astronomical
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
B2 adjective ˌæs.trəˈnɒm.ɪ.kəl

astronomical

天文学的
Meaning
Relating to astronomy; extremely large in amount or extent.
Example
The astronomical price reflects its exclusivity.
天文学的な価格はその排他性を反映しています。
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。
B2 adjective ˌæn.əlˈɪt.ɪ.kəl

analytical

分析的, 研究的, 論理的
Meaning
Using or skilled in using analysis (i.e., separating a whole—intellectual or substantial—into its elemental parts or basic principles).
Example
She has an analytical approach to problem-solving.
彼女は問題解決に分析的アプローチを取っています。
B1 adjective /əˈdɪʃənəl/

additional

追加の
Meaning
added, extra, or supplementary to what already exists
Example
The teacher gave the students additional homework.
先生は生徒に追加の宿題を出しました。
B2 adjective /əbˈsɜːrd/

absurd

不合理な, ばかげた
Meaning
wildly unreasonable, illogical, or inappropriate
Example
It is absurd to think that the earth is flat.
地球が平らだと思うのは不合理です。
B1 noun /əˈnaʊnsmənt/

announcement

発表
Meaning
a public or formal statement giving information
Example
The principal made an important announcement about the new schedule.
校長は新しいスケジュールについて重要な発表をしました。
C1 adjective /əˈdɒptɪv/

adoptive

養子の
Meaning
relating to the adoption of a child or the act of taking something as one’s own
Example
She grew up in a loving adoptive family.
彼女は愛情深い養子の家族で育った。
B2 verb /əˈkʌstəm/

accustom

慣れる
Meaning
to make someone familiar with something through regular experience or use
Example
It took him a while to accustom himself to the new environment.
新しい環境に慣れるのに少し時間がかかりました。
C2 noun /əˈdjuː/

adieu

Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
C2 noun /ˈɔːldərmən/

alderman

市議会議員
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
オールダーマンはコミュニティパークの新しい計画を提案しました。
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。
A1 noun /ˈæp.əl/

Apple

リンゴ
Meaning
a round fruit with red, green, or yellow skin and white flesh
Example
I eat an apple every day for breakfast.
私は毎朝、朝食にリンゴを食べます。
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。
B2 adjective /əˈdʒeɪsənt/

Adjacent

隣接する
Meaning
পার্শ্ববর্তী; সংলগ্ন; নিকটবর্তী;
Example
The hotel is adjacent to the shopping mall.
ホテルはショッピングモールの隣にあります。
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。
B1 noun əˈdɒp.ʃən

adoption

採用
Meaning
The process of accepting, embracing, or taking up something new, such as a practice, technology, or idea.
Example
The adoption of electric vehicles is increasing worldwide.
世界中で電気自動車の採用が増えています。
B2 noun /ˌærɪˈstɑːkrəsi/

aristocracy

貴族階級
Meaning
a class of people holding exceptional rank and privileges, especially hereditary nobility
Example
The aristocracy often had influence over political decisions.
貴族階級はしばしば政治的決定に影響を与えた。
C2 noun /ˈeɪʒən siː bæs/

Asian sea bass

アジアスズキ
Meaning
a large predatory fish found in coastal waters and estuaries of the Indo-Pacific region, prized for its white meat
Example
Asian sea bass is highly valued in aquaculture for its fast growth.
アジアスズキは成長が早いため、養殖業で高く評価されています。
A2 adverb /əˈpɑːrt/

Apart

別々に; お互いに遠く; ピースに
Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
2つの建物はお互いに遠く離れています。
C2 adjective /æbˈhɔːr.ənt/

Abhorrent

忌まわしい; 嫌悪すべき
Meaning
extremely unpleasant and causing disgust; detestable
Example
The idea of animal cruelty is abhorrent to most people.
動物虐待の考えはほとんどの人々にとって嫌悪感を抱かせます。
B2 noun /ˈæd.və.kət/

Advocate

弁護士
Meaning
a lawyer who represents clients in court; a person who supports or argues for a cause or policy
Example
The advocate presented strong evidence to defend his client in court.
その弁護士は法廷で彼の依頼人を弁護するために強力な証拠を提示した。
B1 adjective /əˈsoʊsieɪtɪd/

associated

関連した
Meaning
connected or related to something or someone
Example
She is closely associated with environmental movements.
彼女は環境運動に密接に関連しています。
C1 noun/verb /ˈætrəfi/

atrophy

萎縮
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
定期的な運動がないと、筋肉は時間とともに萎縮する可能性があります。
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。
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 adjective /ɔːˈrɪkjʊlər/

auricular

耳に関連する
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
医者は患者の体温を確認するためにオーリキュラー温度計を使用しました。
C2 noun /ˈæn.əlz/

annals

年鑑
Meaning
Historical records of events, usually arranged chronologically.
Example
Her name will be remembered in the annals of science.
彼女の名前は科学の年鑑に記録されるだろう。
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。
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。
A2 adjective, adverb, interjection /ɔːlˈraɪt/

alright

大丈夫
Meaning
satisfactory or acceptable; safe or unharmed; used to express agreement or acknowledgment
Example
Everything is going to be alright.
すべて大丈夫です。
C2 noun /ˈæk.rɪ.moʊ.ni/

acrimony

Meaning
Bitterness and anger, especially in speech or behavior.
Example
The divorce was filled with acrimony and disputes.
C1 noun /ˈæmpɛər/

ampere

アンペア
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
ワイヤーを流れる電流はアンペアで測定されます。
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。
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

禁欲主義, 自制
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
禁欲主義は歴史を通じて多くの宗教的伝統の一部でした。
B2 adverb /ˈæŋkʃəsli/

anxiously

不安そうに
Meaning
in a worried, nervous, or uneasy manner; with anxious anticipation
Example
She waited anxiously for the exam results.
彼女は試験の結果を不安そうに待っていた。
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。
B1 noun /ədˌmɪn.ɪˈstreɪ.ʃən/

Administration

行政; 管理
Meaning
the process of managing or organizing something; a government or organization
Example
The university administration announced new policies.
大学の行政は新しいポリシーを発表しました。
B2 verb /əˈsɛmbəl/

assemble

集める
Meaning
to gather or bring together in one place
Example
The students assembled in the hall for the meeting.
学生たちは会議のためにホールに集まりました。
C1 noun ˌæp.əˈreɪ.təs

apparatus

装置
Meaning
The technical equipment or machinery needed for a particular activity or purpose.
Example
The apparatus was designed to be eco-friendly.
その装置は環境に優しいように設計されました。
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。
C1 adjective /əˈwɒʃ/

awash

水浸し
Meaning
covered or flooded with water or something in large quantities
Example
The market was awash with cheap imported goods.
市場は安価な輸入品で水浸しだった。
A2 verb /əˈplaɪ/

apply

申請する / 適用する
Meaning
to make a formal request for something; to put into practice
Example
He decided to apply for the scholarship.
彼は奨学金の申請を決めた。
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。
C2 adjective /ˌæntɪdəˈluːviən/

antediluvian

非常に古臭い
Meaning
extremely old-fashioned; belonging to the time before the biblical flood
Example
His views on women are positively antediluvian.
彼の女性に対する見解は完全に時代遅れです。
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 noun /ˈæmnəsti/

amnesty

アムネスティ
Meaning
An official pardon granted to people who have been convicted of political offenses.
Example
The government announced an amnesty for all political prisoners.
政府はすべての政治犯に対してアムネスティを発表しました。
A1 adjective /əˈfreɪd/

afraid

怖がっている
Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
彼女は暗闇を怖がっていた。
C2 noun /əˈspær.ə.ɡəs biːn/

Asparagus bean

アスパラガス豆
Meaning
a long, thin green vegetable pod that grows on vines; also known as yard-long bean
Example
The asparagus bean grows up to three feet long and is commonly used in Asian cooking.
アスパラガス豆は最大で三フィートの長さになり、アジア料理で一般的に使用されます。
B2 noun /ˈeɪlmənt/

ailment

病気
Meaning
An illness, typically a minor one.
Example
He went to the doctor for a minor stomach ailment.
彼は軽い胃の病気のために医者に行った。
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。
C2 verb /ˈɔːɡər/

augur

予兆する
Meaning
To be a sign of something to come; to predict or foretell.
Example
Dark clouds augur a coming storm.
暗い雲が来る嵐を予示しています。
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 /əˈrɛstɪŋ/

arresting

魅力的な
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
女優は魅力的な演技をしました。
B2 verb /ˈænəlaɪz/

analyze

分析する
Meaning
to examine something in detail to understand it better or draw conclusions
Example
Scientists analyze data to discover new patterns.
科学者たちは新しいパターンを発見するためにデータを分析しています。
C2 adjective /ˌæntɪməˈrɪdiən/

antemeridian

昼前の時間
Meaning
Relating to the time before noon; occurring in the morning.
Example
She scheduled all her important meetings during the antemeridian hours.
彼女はすべての重要な会議を昼前の時間にスケジュールしました。
A2 noun /əˈɡriː.mənts/

agreements

契約
Meaning
Formal arrangements or understandings between two or more parties.
Example
Agreements strengthen partnerships.
契約はパートナーシップを強化します。
C2 adjective /əˈskjuː/

askew

傾いている
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
壁の絵は少し傾いていた。
B2 verb /əˈteɪn/

attain

達成する
Meaning
to achieve or reach something
Example
She worked hard to attain her goals.
彼女は目標を達成するために一生懸命働きました。
C2 adverb /əˈθwɔːrt/

athwart

横断, 反対
Meaning
Across or in opposition to something.
Example
A fallen tree lay athwart the road, blocking traffic.
倒れた木が道路を横断して、交通を妨げていた。
B2 adverb /ˈænjuəli/

annually

年次
Meaning
once every year; yearly
Example
The company holds a general meeting annually.
その会社は毎年年次総会を開きます。
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。
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。
B1 adjective /ədˈvænst/

advanced

進んだ
Meaning
highly developed or complex
Example
He is studying an advanced level of mathematics.
彼は高度な数学のレベルを学んでいます。
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。
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。
B2 verb /əˈlaɪn/

align

整列する / 直線にする
Meaning
To arrange things in a straight line; to adjust or bring into proper relation or agreement.
Example
The manager asked the team to align their goals with the company's mission.
マネージャーはチームに目標を会社のミッションに合わせるように言いました。
C2 noun /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
A2 noun /ədˈvaɪs/

advice

アドバイス
Meaning
Guidance or recommendations offered with regard to prudent future action.
Example
Experts provide advice for better air quality.
専門家は空気の質を向上させるためのアドバイスを提供します。
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。
C1 adverb /əˈfrɛʃ/

afresh

再び
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
失敗後、彼らは新たにプロジェクトを始めた。
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 noun /ˈælɪɡəri/

allegory

寓話
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
その小説は善と悪の闘争の寓話です。
C1 noun /ˌɑːr.kəˈpɛl.əˌɡoʊ/

archipelago

群島
Meaning
A group of islands clustered together in a body of water.
Example
Indonesia is an archipelago with thousands of islands.
インドネシアは何千もの島々が集まった群島です。
C1 adjective ˈɑː.dʒu.əs

arduous

骨の折れる
Meaning
Involving or requiring strenuous effort; difficult and tiring.
Example
The trek through the mountains was an arduous journey.
山を越える旅は骨の折れる旅だった。
C2 adjective /əˈmɔːrfəs/

amorphous

無定形
Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
その計画は無定形のままで、具体的な詳細が欠けていました。
C2 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

高所恐怖症
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
彼女のアクロフォビアは、高い建物に登ることを妨げました。
B2 noun ˌæl.ɪˈɡeɪ.ʃənz

allegations

告発
Meaning
Claims or assertions that someone has done something illegal or wrong, typically without proof.
Example
The allegations were investigated by an international body.
その告発は国際機関によって調査されました。
B2 verb /əˈsɜːrt/

assert

主張する
Meaning
to state a fact or belief confidently and forcefully; to insist upon rights or claims
Example
She decided to assert her authority in the meeting.
彼女は会議で自分の権威を主張することに決めた。
C2 noun /əˈluː.vi.əm/

alluvium

沖積土
Meaning
Fertile soil deposited by flowing water, especially in riverbanks.
Example
The alluvium in riverbanks is highly fertile for agriculture.
川の岸辺にあるアリューヴィウムは農業に非常に肥沃です。
A1 pronoun /ˈɛniwʌn/

anyone

誰か
Meaning
any person at all; used to refer to an unspecified person
Example
Does anyone know the answer to this question?
誰かこの質問の答えを知っていますか?
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。
B2 adjective /ˈædmərəbəl/

Admirable

賞賛に値する
Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
彼女の他人を助ける献身は本当に賞賛に値します。
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。
B2 noun əˌkaʊntəˈbɪləti

accountability

責任
Meaning
The fact or condition of being accountable; responsibility.
Example
Accountability is key to maintaining trust in any system.
責任は、あらゆるシステムで信頼を維持するための重要な要素です。
A2 noun /ˈæl.fə.bɛt/

alphabet

アルファベット
Meaning
a set of letters or symbols in a fixed order used to represent the sounds of a language
Example
Children usually learn the alphabet before learning to read words.
子どもたちはたいてい単語を読む前にアルファベットを学びます。
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。
C2 adjective /ˈækwɪˌlaɪn/

aquiline

ワシのくちばしのような
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
彼はワシのくちばしのような鼻を持っており、それが彼に優れた外見を与えていました。
B1 verb /əˈproʊtʃ/

approach

近づく / 解決する
Meaning
to move closer to someone or something; to deal with a situation or problem
Example
The teacher approached the student to offer help.
教師は学生に近づいて助けを申し出た。
B1 noun /ˈeɪ.dʒənt/

agent

エージェント
Meaning
A person who acts on behalf of another person or organization.
Example
The real estate agent showed us several houses.
不動産エージェントは私たちにいくつかの家を見せてくれました。
C2 adjective əˈsɪd.ju.əs

assiduous

勤勉な、熱心な
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
彼の勤勉な努力は成功したキャリアにつながった。
C1 verb /əˈlɒt/

allot

幸せ
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
彼女は賞を受け取ったとき、幸福を隠すことができませんでした。
B2 adjective /əˈlaɪd/

Allied

連合; 同盟; つながり
Meaning
joined by agreement or treaty; associated; connected
Example
The allied forces worked together during the war.
連合軍は戦争中に一緒に働いた。
B2 noun /æs/

Ass

ロバ
Meaning
a donkey; a small domesticated animal of the horse family
Example
The farmer used an ass to carry heavy loads.
農夫は重い荷物を運ぶためにロバを使いました。
C2 noun /əˈbaɪdəns/

abidance

遵守
Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
規則を守ることが委員会に印象を与えました。
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。
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

抗酸化物質
Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
緑茶には老化を遅らせる強力な抗酸化物質が含まれています。
B2 adjective /ˈeɪ.li.ən/

alien

エイリアン
Meaning
Belonging to a foreign country or nation; extraterrestrial.
Example
The telescope is capable of detecting alien signals.
望遠鏡はエイリアンの信号を検出することができます。
B2 noun /ˌɑːrkiˈɑːlədʒi/

archaeology

考古学
Meaning
the study of human history and prehistory through excavation and analysis of artifacts, monuments, and other physical remains
Example
She studied archaeology to learn about ancient civilizations.
彼女は古代文明について学ぶために考古学を学びました。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

アグロエコロジー
Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
アグロエコロジーは環境に優しい農業を促進します。
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶発的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
彼の成功は偶発的な状況による部分があった。
B1 preposition/adverb /əˈkɔːrdɪŋ/

according

によると
Meaning
As stated by or in agreement with.
Example
According to the report, sales increased last quarter.
報告書によると、売上は前四半期に増加しました。
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。
B2 noun əˈʃɔː.rəns

assurance

保証
Meaning
A positive declaration intended to give confidence; a promise.
Example
Assurance of quality is a priority for the council.
品質の保証は委員会の優先事項です。
A2 noun /ˈæmbjʊləns/

ambulance

救急車
Meaning
A specially equipped vehicle used to transport sick or injured people to the hospital.
Example
The ambulance rushed to the accident site within minutes.
救急車は数分で事故現場に到着しました。
B2 adjective ˌæɡ.rɪˈkʌl.tʃər.əl

agricultural

農業の
Meaning
Connected with farming.
Example
Agricultural advancements enhance food security.
農業の進展は食料安全保障を強化します。
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。
C2 noun /əˈmæl.ɡəm/

amalgam

混合物
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
新しい政策は、いくつかの以前の法律の混合物です。
A2 noun /ˈæk.ʃən/

Action

行動; アクション
Meaning
the process of doing something; something that is done
Example
We need to take action to solve this problem.
この問題を解決するために行動を起こす必要があります。
A1 preposition, adverb /əˈbaʊt/

about

について
Meaning
concerning; on the subject of; approximately
Example
We talked about the new project yesterday.
昨日、私たちは新しいプロジェクトについて話しました。
B2 noun /əˈsɛnt/

ascent

Meaning
The act of rising or climbing to a higher position or level.
Example
The climbers began their ascent to the mountain peak at dawn.
C1 noun /ænˈtæɡənɪzəm/

antagonism

対立
Meaning
active hostility or opposition
Example
There was clear antagonism between the two political parties.
二つの政党の間には明らかな対立があった。
B2 verb /əkˈsɛləreɪt/

accelerate

加速する
Meaning
to increase speed or make something happen sooner
Example
The driver accelerated to overtake the truck.
運転手はトラックを追い越すために加速しました。
C1 adverb /əˈlɒft/

aloft

高く
Meaning
Up in or into the air; overhead.
Example
The kite was flying aloft in the clear sky.
凧は晴れた空に高く飛んでいた。
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。
B2 noun /ˌɑːr.kiˈɑː.lə.dʒi/

archeology

考古学
Meaning
the study of human history and prehistory through excavation and analysis of artifacts and structures
Example
She decided to study archeology to learn about ancient civilizations.
彼女は古代文明について学ぶために考古学を学ぶことに決めました。
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。
B2 noun /əˈtɜːrni/

attorney

弁護士
Meaning
a person who practices law; a lawyer
Example
She hired an attorney to represent her in court.
彼女は裁判所で彼女を代表するために弁護士を雇いました。
C2 adjective /ɔːˈrɪfərəs/

auriferous

金鉱を含む
Meaning
Containing or producing gold.
Example
The miners discovered an auriferous vein in the mountains.
鉱山労働者は山で金鉱を含む鉱脈を発見しました。
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 adjective ɔːˈspɪʃ.əs

auspicious

縁起が良い
Meaning
Favorable or bringing good luck and success
Example
The wedding was held on an auspicious day.
結婚式は縁起の良い日に行われました。