apropos
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C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

適切
Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
彼のコメントは議論には適切ではなかった。
C2 noun /ˈdændi/

dandy

外見と服装に過剰に気を使う男性
Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
若いダンディはパーティーの前に何時間も自分を整えるのに費やした。
C2 verb /ˈlɛvɪteɪt/

levitate

浮遊
Meaning
to rise or float in the air, usually without visible support.
Example
The magician made the table levitate during the show.
魔法使いはショーの間にテーブルを浮かせた。
C2 noun /ˈhɛptəˌɡɒn/

heptagon

七角形
Meaning
A polygon with seven sides and seven angles.
Example
The math teacher drew a heptagon on the board.
数学の先生は黒板にヘプタゴンを描きました。
C2 adjective /ˈbrækɪʃ/

brackish

塩水混合
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
川の河口には塩水混合の水があった。
C2 verb, noun /ˈkweɪvər/

quaver

震える
Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
彼女の声は群衆の前で話すとき震えていました。
C2 noun /dʒuːt liːf/

Jute leaf

ジュートの葉
Meaning
the edible leaves of the jute plant, commonly eaten as a leafy green vegetable
Example
Jute leaf is rich in vitamins and minerals and is often cooked with lentils in Bengali cuisine.
ジュートの葉はビタミンやミネラルが豊富で、ベンガル料理ではしばしばレンズ豆と一緒に調理されます。
C2 noun /ˈjuːfəni/

euphony

ユーフォニー
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演説者のスピーチはユーフォニーとリズムで満ちていた。
C2 noun /ˈtʃænsəri/

chancery

大審院
Meaning
A court of equity or the office of a chancellor.
Example
The case was taken to the chancery court for resolution.
その事件は解決のために大審院に持ち込まれました。
C2 noun /ˈbɑːr.kəˌroʊl/

barcarole

バルカロール
Meaning
a traditional Venetian boat song, often in 6/8 time
Example
The orchestra played a beautiful barcarole that reminded me of Venice.
オーケストラは美しいバルカロールを演奏し、私にヴェネツィアを思い出させました。
C2 verb /ˈdɔːd(ə)l/

dawdle

だらだらする
Meaning
to waste time by being slow or idle
Example
Stop dawdling and finish your homework.
ダラダラせずに宿題を終わらせてください。
C2 noun /ˈproʊbɪti/

probity

誠実
Meaning
The quality of having strong moral principles; honesty and decency.
Example
The judge was admired for his integrity and probity.
その裁判官は、誠実さと正直さで賞賛されました。
C2 adjective /ʌnˈmɪtɪɡeɪtɪd/

unmitigated

完全な
Meaning
absolute; not lessened or moderated
Example
The meeting was an unmitigated disaster.
会議は完全な災害でした。
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 /rəˈpeɪ.ʃəs/

rapacious

貪欲
Meaning
having an extreme desire to take things for oneself, greedy
Example
The rapacious landlord raised the rent without reason.
貪欲な家主は理由もなく家賃を上げた。
C2 noun /ˈæpəfθɛm/

apophthegm

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

bevy

群れ, グループ
Meaning
A large group of people or things of a particular kind.
Example
A bevy of swans floated on the lake.
一群の白鳥が湖を泳いでいた。
C2 noun /ˈstrɪplɪŋ/

stripling

若者
Meaning
a young man who is not yet fully grown
Example
The stripling dreamed of becoming a brave knight.
その若者は勇敢な騎士になることを夢見ていた。
C2 noun /ˈræpsədi/

rhapsody

高揚した歌/賛美
Meaning
an expression of great enthusiasm or an epic musical composition
Example
The singer’s performance was a rhapsody of emotions.
歌手のパフォーマンスは感情のラプソディでした。
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

扇動的な / 挑発的な
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
政治家の挑発的な発言が群衆を怒らせた。
C2 verb /trəˈdjuːs/

traduce

中傷する
Meaning
To speak badly of someone or tell lies to damage their reputation.
Example
He was furious when he found out that his rivals had traduced him.
彼は自分のライバルが彼を中傷したことを知って怒っていた。
C2 adjective /pɔːrˈtɛntəs/

portentous

前兆的な、重大な
Meaning
Giving a sign or warning that something, often bad or serious, is going to happen; or overly solemn and pompous.
Example
His portentous tone made everyone nervous about the news.
彼の前兆的な口調は、ニュースについて皆を不安にさせた。
C2 noun əˌklaɪ.mə.tɪˈzeɪ.ʃən

acclimatization

適応
Meaning
The process of adapting to a new environment or condition.
Example
The hikers needed time for acclimatization to high altitudes.
登山者は高い標高に適応するために時間が必要でした。
C2 noun /ˈsɜːrfɪt/

surfeit

過剰
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
祭りでは食べ物が過剰にあった。
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 noun /əˌbɑː.məˈneɪ.ʃən/

abomination

忌まわしい物
Meaning
a thing that causes disgust or hatred
Example
Slavery was considered an abomination.
奴隷制度は忌まわしい物と見なされていました。
C2 noun /ˌoʊpəˈlɛsəns/

opalescence

オパレスセンス
Meaning
a milky or pearly appearance of a surface like that of an opal
Example
The pearl had a gentle opalescence under the light.
パールは光の下で優しいオパレスセンスを持っていました。
C2 verb /ˌmɪsˈleɪ/

mislay

一時的に失う
Meaning
to lose something temporarily by putting it in the wrong place
Example
I must have mislaid my keys somewhere in the house.
私は家のどこかで鍵を一時的に失ったに違いない。
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 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

伸縮不可
Meaning
Not capable of being stretched or extended.
Example
This rope is made of an inextensible material.
このロープは伸縮不可の材料でできています。
C2 verb /ˈkɒd.l̩/

coddle

過保護にする
Meaning
to treat someone with excessive care or kindness, often in a way that is overprotective
Example
Parents should support their children without coddling them.
親は子供を甘やかさずにサポートすべきです。
C2 adjective /ˈmɔːrɪbʌnd/

Moribund

死にかけている; 衰退または腐敗の状態で
Meaning
near death; dying; in a state of decline or decay
Example
The moribund patient was in critical condition.
そのモリバンド患者は危機的な状態にありました。
C2 noun /ˌtɜːdʒɪvərˈseɪʃən/

tergiversation

回避, 二重性
Meaning
Evasion of straightforward action or speech; changing sides or being inconsistent.
Example
The politician’s tergiversation frustrated his supporters.
その政治家のタージヴァーセイションは彼の支持者を失望させた。
C2 adjective /ˈvɛntrəl/

ventral

腹側の
Meaning
relating to the underside or abdominal part of an animal or organ
Example
The fish has a white ventral surface.
その魚は白い腹側の表面を持っています。
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 noun /ˈɡɜːrn.zi/

Guernsey

セーター
Meaning
a knitted sweater; a type of woolen pullover
Example
He wore a warm guernsey during the cold winter evening.
彼は寒い冬の夕方に温かいセーターを着ていた。
C2 verb /ˈbæstərdaɪz/

bastardize

歪める
Meaning
to corrupt or debase something by altering it from its original form; to change in a way that reduces quality or purity
Example
Critics argue that the remake bastardized the original novel.
批評家たちはそのリメイクが原作を歪めたと言っている。
C2 adjective /ˈmɛtəlˌsʌm/

mettlesome

勇敢な
Meaning
Full of courage and spirit; lively and spirited.
Example
The mettlesome young rider never backed down from a challenge.
その勇敢な若い騎手は挑戦から決して後退しなかった。
C2 verb /ʌnˈɑːrm/

unarm

武装解除する
Meaning
to remove weapons from someone or to deprive of means of attack or defense
Example
The soldiers were ordered to unarm the prisoners.
兵士たちは囚人の武装を解除するよう命じられた。
C2 noun /ˈhaɪərlɪŋ/

hireling

傭兵
Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
傭兵は、忠誠心のないただのハイヤーリングとして解雇された。
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 /ˈdeɪ.ɪs/

Dais

演壇
Meaning
a raised platform, typically at one end of a room or hall, for speakers or honored guests
Example
The principal stood on the dais to address the entire school assembly.
校長は演壇に立ち、全校集会に話しかけました。
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 /neɪv/

Knave

不正直な人；トランプのジャック
Meaning
a dishonest person, especially a man; a playing card with a picture of a male servant
Example
The knave tried to cheat the old woman out of her savings.
その悪党は年老いた女性をだまして、貯金を奪おうとした。
C2 adjective /ˈtɪtjələr/

titular

名義上の
Meaning
holding a title or position in name only without real power; relating to the title of a work
Example
She is the titular head of the committee, but decisions are made by the coordinator.
彼女は委員会の名義上の長であり、決定はコーディネーターによって行われます。
C2 noun ˌpɜː.pɪˈtʃuː.ɪ.ti

perpetuity

永続性、永遠、継続性
Meaning
Permanence, eternity, continuity.
Example
The contract ensures payments in perpetuity.
契約は永続的な支払いを保証します。
C2 adjective /ˈpɔːrtli/

portly

ぽっちゃり
Meaning
Having a stout or somewhat fat body, often implying dignity or authority.
Example
The portly man entered the room with confidence.
ぽっちゃりな男性は自信を持って部屋に入った。
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 /ˈliːwərd/

leeward

風下の側
Meaning
On or toward the sheltered side away from the wind.
Example
They built their camp on the leeward side of the hill.
彼らは丘の風下の側にキャンプを建てました。
C2 adjective /ˈfæð.əm.ləs/

fathomless

理解不可能な、または測定不可能な; 非常に深い
Meaning
impossible to understand or measure; very deep
Example
The ocean seemed fathomless as it stretched to the horizon.
海は地平線まで広がると、測り知れないように見えました。
C2 noun /ˌdɪvɪˈneɪʃən/

divination

占い
Meaning
the practice of seeking knowledge of the future or the unknown by supernatural means
Example
Ancient people often relied on divination to guide important decisions.
古代の人々は重要な決定を導くために占いに頼ることがよくありました。
C2 adjective /ˈdʒɔːnti/

jaunty

陽気な
Meaning
Having a lively, cheerful, and self-confident manner or appearance.
Example
He walked into the room with a jaunty step.
彼は陽気な足取りで部屋に入った。
C2 noun /meɪs/

mace

メイス / 王杖
Meaning
a ceremonial staff carried as a symbol of authority or a weapon similar to a club
Example
The guard carried a mace as a symbol of authority.
ガードは権威の象徴としてメイスを持っていた。
C2 adjective /ˈfɒksi/

foxy

ずるい
Meaning
Clever, cunning, or attractive.
Example
He came up with a foxy plan to win the game.
彼はゲームに勝つためにずるい計画を思いついた。
C2 verb /ˌkaʊntərˈmænd/

countermand

命令を取り消す
Meaning
to revoke or cancel an order or command
Example
The general countermanded the previous orders immediately.
将軍は前の命令を直ちに取り消しました。
C2 noun /ˈpɒl.iˌθi.ɪz.əm/

polytheism

多神教
Meaning
the belief in or worship of multiple gods
Example
Ancient Greeks practiced polytheism, worshiping gods like Zeus and Athena.
古代ギリシャ人はポリシズムを実践し、ゼウスやアテナのような神々を崇拝していました。
C2 noun /kəˈnaɪ.vəns/

connivance

共謀
Meaning
the act of secretly allowing or being involved in wrongdoing
Example
The theft happened with the connivance of the security guard.
その窃盗は警備員の共謀で起こった。
C2 noun /ˈsɪʒ.ən/

scission

分裂
Meaning
the act of cutting or dividing something
Example
The political party suffered a scission over ideological disputes.
その政党はイデオロギーの対立により分裂を経験しました。
C2 adjective /ˈlɪmpɪd/

limpid

澄んだ
Meaning
Clear and transparent, easily understood.
Example
The limpid water of the lake reflected the sky perfectly.
湖の澄んだ水は完璧に空を反映していました。
C2 noun /ˈfɔːltˌfaɪndər/

faultfinder

欠点探し人
Meaning
a person who habitually finds fault with others
Example
He is such a faultfinder that nothing anyone does is ever good enough.
彼は欠点探し人で、誰かが何かをしても決して十分ではありません。
C2 noun /ˌskʌlˈdʌɡəri/

skullduggery

不正行為
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
選挙は政治的不正行為に満ちていた。
C2 adjective /ɔːˈrɪfərəs/

auriferous

金鉱を含む
Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
鉱山労働者は山で金鉱を含む鉱脈を発見しました。
C2 noun /ˌiː.tiˈɒ.lə.dʒi/

etiology

病因学
Meaning
the cause or origin of a disease or condition
Example
Doctors are studying the etiology of the new virus.
医師たちは新しいウイルスの病因学を研究しています。
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

特に嫌われるもの
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
文法は常に彼のベットノワールでした。
C2 noun /məˈnɒkrəsi/

monocracy

独裁政治
Meaning
A system of government by a single person; autocracy.
Example
The nation suffered under decades of monocracy.
国は数十年にわたるモノクラシーの下で苦しんだ。
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 /oʊˈbeɪsəns/

obeisance

敬意
Meaning
A gesture of respect such as a bow or curtsy.
Example
They bowed in obeisance to the king.
彼らは王に対して敬意を示すためにお辞儀をした。
C2 noun /səˈɡæs.ə.t̬i/

sagacity

深い知恵
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
彼のサガシティは彼を偉大なリーダーにしました。
C2 adjective /prəˈhɪbɪtɔːri/

prohibitory

禁止的な
Meaning
Serving or tending to prohibit or forbid.
Example
The prohibitory laws were strictly enforced in the region.
禁止的な法律は地域で厳しく適用された。
C2 noun /læŋ'ɡʊər/

Langoor

オナガザル
Meaning
a long-tailed monkey found in Asia, especially India and Southeast Asia
Example
The langoor was sitting on the tree branch eating fruits.
ラングールは木の枝に座って果物を食べていた。
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 /ˈɡær.ə.ləs/

Garrulous

おしゃべりな; うるさい; 話好き
Meaning
excessively talkative, especially on trivial matters; chatty and rambling in speech
Example
The garrulous old man at the coffee shop would talk for hours about his travels.
カフェでおしゃべりな年寄りの男は、旅行について何時間も話していた。
C2 verb /ˈblʌdʒən/

bludgeon

鈍器で殴る
Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.
ガードは小道で攻撃者に鈍器で殴られた。
C2 noun /pəˈlɛmɪks/

polemics

論争
Meaning
the art or practice of engaging in controversial debate or dispute
Example
The conference was full of polemics on economic reforms.
会議は経済改革についての論争で満ちていた。
C2 noun/verb /ˈlɛv.ən/

leaven

発酵剤
Meaning
a substance, typically yeast, that causes dough to rise; to permeate and modify
Example
A little yeast will leaven the bread dough.
少しのイーストがパン生地を膨らませる。
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

ケジリー
Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
朝食のメニューには、スモークハドックと卵が入った伝統的なケジリーがありました。
C2 verb /ˌɛfəˈvɛs/

effervesce

泡立つ
Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
ソーダは開けるとすぐに泡が立ち始めました。
C2 adjective /ˌser.ɪˈməʊ.ni.əs/

ceremonious

儀式的で礼儀正しい
Meaning
marked by formality, politeness, or strict observance of customs
Example
He gave her a ceremonious bow before entering the hall.
彼はホールに入る前に儀式的なお辞儀をしました。
C2 noun/adjective /ˈlæpɪˌdɛri/

lapidary

宝石細工師
Meaning
As noun: a person who cuts, polishes, or engraves precious stones; As adjective: relating to such work.
Example
The museum displayed lapidary tools used in ancient times.
博物館は古代に使用された宝石細工の道具を展示しました。
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 verb /əˈvaʊ/

avow

公然と宣言する
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
彼はためらうことなく、彼の忠誠心をその活動に公然と誓った。
C2 adjective /ɪnˈdɛkərəs/

indecorous

不作法
Meaning
Not in keeping with good taste and propriety; improper.
Example
His indecorous behavior shocked the audience.
彼の不作法な振る舞いは観客を驚かせた。
C2 adjective /ˈfer.əs/

ferrous

鉄を含む
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
鉄を含む金属は建設でよく使用されます。
C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道徳な; 不潔な;
Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
保守的な社会は彼女の行動を不道徳で不適切だと考えた。
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 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 /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 verb /vɪˈtjuːpəreɪt/

vituperate

酷評する
Meaning
To criticize harshly or abuse verbally.
Example
The politician was quick to vituperate his opponents during the debate.
政治家は討論中に相手をすぐに批判しました。
C2 noun /ˈkɒŋ.ɡru.əns/

congruence

整合性
Meaning
Harmony, compatibility and agreement between different elements.
Example
The congruence between their ideas made collaboration easy.
彼らのアイデアの整合性は、協力を容易にしました。
C2 adjective /dʒɛnˈtiːl/

genteel

上品な
Meaning
Polite, refined, or respectable, often in an affected or exaggerated way
Example
She spoke in a genteel manner that impressed the guests.
彼女は上品な方法で話し、ゲストに感銘を与えました。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

地球を一周する
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
マゼランは最初に地球を一周した人物です。
C2 verb /ɛnˈdʒɔɪn/

enjoin

命じる, 禁止する
Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
裁判官は会社に活動を続けることを禁じました。
C2 noun /ɪnˈvaɪtər/

invitor

招待者
Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
招待者は入口で客を温かく迎えた。
C2 adjective /koʊˈtɜːr.mɪ.nəs/

coterminous

隣接
Meaning
having the same boundaries or extent in space, time, or meaning
Example
The two jurisdictions are coterminous, sharing the same borders.
これらの2つの管轄区域は隣接しており、同じ境界を共有しています。
C2 adjective /ˈvɒl.jʊ.bəl/

Voluble

おしゃべりな; 多弁な
Meaning
speaking fluently and readily; talkative; having a continuous flow of words
Example
The voluble salesman talked for hours about his products.
おしゃべりなセールスマンは自分の製品について何時間も話し続けました。
C2 adjective /ˈɪndələnt/

indolent

怠惰
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
怠惰な猫は午後ずっと太陽の下で寝ていました。
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 adjective /ˈtɛsəleɪtɪd/

tessellated

タイル模様
Meaning
arranged in a pattern of repeated shapes fitting together without gaps
Example
The tessellated floor was made of colorful tiles arranged in perfect symmetry.
テセレイテッドな床はカラフルなタイルで作られ、完璧な対称性で配置されていました。
C2 verb /ˈtʃæfɪŋ/

chaffing

からかう
Meaning
Teasing or joking in a lighthearted way.
Example
They were chaffing each other during lunch.
彼らは昼食中にお互いに冗談を言っていた。
C2 adjective /roʊn/

roan

ロアン馬
Meaning
denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white
Example
The rider mounted a roan horse with a speckled coat.
騎手は斑点のあるコートを持ったロアン馬に乗った。
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

虹色の輝き
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
蝶の羽は虹色の輝きで輝いていました。
C2 verb /ˈstjuːpɪˌfaɪ/

stupefy

驚かす
Meaning
to make someone unable to think clearly, usually because of surprise or shock
Example
The magician's tricks stupefied the audience.
マジシャンのトリックは観客を驚かせた。
C2 noun /dreɪk/

Drake

雄鴨
Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
そのドレイクは、家族のカモたちを池の向こうに連れて行きました。
C2 noun /ˈkɑr.mɪn/

Carmine

カルミン
Meaning
a vivid crimson color; a red pigment obtained from cochineal
Example
The artist mixed carmine with white to create a beautiful pink shade.
アーティストはカーミンと白を混ぜて、美しいピンク色の色合いを作り出しました。
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 verb /ɪkˈstruːd/

extrude

押し出す
Meaning
to force something out through a small opening; to shape by pushing material through a mold
Example
The factory extrudes plastic pipes using modern machines.
工場は最新の機械を使用してプラスチック管を押し出します。
C2 adjective /ˌmɒnəkrəˈmætɪk/

monochromatic

Meaning
Consisting of or displaying only one color.
Example
The artist created a striking monochromatic painting in shades of blue.
C2 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

策略
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
彼らは税金を回避するために策略を使った。
C2 noun /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

エンダイブ
Meaning
A leafy vegetable belonging to the chicory family, often used in salads.
Example
She added fresh endive to the salad for a slightly bitter flavor.
彼女はサラダに少し苦味のある新鮮なエンダイブを加えました。
C2 verb /ˈædjʊˌleɪt/

adulate

過剰に賛美する
Meaning
to praise or flatter excessively
Example
The fans adulated the actor after his performance.
ファンたちは彼のパフォーマンスの後、俳優を賛美しました。
C2 noun, adjective /ˌtætərdɪˈmeɪliən/

tatterdemalion

ぼろぼろの服を着た人
Meaning
A person dressed in ragged clothes; ragged or dilapidated in appearance.
Example
A tatterdemalion wandered the streets in search of food.
タッターデマリオンは食べ物を探して通りを歩いていました。
C2 noun /ˈpɜːrljuː/

purlieu

周辺地域
Meaning
The area near or surrounding a place; an outlying or neighboring district.
Example
They spent the afternoon exploring the purlieus of the ancient city.
彼らは古代都市のパーリューを探索して午後を過ごした。
C2 verb /ˈhɑːrkən/

hearken

注意深く聞く
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
彼は意思決定を下す前に、メンターのアドバイスに耳を傾けた。
C2 noun /ˌtɜːsənˈtɛnəri/

tercentenary

三百周年記念
Meaning
The 300th anniversary of an event.
Example
The city celebrated its tercentenary with a grand festival.
その都市は盛大な祭りで三百年祭を祝いました。
C2 noun /rɪˈfrækʃən/

refraction

屈折
Meaning
The bending of light, sound, or other waves when they pass from one medium to another of different density.
Example
The refraction of light in water makes objects appear bent.
水中の光の屈折により、物体が曲がって見えます。
C2 adjective /ˈreɪ.moʊs/

ramose

分岐した
Meaning
having many branches.
Example
The ramose tree shaded the entire garden.
その分岐した木は庭全体に日陰を提供しました。
C2 verb ˈɑːb.fə.skeɪt

obfuscate

曖昧にする、混乱させる、隠す
Meaning
Render obscure, unclear, or unintelligible.
Example
Politicians often obfuscate facts to mislead people.
政治家はしばしば事実をわかりにくくして人々を誤導します。
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

無形
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
ゴーストはしばしば無形の存在として描かれます。
C2 adverb, adjective /ˈɡrætɪs/ or /ˈɡreɪtɪs/

gratis

無料
Meaning
Without charge; free of cost.
Example
The drinks at the event were provided gratis.
イベントで提供された飲み物は無料でした。
C2 noun /fɪˈlɒl.ə.dʒɪst/

philologist

言語学者
Meaning
a person who studies languages and their history
Example
The philologist analyzed ancient texts to understand language evolution.
言語学者は古代の文献を分析して、言語の進化を理解しようとした。
C2 noun /dɪˈsɛnʃən/

dissension

意見の相違
Meaning
Strong disagreement or difference of opinion, especially leading to discord within a group.
Example
The meeting ended in dissension among the committee members.
会議は委員会メンバー間の意見の相違で終了しました。