adverse effects
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B2 adjective + noun ˈædvɜːrs ɪˈfekts

adverse effects

悪影響
Meaning
Negative or harmful impacts that result from an action or condition.
Example
Plastic usage has adverse effects on the environment.
プラスチックの使用は環境に悪影響を与える。
C1 noun /əˈkɔːrdiən/

accordion

アコーディオン (楽器)
Meaning
a musical instrument played by squeezing and expanding with keys and buttons
Example
The musician played a cheerful tune on the accordion.
ミュージシャンはアコーディオンで陽気なメロディーを演奏しました。
C2 noun /ˈæntɪk/

antic

ユーモア
Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
子供たちはクラウンのユーモアに笑いました。
C1 verb ɔːɡˈmɛntɪŋ

augmenting

増加する
Meaning
Increasing; making something greater in size, number, or degree
Example
Life expectancy is augmenting with advancements in healthcare.
医療の進歩により、平均寿命は増加しています。
B2 noun /ˈeɪkər/

acre

Meaning
a unit of land area equal to 4,840 square yards (about 4,047 square meters)
Example
The farmer owns five acres of fertile land.
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 verb/adjective /ɑːrˈtɪkjʊlət/

articulate

Meaning
to express thoughts or ideas clearly; having the ability to speak fluently and clearly
Example
She was able to articulate her ideas during the meeting.
C2 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

格言的スタイル
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
彼女の執筆スタイルは簡潔で格言的です。
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。
B2 noun /əˌdæptəˈbɪləti/

adaptability

適応性
Meaning
The quality of being able to adjust to new conditions or circumstances
Example
Adaptability to changing environments is crucial in business.
変化する環境に適応する能力はビジネスにおいて重要です。
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 verb /əˈsɪst/

assist

助ける
Meaning
to help or support someone in doing something
Example
The nurse will assist the doctor during the surgery.
看護師は手術中に医者をアシストします。
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。
C1 noun /ˈæl.kə.laɪ/

alkali

アルカリ性物質
Meaning
a soluble base substance, typically with a pH greater than 7, that neutralizes acids
Example
Soap contains alkali which helps remove grease.
石鹸にはアルカリ性物質が含まれており、油を取り除くのに役立ちます。
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

ワシの巣
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
鷲は崖の上にあるその巣の近くに誇らしげに止まった。
B2 adjective /ˈæm.pəl/

Ample

十分な; 充実した; 余裕のある
Meaning
large in size, extent, or capacity; plentiful; more than enough
Example
We have ample time to finish the project before the deadline.
プロジェクトを締め切り前に終わらせるための十分な時間があります。
B1 noun, adjective, gerund /ˈæk.tɪŋ/

acting

演技
Meaning
the art or profession of performing in plays, films, or television; temporary performance of duties; the process of performing an action
Example
She is studying acting to become a professional actress.
彼女はプロの女優になるために演技を勉強しています。
B1 noun /əˈpruː.vəl/

approval

承認
Meaning
official permission or agreement for something
Example
The project received government approval.
そのプロジェクトは政府の承認を得た。
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
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
B2 adjective /əˈtɒm.ɪk/

Atomic

原子
Meaning
relating to atoms or atomic energy; extremely small
Example
The atomic structure of hydrogen is the simplest.
水素の原子構造は最も単純です。
B2 noun /əˈplɔːz/

applause

拍手
Meaning
the sound of people clapping their hands to show approval or enjoyment
Example
The actor received loud applause after his performance.
俳優は彼のパフォーマンス後に大きな拍手を受けました。
B2 noun /ɑːrtʃ/

arch

アーチ
Meaning
a curved symmetrical structure spanning an opening and typically supporting the weight above it
Example
The ancient arch still stands in the city center.
古代のアーチは今でも街の中心に立っています。
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 /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。
C1 noun /ˈækəleɪd/

accolade

栄誉
Meaning
An award, honor, or expression of praise.
Example
She received an accolade for her outstanding performance.
彼女は卓越したパフォーマンスで栄誉を受けました。
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 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。
C2 noun əˈlæk.rə.t̬i

alacrity

迅速で楽しい準備
Meaning
Brisk and cheerful readiness.
Example
He accepted the challenge with alacrity.
彼はアラクリティで挑戦を受け入れた。
B2 noun /əˈmɛnətiz/

amenities

アメニティ
Meaning
useful or pleasant facilities and services provided for comfort or convenience
Example
The hotel offers modern amenities such as free Wi-Fi and a swimming pool.
ホテルは無料Wi-Fiやプールなどの現代的なアメニティを提供しています。
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。
A1 noun /eər/

Air

空気
Meaning
the invisible gaseous substance surrounding the earth; a mixture mainly of oxygen and nitrogen
Example
Fresh air is essential for good health.
新鮮な空気は健康に不可欠です。
B1 noun /ˈæʃ.treɪ/

Ash tray

灰皿
Meaning
a receptacle for tobacco ash and cigarette butts
Example
Please use the ash tray for your cigarette.
あなたのタバコのために灰皿を使ってください。
C2 adjective /əˈpɒ.krɪ.fəl/

apocryphal

疑わしい
Meaning
Of doubtful authenticity, though widely circulated as true.
Example
The story about him saving the village is probably apocryphal.
彼が村を救ったという話は、おそらく疑わしい。
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。
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。
B1 adjective /ɑːrmd/

armed

武装した
Meaning
equipped with or carrying weapons
Example
The bank was robbed by armed men.
銀行は武装した男たちに襲われた。
B2 adjective /əˈnɒn.ɪ.məs/

Anonymous

匿名の; 名前のない
Meaning
having an unknown name or identity; nameless
Example
The author published the book under an anonymous pseudonym.
著者は匿名のペンネームでその本を出版した。
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。
A2 noun ækt

act

法律
Meaning
A written law passed by a legislative body.
Example
The act was passed in 2023.
その法律は2023年に可決されました。
A2 noun ədˈvɛnʧər

Adventure

冒険
Meaning
An unusual and exciting experience or activity that is typically bold and sometimes risky.
Example
Adventure travel is loved by thrill-seekers.
アドベンチャー旅行はスリルを求める人々に愛されています。
C1 verb /əˈkleɪm/

acclaim

称賛する
Meaning
to praise enthusiastically and publicly
Example
The audience acclaimed the actor for his outstanding performance.
観客はその俳優の素晴らしい演技に喝采を送った。
B2 adjective /ænˈdʒelɪk/

angelic

天使のような
Meaning
Like or characteristic of an angel; pure, kind, or innocent.
Example
The child had an angelic smile.
その子供は天使のような笑顔をしていました。
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。
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 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。
C1 verb /əˈfɪks/

affix

貼り付ける / 取り付ける
Meaning
to attach or stick something firmly to another thing
Example
Please affix the stamp to the envelope.
切手を封筒に貼ってください。
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。
C1 adjective, verb /ˈeɪlɪŋ/

ailing

病気の
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
病気の患者は治療後、ゆっくり回復し始めた。
C1 noun /ədˈhiːʒən/

adhesion

付着
Meaning
the process or state of sticking to something
Example
Strong adhesion is needed for the tiles to stay in place.
タイルがその位置に留まるためには強い付着が必要です。
A2 noun /ˈeə.ri.ə/

area

Meaning
a particular region or space; the extent of a surface
Example
This area is known for its beautiful parks.
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 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 verb /əˈvɔɪd/

avoid

避ける
Meaning
To keep away from or stop oneself from doing something.
Example
He tries to avoid junk food.
彼はジャンクフードを避けようとしています。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

提携
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
彼の会社との提携は10年間続いた。
A2 adverb /əˈbʌv/

Above

上に; 上方
Meaning
in or to a higher place; overhead
Example
The airplane flew above the clouds.
飛行機は雲の上を飛んでいました。
C2 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

非対称
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
その建物のデザインは非対称であり、珍しいです。
B2 noun /əˈvɔɪdəns/

avoidance

回避
Meaning
the act of staying away from something; deliberate prevention of contact or confrontation
Example
Avoidance of difficult conversations can create bigger problems later.
難しい会話を回避すると、後でより大きな問題を生むことがある。
A2 noun /ˈɑːr.tɪst/

Artist

芸術家
Meaning
a person who creates art, especially paintings or drawings; a person skilled in a particular art form
Example
The artist displayed her sculptures at the gallery opening.
そのアーティストはギャラリーのオープニングで彼女の彫刻を展示した。
C2 noun /ˌær.əˈbɪl.ɪ.ti/

arability

耕作能力
Meaning
The quality of land being suitable for growing crops.
Example
The arability of land depends on soil quality and water availability.
土地の耕作能力は土壌の質と水の利用可能性に依存しています。
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。
C1 noun /æmˈniːʒə/

amnesia

健忘症
Meaning
A partial or total loss of memory, usually caused by injury, illness, or psychological trauma.
Example
After the accident, she suffered from amnesia and could not remember her own name.
事故後、彼女はアムネジアに苦しみ、自分の名前を思い出せなかった。
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 adjective /əˈɡrɛsɪv/

aggressive

攻撃的
Meaning
ready or likely to attack or confront; forceful
Example
The salesman used an aggressive strategy to close the deal.
営業マンは契約を結ぶために攻撃的な戦略を使用しました。
B2 verb /ˈæktɪveɪt/

activate

アクティベート
Meaning
to make something start or function
Example
She pressed the button to activate the machine.
彼女は機械を起動するためにボタンを押しました。
C1 noun /əˈduː/

ado

騒ぎ / 不必要な活動
Meaning
a fuss or unnecessary activity; trouble or difficulty
Example
Without further ado, let’s begin the ceremony.
これ以上のアドなしで、式を始めましょう。
B2 noun ɑːmd ˈkɒn.flɪkt

armed conflict

武装紛争
Meaning
A contest of armed forces; warfare between opposing military forces.
Example
Armed conflict resulted in widespread devastation.
武装紛争は広範な破壊を引き起こしました。
B2 noun /əˈriːnə/

arena

アリーナ, 会場
Meaning
a large area surrounded by seats for sports, entertainment, or other events
Example
The basketball game will be held in the new arena downtown.
バスケットボールの試合は市内中心部の新しいアリーナで行われます。
C1 noun /ˈæpərtʃər/

aperture

開口部 / 穴
Meaning
an opening, hole, or gap, especially one that lets in light
Example
Light entered through the small aperture in the wall.
光は壁の小さな開口部を通って入った。
C1 noun /ˈæmplɪtjuːd/

amplitude

振幅
Meaning
the maximum extent of a vibration or oscillation, or the size of something
Example
The amplitude of the earthquake was measured on the Richter scale.
地震の振幅はリヒター・スケールで測定されました。
C1 noun /ˌæɡ.rəˈveɪ.ʃən/

aggravation

悪化, 増悪
Meaning
The act of making a situation worse or the state of being worsened.
Example
The delay caused great aggravation for the passengers.
遅延は乗客に大きな不快感を引き起こしました。
B1 verb /əˈfɛkt/

affect

影響する
Meaning
to influence or make a difference to something
Example
The weather can greatly affect our mood.
天気は私たちの気分に大きな影響を与えることがある。
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 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。
B1 adjective /əkˈsɛptəbəl/

acceptable

受け入れ可能な
Meaning
able to be agreed upon; satisfactory or suitable
Example
Your proposal is acceptable to the committee.
あなたの提案は委員会に受け入れ可能です。
C2 noun /ˈæktʃuˌɛri/

actuary

アクチュアリー
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
アクチュアリーは保険契約を最終決定する前にリスクを計算しました。
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。
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。
C1 adjective /əˈluːf/

aloof

距離を置いた
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
彼は議論の間ずっと距離を置いていました。
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 /ˌæbnɪˈɡeɪʃən/

abnegation

自己否定
Meaning
the act of renouncing or rejecting something, especially self-denial
Example
The monk’s life was one of complete abnegation of worldly pleasures.
僧侶の生活は世俗的な快楽の完全な自己否定でした。
B1 verb /əˈkjuːz/

accuse

告発する
Meaning
to charge someone with a crime or wrongdoing
Example
She accused him of stealing her wallet.
彼女は彼を財布を盗んだことで告訴した。
C2 noun /əˈbeɪəns/

abeyance

一時的な保留
Meaning
a state of temporary suspension or inactivity
Example
The project was held in abeyance until funds became available.
そのプロジェクトは資金が利用可能になるまで保留されていました。
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。
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。
A1 verb (first person singular of 'be') /æm/

am

私は
Meaning
the first person singular present tense of 'be'
Example
I am happy today.
今日は私は幸せです。
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 /ˈæpəzɪt/

apposite

適切
Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
彼女のコメントはその状況に非常に適切でした。
B2 verb /əˈraɪz/

arise

現れる
Meaning
to begin to exist or to happen
Example
Problems may arise if you don't plan ahead.
計画を立てないと問題が現れることがあります。
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。
A1 adverb /əˈɡoʊ/

ago

以前
Meaning
Used to indicate how long before the present something happened.
Example
I met her two years ago.
私は2年前に彼女に会いました。
B1 verb /əˈpruːv/

approve

承認する
Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
委員会は明日新しい方針を承認します。
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。
A2 verb /əˈpɪə/

appear

現れる
Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
彼女は突然ドアの前に現れました。
C2 adjective /ˈæsɪnaɪn/

asinine

愚かな
Meaning
Extremely foolish or stupid.
Example
It was an asinine idea to drive into the storm without checking the weather.
天気を確認せずに嵐の中を車で走るのは愚かな考えだった。
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。
C1 verb /əˈbeɪt/

abate

減少する
Meaning
to become less intense or widespread
Example
The storm began to abate after midnight.
嵐は真夜中に弱まり始めました。
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

譲渡可能
Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
財産権は譲渡可能で、売却または転送できます。
B1 noun /əˈkaʊnt/

Account

アカウント
Meaning
a record of money received and paid out; a report or description of an event
Example
She opened a savings account at the bank.
彼女は銀行で貯蓄口座を開設しました。
B1 adjective ˌɑː.tɪˈfɪʃ.əl

artificial

人工の
Meaning
Made by humans; not occurring naturally
Example
Artificial systems are transforming industries.
人工システムは産業を変革しています。
B2 noun /ˈɑː.mənd/

Almond

アーモンド
Meaning
edible seed of the almond tree
Example
Almonds are a healthy snack rich in protein and good fats.
アーモンドは、タンパク質と良質な脂肪が豊富な健康的なスナックです。
B1 adjective /ænˈtiːk/

Antique

アンティーク; 古い;
Meaning
old and valuable; belonging to ancient times
Example
She collected antique furniture from the Victorian era.
彼女はヴィクトリア時代のアンティーク家具を集めました。
B1 adjective /ˌælfəˈbɛtɪkəl/

alphabetical

アルファベット順
Meaning
Arranged in the order of the letters of the alphabet.
Example
The names were listed in alphabetical order.
名前はアルファベット順にリストされていました。
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 /ænˈtɪfəni/

antiphony

アンティフォニー
Meaning
a form of music in which two or more groups or choirs sing alternately in response to each other
Example
The cathedral's architecture was designed to enhance the effect of antiphony.
大聖堂の建築は、アンティフォニーの効果を高めるために設計されました。
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 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。
A2 verb /əˈfɔːrd/

afford

余裕がある
Meaning
to have enough money to buy; to be able to spare
Example
I can't afford a new car right now.
今、新しい車を買う余裕がありません。
C2 noun /ˈæpədʒiː/

apogee

頂点
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
帝国は18世紀にその頂点に達しました。
A2 adjective /ˈɔːfəl/

awful

ひどい
Meaning
very bad or unpleasant
Example
The weather was awful during our trip.
旅行中、天気はひどかった。
B1 noun /ˈækses/

Access

アクセス
Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
学生は24時間いつでも図書館にアクセスできます。
C1 adjective /ˈɔːbərn/

auburn

赤褐色
Meaning
reddish-brown in color, especially used to describe hair
Example
She has long auburn hair that shines in the sunlight.
彼女は長い赤褐色の髪を持っていて、日光の下で輝いています。
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。
C2 noun /ˌæk.wiˈes.əns/

acquiescence

黙示的同意
Meaning
The reluctant acceptance of something without protest.
Example
His silent acquiescence to unfair rules was surprising.
不公平なルールへの彼の黙示的な同意は驚くべきものでした。
A2 noun /ˈæroʊ/

arrow

矢
Meaning
a thin, straight weapon with a pointed tip, shot from a bow
Example
The hunter shot an arrow at the target.
猟師はターゲットに矢を射った。
C2 noun /ˈædʒ.ə.tənt/

Adjutant

アジュタントコウ
Meaning
a large water bird with long legs and neck, also known as adjutant stork
Example
The adjutant stork stood motionless in the shallow water.
アジュタントコウは浅い水の中でじっと立っていました。
A2 noun /ˈæk.ʃənz/

actions

行動
Meaning
The fact or process of doing something, typically to achieve an aim.
Example
Immediate actions are needed for pollution control.
汚染防止のために即時の行動が必要です。
C2 verb /əˈbeɪs/

abase

卑下する
Meaning
to belittle or degrade someone
Example
He refused to abase himself before the king.
彼は王の前で自分を卑下するのを拒否した。
C1 adjective /ˌɔːtəˈkrætɪk/

autocratic

独裁的
Meaning
Relating to a ruler who has absolute power and does not consult others.
Example
The manager’s autocratic style discouraged employees from sharing their ideas.
マネージャーの独裁的なスタイルは、従業員が自分の考えを共有することを思いとどまらせました。
C2 adverb /əˈmʌk/

amuck

無秩序に
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
雄牛は村を無秩序に走り回った。