aggrieve
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 verb /əˈɡriːv/

aggrieve

傷つける
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
彼女は不公平な決定に心を痛めていた。
C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

論争の余地がない
Meaning
impossible to deny or dispute; unquestionable
Example
The evidence was incontrovertible and proved his innocence.
その証拠は論争の余地がなく、彼の無罪を証明しました。
C2 adjective /flɛgˈmæt.ɪk/

phlegmatic

冷静
Meaning
having an unemotional and stolidly calm disposition
Example
Despite the chaos, he remained phlegmatic and composed.
混乱の中で、彼は冷静で落ち着いていました。
C2 noun /ˈpɛtjʊləns/

petulance

気難しさ
Meaning
The quality of being childishly sulky or bad-tempered.
Example
His petulance during the meeting annoyed everyone.
会議中の彼のペチュランスはみんなをイライラさせた。
C2 verb /rɪˈspaɪər/

respire

呼吸する
Meaning
To breathe in and out; to inhale and exhale.
Example
Plants also respire to release energy.
植物もエネルギーを放出するために呼吸します。
C2 noun /ˌdaɪələˈtɪʃən/

dialectician

弁証法の専門家
Meaning
A person skilled in dialectic or logical argument.
Example
Socrates is often considered the greatest dialectician in history.
ソクラテスはしばしば歴史上最も偉大な弁証法の専門家と見なされます。
C2 verb /bɪˈweɪl/

bewail

嘆き悲しむ
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
彼女は子どもの頃の家を失ったことを嘆き悲しんだ。
C2 adjective /ˈhaɪndmoʊst/

hindmost

最も後ろの
Meaning
Farthest back; last in position.
Example
The hindmost car in the convoy broke down first.
隊列で最も後ろの車が最初に壊れた。
C2 noun /ˈvɪzɪdʒ/

visage

幸福
Meaning
A person's face or facial expression.
Example
Her stern visage intimidated the children.
彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

古語
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
その詩は古語で満たされており、それが古風な味わいを与えています。
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 noun /ˈkɒl.ə.kwi/

colloquy

正式な対話
Meaning
A formal conversation or dialogue, often on serious or academic topics.
Example
The professors engaged in a deep colloquy about the future of education.
教授たちは教育の未来について深い対話を交わしました。
C2 verb /nɑːrl/

gnarl

ねじれる
Meaning
To twist into a knotted or distorted form.
Example
The tree roots began to gnarl around the stones.
木の根が石の周りにねじれ始めた。
C2 noun /ˌvæs.ɪˈleɪ.ʃən/

Vacillation

迷い
Meaning
the inability to decide between different opinions or actions; indecision
Example
His constant vacillation between career choices frustrated his parents.
彼のキャリア選択の間の絶え間ない揺れは、彼の親を困惑させました。
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 verb /bɪˈlaɪ/

belie

偽る
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
彼の落ち着いた顔は彼の内なる不安を偽っていた。
C2 noun /əˈbluːʃən/

ablution

アブリューション
Meaning
the act of washing oneself, often for religious purposes
Example
He performed his morning ablution before the prayer.
彼は祈りの前に朝のアブリューションを行った。
C2 adjective /ˈdʌktaɪl/

ductile

延性
Meaning
capable of being stretched into a thin wire without breaking; easily influenced
Example
Gold is a very ductile metal.
金は非常に延性のある金属です。
C2 noun /ˈmæl.əˌfæk.tər/

malefactor

悪党
Meaning
A person who commits a crime or does evil.
Example
The malefactor was arrested for the robbery.
その悪党は強盗で逮捕された。
C2 noun /dɪˈkæmərən/

decameron

デカメロン (ボッカッチョの物語集)
Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
デカメロンはイタリア古典文学の傑作とされています。
C2 noun /ˈkɜːrtʃɪf/

kerchief

バンダナ
Meaning
a piece of cloth worn around the head or neck
Example
She wore a red kerchief on her head.
彼女は頭に赤いバンダナを巻いていました。
C2 adjective /ɔːˈrɔːrəl/

auroral

オーロラに関連する
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学者たちは夜空でオーロラルの活動を観察しました。
C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
校長は生徒間の対立で仲裁者として行動した。
C2 verb /rɪˈɡeɪl/

regale

楽しませる
Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
彼は世界中を旅した話で私たちを楽しませました。
C2 adjective /svelt/

svelte

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

disunion

分裂
Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
内戦はしばしば国家の分裂から起こる。
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 /ˈbloʊˌhɑrd/

blowhard

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

stein

ビールジョッキ
Meaning
A large beer mug, typically made of glass or stoneware.
Example
He raised his stein to toast his friends.
彼は友達のために乾杯するためにシュタインを持ち上げました。
C2 adjective /ˌɛfəˈvɛsənt/

effervescent

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

consignee

受取人
Meaning
the person or company to whom goods are delivered
Example
The consignee received the shipment on time.
受取人は時間通りに配送を受け取りました。
C2 verb /ˈhɜːrtl/

hurtle

猛スピードで進む
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
車は山道を猛スピードで下っていました。
C2 noun /ˈlaɪtoʊtiːz/

litotes

緩和表現
Meaning
a figure of speech in which an affirmative is expressed by the negative of its contrary
Example
Saying 'not bad' as a compliment is an example of litotes.
'悪くない'と言うことは、緩和表現の一例です。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

酒と楽しみの祭り
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小説はそのパーティーを過剰と喜びのバッカナリアとして描いています。
C2 noun /ˈhaʊsˌbreɪkɪŋ/

housebreaking

住居侵入
Meaning
the crime of breaking into a house with intent to steal
Example
The thief was arrested for housebreaking.
泥棒は住居侵入で逮捕された。
C2 verb /bɪˈɡaɪl/

beguile

魅了する / 欺いて引きつける
Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
彼女はストーリーテリングで観客を魅了した。
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 noun /ˈkeɪ.nə.naɪt/

canaanite

カナン人
Meaning
a member of a people who lived in the ancient land of Canaan in the Middle East
Example
The Canaanites were known for their advanced trade networks.
カナアン人は先進的な貿易ネットワークで知られていました。
C2 adjective /ˈfækʃəs/

factious

分裂的な
Meaning
causing disagreement or division within a group; inclined to form factions
Example
The debate became factious, splitting the committee into rival camps.
議論は分裂的になり、委員会は対立する陣営に分かれました。
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 /ɪnˈvɛstɪtʃər/

investiture

任命式
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
王は新しい騎士のために任命式を開催しました。
C2 adjective /ˈmɔːrdənt/

mordant

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

somatic

身体的
Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
ヨガは身体的および精神的健康を改善することができます。
C2 adjective ˌlæb.əˈrɪn.θaɪn

labyrinthine

迷路のような
Meaning
Like a labyrinth; complicated and confusing; having many interconnected paths or passages.
Example
The old city streets were labyrinthine.
古い街の通りは迷路のようだった。
C2 adjective /rɪˈkæl.sɪ.trənt/

recalcitrant

反抗的, 頑固な, 服従しない
Meaning
Having an obstinately uncooperative attitude toward authority or discipline.
Example
The recalcitrant student refused to follow rules.
反抗的な学生は規則に従うことを拒否した。
C2 adjective /ˈbɑː.bər.əs/

Barbarous

野蛮な; 残忍な; 未開の
Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
囚人に対する野蛮な扱いは人権団体によって非難された。
C2 verb /drɔːl/

drawl

だらだらと話す
Meaning
to speak in a slow, lazy way with prolonged vowel sounds
Example
He tends to drawl when he is tired.
彼は疲れているときに、だらだらと話す傾向があります。
C2 verb /pɜːrl/

purl

ささやくような音で流れる
Meaning
To knit with a purl stitch; to flow with a murmuring sound (as a stream).
Example
The brook purled softly through the meadow.
小川は草地を静かに流れた。
C2 adjective /dɪsˈkɒnsələt/

disconsolate

慰めようのない
Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
悪い知らせを聞いた後、彼女は慰めようのない状態でした。
C2 adjective /ˌkɑːmənˈsɛnsɪkəl/

commonsensical

常識的な
Meaning
based on or showing sound practical judgment; sensible
Example
It was commonsensical to carry an umbrella on a rainy day.
雨の日に傘を持つのは常識的なことだった。
C2 verb /ˈlɔɪtər/

loiter

Meaning
To stand or wait around idly without apparent purpose.
Example
The teenagers were told not to loiter outside the shop.
C2 adverb /ˌeɪˈmɔːrəli/

amorally

非道徳的に
Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
彼は非道徳的に行動し、自分の行動の結果を無視した。
C2 adjective /ˈvɪrəl/

virile

男性的
Meaning
having traditionally masculine qualities, such as strength, energy, and sexual vigor
Example
The actor was admired for his virile appearance.
俳優はその男性的な外見で賞賛されました。
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 verb /bɪˈfɒɡ/

befog

ぼやけさせる
Meaning
to confuse or make unclear; to cover with fog or mist
Example
His mind was befogged by exhaustion.
彼の心は疲れによってぼやけていた。
C2 adjective /ɒˈstɛnsɪv/

ostensive

明示的
Meaning
clearly demonstrative or pointing out; explicitly shown
Example
The teacher gave an ostensive example to clarify the concept.
先生はその概念を明確にするために、明示的な例を示しました。
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

神経保護
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
オメガ-3脂肪酸は神経保護効果があります。
C2 noun /ˈfaɪər.brænd/

firebrand

活動家
Meaning
a person who is passionate about a cause, often inciting change or action
Example
The activist was a true firebrand, inspiring everyone around him to join the protest.
その活動家は本物の火のような情熱を持ち、周りの全員を抗議に参加させた。
C2 adjective /ˌmæləˈdrɔɪt/

maladroit

不器用
Meaning
clumsy or awkward in movement or behavior
Example
His maladroit attempt at fixing the chair made it worse.
椅子を修理しようとした彼の不器用な試みは、さらに悪化させた。
C2 noun lɑːˈʒɛs

largesse

寛大さ
Meaning
Generosity in bestowing money or gifts upon others.
Example
His largesse towards the charity was greatly appreciated.
彼のチャリティーへの寛大さは大いに評価されました。
C2 noun /ˈmɒkəsɪn/

moccasin

モカシン
Meaning
A soft leather shoe, traditionally worn by Native Americans, often made from deerskin.
Example
He slipped on a pair of comfortable moccasins before going outside.
彼は外に出る前に快適なモカシンを履きました。
C2 noun /ɑːmz/

alms

施し
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
僧侶は貧しい村人たちに施しを分け与えた。
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 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 /ˈflɪpənsi/

flippancy

軽薄
Meaning
lack of seriousness; showing a disrespectful or trivial attitude
Example
His flippancy during the meeting offended his colleagues.
会議中の彼の軽薄さは、同僚を不快にさせた。
C2 adjective /bɪˈnɪɡnənt/

benignant

慈悲深い, 親切な
Meaning
Kindly and benevolent in nature.
Example
The teacher’s benignant attitude made the students feel comfortable.
先生の寛大な態度が学生たちを快適にさせた。
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

シンクロニズム
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
ダンサーの動きのシンクロニズムは観客を驚かせました。
C2 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

挿入する
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
編集者は原稿に欠落した段落を挿入した。
C2 noun /ˈdɛθsˌhɛd/

deaths-head

髑髏
Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
海賊の旗には恐ろしい髑髏の印がありました。
C2 noun /ˌmɪsˈruːl/

misrule

悪政
Meaning
bad or poor governance
Example
The kingdom suffered for decades under misrule.
王国は数十年にわたって悪政の下で苦しんだ。
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 noun /mæn əv wɔːr/

Man of war

戦艦
Meaning
a warship; a naval vessel equipped with weapons for warfare
Example
The man of war sailed across the ocean to defend the coast.
戦艦は海を越えて、海岸を守るために進んだ。
C2 adjective /ˌpriːpəˈzɛsɪŋ/

prepossessing

魅力的
Meaning
Attractive or appealing in appearance or manner.
Example
She had a prepossessing smile that charmed everyone.
彼女は魅力的な笑顔を持っていて、みんなを魅了した。
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 verb /ˈhɑːbəl/

hobble

よろけて歩く
Meaning
to walk awkwardly with difficulty, usually due to injury
Example
He hobbled across the room after twisting his ankle.
彼は足首をひねった後、部屋をよろよろと歩いた。
C2 noun /fɪˈlɒl.ə.dʒi/

philology

書かれた歴史的な資料における言語の研究; 言語学
Meaning
the study of language in written historical sources; linguistics
Example
She devoted her career to philology, researching ancient manuscripts.
彼女はフィロロジーに自分のキャリアを捧げ、古代の写本を研究していました。
C2 adjective /ˈdɒdərɪŋ/

doddering

震えている / 弱い
Meaning
Weak, shaky, or unsteady, especially due to old age.
Example
The doddering professor struggled to climb the stairs.
ドダリング教授は階段を登るのに苦労していました。
C2 noun /ˌsaɪ.kəʊˈɡræf.ɪks/

Psychographics

人々の態度、願望、その他の心理的基準に基づいて人々を研究し分類すること
Meaning
The study and classification of people according to their attitudes, aspirations, and other psychological criteria.
Example
Psychographics reveal consumer buying motives.
サイコグラフィックスは消費者の購買動機を明らかにします。
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 verb /ˈfʌdəl/

fuddle

混乱させる
Meaning
To confuse or stupefy, especially with alcohol or overwhelming information.
Example
The complicated instructions fuddled the new employees.
複雑な指示が新しい従業員を混乱させました。
C2 noun /ɪnˈtɛnʃən/

intension

内的意味
Meaning
The internal content of a concept; the set of attributes implied by a word or phrase.
Example
The intension of the word 'dog' includes being a mammal and domesticated.
'犬'という言葉のインテンションには哺乳類であり、飼いならされたことが含まれます。
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

外来患者
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
その患者は外来患者で、安静が必要ありません。
C2 noun /ˈɡraɪndstoʊn/

grindstone

砥石
Meaning
a thick disc of stone used for grinding, sharpening, or polishing tools
Example
The blacksmith sharpened his blade on the grindstone.
鍛冶屋はグラインドストーンで刃を研いだ。
C2 adjective /ˈmʌɡi/

muggy

蒸し暑くて湿気のある
Meaning
uncomfortably warm and humid
Example
It was a muggy afternoon in July.
7月の午後は蒸し暑かった。
C2 verb /ɪnˈdaɪt/

indite

作詞する
Meaning
To write or compose (literary or formal works).
Example
The poet indited a heartfelt sonnet.
詩人は心のこもったソネットを作詞した。
C2 noun /dɪˈbɛntʃər/

debenture

社債
Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
その会社は投資家に社債を発行して資本を調達した。
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

バイオレメディエーション
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
バイオレメディエーションは汚染された土壌から毒素を取り除くのに役立ちます。
C2 adjective /krɪˈpʌskjʊlər/

crepuscular

黄昏に関係する
Meaning
relating to twilight or active during twilight
Example
Bats are crepuscular animals, most active at dawn and dusk.
コウモリは黄昏時に活動的な動物で、夜明けと夕暮れ時が最も活発です。
C2 noun /ˈbʌskɪn/

buskin

厚底ブーツ
Meaning
A type of thick-soled boot that reaches halfway to the knee; also associated with tragic drama in ancient times.
Example
The actor wore a buskin as part of his classical costume.
俳優は彼のクラシックな衣装の一部としてバスキンを履いていました。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非自明
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
方程式を解くことは非自明な作業であることが分かりました。
C2 adjective /ˌɪnkənˈsɪdərəbl/

inconsiderable

取るに足らない
Meaning
Too small or unimportant to be worth considering.
Example
The donation was not inconsiderable, though smaller than expected.
寄付は取るに足らなかったが、予想よりも小さかった。
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 verb /ˈʌndərˌmæn/

underman

人手不足
Meaning
to supply with fewer workers or personnel than needed
Example
The hospital was undermanned during the flu outbreak.
インフルエンザの流行時に病院は人手不足でした。
C2 adjective /fjuːˈnɪəriəl/

funereal

葬儀的
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
発表後、部屋は葬儀的な静けさで満たされた。
C2 verb /kəmˈpɔːrt/

comport

振る舞う
Meaning
to behave or conduct oneself in a particular way
Example
She comported herself with grace during the ceremony.
彼女は式典中に優雅に振る舞いました。
C2 verb /ɪmˈpjuːt/

impute

帰する
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
彼らは会社の成功を良いリーダーシップに帰属させた。
C2 adjective /ˈnɒti/

knotty

複雑
Meaning
Complicated, difficult to solve or full of knots.
Example
He faced a knotty legal issue.
彼は複雑な法的問題に直面しました。
C2 noun /ˌɪnkrʌˈsteɪʃən/

incrustation

硬化層
Meaning
a crust or hard coating formed on the surface of something
Example
The old pipes were blocked due to heavy incrustation of minerals.
古いパイプは鉱物の重い硬化層によって詰まっていました。
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

正直でオープン
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
ビジネス取引は完全に正直でオープンでした。
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 /vaɪˈkɛəriəs/

vicarious

幸福
Meaning
experienced through the feelings or actions of another person
Example
She felt vicarious excitement watching her son win the award.
彼女は賞を受け取ったとき、幸福を隠すことができなかった。
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 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 adjective /ˈkræbɪd/

crabbed

読みにくい、機嫌が悪い
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
彼の手書きは読みにくく、ほとんど判読不能だった。
C2 noun /ˈkwɒdrʊpɛd/

quadruped

Meaning
an animal that walks on four feet
Example
Most mammals are quadruped creatures adapted for running and stability.
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 noun /ˈpjuːɪsəns/

puissance

Meaning
Great power, strength, or influence.
Example
The empire showed its puissance through vast armies.
帝国は膨大な軍隊を通じてその力を示しました。
C2 noun /ˈlaɪər/

lier

嘘つき
Meaning
a person who tells lies; an alternative spelling of liar
Example
No one trusted him because he was known as a habitual lier.
彼は常習的な嘘つきだったので、誰も彼を信用しなかった。
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

前兆
Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
春の最初のコマドリは、来るべき暖かい天気の前兆と見なされることがよくあります。
C2 adjective /ɪkˈskɜːsɪv/

excursive

逸脱した
Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
彼の逸脱した講義は、学生たちを主題について混乱させました。
C2 noun /əˈbrɪdʒmənt/

abridgment

要約版
Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
出版社は学生のために長編小説の要約版を公開しました。
C2 noun /fiːf/

fief

封建制度の下で保有される土地; 支配領域または制御区域
Meaning
an estate of land held under the feudal system; a domain or area of control
Example
The knight was granted a fief by the lord for his service.
騎士はそのサービスに対して領主から封土を与えられました。
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

無効性
Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
裁判所はその契約に無効性があると判断した。
C2 adjective /ˈstɪdʒiən/

stygian

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

enfranchise

幸福
Meaning
To grant the right to vote or other rights of citizenship.
Example
The new law enfranchised thousands of people.
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 /ˈlæriət/

lariat

ロープ
Meaning
A long rope with a noose at one end used to catch animals such as cattle or horses.
Example
The cowboy threw his lariat to catch the stray horse.
カウボーイは迷子の馬を捕まえるためにロープを投げました。
C2 noun /ɪnˈvɛktɪv/

invective

侮辱的な言葉
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
その政治家の演説は、対立候補に対する侮辱的な言葉で満ちていた。
C2 noun /ˈtraɪdənt/

trident

トライデント
Meaning
A three-pronged spear, often associated with Neptune or Poseidon.
Example
The statue of Poseidon holds a mighty trident.
ポセイドンの像は力強いトライデントを持っています。
C2 noun /ˈdɛskænt/

descant

追加メロディー
Meaning
An additional melody or counterpoint sung or played above the main melody.
Example
The choir added a beautiful descant to the hymn.
合唱団は賛美歌に美しい追加メロディーを加えました。