Catechu
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C2 noun /ˈkætɪtʃuː/

Catechu

カテチュー
Meaning
an extract from a tropical Asian plant, used in tanning and dyeing
Example
Catechu extract is commonly used in traditional medicine.
カテチュー抽出物は伝統医学で一般的に使用されます。
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

反訴
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
弁護士は告発者に対して反訴を提起しました。
C2 noun /ˈæktʃuˌɛri/

actuary

アクチュアリー
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
アクチュアリーは保険契約を最終決定する前にリスクを計算しました。
C2 noun /broʊɡ/

brogue

丈夫な靴; アクセント
Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
彼は結婚式のためにおしゃれなブローグを買いました。
C2 adjective /ʌpˈrɔːr.i.əs/

uproarious

非常に面白い
Meaning
Extremely funny or noisy; causing loud laughter or commotion.
Example
The comedian's jokes were absolutely uproarious.
コメディアンのジョークは絶対に非常に面白かったです。
C2 noun /oʊˈbleɪʃən/

oblation

奉納
Meaning
a religious offering, especially of bread or wine to God
Example
The priest placed the oblation on the altar during the ceremony.
司祭は儀式の間に祭壇に奉納を置きました。
C2 noun /ˈtæmbər/ or /ˈtɪmbər/

timbre

音色
Meaning
The character or quality of a musical sound or voice as distinct from its pitch and intensity.
Example
Her voice had a warm timbre that soothed the audience.
彼女の声には温かみのある音色があり、聴衆を落ち着かせた。
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 /pɛlf/

pelf

不正な金
Meaning
Money, especially when gained dishonorably.
Example
The corrupt official was motivated only by pelf.
腐敗した公務員は不正な金でしか動機づけられなかった。
C2 verb /ˈvaɪtəlaɪz/

vitalize

活力を与える
Meaning
To give life, energy, or strength to something.
Example
Fresh air and exercise can vitalize the body and mind.
新鮮な空気と運動は体と心に活力を与えることができます。
C2 noun /ˌmɪsədˈvɛntʃər/

misadventure

不運な出来事
Meaning
An unlucky accident, mishap, or unfortunate event.
Example
He broke his leg during a skiing misadventure.
彼はスキー中に不運な出来事で足を骨折した。
C2 noun /kɔːrˈteɪʒ/

cortege

葬列
Meaning
a solemn procession, especially for a funeral
Example
A cortege of mourners followed the hearse to the cemetery.
悲しみに沈んだ人々が葬列を引き連れて霊柩車を墓地に送った。
C2 noun /ˌmɛtəmˌsaɪˈkoʊsɪs/

metempsychosis

魂の転生
Meaning
The supposed transmigration of the soul, especially its reincarnation after death.
Example
Ancient philosophers often debated the idea of metempsychosis.
古代の哲学者たちは、しばしば魂の転生について議論していました。
C2 noun /ˈpɑːrsɪmoʊni/

parsimony

けち
Meaning
extreme unwillingness to spend money or use resources
Example
His parsimony was evident in the way he avoided any unnecessary expenses.
彼のけちは、どんな無駄な出費も避ける様子に表れていた。
C2 noun /ˌkiː.təʊˈdʒen.ɪ.sɪs/

ketogenesis

ケトン生成過程
Meaning
The metabolic process by which the liver produces ketones from fatty acids, providing an alternative energy source during low carbohydrate availability.
Example
Ketogenesis occurs during fasting or low-carb diets.
ケトジェネシスは断食や低炭水化物ダイエット中に発生します。
C2 noun /haɪˈdrɒmɪtər/

hydrometer

Meaning
An instrument used to measure the density or specific gravity of liquids.
Example
The brewer used a hydrometer to test the sugar content of the solution.
C2 noun /ˈbrɔːdˌsaɪd/

broadside

激しい攻撃
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家は相手に対して激しい攻撃を仕掛けました。
C2 noun /weɪf/

Waif

ホームレスまたは放棄された子供; 野良の人や動物
Meaning
a homeless or abandoned child; a stray person or animal
Example
The charity helps waifs and strays find homes and families.
チャリティーはホームレスの子供たちと野良の人々が家と家族を見つける手助けをします。
C2 noun /priːˈɛmɪnəns/

preeminence

卓越
Meaning
The fact of surpassing all others; superiority.
Example
The university has gained preeminence in medical research.
その大学は医学研究において卓越性を獲得しました。
C2 noun /ˈplɛdʒɔːr/

pledgeor

保証人
Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
銀行は貸付の担保として保証人から宝石を受け入れました。
C2 adjective /ˈfjuːzəbl/

fusible

融解可能な
Meaning
Capable of being melted or fused.
Example
The engineer used a fusible alloy in the experiment.
エンジニアは実験で融解可能な合金を使用しました。
C2 noun, verb /ɡəˈrɒt/

garrote

絞め殺す
Meaning
A method of execution by strangulation, or to strangle someone with a cord or wire.
Example
The assassin attempted to garrote his target in the alley.
暗殺者は路地でターゲットを絞め殺そうとした。
C2 noun/verb /ˈʌpˌkæst/

upcast

上に投げる
Meaning
Verb: To cast or throw upward. Noun: Something thrown or directed upward.
Example
The fisherman upcast his net into the air.
漁師は彼の網を空中に投げた。
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

悪名
Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
そのスキャンダルは政治家を悪名に追いやった。
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

証拠の
Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
弁護士は彼女の主張に対する証拠のサポートを提供しました。
C2 adjective /ˈsæpɪd/

sapid

美味しい
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
シェフはテーブルの全員を喜ばせる美味しい料理を準備しました。
C2 noun /ˈhæbɪtənt/

habitant

住民
Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
村の住民は親切で歓迎してくれました。
C2 verb /ˌɪmpɔːrˈtuːnd/

importuned

しつこく頼む
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
彼女は昇給を求めて上司にしつこく頼んだ、彼がとうとう折れたまで。
C2 adjective /æbˈhɔːr.ənt/

Abhorrent

忌まわしい; 嫌悪すべき
Meaning
extremely unpleasant and causing disgust; detestable
Example
The idea of animal cruelty is abhorrent to most people.
動物虐待の考えはほとんどの人々にとって嫌悪感を抱かせます。
C2 adjective /ˌtɛmɪˈrɛəriəs/

temerarious

無謀
Meaning
Reckless or rash; showing a lack of caution.
Example
It was a temerarious decision to cross the river during the storm.
嵐の中で川を渡るのは無謀な決断だった。
C2 noun /sɛnˈsɔːrɪəm/

sensorium

感覚中枢
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
事故後、患者の感覚中枢はぼやけていた。
C2 noun kəmˈpʌŋk.ʃən

compunction

後悔
Meaning
A feeling of guilt or moral scruple that prevents or follows the doing of something bad.
Example
He felt compunction after lying to his friend.
彼は友達に嘘をついた後、後悔の念を感じました。
C2 verb /əbˈtruːd/

obtrude

押し付ける
Meaning
to force oneself or one's ideas into a situation uninvited or inappropriately
Example
He didn’t want to obtrude into their private conversation.
彼は彼らのプライベートな会話に押し付けたくなかった。
C2 noun /ˈlɒkətɪv/

locative

ロカティブ
Meaning
a grammatical case indicating location or place
Example
In Latin, the locative case is used to indicate location.
ラテン語では、ロカティブ格は場所を示すために使用されます。
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 /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 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

微細な
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
そのエラーは非常に微細で、結果に影響を与えることはありませんでした。
C2 adjective /ədˈmɒnɪtəri/

admonitory

警告の
Meaning
giving or conveying a warning or reprimand
Example
She gave him an admonitory glance.
彼女は彼に警告のまなざしを向けました。
C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

反対する
Meaning
to express strong disapproval or disagreement
Example
She expostulated with her friend about the risky decision.
彼女は友人に対してリスクのある決定について反対しました。
C2 adjective /ˈæməˌtɔːri/

amatory

愛に関する
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
詩人の詩は愛に関するテーマで満たされていました。
C2 adjective /ˈrɛɡnənt/

regnant

統治している
Meaning
Reigning; currently holding power, authority, or dominance.
Example
The regnant queen introduced several reforms during her reign.
統治している女王は、彼女の統治期間中にいくつかの改革を導入しました。
C2 adjective /ˈkwɒdreɪt/

quadrate

正方形
Meaning
square or nearly square; having four sides or being suited or corresponding to something
Example
The tiles had a neat quadrate shape that made the floor look orderly.
タイルは整然とした正方形の形状をしており、床を整然と見せていました。
C2 adjective /ˈprɛfətɔːri/

prefatory

序文的
Meaning
serving as an introduction or preface
Example
He made some prefatory remarks before the lecture began.
彼は講義が始まる前にいくつかの序文的な発言をした。
C2 noun /ˈvaɪənd/

viand

珍味
Meaning
an item of food, especially a delicacy
Example
The banquet was filled with rich viands and wines.
晩餐会は豪華な珍味とワインで満たされていた。
C2 noun /ˌkʌmˈʌpəns/

comeuppance

報い
Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
腐敗した役人は最終的に裁判所で自分の報いを受けた。
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 /ˈpɛndjʊləs/

pendulous

幸せ
Meaning
hanging down loosely; drooping
Example
The pendulous fruit weighed down the branch.
賞を受け取った時、彼女は幸せを隠すことができませんでした。
C2 verb /fɪltʃ/

filch

盗む
Meaning
to steal something in a sneaky or petty way
Example
He tried to filch a candy bar from the shop.
彼は店からキャンディバーを盗もうとした。
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 /ˌsɒ̃ˈfrwɑː/

sangfroid

冷静
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
彼女は面接中に冷静さで皆を感動させた。
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 /ænˈdrɒdʒɪnəs/

androgynous

アンドロジナス
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
ファッションショーではアンドロジナスなルックのモデルが登場しました。
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 verb /ʌnˈkloʊð/

unclothe

服を脱がせる; 衣服を取り除く
Meaning
to remove clothing from someone or something
Example
The nurse helped unclothe the patient for the examination.
看護師は検査のために患者の服を脱がせる手伝いをした。
C2 noun /ˈkeɪ.tɪf/

caitiff

卑怯者
Meaning
A contemptible or cowardly person.
Example
The knight despised the caitiff who betrayed his comrades.
騎士は仲間を裏切った卑怯者を軽蔑していた。
C2 adjective /fəˈsiːʃəs/

facetious

皮肉な
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
彼は月に住みたいと言ったとき、皮肉を言っていた。
C2 noun /ˈæn.oʊd/

anode

正極
Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
バッテリーの正極は長期間の使用後に腐食していました。
C2 adjective /ˌhaɪ ˈfloʊn/

high-flown

高飛車な
Meaning
Using fancy or pretentious language; lofty in style but often overblown.
Example
The politician gave a high-flown speech full of promises.
その政治家は約束でいっぱいの高飛車なスピーチをした。
C2 adjective /ˈvɛəriəˌɡeɪtɪd/

variegated

まだらの
Meaning
Having different colors, especially in irregular patches or streaks.
Example
The garden was full of variegated plants.
庭はまだらの植物でいっぱいでした。
C2 adjective /koʊˈiːvəl/

coeval

同時代
Meaning
Having the same age, date of origin, or duration; contemporary.
Example
The philosopher was coeval with the rise of modern science.
その哲学者は現代科学の発展と同時代の人物でした。
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 /dɒf/

doff

帽子を脱ぐ(敬意の印として)
Meaning
to take off an item of clothing, especially a hat, as a sign of respect
Example
He doffed his hat as the procession passed.
彼は行列が通り過ぎるときに帽子を脱いだ。
C2 noun /ˌɪndɛnˈteɪʃən/

indentation

インデント
Meaning
A space left at the beginning of a line of text; a notch or deep recess on a surface.
Example
The teacher asked the students to use proper indentation in their essays.
先生は学生にエッセイで適切なインデントを使用するように頼みました。
C2 noun /ˈtrɪp.lɪ.kət/

triplicate

三部コピー
Meaning
A set of three identical copies of something.
Example
The documents were prepared in triplicate for official use.
文書は公式用に三部コピーで準備されました。
C2 noun /ˈɔːrɪndʒfɪn ˈleɪbiːoʊ/

Orangefin labeo

オレンジフィンラベオ
Meaning
a freshwater fish species native to South Asian rivers, commonly found in Bangladesh and India
Example
The orangefin labeo is an important food fish in Bangladesh.
オレンジフィンラベオはバングラデシュで重要な食用魚です。
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

不整脈
Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
患者は不整脈を持っていた。
C2 noun /dɪˈstɛnʃən/

distention

膨張
Meaning
The state of being swollen due to internal pressure.
Example
The patient complained of abdominal pain and distention.
患者は腹痛と膨張感を訴えました。
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

比類のない
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
彼女の美しさはその地域で比類のないものと考えられていた。
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

時代錯誤の
Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
彼の性別役割に関する見解は時代遅れと見なされている。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

民営化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府は民間投資を促進するために銀行を民営化することを決定しました。
C2 noun /ˈzel.ət/

zealot

狂信者
Meaning
A person who is fanatical and uncompromising in pursuit of their ideals.
Example
He was considered a zealot for his strict political views.
彼は厳格な政治的見解のため、狂信者と見なされていました。
C2 noun /ˈhɑː.mə.li/

Homily

説教; 道徳的な退屈な講義
Meaning
a religious discourse delivered as part of a church service; a tedious moralizing lecture
Example
The priest delivered an inspiring homily about compassion and forgiveness during Sunday service.
牧師は日曜日の礼拝中に思いやりと許しについての感動的な説教を行いました。
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, adjective, verb /ˈrɛprəˌbeɪt/

reprobate

Meaning
A person of immoral character; to express disapproval of; morally corrupt.
Example
The old reprobate spent his days gambling and drinking.
C2 adjective /kəmˈbʌstɪbəl/

combustible

可燃性の
Meaning
Capable of catching fire and burning easily.
Example
Dry leaves are highly combustible.
乾燥した葉は非常に可燃性があります。
C2 adjective /pəˈlædʒ.ɪk/

pelagic

外洋に関連する
Meaning
Relating to the open sea or ocean water column, away from the shore.
Example
Pelagic fish like tuna are found far from the coast.
ツナのような外洋性の魚は海岸から遠くで見つかります。
C2 adjective /ɡrænˈdɪləkwənt/

grandiloquent

誇張な言語
Meaning
Using lofty, pompous, or extravagant language to impress others.
Example
The politician’s grandiloquent speech failed to connect with ordinary people.
その政治家の誇張された演説は一般の人々とつながることができなかった。
C2 adjective /ˈsiːmi/

seamy

低劣な、陰湿な
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
その小説は都市生活の裏面を明らかにします。
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 noun /ˈdaɪəˌdɛm/

diadem

王冠
Meaning
A crown or headband worn as a symbol of royalty or authority.
Example
The queen wore a glittering diadem at the coronation.
女王は戴冠式で輝く王冠を身に着けていました。
C2 noun /ˈfriːˌmeɪsən/

freemason

フリーメイソンのメンバー
Meaning
A member of an international fraternity known as Freemasonry, focused on moral and spiritual values.
Example
His grandfather was a respected freemason in the community.
彼の祖父はコミュニティで尊敬されているフリーメイソンでした。
C2 verb /ˈflædʒəˌleɪt/

flagellate

鞭打つ、または罰として自分を鞭打つ
Meaning
to whip or flog someone, either literally or as a form of punishment or self-discipline
Example
In history, some monks would flagellate themselves as penance.
歴史の中で、一部の修道士は悔い改めとして自分をフラジェレイトしていた。
C2 noun ট্রোপোস্ফিয়ার

troposphere

対流圏
Meaning
The lowest layer of Earth's atmosphere where weather phenomena occur.
Example
The troposphere is where weather phenomena occur.
対流圏は天候現象が発生する場所です。
C2 noun /məˈnæʒəri/

menagerie

野生動物のコレクション
Meaning
a collection of wild animals kept for exhibition; a diverse or strange group of people or things
Example
The circus had a menagerie of exotic animals.
サーカスには異国的な動物のコレクションがありました。
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 /dɪˈsɪmjʊˌleɪt/

dissimulate

偽る
Meaning
To disguise or conceal one's true feelings or intentions.
Example
He tried to dissimulate his fear with a smile.
彼は笑顔で恐怖を隠そうとした。
C2 verb /ˈbækbaɪt/

backbite

陰口を言う
Meaning
to speak negatively about someone who is not present; to slander behind someone’s back
Example
It is wrong to backbite your colleagues behind their backs.
同僚の陰口を言うのはよくない。
C2 noun /ˈsʌfrədʒɪst/

suffragist

女性参政権運動家
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
女性参政権運動家たちは女性の投票権を求めて集会を開いた。
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 /ˈfɪlɪɡri/

filigree

繊細な装飾細工、通常は金または銀で作られた
Meaning
delicate ornamental work of fine wire, usually of gold or silver
Example
The necklace was decorated with intricate gold filigree.
ネックレスは複雑な金のフィリグリーで飾られていました。
C2 adjective /kəˈrɛlətɪv/

correlative

相関的な
Meaning
having a mutual relationship; corresponding
Example
The increase in temperature is correlative with the melting of glaciers.
温度の上昇は氷河の融解と関連しています。
C2 noun /pʌntʃ ˈfoʊrən/

Panch Phoron

パンチ・フォロン
Meaning
a Bengali spice blend containing five whole spices: cumin, fennel, fenugreek, nigella, and mustard seeds
Example
The aroma filled the kitchen when she heated panch phoron in oil.
彼女がオイルでパンチ・フォロンを加熱したとき、香りがキッチンを満たしました。
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

回復不可能
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
火事の後、文書は回復不可能な方法で失われました。
C2 adjective /ˈwɪnsəm/

winsome

魅力的
Meaning
pleasant and attractive in a fresh, innocent, or charming way
Example
Her winsome smile instantly put the nervous guests at ease.
彼女の魅力的な笑顔は、緊張していたゲストをすぐに安心させました。
C2 adjective /ˈbrɪndl̩d/

brindled

ぶち模様
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
農家は特徴的なストライプのあるぶち模様の牛を飼っていた。
C2 noun /næt/

Gnat

Meaning
a small flying insect that bites people and animals
Example
The gnat buzzed around my head while I was reading.
私が読書している間、蚊が頭の周りでブンブンと音を立てていた。
C2 verb /ˈʌndjʊleɪt/

undulate

波打つ
Meaning
To move with a smooth, wave-like motion.
Example
The snake undulated across the sand.
ヘビは砂の上をうねうねと進んでいった。
C2 noun /əkˈsɛʃən/

accession

即位 / 条約の受諾
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
王の即位は大きな儀式で祝われました。
C2 noun /ɪmˈpaɪ.ə.ti/

Impiety

不敬
Meaning
lack of piety or reverence, especially for a god; disrespect or irreverence toward religious matters
Example
His impiety shocked the religious community when he mocked their sacred ceremonies.
彼の不敬は、彼が彼らの神聖な儀式を嘲笑したとき、宗教コミュニティを驚かせました。
C2 noun /ˈdʌlərd/

dullard

愚か者
Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
彼はクラスメートによって愚か者だと考えられていた。
C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

等温
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
実験は等温条件で行われました。
C2 adjective /ˌæntɪməˈrɪdiən/

antemeridian

昼前の時間
Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
彼女はすべての重要な会議を昼前の時間にスケジュールしました。
C2 adjective /əˈsiːtɪk/

acetic

酢酸の
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
酢の酢酸の臭いが台所に広がった。
C2 noun /ˈprɒsɪlaɪt/

proselyte

改宗者
Meaning
A person who has converted from one belief, opinion, or religion to another.
Example
She became a proselyte after converting to a new faith.
彼女は新しい信仰に改宗した後、改宗者になった。
C2 adjective /ˈsteɪ.dʒi/

stagy

過剰に演劇的
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
彼女のパフォーマンスは過剰に演劇的で不自然に感じられた。
C2 adjective /ˈdʒɪg.ərd/

Jiggered

驚いた; びっくりした;
Meaning
surprised or astonished; confused or puzzled
Example
I'll be jiggered if I know what happened here.
ここで何が起こったのか知っていたら驚くでしょう。
C2 noun /ˈɔːriˌoʊl/

aureole

オーラ
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
その絵は、聖人が頭の周りにオーラを持っているのを示していました。
C2 noun /məˈlɑː.ti/

Malati

マラティ
Meaning
a fragrant climbing plant with small white flowers, commonly known as jasmine
Example
The malati vine covered the garden wall with sweet-smelling flowers.
マラティのツルが甘い香りの花で庭の壁を覆っていました。
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

二つに分かれる
Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
その道路は丘の上で2つの分かれ道に分かれます。
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

後悔しない
Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
犯人は裁判後も後悔しないままでした。
C2 adjective /ˈɡɔːdi/

gaudy

けばけばしい
Meaning
excessively showy or flashy, often in a tasteless way
Example
She wore a gaudy necklace that clashed with her elegant dress.
彼女は彼女のエレガントなドレスと合わないけばけばしいネックレスを着けていました。
C2 noun /ˈsɪmpəltən/

simpleton

おバカさん
Meaning
a foolish or gullible person
Example
They treated him like a simpleton who could not understand anything complex.
彼らは彼を、何も複雑なことが理解できないおバカさんのように扱いました。
C2 verb /ˈɛnərˌveɪt/

enervate

弱体化する
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
長時間の労働が彼を弱体化させた。
C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

抗議者
Meaning
A person who makes a forceful protest (noun); protesting or objecting (adjective).
Example
He was a remonstrant voice in the assembly.
彼は集会で抗議の声を上げていた。
C2 noun /ˈsɪniæst/

cineast

映画愛好家
Meaning
A film enthusiast or filmmaker; a person deeply interested in cinema.
Example
As a true cineast, she spends most weekends watching classic films.
真のシネアストとして、彼女はほとんどの週末をクラシック映画を観ることに費やします。
C2 noun /ˈmɪsənˌθroʊp/

misanthrope

人間嫌い
Meaning
a person who dislikes or distrusts humankind
Example
The old man was considered a misanthrope who avoided all social gatherings.
その老人は、すべての社交的な集まりを避けるミサントロープと見なされていました。
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
C2 noun /mɪˈsɑːɡəmi/

misogamy

ミソガミー
Meaning
Hatred or dislike of marriage.
Example
His misogamy prevented him from ever settling down with a partner.
彼のミソガミーは、パートナーと一緒に落ち着くことを妨げた。
C2 verb /miːt/

mete

分配する
Meaning
To dispense or allot justice, punishment, or harsh treatment.
Example
The judge will mete out punishment according to the crime.
裁判官は犯行に応じて罰を分配します。
C2 noun /ˈθrɛnədi/

threnody

哀歌、追悼歌
Meaning
A song, poem, or speech of mourning for someone who has died; a lament.
Example
The poet composed a moving threnody for the fallen soldiers.
詩人は戦死した兵士たちのために感動的な追悼歌を作った。
C2 verb /ˈmɒrəlaɪz/

moralize

道徳化する
Meaning
To comment on issues of right and wrong, often with an air of superiority.
Example
He tends to moralize about other people's choices.
彼は他の人々の選択について道徳的なコメントをする傾向がある。