bucolic
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C2 adjective /bjuːˈkɒlɪk/

bucolic

田園
Meaning
Relating to the pleasant aspects of the countryside and country life.
Example
They enjoyed a bucolic picnic by the river.
彼らは川沿いで田園風のピクニックを楽しみました。
C2 adjective /ˌɪndɪˈtɜːrmənət/

indeterminate

不確定
Meaning
Not exactly known, defined, or established; vague or uncertain.
Example
The project was delayed for an indeterminate amount of time.
プロジェクトは不確定な期間に延期されました。
C2 adjective /ˈtɔːni/

tawny

黄褐色
Meaning
A warm, sandy or golden-brown color.
Example
The owl's tawny feathers blended with the tree bark.
フクロウの黄褐色の羽毛は木の皮と混ざり合った。
C2 noun /ˈɪnˌɡreɪt/

ingrate

Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
C2 adjective /ˌɪnkəˈməʊdiəs/

incommodious

不快な
Meaning
Uncomfortably small, cramped, or inconvenient.
Example
We had to stay in an incommodious room during the trip.
旅行中に不快な部屋に泊まらなければなりませんでした。
C2 verb /raɪv/

rive

裂ける
Meaning
to tear apart violently
Example
The earthquake rived the ground in several places.
地震がいくつかの場所で地面を裂けました。
C2 adjective /ɪnˈkoʊətɪv/

inchoative

初期の
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
詩人は創造の夜明けを描くために初期の表現を使いました。
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 adjective /mæɡˈnæn.ɪ.məs/

magnanimous

寛大, 気前が良い, 寛容
Meaning
Very kind and generous, especially towards a rival or someone less powerful than oneself.
Example
His magnanimous nature made him respected by all.
彼の寛大な性格は彼を皆から尊敬される存在にしました。
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 noun /ˈsʊrmə fɪʃ/

Surma fish

スルマ魚
Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
スルマ魚はシレット地域の川に生息しています。
C2 verb /ˌdɪskəmˈpoʊz/

discompose

動揺させる
Meaning
To disturb the order or calmness of something or someone.
Example
The unexpected question seemed to discompose her.
予期しない質問が彼女を動揺させたようだ。
C2 adjective /ˈɪnmoʊst/

inmost

最も内面の
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
彼女は最も内面的な考えを最も親しい友達に明かした。
C2 adjective /ˌoʊpəˈlɛsənt/

opalescent

オパール色の
Meaning
showing or reflecting a milky, iridescent light like an opal
Example
The opalescent sky glowed with shades of pink and blue.
オパレッセントな空はピンクと青の色合いで輝いていた。
C2 noun /ˈmæn.li.nəs/

manliness

男らしさ
Meaning
The quality of being manly; courage, strength, and honor associated with men.
Example
His manliness was admired by his peers.
彼の男らしさは仲間たちに賞賛された。
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 adjective /ˈsæpɪd/

sapid

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

tautological

冗長な
Meaning
expressing something by repeating the same idea in different words; redundant
Example
Saying 'free gift' is considered tautological.
'無料ギフト'と言うことは冗長と見なされます。
C2 noun /ˈmʌskɪt/

musket

古いタイプの銃
Meaning
a type of long gun used in the past, especially by infantry soldiers
Example
The soldiers carried muskets into the battlefield.
兵士たちは戦場にマスケットを持ち込んだ。
C2 verb /əˈbɛt/

abet

Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
C2 adjective /ˌiːvənˈhændɪd/

evenhanded

公平な
Meaning
Fair and impartial; showing no bias or favoritism.
Example
The judge was praised for her evenhanded approach to the case.
その裁判官は、公平なアプローチでその事件を扱ったことで称賛されました。
C2 adjective /loʊˈkweɪʃəs/

loquacious

おしゃべりな
Meaning
tending to talk a great deal; very talkative
Example
The loquacious child entertained everyone with endless stories.
おしゃべりな子供は、終わりのない物語で皆を楽しませた。
C2 noun /ˈdʒaɪənt sneɪk hɛd/

Giant snake head

オオカムルチー
Meaning
a large predatory freshwater fish with an elongated body and snake-like head
Example
The giant snake head is a fierce predator that can survive out of water for hours.
オオカムルチーは、水の外でも数時間生きられる獰猛な捕食者です。
C2 noun /ˌpæl.ənˈkiːn/

Palanquin

花嫁用の車
Meaning
a covered chair or bed carried on poles by bearers
Example
The bride was carried to the wedding ceremony in an ornate palanquin.
花嫁は装飾されたパランキンで結婚式に運ばれました。
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

開花
Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
庭は春にその開花のピークに達していました。
C2 verb /ʌnˈkaʊtʃ/

uncouch

ソファから取り除く（稀な意味）
Meaning
to remove from a couch or to release from being laid down (rare/archaic usage)
Example
The surgeon attempted to uncouch the cataract.
外科医は白内障を取り除こうとしました。
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 /ˈfʊl.krəm/

fulcrum

支点
Meaning
The point or support on which a lever pivots; a central or essential point of activity or support.
Example
The teacher became the fulcrum of change in the school.
教師は学校の変革の支点となった。
C2 adverb /əˈθwɔːrt/

athwart

横断, 反対
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
倒れた木が道路を横断して、交通を妨げていた。
C2 adjective /ˌʌnprəˈpɪʃəs/

unpropitious

不運な
Meaning
Not giving or indicating a good chance of success; unfavorable.
Example
The team began their journey under unpropitious weather conditions.
チームは不運な天候の中で旅を始めました。
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 verb /ˈbaʊdləˌraɪz/

bowdlerize

不適切な部分を削除する
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
編集者はその小説を子供向けに適したものにするために修正した。
C2 noun /ˈdʒɪb.ɪt/

Gibbet

絞首台
Meaning
a gallows for hanging criminals; an upright post with a projecting arm for hanging the bodies of criminals
Example
In medieval times, criminals were often executed on a gibbet as a public warning.
中世では、犯罪者はしばしば警告として絞首台で処刑された。
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 /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 /ˈprɛləsi/

prelacy

教会制度
Meaning
The office, dignity, or system of church government by prelates.
Example
The medieval church was dominated by prelacy and its traditions.
中世の教会はプレラシーとその伝統によって支配されていた。
C2 adjective /ˈɪkθiɪk/

ichthyic

魚のような
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
アーティストの絵には魚のような特徴がありました。
C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
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 adjective /ˈkrɛdʒʊləs/

credulous

信用しやすい
Meaning
Having or showing too great a readiness to believe things.
Example
The credulous child believed every story she heard.
その信用しやすい子供は、聞いた話をすべて信じました。
C2 verb /æbˈdʒʊər/

abjure

放棄する
Meaning
to formally renounce or give up a belief, cause, or claim
Example
He abjured his allegiance to the old regime.
彼は古い政権への忠誠を放棄した。
C2 noun (plural, informal) /skædz/

scads

たくさん
Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
彼女は街にたくさんの友達がいます。
C2 verb /ˈproʊtjuːbəreɪt/

protuberate

膨らむ
Meaning
To swell out or bulge.
Example
The roots began to protuberate from the ground.
根は地面から膨らみ始めました。
C2 noun /ˈsɪɡnət/

cygnet

子供の白鳥
Meaning
a young swan
Example
The cygnet swam closely behind its mother.
シグネットは母親の後ろを泳いでいた。
C2 noun /ˈkætɪˌkɪzəm/

catechism

教義問答
Meaning
A summary of religious principles often in the form of questions and answers; also a set of fixed questions or beliefs.
Example
The priest taught the children the catechism every Sunday.
司祭は毎週日曜日に子供たちにカテキズムを教えました。
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 adjective /ləˈkɒnɪk/

laconic

簡潔な
Meaning
using very few words; concise to the point of seeming rude or mysterious
Example
His laconic reply ended the conversation quickly.
彼の簡潔な返答は会話を迅速に終わらせた。
C2 adjective /saɪˈdɪəriəl/

sidereal

恒星の
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
天文学者は恒星時を使用して星の位置を追跡します。
C2 adjective /ˈsɪmiən/

simian

類人猿の
Meaning
Relating to, resembling, or affecting apes or monkeys.
Example
The scientist studied the simian behavior of the chimpanzees.
科学者はチンパンジーの類人猿の行動を研究した。
C2 noun /ˈdʒɒs.stɪk/

Joss-stick

お香
Meaning
a thin stick of incense that is burned for its pleasant smell, especially in religious ceremonies
Example
She lit a joss-stick in the temple during her prayers.
彼女は寺院で祈りの間にお香を灯しました。
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

反抗, 頑固
Meaning
stubborn refusal to obey authority
Example
His contumacy led to his suspension from the council.
彼の反抗は、彼が評議会から停職された原因となった。
C2 noun /dɪˈbɔːtʃəri/

debauchery

堕落
Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
この小説は街の貴族たちの堕落を描いています。
C2 verb /ænˈtɪpəθaɪz/

antipathize

反感
Meaning
to feel or express a strong dislike or aversion toward something or someone
Example
He seemed to antipathize with the new management's approach.
彼は新しい経営陣のアプローチに反感を示しているようだった。
C2 adjective /ˌɛkstrəˌdʒuːˈdɪʃəl/

extrajudicial

司法外
Meaning
done outside the authority of the legal system or judicial process
Example
The activists condemned the extrajudicial killings.
活動家たちは司法外での殺人を非難しました。
C2 noun /ˈlɛvi/

levee

堤防
Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
その町は洪水から守るために堤防を作った。
C2 noun /dʒɔːnt/

jaunt

短い旅行
Meaning
A short journey or excursion, usually taken for pleasure.
Example
They went on a weekend jaunt to the countryside.
彼らは週末に田舎へ短い旅行に行きました。
C2 noun /ˌæɡ.rəˈdeɪ.ʃən/

aggradation

堆積物によって土地が作られるプロセス
Meaning
The process of land being built up by sediment deposition.
Example
Aggradation helps in the natural expansion of riverbanks.
アグレデーションは河川の自然な拡張を助けます。
C2 noun /ˌɒn.əˌmæt.əˈpiː.ə/

onomatopoeia

オノマトペ
Meaning
The formation of a word from a sound associated with what is named.
Example
The word 'buzz' is an example of onomatopoeia.
'バズ'という言葉はオノマトペの一例です。
C2 noun /ˈlɪŋ.ɡoʊ/

lingo

専門用語
Meaning
Specialized or informal language used by a particular group that is often difficult for outsiders to understand.
Example
The manual was written in technical lingo that confused the new employees.
マニュアルは技術的な用語で書かれており、新しい従業員を混乱させました。
C2 verb /ˌmɪskənˈsiːv/

misconceive

誤解する
Meaning
To misunderstand or form an incorrect idea about something.
Example
He misconceived the purpose of the project.
彼はプロジェクトの目的を誤解しました。
C2 verb /əˈlɪtəreɪt/

alliterate

頭韻を踏む
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
詩人はしばしばリズムを作り出すために言葉をアリテレートします。
C2 verb /dɪˈmɜːr/

demur

異議を唱える
Meaning
to raise doubts, objections, or show reluctance
Example
She agreed to help without demur.
彼女は異議なく手伝うことに同意しました。
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 adjective /ɪˈlɪmɪtəbl/

illimitable

無限
Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
宇宙はしばしば無限であると説明されます。
C2 noun /ˌɛksɪˈkreɪʃən/

execration

呪い
Meaning
An act of cursing or denouncing someone or something with hatred.
Example
The dictator’s name was spoken with execration after his fall.
独裁者の名前は、彼の転落後に呪いの言葉と共に言われました。
C2 noun /ɪnˈtɛmpərəns/

intemperance

節度を欠くこと
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
彼の飲酒の節度を欠くことが健康を害した。
C2 verb /ɪˈkwɪvəˌkeɪt/

equivocate

曖昧に話す
Meaning
To speak ambiguously or avoid giving a clear answer.
Example
The politician equivocated when asked about the scandal.
その政治家はスキャンダルについて尋ねられたとき、曖昧に話した。
C2 noun /ˌæntiˈsaɪkloʊn/

anticyclone

反気旋
Meaning
A weather system with high atmospheric pressure at its center, usually bringing calm and clear conditions.
Example
An anticyclone brought sunny weather across the region.
アンチサイクロンは地域全体に晴れた天気をもたらしました。
C2 noun /ˈsoʊbrɪˌkeɪ/

sobriquet

あだ名
Meaning
a person's nickname or descriptive name
Example
The famous leader was known by the sobriquet 'The Iron Lady'.
その有名なリーダーは「アイアンレディ」というあだ名で知られていた。
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

至福の
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
彼女は良い知らせを聞いた後、至福の笑顔を浮かべていた。
C2 noun /ˌviːələnsɛloʊ/

violoncello

チェロ
Meaning
The full name of the cello, a large string instrument played with a bow and held between the knees.
Example
He practiced the violoncello for hours each day.
彼は毎日何時間もビオロンチェロを練習しました。
C2 noun /ˈpɛdənt/

pedant

細かいことにこだわる人
Meaning
A person who is excessively concerned with minor details or rules, often in a showy way.
Example
The professor was criticized as a pedant who focused too much on trivial details.
その教授は細かいことにこだわりすぎるペダントとして批判された。
C2 verb /ˌpriːɪnˈɡeɪdʒ/

preengage

事前契約
Meaning
To contract or engage beforehand; to arrange in advance.
Example
The workers were preengaged before the project officially started.
プロジェクトが公式に開始される前に、作業員はすでに前もって契約されていました。
C2 adjective /trænsˈfjuːzəbl̩/

transfusible

輸血可能
Meaning
capable of being transfused, especially referring to blood or fluids
Example
Only transfusible blood types are used in the hospital.
病院では輸血可能な血液型のみが使用されます。
C2 verb /kənˈdʒiːl/

congeal

固まる
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
スープはテーブルに放置されると固まり始めた。
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 verb /ˌriːkruːˈdɛs/

recrudesce

再発
Meaning
to break out or appear again after a period of dormancy or decline
Example
After months of calm, violence recrudesced in the region.
数ヶ月の静けさの後、暴力が再発しました地域で。
C2 verb /ˈblʌstər/

bluster

大声で自慢する
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
マネージャーは人を解雇すると大声で言ったが、何もしなかった。
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

幸福
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

delineation
Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
アーティストの風景のデリニエイションは驚くほど正確でした。
C2 adjective /ˈblɪŋkəd/

blinkered

視野が狭い
Meaning
Having a limited or narrow outlook; unable or unwilling to consider other perspectives.
Example
His blinkered attitude stopped him from seeing the bigger picture.
彼の視野が狭い態度は、より大きな絵を見せなかった。
C2 adjective /ɡlɪb/

glib

表面的だが不誠実な
Meaning
speaking easily but without sincerity or depth
Example
The politician gave a glib answer to a serious question.
政治家は深刻な質問に対して表面的な答えをしました。
C2 adjective /ˈsʌpliənt/

suppliant

請願者
Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
請願者は王の足元で慈悲を乞いました。
C2 verb /dɪˈbɔːtʃ/

debauch

堕落させる
Meaning
to corrupt morally; to lead into excessive indulgence in sensual pleasures
Example
The novel shows how wealth can debauch a person's character.
その小説は、どのように富が人の性格を堕落させるかを示しています。
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

格言的スタイル
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
彼女の執筆スタイルは簡潔で格言的です。
C2 adjective /ˈfɪnɪki/

finicky

気難しい; 詳細に非常にこだわる
Meaning
difficult to please; very particular about details
Example
He is so finicky about his food that he only eats organic vegetables.
彼は自分の食べ物に対してとても細かいので、有機野菜だけを食べます。
C2 noun /ˈhjuːməs/

humus

腐植土
Meaning
The dark, organic material in soil formed from decayed plants and animals.
Example
The gardener enriched the soil with humus to improve plant growth.
庭師は植物の成長を促進するために土にフムスを加えました。
C2 noun /liːdʒ/

liege

領主
Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
騎士は彼の領主に忠誠を誓った。
C2 verb /ˌpriːɔːrˈdeɪn/

preordain

前もって決める
Meaning
To decide or determine an outcome in advance, especially by fate or divine will.
Example
They believed their meeting was preordained by destiny.
彼らは自分たちの出会いが運命によって前もって決められていると信じていた。
C2 noun /kənˈsaɪnər/

consignor

発送者
Meaning
a person or company that sends goods to be sold or transported
Example
The consignor shipped the goods to the warehouse.
発送者は商品を倉庫に送った。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

ぼんやりとした前兆
Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
この劇は、今後の政治的不安定のぼんやりとした前兆を示している。
C2 adjective /pruːˈdɛnʃəl/

prudential

慎重な
Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
銀行は預金者を保護するために慎重な規則を設定しました。
C2 noun /ˈɑb.lə.kwi/

Obloquy

厳しい批判または言葉による虐待; 公共の非難
Meaning
harsh criticism or verbal abuse; strong public condemnation
Example
The politician faced obloquy after the scandal.
政治家はスキャンダルの後、厳しい批判を受けました。
C2 noun /ˈɑːm.lət/

Armlet

アームレット
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
伝統的なダンサーは、スポットライトの中で輝く金色のアームレットを着けていました。
C2 noun /ɪnˈsaɪzər/

incisor

切歯
Meaning
a narrow-edged tooth at the front of the mouth, adapted for cutting
Example
The dentist noted that his upper left incisor was chipped.
歯科医は彼の上の左側の切歯が欠けていることに気づきました。
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

Kinsfolk

親戚, 家族
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

オニカサゴ
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
オニカサゴは毒を注入できる危険な棘を持っています。
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 noun /ˌhaɪdrəˈstætɪks/

hydrostatics

静水力学
Meaning
The branch of science concerned with the mechanical properties of fluids at rest.
Example
Hydrostatics is essential in understanding how dams and reservoirs function.
静水力学はダムや貯水池の機能を理解するために不可欠です。
C2 noun /ˈsɛkstənt/

sextant

セクスタント
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
セクスタントを使用して、ナビゲーターは正午に船の位置を特定しました。
C2 verb /əbˈskɒnd/

abscond

密かに逃げる
Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
泥棒は盗まれた宝石を持って逃げようとした。
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 /ˌmænjəˈmɪʃən/

manumission

奴隷解放
Meaning
The act of a slave owner freeing their slaves.
Example
The manumission of the slaves marked a turning point in history.
奴隷の解放は歴史の転換点を示しました。
C2 noun /ˈænɪməlˌkjuːl/

animalcule

動物微生物
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
科学者は顕微鏡の下で動物微生物が動いているのを観察しました。
C2 verb /ɪnˈveɪɡəl/

inveigle

誘惑する
Meaning
To persuade someone to do something by deception or flattery.
Example
She inveigled him into signing the contract.
彼女は彼に契約書に署名させた。
C2 noun /mæŋˈɡoʊ.li.ə/

Mangolia

マグノリア
Meaning
a type of flowering tree with large, fragrant pink or white flowers
Example
The beautiful magnolia tree bloomed in spring with pink flowers.
美しいマグノリアの木は春にピンクの花で咲きました。
C2 noun /ˈfɔːrkɔːrt/

forecourt

前庭
Meaning
an open area in front of a large building, especially a petrol station or hotel
Example
The car was parked in the hotel forecourt.
車はホテルの前庭に駐車されていました。
C2 adjective /ˈfæn.sɪ.ləs/

fanciless

想像力のない、普通の
Meaning
without imagination or creativity; plain or ordinary
Example
His drawings were simple and fanciless.
彼の絵はシンプルで想像力がなかった。
C2 noun /ˈnaɪsəti/

nicety

微細さ
Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
弁護士は事件の法的細部を説明しました。
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 verb /ˌɪntərˈpoʊz/

interpose

Meaning
To place or insert between one thing and another; to intervene in a situation.
Example
He quickly interposed himself between the fighters to stop the quarrel.
C2 noun ˌsɜːkəmˈspekʃən

circumspection

慎重、リスクを避けること
Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
彼の慎重さが間違いを犯さないようにしました。
C2 verb /ɪnˈθrɔːl/

enthral

魅了する
Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
マジシャンのパフォーマンスは観客を魅了した。
C2 adjective /ˈproʊtiən/

protean

多才多芸の
Meaning
tending or able to change frequently or easily; versatile
Example
She is a protean artist who experiments with many styles.
彼女は多才多芸のアーティストで、さまざまなスタイルを試しています。
C2 noun /ˈnɪn.i/

Ninny

バカ
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
そんなバカなことをするな、頭を使え！
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鳥小屋
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
動物園はエキゾチックなオウムのために新しい鳥小屋を作った。
C2 adjective /ˈmæk.jʊˌleɪ.tɪd/

maculated

斑点のある
Meaning
Spotted or stained; marked with blemishes.
Example
The maculated surface of the old mirror gave it a unique charm.
古い鏡の斑点のある表面は、独特の魅力を与えました。
C2 adjective /ɔːˈɡʌst/

august

威厳
Meaning
Respected and impressive; inspiring reverence or admiration.
Example
The king entered the hall with an august presence.
王は威厳のある存在感でホールに入ってきた。