɪkeɪt/

prevaricate

Meaning
to avoid telling the truth by not giving a direct answer
Example
The politician began to prevaricate when asked about the scandal.
C2 adjective /əˈrækjələr/

oracular

神託のような
Meaning
Resembling an oracle; giving wise, mysterious, or prophetic statements
Example
Her oracular words left the audience deep in thought.
彼女の神託のような言葉は、観客を深く考えさせた。
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

副職に任命する
Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
保安官は秩序を維持するために数人の地元の人々を副職に任命することを決定しました。
C2 noun /ˌdɪskənˈtɪnjʊəns/

discontinuance

中止
Meaning
the act of stopping something, especially permanently
Example
The discontinuance of the service disappointed many customers.
サービスの中止は多くの顧客を失望させました。
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 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主義者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
彼の教条主義的な政治アプローチは、多くの支持者を遠ざけた。
C2 adjective /ˌkɑːmənˈsɛnsɪkəl/

commonsensical

常識的な
Meaning
based on or showing sound practical judgment; sensible
Example
It was commonsensical to carry an umbrella on a rainy day.
雨の日に傘を持つのは常識的なことだった。
C2 verb /ɪnˈdjuː/

endue

授ける
Meaning
To provide or endow with a quality or ability.
Example
The leader was endued with wisdom and courage.
リーダーは知恵と勇気を授けられた。
C2 adjective /ˈdɪstəl/

distal

遠位
Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
医者は患者の腕の遠位端を調べました。
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

脳の活動をリアルタイムで表示し、脳機能の自己調整を教える技術
Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
ニューロフィードバックは認知機能とリラクゼーションを高めます。
C2 noun /stɛp/

steppe

ステップ
Meaning
A large flat area of unforested grassland, especially in southeastern Europe or Siberia.
Example
The nomads traveled across the vast steppe with their herds.
遊牧民は自分の家畜を連れて広大なステップを渡っていた。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
C2 noun /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

ナマズ
Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
漁師は川で長いひげのナマズを捕まえた。
C2 verb /ˈvɪʃieɪt/

vitiate

損なう
Meaning
to spoil, weaken, or make something less effective
Example
One careless remark can vitiate the entire argument.
一つの不注意なコメントが議論全体を損なう可能性がある。
C2 adjective /ˈɡʌstəˌtɔːri/

gustatory

味覚の
Meaning
relating to the sense of taste
Example
The restaurant offered a gustatory experience unlike any other.
レストランは他に類を見ない味覚体験を提供しました。
C2 adjective /ˈblaɪðsəm/

blithesome

陽気
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
彼女は陽気な笑顔で部屋に入り、皆の気分を盛り上げました。
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 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
C2 adjective /dɪˈlɛktəbl̩/

delectable

美味しい
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
レストランは美味しい料理を提供しました。
C2 adjective /ˈwæɡ.ɪʃ/

waggish

いたずら好きな、遊び心のある
Meaning
playfully humorous or mischievous
Example
His waggish remarks made everyone laugh.
彼のいたずらなコメントはみんなを笑わせた。
C2 verb /məˈrɔːd/

maraud

略奪する
Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
バンディットたちは夜に村を略奪しました。
C2 noun /ˌɛmjʊˈleɪ.ʃən/

emulation

エミュレーション
Meaning
Reproducing something or following someone to achieve success.
Example
The software allows the emulation of old video games on modern devices.
そのソフトウェアは、古いビデオゲームを最新のデバイスでエミュレートすることを可能にします。
C2 noun /ˌhɜːrpəˈtɒlədʒɪst/

herpetologist

爬虫類学者
Meaning
A scientist who studies reptiles and amphibians.
Example
The herpetologist discovered a new species of frog in the rainforest.
その爬虫類学者は熱帯雨林で新しいカエルの種を発見した。
C2 noun /ˈkrɪsəndəm/

christendom

キリスト教界
Meaning
the worldwide body or community of Christians
Example
The news spread quickly across Christendom.
そのニュースはキリスト教界全体に素早く広まりました。
C2 verb /ˈrævɪʃ/

ravish

魅了する
Meaning
To fill with intense delight; to captivate or enchant.
Example
The beauty of the sunset ravished the travelers.
夕日の美しさが旅行者を魅了した。
C2 noun, verb /ˈhæmstrɪŋ/

hamstring

太ももの後ろの腱; 動詞として、誰かまたは何かの効果を制限または著しく制限する
Meaning
a tendon at the back of the thigh; as a verb, to cripple or severely restrict the effectiveness of someone or something.
Example
Budget cuts hamstrung the organization’s plans.
予算削減により、組織の計画が弱体化しました。
C2 adjective /ˈdɔːnt.ləs/

dauntless

無敵の、勇敢な、決然とした
Meaning
Showing fearlessness and determination; brave and resolute.
Example
The dauntless soldier fought against all odds.
無敵の兵士はすべての困難に立ち向かった。
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良, イライラした
Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.
重い食事の後、彼は消化不良で不快に感じました。
C2 noun /ˌɪnkənˈɡruːəti/

incongruity

不一致
Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
葬式の最中に彼の陽気な気分の不一致は、皆を驚かせました。
C2 noun /ˈhɒɡz.hɛd/

hogshead

大樽
Meaning
A large cask or barrel, traditionally used for storing liquids like wine or beer.
Example
The cellar was filled with hogsheads of ale.
地下室はビールの大樽でいっぱいだった。
C2 adjective /ˌstætʃuˈɛsk/

statuesque

彫像のような
Meaning
Having the grace, beauty, or dignity of a statue; tall and attractively proportioned.
Example
She had a statuesque figure that turned heads wherever she went.
彼女は彫像のような体型をしていて、どこに行っても人々の視線を引きつけていた。
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

人為的
Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
気候変動は主に人為的な活動によるものです。
C2 noun /ˈkɔːrpəskəl/

corpuscle

小さな粒子または細胞、特に赤血球
Meaning
a small particle or cell, especially a blood cell
Example
Red corpuscles carry oxygen throughout the body.
赤血球は体内で酸素を運ぶ。
C2 adjective /ˈæsɪnaɪn/

asinine

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

preponderate

優位を占める
Meaning
To be greater in influence, weight, or number.
Example
In the debate, logical arguments preponderated over emotional appeals.
議論の中で、論理的な議論は感情的な訴えに勝りました。
C2 verb /ɪˈkwɪvəˌkeɪt/

equivocate

曖昧に話す
Meaning
To speak ambiguously or avoid giving a clear answer.
Example
The politician equivocated when asked about the scandal.
その政治家はスキャンダルについて尋ねられたとき、曖昧に話した。
C2 noun /draɪ ˈmæŋgoʊ ˈpaʊdər/

Dry Mango Powder

アムチュール
Meaning
a tangy powder made from dried raw mangoes, used as a spice in Indian cuisine
Example
The chef sprinkled dry mango powder over the chaat for extra tanginess.
シェフはチャートに酸味を加えるためにドライマンゴーパウダーを振りかけました。
C2 phrase /lɛt ðɛm ˈθɪə.ri/

let them theory

彼らに好きなことを考えさせる理論
Meaning
A philosophy of not trying to control others' actions or opinions and allowing them to be themselves.
Example
He follows the Let them theory and ignores negativity.
彼は「彼らに好きなことを考えさせる理論」を実践し、否定的な考えを無視します。
C2 adjective /ˈrɪbɔːld/

ribald

下品な冗談
Meaning
Referring to sexual matters in a humorous or vulgar way.
Example
The comedian’s ribald jokes made the audience laugh uncomfortably.
コメディアンの下品な冗談は観客を不快にさせながら笑わせた。
C2 noun /ˈplænɪsfɪr/

planisphere

星図盤
Meaning
a rotating star chart used to display the visible stars for any time and date
Example
The astronomer used a planisphere to identify the constellations.
天文学者は星座を識別するために星図盤を使用しました。
C2 noun /ˈpɛdəˌɡɒɡ/

pedagogue

教師
Meaning
a teacher, especially a strict or formal one
Example
The old pedagogue insisted on discipline in the classroom.
その古い教育者は教室で規律を強調しました。
C2 noun /ˈkætɪˌkɪzəm/

catechism

教義問答
Meaning
A summary of religious principles often in the form of questions and answers; also a set of fixed questions or beliefs.
Example
The priest taught the children the catechism every Sunday.
司祭は毎週日曜日に子供たちにカテキズムを教えました。
C2 noun /ˈmɒnəɡræm/

monogram

モノグラム
Meaning
A design consisting of two or more letters, typically a person's initials, combined or interwoven.
Example
The towel was embroidered with her monogram.
タオルには彼女のモノグラムが刺繍されていた。
C2 noun /ɪˈreɪdiəns/

irradiance

放射輝度
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
正午の太陽の放射輝度は圧倒的でした。
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

不屈の
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
彼女の不屈の精神が彼女を逆境を克服させた。
C2 verb /ˈvɛdʒɪteɪt/

vegetate

無為に過ごす
Meaning
to live in a dull, inactive, or unchallenging way, often with little physical or mental effort
Example
He spent his vacation vegetating on the couch in front of the TV.
彼はソファでテレビの前に座って、休暇を過ごしました。
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

外来患者
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
その患者は外来患者で、安静が必要ありません。
C2 noun /ˈfetiʃ/

fetich

フェティッシュ
Meaning
an object believed to have magical powers or to be inhabited by a spirit
Example
The villagers treated the statue as a powerful fetich.
村人たちはその像を強力なフェティッシュとして扱っていました。
C2 noun /ˈpɑr.bəl/

Parbal

尖ったウリ
Meaning
A green vegetable also known as pointed gourd, commonly used in South Asian cuisine
Example
Mother prepared parbal curry with fish.
母は魚と一緒に尖ったウリのカレーを作りました。
C2 adjective /paɪd/

pied

まだら模様の
Meaning
having two or more different colors, typically in blotches
Example
The pied cat had black and white patches all over its body.
その斑猫は体中に黒と白の斑点がありました。
C2 noun /əˈkwaɪərmənt/

acquirement

取得; 習得
Meaning
the act of acquiring something; something that has been acquired, especially a skill or possession
Example
Language proficiency is an important acquirement for global careers.
語学力はグローバルなキャリアにとって重要な取得です。
C2 noun /lɪˈbrɛtoʊ/

libretto

オペラの台本
Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
彼女はオペラの公演に行く前にリブレットを勉強しました。
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

オニカサゴ
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
オニカサゴは毒を注入できる危険な棘を持っています。
C2 adjective /ɜːrˈbeɪn/

urbane

洗練された
Meaning
showing polished manners, refinement, and sophistication
Example
He was an urbane gentleman who charmed everyone at the party.
彼はパーティーでみんなを魅了した洗練された紳士だった。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

複雑
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新しい税法は非常に複雑で、ほとんどの人は理解できません。
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

マクロコスモス
Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
宇宙のマクロコスモスは人間の生活のミクロコスモスを反映しています。
C2 verb /ˈpɛrəɡrɪˌneɪt/

peregrinate

幸福
Meaning
To travel or wander from place to place.
Example
He loved to peregrinate across the countryside during summer.
彼女は賞を受け取ったとき、自分の幸福を隠せませんでした。
C2 noun /ˈɪnroʊd/

inroad

進展
Meaning
An advance or significant progress, often at the expense of something else.
Example
The company made significant inroads into the mobile market.
その会社はモバイル市場で重要な進展を遂げました。
C2 noun /klaɪm/

clime

気候帯
Meaning
A region defined by its climate.
Example
He traveled to warmer climes during the winter.
彼は冬の間、暖かい気候帯を旅行していた。
C2 verb /pɑːrtʃ/

parch

乾かす
Meaning
to make something extremely dry, especially by exposure to heat
Example
The scorching sun began to parch the fields.
焼けつくような太陽が畑を乾かし始めました。
C2 noun /ˈɡæli/

galley

船の厨房
Meaning
A low, flat ship used in ancient times, often with sails and oars; also, a kitchen on a ship or aircraft.
Example
The galley was filled with the smell of freshly cooked food.
船の厨房は新鮮に調理された食べ物の匂いで満ちていた。
C2 noun /ˈskɜː.vi/

scurvy

壊血病
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
水夫たちは、新鮮な果物がない長い海の航海中によく壊血病にかかっていました。
C2 noun /koʊˈæɡjələnt/

coagulant

凝固剤
Meaning
a substance that causes blood or another liquid to clot
Example
The doctor applied a coagulant to stop the bleeding quickly.
医者は出血をすぐに止めるために凝固剤を使いました。
C2 adjective /ˈtɜːrbɪd/

turbid

濁った
Meaning
Cloudy, opaque, or thick with suspended matter; confused or obscure in meaning.
Example
The river water became turbid after the heavy rains.
激しい雨の後、川の水は濁った。
C2 noun /kənˌdʒiː.niˈæl.ə.t̬i/

congeniality

親しみやすさ
Meaning
The quality of being pleasant, friendly, and easy to talk to.
Example
His congeniality makes him popular among friends.
彼の親しみやすさは、彼を友人の中で人気者にしています。
C2 adjective /ˈæfərənt/

afferent

求心
Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
求心神経は体から脳に信号を運びます。
C2 adjective /ˈɡaɪlləs/

guileless

無邪気
Meaning
Innocent and without deceit
Example
Her guileless smile won everyone’s heart.
彼女の無邪気な笑顔は皆の心をつかみました。
C2 noun /hæɡ/

Hag

魔女
Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
おとぎ話では、邪悪な魔女が森の奥深くの小屋に一人で住んでいた。
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

移住, 亡命
Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
難民たちは砂漠を越えて移住を始めた。
C2 noun /ˈpærəpɛt/

parapet

防護壁
Meaning
A low protective wall along the edge of a roof, balcony, or bridge.
Example
The soldier hid behind the parapet for protection.
兵士は防護壁の後ろに隠れて安全を守りました。
C2 adjective /ˈrɛstɪv/

restive

落ち着かない
Meaning
unable to stay still or silent; restless and impatient
Example
The crowd grew restive as they waited for the concert to begin.
コンサートが始まるのを待っている間、観客は落ち着かなくなった。
C2 verb /ˈɪŋkʌlpeɪt/

inculpate

非難する
Meaning
To blame or accuse someone of wrongdoing.
Example
The evidence seemed to inculpate the suspect in the crime.
証拠は容疑者を犯行に巻き込んでいるように見えた。
C2 noun /ˈlaɪtoʊtiːz/

litotes

緩和表現
Meaning
a figure of speech in which an affirmative is expressed by the negative of its contrary
Example
Saying 'not bad' as a compliment is an example of litotes.
'悪くない'と言うことは、緩和表現の一例です。
C2 verb /kɒnˈkætəneɪt/

concatenate

連結する
Meaning
To link things together in a series or chain.
Example
The program concatenates two strings into one.
プログラムは二つの文字列を一つに連結します。
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 adjective /bɪˈfɒɡd/

befogged

混乱した, ぼんやりした
Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
長く疲れる会議の後、彼の心は混乱しているように感じた。
C2 adjective /ˈsɜːrkəmskraɪbd/

circumscribed

制限された
Meaning
restricted or limited in scope or freedom
Example
Her freedom of choice was circumscribed by social rules.
彼女の選択の自由は社会的なルールによって制限されていた。
C2 noun /ˈhʌvəl/

hovel

Meaning
a small, poorly built, and dirty house
Example
The refugees lived in a makeshift hovel.
C2 adjective /ʌnəˈpiːzd/

unappeased

満足していない
Meaning
Not satisfied or calmed; still feeling discontent or anger
Example
Despite the apology, she remained unappeased.
謝罪にもかかわらず、彼女は満足していなかった。
C2 verb /rɪˈpruːv/

reprove

叱る
Meaning
to criticize or correct someone gently or disapprove of their actions
Example
The teacher reproved the student for being late.
先生は遅刻した生徒を叱りました。
C2 noun /ˈneɪvəri/

knavery

詐欺
Meaning
dishonest or deceitful behavior; trickery
Example
The politician’s knavery was exposed by the media.
政治家の詐欺はメディアによって暴露された。
C2 noun /hɪˈlærɪti/

hilarity

爆笑
Meaning
Extreme amusement, especially when expressed by laughter.
Example
The movie caused great hilarity among the audience.
その映画は観客の間で大きな爆笑を引き起こしました。
C2 noun /ˈvɪrjʊləns/

virulence

病原性
Meaning
The severity or harmfulness of a disease or poison.
Example
Scientists studied the virulence of the new virus strain.
科学者たちは新しいウイルス株の病原性を研究しました。
C2 adjective /ˈvækjuəs/

vacuous

空虚
Meaning
Having or showing a lack of thought or intelligence; mindless.
Example
She gave a vacuous smile during the serious discussion.
彼女は真剣な議論の中で空虚な笑顔を見せた。
C2 adjective /ˈvɪnsəbl/

vincible

打ち負かされる可能性がある
Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
敵は主要基地を失った後、打ち負かされる可能性があった。
C2 noun /ˈpiːən/

paean

賛美歌
Meaning
A song or piece of writing expressing great praise or triumph.
Example
The article was a paean to the beauty of nature.
その記事は自然の美しさへの賛美歌でした。
C2 adjective /juːˈʒʊəriəs/

usurious

高利貸しの
Meaning
Charging excessively high interest rates on loans.
Example
The bank was accused of offering loans at usurious rates.
銀行は高利貸しの金利で融資を提供したとして告発されました。
C2 verb /ˈfrɪtər/

fritter

浪費する
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
彼は無駄にお金を浪費しました。
C2 noun /dɪsˈtɛmpər/

distemper

犬に感染するウイルス性疾患
Meaning
a viral disease affecting animals, especially dogs; also refers to a state of disorder
Example
The dog was diagnosed with distemper and needed immediate care.
その犬はディステンパーと診断され、即座の治療が必要でした。
C2 noun /ˈlɔːrdlɪŋ/

lordling

小さな領主
Meaning
A young or petty lord; someone of minor nobility.
Example
The arrogant lordling demanded respect despite his lack of experience.
傲慢なロードリングは経験不足にもかかわらず、尊敬を要求した。
C2 verb /əˈpraɪz/

apprise

知らせる
Meaning
to inform or notify someone
Example
The manager will apprise the staff of the new policies.
マネージャーはスタッフに新しい方針について知らせます。
C2 adverb /ɪkˈstem.pɔːr/

Extempore

即興の；即席の；準備なしの
Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
スピーカーは会議で印象的な即興のスピーチを行いました。
C2 noun /ɛnˈsɪklɪkəl/

encyclical

回勅
Meaning
a formal letter sent by the Pope to Catholic churches, usually addressing important issues
Example
The Pope issued an encyclical on climate change and moral responsibility.
教皇は気候変動と道徳的責任についての回勅を発表しました。
C2 noun /ˈklævɪkəl/

clavicle

鎖骨
Meaning
the collarbone, a long bone that serves as a strut between the shoulder blade and the sternum
Example
He fractured his clavicle in the accident.
彼は事故で鎖骨を骨折した。
C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

恐ろしい/尊敬すべき
Meaning
formidable, especially as an opponent; inspiring fear or respect
Example
She was a redoubtable leader who commanded respect from all.
彼女は全員から尊敬を集める恐ろしいリーダーだった。
C2 noun /dɪsˈjuːnjən/

disunion

分裂
Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
内戦はしばしば国家の分裂から起こる。
C2 adjective /ɑːrˈθʊr.i.ən/

arthurian

アーサー王に関連する
Meaning
Relating to the legendary King Arthur and the stories surrounding him.
Example
The novel is set in an Arthurian world of knights and castles.
その小説は、騎士と城が存在するアーサリアンの世界に設定されています。
C2 noun /lɑːrˈʒes/

largess

寛大さ
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
財団は裕福な寄付者の寛大さのおかげで存続しました。
C2 noun /ˌætəlˈjeɪ/

atelier

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

evert

外向きにひっくり返す
Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
外科医は手術中にまぶたをひっくり返さなければなりませんでした。
C2 noun /ˈbɪɡ.ə.mi/

bigamy

重婚
Meaning
The act of marrying one person while still legally married to another.
Example
He was charged with bigamy after his second marriage was discovered.
彼は二度目の結婚が発覚した後、重婚で起訴されました。
C2 noun /ˌdɛd ˈhiːt/

dead-heat

引き分け
Meaning
a race or contest in which two or more competitors finish exactly equal
Example
The race ended in a dead-heat between the two runners.
レースは二人のランナーの間で引き分けで終わった。
C2 verb əˈtɛn.ju.eɪt

attenuate

和らげる
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
その薬は痛みを和らげるのに役立ちます。
C2 noun /ˈvaɪsrɔɪ/

viceroy

副王
Meaning
a ruler exercising authority on behalf of a sovereign in a colony or province
Example
The viceroy governed the colony in the king's name.
バイセロイは王の名のもとに植民地を統治しました。
C2 noun /ˈɡɪbən/

gibbon

テナガザル
Meaning
a small to medium-sized tailless ape with long arms, native to the forests of Southeast Asia
Example
The gibbon swung gracefully through the trees using its long arms.
ギボンは長い腕を使って木々の間を優雅に移動した。
C2 adjective /ˈhæl.si.ən/

halcyon

静かな
Meaning
calm, peaceful, and happy; denoting a period of time in the past that was idyllically happy and peaceful
Example
She often reminisces about the halcyon days of her childhood.
彼女はよく子供時代の静かな日々を思い出します。
C2 adjective /ˈfɪt.fəl/

fitful

不規則な
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
嵐のせいで彼は不規則な眠りをしていた。
C2 noun /ˌkiː ˈviːv/

qui vive

警戒
Meaning
A state of alertness or vigilance.
Example
The guards were on the qui vive during the night.
警備員は夜間、警戒状態にありました。
C2 noun /əˈkjuːtnəs/

acuteness

鋭敏さ；深刻さ
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
彼女の鋭敏さは他の人が見逃した細部に気づかせた。
C2 adjective /ˈsækərɪn/

saccharine

幸せ
Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
彼女は賞を受け取ったとき、自分の幸せを隠せなかった。
C2 adjective /ˈvælərəs/

valorous

勇敢な
Meaning
showing great courage and bravery
Example
The valorous soldier led his troop into battle without hesitation.
勇敢な兵士はためらうことなく部隊を戦いに導いた。
C2 verb /ˈsʌn.dər/

sunder

引き裂く
Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
戦争は家族と友人を引き裂きました。
C2 verb /bɪˈhuːvz/

behooves

必要である
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
すべての市民は法律を守るべきです。
C2 noun /ˈkælvɪnɪzəm/

calvinism

カルヴァン主義
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
カルヴァン主義はプロテスタント神学の形成に重要な役割を果たした。
C2 verb /dɪˈkænt/

decant

デキャンタ
Meaning
To pour liquid gently from one container into another, especially without disturbing the sediment.
Example
She carefully decanted the wine into a clean glass.
彼女は慎重にワインをきれいなグラスに注いだ。
C2 adjective /stəˈkɑː.təʊ/

staccato

スタッカート
Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
ピアニストはスタッカートのリズムで音符を弾きました。
C2 noun /ˈpætrɪˌmoʊni/

patrimony

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

disjunctive

選択的
Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
文法では、'または' は選択的接続詞です。
C2 noun /ɡæf/

gaff

間違い
Meaning
A social blunder or mistake; also a hook or device used in fishing or theater.
Example
He made a major gaff during the meeting by forgetting the client's name.
会議中に彼は顧客の名前を忘れて大きな間違いを犯した。