scad
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C2 noun /skæd/

scad

スカッド魚
Meaning
A type of fish of the jack family; also informally means a large number or quantity.
Example
The fisherman caught a scad in the net.
漁師は網でスカッドを捕まえました。
C2 adjective /sɪˈkweɪʃəs/

sequacious

盲目的に従う
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
シクウェイシャスな学生は、教師の意見に疑問を呈することはありませんでした。
C2 adjective /ˈnɪɡərdli/

niggardly

ケチ
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
彼はまともなチップを置くにはあまりにケチだった。
C2 verb /ɪˈmɛnd/

emend

訂正する
Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
編集者は公開前に原稿を訂正しました。
C2 adjective /ˈtjuːtɪləri/

tutelary

守護神
Meaning
Relating to or serving as a guardian or protector, often used for deities or spirits.
Example
Athena was considered the tutelary goddess of Athens.
アテナはアテネの守護神と見なされていました。
C2 noun /ˈbloʊˌhɑrd/

blowhard

自慢話をする人
Meaning
a person who brags a lot or talks in a boastful way
Example
Everyone avoided the blowhard at the party because he wouldn't stop bragging.
パーティーでみんなはその自慢話をする人を避けた。なぜなら、彼は自慢を止めなかったから。
C2 noun /ˌfoʊ.mənˈteɪ.ʃən/

fomentation

扇動、刺激
Meaning
The action of instigating or stirring up; also the application of warm substances to the body to ease pain.
Example
His speech led to the fomentation of violence in the region.
彼のスピーチは地域での暴力の激化を引き起こした。
C2 noun /ˈtjuːtərʃɪp/

tutorship

指導
Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
彼はメンターの指導のもとで成功した。
C2 adjective /ˈluːsənt/

lucent

光輝
Meaning
shining or glowing with light
Example
The lucent stars brightened the night sky.
光輝を放つ星々が夜空を明るく照らした。
C2 noun /klɛərˈvɔɪəns/

clairvoyance

透視能力
Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
彼女は透視能力を持っていると主張し、未来を予知しました。
C2 adjective /ˌɛfəˈvɛsənt/

effervescent

活気に満ちた
Meaning
Giving off bubbles; lively, enthusiastic, and full of energy.
Example
She had an effervescent personality that brightened every room.
彼女は部屋を明るく照らす活気に満ちた個性を持っていました。
C2 noun /brəˈvjʊrə/

bravura

Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
C2 noun /ˌdʒiː.niˈæl.ə.ti/

geniality

親しみやすさ
Meaning
the quality of being friendly and cheerful
Example
His geniality made him popular among his colleagues.
彼の親しみやすさは、同僚の間で彼を人気者にした。
C2 noun/adjective /ɪˈmɒliənt/

emollient

肌を柔らかくする物質
Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
彼女は乾燥肌を治すためにエモリエントクリームを使いました。
C2 adjective /ˈvɛndɪbəl/

vendible

販売可能な
Meaning
Capable of being sold; marketable.
Example
Only vendible products were displayed at the trade fair.
販売可能な商品だけが展示会に出展されました。
C2 noun /ˈfɔːrˌpiːk/

forepeak

船首の部屋
Meaning
The compartment in the forward part of a ship, often used for storage.
Example
The sailors stored extra ropes in the forepeak.
船員たちは余分なロープを船首の部屋に収納しました。
C2 adjective /ˈædɪˌpoʊs/

adipose

脂肪の
Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
医者は、組織が主に脂肪性であることを説明しました。
C2 noun /fɪˈlæt.əl.i/

philately

切手収集
Meaning
the collection and study of postage stamps
Example
Philately is a hobby enjoyed by people of all ages.
切手収集はすべての年齢層の人々に楽しまれている趣味です。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
木々は冷たい夜の後、白い霜で覆われていました。
C2 noun /ˌhaɪpəˈkɒndrɪæk/

hypochondriac

ヒポコンデリアック
Meaning
a person who is excessively worried about having a serious illness
Example
She is a hypochondriac who visits the doctor every week.
彼女は毎週医者に行くヒポコンデリアックです。
C2 noun /rɪˈpoʊst/

riposte

鋭い返答
Meaning
a quick and clever reply to criticism or an insult
Example
Her sharp riposte left everyone in silence.
彼女の鋭い返答は皆を黙らせた。
C2 adjective /ˈmeɪndʒi/

mangy

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

tyro

初心者
Meaning
A beginner or novice in a field or activity.
Example
As a tyro in programming, she needed constant guidance.
プログラミングの初心者として、彼女は常に指導を必要としていた。
C2 verb /breɪ/

bray

鳴き声
Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
ロバは畑で大声で鳴き始めました。
C2 adjective /dɪˈspjuːtəbl/

Disputable

議論の余地がある; 疑わしい
Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
その事件の事実は議論の余地があり、さらなる調査が必要です。
C2 verb /rɪˈtrɛntʃ/

retrench

コスト削減、従業員の解雇
Meaning
to reduce costs, spending, or staff to save resources
Example
The company had to retrench employees due to financial difficulties.
会社は財政的な困難のため、従業員をリトレンチしなければならなかった。
C2 noun /əˈluː.vi.əm/

alluvium

沖積土
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
川の岸辺にあるアリューヴィウムは農業に非常に肥沃です。
C2 noun /ˈɒfərtɔːri/

offertory

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

instrumentalist

楽器奏者
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
楽器奏者はバイオリンで美しいソロを演奏しました。
C2 verb /ɛmˈbleɪzən/

emblazon

目立つ方法で飾る
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
チームのロゴは彼らのユニフォームに鮮明に表示されていました。
C2 adjective /ˈmɒnɪtəri/

monitory

警告的な
Meaning
Giving a warning or cautionary advice; serving to warn.
Example
His monitory tone made everyone cautious about their next move.
彼の警告的な口調は、次の動きについて皆を警戒させました。
C2 noun /ˈpærəmʊr/

paramour

愛人
Meaning
a lover, especially an illicit one
Example
The secret paramour was finally revealed.
秘密の愛人はついに明らかにされました。
C2 adjective /ˈkɔːpjʊlənt/

corpulent

肥満の, 太った
Meaning
fat or obese; having a large bulky body
Example
The corpulent man struggled to fit into the small chair.
その太った男性は、小さな椅子に座るのに苦労していました。
C2 noun /ˈɑːrtɪfɪs/

artifice

策略
Meaning
clever or cunning devices or tricks used to deceive others
Example
The politician's charm was nothing but artifice.
その政治家の魅力は単なる策略にすぎなかった。
C2 adjective /mɜːrˈkjʊriəl/

mercurial

気まぐれな
Meaning
subject to sudden or unpredictable changes of mood or mind.
Example
She is known for her mercurial temperament.
彼女は気まぐれな気質で知られています。
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

アラビアジャスミン
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
アラビアジャスミンはその甘い香りで庭を満たしました。
C2 adverb/adjective /lɪˈɡɑːtoʊ/

legato

音楽で、滑らかでつながりのある演奏または歌唱
Meaning
In music, played or sung smoothly and connectedly.
Example
The pianist played the passage legato, with each note flowing into the next.
ピアニストはレガートでパッセージを弾き、各ノートが次に繋がっていった。
C2 noun /ˈɡɒz.lɪŋ/

gosling

ガンのひな
Meaning
a young goose
Example
The mother goose carefully protected her goslings.
母ガンは仔ガンを慎重に守った。
C2 adjective /svelt/

svelte

スリム
Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
彼女はエレガントな黒いドレスを着てスリムに見えた。
C2 noun /dʒeɪp/

jape

冗談, いたずら
Meaning
A practical joke or humorous remark.
Example
He enjoyed a harmless jape with his friends.
彼は友達と無害な冗談を楽しんだ。
C2 adjective /ˈpʌdʒi/

pudgy

ぽっちゃり
Meaning
slightly fat or chubby in a way that is often cute
Example
The baby had pudgy cheeks that everyone adored.
その赤ちゃんは、みんなが愛したぽっちゃりしたほっぺたを持っていました。
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 noun /ˈstrɪk.tʃər/

stricture

制限、批判
Meaning
a restriction or limitation; a critical remark
Example
The new law placed a severe stricture on free speech.
新しい法律は言論の自由に厳しい制限を課した。
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

後援
Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
会議は国連の後援の下で行われました。
C2 noun /ˌkæl.sɪ.fɪˈkeɪ.ʃən/

calcification

カルシフィケーション
Meaning
The process of calcium accumulation in soil, making it hard.
Example
Calcification reduces soil permeability and affects crop growth.
カルシフィケーションは土壌の透過性を減らし、作物の成長に影響を与えます。
C2 noun ˌmʌltɪˈfæsɪtɪd ˌɪnfərˈmeɪʃən ˈfreɪmwɜːrks

multifaceted information frameworks

多面的情報フレームワーク
Meaning
Complex, comprehensive structures for organizing and managing information that have multiple aspects or dimensions.
Example
Digital literacy involves building multifaceted information frameworks.
デジタルリテラシーは多面的な情報フレームワークの構築を含んでいます。
C2 adjective /ˈmɔːrdənt/

mordant

Meaning
Having a sharp, critical, or biting quality; especially in humor.
Example
Her mordant wit often left her friends speechless.
C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性
Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
結晶の屈折性の特性は光をスペクトルに曲げました。
C2 noun /ɔːl/

awl

錐
Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
靴屋は革に穴を開けるために錐を使った。
C2 noun /dɪˈtrækʃən/

detraction

非難
Meaning
The act of belittling or taking away from the value of something.
Example
Her constant detraction of others made her unpopular.
他人に対する彼女の絶え間ない非難は、彼女を不人気にした。
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
C2 noun ˈbaɪəʊˌsaɪd

biocide

バイオサイド
Meaning
A chemical substance or microorganism intended to destroy, deter, render harmless, or exert a controlling effect on any harmful organism.
Example
Biocides help control pests and reduce the spread of diseases.
バイオサイドは害虫をコントロールし、病気の拡散を減らすのに役立ちます。
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

嘆かわしい
Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
チームの嘆かわしいパフォーマンスは、ファンを失望させました。
C2 noun /ɪnˈfriːkwəns/

infrequence

稀少性
Meaning
The state of occurring rarely or at long intervals.
Example
The infrequence of their meetings made it hard to maintain close ties.
彼らの会議の稀少性は、親密な関係を維持するのを難しくしていました。
C2 noun /prəˈtɛktərət/

protectorate

保護国
Meaning
A state that is controlled and protected by another.
Example
The small country became a protectorate of the empire.
小さな国は帝国の保護国となった。
C2 noun /ˈpɑːr.kə.tri/

parquetry

パーケットフローリングの技術
Meaning
The art or technique of laying parquet floors.
Example
The craftsman specialized in parquetry for luxury homes.
職人は高級住宅のためにパーケット工芸を専門にしていました。
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 verb /diːˈmoʊbəlaɪz/

demobilize

解散する
Meaning
To release from military service or to disband troops.
Example
The government decided to demobilize the army after the war.
政府は戦争後に軍隊を解散することを決定しました。
C2 noun /ˈmɛtələ(r)dʒi/

metallurgy

冶金学
Meaning
The science and technology of metals, including their extraction from ores and their processing.
Example
Metallurgy plays a vital role in industrial development.
冶金学は産業の発展において重要な役割を果たします。
C2 noun /ɪmˈpjuːnɪti/

impunity

Meaning
freedom from punishment or harmful consequences for an action
Example
The dictator ruled with impunity, ignoring international laws.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

アイリッシュ
Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
彼はハイバーニアン文化と歴史について読むのが好きでした。
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

ノンブレイキングスペース
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
HTMLで改行しないスペースを追加するために を使用します。
C2 adjective kaɪˈmɛr.ɪ.kəl

chimerical

空想的、不可能な
Meaning
Illusory or impossible to achieve; existing only in imagination.
Example
His chimerical ideas often baffled realists.
彼の空想的なアイデアはしばしば現実主義者を困惑させました。
C2 noun /fiːˈkʌndɪti/

fecundity

肥沃, 繁殖力
Meaning
the ability to produce an abundance of offspring or new growth; fertility
Example
The fecundity of the river delta supports diverse wildlife.
川の三角州の肥沃は多様な野生動物を支えています。
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。
C2 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

秘密の
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
彼女は彼のノートをひそかに覗き見た。
C2 noun /ɪnˈtɛstəsi/

intestacy

遺言なしで死亡
Meaning
The condition of dying without having made a valid will.
Example
His estate was divided according to the laws of intestacy.
彼の財産は遺言なしでの法則に従って分けられた。
C2 noun /ˈmædrɪɡəl/

madrigal

Meaning
A short, lyrical poem set to music, typically from the Renaissance period.
Example
The choir performed a beautiful madrigal from the 16th century.
C2 adjective /ˌpɛstɪˈlɛnʃəl/

pestilential

疫病の
Meaning
Relating to or causing pestilence; very harmful, troublesome, or dangerous.
Example
The pestilential smell of the garbage filled the street.
ゴミのペスティレンシャルな匂いが通りを満たした。
C2 adjective /ˌækwiˈɛsənt/

acquiescent

黙認
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
彼は黙認の笑顔を見せて、計画に同意しました。
C2 adjective /ˈbɪloʊɪŋ/

billowing

波打つ
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
彼女は波打つカーテンを通り抜けた。
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

抗議
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
不公平なルールに対する彼の抗議は無視されました。
C2 adjective /juːˈbɪkwɪtəs/

ubiquitious

遍在
Meaning
Present, appearing, or found everywhere.
Example
Smartphones have become ubiquitous in modern society.
スマートフォンは現代社会で遍在しています。
C2 noun /məˈlɛvələns/

malevolence

悪意
Meaning
The state or condition of being malevolent; having or showing a wish to do evil to others.
Example
His malevolence was clear in the cruel way he treated his rivals.
彼の悪意は、彼がライバルを扱う残忍な方法において明らかだった。
C2 noun /ˈæpəˌθɛm/

apothegm

格言, 名言
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
彼のスピーチは人生と成功に関する格言でいっぱいでした。
C2 verb /ˈæmərˌtaɪz/

amortize

償却
Meaning
To gradually reduce or pay off a debt with regular payments.
Example
They plan to amortize the mortgage over 20 years.
彼らは20年間で住宅ローンをアモーティゼする予定です。
C2 verb /ˈvɪlɪfaɪ/

vilify

幸せ
Meaning
to speak or write about someone in an abusive or disparaging manner
Example
The politician was vilified in the media for his controversial remarks.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C2 verb /dʒaɪb/

gibe

嘲笑する
Meaning
To make insulting or mocking remarks; to taunt.
Example
The fans gibed at the losing team.
ファンは負けたチームを嘲笑しました。
C2 verb /bɪˈθɪŋk/

bethink

思い出す
Meaning
to cause oneself to consider or remember something
Example
He bethought himself of the promise he had made.
彼は自分がした約束を思い出した。
C2 noun /ˈnɪn.i/

Ninny

バカ
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
そんなバカなことをするな、頭を使え！
C2 adjective, noun /pləˈbiːən/

plebian

一般的な、平民の
Meaning
alternate spelling of 'plebeian'; common or ordinary
Example
His tastes were rather plebian, favoring simple food and clothes.
彼の趣味はかなり一般的で、シンプルな食べ物と服を好んでいました。
C2 noun /juːˈdʒen.ɪks/

eugenics

優生学
Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
優生学は歴史的にその非倫理的な応用について批判されてきました。
C2 noun /ˈkɒntrətɑː̃/

contretemps

予期しない対立
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
会議中、二人の同僚の間で小さな予期しない対立がありました。
C2 noun /prəˈlɪksɪti/

prolixity

冗長
Meaning
the quality of being tediously wordy and long
Example
The book’s prolixity made it difficult to read in one sitting.
本のプロリクシティは一度に読むのを難しくしました。
C2 adjective /səˈlɪsɪtəs/

solicitous

思いやり
Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
彼女はいつも学生たちの幸福に気を配っていました。
C2 noun /ˈlændˌhoʊl.dər/

landholder

土地所有者
Meaning
a person who owns land, especially in large amounts
Example
The landholder leased part of his property to local farmers.
土地所有者は自分の財産の一部を地元の農民に貸しました。
C2 verb /ˈpɜːrdʒər/

perjure

偽証する
Meaning
To knowingly tell a lie in a court of law after swearing to tell the truth.
Example
He was accused of trying to perjure himself during the trial.
彼は裁判中に偽証しようとしたとして告発されました。
C2 noun /ɪnˈkwɪzɪtər/

inquisitor

尋問者
Meaning
A person who asks many questions, often in an official or harsh manner.
Example
The inquisitor demanded detailed answers from the witness.
尋問者は証人から詳細な回答を要求しました。
C2 adjective /ɪˈfiːt/

effete

無力
Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
帝国は何世代にもわたる享楽の後、無力になった。
C2 verb /dɪˈbɪlɪteɪt/

debilitate

弱める
Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
長い病気が彼の力を弱めた。
C2 adjective /ˈnɔɪ.səm/

Noisome

不快な臭い; 有害または不快な
Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
ゴミからの不快な臭いが、みんなを鼻を押さえさせました。
C2 verb /ˈpælieɪt/

palliate

和らげる
Meaning
to make a disease, symptoms, or problem less severe without removing the cause
Example
The doctor prescribed medicine to palliate the patient's pain.
医者は患者の痛みを和らげるために薬を処方しました。
C2 verb /əˈsɛvəˌreɪt/

asseverate

断言する
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
彼はその男を以前見たことがないと断言した。
C2 adjective /ˈstɪdʒiən/

stygian

暗黒
Meaning
extremely dark, gloomy, or forbidding
Example
They walked through the stygian cave with torches.
彼らは松明を持って暗黒の洞窟を歩いていました。
C2 verb /ˈɒsɪfaɪ/

ossify

骨化する
Meaning
to turn into bone or become rigid and inflexible
Example
With age, some tissues tend to ossify.
年を重ねると、一部の組織が骨化する傾向があります。
C2 verb /ˌmɪskənˈsiːv/

misconceive

誤解する
Meaning
To misunderstand or form an incorrect idea about something.
Example
He misconceived the purpose of the project.
彼はプロジェクトの目的を誤解しました。
C2 verb /ˈkænənaɪz/

canonize

Meaning
To officially declare a dead person a saint; to regard as great or significant.
Example
The church canonized the martyr after years of investigation.
C2 noun /ˈzuːəʊˌplæŋktən/

zooplankton

動物プランクトン
Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
動物プランクトンは水生食物連鎖で重要な役割を果たします。
C2 verb /ˌɪn.trəˈmɪt/

intromit

挿入する
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
医者は慎重に器具を傷口に挿入しました。
C2 noun /ˈdɛvɪltrɪ/

deviltry

悪魔的な行為
Meaning
Cruel or malicious behavior; mischief with an evil aspect.
Example
The villain’s deviltry terrified the townsfolk.
悪党の悪魔的な行為は町の人々を恐れさせました。
C2 noun /prɪˈpɒndərəns/

preponderance

優位性
Meaning
The quality or fact of being greater in number, quantity, or importance.
Example
There was a preponderance of evidence against the defendant.
被告に対する証拠の優位性があった。
C2 adjective /ɪnˈkoʊətɪv/

inchoative

初期の
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
詩人は創造の夜明けを描くために初期の表現を使いました。
C2 verb /dɪˈkæpɪteɪt/

decapitate

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

refringency

屈折率
Meaning
The ability of a substance to bend light; refractive power.
Example
Glass has a higher refringency than water.
ガラスは水よりも高いリフリンジェンシーを持っています。
C2 noun /ˈmɒnəˌsɪləbəl/

monosyllable

単音節の言葉
Meaning
A word consisting of only one syllable.
Example
Words like 'yes' and 'no' are monosyllables.
'はい'や'いいえ'のような言葉は単音節の言葉です。
C2 verb /ˈɑːblɪˌɡeɪt/

obligate

強制する
Meaning
to bind legally or morally; to compel someone to do something
Example
The contract obligates the company to provide timely service.
契約は会社にタイムリーなサービスを提供することを義務付けます。
C2 adjective /bruːsk/ or /brʌsk/

brusque

ぶっきらぼう
Meaning
abrupt or blunt in manner or speech, often seen as rude
Example
His brusque reply ended the conversation.
彼のぶっきらぼうな返事で会話が終わった。
C2 verb /ˈvɪtrɪfaɪ/

vitrify

ガラスに変える
Meaning
to turn into glass or a glass-like substance by heat
Example
Sand can vitrify under intense heat.
砂は強い熱でガラスに変わることがあります。
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

虹色の
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
彼女は光の中で輝く虹色のドレスを着ていました。
C2 noun /ˈɛpənɪm/

eponym

名前の由来となった人
Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
サンドイッチはサンドイッチ伯爵にちなんだエポニムです。
C2 verb /dɪˈdʒɛkt/

deject

落胆させる
Meaning
to make someone feel sad, depressed, or dispirited
Example
The news of his failure seemed to deject him deeply.
彼の失敗のニュースは彼を深く落胆させたようだ。
C2 verb /dɔːb/

daub

塗る
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
子供たちは壁にペンキを塗り広げました。
C2 adjective /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

侵害できない
Meaning
Not to be broken, violated, or infringed
Example
The constitution guarantees certain irrefrangible rights to every citizen.
憲法はすべての市民にいくつかの侵害できない権利を保証します。
C2 verb /dʒaʊst/

joust

Meaning
to engage in a medieval contest on horseback with lances; to compete or argue
Example
The knights prepared to joust in front of the cheering crowd.
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 noun /ˈtɪl.ər/

Tiller

農民
Meaning
a person who tills or cultivates land; a farmer
Example
The tiller worked hard in the fields every morning.
農民は毎朝畑で一生懸命働いていました。
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 /ˈvɛləm/

vellum

パーチメント
Meaning
a fine parchment made originally from the skin of a calf, used for writing or printing
Example
The ancient manuscript was written on vellum.
古代の写本はパーチメントに書かれていました。
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 /ˈspɔːrtɪv/

sportive

スポーティブ
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
子供たちはピクニック中にスポーティブな気分でした。
C2 verb /ˈhɜːrtl/

hurtle

猛スピードで進む
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
車は山道を猛スピードで下っていました。