adhesion
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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。
C1 noun esˈθet.ɪks

aesthetics

美学
Meaning
A set of principles concerned with the nature and appreciation of beauty, especially in art and design.
Example
Interior design focuses on aesthetics and functionality.
インテリアデザインは美学と機能性に焦点を当てています。
C1 noun /aɪ/

aye

賛成
Meaning
an affirmative vote or expression of agreement
Example
The committee voted aye on the proposal.
委員会は提案に賛成票を投じました。
C1 verb /ˈæbdɪkeɪt/

abdicate

放棄する
Meaning
To give up a position of power or responsibility, especially a throne.
Example
The king decided to abdicate the throne.
王は王位を放棄することに決めました。
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 /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。
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。
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 adjective /əˈɡæst/

aghast

驚愕
Meaning
filled with shock or horror
Example
The audience was aghast at the tragic scene.
観客はその悲劇的なシーンに驚愕していた。
C1 adjective /ɔːlˈmaɪ.ti/

Almighty

全能
Meaning
having unlimited power; omnipotent
Example
The almighty storm destroyed everything in its path.
その全能な嵐はその進路上のすべてを破壊しました。
C1 noun /əˈliː.dʒəns/

allegiance

忠誠
Meaning
Loyalty or commitment of a subordinate to a superior or of an individual to a group or cause.
Example
Soldiers take an oath of allegiance to their country.
兵士たちは自国に忠誠の誓いを立てます。
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 /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。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行動は言葉よりも雄弁である、それはよく知られた公理です。
C1 adjective /əˈsɛndənt/

ascendant

上昇する、支配的な
Meaning
Rising in power or influence; dominant.
Example
She is an ascendant leader in the political party.
彼女は政治党の中で上昇するリーダーです。
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。
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。
C1 noun /ɔːˈtɒkrəsi/

autocracy

独裁政治
Meaning
A system of government in which one person has absolute power.
Example
The country suffered under decades of autocracy.
その国は何十年もの間、専制政治に苦しんでいました。
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
C1 adjective /ˌeɪˈsɛkʃuəl/

asexual

無性愛
Meaning
Without sexual feelings, associations, or reproduction through sex.
Example
Many plants reproduce through asexual methods like budding or splitting.
多くの植物は芽生えや分裂のような無性愛的方法で繁殖します。
C1 adjective /əˈniːmɪk/

anemic

貧血
Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
医者は彼女の貧血状態のために鉄分補充剤を処方しました。
C1 adjective /əˈnæl.ə.ɡəs/

analogous

類似
Meaning
Comparable in certain respects, typically in a way that makes clearer the nature of things being compared.
Example
The human brain is analogous to a supercomputer.
人間の脳はスーパーコンピュータに類似している。
C1 verb /ænˈtæɡənaɪz/

antagonize

挑発する
Meaning
to cause someone to become hostile or angry; to provoke opposition
Example
His rude remarks only served to antagonize his colleagues.
彼の失礼な言葉は彼の同僚をアンタゴナイズすることにしかならなかった。
C1 noun /ˈeɪ.kər.ɪdʒ/

acreage

エーカー
Meaning
An area of land measured in acres.
Example
The farmer owns a large acreage of fertile land.
農夫は広大な肥沃な土地を所有しています。
C1 noun /ədˈhɪə.rəns/

adherence

遵守
Meaning
The practice of following or keeping to a rule, standard, or belief.
Example
Adherence to rules is crucial in any organization.
規則を遵守することは、どの組織においても重要です。
C1 adjective /ˈæntɪkweɪtɪd/

antiquated

時代遅れ
Meaning
Old-fashioned or outdated.
Example
The office still uses an antiquated filing system.
オフィスはまだ古くなったファイリングシステムを使用しています。
C1 adjective /ˈædʒɪteɪtɪd/

Agitated

動揺した; 不安な; 落ち着かない; 否定的に興奮した
Meaning
disturbed; anxious; restless; excited in a negative way
Example
He became agitated when he heard the bad news.
彼は悪いニュースを聞いて動揺した。
C1 verb /əˈdʒuːdɪˌkeɪt/

adjudicate

裁定する
Meaning
to make a formal judgment or decision about a problem or dispute
Example
The committee was formed to adjudicate disputes between the parties.
委員会は当事者間の争いを審理するために結成されました。
C1 adjective /ˈædəmənt/

Adamant

頑固な; 断固とした; 不屈の
Meaning
একগুঁয়ে; জেদী; দৃঢ়সংকল্প; অনমনীয়;
Example
She was adamant about her decision to leave the company.
彼女は会社を辞める決断に対して頑固だった。
C1 noun əˈrɪd.ɪ.ti

aridity

干ばつ
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
気候変動の影響で土地の干ばつが進行しています。
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。
C1 noun /əˈtrɑːsəti/

atrocity

残虐行為
Meaning
an extremely cruel or violent act, often involving physical violence
Example
The world condemned the atrocity committed against civilians.
世界は市民に対して行われた残虐行為を非難しました。
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

曖昧さ, 不明確さ
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
その声明の曖昧さはチームの間で混乱を引き起こしました。
C1 noun /ˈæntlɚ/

antler

鹿の角
Meaning
The branched horns on the head of a deer or similar animal, usually shed and regrown annually.
Example
The deer’s antlers grew larger each year.
鹿の角は毎年大きくなります。
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。
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。
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 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 /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。
C1 preposition /əˈtɒp/

atop

上に
Meaning
on the top of something
Example
A flag was placed atop the tower.
旗は塔の上に置かれました。
C1 adjective /ˈærɪd/

arid

乾燥した
Meaning
extremely dry; lacking in interest or excitement
Example
The desert is known for its arid climate.
砂漠はその乾燥した気候で知られています。
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 /əˈpriː.ʃə.bəl/

Appreciable

顕著な; 重要な; 数量的にかなり
Meaning
noticeable; significant; considerable in amount
Example
There was an appreciable improvement in his test scores.
テストのスコアに顕著な改善が見られました。
C1 adjective /ˈɔːdəˌtɔːri/

auditory

Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
C1 adjective /ˌeɪsɪˈmɛtrɪkəl/

asymmetrical

非対称
Meaning
Having parts that are not the same in size, shape, or arrangement.
Example
She wore an asymmetrical dress that drew everyone’s attention.
彼女は非対称のドレスを着て、皆の注目を集めていた。
C1 noun ɔːˈstɛr.ɪ.ti

austerity

緊縮
Meaning
Simple and disciplined lifestyle, avoiding luxury.
Example
The government implemented austerity measures to reduce expenses.
政府は支出を削減するために緊縮策を実施した。
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。
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

資産配分
Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
正しい資産配分は、金融成長の鍵です。
C1 noun /ˈælɔɪ/

alloy

合金
Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
ブロンズは銅とスズの合金です。
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。
C1 noun, verb, adjective /ˈæɡ.rɪ.ɡət/ (noun/adjective), /ˈæɡ.rɪ.ɡeɪt/ (verb)

aggregate

集合体, 総体
Meaning
A whole formed by combining several elements; to combine into a total.
Example
The data was aggregated to provide a clearer picture of the market.
データは市場のより明確な画像を提供するために集約されました。
C1 noun /ˌæmplɪfɪˈkeɪʃən/

amplification

増幅
Meaning
the act or process of making something stronger, louder, or more intense; an expansion or elaboration of details
Example
The microphone provides amplification of the speaker’s voice.
マイクは話者の声を増幅する。
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 noun /ɔːˈdæs.ə.ti/

audacity

大胆さ
Meaning
The willingness to take bold risks; boldness or fearlessness.
Example
His audacity to question authority was admirable.
権威に異議を唱える彼の大胆さは賞賛に値した。
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。
C1 adjective /əˈfɜːrmətɪv/

affirmative

肯定的
Meaning
expressing agreement, approval, or a positive response
Example
She gave an affirmative answer to the proposal.
彼女は提案に対して肯定的な回答をしました。
C1 adjective /ˌeɪˈmɔːrəl/

amoral

アモラル
Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
小説の登場人物は完全にアモラルとして描かれた。
C1 verb /ˈæmpjʊteɪt/

amputate

切断する
Meaning
to cut off a limb from the body by surgery
Example
The doctors had to amputate his leg after the accident.
事故の後、医師は彼の足を切断しなければなりませんでした。
C1 adjective ˌæd.vɚˈser.i.əl

adversarial

対立的な
Meaning
Involving or characterized by conflict or opposition.
Example
The two companies have an adversarial relationship in the market.
その二つの会社は市場で対立的な関係を持っている。
C1 noun ˈæf.lu.əns

affluence

富裕
Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
彼の富は世界中を旅することを可能にしました。
C1 noun ˈælərdʒən

allergen

アレルギー反応を引き起こす物質
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
花粉は多くの人々に影響を与える一般的なアレルゲンです。
C1 noun /əˈbændənmənt/

abandonment

見捨て
Meaning
the act of leaving someone or something behind completely; the state of being deserted
Example
The child suffered deep emotional pain because of abandonment.
その子供は見捨てられたことで深い感情的な痛みを受けた。
C1 noun /əˈpærəl/

apparel

衣服
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
その店は結婚式の衣服を専門に扱っています。
C1 verb /ˈæn.ɛks/

annex

併合する
Meaning
To take control of a territory and add it to one's own.
Example
The empire annexed the neighboring kingdom after the war.
帝国は戦争後、隣国を併合した。
C1 adjective /ɑːrˈkeɪɪk/

archaic

Meaning
very old or old-fashioned; belonging to an earlier time
Example
Some laws are considered archaic and no longer relevant.
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。
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。
C1 noun /ˌæfəˈdeɪvɪt/

affidavit

宣誓供述書
Meaning
a written statement confirmed by oath or affirmation, used as evidence in court
Example
The witness submitted an affidavit to the court.
証人は裁判所にアフィダビットを提出しました。
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 /ˈɑːrməri/

armory

武器庫
Meaning
A place where weapons are stored; a supply of resources or skills.
Example
The soldiers kept their weapons in the armory.
兵士たちは武器を武器庫に保管していた。
C1 noun /əˈpɒsəl/

apostle

使徒, 擁護者
Meaning
A vigorous and pioneering advocate or supporter of a particular cause, often used for the early Christian disciples.
Example
He became an apostle of environmental protection.
彼は環境保護の使徒となった。
C1 noun /ˈeɪ.nəs/

Anus

肛門
Meaning
the opening at the end of the digestive tract through which waste leaves the body
Example
The doctor examined the patient's anus during the medical checkup.
医者は診察中に患者の肛門を調べました。
C1 noun əˈniː.mi.ə

anemia

貧血
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
遺伝子治療は貧血を効果的に治療します。
C1 noun /əˈbreɪʒən/

abrasion

摩擦による皮膚または表面の擦り傷または摩耗
Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
彼は転倒後、膝に軽い擦り傷を負いました。
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。
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 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。
C1 noun /əˈkʌmplɪs/

accomplice

共犯者
Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
泥棒は共犯者と一緒に逮捕されました。
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。
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。
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

腹部の
Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
彼はひどい腹痛を訴えていました。
C1 verb /əˈpɛnd/

append

追加する
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
彼女は報告書の最後にメモを追加することに決めました。
C1 adjective /ˌærɪˈstɒkrætɪk/

Aristocratic

アリストクラティック; 上流階級の
Meaning
noble; having the manners of the upper class
Example
She had an aristocratic bearing that commanded respect.
彼女はアリストクラティックな態度を持っていて、尊敬を集めていた。
C1 adverb /əˈlɜːrtli/

alertly

注意深く
Meaning
in a watchful, attentive, and quick-to-notice manner
Example
She listened alertly to every sound in the dark forest.
彼女は暗い森であらゆる音を注意深く聞いていた。
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。
C1 verb /ədˈmɪnɪstreɪt/

administrate

管理する
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
委員会はすべての部門で新しい方針を管理する。
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。
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

アルゴリズムによって駆動される。
Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
アルゴリズム駆動システムは精度を向上させる。
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 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。
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。
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 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。
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 /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。
C1 adjective /ədˈmɪsəbl/

admissible

Meaning
acceptable or valid, especially as evidence in a court of law
Example
The judge ruled that the document was admissible as evidence.
C1 verb /əˈbɔːrt/

abort

中止する；中絶する
Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
悪天候のため、パイロットは任務を中止した。
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

表現
Meaning
The action of putting into words an idea or feeling of a specified type.
Example
His articulation during the debate impressed everyone.
討論中の彼の表現は、皆を感動させました。
C1 noun /ˈæpəθi/

apathy

無関心
Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
学生たちは新しいルールに無関心を示しました。
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。
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

大胆
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
彼の大胆な計画は、適切な装備なしで山を登ろうとすることで、全員を驚かせた。
C1 noun /ˌænɛkˈseɪʃən/

annexation

併合
Meaning
the act of adding or taking control of territory or property, especially by a state
Example
The annexation of the region led to international condemnation.
その地域の併合は国際的な非難を招いた。
C1 noun /ˈædʒʌŋkt/

adjunct

補助的
Meaning
a thing added to something else as a supplementary part
Example
The professor worked as an adjunct at the university.
教授は大学で補助的な役職で働いていました。
C1 noun /ˌæktʃuˈæləti/

actuality

現実
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
その映画は歴史的な現実に基づいています。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
C1 verb /əˈpreɪz/

appraise

評価する
Meaning
to evaluate the value, quality, or importance of something
Example
The jeweler appraised the diamond before buying it.
宝石商はダイヤモンドを購入する前に評価しました。
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 adjective /ˈækʃənəbl̩/

actionable

実行可能な
Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
弁護士は証拠が法廷で実行可能であることを確認しました。
C1 noun /əˈsɛnʃən/

ascension

昇進
Meaning
The act of rising or going up, often to an important position or a higher place.
Example
His rapid ascension in the company surprised everyone.
会社での彼の急速な昇進は、皆を驚かせた。
C1 noun 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 verb /əˈsæsɪneɪt/

assassinate

暗殺
Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
反乱者たちは王を暗殺する計画を立てた。
C1 verb /əbˈdʌkt/

abduct

誘拐する
Meaning
to take someone away illegally by force or deception
Example
The criminal tried to abduct the child in broad daylight.
犯人は白昼にその子供を誘拐しようとした。
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。
C1 adjective /ˌæbəˈrɪdʒənəl/

aboriginal

先住民
Meaning
Relating to the original inhabitants of a region.
Example
The museum has a large collection of aboriginal art.
博物館には先住民のアートの大きなコレクションがあります。
C1 noun /ˈɑːrmfʊl/

armful

腕いっぱい
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
彼女は図書館に腕いっぱいの本を持っていった。
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。
C1 noun əˈɡrɛriən səˈsaɪətiz

agrarian societies

農業社会
Meaning
Societies based on agriculture and farming as the primary economic activity.
Example
Agrarian societies emerged from a need for stable food sources.
農業社会は安定した食料源の必要性から生まれました。
C1 adjective /ɔːˌθɒr.ɪˈteə.ri.ən/

authoritarian

権威主義者
Meaning
Demanding absolute obedience to authority; excessively controlling or strict in governance.
Example
Authoritarian parenting often limits a child's independence.
権威主義的な育児は、しばしば子供の独立性を制限します。
C1 adverb /əˈnjuː/

anew

新たに
Meaning
In a new or different way; once more.
Example
After the failure, she decided to start her life anew.
失敗後、彼女は新たに人生を始めることを決意した。
C1 noun /əˈdʒɪl.ɪ.ti/

agility

敏捷性
Meaning
Ability to work quickly and easily, both physically and mentally.
Example
Mental agility is essential for problem-solving.
問題解決には精神的な敏捷性が必要です。
C1 noun /ˈænvɪl/

anvil

鉄製の金床
Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
鍛冶屋は熱い鉄をアンヴィルに置きました。