annuity
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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 /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。
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。
B2 noun /æmˈfɪbiən/

amphibian

Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
C2 verb /əˈnɔɪnt/

anoint

油を塗る, 祝福する
Meaning
To smear or rub with oil, often as part of a religious ceremony or as a sign of consecration.
Example
The priest anointed the king with holy oil.
神父は聖油で王を塗りました。
A2 verb əˈdres

address

取り組む
Meaning
To deal with or tackle (a problem or issue); to focus attention on.
Example
The government must address the issues of student politics.
政府は学生政治の問題に取り組むべきです。
B2 adjective /ˈædmərəbəl/

Admirable

賞賛に値する
Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
彼女の他人を助ける献身は本当に賞賛に値します。
A1 verb /æd/

add

追加する
Meaning
to join something to something else; to include
Example
Please add sugar to my coffee.
コーヒーに砂糖を加えてください。
B2 adverb /əˈtræktɪvli/

attractively

魅力的に
Meaning
in a pleasing or appealing way; in a manner that draws interest or admiration
Example
The room was attractively decorated with soft lights and plants.
その部屋は柔らかい照明と植物で魅力的に飾られていた。
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

非同期の
Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
非同期コースは学生が自分のペースで学べるようにします。
A2 noun /əˈpɔɪnt.mənt/

Appointment

約束; 任命;
Meaning
an arrangement to meet someone at a particular time and place; the action of appointing someone to a job or position
Example
I have a doctor's appointment at 3 PM.
午後3時に医者のアポイントメントがあります。
B2 adjective /əˈdʒʌstəbəl/

Adjustable

調整可能な; 可変の; 調節できる;
Meaning
নিয়মযোগ্য; পরিবর্তন-সাধ্য; সমন্বয়যোগ্য;
Example
This chair has an adjustable height feature.
この椅子は高さが調節可能です。
A1 noun /ˈɛərpleɪn/

airplane

飛行機
Meaning
a powered flying vehicle with fixed wings and engines
Example
The airplane took off smoothly from the runway.
飛行機は滑走路からスムーズに離陸しました。
B2 noun, verb /ˈɑːrkaɪv/

archive

Meaning
A collection of historical documents or records; to store or preserve information for future use.
Example
The library decided to archive all the old manuscripts.
C2 noun /əˌpɒθiˈoʊsɪs/

apotheosis

頂点, 完璧な例
Meaning
The highest point of development; the perfect example of something; the elevation of someone to divine status.
Example
Many see the Renaissance as the apotheosis of art and culture in Europe.
多くの人々はルネサンスをヨーロッパの芸術と文化の頂点と見なしています。
B2 noun /ˌæk.jʊˈzeɪ.ʃən/

accusation

告発
Meaning
A statement that someone has done something wrong or illegal.
Example
She made an accusation of theft against her colleague.
彼女は同僚に対して窃盗の告発を行いました。
B2 noun /ˈæsɪd/

acid

Meaning
a chemical substance that reacts with bases and has a sour taste
Example
Lemons contain citric acid.
レモンにはクエン酸が含まれています。
C1 noun /ɑːˌtɪkjʊˈleɪʃən/

articulation

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

ascribe

帰属する、割り当てる
Meaning
To attribute something to a cause, source, or person.
Example
Many scholars ascribe the poem to an unknown author.
多くの学者はこの詩を未知の作者に帰属させている。
C2 noun /əˈluːviən/

alluvion

アリュビオン
Meaning
The gradual increase of land by the deposit of soil from water; also, a flood or overflow of water.
Example
The river’s alluvion added new fertile land to the village fields.
川のアリュビオンは村の畑に新しい肥沃な土地を加えました。
C1 verb /əˈpɛnd/

append

追加する
Meaning
to add something as an attachment or supplement, usually at the end of a document or list
Example
She decided to append a note to the end of the report.
彼女は報告書の最後にメモを追加することに決めました。
A1 conjunction /ænd/

and

Meaning
Used to connect words or sentences that are to be taken jointly.
Example
She bought apples and oranges.
彼女はリンゴとオレンジを買いました。
B2 noun /ˌænθrəˈpɒlədʒi/

anthropology

人類学
Meaning
the scientific study of humans, their societies, cultures, and development
Example
She decided to major in anthropology at university.
彼女は大学で人類学を専攻することに決めました。
B2 noun /ˌæbəˈlɪʃən/

abolition

廃止
Meaning
the act of formally ending or eliminating a system, practice, or institution
Example
The abolition of slavery was a major milestone in human rights history.
奴隷制度の廃止は人権の歴史における重要な節目でした。
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 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。
C1 adverb /əˈfrɛʃ/

afresh

再び
Meaning
From the beginning, in a new way.
Example
After the failure, they started the project afresh.
失敗後、彼らは新たにプロジェクトを始めた。
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。
B2 noun /əˈpɒstrəfi/

apostrophe

Meaning
A punctuation mark (') used to indicate possession or the omission of letters or numbers.
Example
You need an apostrophe in the word 'children’s'.
C1 verb /ˈeɪ.li.ə.neɪt/

alienate

疎外する
Meaning
To make someone feel isolated or estranged; to cause someone to become unfriendly.
Example
His rude behavior alienated many of his friends.
彼の失礼な行動は多くの友人を遠ざけた。
B1 verb /əˈpriːʃieɪt/

appreciate

感謝する
Meaning
to recognize the value or significance of; to be grateful for
Example
I really appreciate your help with this project.
このプロジェクトでのあなたの助けに本当に感謝しています。
B2 noun /ˈɑːrtɪzən/

artisan

職人
Meaning
a skilled craftsperson who makes things by hand
Example
The artisan crafted a beautiful wooden chair.
職人は美しい木製の椅子を作りました。
A2 noun əˈɡriː.mənt

agreement

契約
Meaning
A negotiated arrangement between parties as to a course of action.
Example
The agreement was accepted by all countries.
その契約はすべての国によって受け入れられました。
B1 noun /ˈæksɛnt/

accent

アクセント
Meaning
a distinctive way of pronouncing a language, especially one associated with a particular country or region
Example
She spoke English with a strong French accent.
彼女は強いフランス語のアクセントで英語を話しました。
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 /ˈɔːtəkræt/

autocrat

独裁者
Meaning
A ruler with absolute power.
Example
The autocrat controlled the country with an iron fist.
そのオートクラットは鉄の拳で国を支配していました。
B2 noun ədˈvɑːns.mənts

advancements

進展
Meaning
The process of promoting or moving forward; development or improvement.
Example
Scientific advancements enhance global innovation.
科学的進展はグローバルな革新を促進します。
C2 noun /ˈæbɪs/

abbess

アッベッサ (修道院の女性院長)
Meaning
the woman in charge of a convent of nuns
Example
The abbess welcomed the visitors to the convent.
アッベッサは修道院に訪問者を迎えました。
A1 adverb /ɔːlˈredi/

Already

すでに; もう; 前に
Meaning
before now; by this time; previously
Example
I have already finished my homework for today.
私は今日の宿題をすでに終わらせました。
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 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。
B2 noun /əˈbɔːrʃən/

abortion

Meaning
The deliberate termination of a human pregnancy, usually performed during the first 28 weeks.
Example
The debate about abortion continues to divide public opinion.
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。
A1 adjective /əˈfreɪd/

afraid

怖がっている
Meaning
feeling fear or anxiety; worried that something undesirable will happen
Example
She was afraid of the dark.
彼女は暗闇を怖がっていた。
B2 noun (plural) /ˈɑːrtɪˌfæks/

artifacts

遺物
Meaning
objects made by humans, often of historical or cultural importance
Example
Archaeologists discovered valuable artifacts in the ruins.
考古学者たちは遺跡で貴重な遺物を発見しました。
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 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。
B2 adjective + noun অ্যাডভার্স ইমপ্যাক্ট

adverse impact

悪影響
Meaning
A negative or harmful effect or influence on something.
Example
Long screen time has an adverse impact on hand muscles.
長時間の画面の使用は手の筋肉に悪影響を及ぼします。
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 noun /əˈfreɪ/

affray

公開喧嘩
Meaning
A public fight or noisy disturbance that causes alarm.
Example
The police were called to break up an affray outside the stadium.
警察はスタジアム外での喧嘩を止めるために呼ばれました。
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。
C1 verb /əˈlɒt/

allot

幸せ
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
彼女は賞を受け取ったとき、幸福を隠すことができませんでした。
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

アセンブリ セッション
Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
アセンブリ セッションは、世界的な課題について議論しました。
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。
C1 noun /əˈflɪkʃən/

affliction

苦しみ
Meaning
a state of pain, suffering, or distress
Example
Poverty is a common affliction in many parts of the world.
貧困は世界の多くの地域で一般的な苦しみです。
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。
B2 verb /ˈælaɪ/

ally

味方
Meaning
To unite or form a connection or partnership with another person, group, or nation.
Example
The two countries decided to ally against their common enemy.
二国は共通の敵に対して連携することを決定した。
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。
B2 adjective /əˈpærənt/

apparent

明らか
Meaning
Clearly visible or understood; obvious.
Example
It soon became apparent that he was not telling the truth.
それがすぐに明らかになった、彼が真実を話していないことが。
C2 noun /ˈɑːrbər/

arbor

木々や蔓植物によって作られた日陰の庭の避難所
Meaning
a shady garden shelter formed by trees, climbing plants, or latticework
Example
They rested under the arbor covered with roses.
彼らはバラで覆われたアーボーの下で休憩していました。
B1 noun /əˈsɛmbli/

assembly

集会
Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
学校は新しい規則について話し合うために集会を開きました。
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 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。
B2 noun /əˈsɜːʃən/

assertion

主張
Meaning
a confident and forceful statement of fact or belief
Example
Her assertion that she was right was met with silence.
彼女の自分が正しいという主張は、沈黙とともに受け入れられました。
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。
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
B1 noun /ˈæŋɡl/

angle

角度
Meaning
The space between two intersecting lines or surfaces at the point where they meet.
Example
The teacher explained how to measure an angle in geometry.
先生は数学で角度を測る方法を説明しました。
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 /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。
B2 noun /ˈɑːrkaɪvz/

archives

アーカイブズ
Meaning
A place or collection where historical records and documents are stored.
Example
She visited the national archives to research her family history.
彼女は家族の歴史を調べるために国立アーカイブズを訪れました。
B1 noun /ˈænəlɪst/

analyst

アナリスト
Meaning
a person who studies or examines something carefully to understand it or make decisions
Example
The financial analyst predicted a rise in the stock market.
金融アナリストは株式市場の上昇を予測しました。
B2 adjective /əˈbʌndənt/

abundant

豊富
Meaning
existing or available in large quantities; plentiful
Example
The garden was abundant with colorful flowers.
庭は色とりどりの花であふれていました。
C1 verb /əˈseɪl/

assail

攻撃する
Meaning
to attack violently, either physically or with words
Example
The politician was assailed with difficult questions.
政治家は難しい質問で攻撃された。
C2 adjective /ˈeɪkwiəs/

aqueous

水性の
Meaning
related to or containing water; watery
Example
The solution was in an aqueous form.
溶液は水性の形でした。
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 noun /ˈɑːrdər/

ardor

情熱、熱意
Meaning
Great enthusiasm or passion.
Example
She spoke with ardor about her new project.
彼女は新しいプロジェクトについて情熱をもって話していました。
A2 noun /ˈæroʊ/

arrow

Meaning
a thin, straight weapon with a pointed tip, shot from a bow
Example
The hunter shot an arrow at the target.
猟師はターゲットに矢を射った。
C1 adjective /əˈlʊr.ɪŋ/

Alluring

魅力的で誘惑的; 魅力的な
Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
バラの魅力的な香りが庭を満たしました。
B1 noun /əˈpiːl/

Appeal

アピール; 要請; 魅力
Meaning
a serious or urgent request, typically to the public; the quality of being attractive or interesting
Example
The charity made an appeal for donations.
チャリティーは寄付を呼びかけました。
A1 noun /ˈɛər.pɔːrt/

airport

空港
Meaning
A place where airplanes take off and land, with buildings for passengers and cargo.
Example
We arrived at the airport two hours before the flight.
私たちはフライトの2時間前に空港に到着しました。
B2 noun /eɪk/

Ache

痛み
Meaning
a continuous or prolonged dull pain in a part of one's body
Example
He had a terrible headache after working late.
彼は遅くまで働いた後、ひどい頭痛に悩まされた。
B2 noun, verb /ˈævəlæntʃ/

avalanche

Meaning
(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche
Example
The avalanche buried the mountain road under tons of snow.
B2 adjective /əˈbrʌpt/

abrupt

突然
Meaning
Sudden or unexpected, often without warning.
Example
The car came to an abrupt stop in the middle of the road.
車は道路の中央で急停車しました。
C2 adjective /əˈɡeɪp/ or /əˈɡɑːp/

agape

驚愕
Meaning
With the mouth wide open in surprise or wonder.
Example
She stood agape at the breathtaking view.
彼女は息を呑むような景色に驚いて口を開けたまま立っていた。
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。
A1 adverb /əˈɡen/

Again

もう一度
Meaning
once more; another time; in addition
Example
I need to read this book again to understand it better.
この本をもう一度読んで、もっとよく理解したい。
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。
B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

適用可能
Meaning
Relevant or appropriate in a particular situation.
Example
This rule is applicable to eye care too.
このルールは目のケアにも適用されます。
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。
B2 adjective/verb /əˈprɒksɪmət/

approximate

おおよその
Meaning
close to the actual but not exact; to estimate or calculate roughly
Example
The cost is approximate and may change later.
その費用はおおよそのもので、後で変わるかもしれません。
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。
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。
C1 adjective /əˈluːf/

aloof

距離を置いた
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
彼は議論の間ずっと距離を置いていました。
B2 adjective /əˈpiː.lɪŋ/

Appealing

魅力的な; 面白い; 楽しい
Meaning
attractive; interesting; pleasing
Example
The colorful garden looks very appealing to visitors.
色とりどりの庭は訪問者に非常に魅力的に見えます。
B2 noun /ˌæk.wɪˈzɪʃ.ən/

Acquisition

獲得, 取得
Meaning
An asset or object bought or obtained, typically by a library or museum.
Example
The company's acquisition strategy boosted growth.
会社の獲得戦略は成長を促進しました。
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。
C2 noun /ˌɔːskʌlˈteɪʃən/

auscultation

聴診
Meaning
The act of listening to internal sounds of the body, typically using a stethoscope.
Example
The doctor performed auscultation to check the patient’s lungs.
医者は患者の肺を調べるために聴診を行いました。
A2 noun /ˈɔːdiəns/

audience

観客
Meaning
A group of people who gather to watch, listen to, or experience a performance, event, or broadcast.
Example
The audience clapped loudly after the performance.
パフォーマンス後、観客は大きな拍手を送った。
B1 noun /ˈæl.ɪ.ɡeɪ.tər/

Alligator

ワニ
Meaning
a large reptile similar to a crocodile but with a shorter, wider head
Example
The alligator basked in the sun on the riverbank.
ワニは川辺で日光浴をしていました。
B2 adjective /ænˈdʒelɪk/

angelic

天使のような
Meaning
Like or characteristic of an angel; pure, kind, or innocent.
Example
The child had an angelic smile.
その子供は天使のような笑顔をしていました。
C2 noun əˈkjuː.ə.ti

acuity

鋭敏さ
Meaning
Sharpness or keenness of thought, vision, or hearing.
Example
His intellectual acuity made him a brilliant scientist.
彼の知的な鋭敏さは彼を優れた科学者にしました。
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, verb /əˈsɛnt/

assent

同意
Meaning
To agree to something, especially after careful consideration; an expression of approval.
Example
She nodded her head in silent assent.
彼女は静かにうなずいた。
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 /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 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。
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。
B2 noun /ˈædvərtaɪzər/

advertiser

広告主
Meaning
a person or company that advertises a product, service, or event
Example
The advertiser paid millions for a Super Bowl commercial spot.
広告主はスーパーボウルのコマーシャルに何百万ドルも支払った。
B2 noun /ˈæltɪtuːd/

altitude

高度
Meaning
the height of an object or point in relation to sea level or ground level
Example
The airplane is flying at an altitude of 30,000 feet.
飛行機は30,000フィートの高度で飛んでいます。
B1 verb /ədˈmaɪər/

admire

賞賛する
Meaning
To respect, appreciate, or look up to someone or something.
Example
I really admire her dedication to education.
私は本当に彼女の教育への献身を賞賛します。
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

終末的
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
映画は核戦争後の終末的な未来を描いています。
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。
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。
B2 verb /əˈraɪz/

arise

現れる
Meaning
to begin to exist or to happen
Example
Problems may arise if you don't plan ahead.
計画を立てないと問題が現れることがあります。
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。
A1 pronoun /ˈɛniwʌn/

anyone

誰か
Meaning
any person at all; used to refer to an unspecified person
Example
Does anyone know the answer to this question?
誰かこの質問の答えを知っていますか?
C2 noun /ˈæn.dʒi.əʊ.plæs.ti/

angioplasty

血管を開くための医療手術で、心臓に血液を供給する血管が閉塞または狭窄している場合に行われます。
Meaning
A medical procedure to open blocked or narrowed blood vessels that supply blood to the heart.
Example
Angioplasty is now safer with robotic assistance.
ロボット支援で、アンジオプラスティは現在より安全です。
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。
A2 adverb /ˌɛniˈmɔr/

anymore

もう〜ない
Meaning
used to refer to the present time, typically to mean no longer
Example
He doesn’t live here anymore.
彼はもうここに住んでいません。
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。
C1 noun /ɔːˈdæs.ə.ti/

audacity

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