alien
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 /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 adjective /əˈstɒnɪʃt/

astonished

驚いた
Meaning
feeling very surprised or amazed
Example
She was astonished by the magician's incredible trick.
彼女はその魔術師の信じられない手品に驚いた。
C2 noun /ˌæpəˈrɪʃən/

apparition

幻影
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
子供たちは古い家で突然現れた幻影に驚きました。
C1 noun /əˈlʌmnəs/

alumnus

卒業生
Meaning
a former student or graduate of a school, college, or university
Example
He is an alumnus of Harvard University.
彼はハーバード大学の卒業生です。
C1 noun /ˈæk.jʊ.mən/

acumen

鋭さ
Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
彼のビジネス鋭さは会社の急成長を助けた。
C2 adjective /ˌævəˈrɪʃəs/

avaricious

貪欲な
Meaning
having or showing extreme greed for wealth or material gain
Example
The avaricious landlord increased the rent unfairly.
貪欲な家主は不公平に家賃を上げました。
B2 adjective əˈstaʊn.dɪŋ

astounding

驚くべき、衝撃的な、すばらしい
Meaning
Surprisingly impressive or notable; causing shock or surprise.
Example
The magician's astounding tricks left the audience speechless.
魔法使いの驚くべきトリックは観客を言葉を失わせました。
B2 adjective /əˈsɪdɪk/

acidic

酸性の
Meaning
containing acid; having a sour taste; sharp or biting in tone
Example
The lemon has an acidic taste that makes your mouth pucker.
レモンはとても酸っぱい味がする。
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。
C2 verb /əˈbreɪd/

abrade

摩擦で擦り減らす
Meaning
to scrape or wear away the surface by friction or erosion
Example
The rough cloth can easily abrade the skin.
ザ・ラフクロスは皮膚を簡単に擦ります。
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。
A2 verb /əˈnaʊns/

announce

発表する
Meaning
to make a formal public statement about something
Example
The company will announce the new product tomorrow.
会社は明日新しい製品をアナウンスします。
C1 noun /ˈɑː.kɪ.taɪp/

archetype

原型、典型
Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
この絵は現代アートの原型です。
C1 adjective /ˈænsɪləri/

ancillary

補助的な
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
その会社は医療業界に補助的なサービスを提供しています。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
B2 adjective /æpt/

apt

適切な
Meaning
Appropriate or suitable; having a natural tendency or quick to learn.
Example
She is an apt student who quickly understands new concepts.
彼女は新しい概念をすぐに理解できる適切な学生です。
C1 adjective /ˈæʃən/

ashen

青白い
Meaning
Very pale in appearance, often due to shock, fear, or illness.
Example
His face turned ashen when he heard the terrible news.
彼は恐ろしいニュースを聞いたとき、顔が青白くなった。
C2 noun /əkˈsɛʃən/

accession

即位 / 条約の受諾
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
王の即位は大きな儀式で祝われました。
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。
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。
C1 noun /əˈvɜːrʒən/

aversion

嫌悪
Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
彼女は喫煙に強い嫌悪感を持っています。
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。
C2 verb /əˈvaʊtʃ/

avouch

主張する
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
彼は裁判官の前で無実を主張しました。
C1 noun /əˈrɪs.tə.kræt/

Aristocrat

貴族; 高貴な血筋を持つ人
Meaning
a member of the aristocracy; a person of noble rank or birth
Example
The aristocrat lived in a magnificent castle.
そのアリストクラットは豪華な城に住んでいました。
B2 verb /əˈspaɪər/

aspire

志す
Meaning
to have a strong desire to achieve something
Example
Many students aspire to study abroad.
多くの学生が海外で勉強することを目指しています。
B2 noun ədˈvɜː.sɪ.ti

adversity

逆境
Meaning
Difficulties; misfortune; a difficult or unpleasant situation.
Example
He remained strong in the face of adversity.
彼は逆境に直面しても強さを保った。
B1 verb /əˈweɪk/

awake

目を覚ます
Meaning
to stop sleeping; to become conscious or alert
Example
I awake every morning at six o'clock.
私は毎朝6時に目を覚ます。
C1 noun /ˌæntɪˈsiːdənt/

antecedent

先例
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
この祭りの文化的な先例は何世紀も前に遡ります。
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。
C1 verb /əˈfɪliˌeɪt/

affiliate

提携する
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
その学校は地元の大学と提携しています。
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 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。
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。
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 /ænˈtɪriər/

anterior

前部の
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
脳の前部は論理的思考を制御します。
C2 verb /əkˈsiːd/

accede

同意する
Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
政府はついに抗議者の要求に応じた。
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。
B1 verb əˈdrɛst

addressed

対応した
Meaning
To think about and begin to deal with an issue or problem.
Example
Addressing key problems is vital for long-term change.
主要な問題に取り組むことは、長期的な変化にとって重要です。
C1 adjective /əˈvɜːrs/

averse

嫌悪
Meaning
having a strong dislike of or opposition to something
Example
He was averse to taking unnecessary risks.
彼は不必要なリスクを取ることに嫌悪感を抱いていた。
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。
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 /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 /ˌæprəˈbeɪʃən/

approbation

承認 / 賞賛
Meaning
approval or praise
Example
The plan won the approbation of the board members.
その計画は理事会メンバーの承認を得ました。
B1 noun /ˈeə.rə.pleɪn/

Aeroplane

飛行機
Meaning
a powered flying vehicle with fixed wings and a weight greater than that of the air it displaces
Example
The aeroplane took off smoothly from the airport runway.
飛行機は空港の滑走路から滑らかに離陸した。
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。
A1 noun /ˈɑːnti/

aunty

おば
Meaning
the sister of one’s father or mother; a term of respectful address for an older woman, especially in South Asian usage
Example
My aunty lives near our house and often visits us.
私のおばは家の近くに住んでいて、よく私たちを訪ねます。
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。
A1 pronoun /ˈɛniˌbɒdi/

anybody

誰でも
Meaning
any person; anyone
Example
Anybody can join the club.
誰でもクラブに参加できます。
A2 adverb /əˈbrɔːd/

Abroad

海外で
Meaning
in or to a foreign country
Example
She decided to study abroad for a year.
彼女は1年間海外で学ぶことを決めました。
B2 noun /ˌæk.jʊˈzeɪ.ʃən/

accusation

告発
Meaning
A statement that someone has done something wrong or illegal.
Example
She made an accusation of theft against her colleague.
彼女は同僚に対して窃盗の告発を行いました。
B2 noun /ˈæŋk.lət/

Anklet

足首飾り
Meaning
a piece of jewelry worn around the ankle
Example
She wore a beautiful silver anklet on her left foot.
彼女は左足に美しい銀のアンクレットを着けていた。
C2 adjective /əˈsiːtɪk/

acetic

酢酸の
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
酢の酢酸の臭いが台所に広がった。
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。
C2 noun /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
A2 adjective ˈæv.ər.ɪdʒ

average

平均
Meaning
A number expressing the central or typical value in a set of data; constituting the result obtained by adding together several amounts and then dividing this total by the number of amounts.
Example
The average score reflects overall performance.
平均スコアは全体的なパフォーマンスを反映します。
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。
B1 adverb /ˈɑːf.tə.wərdz/

Afterwards

その後; 後で; 次に
Meaning
at a later time; after an event or time that has already been mentioned
Example
We had dinner and afterwards we watched a movie.
私たちは夕食をとり、その後映画を見ました。
C2 adjective /əˈkɜːrsɪd/

accursed

呪われた
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
村人たちは丘の上の呪われた家を避けていた。
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 noun /əˈkwɪtəns/

acquittance

領収書
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
彼はローンを支払った後で、領収書を要求した。
C1 noun /ˌædʒ.ɪˈteɪ.ʃən/

agitation

動揺
Meaning
a state of nervousness, excitement, or unrest; or action of stirring up public concern
Example
There was visible agitation among the crowd.
群衆の中には明らかな動揺がありました。
B2 adverb /əˈtræktɪvli/

attractively

魅力的に
Meaning
in a pleasing or appealing way; in a manner that draws interest or admiration
Example
The room was attractively decorated with soft lights and plants.
その部屋は柔らかい照明と植物で魅力的に飾られていた。
A2 noun /ˈɔːtoʊ/

auto

オート
Meaning
A motor vehicle, especially a car.
Example
He drove his auto to the market.
彼はオートで市場に行きました。
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。
B2 noun /ˈæbi/

abbey

修道院
Meaning
A large church building or monastery where monks or nuns live, work, and worship.
Example
The old abbey on the hill attracts many tourists each year.
丘の上の古い修道院は毎年多くの観光客を引き寄せます。
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.
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。
B1 noun /ˈeər fɔːrs/

Air force

空軍
Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
空軍は山脈の上で訓練演習を行った。
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
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 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 verb /ˈæmplɪˌfaɪ/

amplify

増幅する
Meaning
to make sounds louder; to make something larger or more significant
Example
The microphone amplifies her voice.
マイクロフォンは彼女の声を増幅させます。
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。
A2 noun /əˈsɪstənt/

assistant

アシスタント
Meaning
a person who helps or supports another, often in a job
Example
She works as an assistant in a law firm.
彼女は法律事務所でアシスタントとして働いています。
B2 noun əˈmend.mənts

amendments

修正案
Meaning
Changes or additions made to improve a text, law, or constitution.
Example
Amendments reflect evolving public needs.
修正案は進化する公共のニーズを反映しています。
C1 noun /əˈtjuːn.mənt/

attunement

調和
Meaning
Being in harmony or responsive to someone's emotional state.
Example
Attunement to emotions improves relationships.
感情への調和は関係を改善する。
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

対空砲
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
対空砲は軍事基地を守るために配置されました。
B2 adverb /ˈæk.jə.rət.li/

Accurately

正確に、間違いなく、適切に
Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
彼女は選挙結果を正確に予測した。
A1 adverb /əˈraʊnd/

Around

周り; あたり; 約
Meaning
in a circle; on all sides; in the vicinity; approximately
Example
Look around and you will see many beautiful flowers.
周りを見てみると、たくさんの美しい花が見える。
C1 noun /əˈboʊd/

abode

住居
Meaning
a place of residence; a home
Example
They invited us to their humble abode.
彼らは私たちを彼らの質素な住居に招待しました。
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 noun /ˈæntənɪm/

antonym

反意語
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ は ‘cold’ の反意語です。
C2 verb /əˈvɜːr/

aver

断言する
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
彼女は無罪だと主張した。
B1 verb /əˈtætʃ/

attach

添付する
Meaning
to join or fasten something to another thing
Example
Please attach the document to the email before sending.
送信する前に、ドキュメントをメールに添付してください。
C2 noun /ˈæn.ə.lɪst/

annalist

年表作成者
Meaning
A person who writes annals or records events year by year.
Example
The annalist carefully documented the events of the king's reign.
アナリストは王の統治期間の出来事を慎重に記録しました。
A1 preposition, adverb /əˈlɔːŋ/

along

沿って
Meaning
moving in a constant direction on (a road, path, or surface)
Example
We walked along the river.
私たちは川沿いに歩きました。
C2 adjective /əˈkjuː.zəˌtɔːr.i/

accusatory

非難の
Meaning
Suggesting blame or indicating someone has done wrong.
Example
He gave her an accusatory glance.
彼は彼女に非難の目を向けた。
C2 noun /ˈæstər/

Aster

アスターの花
Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
秋の庭で紫のアスターの花が美しく咲きました。
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。
C2 noun/adjective /ælˈbaɪ.noʊ/

albino

アルビノ (色素が欠けている人/動物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
アルビノウサギは白い毛とピンクの目を持っていました。
C1 noun /əˈrɪəz/

arrears

未払い
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
彼女は電気代の未払いが数ヶ月遅れていた。
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。
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。
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

適応機能
Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
植物の適応機能は、冬に成長するのを助けます。
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。
B1 noun/adjective /ˌæfrɪkən əˈmɛrɪkən/

african-american

アフリカ系アメリカ人
Meaning
A person of African descent living in or originating from the United States; relating to such people.
Example
She is proud of her African-American heritage.
彼女は自分のアフリカ系アメリカ人としての誇りを持っています。
A2 noun əˈɡriː.mənt

agreement

契約
Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
その契約はすべての国によって受け入れられました。
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

消化に関連する
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
医者は消化管の役割について説明しました。
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。
C2 noun /ˈæntɪkwɛri/

antiquary

骨董品商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
アンティクアリーは中世の貴重な手稿を集めるのに何年も費やしました。
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 verb /əˈrɛst/

arrest

逮捕する
Meaning
to catch and hold by legal authority; to stop suddenly
Example
The police will arrest the suspect tomorrow.
警察は明日容疑者を逮捕する予定です。
C2 verb /ˈærəˌɡeɪt/

arrogate

不当な要求
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
独裁者は不当な要求で全ての権力を自分のものにした。
B2 preposition /əˈmɪd/

amid

中で
Meaning
in the middle of or surrounded by something
Example
The team stayed calm amid the chaos.
チームは混乱の中で冷静を保った。
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 /ˌɑːrbɪˈtreɪʃən/

arbitration

仲裁
Meaning
the process of resolving a dispute through an impartial third party whose decision is binding; formal judgment outside a court
Example
The contract requires arbitration to settle any disputes.
契約では紛争を仲裁で解決することが定められています。
C1 noun /ˈɑːr.sən.əl/

arsenal

兵器庫
Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
軍隊は武器を安全な兵器庫に保管していた。
A1 noun /ɑːrt/

art

芸術
Meaning
the expression or application of human creative skill and imagination
Example
She studied art at the university.
彼女は大学で芸術を学びました。
B1 adjective /ˈæk.jə.rət/

Accurate

正確; 正しい;
Meaning
correct, exact, and without any mistakes
Example
The weather forecast was completely accurate.
天気予報は完全に正確でした。
B2 adjective /ˈædvɜːrs/

Adverse

不利な; 有害な; 否定的な
Meaning
harmful; unfavorable; opposing; negative
Example
The adverse weather conditions forced them to cancel the event.
厳しい天候条件がイベントを中止させました。
B1 adjective /ˈæn.ju.əl/

annual

年次
Meaning
happening once every year
Example
The company holds an annual meeting for all its shareholders.
会社は毎年、すべての株主のために年次総会を開催します。
C2 noun /ˈæpəfθɛm/

apophthegm

短くて、機知に富んだ教育的な言葉や格言
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
彼女は会議で共有するために、いつも機知に富んだアポフテムを持っていた。
C1 noun /əˈsæsɪn/

Assassin

暗殺者
Meaning
a person who murders an important person for political or religious reasons
Example
The president was protected from potential assassins by security guards.
大統領はセキュリティガードによって潜在的なアサシンから守られていた。
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。
B2 noun ˈæk.tɪv rɪˈkɔːl

Active recall

アクティブリコール
Meaning
A learning technique that involves actively trying to retrieve information from memory rather than passively reviewing material.
Example
Active recall improves long-term memory and retention.
アクティブリコールは長期記憶と保持力を向上させます。
B1 noun əˈwɛrnɪs

Awareness

認識
Meaning
Knowledge or understanding about important issues, particularly environmental conservation.
Example
Spreading awareness is essential to save butterflies.
蝶を救うために認識を広めることが重要です。
C1 noun /ˈæbdəmən/

abdomen

腹部
Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.
彼は腹部の痛みを訴えました。
A1 determiner/pronoun /ˈɛni/

any

いずれかの
Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
何か質問はありますか？
B2 adjective /əˈbʌndənt/

abundant

豊富
Meaning
existing or available in large quantities; plentiful
Example
The garden was abundant with colorful flowers.
庭は色とりどりの花であふれていました。
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 verb /əˈkrɛdɪt/

accredit

認証
Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
その大学は国の教育委員会から認定されています。