C1 noun /əˈduː/

ado

騒ぎ / 不必要な活動

Meaning

a fuss or unnecessary activity; trouble or difficulty

Example

Without further ado, let’s begin the ceremony.

これ以上のアドなしで、式を始めましょう。

C1 noun /ˌævɒ̃ˈɡɑːrd/

avantgarde

アバンギャルド

Meaning

people or works that are innovative, experimental, and ahead of their time

Example

The avantgarde of the 20th century reshaped modern art.

20世紀のアバンギャルドは現代アートを再形成した。

C1 noun /əˈtaɪər/

attire

衣装

Meaning

Clothing, especially formal or elegant wear.

Example

She wore traditional attire at the wedding ceremony.

彼女は結婚式で伝統的な衣装を着ていた。

C1 noun /ˈæmplɪtjuːd/

amplitude

振幅

Meaning

the maximum extent of a vibration or oscillation, or the size of something

Example

The amplitude of the earthquake was measured on the Richter scale.

地震の振幅はリヒター・スケールで測定されました。

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 /ˌɔːkʃəˈnɪər/

auctioneer

競売人

Meaning

a person who conducts auctions by calling out bids and selling items to the highest bidder

Example

The auctioneer quickly raised the price as bidders competed for the painting.

競売人は入札が進む中で素早く価格を上げた。

C1 noun /ˌæntɪˈsiːdənts/

antecedents

先例

Meaning

previous events, conditions, or people that influence or serve as a basis for something that follows

Example

The lawyer examined the criminal antecedents of the suspect.

弁護士は容疑者の犯罪歴を調べました。

C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

非対称

Meaning

Not having equal or corresponding parts; lacking symmetry.

Example

The design of the building is asymmetric and unusual.

その建物のデザインは非対称であり、珍しいです。

C1 noun /əˈtrɑːsəti/

atrocity

残虐行為

Meaning

an extremely cruel or violent act, often involving physical violence

Example

The world condemned the atrocity committed against civilians.

世界は市民に対して行われた残虐行為を非難しました。

C1 adverb /ˈeɪ.mi.ə.bli/

Amiably

友好的に, 親切に

Meaning

in a friendly and pleasant manner

Example

They discussed the issue amiably without any arguments.

彼らは議論を交わすことなく、友好的にその問題を話し合った。

C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

植林

Meaning

The action of planting trees on an area of land in order to form a forest.

Example

Afforestation helps restore biodiversity.

植林は生物多様性を回復するのに役立ちます。

C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

増幅

Meaning

the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details

Example

The microphone provides amplification of the speaker’s voice.

マイクは話者の声を増幅する。

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 noun /ˈælɪbaɪ/

alibi

アリバイ

Meaning

A claim or piece of evidence that one was elsewhere when an act, typically a crime, was committed.

Example

She had a strong alibi that proved she was at the cinema during the theft.

彼女は盗難の際に映画館にいたことを証明する強力なアリバイを持っていました。

C1 adjective /ˌæntiˈsleɪvəri/

antislavery

奴隷制度反対

Meaning

Opposed to the practice or system of slavery.

Example

The antislavery movement gained momentum in the 19th century.

奴隷制度反対運動は19世紀に勢いを増した。

C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

Meaning

A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.

Example

The nurse applied an antiseptic to the wound.

C1 noun /ˈæmfɪˌθiətər/

amphitheater

円形劇場

Meaning

A large open circular or oval building with rising tiers of seats, used for public events.

Example

The concert was held in an ancient amphitheater.

コンサートは古代の円形劇場で行われました。

C1 noun /ədˈhɪərənt/

adherent

支持者

Meaning

a person who supports or follows a particular belief, cause, or leader

Example

He is a strong adherent of democratic values.

彼は民主的な価値観の強力な支持者です。

C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

不安な

Meaning

feeling anxious or fearful that something bad will happen

Example

He was apprehensive about starting a new job in a foreign country.

彼は外国で新しい仕事を始めることに不安を感じていた。

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 /ænˈtɪθəsɪs/

antithesis

アンチテーゼ

Meaning

A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.

Example

Love is the antithesis of hate.

愛は憎しみのアンチテーゼです。

C1 verb /əˈkleɪm/

acclaim

称賛する

Meaning

to praise enthusiastically and publicly

Example

The audience acclaimed the actor for his outstanding performance.

観客はその俳優の素晴らしい演技に喝采を送った。

C1 adjective /æmˈfɪb.i.əs/

Amphibious

両生類

Meaning

able to live both on land and in water; suitable for both land and water operations

Example

The amphibious vehicle can travel on both land and water.

その両生類車両は、陸地と水中の両方で移動できます。

C1 adjective /ˌæn.ɪkˈdoʊ.t̬əl/

anecdotal

事実や調査ではなく、個人的な話に基づく、逸話的な

Meaning

Based on personal accounts rather than facts or research; characterized by anecdotes.

Example

The book was filled with anecdotal evidence rather than data.

その本はデータではなく、逸話的証拠で満たされていました。

C1 noun /ˈæbsɛs/

abscess

膿瘍

Meaning

A swollen area within body tissue containing pus, usually caused by infection.

Example

The dentist treated the abscess in his tooth.

歯医者は彼の歯の膿瘍を治療しました。

C1 verb ˌæs.ɚˈteɪn

ascertain

確認する

Meaning

To find out or discover something with certainty; to verify.

Example

The police tried to ascertain the cause of the accident.

警察は事故の原因を確認しようとしました。

C1 adverb /əˈtroʊʃəsli/

atrociously

ひどく

Meaning

in a very cruel, shocking, or extremely bad manner

Example

The service at the restaurant was atrociously slow.

そのレストランのサービスはひどく遅かった。

C1 adjective /æbˈdɑː.mə.nəl/

abdominal

腹部の

Meaning

relating to the abdomen (the part of the body between the chest and pelvis)

Example

He complained of severe abdominal pain.

彼はひどい腹痛を訴えていました。

C1 verb /əˈdʒuːdɪˌkeɪt/

adjudicate

裁定する

Meaning

to make a formal judgment or decision about a problem or dispute

Example

The committee was formed to adjudicate disputes between the parties.

委員会は当事者間の争いを審理するために結成されました。

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 /əˈmæs/

amass

積み上げる

Meaning

to gather together or accumulate over a period of time

Example

He managed to amass a fortune through wise investments.

彼は賢い投資を通じて財産を積み上げることができました。

C1 adjective /ˈɛərˌtaɪt/

airtight

気密の

Meaning

Completely sealed so that no air can get in or out.

Example

Store the cookies in an airtight container to keep them fresh.

クッキーは新鮮さを保つために気密容器に保管してください。

C1 noun /ɔːˈdæs.ə.ti/

audacity

大胆さ

Meaning

The willingness to take bold risks; boldness or fearlessness.

Example

His audacity to question authority was admirable.

権威に異議を唱える彼の大胆さは賞賛に値した。

C1 noun esˈθet.ɪks

aesthetics

美学

Meaning

A set of principles concerned with the nature and appreciation of beauty, especially in art and design.

Example

Interior design focuses on aesthetics and functionality.

インテリアデザインは美学と機能性に焦点を当てています。

C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

アリストクラティック; 上流階級の

Meaning

noble; having the manners of the upper class

Example

She had an aristocratic bearing that commanded respect.

彼女はアリストクラティックな態度を持っていて、尊敬を集めていた。

C1 adjective /ˈɔː.də.bəl/

Audible

聞こえる

Meaning

able to be heard; loud enough to hear

Example

The speaker's voice was barely audible from the back of the large hall.

スピーカーの声は大きなホールの後ろからほとんど聞こえませんでした。

C1 verb /əkˈsɛntʃueɪt/

accentuate

強調する

Meaning

to emphasize or make something more noticeable

Example

The lighting accentuated the beauty of the painting.

その照明が絵画の美しさを強調しました。

C1 verb /əˈtjuːn/

attune

順応させる

Meaning

to make someone or something aware of or responsive to something; to adjust or harmonize

Example

She quickly attuned herself to the needs of her new team.

彼女は新しいチームのニーズにすぐ順応した。

C1 noun /əˈkʌmpənɪmənt/

accompaniment

伴奏

Meaning

Something that goes together with or complements another thing, often music or food.

Example

The dish was served with a spicy sauce as an accompaniment.

その料理はスパイシーなソースを添えて提供されました。

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。

C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

アボリジニ

Meaning

The original inhabitants of a land, especially in Australia.

Example

The aborigines have preserved their traditions for thousands of years.

アボリジニーズは何千年もの間、彼らの伝統を守り続けてきました。

C1 adjective /əˈɡrɛəriən/

agrarian

農業的

Meaning

Related to farming, agriculture, or rural land.

Example

The country’s economy is still largely agrarian.

その国の経済はまだ主に農業的です。

C1 adverb /əˈbrɛst/

abreast

並んで

Meaning

side by side and facing the same direction; informed about something

Example

The soldiers marched two abreast down the street.

兵士たちは通りを二人並んで行進した。

C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

司法長官

Meaning

The chief legal officer of a state or country.

Example

The attorney-general announced new reforms to strengthen justice.

司法長官は司法の強化のための新しい改革を発表しました。

C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

曖昧さ, 不明確さ

Meaning

The quality of being open to more than one interpretation; inexactness.

Example

The ambiguity of the statement caused confusion among the team.

その声明の曖昧さはチームの間で混乱を引き起こしました。

C1 noun /ˈɔːnɪŋ/

awning

オーニング

Meaning

a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain

Example

We sat under the awning to avoid the heavy rain.

私たちは大雨を避けるためにオーニングの下に座っていました。

C1 verb /ˈæbdɪkeɪt/

abdicate

放棄する

Meaning

To give up a position of power or responsibility, especially a throne.

Example

The king decided to abdicate the throne.

王は王位を放棄することに決めました。

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 /əˈluːʒən/

allusion

暗示

Meaning

An indirect reference to something without mentioning it explicitly.

Example

Her story contained an allusion to a famous myth.

彼女の話には有名な神話への暗示が含まれていた。

C1 noun /ˈækwɪˌdʌkt/

aqueduct

水道橋

Meaning

a structure built to carry water over long distances

Example

The Romans built aqueducts to supply water to their cities.

ローマ人は都市に水を供給するために水道橋を建設しました。

C1 noun /ˈæntlɚ/

antler

鹿の角

Meaning

The branched horns on the head of a deer or similar animal, usually shed and regrown annually.

Example

The deer’s antlers grew larger each year.

鹿の角は毎年大きくなります。

C1 verb /əˈpiːz/

appease

なだめる / 満たす

Meaning

to calm or pacify someone by meeting their demands

Example

The manager tried to appease the angry customer.

マネージャーは怒っている顧客をなだめようとしました。

C1 verb /ˈædʒ.ɪ.teɪt/

agitate

扇動する, 激しくする

Meaning

to stir up feelings or disturb; to campaign for change

Example

The protesters agitated for better working conditions.

抗議者たちはより良い労働条件を求めて活動した。

C1 adjective /əˈbreɪsɪv/

abrasive

Meaning

harsh, rough, or capable of wearing down by rubbing

Example

His abrasive tone made everyone uncomfortable.

C1 noun /æɡˈnɒs.tɪk/

agnostic

アグノスティック

Meaning

a person who believes that nothing is known or can be known about the existence of God; uncertain in belief

Example

He described himself as an agnostic rather than an atheist.

彼は自分を無神論者ではなくアグノスティックだと説明した。

C1 verb /ˈeɪ.li.ə.neɪt/

alienate

疎外する

Meaning

To make someone feel isolated or estranged; to cause someone to become unfriendly.

Example

His rude behavior alienated many of his friends.

彼の失礼な行動は多くの友人を遠ざけた。

C1 adjective /əˈkɪn/

akin

類似した

Meaning

Of similar character or related by blood.

Example

His reaction was akin to shock.

彼の反応はショックに似ていた。

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。

C1 verb /ˌæprɪˈhɛnd/

apprehend

逮捕する

Meaning

to arrest or seize someone; to understand or perceive something

Example

The police managed to apprehend the thief after a long chase.

警察は長い追跡の後、泥棒を捕まえることに成功した。

C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

独裁的

Meaning

Relating to a ruler who has absolute power and does not consult others.

Example

The manager’s autocratic style discouraged employees from sharing their ideas.

マネージャーの独裁的なスタイルは、従業員が自分の考えを共有することを思いとどまらせました。

C1 adjective /əˈniːmɪk/

anemic

貧血

Meaning

Suffering from anemia; lacking in vitality, strength, or color.

Example

The doctor prescribed iron supplements for her anemic condition.

医者は彼女の貧血状態のために鉄分補充剤を処方しました。

C1 adjective /ˈæŋ.ɡjə.lər/

Angular

角度的な

Meaning

having sharp corners or edges; relating to angles

Example

The building has an angular design with sharp corners.

その建物は鋭い角を持つ角度的なデザインです。

C1 verb /əˈvɛndʒ/

avenge

復讐する

Meaning

to inflict harm in return for an injury or wrong done to oneself or another

Example

He vowed to avenge his brother's death.

彼は兄の死を復讐することを誓った。

C1 verb /ˈænɪmeɪt/

animate

アニメーションする

Meaning

to bring to life or make lively; to create animation for films or cartoons

Example

The artist will animate the characters for the movie.

アーティストは映画のキャラクターをアニメートします。

C1 noun /ˈædɪdʒ/

adage

格言

Meaning

a short, well-known saying that expresses a general truth or piece of advice

Example

The old adage says that honesty is the best policy.

古い格言は、正直は最良の政策だと言っています。

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。

C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning

Relating to the sense of hearing.

Example

The lecture was designed to enhance students' auditory learning skills.

C1 noun /ədˈmɪtəns/

admittance

入場

Meaning

the process or fact of entering or being allowed to enter a place

Example

No admittance without a valid ticket.

有効なチケットなしでは入場できません。

C1 adjective əsˈtjuːt

astute

鋭いまたは抜け目のない

Meaning

Having or showing an ability to accurately assess situations or people and turn this to one's advantage.

Example

His astute observations helped solve the complex problem.

彼の鋭い観察が複雑な問題を解決するのに役立った。

C1 adjective /ˌeɪθiˈɪstɪk/

atheistic

無神論的

Meaning

Relating to or characteristic of atheists or atheism.

Example

She grew up in an atheistic household with no religious rituals.

彼女は宗教的な儀式のない無神論的な家庭で育ちました。

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 noun /ˈeɪ.nəs/

Anus

肛門

Meaning

the opening at the end of the digestive tract through which waste leaves the body

Example

The doctor examined the patient's anus during the medical checkup.

医者は診察中に患者の肛門を調べました。

C1 noun əˌkred.ɪˈteɪ.ʃən

accreditation

認定

Meaning

The action or process of officially recognizing someone or something as having a particular status or being qualified to perform a particular activity.

Example

Accreditation ensures institutional credibility.

認定は組織の信頼性を保証します。

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。

C1 verb /əˈliː.vi.eɪt/

alleviate

軽減するまたは和らげる

Meaning

To make suffering, deficiency, or a problem less severe; to relieve or ease.

Example

Meditation can alleviate stress and improve focus.

瞑想はストレスを軽減し、集中力を高めることができます。

C1 noun /əˈbændənmənt/

abandonment

見捨て

Meaning

the act of leaving someone or something behind completely; the state of being deserted

Example

The child suffered deep emotional pain because of abandonment.

その子供は見捨てられたことで深い感情的な痛みを受けた。

C1 noun ˈæf.lu.əns

affluence

富裕

Meaning

The state of having a great deal of money; wealth.

Example

His affluence allowed him to travel the world.

彼の富は世界中を旅することを可能にしました。

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。

C1 adjective /ˈɔːbərn/

auburn

赤褐色

Meaning

reddish-brown in color, especially used to describe hair

Example

She has long auburn hair that shines in the sunlight.

彼女は長い赤褐色の髪を持っていて、日光の下で輝いています。

C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

健康な体

Meaning

physically strong and healthy, not disabled

Example

The company is looking for able-bodied workers for the construction site.

その会社は建設現場のために健康な体を持つ労働者を探しています。

C1 adjective /ˈædʒ.aɪl/

agile

素早く柔軟

Meaning

able to move quickly and easily; quick and adaptable in thinking or action

Example

The startup team was agile in responding to market changes.

スタートアップチームは市場の変化に迅速に対応しました。

C1 noun /ˈɑːrdər/

ardor

情熱、熱意

Meaning

Great enthusiasm or passion.

Example

She spoke with ardor about her new project.

彼女は新しいプロジェクトについて情熱をもって話していました。

C1 verb /əbˈdʌkt/

abduct

誘拐する

Meaning

to take someone away illegally by force or deception

Example

The criminal tried to abduct the child in broad daylight.

犯人は白昼にその子供を誘拐しようとした。

C1 noun /əˈseɪlənt/

assailant

攻撃者

Meaning

a person who attacks another

Example

The police arrested the assailant at the scene.

警察は現場で攻撃者を逮捕しました。

C1 adjective /əˈbaɪdɪŋ/

abiding

持続的な

Meaning

lasting for a long time; enduring

Example

She had an abiding love for her hometown.

彼女は故郷への持続的な愛を持っていました。

C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning

Something added or considered later than originally planned.

Example

The gift seemed like an afterthought rather than a genuine gesture.

C1 noun ˈælərdʒən

allergen

アレルギー反応を引き起こす物質

Meaning

A substance that causes an allergic reaction.

Example

Pollen is a common allergen that affects many people.

花粉は多くの人々に影響を与える一般的なアレルゲンです。

C1 noun ɔːˈstɛr.ɪ.ti

austerity

緊縮

Meaning

Simple and disciplined lifestyle, avoiding luxury.

Example

The government implemented austerity measures to reduce expenses.

政府は支出を削減するために緊縮策を実施した。

C1 adverb /əˈlɜːrtli/

alertly

注意深く

Meaning

in a watchful, attentive, and quick-to-notice manner

Example

She listened alertly to every sound in the dark forest.

彼女は暗い森であらゆる音を注意深く聞いていた。

C1 adjective /əˈɡæst/

aghast

驚愕

Meaning

filled with shock or horror

Example

The audience was aghast at the tragic scene.

観客はその悲劇的なシーンに驚愕していた。

C1 verb /əˈpreɪz/

appraise

評価する

Meaning

to evaluate the value, quality, or importance of something

Example

The jeweler appraised the diamond before buying it.

宝石商はダイヤモンドを購入する前に評価しました。

C1 noun /əˈliː.dʒəns/

allegiance

忠誠

Meaning

Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.

Example

Soldiers take an oath of allegiance to their country.

兵士たちは自国に忠誠の誓いを立てます。

C1 verb /əˈnʌl/

annul

取り消す

Meaning

to declare something legally invalid or cancel it

Example

The court decided to annul the marriage due to fraud.

裁判所は詐欺のために結婚を取り消すことを決定しました。

C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

先住民

Meaning

Relating to the original inhabitants of a region.

Example

The museum has a large collection of aboriginal art.

博物館には先住民のアートの大きなコレクションがあります。

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。

C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

自律

Meaning

Acting independently or having the freedom to do so.

Example

Autonomous systems ensure greater precision.

自律システムはより高い精度を確保します。

C1 noun, verb /ˈɔːtɒpsi/

autopsy

検死

Meaning

a post-mortem examination to discover the cause of death or the extent of disease

Example

The autopsy revealed that the victim had died from poisoning.

検死は、犠牲者が中毒で亡くなったことを明らかにしました。

C1 adjective /ænˈtɪriər/

assessor

評価者

Meaning

a person who evaluates or estimates the nature, ability, or quality of something

Example

An external assessor reviewed the project report.

外部の評価者がプロジェクトの報告書を確認しました。

C1 adjective /ˈækʃənəbl̩/

actionable

実行可能な

Meaning

Able to be acted on or giving sufficient reason for legal action.

Example

The lawyer confirmed that the evidence was actionable in court.

弁護士は証拠が法廷で実行可能であることを確認しました。

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。

C1 adjective /ɑːrˈkeɪn/

arcane

難解な

Meaning

understood by few; mysterious or secret

Example

The professor’s lecture was full of arcane details that only specialists could follow.

教授の講義は専門家だけが理解できるようなアーケインな詳細で満ちていました。

C1 verb /əˈlʊər/

allure

魅力

Meaning

to attract or tempt someone with something desirable; to entice

Example

The beautiful garden allured visitors from far away.

美しい庭園が遠くから訪問者を魅了しました。

C1 noun /əˈsɛndənsi/

ascendancy

優位, 支配

Meaning

A position of power, influence, or control over others.

Example

The company gained ascendancy in the market through innovation.

その会社は革新を通じて市場で優位を獲得しました。

C1 noun /əˈkwɪtl/

acquittal

Meaning

a judgment that a person is not guilty of the crime with which they have been charged

Example

The acquittal of the accused shocked the public.

C1 verb /ˈæn.ɛks/

annex

併合する

Meaning

To take control of a territory and add it to one's own.

Example

The empire annexed the neighboring kingdom after the war.

帝国は戦争後、隣国を併合した。

C1 noun /əˈfɪn.ɪ.ti/

affinity

親近感

Meaning

A natural liking for or attraction to a person, thing, idea, etc.

Example

She has an affinity for classical music.

彼女はクラシック音楽に親近感を持っています。

C1 adjective ɔːɡˈmen.tɪd

augmented

拡張された、改善された、広げられた

Meaning

having been made greater in size or value.

Example

The new software provided augmented reality features.

新しいソフトウェアは拡張現実の機能を提供しました。

C1 noun /ˌænəsˈθetɪk/

anesthetic

麻酔薬

Meaning

A substance that causes loss of sensation or consciousness, especially used during surgery.

Example

The doctor administered a local anesthetic before stitching the wound.

医者は傷を縫う前に局所麻酔を施しました。

C1 verb /əˈbriːvieɪt/

abbreviate

省略する

Meaning

To shorten a word, phrase, or text by leaving out letters or parts.

Example

We often abbreviate 'Doctor' to 'Dr'.

私たちはよく 'Doctor' を 'Dr.' に省略します。

C1 noun /əˌlɪtəˈreɪʃən/

alliteration

頭韻

Meaning

the occurrence of the same consonant sound at the beginning of words in close succession

Example

She used alliteration in her poem to add musicality.

彼女は詩の中で音楽性を加えるためにアリテレーションを使用しました。

C1 adjective /ˈæmərəs/

amorous

情熱的

Meaning

Showing, feeling, or relating to romantic love or desire.

Example

He sent her an amorous letter filled with declarations of love.

彼は愛の宣言でいっぱいのアモロスな手紙を彼女に送った。

C1 noun /æmˈniːʒə/

amnesia

健忘症

Meaning

A partial or total loss of memory, usually caused by injury, illness, or psychological trauma.

Example

After the accident, she suffered from amnesia and could not remember her own name.

事故後、彼女はアムネジアに苦しみ、自分の名前を思い出せなかった。

C1 noun /ˌeɪ.li.əˈneɪ.ʃən/

alienation

疎外

Meaning

The state of being isolated or estranged from a group or activity.

Example

The new policies created a sense of alienation among employees.

新しい政策は従業員の間に疎外感を生み出しました。

C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

友好的

Meaning

Having a spirit of friendliness; without serious disagreement or rancor.

Example

They reached an amicable agreement.

彼らは友好的な合意に達しました。

C1 noun, adverb /ˈeɪliəs/

alias

別名

Meaning

A false or assumed identity; also used to mean 'otherwise called'.

Example

The criminal was known by the alias 'Shadow'.

その犯罪者は『シャドウ』という別名で知られていた。

C1 verb /əˈtɛst/

attest

証明する

Meaning

To provide or serve as clear evidence of; to confirm or certify the truth of something.

Example

The witness attested to the accuracy of the report.

証人は報告書の正確さを証明しました。

C1 verb /ˈæɡənaɪz/

agonize

苦しむ

Meaning

To suffer extreme physical or mental pain; to spend time worrying.

Example

She agonized for days over whether she had made the right decision.

彼女は自分が正しい決断を下したかどうかを何日も悩んでいました。

C1 adjective /əˈmiːnəbl/

amenable

協力的

Meaning

willing to cooperate or be influenced; open to suggestions

Example

She was amenable to the idea of working longer hours.

彼女は長時間働くという考えに賛成だった。

C1 noun /əˈkɔːrdiən/

accordion

アコーディオン (楽器)

Meaning

a musical instrument played by squeezing and expanding with keys and buttons

Example

The musician played a cheerful tune on the accordion.

ミュージシャンはアコーディオンで陽気なメロディーを演奏しました。

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。