aridity
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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 noun /ænˈtɪθəsɪs/

antithesis

アンチテーゼ
Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
愛は憎しみのアンチテーゼです。
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 /ˌænəsˈθetɪk/

anesthetic

麻酔薬
Meaning
A substance that causes loss of sensation or consciousness, especially used during surgery.
Example
The doctor administered a local anesthetic before stitching the wound.
医者は傷を縫う前に局所麻酔を施しました。
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。
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 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 /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 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 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。
C1 noun /ˈɑː.kɪ.taɪp/

archetype

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

abyss

深淵
Meaning
a deep, immeasurable space, chasm, or void; something seemingly without end
Example
The climbers looked down into the dark abyss below.
登山者たちは下の暗い深淵を見下ろしました。
C1 noun /əˈrɪəz/

arrears

未払い
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
彼女は電気代の未払いが数ヶ月遅れていた。
C1 noun /əˌsaɪˈniː/

assignee

受領者
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
契約のアサイニーはすべての将来の義務に責任を負います。
C1 verb /əˈdʒɔɪn/

adjoin

隣接する
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
彼らの家は公園に隣接しています。
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 /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 adjective ˈeɪlɪəneɪtɪd

alienated

疎外された
Meaning
Feeling isolated or estranged; disconnected from others or society.
Example
Alienated students are more prone to delinquency.
疎外された学生は、犯罪に走りがちです。
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 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 /ˌæl.truˈɪs.tɪk/

altruistic

利他的な
Meaning
Showing a disinterested and selfless concern for the well-being of others.
Example
Her altruistic nature led her to volunteer for charities.
彼女の利他的な性格は、チャリティー活動のボランティアをするよう促した。
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 /əˈkwɪtl/

acquittal

Meaning
a judgment that a person is not guilty of the crime with which they have been charged
Example
The acquittal of the accused shocked the public.
C1 adjective /əˈnɒmələs/

anomalous

異常
Meaning
deviating from what is standard, normal, or expected
Example
Scientists observed an anomalous result during the experiment.
科学者たちは実験中に異常な結果を観察しました。
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 adjective /əˈtrəʊ.ʃəs/

Atrocious

ひどい; 極端に悪いまたは不快な
Meaning
horrifyingly wicked; extremely bad or unpleasant
Example
The conditions in the prison were atrocious.
刑務所の状態はひどかった。
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 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 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 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 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。
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 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 /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。
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 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 adjective /ˈɔːdəˌtɔːri/

auditory

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

arable

耕作可能
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
農家は作物を拡大するために耕作可能な土地を購入しました。
C1 adjective /əˈrɛstɪŋ/

arresting

魅力的な
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
女優は魅力的な演技をしました。
C1 adjective /ˈeɪmləs/

Aimless

無目的; 目標なし
Meaning
without purpose or direction; lacking a goal
Example
He wandered around the city in an aimless manner.
彼は無目的に街を歩いていた。
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 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 adjective /əˈdɛpt/

adept

熟練
Meaning
Very skilled or proficient at something.
Example
She is adept at solving complex mathematical problems.
彼女は複雑な数学の問題を解決するのが得意です。
C1 verb /əbˈzɒlv/

absolve

解放する
Meaning
to free someone from blame, guilt, or responsibility; to pardon
Example
The priest absolved him of his sins.
牧師は彼を罪から解放した。
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。
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 adjective /ˌæl.ɡəˈrɪð.mɪk/

algorithmic

アルゴリズムに基づく
Meaning
Based on or using algorithms; relating to mathematical rules or procedures.
Example
Algorithmic processes power artificial intelligence systems.
アルゴリズミックなプロセスは人工知能システムを動かします。
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 noun /ˈɔːnɪŋ/

awning

オーニング
Meaning
a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain
Example
We sat under the awning to avoid the heavy rain.
私たちは大雨を避けるためにオーニングの下に座っていました。
C1 verb /əˈflɪkt/

afflict

苦しめる
Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
多くの人々が季節性アレルギーに悩まされています。
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 verb /əˈkwɪt/

acquit

無罪を言い渡す
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
陪審員は被告をすべての告発から無罪にすると決定しました。
C1 noun /əˈbændənmənt/

abandonment

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

Amiably

友好的に, 親切に
Meaning
in a friendly and pleasant manner
Example
They discussed the issue amiably without any arguments.
彼らは議論を交わすことなく、友好的にその問題を話し合った。
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 adverb /ˈæm.ɪ.kə.bli/

Amicably

友好的に
Meaning
in a friendly way without anger or resentment
Example
The divorce was settled amicably between both parties.
離婚は両者の間で友好的に解決されました。
C1 noun /ədˈhɪərənt/

adherent

支持者
Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
彼は民主的な価値観の強力な支持者です。
C1 adjective /ɔːˈtɒn.ə.məs/

autonomous

自律
Meaning
Acting independently or having the freedom to do so.
Example
Autonomous systems ensure greater precision.
自律システムはより高い精度を確保します。
C1 noun /ˈæmpɛər/

ampere

アンペア
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
ワイヤーを流れる電流はアンペアで測定されます。
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 /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 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 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 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 /ˌæŋɡloʊ ˈsæksən/

anglo-saxon

Meaning
A member of the Germanic peoples who settled in England in the early Middle Ages; also relating to their language or culture.
Example
The Anglo-Saxon period greatly influenced English culture and language.
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 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 /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 /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 /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 /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 /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 /əˈlɜːrtnəs/

alertness

警戒心
Meaning
the state of being mentally aware and quick to notice or respond; vigilance
Example
The driver maintained a high level of alertness during the long journey.
運転手は長い旅の間、高い警戒心を保った。
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 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, adjective /ˌæntiˈsɛptɪk/

antiseptic

Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
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 /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。
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 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 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 /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 /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 /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。
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 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 noun /əˈkʌmpənɪmənt/

accompaniment

伴奏
Meaning
Something that goes together with or complements another thing, often music or food.
Example
The dish was served with a spicy sauce as an accompaniment.
その料理はスパイシーなソースを添えて提供されました。
C1 noun /ˌædʒ.ɪˈteɪ.ʃən/

agitation

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

ambush

待ち伏せする
Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
兵士たちは夜明けに敵を待ち伏せする計画を立てた。
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 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。
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 /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 verb /əˈliː.vi.eɪt/

alleviate

軽減するまたは和らげる
Meaning
To make suffering, deficiency, or a problem less severe; to relieve or ease.
Example
Meditation can alleviate stress and improve focus.
瞑想はストレスを軽減し、集中力を高めることができます。
C1 noun /əˈsɛsər/

assessor

評価者
Meaning
a person who evaluates or estimates the nature, ability, or quality of something
Example
An external assessor reviewed the project report.
外部の評価者がプロジェクトの報告書を確認しました。
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

美的な
Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
建築家は建物の美的なバランスに注目した。
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 /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 /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 /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 /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 /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 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 /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 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 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。
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 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, verb /ˈɔːtɒpsi/

autopsy

検死
Meaning
a post-mortem examination to discover the cause of death or the extent of disease
Example
The autopsy revealed that the victim had died from poisoning.
検死は、犠牲者が中毒で亡くなったことを明らかにしました。
C1 noun /ˈævətɑːr/

avatar

アバター
Meaning
an icon or figure representing a person in digital contexts; in Hinduism, a divine incarnation
Example
She changed her social media avatar to a new cartoon image.
彼女はソーシャルメディアのアバターを新しいカートゥーン画像に変更しました。
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 /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 /ˌæntiˈsleɪvəri/

antislavery

奴隷制度反対
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
奴隷制度反対運動は19世紀に勢いを増した。
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 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 /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 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。
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 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 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。