anachronism
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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 /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 adjective /ˈæpəzɪt/

apposite

適切
Meaning
highly appropriate or relevant to what is being discussed
Example
Her remark was particularly apposite to the situation.
彼女のコメントはその状況に非常に適切でした。
C2 noun /ˈæpəfθɛm/

apophthegm

短くて、機知に富んだ教育的な言葉や格言
Meaning
A short, pithy, and instructive saying or maxim.
Example
She always had a witty apophthegm to share at meetings.
彼女は会議で共有するために、いつも機知に富んだアポフテムを持っていた。
C2 noun əˌten.juˈeɪ.ʃən

attenuation

減衰、減少、弱化
Meaning
The reduction of the force, effect, or value of something.
Example
The attenuation of sound waves affects communication.
音波の減衰はコミュニケーションに影響を与えます。
C2 adjective /ˈæbdʒɛkt/

abject

卑劣
Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
彼らは卑劣な貧困の中で生きていました。
C2 noun /ænˈtɪlədʒi/

antilogy

アンチロジー
Meaning
A contradiction in terms or ideas; inconsistency in speech or writing.
Example
The politician's statement was criticized for its antilogy.
政治家の発言はそのアンチロジーにより批判されました。
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 /ˈæntɪfɒn/

antiphon

アンティフォン
Meaning
a short chant or verse sung responsively in Christian worship, typically sung before or after a psalm or canticle
Example
The choir sang the antiphon before beginning the main hymn.
合唱団は主の賛歌を始める前にアンティフォンを歌いました。
C2 adjective /ˌæntɪˈmʌndeɪn/

antemundane

世界創造前
Meaning
Existing or occurring before the creation of the world.
Example
Some myths speak of an antemundane chaos before order was established.
いくつかの神話では、秩序が確立される前のアンテムンダンの混乱について語られています。
C2 verb /ˈæntɪdeɪtɪd/

antedated

以前の日付
Meaning
assigned to an earlier date than the actual one; happened earlier
Example
The letter was antedated to appear more official.
手紙はもっと公式に見えるように日付が遡って記入されました。
C2 noun /ˈækəlaɪt/

acolyte

Meaning
a follower or assistant, especially in a religious service or as a devoted supporter of a leader
Example
The senator arrived with a small group of acolytes who handled the press.
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 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 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 noun /ˌæk.rəˈfoʊ.bi.ə/

acrophobia

高所恐怖症
Meaning
An extreme or irrational fear of heights.
Example
Her acrophobia prevented her from climbing the tall building.
彼女のアクロフォビアは、高い建物に登ることを妨げました。
C2 verb /əbˈskɒnd/

abscond

密かに逃げる
Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
泥棒は盗まれた宝石を持って逃げようとした。
C2 adjective əˈsɪd.ju.əs

assiduous

勤勉な、熱心な
Meaning
Showing great care and perseverance; diligent and hardworking.
Example
His assiduous efforts led to a successful career.
彼の勤勉な努力は成功したキャリアにつながった。
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 noun /ˌænɪmædˈvɜːʒən/

animadversion

批判
Meaning
Strong criticism or censure.
Example
The policy attracted severe animadversion from the public.
その政策は公衆から厳しい批判を受けた。
C2 noun /əˈnjuː.ɪ.ti/

annuity

年金
Meaning
a fixed sum of money paid to someone each year, typically for the rest of their life
Example
She receives an annuity from her late husband's insurance policy.
彼女は故夫の保険契約から年金を受け取っています。
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 verb /əˈkuːtər/

accouter

装備する
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
兵士たちは完全な戦闘装備を整えていた。
C2 noun ˌæɡ.roʊˈfɔːr.ɪ.stri

agroforestry

アグロフォレストリー
Meaning
A land use management system in which trees or shrubs are grown around or among crops or pastureland.
Example
Agroforestry improves soil quality and crop yield.
アグロフォレストリーは土壌の質と作物の収量を改善します。
C2 noun /ˈæmjʊlət/

Amulet

お守り; タリスマン
Meaning
an ornament or small piece of jewelry thought to give protection against evil, danger, or disease
Example
She wore a silver amulet around her neck for good luck.
彼女は幸運のために首に銀のタリスマンを身につけていました。
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 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 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 adjective /əˈstrɪndʒənt/

astringent

厳しい
Meaning
sharp or severe in manner or style; also describes a substance that contracts skin or body tissues
Example
Her astringent tone silenced the noisy class.
彼女の厳しい口調は、騒々しいクラスを静めた。
C2 verb /əˈdʌltəreɪt/

adulterate

不正混入
Meaning
to make something poorer in quality by adding another substance, usually of lower quality
Example
The company was fined for adulterating its products with cheap chemicals.
その会社は安価な化学物質で製品をアダルテレートしたため、罰金を科せられました。
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

禁欲主義, 自制
Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
禁欲主義は歴史を通じて多くの宗教的伝統の一部でした。
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 /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 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 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 /ˈæl.kə.laɪ ækt/

Alkali Act

アルカリ法案
Meaning
A British law passed in 1863 to regulate the emission of hydrochloric acid gas from alkali works, representing one of the first pieces of environmental legislation.
Example
The Alkali Act of 1863 was one of the first environmental laws.
1863年のアルカリ法案は最初の環境法の一つでした。
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 noun /əˈzeɪ.li.ə/

azalea

アザレアの花
Meaning
a flowering shrub with brightly colored blooms, often grown ornamentally
Example
The garden was full of blooming azaleas in spring.
春にはアザレアの花が咲いていました。
C2 adjective /əˈsɛt.ɪk/

ascetic

禁欲的
Meaning
Practicing strict self-denial and abstaining from worldly pleasures, often for religious reasons.
Example
He lived an ascetic life in the mountains, far from worldly comforts.
彼は山の中で禁欲的な生活を送り、世俗的な快適さから遠ざかっていた。
C2 verb /əˈvɜːr/

aver

断言する
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
彼女は無罪だと主張した。
C2 verb /ˈæktʃueɪt/

actuate

作動させる
Meaning
to put into action or motion; to motivate or activate
Example
The engineer actuated the machine with a simple switch.
エンジニアは簡単なスイッチで機械を作動させました。
C2 adverb /əˈsʌndər/

asunder

バラバラに
Meaning
into separate parts; apart
Example
The ancient empire was torn asunder by war.
古代の帝国は戦争でバラバラにされてしまった。
C2 adjective /əˈkwɪzətɪv/

acquisitive

Meaning
excessively interested in acquiring money or material things
Example
The acquisitive businessman bought every piece of land he could find.
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

時代錯誤の
Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
彼の性別役割に関する見解は時代遅れと見なされている。
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 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 /ˌædjʊˈleɪʃən/

adulation

過度な賞賛
Meaning
excessive admiration or flattery
Example
The singer enjoyed the adulation of her fans.
歌手はファンたちの過度な賞賛を楽しんでいました。
C2 adjective /əˈɡɒɡ/

agog

Meaning
Highly excited by eagerness, curiosity, or anticipation.
Example
The children were agog with excitement as they waited for the magician to appear.
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 noun /əˈkwɪtəns/

acquittance

領収書
Meaning
a written receipt acknowledging payment or discharge of a debt
Example
He demanded an acquittance after paying the loan.
彼はローンを支払った後で、領収書を要求した。
C2 adjective /ˈæmbjələˌtɔːri/

ambulatory

外来患者
Meaning
Relating to or able to walk; relating to outpatient medical care.
Example
The patient is ambulatory and does not require bed rest.
その患者は外来患者で、安静が必要ありません。
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 verb /ˈæd.l̩/

addle

混乱させる
Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
複雑な指示は彼を混乱させるだけでした。
C2 adjective /əˈmɔːrfəs/

amorphous

無定形
Meaning
Lacking a clear shape or form; without a defined structure.
Example
The plan remained amorphous and lacked concrete details.
その計画は無定形のままで、具体的な詳細が欠けていました。
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 noun /əˈmæl.ɡəm/

amalgam

混合物
Meaning
a mixture or blend of different things
Example
The new policy is an amalgam of several previous laws.
新しい政策は、いくつかの以前の法律の混合物です。
C2 verb /əˈsɛvəˌreɪt/

asseverate

断言する
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
彼はその男を以前見たことがないと断言した。
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 /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 /ˈækmi/

acme

頂点
Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
賞を獲得することが彼のキャリアの頂点でした。
C2 noun /ˈæstər/

Aster

アスターの花
Meaning
a flowering plant with daisy-like flowers that typically bloom in fall
Example
The purple asters bloomed beautifully in the autumn garden.
秋の庭で紫のアスターの花が美しく咲きました。
C2 noun /ˈiːɒn/ or /ˈiːən/

aeon

Meaning
An indefinitely long period of time; an age or eternity.
Example
Dinosaurs roamed the Earth millions of aeons ago.
C2 adverb /əˈbæk/

Aback

驚いた
Meaning
by surprise; unexpectedly
Example
I was taken aback by his sudden announcement.
私は彼の突然の発表に驚きました。
C2 verb /əˈdjuːs/

adduce

証拠や理由を提供する
Meaning
To provide evidence or reasons to support an argument or idea.
Example
The lawyer adduced several examples to support his case.
弁護士は自分のケースを支持するためにいくつかの例を挙げた。
C2 verb /əˈbɑː.mə.neɪt/

abominate

嫌悪する
Meaning
to feel hatred or loathing for something
Example
She abominates cruelty to animals.
彼女は動物への残虐行為を憎んでいます。
C2 noun /ˈeɪ.pi.ə.rɪst/

apiarist

養蜂家
Meaning
a person who keeps and tends bees for honey production
Example
The apiarist collected fresh honey from the hives.
養蜂家は巣箱から新鮮な蜂蜜を集めました。
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 adjective /ˌæf.əˈrɪs.tɪk/

aphoristic

格言的スタイル
Meaning
expressed in the style of a short, witty saying
Example
Her writing style is concise and aphoristic.
彼女の執筆スタイルは簡潔で格言的です。
C2 noun /ˈɑːrkeɪˌɪzəm/

archaism

古語
Meaning
a word, expression, or style of language that is no longer in everyday use
Example
The poem is full of archaisms that give it an old-fashioned flavor.
その詩は古語で満たされており、それが古風な味わいを与えています。
C2 adjective /ˈæprəbəˌtɔːri/

approbatory

称賛の
Meaning
expressing approval or praise
Example
The teacher gave an approbatory nod after reading the essay.
教師はエッセイを読んだ後、称賛の意を込めてうなずいた。
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 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 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 noun /ˈæsɪˌteɪt/

acetate

アセテート
Meaning
a salt or ester of acetic acid; a synthetic material used in textiles and film
Example
The company produces acetate fibers for clothing.
その会社は衣服用のアセテート繊維を生産しています。
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/adjective /ælˈbaɪ.noʊ/

albino

アルビノ (色素が欠けている人/動物)
Meaning
A person, animal, or plant lacking normal pigmentation, resulting in pale skin, hair, and eyes.
Example
The albino rabbit had white fur and pink eyes.
アルビノウサギは白い毛とピンクの目を持っていました。
C2 adjective /əˈfɔːrsed/

Aforesaid

前述の
Meaning
mentioned before; previously stated
Example
The aforesaid conditions must be met before approval.
前述の条件は承認前に満たす必要があります。
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 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 noun /ɑːmz/

alms

施し
Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
僧侶は貧しい村人たちに施しを分け与えた。
C2 adjective, adverb /əˈfʊt/

afoot

進行中
Meaning
In progress; happening or being prepared.
Example
There are several new projects afoot in the company.
会社にはいくつかの新しいプロジェクトが進行中です。
C2 noun /ˈæktʃuˌɛri/

actuary

アクチュアリー
Meaning
A professional who analyzes financial risk using mathematics, statistics, and financial theory, especially in insurance and pensions.
Example
The actuary calculated the risk before finalizing the insurance policy.
アクチュアリーは保険契約を最終決定する前にリスクを計算しました。
C2 noun /əˈspɜːr.ʒən/

aspersion

中傷
Meaning
An attack on the reputation or integrity of someone.
Example
He cast an aspersion on her character.
彼は彼女の性格に中傷をしました。
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 noun /ˈæpəplɛksi/

apoplexy

脳卒中や極端な怒りによる突然の意識喪失や制御の喪失
Meaning
A sudden loss of consciousness or control due to stroke or extreme anger.
Example
The old man nearly had apoplexy when he heard the shocking news.
その老人は衝撃的なニュースを聞いてほとんどアポプレキシーを起こしました。
C2 adjective /ˌæpəˈplɛktɪk/

apoplectic

アポプレクティック
Meaning
Extremely angry; furious.
Example
He was apoplectic when he heard about the unfair decision.
彼は不公平な決定について聞いたとき、アポプレクティックでした。
C2 noun (plural) /ˈɔːspɪsɪz/

auspices

後援
Meaning
Patronage, support, or guidance, often used in the phrase 'under the auspices of'.
Example
The conference was held under the auspices of the United Nations.
会議は国連の後援の下で行われました。
C2 adjective /ˈeɪ.li.ə.nə.bəl/

alienable

譲渡可能
Meaning
Able to be transferred or surrendered, usually referring to rights or property.
Example
Property rights are alienable and can be sold or transferred.
財産権は譲渡可能で、売却または転送できます。
C2 noun /əˈstɪɡmətɪzəm/

astigmatism

乱視
Meaning
An eye defect causing blurred vision due to irregular curvature of the cornea or lens.
Example
She wears glasses to correct her astigmatism.
彼女は乱視を矯正するために眼鏡をかけています。
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 /əˈpɒfəsɪs/

apophasis

Meaning
A rhetorical device where the speaker brings up a subject by denying it or pretending to pass over it.
Example
The politician used apophasis by saying, 'I won’t even mention my opponent’s scandals.'
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 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 /ˈænɪməlˌkjuːl/

animalcule

動物微生物
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
科学者は顕微鏡の下で動物微生物が動いているのを観察しました。
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 /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 /əˈnæb.ə.lɪ.zəm/

anabolism

アナボリズム
Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
アナボリズムは筋肉の成長と組織の修復に不可欠です。
C2 verb /ˈæbrəɡeɪt/

abrogate

廃止する
Meaning
To formally repeal, cancel, or abolish a law, agreement, or custom.
Example
The government decided to abrogate the outdated treaty.
政府は古い条約を廃止することを決定しました。
C2 adjective /əˈsɪdjʊləs/

acidulous

やや酸っぱいまたは鋭い
Meaning
slightly sour or sharp in taste or manner
Example
The critic wrote an acidulous review of the movie.
批評家は映画に対して鋭いレビューを書いた。
C2 noun /ˈæp.ɪˌkʌl.tʃər/

apiculture

養蜂業
Meaning
The practice of keeping and raising bees for honey and other products.
Example
Apiculture plays a vital role in agriculture by supporting pollination.
養蜂業は農業において重要な役割を果たしており、受粉をサポートしています。
C2 noun /ˌɑːrtʃˈdiːkən/

archdeacon

大執事
Meaning
A senior clergyman in the Christian Church ranking below a bishop.
Example
The archdeacon assisted the bishop in administrative duties.
アーチディーコンは行政業務で主教を支援した。
C2 adjective /ˈæfərənt/

afferent

求心
Meaning
carrying impulses toward a central organ or part, especially toward the brain or spinal cord
Example
Afferent nerves carry signals from the body to the brain.
求心神経は体から脳に信号を運びます。
C2 verb /ˈærəˌɡeɪt/

arrogate

不当な要求
Meaning
To claim or take something without justification.
Example
The dictator arrogated all powers to himself.
独裁者は不当な要求で全ての権力を自分のものにした。
C2 adjective /ˈæsənənt/

assonant

アソナンス
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
その詩は音楽的なリズムを生み出すアソナンスの言葉で満ちています。
C2 verb /əˈɡlɒməˌreɪt/

agglomerate

凝集する
Meaning
To collect or form into a mass or group.
Example
The dust particles began to agglomerate into larger clusters.
埃の粒子がより大きな塊に集まり始めました。
C2 adjective /əˈsiːtɪk/

acetic

酢酸の
Meaning
relating to or containing acetic acid; sour or vinegary in taste or smell
Example
The acetic smell of vinegar filled the kitchen.
酢の酢酸の臭いが台所に広がった。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
C2 verb /æbˈdʒʊər/

abjure

放棄する
Meaning
to formally renounce or give up a belief, cause, or claim
Example
He abjured his allegiance to the old regime.
彼は古い政権への忠誠を放棄した。
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

待合室
Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
ゲストはホールに入る前に待合室で待っていました。
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 /ˌæfɛkˈteɪʃən/

affectation

Meaning
an unnatural behavior or speech intended to impress others
Example
Her British accent was just an affectation to sound sophisticated.
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

副業
Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
絵画はオフィスの後の彼の副業です。
C2 adjective /ˌækwiˈɛsənt/

acquiescent

黙認
Meaning
ready to accept something without protest, or to do what someone else wants
Example
He gave an acquiescent smile and agreed to the plan.
彼は黙認の笑顔を見せて、計画に同意しました。
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

集積
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
その都市はさまざまな文化とコミュニティの集積です。
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 /əkˈsɛʃən/

accession

即位 / 条約の受諾
Meaning
the attainment of a position of rank or power, especially a monarch or president; the formal acceptance of an agreement or treaty
Example
The king's accession to the throne was celebrated with great ceremony.
王の即位は大きな儀式で祝われました。
C2 noun /ˈæpəˌθɛm/

apothegm

格言, 名言
Meaning
A short, witty, and instructive saying or maxim.
Example
His speech was filled with apothegms about life and success.
彼のスピーチは人生と成功に関する格言でいっぱいでした。
C2 noun /ˌæd.ʌmˈbreɪ.ʃən/

adumbration

ぼんやりとした前兆
Meaning
a vague foreshadowing or symbolic representation of something
Example
The play offers an adumbration of the political unrest to come.
この劇は、今後の政治的不安定のぼんやりとした前兆を示している。
C2 noun /ˈætəvɪzəm/

atavism

先祖返り
Meaning
The recurrence of traits or characteristics from a remote ancestor.
Example
The scientist noted atavism in the child’s physical features.
科学者は子供の身体的特徴に先祖返りを観察しました。
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 adjective /əˈsɜːrbɪk/

acerbic

辛辣
Meaning
sharp, harsh, or bitter in tone or taste
Example
His acerbic comments offended many people in the meeting.
彼の辛辣なコメントは会議で多くの人々を侮辱しました。