cavil
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C2 verb /ˈkævəl/

cavil

無駄な反論をする
Meaning
to make petty or unnecessary objections
Example
She caviled at every detail of the plan.
彼女は計画のすべての詳細について無駄な反論をしていた。
C2 noun /paɪər/

pyre

火葬の火
Meaning
A heap of combustible material, especially one used for burning a corpse as part of a funeral ceremony.
Example
The villagers built a pyre to honor the deceased.
村人たちは亡くなった人を敬うために火葬の火を作った。
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 noun/verb /sluːs/

sluice

水門 / 洗う
Meaning
A sliding gate for controlling the flow of water; to wash or rinse with water in large quantities.
Example
The workers sluiced the mud off the street after the heavy rain.
作業員は大雨の後に通りから泥を洗い流しました。
C2 noun /ˈhʌmbʌɡ/

humbug

詐欺, くだらないこと
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
彼はその考えをくだらないことだとして退けた。
C2 noun /ˈfɪɡmənt/

figment

虚構, 想像
Meaning
something invented or imaginary; a fabrication of the mind
Example
The story of the haunted house is just a figment of her imagination.
幽霊屋敷の話は、彼女の想像の産物に過ぎない。
C2 noun /muˈleθi/

Mulethi

甘草の根
Meaning
licorice root, a sweet-tasting herb used in traditional medicine and cooking
Example
She prepared a herbal tea with mulethi to soothe her sore throat.
彼女はムレティでハーブティーを作り、喉の痛みを和らげました。
C2 noun /prəˈtuːbərəns/

protuberance

膨らみ
Meaning
A rounded swelling or lump on a surface.
Example
The doctor examined the small protuberance on his arm.
医師は彼の腕の小さな膨らみを調べました。
C2 noun /ˌæpəˈrɪʃən/

apparition

幻影
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
子供たちは古い家で突然現れた幻影に驚きました。
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

アジアドジョウウナギ
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
アジアドジョウウナギは空気を吸い、浅い泥の水で生き残ることができます。
C2 adjective /rɪˈkʌmbənt/

recumbent

横たわる
Meaning
lying down or in a resting position
Example
He was found recumbent on the sofa after a long day.
彼は長い一日の後、ソファで横になっているのが見つかりました。
C2 noun /kwaɪˈiːtəs/

Quietus

死または死を引き起こすもの; 最後の決着
Meaning
death or something that causes death; a final settlement
Example
The hero received his quietus from the villain's sword.
英雄は悪党の剣から自分のクワイエタスを受け取った。
C2 noun /ləˈdʒɪʃən/

logician

論理学者
Meaning
A person skilled in logic and reasoning.
Example
Aristotle is considered one of the greatest logicians in history.
アリストテレスは歴史上最も偉大な論理学者の一人と見なされています。
C2 adjective /ˈfrəʊərd/

froward

頑固な
Meaning
Difficult to deal with; contrary and disobedient.
Example
The teacher found the froward child hard to manage.
教師は頑固な子供を扱うのが難しいと感じた。
C2 noun /njʊˈrældʒə/

neuralgia

神経痛
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
患者は顔に神経痛を抱えています。
C2 noun /ˈtændʒənsi/

tangency

接線
Meaning
the condition of touching but not intersecting, especially in geometry
Example
The circle and the line are in a state of tangency at one point.
円と直線は1点で接する状態にあります。
C2 adjective /ˈdɛndrɔɪd/

dendroid

樹状の
Meaning
tree-shaped or branching like a tree
Example
The coral has a dendroid structure.
サンゴはデンドロイド構造を持っています。
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 adjective /ˌdɛbəˈnɛr/

debonair

魅力的
Meaning
confident, stylish, and charming, typically referring to a man
Example
He looked debonair in his tuxedo at the gala.
彼はガラでタキシードを着て魅力的に見えました。
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 noun /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

遺産を剥奪する
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
父親は息子の無謀な行動のために遺産を剥奪すると脅した。
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 noun /ˌmæləˈdɪkʃən/

Malediction

呪い
Meaning
A magical word used to invoke a curse; an evil spell
Example
The witch uttered a terrible malediction upon her enemies.
魔女は敵に恐ろしい呪いをかけました。
C2 noun /aɪər/

ire

怒り, 激怒
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
新しい政策は従業員の怒りを引き起こした。
C2 verb /fɔːrˈboʊd/

forebode

予兆する
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
暗い雲が来る嵐を予兆している。
C2 noun /ˈmuːn.biːm/

moonbeam

月光
Meaning
A ray of light from the moon.
Example
A moonbeam lit up the quiet forest clearing.
月光が静かな森の開けた場所を照らした。
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 adjective /ɪˈnɪkwɪtəs/

iniquitous

不正義
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
奴隷制は歴史上最も不正義な行為の一つでした。
C2 noun /hɜːrs/

Hearse

霊柩車;
Meaning
a vehicle for conveying the coffin at a funeral; a funeral car
Example
The black hearse slowly made its way to the cemetery, followed by a procession of mourners.
黒い霊柩車がゆっくりと墓地に向かい、その後ろに哀悼の列が続いていた。
C2 noun /ˈfænˌtæzəm/

phantasm

幽霊
Meaning
an illusion, ghost, or figment of the imagination
Example
The child claimed to see a phantasm in the old house.
子供は古い家で幽霊を見たと主張した。
C2 noun /ˌɪnjuːˈɛndəʊ/

innuendo

暗示
Meaning
An allusive or oblique remark or hint, typically a suggestive or disparaging one.
Example
The manager's innuendo was directed towards his competitor.
マネージャーの暗示は競争相手に向けられていました。
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

樹木に関する
Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
サルは樹上性の動物で、ほとんどの時間を木の上で過ごします。
C2 noun /ˌnɛɡlɪˈʒeɪ/

negligee

軽いシルクの寝間着
Meaning
A woman's light dressing gown, often made of thin or silky material.
Example
She wore a silk negligee before going to bed.
彼女は寝る前にシルクのネグリジェを着ていました。
C2 noun /ˈiːdʒɪs/

aegis

保護
Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
このプロジェクトは国連の庇護の下で実施されました。
C2 noun /ˈleʧ.ər/

Lecher

好色な男
Meaning
a man who behaves in a sexually inappropriate way towards women
Example
The company fired him for being a lecher.
会社は彼が好色な男だったため、解雇した。
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

不適切な
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
彼の不適切な発言は会議の雰囲気を台無しにしました。
C2 noun /ˈbɪɡ.ə.mɪst/

bigamist

重婚者
Meaning
A person who commits the crime of marrying someone while already married to another.
Example
The man was arrested for being a bigamist.
その男はビガミストであるため逮捕された。
C2 adjective /ɪmˈpæsɪbəl/

impassible

無痛性
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
一部の哲学者は、神は無痛性であり、人間の感情を感じることはできないと主張しています。
C2 noun /ˈtʊrnɪkɪt/

tourniquet

止血帯
Meaning
a device used to stop bleeding by compressing blood vessels
Example
The medic applied a tourniquet to stop the bleeding.
医師は出血を止めるために止血帯を使用しました。
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 adjective /ˌmɛrəˈtrɪʃəs/

meretricious

虚偽的
Meaning
apparently attractive but having no real value or integrity.
Example
The design was flashy but meretricious.
デザインは華やかだったが、虚偽的だった。
C2 adjective /bɪˈfɒɡd/

befogged

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

verisimilar

真実に似ている
Meaning
appearing to be true or real
Example
The story seemed verisimilar though it was entirely fictional.
その話は真実に似ているように思えたが、完全に架空のものだった。
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 adverb /əˈsɪdʒuəsli/

assiduously

熱心に
Meaning
with great care and persistence
Example
He worked assiduously to complete the project before the deadline.
彼は締め切り前にプロジェクトを完了するために熱心に働きました。
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

耳をつんざくような
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
火災警報の耳をつんざくような音がみんなを驚かせた。
C2 noun /ˈsɔː.dər/

Sawder

お世辞; おべっか
Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
彼のオベッカは誰にも彼の誠実さを納得させることができなかった。
C2 adjective /ˈkɑːrnəl/

carnal

肉体的
Meaning
Relating to physical, especially sexual, desires and appetites.
Example
The book explores the conflict between spiritual and carnal desires.
この本は精神的欲望と肉体的欲望の間の対立を探ります。
C2 noun/verb /dɪsˈfeɪvər/

disfavor

不支持 / 不快
Meaning
disapproval or dislike; to regard with disapproval
Example
The new policy fell into disfavor with the public.
新しい政策は一般の人々の間で不評を買いました。
C2 noun /ɪˈfʌldʒəns/

effulgence

輝き
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
日の出の輝きが谷全体を照らした。
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 noun /kənˈtɔːrʃənz/

contortions

捻じれの複数形; いくつかのねじれたまたは曲がった形
Meaning
plural form of contortion; multiple twisted or bent shapes
Example
The magician's contortions left the crowd in awe.
魔術師のコンタ―ションは観客を驚かせた。
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 adjective /ˌpɜːrtɪˈneɪʃəs/

pertinacious

頑固な
Meaning
holding firmly to an opinion, purpose, or course of action; stubbornly persistent
Example
The pertinacious lawyer refused to give up the case.
頑固な弁護士は事件を諦めることを拒否しました。
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 /ˈnes.lɪŋ/

Nestling

ヒナ
Meaning
a young bird that has not yet left its nest
Example
The mother bird fed the hungry nestling with worms.
母鳥は空腹のヒナに虫を与えました。
C2 noun /ˌæntɪˈtɒksɪn/

antitoxin

抗毒素
Meaning
A substance that neutralizes a specific toxin in the body.
Example
The doctor administered an antitoxin to counter the snake venom.
医師は蛇の毒を無効にするために抗毒素を投与しました。
C2 adjective /ˌɪnˈekspɜːrt/

inexpert

未熟な
Meaning
not skilled or experienced; lacking expertise
Example
The inexpert handling of the machine caused several mistakes.
機械の未熟な扱いがいくつかのミスを引き起こした。
C2 noun, verb /ˈhæmstrɪŋ/

hamstring

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

hand-wringing

過剰な心配
Meaning
excessive worry or concern expressed in a visible or dramatic way.
Example
There was much hand-wringing over the political crisis.
政治危機について多くの心配がありました。
C2 noun /drɛɡz/

dregs

残渣
Meaning
the remnants of a liquid left in a container, together with any sediment or grounds; the most worthless part of something
Example
He drank the dregs of the coffee before leaving.
彼は出発する前にコーヒーの残渣を飲んだ。
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 /ˈhʌstɪŋz/

hustings

選挙活動
Meaning
the political campaigning and speeches before an election
Example
The candidate gained popularity during the hustings.
候補者は選挙活動中に人気を集めました。
C2 verb /ˈtrʌk.əl/

truckle

従う
Meaning
To submit or yield obsequiously to someone in power.
Example
He refused to truckle to the demands of the corrupt officials.
彼は腐敗した役人の要求に従うことを拒否した。
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C2 noun /ˈhɑːtʃ.pɑːtʃ/

Hotchpotch

ごちゃ混ぜ; 物の無秩序な集まり
Meaning
a confused mixture; a jumbled assortment of things
Example
The room was a hotchpotch of old furniture, books, and random decorations.
部屋は古い家具、本、ランダムな飾り付けのごちゃ混ぜだった。
C2 verb /ˈlaɪ.ə.naɪz/

lionize

賛美する
Meaning
to treat someone as a celebrity or give a lot of public attention
Example
The press began to lionize the young scientist after his discovery.
彼の発見の後、メディアは若い科学者をライオナイズし始めました。
C2 verb /ˈmɔːrtɪfaɪ/

mortify

恥をかかせる
Meaning
to cause someone to feel great embarrassment or shame
Example
She was mortified when she tripped on stage.
彼女はステージでつまずいたとき、とても恥ずかしかった。
C2 verb /əˈbɑː.mə.neɪt/

abominate

嫌悪する
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
彼女は動物への残虐行為を憎んでいます。
C2 noun /ˈfrækɑː/

fracas

騒動
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
バーの外での騒動が警察の注意を引きました。
C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

これほど
Meaning
to such an extent
Example
He was insomuch tired that he could hardly stand.
彼はあまりにも疲れていて、ほとんど立つことができませんでした。
C2 verb /ɪnˈdɛmnɪfaɪ/

indemnify

Meaning
to compensate someone for harm or loss; to secure against future damage or cost
Example
The insurance company agreed to indemnify the client for the damages.
C2 adjective /ˈbɛərˌfeɪst/

barefaced

厚かましい
Meaning
shameless and undisguised; openly bold or unashamed
Example
He told a barefaced lie in front of everyone.
彼はみんなの前で厚かましい嘘をついた。
C2 noun /ˈlæsi/

lassie

小さな女の子
Meaning
a young girl (informal, mainly Scottish)
Example
The old man greeted the little lassie warmly.
老人は小さな女の子を温かく迎えました。
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 /pɛnˈtæmɪtər/

pentameter

ペンタメーター
Meaning
A line of verse consisting of five metrical feet.
Example
Shakespeare often wrote his plays in iambic pentameter.
シェイクスピアはよくアイアンビック・ペンタメーターで劇を書きました。
C2 adjective /ˈbɪbjələs/

bibulous

酒好き
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
彼の酒好きな習慣は家族を心配させた。
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可約
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 は不可約です。
C2 noun /ˈfaɪnəri/

finery

高級または装飾的な服
Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
彼女は最上の衣装でパーティーに出席した。
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

チームスピリット
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
チームのスピリットは、彼らの協力的な努力に明らかに現れていた。
C2 noun /ˌnjuːməˈreɪʃən/

numeration

数え方
Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
先生は学生たちに数え方の基本を説明しました。
C2 adjective /ˌpɛntəˈveɪlənt/

pentavalent

五価
Meaning
Having a valence of five, especially in chemistry.
Example
Phosphorus can exist in a pentavalent state.
リンは五価の状態で存在することができます。
C2 noun /ˈfʌstɪən/

fustian

浮かれたスピーチ
Meaning
pompous or pretentious speech or writing; originally a type of thick cloth
Example
The politician's speech was filled with fustian and empty promises.
政治家のスピーチは浮かれた言葉と空っぽの約束でいっぱいだった。
C2 adjective /ˌʌnpriːpəˈzɛsɪŋ/

unprepossessing

魅力的でない
Meaning
not attractive or appealing in appearance
Example
Despite his unprepossessing looks, he was very kind and intelligent.
彼は魅力的でない外見にもかかわらず、非常に親切で賢かった。
C2 adjective /ˈpeɪli/

paly

縞模様
Meaning
striped with different colors, usually used in heraldry
Example
The knight’s shield was decorated with paly stripes of red and gold.
騎士の盾には赤と金の縞模様が飾られていた。
C2 adjective /ˈpjʊəraɪl/

puerile

幼稚な
Meaning
childishly silly or immature
Example
His puerile jokes annoyed the audience.
彼の幼稚な冗談は観客をうんざりさせた。
C2 noun /pɜːr bɔɪld raɪs/

Per boiled rice

パーボイルドライス
Meaning
Rice that has been partially boiled in the husk before milling; parboiled rice
Example
Per boiled rice retains more nutrients than regular white rice.
パーボイルドライスは通常の白い米よりも多くの栄養素を保持します。
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

解消できない
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
結婚はかつて解消できない絆と見なされていました。
C2 noun /ˌvælɪˈdɪkʃən/

valediction

別れの言葉
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
教授は退職式で感動的な別れの言葉を述べました。
C2 noun /ɪɡˈzækʃən/

exaction

強制徴収
Meaning
the act of demanding or obtaining something, especially unfairly
Example
The peasants suffered under the king's heavy exactions.
農民たちは王の重い強制徴収の下で苦しんだ。
C2 noun /ˈtɛsteɪtər/

testator

遺言者
Meaning
a person who has made a will
Example
The lawyer read the will of the deceased testator.
弁護士は故人の遺言を読みました。
C2 adjective /ɪkˈstɛnsəbl/

extensible

拡張可能
Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
そのソフトウェアは新しい機能で拡張可能なように設計されています。
C2 verb /ˈsɪbəleɪt/

sibilate

シューという音で発音する
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
俳優はドラマチックな効果のためにセリフをシューという音で発音しました。
C2 verb /sweɪð/

swathe

Meaning
To wrap or cover closely or completely.
Example
She swathed the baby in a soft blanket.
C2 adjective /ˈtʃɛəri/

chary

用心
Meaning
cautious or wary about doing something
Example
She was chary of investing in the new business venture.
彼女は新しいビジネスに投資することに慎重だった。
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 /sæŋˈɡwɪniəs/

sanguineous

血液に関連する
Meaning
Relating to blood; bloody.
Example
The surgeon examined the sanguineous discharge from the wound.
外科医は傷口からの血なまぐさい分泌物を調べました。
C2 verb /ˈkʌzən/

cozen

だます, 騙す
Meaning
to deceive, cheat, or trick someone
Example
He cozened the old man out of his money.
彼は老人をだましてお金を取った。
C2 noun /ˈrʊkəri/

rookery

鳥の巣
Meaning
a place where rooks or other birds breed and nest in colonies
Example
We saw a rookery full of noisy birds near the forest.
森の近くで、騒がしい鳥たちでいっぱいの鳥の巣を見ました。
C2 adjective /rəˈʃɛrʃ/

recherche

希少
Meaning
Rare, exotic, or obscure, often in a sophisticated or refined way.
Example
The gallery displayed many recherche artworks from unknown artists.
ギャラリーは、未知のアーティストによる多くの希少なアート作品を展示しました。
C2 verb /ˈbækˌslaɪd/

backslide

後退
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
数ヶ月の進展の後、彼は古い習慣に戻り始めた。
C2 noun /sneɪk ɡɔːrd/

Snake gourd

ヘビウリ
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
ヘビウリは庭で蛇のような形に曲がりながら育ちます。
C2 verb /ɪmˈpjuːn/

impugn

Meaning
to dispute the truth, validity, or honesty of a statement or motive
Example
The lawyer tried to impugn the credibility of the witness.
C2 adjective /ˈmɒtld/

mottled

斑点模様の
Meaning
Marked with spots, streaks, or blotches of different shades or colors.
Example
The snake's mottled skin helped it blend into the forest floor.
ヘビの斑点模様の皮膚は、森の床に溶け込むのを助けました。
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

疲れ知らず
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
彼女の疲れ知らずの精神が、長いプロジェクトを通してチームを励ましました。
C2 noun

Kinsfolk

親戚, 家族
C2 noun ˌkɒdʒɪˈteɪʃən

cogitation

熟考, 思索
Meaning
The action of thinking deeply about something; contemplation
Example
After much cogitation, he made the final decision.
熟考の末、彼は最終的な決定を下しました。
C2 noun /ˈɡrɑːtoʊ/

grotto

洞窟
Meaning
a small picturesque cave, often artificial
Example
Tourists visited the grotto hidden behind the waterfall.
観光客は滝の後ろに隠れた洞窟を訪れました。
C2 noun kənˌsep.tʃu.ə.laɪˈzeɪ.ʃən

conceptualization

概念化
Meaning
The process of forming a concept or idea; the process of developing something in the mind.
Example
The conceptualization of renewable cities is groundbreaking.
再生可能な都市の概念化は画期的です。
C2 noun /sɛnˈtjʊəriən/

centurion

百人隊長
Meaning
A commander of a unit of one hundred soldiers in the ancient Roman army.
Example
The centurion led his men into battle with courage.
セントゥリオンは勇気を持って戦いに臨んだ。
C2 noun /ˈnaɪəlɪst/

nihilist

ニヒリスト
Meaning
A person who rejects all religious and moral principles, often believing that life is meaningless.
Example
He was called a nihilist for rejecting all social norms.
彼はすべての社会的規範を拒否したため、ニヒリストと呼ばれました。
C2 adjective /ˌhaɪpəˈdɜːrmɪk/

hypodermic

Meaning
relating to the region immediately beneath the skin; also refers to a type of needle or syringe used to inject drugs beneath the skin.
Example
The doctor used a hypodermic needle to administer the vaccine.
C2 verb /ˈtrʌŋkeɪt/

truncate

切り詰める
Meaning
to shorten something by cutting off the top or the end
Example
The article was truncated to fit the limited space.
その記事は限られたスペースに収めるために切り詰められました。
C2 verb /ˈvaʊtʃ.seɪf/

vouchsafe

授ける
Meaning
to grant or give something in a gracious or condescending manner
Example
He vouchsafed them a rare smile.
彼は彼らに珍しい笑顔を授けた。
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

無礼な
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
彼らを公然と批判するのは無礼だろう。
C2 noun /ˈæpəˌsteɪt/

apostate

背教者
Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
彼は自分のコミュニティの信仰を捨てた後、背教者と呼ばれた。
C2 verb /dɪˈsɛvər/

dissever

分ける
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条約は二つの敵対的な地域を分割しようとした。
C2 noun /prɪˈhɛnʃən/

prehension

つかむ動作; 何かをつかむ能力
Meaning
the act of grasping or seizing; the ability to take hold of something
Example
Therapists assessed the patient's prehension during hand therapy.
セラピストは手の治療中に患者のつかむ能力を評価しました。
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

アサフェティダ
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
アサフェティダを少し加えると、レンズ豆カレーに独特の風味が加わります。
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

無思慮な
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
彼がそんな失礼なコメントをするのは無思慮なことでした。