surreptitious
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 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 /ˈlæɡ.ərd/

Laggard

遅れて進む人; 他の人より遅れを取る人
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
遅れた学生は締め切り後にようやく課題を提出しました。
C2 noun /juːˌtɪlɪˈtɛəriənɪzəm/

utilitarianism

功利主義
Meaning
The ethical theory that actions are right if they are useful or for the benefit of the majority.
Example
Utilitarianism suggests that we should act to maximize overall happiness.
功利主義は、私たちが全体的な幸福を最大化するために行動すべきだと示唆しています。
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 /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 adjective /ˌɪn.trəˈsɛl.jʊ.lər/

intracellular

細胞内
Meaning
Located or occurring within a cell.
Example
The drug works by targeting intracellular bacteria.
薬は細胞内の細菌をターゲットにして作用します。
C2 noun /ɪˈfluːviəm/

effluvium

不快な臭い
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
工場からの不快な臭いが近隣一帯に広がった。
C2 adjective /pərˈfɪdiəs/

perfidious

裏切りの
Meaning
deceitful and untrustworthy
Example
The spy was executed for his perfidious actions.
スパイは裏切りの行動で処刑されました。
C2 adjective /ɪnˈeɪliənəbl/

inalienable

譲渡不可能
Meaning
Unable to be taken away or transferred; absolute and permanent.
Example
Freedom of speech is an inalienable right.
言論の自由は譲渡不可能な権利です。
C2 adjective /sɒmˈnɪfərəs/

somniferous

眠気を引き起こす
Meaning
Tending to induce sleep; soporific.
Example
The professor's somniferous lecture put half the class to sleep.
教授のソムニフェラスな講義はクラスの半分を眠らせた。
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 /ˈsælvər/

salver

銀のトレイ
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
執事は銀のトレイでお茶を運んできました。
C2 noun /ˈkrɪptəɡræm/

cryptogram

暗号文
Meaning
a text written in code or cipher
Example
The detective solved the cryptogram hidden in the letter.
探偵は手紙に隠された暗号文を解読しました。
C2 noun əˈkjuː.ə.ti

acuity

鋭敏さ
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
彼の知的な鋭敏さは彼を優れた科学者にしました。
C2 verb /ˌnɒnˈplʌs/

nonplus

困惑させる
Meaning
To surprise and confuse someone so much that they are unsure how to react.
Example
The unexpected question seemed to nonplus the speaker.
予期しない質問がスピーカーを困惑させたようだ。
C2 verb /kəˈriːn/

careen

制御を失って進む
Meaning
To move swiftly and in an uncontrolled way, especially in a specific direction.
Example
The car careened down the slippery road.
車は滑りやすい道路で制御を失いながら進みました。
C2 noun /ˌpliːnɪpəˈtɛnʃəri/

plenipotentiary

全権大使
Meaning
a person invested with full power to act on behalf of another, especially in diplomacy
Example
The ambassador was a plenipotentiary sent to negotiate the treaty.
大使は条約交渉のために派遣されたプレニポテンシャリーでした。
C2 adjective /ˈpɪd.lɪŋ/

Piddling

些細な; 取るに足らない; 少額
Meaning
trivial; insignificant; small in amount
Example
He was annoyed by the piddling amount of money he received.
彼は受け取った些細な金額に腹を立てていた。
C2 adjective /ˈtrɛntʃənt/

trenchant

鋭い
Meaning
expressed strongly, effectively, and clearly; sharp or cutting in style or expression
Example
Her trenchant criticism of the policy left no room for misunderstanding.
彼女の鋭い政策批判は誤解の余地を残しませんでした。
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 noun /fɔːn/

faun

ファウノ (神話の生き物)
Meaning
a mythological creature that is half human and half goat
Example
The sculpture depicted a playful faun dancing in the forest.
彫刻は、森の中で踊っている遊び心のあるファウンを描いていました。
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 /ˈteɪbər/

Tabour

タムボール
Meaning
a small side drum or tambourine used especially in folk music
Example
The folk musician played a lively tune on his tabour.
フォークミュージシャンは自分のタムボールで生き生きとしたメロディーを演奏しました。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
彼女は式典に新鮮なバラの花束を持って行った。
C2 noun /ˈɡoʊld.moʊ.hɜːr/

Goldmohur

黄花木
Meaning
A tropical tree with bright orange-red flowers, also known as flame tree or royal poinciana
Example
The goldmohur tree bloomed beautifully in the summer heat.
夏の暑さの中で、ゴールドモフルの木は美しく花を咲かせた。
C2 noun/adjective /prɪˈsɪpɪtənt/

precipitant

沈殿剤
Meaning
As a noun: a substance that causes a substance to be deposited from a solution; as an adjective: acting hastily or impulsively.
Example
The chemist added a precipitant to the solution to observe the reaction.
化学者は反応を観察するために溶液に沈殿剤を加えました。
C2 noun /ˈdɛsɪkənt/

desiccant

乾燥剤
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
シリカゲルのパケットは、パッケージングで乾燥剤として一般的に使用されます。
C2 verb /məʊlt/

molt

脱羽
Meaning
To shed old feathers, skin, or hair to make way for new growth.
Example
Birds molt their feathers once a year.
鳥は年に一度羽を抜けます。
C2 adjective /ˌpɪkəˈrɛsk/

picaresque

悪党の英雄の物語
Meaning
relating to a style of fiction depicting the adventures of a roguish hero
Example
The novel is a picaresque tale of a clever vagabond.
その小説は賢い浮浪者のピカレスクの物語です。
C2 noun /ˌɪn.ʌnˈdeɪ.ʃən/

inundation

洪水
Meaning
The act of flooding or overwhelming with water or things.
Example
The town suffered from a severe inundation after the heavy rains.
町は大雨後にひどい洪水に見舞われました。
C2 noun /ˈkæʒuɪstri/

casuistry

詭弁
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
弁護士の主張は単なる詭弁として退けられました。
C2 noun /ˈmædʒɪstrəsi/

magistracy

裁判所の事務所
Meaning
The office, authority, or district of a magistrate.
Example
He was proud to serve in the local magistracy for over a decade.
彼は10年以上にわたって地元の裁判所の事務所で働いていることを誇りに思っていました。
C2 noun /ˈmeɪdənˌhʊd/

maidenhood

処女性
Meaning
The state of being a maiden; girlhood or virginity.
Example
The poem celebrated the innocence of maidenhood.
その詩は処女性の無垢を讃えました。
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 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 noun /ˈhʌvəl/

hovel

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

pharmacopoeia

薬典
Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
医師は薬典を参照して、薬の適切な用量を確認しました。
C2 noun /təˈmɛrɪti/

temerity

大胆さ
Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
彼は教授の議論に挑戦する大胆さを持っていた。
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
C2 noun /ˈbiːtənd raɪs/

Beatened rice

ビート米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
ビート米は通常、朝食で牛乳と砂糖と一緒に食べられます。
C2 verb /bɪˈfuːl/

befool

だます
Meaning
to deceive or trick someone into believing something false; to make someone appear foolish
Example
The scammer tried to befool innocent people with fake promises.
詐欺師は偽の約束で無実の人々をだまそうとした。
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 /ɪˌnʌn.siˈeɪ.ʃən/

enunciation

発音, 明確な発音
Meaning
The act of saying or pronouncing words clearly and distinctly.
Example
His enunciation was clear during the presentation.
彼の発音はプレゼンテーション中に明確でした。
C2 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

〜という点で
Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
あなたが彼らの教師である限り、彼らを慎重に指導するべきです。
C2 verb /ˈkɒsɪt/

cosset

甘やかす
Meaning
to care for and protect in an overindulgent way
Example
The little girl was cosseted by her grandparents.
小さな女の子は祖父母に甘やかされました。
C2 adjective /ˌʌnsɛrəˈmoʊniəs/

unceremonious

儀式なし/無礼
Meaning
Done without formality or courtesy; abrupt or rude.
Example
He made an unceremonious exit from the party.
彼はパーティーから儀式なしで退出しました。
C2 noun /ˈsaɪ.ə.lɪz.əm/

sciolism

表面的な知識の誇示
Meaning
pretentious show of superficial knowledge
Example
His speech was full of sciolism, impressing no one.
彼のスピーチはサイオリズムで満ちており、誰も感動しなかった。
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 noun /fɪntʃ/

finch

フィンチ(小さな歌う鳥)
Meaning
a small songbird with a short, stout bill
Example
A colorful finch perched on the branch singing sweetly.
カラフルなフィンチが枝に止まり、甘い歌を歌っていました。
C2 noun /ˈbrɪɡ.ənd/

brigand

山賊
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
旅行者は山中で山賊に襲われました。
C2 noun /ˈdrʌmɪt/

Drumet

ドラメット
Meaning
a small drum used in military or marching bands
Example
The drummer played a steady beat on the drumet during the parade.
ドラマーはパレード中にドゥルメットで一定のリズムを演奏しました。
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

アルダーマンの職位
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
彼は多年の奉仕後、アルダーマンの職位を授与されました。
C2 adjective /ˈmʌnid/

Moneyed

金持ち; 裕福な; 富裕な
Meaning
having much money; wealthy; rich
Example
She comes from a moneyed family with extensive real estate holdings.
彼女は広範な不動産を持つ裕福な家庭から来ています。
C2 noun /vərˈmɪl.jən/

Vermillion

鮮やかな赤橙色; この色の顔料
Meaning
a bright red-orange color; a pigment of this color
Example
The artist used vermillion paint for the sunset.
アーティストは夕焼けのためにヴァーミリオンペイントを使用しました。
C2 adjective /ˌfærɪˈseɪɪkəl/

pharisaical

偽善的な
Meaning
Excessively concerned with formal rules or outward show of morality, often in a hypocritical way.
Example
His pharisaical behavior made people doubt his sincerity.
彼の偽善的な行動は、彼の誠実さに疑問を投げかけた。
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

シナジック
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
2つの部署は生産性を高めるシナジックな関係を持っています。
C2 adjective /droʊl/

droll

ユニーク
Meaning
curious or unusual in a way that provokes dry amusement
Example
He had a droll sense of humor that made everyone laugh.
彼はみんなを笑わせるユニークなユーモアのセンスを持っていた。
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

ネオラテン
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
多くの科学的な名前はネオラテンから派生しています。
C2 adjective /ˈɛksplɪkəbəl/

explicable

説明可能な
Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
彼の突然の怒りは、ストレスの多い状況を考慮すれば説明可能だった。
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

学内
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
大学は毎学期、学内スポーツ競技を開催しています。
C2 noun /ˈsʌplɪkənt/

supplicant

請願者
Meaning
A person who humbly or earnestly asks for something, usually from a person of authority.
Example
The temple was filled with supplicants seeking blessings.
寺院には祝福を求める請願者で溢れていました。
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 adjective /haɪˈbɜːrnəl/

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
C2 adjective /trænzˈmɪsəbl/

transmissible

感染性
Meaning
able to be passed or spread from one person or thing to another
Example
COVID-19 is a highly transmissible disease.
COVID-19 は非常に感染しやすい病気です。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
C2 verb /ˈtɛmpəˌraɪz/

temporize

先延ばしにする
Meaning
To delay making a decision or taking action in order to gain time.
Example
The politician temporized when asked about the controversial issue.
政治家はその論争の的になっている問題について質問されると、先延ばしにした。
C2 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

魚類学者
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
魚類学者は川で新しい魚の種を発見しました。
C2 noun/verb /ɡraʊtʃ/

grouch

不機嫌な人
Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
彼は朝、コーヒーの前にいつもグラウチだ。
C2 noun/verb /ɡraʊs/

grouse

不平を言う / 鳥の一種
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
彼はいつも長時間働くことに不平を言います。
C2 noun /trænsˈluːsəns/

translucence

半透明性
Meaning
the quality of allowing light to pass through but not detailed shapes
Example
The translucence of the curtains filled the room with soft light.
カーテンの半透明性は部屋を柔らかい光で満たしました。
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 /ænˈtɪpəθi/

antipathy

アンチパシー
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
二つの競争する企業の間に相互のアンチパシーがありました。
C2 adjective /ˈvæpɪd/

vapid

退屈な
Meaning
lacking liveliness, flavor, or interest; dull and uninspired
Example
The lecture was so vapid that half the audience fell asleep.
講義は退屈すぎて、観客の半分が寝てしまった。
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 adjective/verb /ɪnˈkɑːrneɪt/

incarnate

具現化
Meaning
to embody or represent in human form; in flesh
Example
She is kindness incarnate.
彼女は親切さの具現化です。
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 noun /ˌfaɪ.təʊˈkem.ɪ.kəlz/

phytochemicals

フィトケミカル
Meaning
Natural chemical compounds produced by plants that provide health benefits beyond basic nutrition, often having antioxidant properties.
Example
Phytochemicals in green tea help reduce inflammation.
緑茶に含まれるフィトケミカルは炎症を軽減するのに役立ちます。
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 /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
C2 adjective /ˌmæl.əˈfɪʃ.ənt/

maleficient

悪意のある
Meaning
Doing harm or evil; having a harmful effect.
Example
The maleficient acts of the tyrant ruined the kingdom.
暴君の悪意のある行為は王国を滅ぼした。
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 /ˈpɒntɪfɪkeɪt/

pontificate

傲慢または教義的な方法で話すまたは行動する; 教皇として務める
Meaning
to speak or act in a pompous or dogmatic way; to officiate as a pontiff
Example
He pontificated on the importance of education for over an hour.
彼は1時間以上にわたり教育の重要性について傲慢に話しました。
C2 noun /ˈnɛkrəˌmænsi/

necromancy

死霊術
Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
古代の文献には、神父たちによって行われた死霊術の儀式が記述されています。
C2 adjective /ˈdʒen.ɪ.tɪv/

genitive

所有格
Meaning
relating to or denoting a case of nouns and pronouns indicating possession
Example
In English, the genitive case is often shown with an apostrophe and 's'.
英語では、所有格はアポストロフィと's'で示されます。
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 /ˈbælæst/

ballast

バラスト
Meaning
heavy material used to stabilize a ship or vehicle
Example
The ship was loaded with ballast to remain steady in the storm.
嵐の中で船が安定を保つためにバラストが積まれていました。
C2 adjective /mɔːrˈdeɪʃəs/

mordacious

辛辣または皮肉な
Meaning
Sharp or biting in style, tone, or remark; sarcastic.
Example
The critic’s mordacious review offended the author.
批評家の辛辣なレビューは著者を怒らせた。
C2 noun ˈtɪl.ɪdʒ

tillage

耕作
Meaning
The preparation of land for growing crops.
Example
Excessive tillage can lead to soil erosion.
過度の耕作は土壌侵食を引き起こす可能性があります。
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 ˈɔː.tɑː.ki

autarky

自給自足, 経済的独立
Meaning
Economic independence or self-sufficiency; a policy of establishing a self-sufficient national economy.
Example
Some nations aim for autarky to reduce reliance on imports.
いくつかの国は輸入への依存を減らすためにオータキーを目指しています。
C2 adjective /ˈɒsiəs/

osseous

骨のような
Meaning
consisting of or turned into bone; bony
Example
The fossil showed osseous structures of the ancient creature.
化石は古代の生物の骨のような構造を示しました。
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

貨幣学の
Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
彼は世界中からの珍しいコインの収集を持っています。
C2 adjective /dɪˈklæməˌtɔri/

declamatory

力強い演説スタイル
Meaning
speaking in a loud, rhetorical, or dramatic way
Example
The politician’s declamatory style impressed some but irritated others.
その政治家の力強い演説スタイルは一部の人々に感銘を与えたが、他の人々には不快感を与えた。
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

アグロフォレストリー
Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
アグロフォレストリーは土壌の質と作物の収量を改善します。
C2 noun /ˈɛnsaɪn/

ensign

Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
その船は港を出る前に国旗を掲げました。
C2 noun /ˈpɑːrvənuː/

parvenu

新興富裕層
Meaning
A person who has recently gained wealth or influence but is not yet accepted socially.
Example
He was seen as a parvenu who lacked refinement despite his riches.
彼は、金持ちでありながら洗練されていないパルヴェヌとして見られていました。
C2 noun /ˈmɒdɪkəm/

modicum

少しの量
Meaning
a small or moderate amount of something, especially something valuable or desirable
Example
She showed a modicum of patience during the long meeting.
長い会議の間、彼女は少しの忍耐を見せました。
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 adjective /ˈfɛtɪd/

fetid

悪臭のある、臭い
Meaning
having a strong, unpleasant smell
Example
The fetid smell from the garbage was unbearable.
ゴミからの臭いは耐えられなかった。
C2 noun /ˈhen.ə/

Henna

ヘンナ
Meaning
a reddish-brown dye made from the powdered leaves of a tropical shrub, used to color hair and decorate skin
Example
The bride's hands were beautifully decorated with intricate henna patterns for her wedding ceremony.
花嫁の手は、彼女の結婚式のために精巧なヘンナの模様で美しく飾られていました。
C2 noun /əbˈdʌktər/

abductor

誘拐犯
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
警察は長い捜索の後で誘拐犯を逮捕した。
C2 noun /ˈækmi/

acme

頂点
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
賞を獲得することが彼のキャリアの頂点でした。
C2 noun /ˈbʊljən/

bullion

金または銀のバルク
Meaning
Gold or silver in bulk before being coined or made into jewelry.
Example
The bank stores gold bullion in its vaults.
銀行は金の塊を金庫に保管しています。
C2 adjective /səˈprɛsəbl̩/

suppressible

抑制可能な
Meaning
capable of being restrained, controlled, or prevented
Example
The symptoms of the disease are suppressible with medication.
病気の症状は薬で抑制可能です。
C2 adjective /ˈruːnɪk/

runic

ルーンに関連する
Meaning
relating to or consisting of runes; mysterious or magical
Example
The old stone had strange runic carvings on it.
古い石には奇妙なルーンの刻印がありました。
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

命名法
Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
化学的命名法は初心者には理解するのが難しい場合があります。
C2 verb /pərˈlɔɪn/

purloin

盗む
Meaning
to steal something, often in a sneaky or dishonest way
Example
He tried to purloin a book from the library without being noticed.
彼は図書館から本を盗もうとしたが、気づかれなかった。
C2 verb /dɪˈkæmp/

decamp

逃げる
Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
泥棒は警察が到着する前に逃げました。
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

過剰
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
ホテルの価格の過剰さに観光客は驚いた。
C2 noun /tɔːˈtɒlədʒi/

tautology

不必要な繰り返し
Meaning
the unnecessary repetition of the same idea in different words
Example
The phrase 'it will happen or it won’t' is a tautology.
'それは起こるかもしれないし、起こらないかもしれない'というフレーズはトートロジーです。
C2 adverb /ˈdɑːrklɪŋ/

darkling

暗闇の中で
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
森の生き物は夜に暗闇の中で動いていた。
C2 noun /ˈeb.taɪd/

Ebb-tide

干潮
Meaning
the movement of the tide out to sea; a time when the sea level is falling
Example
During ebb-tide, we could walk further out on the beach.
干潮時には、ビーチでさらに遠くに歩けました。
C2 verb /trænzˈmjuːt/

transmute

変換する
Meaning
to change in form, nature, or substance
Example
Alchemy aimed to transmute lead into gold.
錬金術は鉛を金に変えることを目指していた。
C2 noun ˌiːkwəˈnɪməti

equanimity

心の平静、冷静さ、バランス、特に困難な状況下で
Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
彼女はそのニュースを驚くべき冷静さで対処した。
C2 noun /ˈmɪsəl/

missal

ミサの書
Meaning
a book containing the texts used in the Catholic Mass throughout the year
Example
The priest read from the missal during the ceremony.
祭司は儀式中にミサの書から読んでいました。
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 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 noun /ˈhæŋ.kər.ɪŋ/

hankering

切望
Meaning
a strong desire or craving for something.
Example
She had a hankering for chocolate late at night.
彼女は夜遅くにチョコレートへの切望を感じていた。
C2 noun /ˈfɜːrnəri/

fernery

シダ植物の栽培所、シダを育てる場所
Meaning
a place or greenhouse where ferns are cultivated
Example
The garden's fernery was full of exotic plants.
庭のファーネリーは珍しい植物でいっぱいだった。
C2 verb /ˈtæri/

tarry

遅れる
Meaning
To delay or linger; to stay longer than intended.
Example
Do not tarry, or you will miss the train.
遅れないで、さもないと電車に乗り遅れるよ。
C2 adjective /ˈkɒndaɪn/

condign

相応しい
Meaning
deserved, appropriate, and fitting (especially punishment)
Example
The criminal received condign punishment for his crimes.
犯人は自分の罪にふさわしい罰を受けた。