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。

B2 noun /əˈsɜːʃən/

assertion

主張

Meaning

a confident and forceful statement of fact or belief

Example

Her assertion that she was right was met with silence.

彼女の自分が正しいという主張は、沈黙とともに受け入れられました。

C2 noun /ˈɑːrtɪfɪs/

artifice

策略

Meaning

clever or cunning devices or tricks used to deceive others

Example

The politician's charm was nothing but artifice.

その政治家の魅力は単なる策略にすぎなかった。

C1 noun əˈtrɪʃ.ən

attrition

減耗

Meaning

The process of reducing something's strength or effectiveness through sustained attack or pressure.

Example

The company faced high employee attrition due to job dissatisfaction.

会社は仕事への不満により従業員の高い離職率に直面した。

C1 noun /ɑːrˈmɑːdə/

armada

戦艦艦隊

Meaning

A large fleet of warships.

Example

The Spanish Armada sailed against England in 1588.

スペインのアルマダは1588年にイギリスに対して出航した。

A2 noun /əˈpɑːrtmənt/

apartment

アパートメント

Meaning

a set of rooms forming a residence within a building

Example

She rented an apartment in the city center.

彼女は市の中心にアパートメントを借りました。

C1 noun /ˈælkoʊv/

alcove

アルコーブ

Meaning

A small recessed section of a room or a nook.

Example

She placed a reading chair in the alcove near the window.

彼女は窓の近くのアルコーブに読書用の椅子を置きました。

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 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。

C2 verb /əˈdʒʌdʒ/

adjudge

判決する

Meaning

to consider or declare officially in a legal or formal manner

Example

He was adjudged guilty by the court.

彼は裁判所によって有罪とされました。

B2 noun əˌpriː.ʃiˈeɪ.ʃən

appreciation

価値の上昇

Meaning

An increase in the value of an asset over time.

Example

Real estate properties often experience appreciation over time.

不動産は通常、時間の経過とともに価値が上昇します。

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。

C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

アグロフォレストリー

Meaning

A land use management system in which trees or shrubs are grown around or among crops or pastureland.

Example

Agroforestry improves soil quality and crop yield.

アグロフォレストリーは土壌の質と作物の収量を改善します。

B2 adjective əˈstɒnɪʃɪŋ

astonishing

驚くべき

Meaning

Extremely surprising or impressive; amazing.

Example

The astonishing discovery changed the way we view the universe.

その驚くべき発見は、私たちが宇宙を見る方法を変えました。

B1 verb /əˈdɒpt/

adopt

養子を迎える

Meaning

To take something as your own, such as a child, idea, or method.

Example

They decided to adopt a child from the orphanage.

彼らは孤児院から子供を養子にすることに決めました。

B2 noun /ˌæl.əˈɡeɪ.ʃən/

Allegation

告発

Meaning

a claim that someone has done something wrong or illegal

Example

The allegation against him was proven false.

彼に対する告発は虚偽であることが証明された。

A1 adjective /ˈeɪbl/

able

できる

Meaning

having the power, skill, or means to do something

Example

She is able to speak three languages fluently.

彼女は三言語を流暢に話すことができます。

C1 noun əbˈzɔːrp.ʃən

absorption

吸収

Meaning

The process or action by which one thing absorbs or is absorbed by another.

Example

Plants help in the absorption of carbon dioxide.

植物は二酸化炭素の吸収を助けます。

C2 noun /ˌænɪˈmɒmɪtər/

anemometer

アネモメーター

Meaning

An instrument used to measure the speed and direction of wind.

Example

The scientist used an anemometer to record the wind speed during the storm.

科学者は嵐の間に風速を記録するためにアネモメーターを使用しました。

B2 verb /əˈkʌmplɪʃ/

accomplish

達成する

Meaning

to achieve or complete successfully

Example

She managed to accomplish all her goals for the year.

彼女はその年の目標をすべて達成することができました。

B2 noun ˌæs.pɪˈreɪ.ʃən

aspiration

志望

Meaning

A hope or ambition of achieving something, a strong desire or goal to achieve something.

Example

His aspiration is to become a successful entrepreneur.

彼のアスピレーションは成功した起業家になることです。

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。

C1 adjective, noun /ɔːɡˈzɪliəri/

auxiliary

補助的

Meaning

(adjective) providing supplementary or additional help and support; (noun) a person or thing that provides auxiliary support

Example

The hospital has an auxiliary power generator in case of emergencies.

病院には緊急時用の補助電力発電機があります。

C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

Meaning

An indefinitely long period of time; an age or eternity.

Example

Dinosaurs roamed the Earth millions of aeons ago.

B1 noun /ˌæv.əˈkɑː.doʊ/

Avocado

アボカド

Meaning

a green pear-shaped fruit with creamy flesh and high fat content, often used in healthy diets

Example

Avocado is rich in healthy fats and is popular in salads and toast.

アボカドは健康に良い脂肪が豊富で、サラダやトーストに人気があります。

A1 adjective /ˈæŋ.ɡri/

Angry

怒っている; 怒った;

Meaning

feeling or showing strong displeasure; furious; irritated

Example

She was angry because someone had broken her favorite vase.

彼女は誰かが彼女のお気に入りの花瓶を壊したので怒っていた。

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。

C2 noun /ˈeə.rəm/

Arum

アラム

Meaning

a plant with large arrow-shaped leaves and a white spathe, also known as taro

Example

Arum leaves are commonly used in Bengali cuisine for cooking.

アラムの葉はインディア料理でよく使われます。

B2 adjective /əˈkuːstɪk/

acoustic

Meaning

relating to sound or the sense of hearing; not amplified by electrical means

Example

We recorded an acoustic version of the song in a quiet room.

B2 noun /ˌæbəˈlɪʃən/

abolition

廃止

Meaning

the act of formally ending or eliminating a system, practice, or institution

Example

The abolition of slavery was a major milestone in human rights history.

奴隷制度の廃止は人権の歴史における重要な節目でした。

C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

養蜂家

Meaning

a person who keeps and tends bees for honey production

Example

The apiarist collected fresh honey from the hives.

養蜂家は巣箱から新鮮な蜂蜜を集めました。

C2 noun /əˈrɔɪ.oʊ/

arroyo

乾いた小川

Meaning

A dry creek or stream bed that temporarily fills with water after heavy rain.

Example

After the storm, the arroyo quickly filled with rushing water.

嵐の後、小川は急速に水で満たされました。

A2 noun /əˈdɪʃ.ən/

Addition

加算; 追加のプロセス

Meaning

the process of adding numbers; something that is added

Example

The addition of a new room made the house more spacious.

新しい部屋の追加により家はより広くなりました。

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。

C2 noun /əˈkʌmpənɪst/

accompanist

伴奏者

Meaning

A person who plays a musical instrument to support a singer or another musician.

Example

The pianist served as the accompanist for the singer during the concert.

コンサート中にピアニストは歌手の伴奏者として活躍しました。

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 noun /ˈæktrəs/

actress

女優

Meaning

a female performer in plays, movies, or television

Example

The actress looked stunning on the red carpet.

その女優は赤い絨毯の上で素晴らしく見えました。

B2 noun /əˈtɒm.ɪk ˈhæb.ɪts/

atomic habits

アトミック・ハビッツ

Meaning

Small but powerful habits that can bring big changes over time

Example

Developing atomic habits leads to long-term success.

アトミック・ハビッツを育むことが長期的な成功に繋がる。

B2 noun ˈænsɛstərz

Ancestors

先祖

Meaning

A person from whom one is descended; a forefather.

Example

The family tree shows the names of all ancestors.

家族の木はすべての先祖の名前を示しています。

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。

C2 noun /əˈkwaɪərmənt/

acquirement

取得; 習得

Meaning

the act of acquiring something; something that has been acquired, especially a skill or possession

Example

Language proficiency is an important acquirement for global careers.

語学力はグローバルなキャリアにとって重要な取得です。

C2 adjective /əˈvʌŋkjələr/

avuncular

おじさんのように親切

Meaning

kind and friendly, like an uncle

Example

He had an avuncular manner that made everyone feel comfortable.

彼は、みんなが快適に感じるようなアヴァンクラールな態度を持っていました。

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。

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。

C2 adjective /ˈæbdʒɛkt/

abject

卑劣

Meaning

extremely bad, unpleasant, and degrading

Example

They lived in abject poverty.

彼らは卑劣な貧困の中で生きていました。

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。

A2 noun /ˈeər kənˈdɪʃ.ən.ər/

Air conditioner

エアコン

Meaning

a system that controls the temperature, humidity, and air quality in a building or room

Example

We turned on the air conditioner because it was too hot outside.

外が暑すぎたので、エアコンをつけました。

C2 verb /əˈdjuːs/

adduce

証拠や理由を提供する

Meaning

To provide evidence or reasons to support an argument or idea.

Example

The lawyer adduced several examples to support his case.

弁護士は自分のケースを支持するためにいくつかの例を挙げた。

C1 adjective /ˌæpəˈθɛtɪk/

apathetic

Meaning

showing or feeling little or no interest, enthusiasm, or concern

Example

He was apathetic about the outcome of the match.

C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

完全に理解し吸収する; 知識や文化に統合する

Meaning

To take in and understand fully; to absorb and integrate into one's knowledge or culture.

Example

Immigrants often struggle to assimilate into a new culture.

移民はしばしば新しい文化に適応するのに苦労しています。

B1 adverb /ˈɔːfəli/

awfully

とても

Meaning

in a very great degree; extremely; in a way that is very bad or unpleasant

Example

I am awfully glad to see you again.

また会えてとても嬉しいです。

A2 noun /ˈæθliːt/

athlete

アスリート

Meaning

a person who is trained or skilled in physical exercises, sports, or games requiring strength, agility, or stamina

Example

The athlete trained hard for the upcoming Olympic Games.

アスリートは、来たるオリンピック大会のために厳しい訓練を積んだ。

C2 noun /ˈɑːr.bɪ.trɑːʒ/

arbitrage

アービトラージ

Meaning

The simultaneous buying and selling of securities in different markets to take advantage of differing prices.

Example

Investors use arbitrage to make profits in global markets.

投資家はアービトラージを利用してグローバル市場で利益を得ます。

B1 adverb /ˈæŋɡrɪli/

angrily

怒って

Meaning

in a manner showing anger or strong displeasure

Example

She spoke angrily when she heard the news.

彼女はその知らせを聞いて怒って話した。

C2 noun (plural) /ˈɔːspɪsɪz/

auspices

後援

Meaning

Patronage, support, or guidance, often used in the phrase 'under the auspices of'.

Example

The conference was held under the auspices of the United Nations.

会議は国連の後援の下で行われました。

B2 noun /ˈɑːr.mər/

Armour

鎧

Meaning

protective covering worn by soldiers; metal plating for military vehicles

Example

The knight wore heavy armour to protect himself in battle.

騎士は戦いの中で自分を守るために重い鎧を着ていました。

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。

B1 adjective /ˈæktʃuəl/

actual

実際の

Meaning

real and existing, not just imagined or supposed

Example

The actual cost was higher than expected.

実際のコストは予想より高かった。

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。

C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

集合体, 総体

Meaning

A whole formed by combining several elements; to combine into a total.

Example

The data was aggregated to provide a clearer picture of the market.

データは市場のより明確な画像を提供するために集約されました。

B2 adjective /əkˈsɛsəbl/

accessible

アクセス可能

Meaning

easy to reach, use, or understand

Example

The museum is easily accessible by public transport.

その博物館は公共交通機関で簡単にアクセス可能です。

C2 noun əˈkjuː.ə.ti

acuity

鋭敏さ

Meaning

Sharpness or keenness of thought, vision, or hearing.

Example

His intellectual acuity made him a brilliant scientist.

彼の知的な鋭敏さは彼を優れた科学者にしました。

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 noun /ˌæntiˈklaɪmæks/

anticlimax

アンチクライマックス

Meaning

A disappointing end after a big build-up of excitement or expectation.

Example

The movie's ending was an anticlimax after such a thrilling story.

映画の終わりは、そんなにエキサイティングなストーリーの後のアンチクライマックスでした。

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 adverb /əˈfek.ʃən.ət.li/

Affectionately

愛情を込めて

Meaning

in a way that shows feelings of liking or love; with fondness and care

Example

She hugged her grandmother affectionately.

彼女はおばあちゃんを愛情を込めて抱きしめました。

B2 verb /ˈɔː.tə.meɪt/

automate

自動化する

Meaning

To make a process or system operate automatically by means of machines or computers.

Example

Many companies automate their processes to save time.

多くの企業は時間を節約するためにプロセスを自動化しています。

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。

C2 noun /əˈnjuː.ɪ.ti/

annuity

年金

Meaning

a fixed sum of money paid to someone each year, typically for the rest of their life

Example

She receives an annuity from her late husband's insurance policy.

彼女は故夫の保険契約から年金を受け取っています。

B1 adjective /ɑːrˈtɪstɪk/

artistic

芸術的

Meaning

having or revealing natural creative skill

Example

She has an artistic sense of design.

彼女はデザインに対するアーティスティックな感覚を持っています。

A2 conjunction /ɔːlˈðoʊ/

although

しかし

Meaning

in spite of the fact that; even though

Example

Although it was raining, they went for a walk.

しかし、雨が降っていたが、彼らは散歩に出かけた。

C1 noun /ˌædəˈreɪʃən/

adoration

崇拝 / 深い愛

Meaning

deep love and respect; worship

Example

The fans showed their adoration for the singer.

ファンは歌手に対して自分の愛情を示した。

C2 noun /ˈɛəri/

aerie

鷲の巣

Meaning

A large nest of a bird of prey, especially an eagle, typically built high in a tree or on a cliff.

Example

The eagle built its aerie on the high cliff.

ワシは高い崖に巣を作った

B2 noun əˈmendmənt

amendment

修正案

Meaning

A minor change in a document.

Example

The amendment was not supported.

その修正案は支持されませんでした。

B1 noun /ədˈmɪʃ.ən/

Admission

入学; 受け入れ

Meaning

the process of entering or being allowed to enter a school or organization; accepting that something is true

Example

She gained admission to Harvard University.

彼女はハーバード大学に入学許可を得ました。

A1 verb /æd/

add

追加する

Meaning

to join something to something else; to include

Example

Please add sugar to my coffee.

コーヒーに砂糖を加えてください。

C2 noun /ˌæriˈviːst/

arriviste

成金

Meaning

A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.

Example

The business world is full of ambitious arrivistes.

ビジネスの世界には野心的な成金が溢れています。

C2 noun /əˈfreɪ/

affray

公開喧嘩

Meaning

A public fight or noisy disturbance that causes alarm.

Example

The police were called to break up an affray outside the stadium.

警察はスタジアム外での喧嘩を止めるために呼ばれました。

B1 noun /əˈtʃiːvmənt/

achievement

達成

Meaning

Something that has been successfully completed or accomplished through effort or skill.

Example

Graduating from university was her greatest achievement.

大学を卒業することは彼女の最大の達成でした。

C2 noun /ˌær.əˈbesk/

arabesque

装飾的デザイン

Meaning

a complex, ornate design featuring intertwined flowing lines, often used in architecture or ballet poses

Example

The ceiling was decorated with delicate arabesque patterns.

天井は繊細なアラベスク模様で飾られていました。

A2 preposition /əˈmʌŋ/

among

の中で

Meaning

surrounded by; in the middle of a group

Example

He was sitting among his friends.

彼は友達の中に座っていた。

B1 noun ɔːlˈtɜːrnətɪv

alternative

代替案

Meaning

(Of one or more things) available as another possibility or choice.

Example

Finding an alternative to plastic is essential.

プラスチックの代替品を見つけることは重要です。

C2 noun /æmˈbroʊʒə/

ambrosia

神の食べ物

Meaning

The food of the gods in classical mythology; something extremely pleasing to taste or smell.

Example

The dessert was so delicious that it tasted like ambrosia.

デザートはあまりにも美味しくて、アンブロージアのような味がしました。

B2 noun /əˈsaɪləm/

asylum

亡命

Meaning

Protection or shelter, especially given to refugees or the mentally ill.

Example

The refugees sought asylum in the neighboring country.

難民は隣国で亡命を求めた。

C1 noun /əˈsɛnʃən/

ascension

昇進

Meaning

The act of rising or going up, often to an important position or a higher place.

Example

His rapid ascension in the company surprised everyone.

会社での彼の急速な昇進は、皆を驚かせた。

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 /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。

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。

B2 verb /ænˈtɪsɪˌpeɪt/

anticipate

予期する

Meaning

to expect or look forward to something; to realize or foresee in advance

Example

We anticipate a large crowd at the event.

イベントには大勢の人が来ると予想しています。

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。

C2 verb /əˈkuːtər/

accouter

装備する

Meaning

to equip or outfit, typically with military or ceremonial attire

Example

The soldiers were accoutered in full battle gear.

兵士たちは完全な戦闘装備を整えていた。

B2 adverb /ˈæktɪvli/

actively

積極的に

Meaning

in a way that involves energetic participation or effort

Example

He is actively involved in community service.

彼は地域社会サービスに積極的に参加しています。

B2 verb /əbˈzɔːrb/

absorb

吸収する

Meaning

to take in or soak up a liquid, energy, or information

Example

The sponge absorbed all the water.

スポンジは水をすべて吸収しました。

B2 noun /əˈkaʊntɪŋ/

accounting

会計

Meaning

the process of recording, summarizing, and reporting financial transactions

Example

She works in the accounting department of a large firm.

彼女は大手企業の会計部門で働いています。

C2 adjective /ˌæntɪˈθɛtɪkəl/

antithetical

対照的な

Meaning

Directly opposed or contrasted; mutually incompatible.

Example

His views were antithetical to the values of the organization.

彼の見解は組織の価値観と真逆でした。

C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

裁定機関

Meaning

An official organization that has the authority to judge disputes and make decisions.

Example

The adjudicative body deliberated on the case.

裁定機関はケースについて審議した。

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。

C2 verb /əˈkɒst/

accost

強引に話しかける

Meaning

to approach and speak to someone boldly or aggressively

Example

The reporter was accosted by protesters outside the courthouse.

報道陣は裁判所の外で抗議者にアコストされた。

B2 verb /ˈæləkeɪt/

allocate

割り当てる

Meaning

to distribute or assign resources, duties, or responsibilities for a specific purpose

Example

The manager allocated funds for the new project.

マネージャーは新しいプロジェクトのために資金を割り当てました。

B2 adverb /ɔːˈθentɪkli/

authentically

本物らしく

Meaning

in a genuine, real, or true manner; in a way that reflects true character or origin

Example

She speaks authentically about her experiences.

彼女は自分の経験について本物らしく話す。

C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

農業社会

Meaning

Societies based on agriculture and farming as the primary economic activity.

Example

Agrarian societies emerged from a need for stable food sources.

農業社会は安定した食料源の必要性から生まれました。

B2 noun /æmˈbæsədər/

Ambassador

大使

Meaning

an accredited diplomat sent by a country as its official representative to a foreign country

Example

The ambassador met with government officials to discuss trade agreements.

大使は貿易協定について議論するために政府の役人と会いました。

C2 adjective /eɪˈrɪðmɪk/

arrhythmic

不整脈

Meaning

Lacking a regular rhythm or beat.

Example

The patient had an arrhythmic heartbeat.

患者は不整脈を持っていた。

C2 noun /ˈɑːrbər/

arbor

木々や蔓植物によって作られた日陰の庭の避難所

Meaning

a shady garden shelter formed by trees, climbing plants, or latticework

Example

They rested under the arbor covered with roses.

彼らはバラで覆われたアーボーの下で休憩していました。

B2 noun, verb /ˈɑːrkaɪv/

an

一つの（不定冠詞）

Meaning

used before a noun to refer to a non-specific item that begins with a vowel sound

Example

She ate an apple for breakfast.

彼女は朝食にリンゴを一つ食べた。

C2 verb /ˈæsəneɪt/

assonate

韻を踏む

Meaning

To correspond or agree in sound, especially by vowel sounds; to rhyme approximately.

Example

The lines assonate beautifully, giving the song a unique flow.

その行は美しく韻を踏んでおり、歌に独特の流れを与えています。

C2 noun /ˈɑːrtləsnəs/

artlessness

素朴さ, 自然さ

Meaning

The quality of being natural and simple without deceit or pretension.

Example

Her artlessness made her beloved by all.

彼女のartlessnessは、彼女をみんなに愛される存在にした。

B2 noun /ˈæltɪtuːd/

altitude

高度

Meaning

the height of an object or point in relation to sea level or ground level

Example

The airplane is flying at an altitude of 30,000 feet.

飛行機は30,000フィートの高度で飛んでいます。

B1 verb /əˈtɛmpt/

attempt

Meaning

to make an effort to achieve or complete something difficult

Example

He attempted to climb the mountain despite the bad weather.

C2 verb /əˈreɪn/

arraign

起訴する

Meaning

to formally accuse someone in a court of law and ask them to respond to the charges

Example

The suspect was arraigned before the judge this morning.

容疑者は今朝、裁判官の前で起訴されました。

B2 noun /ɑːrˈkeɪd/

arcade

アーケード

Meaning

a covered passage with arches along one or both sides; also a place with coin-operated games

Example

The children spent the afternoon playing games at the arcade.

子供たちはゲームセンターで午後を過ごしました。

B2 noun /ˈæftərˌlaɪf/

afterlife

Meaning

Life or existence that some believe continues after physical death.

Example

Many cultures have different beliefs about the afterlife.

B1 noun əˈreɪndʒmənt

arrangement

配置

Meaning

The way things are organized, positioned, or structured.

Example

The arrangement of protons in the nucleus is critical.

原子核内の陽子の配置は重要です。

A1 noun /ˈɛər.pɔːrt/

airport

空港

Meaning

A place where airplanes take off and land, with buildings for passengers and cargo.

Example

We arrived at the airport two hours before the flight.

私たちはフライトの2時間前に空港に到着しました。

C2 adjective /ˌæm.bɪˈdɛk.strəs/

ambidextrous

両利き

Meaning

Able to use both hands equally well, or versatile in abilities.

Example

Being ambidextrous can be beneficial in sports.

両利きであることはスポーツで有利です。

C2 verb /əˈdʌltəreɪt/

adulterate

不正混入

Meaning

to make something poorer in quality by adding another substance, usually of lower quality

Example

The company was fined for adulterating its products with cheap chemicals.

その会社は安価な化学物質で製品をアダルテレートしたため、罰金を科せられました。

B2 verb əˈpɔɪn.tɪd

appointed

任命された

Meaning

Assign a job or role to someone; designate someone to a position.

Example

Appointed officials carry significant responsibilities.

任命された職員は重要な責任を負います。

B2 noun /ˈædvərtaɪzər/

advertiser

広告主

Meaning

a person or company that advertises a product, service, or event

Example

The advertiser paid millions for a Super Bowl commercial spot.

広告主はスーパーボウルのコマーシャルに何百万ドルも支払った。

C2 verb /əˈsɛvəˌreɪt/

asseverate

断言する

Meaning

to affirm or declare positively and earnestly

Example

He asseverated that he had never seen the man before.

彼はその男を以前見たことがないと断言した。

C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者

Meaning

a person who has the authority to settle a dispute or decide an issue

Example

The principal acted as the arbiter in the conflict between the students.

校長は生徒間の対立で仲裁者として行動した。