Amiable
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C1 adjective /ˈeɪ.mi.ə.bəl/

Amiable

親しみやすくて快適; 良い性格の; 親切
Meaning
friendly and pleasant; good-natured; kind
Example
My neighbor is very amiable and always greets everyone warmly.
私の隣人はとても親しみやすく、いつも暖かく挨拶をします。
C1 noun /ˈæmfɪˌθiətər/

amphitheater

円形劇場
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
コンサートは古代の円形劇場で行われました。
C1 noun /ˌɑːrtʃˈbɪʃəp/

archbishop

大司教
Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
アーチビショップは何千人もの人々に説教をしました。
C1 noun /ˌænθrəˈpɒlədʒɪst/

anthropologist

人類学者
Meaning
a person who studies human societies, cultures, and their development
Example
The anthropologist spent years studying the tribal community.
人類学者は部族コミュニティを研究するのに何年も費やしました。
C1 verb /ɔːˈθɛntɪkeɪt/

authenticate

認証する
Meaning
To prove or show that something is genuine or true.
Example
The bank uses advanced technology to authenticate online transactions.
銀行はオンライン取引を認証するために高度な技術を使用しています。
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 noun /ˈæbət/

abbot

修道院長
Meaning
The head of a monastery for monks.
Example
The abbot welcomed the visitors to the monastery.
アボットは修道院に訪れた訪問者を歓迎しました。
C1 noun /əˈstrɑː.lə.dʒər/

Astrologer

占星術師
Meaning
a person who studies astrology and makes predictions based on the positions of stars and planets
Example
The astrologer predicted good fortune in her future.
その占星術師は、彼女の未来に良い運命があると予測しました。
C1 noun /ˈækwɪˌdʌkt/

aqueduct

水道橋
Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
ローマ人は都市に水を供給するために水道橋を建設しました。
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。
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。
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 /ɑːrˈkeɪɪk/

archaic

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

attuned

敏感な / 調和のとれた
Meaning
Being receptive or sensitive to something; well adjusted or in harmony.
Example
She is attuned to the needs of her students.
彼女は学生のニーズに敏感です。
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。
C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

司法長官
Meaning
The chief legal officer of a state or country.
Example
The attorney-general announced new reforms to strengthen justice.
司法長官は司法の強化のための新しい改革を発表しました。
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 /ˈæv.ɪd/

avid

熱心な
Meaning
having an eager desire or enthusiasm for something
Example
She is an avid reader of mystery novels.
彼女はミステリー小説の熱心な読者です。
C1 noun /ˈædɪdʒ/

adage

格言
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
古い格言は、正直は最良の政策だと言っています。
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 noun /ɑːrˈmɑːdə/

armada

戦艦艦隊
Meaning
A large fleet of warships.
Example
The Spanish Armada sailed against England in 1588.
スペインのアルマダは1588年にイギリスに対して出航した。
C1 noun /ˈæd.və.ser.i/

adversary

対戦相手
Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
ボクサーはリングで強い対戦相手に立ち向かった。
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 adjective ˌæv.ɒ̃ˈɡɑːd

avant-garde

前衛的
Meaning
New and experimental; characterized by departure from or rejection of accepted standards.
Example
Avant-garde designs redefine the dining experience.
アヴァン・ガルドデザインはダイニング体験を再定義します。
C1 noun əˈtrɪʃ.ən

attrition

減耗
Meaning
The process of reducing something's strength or effectiveness through sustained attack or pressure.
Example
The company faced high employee attrition due to job dissatisfaction.
会社は仕事への不満により従業員の高い離職率に直面した。
C1 verb /ˌæprɪˈhɛnd/

apprehend

逮捕する
Meaning
to arrest or seize someone; to understand or perceive something
Example
The police managed to apprehend the thief after a long chase.
警察は長い追跡の後、泥棒を捕まえることに成功した。
C1 noun /əˈsɪdɪti/

acidity

酸性度
Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
土壌の酸性度は作物の成長に影響する。
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 /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 ˌæprɪˈhɛnʃən

apprehension

不安
Meaning
Anxiety or fear that something bad or unpleasant will happen.
Example
There is an apprehension about the depletion of fish stocks.
魚のストックの減少についての不安があります。
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 /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 /ˈælɪbaɪ/

alibi

アリバイ
Meaning
A claim or piece of evidence that one was elsewhere when an act, typically a crime, was committed.
Example
She had a strong alibi that proved she was at the cinema during the theft.
彼女は盗難の際に映画館にいたことを証明する強力なアリバイを持っていました。
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 /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 /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 adjective /əˈɡrɛəriən/

agrarian

農業的
Meaning
Related to farming, agriculture, or rural land.
Example
The country’s economy is still largely agrarian.
その国の経済はまだ主に農業的です。
C1 noun /ˈeɪ.peks/

apex

頂点, apex
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
彼は自分のキャリアの頂点に達した。
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 noun /ˌɔːkʃəˈnɪər/

auctioneer

競売人
Meaning
a person who conducts auctions by calling out bids and selling items to the highest bidder
Example
The auctioneer quickly raised the price as bidders competed for the painting.
競売人は入札が進む中で素早く価格を上げた。
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

アンチクライマックス
Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
映画の終わりは、そんなにエキサイティングなストーリーの後のアンチクライマックスでした。
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 /ˈæb.stɪ.nəns/

abstinence

禁欲、節制
Meaning
the practice of restraining oneself from indulging in something, typically alcohol or sex
Example
His doctor advised abstinence from alcohol for better health.
彼の医者は健康のためにアルコールを控えるように助言しました。
C1 adjective /ˈɔːdəˌtɔːri/

auditory

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

authoritative

権威的な
Meaning
Having or showing authority; commanding and self-confident; reliable as a source of information.
Example
She spoke in an authoritative tone that silenced the room.
彼女は権威的な口調で話し、部屋を静かにさせた。
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。
C1 noun ˌɔːɡ.menˈteɪ.ʃən

augmentation

増加または拡張
Meaning
Increasing quantity, power or performance.
Example
The company invested in the augmentation of its workforce.
その会社は労働力の増強に投資しました。
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 /ˌæn.ɪˈmɒs.ə.ti/

Animosity

敵意; 憎しみ
Meaning
strong hostility or dislike; active hatred or ill will
Example
There was clear animosity between the two rival teams.
二つのライバルチーム間には明確な敵意がありました。
C1 noun /əˈtoʊnmənt/

atonement

贖罪
Meaning
the act of making amends for a wrong, sin, or injury
Example
The festival was celebrated as a day of atonement.
その祭りは贖罪の日として祝われました。
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 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 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 /ɔːˈrɔːrə/

aurora

オーロラ
Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
私たちはノルウェーに行き、北極のオーロラを見ました。
C1 adjective/adverb /əˈmɪs/

amiss

間違った
Meaning
Not quite right; inappropriate or out of place.
Example
Something seems amiss with the car's engine.
車のエンジンに何か間違ったことがあるようです。
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 adjective əsˈtjuːt

astute

鋭いまたは抜け目のない
Meaning
Having or showing an ability to accurately assess situations or people and turn this to one's advantage.
Example
His astute observations helped solve the complex problem.
彼の鋭い観察が複雑な問題を解決するのに役立った。
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

非典型
Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
医者はそれが病気の非典型的なケースだと言いました。
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 ˌæp.əˈreɪ.təs

apparatus

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

aural

聴覚の
Meaning
Relating to the ear or the sense of hearing.
Example
The lecture was an aural experience as well as an intellectual one.
講義は聴覚的な体験であり、知的な体験でもありました。
C1 verb /əˈdɔːrn/

adorn

飾る
Meaning
to decorate or add beauty to something
Example
The hall was adorned with flowers for the wedding.
結婚式のためにホールは花で飾られました。
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 əˈtrɒs.ɪ.tiz

atrocities

残虐行為
Meaning
Extremely wicked or cruel acts, typically involving physical violence or injury.
Example
The atrocities shocked the international community.
その残虐行為は国際社会を震撼させた。
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。
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 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。
C1 adjective /ˈɑːrɡjuəbl/

arguable

議論の余地がある
Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
テクノロジーが私たちの生活の質を向上させたと言うのは議論の余地がある。
C1 noun /ˈælɪɡəri/

allegory

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

analgesic

鎮痛剤
Meaning
A drug or substance that relieves pain.
Example
She took an analgesic to ease her headache.
彼女は頭痛を和らげるために鎮痛剤を飲みました。
C1 verb /əˈpiːz/

appease

なだめる / 満たす
Meaning
to calm or pacify someone by meeting their demands
Example
The manager tried to appease the angry customer.
マネージャーは怒っている顧客をなだめようとしました。
C1 noun /ˈæltoʊ/

alto

アルト (成人の歌声)
Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
彼女は合唱団でアルトパートを美しく歌いました。
C1 adverb /əˈraɪ/

awry

失敗
Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
天気が突然変わったとき、計画は失敗した。
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 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 əˈnaɪ.ə.leɪt

annihilate

完全に破壊する
Meaning
Destroy utterly; obliterate; reduce to nothing.
Example
The explosion annihilated the entire village.
爆発は村全体をアニヒレートしました。
C1 adjective /ˈæm.ɪ.kə.bəl/

amicable

友好的
Meaning
Having a spirit of friendliness; without serious disagreement or rancor.
Example
They reached an amicable agreement.
彼らは友好的な合意に達しました。
C1 verb /əˈtjuːn/

attune

順応させる
Meaning
to make someone or something aware of or responsive to something; to adjust or harmonize
Example
She quickly attuned herself to the needs of her new team.
彼女は新しいチームのニーズにすぐ順応した。
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

扶養費
Meaning
financial support that a person is ordered by a court to give to their spouse after separation or divorce
Example
He was ordered by the court to pay monthly alimony to his ex-wife.
裁判所は彼に元妻に毎月の扶養費を支払うよう命じた。
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 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 /əˌlɪtəˈreɪʃən/

alliteration

頭韻
Meaning
the occurrence of the same consonant sound at the beginning of words in close succession
Example
She used alliteration in her poem to add musicality.
彼女は詩の中で音楽性を加えるためにアリテレーションを使用しました。
C1 noun /ˈæntɪˌdoʊt/

antidote

解毒剤
Meaning
A substance that neutralizes the effects of a poison; something that relieves or counteracts.
Example
The doctor quickly administered an antidote to the snake venom.
医者は素早く蛇の毒に解毒剤を投与した。
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。
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 /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 adverb /əˈbrɛst/

abreast

並んで
Meaning
side by side and facing the same direction; informed about something
Example
The soldiers marched two abreast down the street.
兵士たちは通りを二人並んで行進した。
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 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 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 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 /əˈsɪm.ɪ.leɪt/

assimilate

完全に理解し吸収する; 知識や文化に統合する
Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
移民はしばしば新しい文化に適応するのに苦労しています。
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。
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 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 noun /ˈælkoʊv/

alcove

アルコーブ
Meaning
A small recessed section of a room or a nook.
Example
She placed a reading chair in the alcove near the window.
彼女は窓の近くのアルコーブに読書用の椅子を置きました。
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。
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 æmˈbɪvələns

ambivalence

両義性
Meaning
Having mixed feelings or contradictory ideas about something; uncertainty or confusion.
Example
She felt ambivalence about taking the job offer.
彼女は仕事のオファーを受け入れる際に両義性を感じていた。
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。
C1 noun /ˌædəˈreɪʃən/

adoration

崇拝 / 深い愛
Meaning
deep love and respect; worship
Example
The fans showed their adoration for the singer.
ファンは歌手に対して自分の愛情を示した。
C1 verb /ˈæk.lɪ.meɪt/

acclimate

順応する
Meaning
To adapt or become accustomed to a new environment or situation
Example
It takes time to acclimate to a new climate.
新しい気候に順応するには時間がかかります。
C1 verb /ˈæɡənaɪz/

agonize

苦しむ
Meaning
To suffer extreme physical or mental pain; to spend time worrying.
Example
She agonized for days over whether she had made the right decision.
彼女は自分が正しい決断を下したかどうかを何日も悩んでいました。
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 ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

農業に関連する重要な
Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
冬は作物生産にとって農業に関連する重要な時期です。
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 verb /əˈtoʊn/

atone

償う
Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
彼は他の人を助けることで自分の過ちを償おうとした。
C1 noun /əˌsæsɪˈneɪʃən/

assassination

暗殺
Meaning
The act of killing someone important, often for political or ideological reasons.
Example
The assassination of the president shocked the nation.
大統領の暗殺は国全体を驚かせた。
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 /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 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。
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。