Adamant
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C1 adjective /ˈædəmənt/

Adamant

頑固な; 断固とした; 不屈の
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
彼女は会社を辞める決断に対して頑固だった。
C1 noun /ˈænərki/

anarchy

無政府状態
Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
政権の崩壊は街中に無政府状態を引き起こした。
C1 noun ˈæltruɪzəm

altruism

利他主義、他者の幸福に対する無私の配慮
Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
彼の利他主義は他の人々にボランティアをするように促した。
C2 noun /ænˈtɪpəθi/

antipathy

アンチパシー
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
二つの競争する企業の間に相互のアンチパシーがありました。
B2 adjective, noun /ˈɛəriəl/

aerial

空中の / アンテナ
Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
パイロットは素晴らしい空中機動を行いました。
B1 noun /əˌkɒməˈdeɪʃən/

Accommodation

宿泊施設
Meaning
a room, group of rooms, or building in which someone may live or stay
Example
The hotel provides comfortable accommodation for tourists.
ホテルは観光客のために快適な宿泊施設を提供します。
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

農業化学物質
Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.
過度なアグロケミカルの使用は土壌の質を低下させる可能性があります。
C1 noun /ˈɑːr.tər.i/

Artery

動脈
Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
医者は彼の動脈で脈拍を確認した。
C1 verb /əˈdʒɔɪn/

adjoin

隣接する
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
彼らの家は公園に隣接しています。
C2 noun /əˈnæθəmə/

anathema

アナセマ / 嫌悪された物
Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
暴力は彼女の平和的な性格にはアナセマです。
C1 noun /əˈdʒeɪsənsi/

adjacency

隣接性
Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
二つの建物の隣接性は、それらを接続するのを簡単にしました。
C1 noun /ˈæl.kə.laɪ/

alkali

アルカリ性物質
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
石鹸にはアルカリ性物質が含まれており、油を取り除くのに役立ちます。
B2 noun /ˌæl.əˈkeɪ.ʃən/

allocation

割り当て
Meaning
The action or process of distributing resources or duties for a particular purpose.
Example
Budget allocation for education must be increased.
教育のための予算の割り当ては増加しなければならない。
C2 noun /ˈækmi/

acme

頂点
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
賞を獲得することが彼のキャリアの頂点でした。
C2 adjective /ˈeɪkwiəs/

aqueous

水性の
Meaning
related to or containing water; watery
Example
The solution was in an aqueous form.
溶液は水性の形でした。
A2 adverb /əˈhɛd/

ahead

前に
Meaning
in front; in advance; before someone or something in position or progress
Example
She walked ahead of the group.
彼女はグループの前に歩いていた。
B1 adjective əkˈsep.tɪd

accepted

受け入れられた
Meaning
Generally believed or recognized to be valid or correct.
Example
The accepted terms were discussed in detail.
受け入れられた条件は詳細に議論されました。
C2 adjective /ˈæʒər/

azure

空色
Meaning
A bright blue color like that of a clear sky.
Example
The clear sky was painted in a deep shade of azure.
澄んだ空は深い空色で塗られていました。
C1 noun əˈtrɒs.ɪ.tiz

atrocities

残虐行為
Meaning
Extremely wicked or cruel acts, typically involving physical violence or injury.
Example
The atrocities shocked the international community.
その残虐行為は国際社会を震撼させた。
C1 noun /ˈæspɪrənt/

aspirant

志願者
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
彼女は大学の最優秀奨学金の志願者です。
C2 verb /əˈpraɪz/

apprise

知らせる
Meaning
to inform or notify someone
Example
The manager will apprise the staff of the new policies.
マネージャーはスタッフに新しい方針について知らせます。
C2 noun /əˈspɜːr.ʒən/

aspersion

中傷
Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
彼は彼女の性格に中傷をしました。
C1 noun /ˈæb.stɪ.nəns/

abstinence

禁欲、節制
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
彼の医者は健康のためにアルコールを控えるように助言しました。
C2 adjective /ˈæməˌtɔːri/

amatory

愛に関する
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
詩人の詩は愛に関するテーマで満たされていました。
C2 adjective /ˈæn.ə.daɪn/

anodyne

無害な、痛みを和らげる
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
スピーカーの無害なコメントは論争を避けました。
B2 noun /ˈæplɪkənt/

applicant

応募者
Meaning
a person who applies for something, such as a job or a position
Example
The applicant was interviewed for the position.
応募者はそのポジションのために面接されました。
B1 noun /ədˈvæns/

Advance

進歩; 発展; 前払い
Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
技術は近年大きな進歩を遂げました。
B2 noun /ˈæməzɒn/

amazon

力強い女性
Meaning
A tall, strong, or powerful woman.
Example
She fought like an amazon in the competition.
彼女は競技でアマゾンのように戦った。
B2 noun əˌkjuː.mjəˈleɪ.ʃən

accumulation

蓄積
Meaning
The gradual gathering or collecting of something over time.
Example
The accumulation of dust affects appliance efficiency.
ほこりの蓄積が家電の効率に影響を与える。
C1 noun /əˈflɪkʃən/

affliction

苦しみ
Meaning
a state of pain, suffering, or distress
Example
Poverty is a common affliction in many parts of the world.
貧困は世界の多くの地域で一般的な苦しみです。
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

資産配分
Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
正しい資産配分は、金融成長の鍵です。
C2 adjective /ˈædɪˌpoʊs/

adipose

脂肪の
Meaning
Relating to or consisting of animal fat; fatty.
Example
The doctor explained that the tissue was mainly adipose in nature.
医者は、組織が主に脂肪性であることを説明しました。
B2 adjective + noun æmˈbɪʃəs ɪnˈdevər

ambitious endeavor

野心的な試み
Meaning
A bold and determined attempt to achieve something challenging.
Example
Artemis is an ambitious endeavor in space exploration.
アルテミスは宇宙探査における野心的な取り組みです。
C1 adjective /əˈpriː.ʃə.bəl/

Appreciable

顕著な; 重要な; 数量的にかなり
Meaning
noticeable; significant; considerable in amount
Example
There was an appreciable improvement in his test scores.
テストのスコアに顕著な改善が見られました。
C2 adjective /əˈsɛt.ɪk/

ascetic

禁欲的
Meaning
Practicing strict self-denial and abstaining from worldly pleasures, often for religious reasons.
Example
He lived an ascetic life in the mountains, far from worldly comforts.
彼は山の中で禁欲的な生活を送り、世俗的な快適さから遠ざかっていた。
A2 noun /ˈæk.sɪ.dənt/

accident

事故
Meaning
An unfortunate incident that happens unexpectedly and unintentionally.
Example
Safety measures aim to prevent accidents.
安全対策は事故を防ぐことを目的としています。
B1 noun /əˈpɒlədʒi/

apology

Meaning
a statement expressing regret for something wrong or hurtful
Example
He offered an apology for being late to the meeting.
B2 noun /ˌædməˈreɪʃən/

admiration

尊敬
Meaning
a feeling of respect, pleasure, or approval for someone or something
Example
She felt great admiration for her teacher’s dedication.
彼女は先生の献身に尊敬を感じた。
B1 noun /ˈæs.pekt/

aspect

側面
Meaning
A particular part, feature, or view of something.
Example
One important aspect of health is regular exercise.
健康の重要な側面は定期的な運動です。
B1 noun /ˈæksɛnt/

accent

アクセント
Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
彼女は強いフランス語のアクセントで英語を話しました。
A1 noun /ænt/

aunt

おば
Meaning
the sister of your father or mother, or the wife of your uncle
Example
My aunt always gives me gifts on my birthday.
私の叔母はいつも私の誕生日にプレゼントをくれます。
C2 noun /ˌeɪd də ˈkæmp/

aide-de-camp

上級将校の秘密の補佐役として働く軍人
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
儀式の間、将軍は自分のエイド・デ・キャンプと共に出席しました。
A2 noun /ˈɑːr.tɪst/

Artist

芸術家
Meaning
a person who creates art, especially paintings or drawings; a person skilled in a particular art form
Example
The artist displayed her sculptures at the gallery opening.
そのアーティストはギャラリーのオープニングで彼女の彫刻を展示した。
B2 noun /əˈnætəmi/

anatomy

解剖学
Meaning
the study of the structure of living things, especially the human body
Example
She is studying human anatomy at medical school.
彼女は医学校で人体解剖学を学んでいます。
B2 noun /ˈænθəm/

anthem

国歌
Meaning
A song that is identified with a particular group, movement, or nation, often expressing pride or unity.
Example
The national anthem was played before the football match.
サッカーの試合の前に国歌が演奏されました。
A1 preposition /æt/

at

Meaning
used to indicate a specific time, place, or direction
Example
She arrived at the airport on time.
彼女は時間通りに空港に到着しました。
C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

親しみやすくて快適; 良い性格の; 親切
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
私の隣人はとても親しみやすく、いつも暖かく挨拶をします。
C1 adjective /əˈbɪzməl/

abysmal

ひどい / 恐ろしい
Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
チームのパフォーマンスはひどかった。
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

非典型
Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
医者はそれが病気の非典型的なケースだと言いました。
B2 adverb /ˈædɪkwətli/

adequately

適切に
Meaning
in a satisfactory manner
Example
He completed the task adequately, but could improve next time.
彼は適切に仕事を終えましたが、次回は改善できるでしょう。
B1 noun /ˈænəlɪst/

analyst

アナリスト
Meaning
a person who studies or examines something carefully to understand it or make decisions
Example
The financial analyst predicted a rise in the stock market.
金融アナリストは株式市場の上昇を予測しました。
A1 adverb /ˈɔːl.weɪz/

Always

いつも; 永遠に; 常に
Meaning
at all times; on all occasions; forever
Example
She always arrives early to work.
彼女はいつも仕事に早く到着します。
B2 adjective /əˈten.tɪv/

Attentive

注意深い; 用心深い; 観察力のある
Meaning
careful to pay attention; alert and observant
Example
The attentive student listened carefully to every word the teacher said.
注意深い学生は、教師が言ったすべての言葉に注意深く耳を傾けました。
A2 noun /ədˈvɜːrtɪsmənt/

advertisement

広告
Meaning
a public notice or announcement promoting a product, service, or event
Example
The advertisement attracted many new customers.
その広告は多くの新しい顧客を引きつけた。
B1 adjective /ədˈvɛnʧərəs/

adventurous

冒険的な
Meaning
Willing to take risks or try out new methods, ideas, or experiences.
Example
They participated in adventurous activities like kayaking and hiking.
彼らはカヤックやハイキングなどの冒険的な活動に参加しました。
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

オーディオレッスン
Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
オーディオレッスンはリスニングスキルに役立ちます。
B2 noun /əˈdɪkʃən/

addiction

依存
Meaning
A strong and harmful need to regularly have or do something, such as drugs, alcohol, or habits.
Example
His addiction to video games affected his studies.
彼のビデオゲームへの依存は彼の学業に影響を与えました。
C1 adjective /əˈdɛpt/

adept

熟練
Meaning
Very skilled or proficient at something.
Example
She is adept at solving complex mathematical problems.
彼女は複雑な数学の問題を解決するのが得意です。
A2 noun /ˈæk.ʃənz/

actions

行動
Meaning
The fact or process of doing something, typically to achieve an aim.
Example
Immediate actions are needed for pollution control.
汚染防止のために即時の行動が必要です。
B2 adjective əˈkwætɪk

aquatic

水生の
Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
水生種は汚染によって危機に瀕しています。
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

対立的な
Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
その二つの会社は市場で対立的な関係を持っている。
C1 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

政治的でない
Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
彼女は政治的でない態度を保ち、仕事に集中することを好みます。
C1 verb /ɔːɡˈmɛnt/

augment

増加させる
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
会社は労働力を増加させる計画を立てています。
B2 verb /əˈbændən/

abandon

放棄する
Meaning
to give up completely; to leave permanently
Example
They had to abandon their house due to flooding.
彼らは洪水のために家を放棄しなければならなかった。
A2 noun /ˈæk.tər/

Actor

俳優
Meaning
a person whose profession is acting on the stage, in movies, or on television
Example
The famous actor won an award for his performance in the new movie.
その有名なアクターは、新しい映画での演技で賞を受賞しました。
C1 adjective /əˈtrəʊ.ʃəs/

Atrocious

ひどい; 極端に悪いまたは不快な
Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
刑務所の状態はひどかった。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
A2 noun /ˈɑːrtɪkl/

article

記事
Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
彼は気候変動に関する記事を書きました。
B2 noun /ədˈvɛntʃərər/

adventurer

冒険家
Meaning
a person who seeks exciting, risky, or unusual experiences; someone who explores new or unknown places
Example
The adventurer traveled deep into the jungle in search of ancient ruins.
その冒険家は古代遺跡を探してジャングルの奥深くへ旅した。
C1 verb /əˈpɔːl/

appall

驚かす
Meaning
To shock or horrify someone with something unpleasant or bad.
Example
The cruelty of the crime appalled the entire community.
犯罪の残酷さがコミュニティ全体を驚かせた。
C2 noun /ˈɑːrɡoʊ/

argot

専門用語
Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.
泥棒たちは外部の人々が理解できないアルゴでコミュニケーションを取った。
B1 verb /ədˈvaɪz/

advise

アドバイスする
Meaning
to recommend what should be done; to give advice
Example
The doctor advised him to rest for a week.
医者は彼に1週間休むようにアドバイスした。
A2 adjective /əˈlaɪv/

Alive

生きている; 死んでいない; 生命とエネルギーに満ちている
Meaning
living; not dead; full of life and energy
Example
The old man is still alive and healthy.
その老人は今でも生きていて健康です。
B2 noun /ˈæli/

alley

路地
Meaning
a narrow passageway between or behind buildings
Example
They walked through a dark alley to reach the main road.
彼らは暗い路地を通って、メインの道路に到達した。
C1 adjective /əˈnɒmələs/

anomalous

異常
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
科学者たちは実験中に異常な結果を観察しました。
C1 noun /əˈnɒməli/

anomaly

異常
Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
温度の急激な低下は異常と見なされました。
A1 interjection /ɑː/

ah

ああ
Meaning
used to express realization, surprise, or relief
Example
Ah, now I understand what you mean.
ああ、今あなたが言いたいことがわかりました。
B2 noun (plural) /ˈɑːrtɪˌfæks/

artifacts

遺物
Meaning
objects made by humans, often of historical or cultural importance
Example
Archaeologists discovered valuable artifacts in the ruins.
考古学者たちは遺跡で貴重な遺物を発見しました。
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

自動運転車
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
自動運転車は交通の未来を革新しています。
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。
C1 adjective /əˈnæl.ə.ɡəs/

analogous

類似
Meaning
Comparable in certain respects, typically in a way that makes clearer the nature of things being compared.
Example
The human brain is analogous to a supercomputer.
人間の脳はスーパーコンピュータに類似している。
C2 noun /ˈæsənəns/

assonance

アソナンス
Meaning
the repetition of vowel sounds in nearby words in poetry or prose
Example
The poet used assonance to create a musical effect in his verse.
詩人は自分の詩の中で音楽的効果を生み出すためにアソナンスを使用しました。
C1 verb /ˈæmbʊʃ/

ambush

待ち伏せする
Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
兵士たちは夜明けに敵を待ち伏せする計画を立てた。
C2 adjective /ˌæk.rɪˈmoʊ.ni.əs/

acrimonious

苦くて怒りに満ちた
Meaning
Bitter and angry, often involving harsh words.
Example
The debate turned acrimonious after the controversial remark.
論争は物議を醸す発言の後、アクリモニアスになった。
C2 verb /ˈæd.l̩/

addle

混乱させる
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
複雑な指示は彼を混乱させるだけでした。
B2 verb /əˈweɪt/

await

待つ
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
私たちはあなたの返事を大きな期待を持って待っています。
C1 noun /əˈlɜːrtnəs/

alertness

警戒心
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
運転手は長い旅の間、高い警戒心を保った。
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

大胆
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
彼の大胆な計画は、適切な装備なしで山を登ろうとすることで、全員を驚かせた。
C1 noun /ˈeɪθiɪzəm/

atheism

無神論
Meaning
The belief that there is no God or gods.
Example
He declared his atheism openly despite social pressure.
彼は社会的圧力にもかかわらず、自分の無神論を公に宣言した。
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

非同期の
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
非同期コースは学生が自分のペースで学べるようにします。
C2 noun /əˈkjuːtnəs/

acuteness

鋭敏さ;深刻さ
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
彼女の鋭敏さは他の人が見逃した細部に気づかせた。
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

アンドロジナス
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
ファッションショーではアンドロジナスなルックのモデルが登場しました。
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。
C1 noun /əˈstuːt.nəs/

astuteness

洞察力
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
彼の洞察力は交渉で役立った。
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 ˌæprɪˈhɛnʃən

apprehension

不安
Meaning
Anxiety or fear that something bad or unpleasant will happen.
Example
There is an apprehension about the depletion of fish stocks.
魚のストックの減少についての不安があります。
C2 adjective /ˈɑːrtləs/

artless

素朴, 自然
Meaning
Without deception or pretentiousness; natural and simple.
Example
Her artless smile made everyone feel at ease.
彼女の素朴な笑顔は、みんなを安心させました。
B2 noun əˈsʌmp.ʃənz

assumptions

仮定
Meaning
Things that are accepted as true or certain to happen, without proof.
Example
His assumptions about the project were completely wrong.
彼のプロジェクトに関する仮定は完全に間違っていた。
C1 adjective /ˈærəbəl/

arable

耕作可能
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
農家は作物を拡大するために耕作可能な土地を購入しました。
C2 noun /əˈfleɪtəs/

afflatus

神の啓示
Meaning
a sudden divine inspiration or creative impulse
Example
The poet wrote the verses under a sudden afflatus of inspiration.
詩人は突然の神の啓示のもとで詩を書きました。
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。
C1 noun /ɔːˈtɒmətən/

automaton

自動機械
Meaning
A machine that works automatically; also refers to a person who behaves like a machine, without thinking.
Example
He worked like an automaton, without showing any emotion.
彼は感情を見せずにオートマトンのように働いていました。
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

表現
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
討論中の彼の表現は、皆を感動させました。
C2 noun /ˈɛərəˌnɔːt/

aeronaut

気球乗り
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
気球乗りは巧みに気球を谷を越えて操縦しました。
B1 noun /ˈɔː.θər/

Author

著者
Meaning
a person who writes books, articles, or other written work
Example
The author spent three years writing her bestselling novel.
その著者は、彼女のベストセラー小説を書くのに3年を費やしました。
C1 noun /ˈælkəmi/

alchemy

錬金術
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
中世の科学者たちは命を錬金術に捧げました。
C1 verb /əˈluːd/

allude

ほのめかす
Meaning
To refer to something indirectly or casually.
Example
The professor alluded to Shakespeare during the lecture.
教授は講義中にシェイクスピアに言及した。
C1 adjective /ɔːˌθɒr.ɪˈteə.ri.ən/

authoritarian

権威主義者
Meaning
Demanding absolute obedience to authority; excessively controlling or strict in governance.
Example
Authoritarian parenting often limits a child's independence.
権威主義的な育児は、しばしば子供の独立性を制限します。
B1 noun /əˈsɛmbli/

assembly

集会
Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
学校は新しい規則について話し合うために集会を開きました。
C1 noun /ˌæktʃuˈæləti/

actuality

現実
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
その映画は歴史的な現実に基づいています。
C1 verb /ˈæn.ə.teɪt/

annotate

注釈を加える
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
先生は学生に詩を解釈して注釈をつけるように頼みました。
B2 noun /ˈædvəkəsi/

advocacy

擁護
Meaning
public support for or recommendation of a particular cause or policy
Example
Her advocacy for children's rights earned her international recognition.
彼女の子どもの権利への擁護は、国際的な認知を得た。
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。
C1 adjective /əˈluːf/

aloof

距離を置いた
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
彼は議論の間ずっと距離を置いていました。
B2 noun /ˈɔːltər/

Altar

祭壇
Meaning
a raised structure on which offerings or sacrifices are made to a deity
Example
The bride and groom stood before the altar during the ceremony.
新郎新婦は式の最中に祭壇の前に立っていました。
B2 adjective /ˈæbsəluːt/

absolute

絶対
Meaning
total, complete, or without restriction
Example
The dictator had absolute power over the nation.
独裁者は国に対して絶対的な権力を持っていた。
C2 noun /ˈæmpərˌsænd/

ampersand

アンパーサンド
Meaning
The symbol '&' used to represent the word 'and'.
Example
Use an ampersand instead of writing the word 'and' in the company name.
会社名に'and'の代わりにアンパーサンドを使用してください。
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

扶養費
Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
裁判所は彼に元妻に毎月の扶養費を支払うよう命じた。
B1 noun əˈses.mənt

assessment

評価
Meaning
The evaluation or estimation of the nature, quality, or ability of someone or something.
Example
The assessment process ensures fairness.
評価プロセスは公平性を確保します。
C2 verb /əˈbeɪs/

abase

卑下する
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
彼は王の前で自分を卑下するのを拒否した。
C1 adjective /əˈsɛndənt/

ascendant

上昇する、支配的な
Meaning
Rising in power or influence; dominant.
Example
She is an ascendant leader in the political party.
彼女は政治党の中で上昇するリーダーです。