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C2 adjective /ænˈdrɒdʒɪnəs/

androgynous

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

abridgment

要約版
Meaning
A shortened version of a larger work, such as a book or speech.
Example
The publisher released an abridgment of the lengthy novel for students.
出版社は学生のために長編小説の要約版を公開しました。
C2 noun /ˈɔːriˌoʊl/

aureole

オーラ
Meaning
A halo or radiance surrounding the head or body, often in religious art.
Example
The painting showed the saint with an aureole around his head.
その絵は、聖人が頭の周りにオーラを持っているのを示していました。
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。
C2 noun /ˌæs.əˈfet.ɪ.də/

Asafoetida

アサフェティダ
Meaning
a pungent spice derived from the resin of a plant, commonly used in Indian cooking
Example
A pinch of asafoetida adds a distinctive flavor to the lentil curry.
アサフェティダを少し加えると、レンズ豆カレーに独特の風味が加わります。
C2 noun /əˈrɪə/

arrear

未払い
Meaning
A debt or payment that is overdue and unpaid.
Example
He was sued for an arrear of rent.
彼は家賃の未払いで訴えられました。
C2 verb /ˌæntɪˈsiːd/

antecede

前に来る
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
短い紹介は通常、本文の前に来ます。
C2 adjective /ˌæk.si.əˈmæt.ɪk/

axiomatic

自明の，証明の必要のない明らかな真実
Meaning
Self-evident, obviously true without need for proof
Example
It is axiomatic that hard work leads to success.
一生懸命働くことは自明であり、成功につながります。
C2 noun /ˈævərɪs/

avarice

強欲
Meaning
extreme greed for wealth or material gain
Example
His avarice led him to exploit his workers.
彼の強欲は彼を労働者を搾取することに導いた。
C2 verb /əˈpraɪz/

apprise

知らせる
Meaning
to inform or notify someone
Example
The manager will apprise the staff of the new policies.
マネージャーはスタッフに新しい方針について知らせます。
C2 verb /əˈsweɪdʒ/

assuage

和らげる
Meaning
To make an unpleasant feeling less intense; to ease or relieve.
Example
The kind words helped assuage her anxiety.
優しい言葉が彼女の不安を和らげるのに役立ちました。
C2 adjective /ˌæn.θrə.pəˈdʒen.ɪk/

anthropogenic

人為的
Meaning
Originating in human activity; caused by humans.
Example
Climate change is largely due to anthropogenic activities.
気候変動は主に人為的な活動によるものです。
C2 verb /əˈbæʃ/

abash

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

askew

傾いている
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
壁の絵は少し傾いていた。
C2 noun /əˈreɪ.bi.ən ˈdʒæz.mɪn/

Arabian Jasmine

アラビアジャスミン
Meaning
A fragrant white flower native to South and Southeast Asia, commonly used in perfumes and religious ceremonies
Example
The Arabian jasmine filled the garden with its sweet fragrance.
アラビアジャスミンはその甘い香りで庭を満たしました。
C2 noun /ˈɑːrbɪtər/

arbiter

仲裁者
Meaning
a person who has the authority to settle a dispute or decide an issue
Example
The principal acted as the arbiter in the conflict between the students.
校長は生徒間の対立で仲裁者として行動した。
C2 verb /əˈfaɪəns/

affiance

婚約する
Meaning
to promise or pledge marriage; to formally engage
Example
They decided to affiance after years of friendship.
長年の友情の後、彼らは婚約することを決めた。
C2 adverb /əˈskæns/

askance

疑いの目で
Meaning
With suspicion, mistrust, or disapproval.
Example
She looked askance at his unusual proposal.
彼女は彼の異常な提案を疑いの目で見た。
C2 adverb /əˈmʌk/

amok

制御不能
Meaning
Behaving uncontrollably and disruptively.
Example
The angry mob ran amok after the verdict was announced.
怒った群衆は判決が発表された後、制御不能で走り回った。
C2 noun /ˈɔːspɪs/

auspice

兆し, 保護
Meaning
A sign, omen, or divine token; also refers to protection or support.
Example
The project was launched under the auspice of the government.
そのプロジェクトは政府の保護のもとで開始されました。
C2 noun /əˈspær.ə.ɡəs biːn/

Asparagus bean

アスパラガス豆
Meaning
a long, thin green vegetable pod that grows on vines; also known as yard-long bean
Example
The asparagus bean grows up to three feet long and is commonly used in Asian cooking.
アスパラガス豆は最大で三フィートの長さになり、アジア料理で一般的に使用されます。
C2 verb /əkˈsiːd/

accede

同意する
Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
政府はついに抗議者の要求に応じた。
C2 adjective /ˌæd.vɛnˈtɪʃ.əs/

adventitious

偶発的
Meaning
Happening by chance or accident, not planned.
Example
His success was partly due to adventitious circumstances.
彼の成功は偶発的な状況による部分があった。
C2 noun /ˌædʒʊˈreɪʃən/

adjuration

厳粛なお願い
Meaning
a solemn urging or appeal
Example
The priest made an adjuration for peace and unity.
神父は平和と団結のために厳粛なお願いをしました。
C2 verb /ˈɔːltərˌkeɪt/

altercate

議論する
Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
隣人たちは境界の壁について議論し始めました。
C2 noun ˌæɡ.roʊˈiː.koʊˌsɪs.təm

agroecosystem

農業生態系
Meaning
An ecological system centered on agricultural activities and processes.
Example
A healthy agroecosystem improves soil fertility.
健康な農業生態系は土壌の肥沃度を改善します。
C2 noun /ˈɛərəˌstæt/

aerostat

エアロスタット
Meaning
A lighter-than-air craft, such as a balloon, that is lifted by gas.
Example
The military used an aerostat for surveillance over the border.
軍隊は国境監視のためにエアロスタットを使用しました。
C2 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
C2 adjective /əˈbɑː.mə.nə.bəl/

abominable

忌まわしい
Meaning
causing moral revulsion; extremely unpleasant
Example
The prisoners were kept in abominable conditions.
囚人たちは忌まわしい状況で拘束されていた。
C2 noun ˌæm.ɔː.tɪˈzeɪ.ʃən

amortization

償却
Meaning
The process of paying off debt with regular payments over time.
Example
The amortization schedule showed a 10-year repayment plan.
アモチゼーションスケジュールは10年間の返済計画を示しました。
C2 verb /əˈɡriːv/

aggrieve

傷つける
Meaning
to cause distress or make someone feel resentful
Example
She felt aggrieved by the unfair decision.
彼女は不公平な決定に心を痛めていた。
C2 noun /ænˈtɪpəθi/

antipathy

アンチパシー
Meaning
a deep-seated feeling of dislike or aversion toward something or someone
Example
There was a mutual antipathy between the two rival companies.
二つの競争する企業の間に相互のアンチパシーがありました。
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。
C2 noun /əˈsɜːrbəti/

acerbity

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

apothecary

薬剤師
Meaning
A historical term for a person who prepared and sold medicines and drugs.
Example
The village apothecary provided remedies for many common illnesses.
村のアポセカリーは多くの一般的な病気に対する治療法を提供しました。
C2 verb /əˈleɪ/

allay

和らげる
Meaning
to reduce the intensity of fear, worry, or pain; to calm
Example
The teacher tried to allay the students’ fears before the exam.
教師は試験前に生徒たちの恐怖を和らげようとしました。
C2 noun /əˈdɛndəm/

addendum

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

americanism

Meaning
A word, phrase, or practice characteristic of American English or culture.
Example
The term 'sidewalk' is an Americanism, while 'pavement' is used in British English.
C2 noun /əˈnækrəˌnɪzəm/

anachronism

Meaning
something that is out of its proper time period, especially something old-fashioned in a modern context
Example
Using a typewriter today feels like an anachronism.
C2 noun /ˌæbsəˈluːʃən/

absolution

免罪
Meaning
formal release from guilt, obligation, or punishment
Example
The priest granted him absolution for his sins.
神父は彼の罪を許しを与えました。
C2 verb əˈtɛn.ju.eɪt

attenuate

和らげる
Meaning
To reduce the force, effect, or value of something; to make weak or thin.
Example
The medicine helps attenuate the pain.
その薬は痛みを和らげるのに役立ちます。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鳥小屋
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
動物園はエキゾチックなオウムのために新しい鳥小屋を作った。
C2 noun /ˈɔːldərmən/

alderman

市議会議員
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
オールダーマンはコミュニティパークの新しい計画を提案しました。
C2 noun /ˈæpəˌlɔːɡ/

apologue

道徳的な物語
Meaning
a short moral story or fable intended to teach a lesson
Example
The teacher used an old apologue to explain honesty to the children.
教師は、子供たちに誠実さを説明するために古い道徳的な物語を使いました。
C2 verb /ˈæd.ʌm.breɪt/

adumbrate

予示する
Meaning
to foreshadow or suggest something in an unclear or indirect way
Example
The report adumbrates future economic challenges.
レポートは未来の経済的な課題を暗示している。
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。
C2 noun /əˈsper.ɪ.ti/

asperity

Meaning
Harshness of tone, manner, or surface.
Example
She spoke with asperity when she was interrupted.
C2 verb /əˈvaʊ/

avow

公然と宣言する
Meaning
to openly declare or admit something, often publicly and firmly
Example
He avowed his loyalty to the cause without hesitation.
彼はためらうことなく、彼の忠誠心をその活動に公然と誓った。
C2 adjective /ˌɑːrbəˈrɛsənt/

arborescent

樹木のような
Meaning
having the appearance or characteristics of a tree; tree-like
Example
The coral had an arborescent form that resembled a miniature forest.
サンゴは、小さな森に似た樹木のような形をしていた。
C2 verb /əˈkriːt/

accrete

蓄積する
Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
塵の粒子は時間とともに集まって、より大きな天体を形成します。
C2 adjective /əˈdʌltəreɪtɪd/

adulterated

Meaning
describes food, drink, or medicine made weaker or impure by the addition of another substance
Example
Authorities seized adulterated drugs from the warehouse.
C2 adjective /ˌækrəˈmætɪk/

achromatic

無彩色
Meaning
without color; free from color
Example
The designer chose an achromatic palette of black, white, and gray.
デザイナーは黒、白、灰色の無彩色なパレットを選びました。
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 /ˌeɪd də ˈkæmp/

aide-de-camp

上級将校の秘密の補佐役として働く軍人
Meaning
A military officer acting as a confidential assistant to a senior officer.
Example
The general was accompanied by his aide-de-camp during the ceremony.
儀式の間、将軍は自分のエイド・デ・キャンプと共に出席しました。
C2 adjective /ˈæb.ə.rənt/

aberrant

異常
Meaning
deviating from what is normal or expected; abnormal
Example
His aberrant behavior shocked everyone at the meeting.
彼の異常な行動は会議で誰もが驚かせた。
C2 verb /ˌæd ˈlɪb/

ad-lib

即興
Meaning
to speak or perform without preparation; to improvise
Example
The comedian ad-libbed a joke when the microphone failed.
コメディアンはマイクの故障でジョークをアドリブしました。
C2 adjective /ˈæməˌtɔːri/

amatory

愛に関する
Meaning
Relating to or expressing sexual love.
Example
The poet’s verses were filled with amatory themes.
詩人の詩は愛に関するテーマで満たされていました。
C2 noun /ˈɑːrkeɪndʒəl/

archangel

Meaning
A high-ranking angel, often considered a chief messenger or leader among angels.
Example
Michael is often depicted as the most powerful archangel.
C2 noun /ˈɔːrɪkl̩/

auricle

耳の外側部分
Meaning
The external part of the ear; also an upper chamber of the heart in anatomy.
Example
The doctor examined the patient’s auricle for signs of infection.
医師は患者の耳の外側部分に感染の兆候がないか調べました。
C2 adjective /ˈæstrəl/

astral

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

Asian swamp eel

アジアドジョウウナギ
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
アジアドジョウウナギは空気を吸い、浅い泥の水で生き残ることができます。
C2 adjective /ˌæm.bɪˈdɛk.strəs/

ambidextrous

両利き
Meaning
Able to use both hands equally well, or versatile in abilities.
Example
Being ambidextrous can be beneficial in sports.
両利きであることはスポーツで有利です。
C2 noun /ˈænti/

ante

Meaning
a stake put up by a player in poker or similar games before receiving cards; also used figuratively to mean an initial investment or contribution
Example
Each player placed an ante before the game began.
C2 noun /ˈeə.rəm/

Arum

アラム
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
アラムの葉はインディア料理でよく使われます。
C2 noun /ˈɑːrɡoʊ/

argot

専門用語
Meaning
the specialized vocabulary or jargon of a particular group, especially one with a common interest or occupation
Example
The thieves communicated in an argot that outsiders could not understand.
泥棒たちは外部の人々が理解できないアルゴでコミュニケーションを取った。
C2 adjective, adverb /əˈbʌvˌbɔːrd/

aboveboard

正直でオープン
Meaning
Open and honest; without deception or trickery.
Example
The business deal was completely aboveboard.
ビジネス取引は完全に正直でオープンでした。
C2 adjective /eɪˈsɛfələs/

acephalous

Meaning
having no leader or head; headless
Example
The acephalous group soon fell into disorganization.
C2 verb /ˈɔːɡər/

augur

予兆する
Meaning
To be a sign of something to come; to predict or foretell.
Example
Dark clouds augur a coming storm.
暗い雲が来る嵐を予示しています。
C2 noun (plural) /əˈspɜːr.ʒənz/

aspersions

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

aerostatics

エアロスタティクス
Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
エアロスタティクスは、気球がどのように浮かぶかを理解するために不可欠です。
C2 noun /ˈænɪ siːd/

Ani seed

アニス
Meaning
Small aromatic seeds used as a spice and for medicinal purposes, with a sweet licorice-like flavor
Example
Anise seeds are often used in traditional desserts and teas.
アニスの種は伝統的なデザートやお茶にしばしば使われます。
C2 adjective /əˈluːsɪv/

allusive

暗示的
Meaning
Making indirect references or hints; suggestive without being explicit.
Example
The novel is full of allusive passages that point to classical literature.
その小説は古典文学を指し示す暗示的な部分で満ちている。
C2 noun /ˈɑːm.lət/

Armlet

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

amorally

非道徳的に
Meaning
In a way that shows no concern about whether behavior is morally right or wrong.
Example
He acted amorally, ignoring the consequences of his actions.
彼は非道徳的に行動し、自分の行動の結果を無視した。
C2 noun /ˌækwəˈpɒnɪks/

aquaponics

アクアポニックス
Meaning
A system of aquaculture in which the waste produced by farmed fish or other aquatic animals supplies nutrients for plants grown hydroponically.
Example
Aquaponics efficiently utilizes water by integrating fish and plant farming.
アクアポニックスは魚と植物の農業を統合することによって水を効率的に利用します。
C2 verb /əˈbrɪdʒ/

abridge

短縮する
Meaning
to shorten a text without losing its meaning
Example
The editor decided to abridge the long novel for young readers.
編集者は若い読者のために長編小説を短縮することに決めました。
C2 adjective /ˈæn.ə.daɪn/

anodyne

無害な、痛みを和らげる
Meaning
Not likely to cause offense; bland or harmless. Also refers to something that relieves pain.
Example
The speaker’s anodyne remarks avoided controversy.
スピーカーの無害なコメントは論争を避けました。
C2 noun əˌmæl.ɡəˈmeɪ.ʃən

amalgamation

融合, 合併, 統合
Meaning
The action, process, or result of combining or uniting.
Example
The amalgamation of AI and big data is transforming industries.
AIとビッグデータの融合は業界を変革しています。
C2 noun /ˈæl.ɪ.mənt/

aliment

食物
Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
果物と野菜は健康な体のための重要な食物です。
C2 verb /ˌæpərˈteɪn/

appertain

関係する
Meaning
to relate to or be connected with something
Example
The rules only appertain to members of the club.
その規則はクラブのメンバーにのみ関係しています。
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。
C2 noun /ˈɔːldər/

alder

アルダーの木
Meaning
A type of tree from the birch family that typically grows in wet ground and has simple, serrated leaves.
Example
The alder trees grew thick along the riverbank.
アルダーの木は川のほとりに密に成長していました。
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。
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。
C2 noun /ˈɑːrbərɪˌkʌltʃər/

arboriculture

樹木栽培
Meaning
the cultivation and management of trees and shrubs
Example
He studied arboriculture to improve urban green spaces.
彼は都市の緑地を改善するために樹木栽培を学びました。
C2 noun /ˌæriˈviːst/

arriviste

成金
Meaning
A person who has recently gained wealth or status but is considered arrogant or socially unsophisticated.
Example
The business world is full of ambitious arrivistes.
ビジネスの世界には野心的な成金が溢れています。
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

消化に関連する
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
医者は消化管の役割について説明しました。
C2 noun, verb /əˈfrʌnt/

affront

侮辱
Meaning
An action or remark that causes outrage or offense.
Example
He took her criticism as a personal affront.
彼は彼女の批判を個人的な侮辱と受け止めた。
C2 noun /əˈkjuːtnəs/

acuteness

鋭敏さ；深刻さ
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
彼女の鋭敏さは他の人が見逃した細部に気づかせた。
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

不整脈
Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
患者は不整脈を持っていた。
C2 noun /əˈmʊr/

amour

秘密の愛
Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
その小説は、二人の登場人物の間の禁じられたアムールの物語を語っています。
C2 adjective /ˌænθrəpəˈmɔːrfɪk/

anthropomorphic

擬人化
Meaning
attributing human characteristics to non-human things, like animals or objects
Example
The cartoon shows an anthropomorphic cat walking on two legs.
そのアニメでは、二本足で歩く擬人化された猫が登場します。
C2 noun /əˈkriːʃən/

accretion

蓄積
Meaning
The process of growth or increase, typically by the gradual accumulation of additional layers or matter.
Example
The accretion of wealth allowed him to invest in various projects.
財産の蓄積により、彼はさまざまなプロジェクトへの投資を可能にした。
C2 noun /ˈæn.ə.lɪst/

annalist

年表作成者
Meaning
A person who writes annals or records events year by year.
Example
The annalist carefully documented the events of the king's reign.
アナリストは王の統治期間の出来事を慎重に記録しました。
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

樹木に関する
Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
サルは樹上性の動物で、ほとんどの時間を木の上で過ごします。
C2 adjective, noun /ˈænθrəpɔɪd/

anthropoid

人類型
Meaning
Resembling a human being in form; a primate such as apes and monkeys.
Example
The gorilla is considered an anthropoid ape.
ゴリラは人類型の猿と見なされている。
C2 adjective /ˈærənt/

arrant

完全な, 全くの
Meaning
complete or utter (used negatively, e.g., 'arrant nonsense')
Example
His excuse was arrant nonsense.
彼の言い訳は完全なナンセンスだった。
C2 adjective ˌeə.rəʊˈstæt.ɪk

aerostatic

気圧静的な
Meaning
Relating to or involving gases (especially air) in equilibrium and the equilibrium of balloons or aircraft under the influence of such gases.
Example
Aerostatic designs ensure stability at high altitudes.
エアロスタティックデザインは高高度での安定性を確保します。
C2 verb /ˈæntɪkweɪt/

antiquate

時代遅れにする
Meaning
To make something old-fashioned or obsolete.
Example
The rise of digital cameras antiquated traditional film photography.
デジタルカメラの台頭は、従来のフィルム写真を時代遅れにした。
C2 verb /əˈdʒʊər/

adjure

誓約させる
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
証人は法廷で真実を話すように命じられた。
C2 adjective /əˈpɜːrtənənt/

appurtenant

附属
Meaning
Belonging to or associated with something, often used in legal/property contexts.
Example
The right of way is appurtenant to the landowner’s property.
通行権は土地所有者の財産に付随しています。
C2 noun /ˌæpəˈrɪʃən/

apparition

幻影
Meaning
A ghostly figure or an unusual or unexpected appearance.
Example
The children were frightened by the sudden apparition in the old house.
子供たちは古い家で突然現れた幻影に驚きました。
C2 noun /ˈætəmaɪzər/

atomizer

アトマイザー
Meaning
A device that sprays liquid into a fine mist.
Example
She used an atomizer to apply the perfume evenly.
彼女は香水を均等に塗るためにアトマイザーを使いました。
C2 verb /əˈvaʊtʃ/

avouch

主張する
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
彼は裁判官の前で無実を主張しました。
C2 noun /ˈæntɪkwɛri/

antiquary

骨董品商
Meaning
A person who studies, collects, or deals in antiques or ancient objects.
Example
The antiquary spent years collecting rare manuscripts from the medieval period.
アンティクアリーは中世の貴重な手稿を集めるのに何年も費やしました。
C2 adjective /eɪˈsɛptɪk/

aseptic

無菌
Meaning
Free from contamination caused by harmful microorganisms; sterile.
Example
Surgeons must work in an aseptic environment to prevent infection.
外科医は感染を防ぐために無菌環境で作業しなければならない。
C2 noun /əˈkʌmpənɪst/

accompanist

伴奏者
Meaning
A person who plays a musical instrument to support a singer or another musician.
Example
The pianist served as the accompanist for the singer during the concert.
コンサート中にピアニストは歌手の伴奏者として活躍しました。
C2 noun /əˈɡrɒnəmɪst/

agronomist

農学者
Meaning
A scientist who studies soil management and crop production.
Example
The agronomist suggested new methods to improve rice yields.
農学者は、米の収穫量を改善するための新しい方法を提案しました。
C2 adjective /æbˈstruːs/

abstruse

難解
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
哲学的議論の難解な性質は多くの人々を困惑させた。
C2 verb /əˈɡrɛs/

aggress

攻撃する
Meaning
to initiate an attack or show hostile behavior
Example
The army chose not to aggress without provocation.
軍隊は挑発なしに攻撃しないことを決定しました。
C2 adjective /əˈkɪliən/

achillean

アキレス的
Meaning
like or characteristic of Achilles; strong but vulnerable
Example
His achillean pride made him blind to danger.
彼のアキレス的な誇りは彼を危険に対して盲目にした。
C2 noun /ˈæpəˌsteɪt/

apostate

背教者
Meaning
A person who renounces a religious or political belief or principle.
Example
He was labeled an apostate after abandoning the faith of his community.
彼は自分のコミュニティの信仰を捨てた後、背教者と呼ばれた。
C2 noun /əˈnɔɪnt.mənt/

anointment

塗油の儀式
Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
新しいリーダーの塗油の儀式は神聖な儀式でした。
C2 noun /ˈɑːrtləsnəs/

artlessness

素朴さ, 自然さ
Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.
彼女のartlessnessは、彼女をみんなに愛される存在にした。
C2 noun /əˌnʌn.siˈeɪ.ʃən/

annunciation

発表、良い知らせ
Meaning
The announcement of something; in Christianity, the announcement by the angel Gabriel to Mary that she would conceive Jesus.
Example
The church celebrated the Feast of the Annunciation with a special service.
教会は特別なサービスでアナンシエーションの祝祭を祝いました。
C2 noun /əˈpɜːrtənənsɪz/

appurtenances

付属物
Meaning
Additional items or accessories associated with something, often used in a legal or property context.
Example
The house was sold along with all its appurtenances, including the garage and garden.
その家は、ガレージや庭を含むすべての付属物と一緒に売られました。
C2 verb /əˈbɛt/

abet

Meaning
to encourage or assist someone to commit a crime or wrongdoing
Example
He was accused of abetting the criminals in their escape.
C2 verb /ˌænɪmədˈvɜːt/

animadvert

批判する
Meaning
To comment critically or unfavorably.
Example
The teacher animadverted on the student's careless mistakes.
教師は生徒の不注意なミスを批判しました。
C2 noun /ˈɛərəˌnɔːt/

aeronaut

気球乗り
Meaning
A person who travels in an airship, balloon, or other aircraft.
Example
The aeronaut skillfully guided the hot-air balloon across the valley.
気球乗りは巧みに気球を谷を越えて操縦しました。