abstraction
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C1 noun /æbˈstrækʃən/

abstraction

抽象
Meaning
the process of forming general ideas by removing specific details; an abstract concept or idea
Example
Abstraction allows complex ideas to be represented in a simplified form.
抽象は複雑な考えを簡単な形で表現することを可能にします。
C1 adjective /ˈtɔːrtʃuəs/

tortuous

曲がりくねった, 複雑
Meaning
Full of twists and turns; excessively complex or complicated.
Example
The tortuous mountain road made driving very difficult.
曲がりくねった山道が運転を非常に難しくした。
C2 noun /ˌniːoʊˈpeɪɡənɪzəm/

neopaganism

ネオペイガニズム
Meaning
Modern religious movements influenced by or claiming to be derived from the various historical pagan beliefs of pre-modern Europe.
Example
Neopaganism has gained popularity as people seek spiritual alternatives to mainstream religions.
ネオペイガニズムは、人々が主流の宗教に代わる精神的な選択肢を探しているため、人気を集めています。
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

エコフレンドリー技術
Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
エコフレンドリー技術は汚染を軽減することができます。
B1 adverb /ˈpɜː.mə.nənt.li/

permanently

永続的に
Meaning
in a way that lasts or remains unchanged for a long time or forever
Example
She moved to the city permanently after finishing her studies.
彼女は学業を終えた後、永続的にその街に引っ越しました。
A2 verb /lɪft/

lift

持ち上げる
Meaning
to raise or move upward; to pick up
Example
He lifted the heavy box with effort.
彼は重い箱を力を入れて持ち上げました。
B2 adjective, verb (present participle) /ˈfloʊtɪŋ/

floating

浮かんでいる
Meaning
remaining on the surface of a liquid without sinking; moving lightly or freely
Example
The boat was floating gently on the calm lake.
ボートは穏やかな湖の上で優しく浮かんでいた。
C1 noun /ˈpen.əns/

Penance

懺悔; 何か悪いことをしたために受け入れる罰
Meaning
punishment that you accept for doing something wrong; an act of showing that you are sorry for sin
Example
The monk performed penance for his past mistakes.
修道士は過去の過ちに対して懺悔を行いました。
C1 adverb /ˈnæroʊli/

Narrowly

かろうじて; 辛うじて
Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
彼女は事故をかろうじて避けた。
C2 noun ˈɔː.tɑː.ki

autarky

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

ubiquitious

遍在
Meaning
Present, appearing, or found everywhere.
Example
Smartphones have become ubiquitous in modern society.
スマートフォンは現代社会で遍在しています。
B2 verb /əˈweɪkən/

awaken

目覚めさせる
Meaning
to stop sleeping; to cause to become aware
Example
The loud noise awakened the entire neighborhood.
大きな音が目覚めさせ、近所全体を起こした。
C1 adjective /ˈstɛlər/

stellar

素晴らしい
Meaning
Relating to stars; outstanding or excellent.
Example
She gave a stellar performance in the play.
彼女は劇中で素晴らしいパフォーマンスを披露しました。
B2 noun /feɪz/

Phase

段階; 変化や発展の過程での特定の期間または段階
Meaning
a distinct period or stage in a process of change or development
Example
The project is now in its final phase.
プロジェクトは現在最終段階にあります。
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.
C1 noun /ˈswiːt.miːt/

Sweetmeat

お菓子
Meaning
a small piece of confectionery or candy; a sweet delicacy
Example
The children enjoyed the traditional sweetmeats during the festival.
子供たちは祭りの間に伝統的なスイートミートを楽しみました。
B2 adjective /əˈpəʊzd/

opposed

反対の
Meaning
being against or in disagreement with something
Example
She is strongly opposed to animal testing.
彼女は動物実験に強く反対しています。
C1 noun /ɪnˈɛk.wɪ.ti/

inequity

不平等
Meaning
Lack of fairness or justice; unequal distribution or treatment.
Example
Social inequity continues to be a global issue.
社会的不平等は依然としてグローバルな問題です。
B2 noun /ɪnˈvɒlvmənt/

involvement

関与
Meaning
the act of taking part in something
Example
His involvement in the project was crucial.
彼のプロジェクトへの関与は重要だった。
C2 adjective /ˈsɛpərəbəl/

separable

分離可能な
Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
この二つの問題は分離可能であり、独立して議論されるべきです。
B1 noun, verb /bʌz/

buzz

ブーンという音
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
会議中に電話がブーンと鳴るのが聞こえた。
C1 verb /riˈɪtəreɪt/

reiterate

繰り返す
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
教師は正直さの重要性を繰り返し述べました。
B1 noun /ˈtʃæmpiənʃɪp/

championship

選手権
Meaning
a competition to decide who is the best in a particular sport or activity.
Example
The championship will be held next month.
選手権は来月行われます。
B2 adjective strəˈtiː.dʒɪk

strategic

戦略的
Meaning
Relating to the identification of long-term or overall aims and interests and the means of achieving them.
Example
Strategic policies enhance competitiveness.
戦略的な政策は競争力を高めます。
B2 noun /ˈtriː.oʊ/

trio

三人組
Meaning
A group of three people or things, especially in music or performance.
Example
The jazz trio played beautifully at the concert.
ジャズトリオはコンサートで素晴らしい演奏をしました。
B2 noun ˈskeə.sɪ.ti

scarcity

不足
Meaning
The state of being scarce or in short supply; shortage.
Example
Water scarcity threatens agriculture.
水不足が農業に脅威を与えている。
A2 noun /dɪər/

Deer

鹿
Meaning
a graceful wild animal with antlers, especially the male
Example
We saw a beautiful deer grazing in the meadow.
私たちは草原で美しい鹿が草を食べているのを見ました。
C1 adjective /ˈskɛtʃi/

sketchy

不完全
Meaning
not thorough or detailed; suspicious or unsafe
Example
The details of the project were still sketchy.
プロジェクトの詳細はまだ不完全でした。
B2 verb kənˈdem

condemn

非難する
Meaning
To express complete disapproval of; to censure.
Example
The leaders condemned the actions as inhumane.
指導者たちはその行為を非人道的だと非難しました。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
彼女は会話の中での幸福と明るい性格で知られていました。
C1 adjective /ˈræmʃækəl/

ramshackle

ぼろぼろ
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
彼らは町の端にあるぼろぼろな古い家に住んでいました。
A2 adjective, noun /ɡreɪ/

gray

幸せ
Meaning
A color between black and white; also describes dull or gloomy situations.
Example
The sky turned gray before the storm.
彼女は賞を受け取ったとき、幸せを隠せなかった。
C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

評判の良い; 有名な
Meaning
generally said or believed to be; having a particular reputation
Example
He is reputed to be one of the best doctors in the country.
彼はその国で最高の医者の一人と見なされています。
B2 noun /ˈlɪvər/

liver

肝臓
Meaning
a large organ in the body that cleans the blood and produces bile to help digest food.
Example
The liver plays a vital role in removing toxins from the body.
肝臓は体から毒素を取り除く重要な役割を果たします。
C1 adjective /maɪˈkroʊ.bi.əl/

microbial

微生物の
Meaning
Related to bacteria, fungi, and other microscopic organisms.
Example
Microbial activity in the soil improves fertility.
土壌中の微生物活動は肥沃度を改善します。
B2 adjective /mɪsˈliːdɪŋ/

misleading

誤解を招く
Meaning
giving the wrong idea or impression
Example
The advertisement was misleading and gave false information.
その広告は誤解を招くもので、偽の情報を提供していました。
B2 adjective /dɪˈziːzd/

Diseased

病気の; 患者の
Meaning
affected by disease; suffering from illness; sick
Example
The diseased tree had to be removed from the garden.
病気の木は庭から取り除かれなければならなかった。
C1 adjective /dɪˈfɛnsəbəl/

defensible

守ることができる / 正当化できる
Meaning
Capable of being protected against attack or criticism; justifiable.
Example
Her decision was legally defensible.
彼女の決定は法的に守ることができた。
B2 verb /ˈtʃɛrɪʃ/

cherish

大切にする
Meaning
To hold something dear, to love and protect, or to keep a hope or memory alive.
Example
She cherishes the memories of her childhood home.
彼女は子供の頃の家の思い出を大切にしています。
A2 noun /ˈpɑːrkɪŋ/

parking

駐車場
Meaning
the action or practice of leaving a vehicle in a particular place for a period of time
Example
There was no available parking near the restaurant.
レストランの近くには駐車場がありませんでした。
C1 verb ˈsɪŋ.krə.naɪz

synchronize

同期させる
Meaning
To coordinate in time; to cause to occur or operate at the same time or rate.
Example
The dancers need to synchronize their movements.
ダンサーは彼らの動きを同期させる必要があります。
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

鉄 / アイロン
Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
彼はシャツを滑らかにするためにアイロンを使った。
C2 noun /ˈɔː.rɪ.fɪs/

orifice

Meaning
an opening or hole, especially in the body or a device
Example
The medicine was applied through a small orifice in the device.
薬は装置の小さな孔から適用されました。
B2 adjective /ˌsuː.pəˈnætʃ.ər.əl/

Supernatural

超自然的な
Meaning
relating to things that cannot be explained by natural or scientific laws; beyond the normal or physical world
Example
The old house was said to have supernatural powers.
その古い家には超自然的な力があると言われていた。
C2 noun /ˈpɒsi/

posse

ギャング / 友達グループ
Meaning
A group of people, often friends or a group organized to support or enforce the law.
Example
He arrived at the party with his posse of friends.
彼は友達グループと一緒にパーティーに到着しました。
C1 verb /pərˈtɜːrb/

perturb

動揺させる
Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
突然の音が試験中に学生を動揺させました。
C1 verb ɪˈluː.sɪ.deɪt

elucidate

明らかにする、説明する
Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
教授は簡単な例で理論を明らかにしました。
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。
C1 adjective /ˈskrʌmpʃəs/

scrumptious

美味しい
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
彼女はパーティーのために美味しいチョコレートケーキを焼きました。
C1 noun /ˈwɔːkɪŋ fɪʃ/

Walking-fish

ウォーキングフィッシュ
Meaning
a fish that can move on land using its fins and breathe air for extended periods
Example
The walking-fish can travel across dry land to find new water sources.
ウォーキングフィッシュは乾燥した土地を越えて新しい水源を見つけることができます。
B1 adjective /ˈlaɪv.li/

Lively

活気のある; 元気な; 明るい
Meaning
full of life and energy; animated; cheerful
Example
The children had a lively discussion about their favorite books.
子供たちはお気に入りの本について活気のある議論をしました。
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。
C1 adjective /ˌsɛm.iˈæn.ju.əl/

semiannual

半年ごと
Meaning
Occurring twice a year; every six months.
Example
The company holds a semiannual meeting with all employees.
会社は6ヶ月ごとに全社員との会議を開きます。
B2 verb /ɪnˈherɪt/

inherit

相続する
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
彼女は祖母の家を相続しました。
C1 noun dɪˌzɝː.t̬ə.fɪˈkeɪ.ʃən

desertification

砂漠化
Meaning
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Example
Deforestation accelerates desertification.
森林伐採は砂漠化を加速させます。
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

ビジネスの成功
Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
革新はビジネスの成功を促進します。
C2 noun brəˈvɑː.dəʊ

bravado

実際ではない勇気や自信の誇示
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
彼のブラヴァードはパフォーマンス前の緊張を隠していた。
C1 noun /ɡəˈzet/

Gazette

公報
Meaning
an official journal or newspaper, especially one published by an organization or government
Example
The promotion was officially announced in the government gazette last week.
昇進は先週、政府の公報で正式に発表されました。
C2 noun /prəˈlɪksɪti/

prolixity

冗長
Meaning
the quality of being tediously wordy and long
Example
The book’s prolixity made it difficult to read in one sitting.
本のプロリクシティは一度に読むのを難しくしました。
B2 noun /dʒiˈɒl.ə.dʒi/

geology

地質学
Meaning
the science that deals with the Earth's physical structure and substances
Example
She studied geology to understand earthquakes.
彼女は地震を理解するために地質学を学びました。
C1 adjective /ʌnˈkuːθ/

uncouth

無作法
Meaning
Lacking good manners, refinement, or grace; awkward or rough.
Example
His uncouth behavior shocked the guests at the party.
彼の無作法な行動はパーティーのゲストを驚かせました。
B1 noun /ˈleʒ.ər/

Leisure

レジャー; 自由時間
Meaning
time when one is not working or occupied; free time used for enjoyment
Example
She enjoys reading books in her leisure time.
彼女は自由時間に本を読むのが好きです。
A2 adverb /ˈseɪf.li/

Safely

安全に
Meaning
in a safe manner; without danger or risk
Example
Drive safely on the icy road.
アイスロードで安全に運転してください。
C1 adjective /kəˈlæpsəbl̩/

collapsible

折りたたみ式
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
彼女はキャンプ用に折りたたみ式の椅子を買いました。
C2 noun মাসকুলোস্কেলেটাল কন্ডিশন

musculoskeletal condition

筋骨格障害
Meaning
A disorder that affects the muscles, bones, joints, tendons, ligaments, or other structures that support the limbs, neck, and back.
Example
De Quervain's Syndrome is a common musculoskeletal condition.
デ・クヴェルヴァン症候群は一般的な筋骨格障害です。
B2 verb /blɛnd/

blend

混ぜる
Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
彼女は慎重に材料を混ぜます。
C1 noun /ˈledʒ.ər/

Ledger

元帳
Meaning
a book or other collection of financial accounts of a particular type
Example
The accountant updated the company ledger daily.
会計士は毎日会社の元帳を更新しました。
A2 adjective /ˈtʃɪə.fəl/

Cheerful

陽気な; 楽観的な; 喜びに満ちた
Meaning
happy and optimistic; full of joy and good spirits; bright and lively
Example
She has a cheerful personality that brightens everyone's day.
彼女は皆の日を明るく照らす陽気な性格を持っています。
B1 adjective /luːs/

loose

緩い
Meaning
not firmly or tightly fixed in place
Example
The screw is loose and needs tightening.
ネジが緩んでいて、締め直す必要があります。
A2 noun /ˈfɔːrənər/ or /ˈfɑːrənər/

foreigner

外国人
Meaning
A person from another country.
Example
The city welcomes every foreigner with kindness.
その都市はすべての外国人を親切に迎えます。
C2 adjective /ˈhiːðənɪʃ/

heathenish

野蛮
Meaning
Lacking culture or religion; barbaric or uncivilized.
Example
They considered the ancient tribe’s rituals heathenish.
彼らは古代部族の儀式を未開だと考えた。
C1 adjective /æmˈbɪvələnt/

ambivalent

相反する
Meaning
Having mixed or contradictory feelings about something or someone.
Example
She was ambivalent about accepting the new job offer.
彼女は新しい仕事のオファーを受け入れることに対してアンビヴァレントだった。
C1 noun ˈlaɪv.li.hʊd

livelihood

生計
Meaning
A means of securing the necessities of life; a way of making a living.
Example
Fishing is the primary livelihood of coastal communities.
漁業は沿岸地域の主な生計手段です。
C2 verb /həˈbɪtʃuˌeɪt/

habituate

習慣づける
Meaning
to make someone accustomed to something
Example
The monks habituated themselves to meditation.
僧侶たちは瞑想に慣れました。
C2 noun /ˌɛn.biː.esˈpiː/

nbsp

ノンブレイキングスペース
Meaning
a non-breaking space character in HTML used to prevent an automatic line break at its position
Example
Use   in HTML to add a space that won't break into a new line.
HTMLで改行しないスペースを追加するために を使用します。
C1 noun /sɔɪl ˈmæn.ɪdʒ.mənt/

soil management

土壌管理
Meaning
The application of operations, practices, and treatments to protect soil and enhance its performance.
Example
Proper soil management improves long-term agricultural productivity.
適切な土壌管理は、長期的な農業生産性を向上させます。
C2 noun /tiːˈtoʊtəlɪzəm/

teetotalism

アルコール完全断絶主義
Meaning
the practice or principle of abstaining completely from alcoholic drinks
Example
He practiced teetotalism throughout his life.
彼は一生涯ティートタリズムを実践した。
C2 adjective /ˈɒpjʊlənt/

opulent

豪華な
Meaning
Ostentatiously rich, luxurious, or lavish.
Example
They hosted an opulent wedding with gold decorations.
彼らは金色の装飾を施した豪華な結婚式を開催しました。
C1 adjective /ɪnˈfæləbl̩/

infallible

間違いない
Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
彼女の判断は財務問題において間違いないように見えた。
B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

専門的な
Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
彼は古代文明に関する専門的な知識を持っています。
C1 noun /ˈmaɪzər/

miser

けちん坊
Meaning
A person who hoards wealth and spends as little money as possible.
Example
The old miser refused to donate even a penny to charity.
その古いけちん坊は慈善団体に1ペニーも寄付することを拒否した。
C2 adjective /ˌʌnsɛrəˈmoʊniəs/

unceremonious

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

dissemble

ふりをする
Meaning
to conceal one's true motives, feelings, or beliefs; to pretend
Example
He tried to dissemble his anger with a forced smile.
彼は強制的な笑顔で怒りを隠そうとした。
C1 verb /əbˈzɒlv/

absolve

解放する
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
牧師は彼を罪から解放した。
C2 adjective /ˌmɒnəkrəˈmætɪk/

monochromatic

Meaning
Consisting of or displaying only one color.
Example
The artist created a striking monochromatic painting in shades of blue.
A2 verb /səˈpəʊz/

suppose

仮定する
Meaning
to assume or believe something is true without proof
Example
I suppose she will be here soon.
私は彼女がすぐにここに来ると思います。
B1 noun /ˈdʒʌdʒ.mənt/

Judgement

判断; 決定
Meaning
the ability to make considered decisions or form sensible opinions; an official decision made by a judge or court
Example
The jury's judgement was based on careful consideration of all the facts.
陪審員の判断は、すべての事実を慎重に考慮した結果でした。
B2 noun /ɡʌm/

Gum

歯茎; 粘着物質
Meaning
the firm flesh that surrounds the roots of the teeth; a viscous secretion
Example
The dentist checked her gum for any signs of disease.
歯科医は病気の兆候があるかどうか彼女の歯茎をチェックしました。
C1 adjective /ˈkɔː.stɪk/

caustic

腐食性の、鋭い皮肉な
Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
彼女の鋭い皮肉な発言は彼の感情を傷つけた。
A2 adjective /ˈfaɪ.nəl/

Final

最終的な; 決定的な; 最後の
Meaning
last; concluding; decisive; ultimate
Example
This is the final exam of the semester.
これは学期の最終試験です。
C2 verb /bɪˈstruː/

bestrew

撒く
Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
地面は秋の葉で覆われていた。
C2 noun /sɪˈkwiːlə/

sequela

後遺症
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
肺の瘢痕は重度の肺炎の後遺症である可能性があります。
C2 noun /ˌɛləˈkjuːʃn/

elocution

弁論術
Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
彼女は継続的な練習を通じて弁論術を向上させた。
C1 noun /ˈmaʊθ.fʊl/

mouthful

一口
Meaning
the amount of food or drink that fills the mouth, or a long and difficult word or phrase
Example
He took a big mouthful of water after the run.
彼はランニングの後で大きな一口水を飲んだ。
C1 noun /ˌɑːrtʃˈbɪʃəp/

archbishop

大司教
Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
アーチビショップは何千人もの人々に説教をしました。
C2 verb /trænsˈfjuːz/

transfuse

Meaning
to transfer blood or another fluid into a vein or body part; to instill a quality or idea into someone or something
Example
The doctor had to transfuse blood into the patient after the surgery.
B2 noun /ˈʃepərd/

Shepherd

羊飼い
Meaning
a person who tends and guards sheep
Example
The shepherd guided his flock to the green pasture.
羊飼いは自分の群れを緑の牧草地に導いた。
A2 noun /ˈdiː.teɪl/

detail

詳細
Meaning
An individual feature, fact, or item of information.
Example
She explained the plan in great detail.
彼女は計画を詳細に説明しました。
C1 noun /ɪˈpɪt.ə.mi/

epitome

特定の品質やタイプの完璧な例; 何かの最良の表現
Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
彼女は優雅さと親切さの典型です。
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

形而上学
Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
彼女は物理学を超えた存在の原理を理解するために形而上学を学びました。
C1 noun /ˈʌndərˌstʌdi/

understudy

アンダースタディ
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
主役の俳優が病気になったとき、アンダースタディが演じました。
A1 adjective, adverb, verb /ˈbɛtər/

better

Meaning
of a more excellent or effective type or quality; to surpass or improve
Example
He felt better after taking the medicine.
C2 noun /ˈtɜːrnkoʊt/

turncoat

裏切り者
Meaning
a person who switches allegiance, often betraying a cause or group
Example
He was branded a turncoat after joining the rival political party.
彼はライバルの政治党に参加した後、裏切り者と呼ばれました。
C1 noun ˌvɛn.əˈreɪ.ʃən

veneration

尊敬
Meaning
Great respect; reverence; the action of regarding with great respect or reverence.
Example
Many cultures show veneration for their ancestors.
多くの文化が祖先に対して尊敬を示します。
C1 adjective /ʌnˈsiːmli/

unseemly

不適切な
Meaning
Not proper or appropriate in behavior or appearance; unbecoming.
Example
His unseemly remarks embarrassed everyone at the dinner table.
彼の不適切な発言はディナーテーブルで皆を困らせました。
C1 noun /ˈiːzl̩/

easel

イーゼル
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
アーティストは絵を描き始める前にキャンバスをイーゼルに置きました。
B2 noun ˌɪn.əˈveɪ.ʃən

innovation

革新
Meaning
The action or process of innovating; a new method, idea, product, etc.
Example
Innovation drives solutions to global challenges.
革新は世界的な課題への解決策を促進します。
C1 adjective /ʌnˈtoʊld/

Untold

無数の; 無限の
Meaning
very great in amount or degree; countless; immeasurable
Example
The earthquake caused untold damage to the city.
地震は都市に無数の損害を与えました。
C1 adjective /ˈwɪr.i.səm/

Wearisome

疲れさせる; 退屈で疲れる
Meaning
causing tiredness; tedious; boring and exhausting
Example
The wearisome journey took twelve hours to complete.
その疲れさせる旅行は12時間かかりました。
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

恩知らず
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
彼の恩知らずは、彼女が彼のために多くのことをした後、彼女の気持ちを傷つけた。
C1 noun /ˈkroʊniˌɪzəm/

cronyism

縁故主義
Meaning
The practice of favoring friends or associates, especially in political appointments or business deals.
Example
The company was accused of cronyism in hiring practices.
その企業は採用活動における親族主義で非難されました。
C1 verb /rɪˈdrɛs/

redress

是正する
Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
その会社は顧客の苦情を是正すると約束しました。
C2 noun /ˈsælvoʊ/

salvo

一斉射撃
Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
兵士たちは倒れた将軍を讃えるために一斉射撃を行った。
B2 noun prəˈtæɡənɪst

protagonist

主人公
Meaning
The leading character or one of the major characters in a drama, movie, novel, or other fictional text.
Example
Charles Darnay is one of the protagonists of the story.
チャールズ・ダーネイは物語の主要な登場人物の一人です。
C2 noun /ˈhɛklər/

heckler

野次を飛ばす人
Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
政治家は群衆から叫んでいたヘクラーにもかかわらず冷静を保ちました。
B2 verb /ˈnɒmɪneɪt/

nominate

ノミネートする
Meaning
to propose someone for a position or award
Example
The committee decided to nominate her for the award.
委員会は彼女を賞にノミネートすることに決めました。
B1 adjective /ˈdaɪɪŋ/

Dying

死にかけている; 死亡している;
Meaning
approaching death; in the process of dying; fading away
Example
The dying plant needs water immediately.
死にかけている植物は直ちに水が必要です。
C1 verb /ˈlɛdʒɪsˌleɪt/

legislate

立法する
Meaning
to make or enact laws
Example
The government plans to legislate new safety standards.
政府は新しい安全基準を制定する計画です。
B2 verb /ˈdʒʌstɪfaɪ/

justify

正当化する
Meaning
to show or prove that something is right or reasonable
Example
He tried to justify his decision with logical reasons.
彼は論理的な理由で自分の決定を正当化しようとしました。
C1 adjective /ɡroʊˈtɛsk/

grotesque

Meaning
comically or repulsively ugly or distorted
Example
The sculpture was so grotesque that it frightened the children.
C1 noun /ˈɡær.ɪ.sən/

garrison

駐屯地
Meaning
A body of troops stationed in a particular location, usually to defend it.
Example
The garrison defended the fortress against the invaders.
駐屯地は侵略者に対して要塞を守った。