acerbity
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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。
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。
B2 adjective æmˈbɪɡ.ju.əs

ambiguous

曖昧
Meaning
Having more than one possible meaning; unclear or vague.
Example
His statement was too ambiguous to understand.
彼の発言は理解するにはあまりにも曖昧だった。
C1 adjective /əˈsɛndənt/

ascendant

上昇する、支配的な
Meaning
Rising in power or influence; dominant.
Example
She is an ascendant leader in the political party.
彼女は政治党の中で上昇するリーダーです。
C1 noun/verb /ˈætrəfi/

atrophy

萎縮
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
定期的な運動がないと、筋肉は時間とともに萎縮する可能性があります。
B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

中毒者
Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
彼は毎日何時間もゲームをするゲーム中毒者です。
C1 noun /ˈæntlɚ/

antler

鹿の角
Meaning
The branched horns on the head of a deer or similar animal, usually shed and regrown annually.
Example
The deer’s antlers grew larger each year.
鹿の角は毎年大きくなります。
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。
B1 adjective /ˈæk.jə.rət/

Accurate

正確; 正しい;
Meaning
correct, exact, and without any mistakes
Example
The weather forecast was completely accurate.
天気予報は完全に正確でした。
B2 adverb /əˈlɛdʒɪdli/

allegedly

伝えられたところによると
Meaning
used to say that something is claimed to be true, though not proven
Example
He was allegedly involved in the robbery.
彼は伝えられたところによると強盗に関与していた。
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。
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。
B1 adjective /əˈtætʃt/

attached

添付された
Meaning
joined or fastened to something; emotionally connected or fond of someone or something
Example
The file is attached to the email.
ファイルはメールに添付されています。
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。
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。
C1 noun ˌæp.əˈreɪ.təs

apparatus

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

anarchist

アナーキスト
Meaning
a person who believes in or promotes the absence of government or authority
Example
The anarchist group protested against state control.
アナーキストのグループは国家の支配に反対して抗議しました。
A1 adverb /ˈɔːl.weɪz/

Always

いつも; 永遠に; 常に
Meaning
at all times; on all occasions; forever
Example
She always arrives early to work.
彼女はいつも仕事に早く到着します。
C1 verb /ˈæbdɪkeɪt/

abdicate

放棄する
Meaning
To give up a position of power or responsibility, especially a throne.
Example
The king decided to abdicate the throne.
王は王位を放棄することに決めました。
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 noun /əˈlaʊəns/

Allowance

手当
Meaning
a sum of money paid regularly to a person; permission to do something
Example
Children receive a weekly allowance for helping with chores.
子供たちは家事の手伝いをすることで週刊手当を受け取ります。
C2 adjective /ɔːˈrɔːrəl/

auroral

オーロラに関連する
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学者たちは夜空でオーロラルの活動を観察しました。
C2 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

理解可能な
Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
その複雑な理論は教授の説明後に理解可能になった。
C2 verb /əbˈhɔːr/

abhor

嫌悪する
Meaning
to regard with disgust and hatred
Example
She abhors cruelty to animals.
彼女は動物への残酷さを嫌悪しています。
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。
B2 noun /ˈɑːrm.pɪt/

Armpit

脇の下
Meaning
the hollow area under the arm where it joins the shoulder
Example
He applied deodorant to his armpit.
彼は脇の下にデオドラントを塗った。
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 /ˈæd.vənt/

advent

到来
Meaning
The arrival of a notable person, thing, or event.
Example
The advent of the internet changed the way people communicate.
インターネットの到来は人々のコミュニケーション方法を変えました。
C2 noun/adjective /ˈæl.əˌbæs.tər/

alabaster

アラバスター(白い鉱物)
Meaning
A fine-grained, usually white variety of gypsum, often used for carving; also describes something smooth and pale like alabaster.
Example
The statue was carved from pure alabaster.
その像は純粋なアラバスターで彫られました。
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。
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 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。
C2 noun, verb /ˈæseɪ/

assay

分析
Meaning
To test or analyze the quality, purity, or content of a substance; the act of such testing.
Example
The scientists assayed the mineral sample for gold content.
科学者たちは金の含有量を調べるために鉱物サンプルをアセイしました。
C1 noun /ˈæl.ɪ.moʊ.ni/

alimony

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

anglophobia

アングロフォビア
Meaning
Dislike or fear of England, English people, or English culture.
Example
The politician was accused of promoting Anglophobia in his speeches.
その政治家は演説でアングロフォビアを促進したとして非難されました。
B1 noun /əˈfer/

Affair

事柄; 出来事;
Meaning
an event or situation; a matter that someone deals with
Example
The wedding was a grand affair with hundreds of guests.
結婚式は何百人ものゲストを招待した壮大な出来事でした。
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。
C1 verb /eɪl/

ail

病む
Meaning
to be ill or suffer from a physical or mental problem; to trouble or afflict
Example
She has been ailing since last winter.
彼女は去年の冬から病んでいます。
A1 noun/verb /eɪdʒ/

age

年齢
Meaning
The length of time that a person has lived; to grow older.
Example
She asked his age politely.
彼女は彼の年齢を丁寧に尋ねました。
A2 noun /ədˈvæn.tɪdʒ/

Advantage

利点; 利益
Meaning
a condition or circumstance that puts one in a favorable position; a benefit
Example
Having a college degree gives you an advantage in the job market.
大学の学位を持っていることは、就職市場で有利になります。
B1 noun /æks/

Axe

Meaning
a tool with a heavy blade for cutting wood
Example
The lumberjack swung his axe to chop the tree.
木こりは木を切るために斧を振った。
C2 noun /ɔːl/

awl

Meaning
a small pointed tool used for making holes, especially in leather
Example
The cobbler used an awl to punch holes in the leather.
靴屋は革に穴を開けるために錐を使った。
C1 adjective /ˌeɪˈtɪpɪkəl/

atypical

非典型
Meaning
not representative of a type, group, or class; unusual or abnormal
Example
The doctor said it was an atypical case of the disease.
医者はそれが病気の非典型的なケースだと言いました。
C1 noun /ˈækwɪˌdʌkt/

aqueduct

水道橋
Meaning
a structure built to carry water over long distances
Example
The Romans built aqueducts to supply water to their cities.
ローマ人は都市に水を供給するために水道橋を建設しました。
C1 noun /æmˈniːʒə/

amnesia

健忘症
Meaning
A partial or total loss of memory, usually caused by injury, illness, or psychological trauma.
Example
After the accident, she suffered from amnesia and could not remember her own name.
事故後、彼女はアムネジアに苦しみ、自分の名前を思い出せなかった。
C1 noun /ˌæktʃuˈæləti/

actuality

現実
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
その映画は歴史的な現実に基づいています。
C1 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。
B2 adjective /æpt/

apt

適切な
Meaning
Appropriate or suitable; having a natural tendency or quick to learn.
Example
She is an apt student who quickly understands new concepts.
彼女は新しい概念をすぐに理解できる適切な学生です。
C1 adjective /ˈɑːr.dənt/

Ardent

熱心な; 熱烈な; 情熱的な
Meaning
very enthusiastic; passionate; fervent
Example
She is an ardent supporter of environmental conservation.
彼女は環境保護の熱心な支持者です。
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。
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。
B1 adjective /ˈeɪn.ʃənt/

Ancient

古代の
Meaning
belonging to the very distant past; very old; historical
Example
We visited the ancient ruins of the Roman empire.
ローマ帝国の古代遺跡を訪れました。
B2 noun /əˌdæptəˈbɪləti/

adaptability

適応性
Meaning
The quality of being able to adjust to new conditions or circumstances
Example
Adaptability to changing environments is crucial in business.
変化する環境に適応する能力はビジネスにおいて重要です。
C2 noun /ˈɔːldərmənʃɪp/

aldermanship

アルダーマンの職位
Meaning
The office, position, or dignity of an alderman.
Example
He was honored with aldermanship after years of service.
彼は多年の奉仕後、アルダーマンの職位を授与されました。
C2 noun ˌæɡ.roʊ.iˈkɒl.ə.dʒi

agroecology

アグロエコロジー
Meaning
A scientific discipline that studies agricultural systems by applying ecological concepts and principles.
Example
Agroecology promotes eco-friendly farming.
アグロエコロジーは環境に優しい農業を促進します。
C2 noun /ˈæmpərˌsænd/

ampersand

アンパーサンド
Meaning
The symbol '&' used to represent the word 'and'.
Example
Use an ampersand instead of writing the word 'and' in the company name.
会社名に'and'の代わりにアンパーサンドを使用してください。
B2 noun ˌæn.tiˈɒk.sɪ.dənt

antioxidant

抗酸化物質
Meaning
A substance that may prevent or delay some types of cell damage by neutralizing free radicals.
Example
Green tea contains powerful antioxidants that slow aging.
緑茶には老化を遅らせる強力な抗酸化物質が含まれています。
B2 verb /əkˈnɒlɪdʒ/

acknowledge

認める
Meaning
to accept or admit the existence or truth of something; to recognize
Example
She acknowledged her mistake and apologized.
彼女は自分のミスを認め、謝罪した。
A2 adverb /ˈɛniweɪ/

anyway

とにかく
Meaning
used to emphasize a statement or to return to a previous subject; regardless of what happened
Example
I was tired, but I went to the meeting anyway.
疲れていたが、それでも会議に行った。
C1 verb /əˈlʊər/

allure

魅力
Meaning
to attract or tempt someone with something desirable; to entice
Example
The beautiful garden allured visitors from far away.
美しい庭園が遠くから訪問者を魅了しました。
C1 noun /ˈæspɪrənt/

aspirant

志願者
Meaning
a person who seeks or hopes to achieve a position of honor or advancement
Example
She is an aspirant for the university's top scholarship.
彼女は大学の最優秀奨学金の志願者です。
C1 adjective /ˈænsɪləri/

ancillary

補助的な
Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
その会社は医療業界に補助的なサービスを提供しています。
B2 adjective /ˈæm.pəl/

Ample

十分な; 充実した; 余裕のある
Meaning
large in size, extent, or capacity; plentiful; more than enough
Example
We have ample time to finish the project before the deadline.
プロジェクトを締め切り前に終わらせるための十分な時間があります。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行動は言葉よりも雄弁である、それはよく知られた公理です。
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。
A1 interjection /ɑː/

ah

ああ
Meaning
used to express realization, surprise, or relief
Example
Ah, now I understand what you mean.
ああ、今あなたが言いたいことがわかりました。
A2 adverb /æz ˈjuː.ʒu.əl/

As usual

いつも通り
Meaning
in the way that is normal or typical; customarily
Example
As usual, he arrived late to the meeting.
いつも通り、彼は会議に遅れて到着しました。
B1 adjective əkˈsep.tɪd

accepted

受け入れられた
Meaning
Generally believed or recognized to be valid or correct.
Example
The accepted terms were discussed in detail.
受け入れられた条件は詳細に議論されました。
A2 verb /əˈpɒlədʒaɪz/

apologize

謝罪する
Meaning
to say sorry for something wrong you have done
Example
He apologized for being late to the meeting.
彼は会議に遅れたことを謝罪しました。
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。
B1 noun /ədˈvæns/

Advance

進歩; 発展; 前払い
Meaning
progress or development; movement forward; money paid before it is due
Example
Technology has made great advances in recent years.
技術は近年大きな進歩を遂げました。
A2 noun /ˈæmbjʊləns/

ambulance

救急車
Meaning
A specially equipped vehicle used to transport sick or injured people to the hospital.
Example
The ambulance rushed to the accident site within minutes.
救急車は数分で事故現場に到着しました。
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 verb /əbˈzɔːrb/

absorb

吸収する
Meaning
to take in or soak up a liquid, energy, or information
Example
The sponge absorbed all the water.
スポンジは水をすべて吸収しました。
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 /ˌænəlˈdʒiːziə/

analgesia

鎮痛
Meaning
The inability to feel pain while still conscious.
Example
The doctor induced analgesia before performing the procedure.
医者は手術を行う前に鎮痛を誘発した。
B2 verb /əˈstaʊnd/

astound

仰天させる
Meaning
to greatly surprise or amaze someone
Example
The magician's final trick astounded the audience.
そのマジシャンの最後の手品は観客を仰天させた。
A2 noun ədˈvɛnʧər

Adventure

冒険
Meaning
An unusual and exciting experience or activity that is typically bold and sometimes risky.
Example
Adventure travel is loved by thrill-seekers.
アドベンチャー旅行はスリルを求める人々に愛されています。
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。
B2 noun /əˈtɜːrni/

attorney

弁護士
Meaning
a person who practices law; a lawyer
Example
She hired an attorney to represent her in court.
彼女は裁判所で彼女を代表するために弁護士を雇いました。
A1 noun /eər/

Air

空気
Meaning
the invisible gaseous substance surrounding the earth; a mixture mainly of oxygen and nitrogen
Example
Fresh air is essential for good health.
新鮮な空気は健康に不可欠です。
C1 noun ˈæltruɪzəm

altruism

利他主義、他者の幸福に対する無私の配慮
Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
彼の利他主義は他の人々にボランティアをするように促した。
B2 noun /əˈriːnə/

arena

アリーナ, 会場
Meaning
a large area surrounded by seats for sports, entertainment, or other events
Example
The basketball game will be held in the new arena downtown.
バスケットボールの試合は市内中心部の新しいアリーナで行われます。
C2 verb /əˈniːl/

anneal

熱処理で硬化する
Meaning
To heat and cool metal or glass to make it stronger or less brittle.
Example
The blacksmith annealed the steel to improve its durability.
鍛冶屋は鋼を熱処理してその耐久性を向上させました。
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。
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。
A2 noun ˈɑːrɡjumənt

argument

議論
Meaning
A reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
Example
His argument was based on majority.
彼の議論は多数決に基づいていました。
B2 adjective /æʃ ˈkʌl.ər/

Ash-colour

灰色
Meaning
a grayish color resembling ash
Example
The old building had ash-colour walls that needed painting.
古い建物には灰色の壁があり、塗り直す必要がありました。
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 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。
B2 adjective /əˈstɒnɪʃt/

astonished

驚いた
Meaning
feeling very surprised or amazed
Example
She was astonished by the magician's incredible trick.
彼女はその魔術師の信じられない手品に驚いた。
C2 noun əˈdʒuː.dɪ.kə.tɪv ˈbɒd.i

adjudicative body

裁定機関
Meaning
An official organization that has the authority to judge disputes and make decisions.
Example
The adjudicative body deliberated on the case.
裁定機関はケースについて審議した。
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 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。
C2 verb /ænˈtɪpəθaɪz/

antipathize

反感
Meaning
to feel or express a strong dislike or aversion toward something or someone
Example
He seemed to antipathize with the new management's approach.
彼は新しい経営陣のアプローチに反感を示しているようだった。
C1 noun /əˈboʊd/

abode

住居
Meaning
a place of residence; a home
Example
They invited us to their humble abode.
彼らは私たちを彼らの質素な住居に招待しました。
C1 noun /ˈædɪdʒ/

adage

格言
Meaning
a short, well-known saying that expresses a general truth or piece of advice
Example
The old adage says that honesty is the best policy.
古い格言は、正直は最良の政策だと言っています。
B1 noun ˈɑːkɪtektʃə(r)

architecture

建築
Meaning
The art or science of designing and constructing buildings.
Example
Ancient architecture is fascinating.
古代の建築は魅力的です。
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。
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。
A1 noun ækˈtɪv.ɪ.ti

Activities

活動
Meaning
A thing that a person or group does or has done.
Example
Productive activities drive progress.
生産的な活動は進展を促進します。
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 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。
A2 noun /æd/

ad

広告
Meaning
a notice or announcement in a public medium promoting a product, service, or event
Example
The company released a new ad for their smartphone.
会社はスマートフォンの新しい広告を公開しました。
B2 adjective /ˌæksɪˈdɛntl/

accidental

偶然の
Meaning
happening by chance, unintentionally
Example
The fire was caused by an accidental spark.
火事は偶然の火花によって引き起こされました。
C1 adjective /əˈmiːnəbl/

amenable

協力的
Meaning
willing to cooperate or be influenced; open to suggestions
Example
She was amenable to the idea of working longer hours.
彼女は長時間働くという考えに賛成だった。
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。
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。
C2 verb /ˈæsəneɪt/

assonate

韻を踏む
Meaning
To correspond or agree in sound, especially by vowel sounds; to rhyme approximately.
Example
The lines assonate beautifully, giving the song a unique flow.
その行は美しく韻を踏んでおり、歌に独特の流れを与えています。
C2 noun /əbˈhɒrəns/

abhorrence

嫌悪
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
彼は人種差別に対する嫌悪を表明した。
B2 noun /ˈæɡ.ə.ni/

Agony

極度の肉体的または精神的苦痛; 激しい痛み
Meaning
extreme physical or mental suffering; intense pain
Example
He was in agony after the accident.
事故後、彼は激しい痛みに苦しんでいた。
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 /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。
B2 noun əˈmendmənt

amendment

修正案
Meaning
A minor change in a document.
Example
The amendment was not supported.
その修正案は支持されませんでした。
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。
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.
B2 noun /əˈkɔːrdəns/

accordance

一致
Meaning
agreement or harmony with something; compliance with rules, laws, or wishes
Example
The policy was implemented in accordance with international law.
その方針は国際法に従って実施された。
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgment

認識
Meaning
the act of accepting, admitting, or recognizing something
Example
He received an acknowledgment of his application.
彼は自分の申し込みの認識を受け取りました。
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。