alder
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C2 noun /ˈɔːldər/

alder

アルダーの木
Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
アルダーの木は川のほとりに密に成長していました。
B2 noun /ɔːˈtɒn.ə.məs ˈviː.ɪ.kəlz/

autonomous vehicles

自動運転車
Meaning
Vehicles that can operate and move without human intervention or control.
Example
Autonomous vehicles are revolutionizing the future of transport.
自動運転車は交通の未来を革新しています。
B1 adverb /əˈperəntli/

Apparently

明らかに;
Meaning
seemingly; as far as one knows or can see; clearly; evidently
Example
Apparently, the meeting has been postponed to next week.
明らかに、会議は来週に延期されたようです。
C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

アンドロジナス
Meaning
Having both male and female characteristics; not clearly masculine or feminine.
Example
The fashion show featured models with an androgynous look.
ファッションショーではアンドロジナスなルックのモデルが登場しました。
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。
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。
C2 noun /əˈdɛndəm/

addendum

補遺
Meaning
an additional item or piece of information added at the end of a document or book
Example
The report included an addendum with updated statistics.
報告書には更新された統計データが含まれている補遺が含まれていた。
C2 adverb /əˈbɛd/

abed

ベッドで
Meaning
in bed
Example
She stayed abed all day due to illness.
病気のため、彼女は一日中ベッドで寝ていました。
C2 noun /əˈsɜːrbəti/

acerbity

辛辣さ
Meaning
bitterness or sharpness of tone, manner, or taste
Example
The acerbity of his remarks left everyone silent.
彼の発言の辛辣さは、みんなを静かにさせた。
B1 noun /ədˈvaɪzər/

adviser

アドバイザー
Meaning
a person who gives advice, especially in a professional or official role
Example
He works as a financial adviser at a bank.
彼は銀行で金融アドバイザーとして働いています。
A2 noun /ˈɔːtəm/

autumn

秋
Meaning
the season between summer and winter, when leaves fall from trees
Example
The trees look beautiful in autumn, with colorful leaves falling.
木々は秋に美しく見え、カラフルな葉が落ちています。
B2 verb /ˈælaɪ/

ally

味方
Meaning
To unite or form a connection or partnership with another person, group, or nation.
Example
The two countries decided to ally against their common enemy.
二国は共通の敵に対して連携することを決定した。
C2 verb /əˈbæʃ/

abash

困らせる
Meaning
to make someone feel embarrassed or ashamed
Example
Her sudden question seemed to abash him.
彼女の突然の質問は彼を困らせたようだ。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
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。
C2 adverb /əˈsʌndər/

asunder

バラバラに
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古代の帝国は戦争でバラバラにされてしまった。
C2 verb /əˈbɑː.mə.neɪt/

abominate

嫌悪する
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
彼女は動物への残虐行為を憎んでいます。
B2 verb /əˈvɜːrt/

avert

避ける
Meaning
to prevent something bad from happening or to turn away one's eyes or thoughts
Example
Quick action helped avert a disaster.
迅速な対応が災害を回避する手助けとなった。
C1 noun /əˈpɒlədʒɪst/

apologist

擁護者
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
彼は権威主義的な政権の擁護者として知られています。
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

副業
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
絵画はオフィスの後の彼の副業です。
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。
B1 adjective /æmˈbɪʃ.əs/

Ambitious

野心的
Meaning
having strong desire for success or achievement; aspiring
Example
She is ambitious and works hard to achieve her goals.
彼女は野心的で、目標を達成するために一生懸命働いています。
A2 adjective /əˈsliːp/

asleep

眠っている
Meaning
in a state of sleep
Example
The baby is fast asleep.
赤ちゃんはぐっすり眠っています。
B2 verb /əˈveɪl/

avail

利用する
Meaning
to make use of something; to be of use or benefit
Example
You should avail yourself of this opportunity.
この機会を利用すべきです。
C2 verb /ˌækwiˈɛs/

acquiesce

黙って従う
Meaning
to accept something reluctantly but without protest
Example
She decided to acquiesce to her parents’ wishes.
彼女は両親の願いを黙って従うことに決めました。
C2 adjective /ˈæstrəl/

astral

Meaning
Relating to the stars or to spiritual, non-physical realms.
Example
Some believe in astral projection, the ability to leave the body and travel spiritually.
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。
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。
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 noun /əˈstrɒnəmər/

astronomer

天文学者
Meaning
a scientist who studies the stars, planets, and the universe
Example
The astronomer observed the new comet through his telescope.
天文学者は望遠鏡を使って新しい彗星を観察しました。
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。
A2 noun /æd/

ad

広告
Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
会社はスマートフォンの新しい広告を公開しました。
B2 adverb /əˈbrʌptli/

Abruptly

突然かつ予期せず; 予告なしに
Meaning
suddenly and unexpectedly; without warning
Example
The meeting ended abruptly when the power went out.
会議は電力が切れたときに突然終了しました。
B1 adjective /æθˈlɛtɪk/

athletic

アスレチックな、力強い
Meaning
physically strong, fit, and active; related to athletes or sports
Example
She has an athletic body because she exercises regularly.
彼女は定期的に運動しているので、アスレチックな体を持っています。
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 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 adjective /əˈbɪs.əl/

abyssal

深海の
Meaning
Related to or characteristic of the deep ocean, especially the zone below 4000 meters.
Example
Abyssal creatures survive in extreme pressure conditions.
アビサルクリーチャーは極端な圧力条件で生き残ります。
C2 noun /ˈɔːɡjʊri/

augury

前兆
Meaning
A sign or omen that is believed to predict future events.
Example
The dark clouds were seen as an augury of an approaching storm.
暗い雲は近づいている嵐の前兆として見られた。
B1 verb /əˈdæpt/

adapt

適応する
Meaning
to adjust or change something to suit new conditions or situations
Example
He quickly adapted to the new environment.
彼はすぐに新しい環境に適応しました。
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。
B2 adverb /əˈproʊpriətli/

appropriately

適切に
Meaning
in a way that is suitable or proper for a particular situation
Example
She was dressed appropriately for the event.
彼女はイベントに適切に服を着ていました。
C1 noun /əˈlɒt.mənt/

allotment

割り当て、配分
Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
各部門はリソースの割り当てを受け取りました。
B1 noun /ˈænəlɪst/

analyst

アナリスト
Meaning
a person who studies or examines something carefully to understand it or make decisions
Example
The financial analyst predicted a rise in the stock market.
金融アナリストは株式市場の上昇を予測しました。
C2 noun /ænˈtɪstrəfi/

antistrophe

アンチストロフィー (修辞法の一つ)
Meaning
A rhetorical device in which a word or phrase is repeated at the end of successive clauses; in Greek choral poetry, the part of the ode sung by the chorus in return movement.
Example
The poet used antistrophe to emphasize the repeated phrase.
詩人は繰り返されるフレーズを強調するためにアンチストロフィーを使用しました。
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

待合室
Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
ゲストはホールに入る前に待合室で待っていました。
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 adjective /ˌeɪpəˈlɪtɪkəl/

apolitical

政治的でない
Meaning
not interested in or not connected with politics
Example
She prefers to stay apolitical and focus on her work.
彼女は政治的でない態度を保ち、仕事に集中することを好みます。
B2 noun, verb /ˈævəlæntʃ/

avalanche

Meaning
(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche
Example
The avalanche buried the mountain road under tons of snow.
B2 noun ɔːɡˈmɛn.tɪd riˈæl.ɪ.ti

augmented reality

拡張現実、仮想と現実世界の融合
Meaning
Technology that overlays digital information on the real world environment.
Example
Gaming has been transformed by augmented reality.
拡張現実がゲームを変えました。
B2 verb /əˈweɪt/

await

待つ
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
私たちはあなたの返事を大きな期待を持って待っています。
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。
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。
C2 verb /əˈvaʊ/

avow

公然と宣言する
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
彼はためらうことなく、彼の忠誠心をその活動に公然と誓った。
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。
B2 adverb /əˈlɔːŋ.saɪd/

Alongside

隣で; 一緒に;
Meaning
beside; next to; together with
Example
She walked alongside her friend through the park.
彼女は公園で友達と一緒に歩いた。
B2 verb /əˈkweɪnt/

acquaint

親しくする
Meaning
to make someone familiar with something; to inform or introduce
Example
Please acquaint yourself with the safety guidelines before operating the machine.
機械を操作する前に、安全ガイドラインを確認してください。
B1 adverb /əˈsaɪd/

Aside

横に; 脇に; 主な部分から離れて
Meaning
to one side; apart; away from the main part
Example
Please set your book aside and listen to me.
本を脇に置いて、私の話を聞いてください。
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。
C2 noun əˌten.juˈeɪ.ʃən

attenuation

減衰、減少、弱化
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
音波の減衰はコミュニケーションに影響を与えます。
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

放棄する
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
彼女はチームのために自分の個人的な利益を放棄することを選びました。
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 /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。
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。
B1 adjective /ˌɔːtəˈmætɪk/

automatic

自動
Meaning
working by itself without direct human control
Example
This car has an automatic transmission.
この車には自動変速機があります。
B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

中毒者
Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
彼は毎日何時間もゲームをするゲーム中毒者です。
B1 verb /əˈpriːʃieɪt/

appreciate

感謝する
Meaning
to recognize the value or significance of; to be grateful for
Example
I really appreciate your help with this project.
このプロジェクトでのあなたの助けに本当に感謝しています。
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。
C2 verb /əbˈhɔːr/

abhor

嫌悪する
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
彼女は動物への残酷さを嫌悪しています。
A2 noun /ˈɛər.laɪn/

airline

航空会社
Meaning
A company that provides regular flights for passengers and goods.
Example
The airline announced a discount on international tickets.
その航空会社は国際線チケットの割引を発表しました。
C2 adjective /ˈæʒər/

azure

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

anchorage

停泊地
Meaning
A secure holding place; a place where ships can anchor safely.
Example
The boat was anchored near the shore for safety.
ボートは安全のために岸辺に停泊されました。
B1 verb /əˈdɔːr/

adore

崇拝する
Meaning
to love deeply and respect highly
Example
She adores her little sister.
彼女は小さな妹をとても愛しています。
C2 adjective /əˈsɜːrbɪk/

acerbic

辛辣
Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
彼の辛辣なコメントは会議で多くの人々を侮辱しました。
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。
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

確認
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
自己肯定の毎日の確認は自信を高めます。
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。
B1 noun /ˈæmətər/

amateur

アマチュア
Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
その絵画は印象的に見えましたが、アマチュアによって描かれました。
A1 noun /ænt/

aunt

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

acclivity

上り坂
Meaning
An upward slope or incline on the ground.
Example
The hikers struggled as they climbed the steep acclivity.
登山者たちは急な上り坂を登るときに苦労しました。
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 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。
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。
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 /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。
C2 noun /ˈæl.kə.laɪ ækt/

Alkali Act

アルカリ法案
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
1863年のアルカリ法案は最初の環境法の一つでした。
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。
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。
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

終末的
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
映画は核戦争後の終末的な未来を描いています。
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

非同期の
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
非同期コースは学生が自分のペースで学べるようにします。
B2 adjective /əˈbrʌpt/

abrupt

突然
Meaning
Sudden or unexpected, often without warning.
Example
The car came to an abrupt stop in the middle of the road.
車は道路の中央で急停車しました。
C2 adjective /əˈsɪdjʊləs/

acidulous

やや酸っぱいまたは鋭い
Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
批評家は映画に対して鋭いレビューを書いた。
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。
C2 noun /ˈæltruɪst/

altruist

利他的な人
Meaning
a person who has an unselfish concern for the welfare of others
Example
He is an altruist who always puts others' needs before his own.
彼は常に他人のニーズを自分のニーズよりも優先する利他的な人です。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
C1 noun /əˈkuːstɪks/

acoustics

音響学
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
ホールの優れた音響学により、オーケストラの音が豊かで明確に聞こえました。
A2 verb /əˈtrækt/

attract

引き付ける
Meaning
to cause someone to have interest or draw something towards
Example
The flowers attract bees with their bright colors.
花はその鮮やかな色で蜂を引き寄せます。
B2 adjective; verb (past/participle) /əˈʃʊrd/

assured

確信している；自信のある
Meaning
confident and certain; guaranteed or made certain
Example
She felt assured that everything would work out.
彼女はすべてうまくいくと確信していた。
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。
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgment

認識
Meaning
the act of accepting, admitting, or recognizing something
Example
He received an acknowledgment of his application.
彼は自分の申し込みの認識を受け取りました。
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。
C2 noun /əˈɡrɒnəmi/

agronomy

農業学
Meaning
The science and practice of soil management and crop production, focusing on the principles of plant and soil science to optimize agricultural productivity.
Example
Agronomy focuses on soil management and crop production.
農業学は土壌管理と作物生産に焦点を当てています。
C2 verb /əˈkuːtə/

accoutre

装備する
Meaning
to dress or equip, especially in something impressive or elaborate
Example
The knight was accoutred in shining armor.
騎士は輝く鎧で装備されていました。
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。
B2 noun /əˈreɪ/

array

配列、展示
Meaning
an impressive display or arrangement of things
Example
The shop displayed an array of colorful dresses.
ショップはカラフルなドレスの印象的な展示をしました。
C1 noun ˌæɡ.rəʊˈkem.ɪ.kəl

agrochemical

農業化学物質
Meaning
A chemical product used in agriculture, especially a pesticide or fertilizer.
Example
Excessive use of agrochemicals can degrade soil quality.
過度なアグロケミカルの使用は土壌の質を低下させる可能性があります。
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

中傷
Meaning
Critical or slanderous remarks; multiple attacks on reputation.
Example
The politician rejected the aspersions cast against him.
政治家は彼に対してなされた中傷を拒否した。
C2 adverb /əˈskæns/

askance

疑いの目で
Meaning
With suspicion, mistrust, or disapproval.
Example
She looked askance at his unusual proposal.
彼女は彼の異常な提案を疑いの目で見た。
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

匿名
Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
オンライン匿名はユーザーをサイバー脅威から守ります。
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。
B2 noun ˈæsɪd reɪn

acid rain

酸性雨
Meaning
Rainfall made acidic by atmospheric pollution, especially from industrial emissions.
Example
Acid rain damages crops and buildings.
酸性雨は作物や建物にダメージを与えます。
C2 noun /ˈɑːm.lət/

Armlet

アームレット
Meaning
a band worn around the upper arm as an ornament
Example
The traditional dancer wore golden armlets that gleamed in the spotlight.
伝統的なダンサーは、スポットライトの中で輝く金色のアームレットを着けていました。
C2 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
A2 noun /ˈɔːdiəns/

audience

観客
Meaning
A group of people who gather to watch, listen to, or experience a performance, event, or broadcast.
Example
The audience clapped loudly after the performance.
パフォーマンス後、観客は大きな拍手を送った。
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

ぼんやりとした前兆
Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
この劇は、今後の政治的不安定のぼんやりとした前兆を示している。
C2 noun /ˈɔːtɑːrki/

autarchy

自給自足
Meaning
A system of self-sufficiency where a state or community is economically independent.
Example
The nation attempted autarchy to reduce reliance on imports.
その国は輸入依存を減らすために自給自足を試みました。
C1 adjective /ˈɑːtfəl/

Artful

巧妙な; 技巧的; ずるい
Meaning
clever or skillful, especially in a cunning way
Example
She gave an artful answer that avoided the real question.
彼女は本当の質問を避ける巧妙な答えを出しました。
C1 adjective /ɔːˈtʌmnəl/

autumnal

秋の
Meaning
relating to or characteristic of autumn; occurring in autumn
Example
The autumnal colors of red and gold filled the forest.
赤と金の秋の色が森を満たした。
C1 verb /əbˈsteɪn/

abstain

自制する
Meaning
To restrain oneself from indulging in or partaking of something.
Example
People often abstain from digital devices to enhance focus.
人々は集中力を高めるためにデジタル機器を使うのを自制することがよくあります。