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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。
C2 adjective /əˈluːviəl/

alluvial

沖積の
Meaning
Relating to or derived from alluvium (loose soil or sediment deposited by rivers).
Example
The farmers cultivate crops on the fertile alluvial plains.
農民たちは肥沃な沖積平原で作物を栽培します。
B1 noun /əkˈsɛptəns/

acceptance

受け入れ
Meaning
the act of agreeing to receive or undertake something offered
Example
Her acceptance of the award was met with applause.
賞を受け入れる彼女は拍手で迎えられました。
C2 noun /ˌæntɪˈtɒksɪn/

antitoxin

抗毒素
Meaning
A substance that neutralizes a specific toxin in the body.
Example
The doctor administered an antitoxin to counter the snake venom.
医師は蛇の毒を無効にするために抗毒素を投与しました。
B2 noun ˈæt.rɪ.bjuːt

attribute

属性
Meaning
A quality or feature regarded as a characteristic or inherent part of someone or something.
Example
An important attribute of wood is its flexibility.
木材の重要な属性はその柔軟性です。
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。
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 noun /ˈælɪɡəri/

allegory

寓話
Meaning
a story, poem, or picture that can be interpreted to reveal a hidden meaning, often moral or political
Example
The novel is an allegory of the struggle between good and evil.
その小説は善と悪の闘争の寓話です。
A2 verb /əˈpɪə/

appear

現れる
Meaning
to become visible or come into sight; to seem
Example
She appeared suddenly at the door.
彼女は突然ドアの前に現れました。
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。
C1 verb əˈnaɪ.ə.leɪt

annihilate

完全に破壊する
Meaning
Destroy utterly; obliterate; reduce to nothing.
Example
The explosion annihilated the entire village.
爆発は村全体をアニヒレートしました。
C2 adjective /ˈæfəbəl/

affable

愛想の良い
Meaning
friendly, easy to talk to, and pleasant in manner
Example
He is such an affable host that everyone feels comfortable at his parties.
彼はとても愛想の良いホストで、誰もが彼のパーティーで快適に感じます。
B2 verb əˈlaɪn.ɪŋ

aligning

整列する
Meaning
Placing or arranging things in a straight line or in correct relative positions.
Example
Aligning education with global standards is vital.
教育を世界標準に整列させることは重要です。
C2 noun /əˈbaɪdəns/

abidance

遵守
Meaning
the act of following, accepting, or complying with something
Example
Her abidance by the rules impressed the committee.
規則を守ることが委員会に印象を与えました。
C1 noun əˈniː.mi.ə

anemia

貧血
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
遺伝子治療は貧血を効果的に治療します。
C1 noun /ˈæd.və.ser.i/

adversary

対戦相手
Meaning
One's opponent in a contest, conflict, or dispute.
Example
The boxer faced a strong adversary in the ring.
ボクサーはリングで強い対戦相手に立ち向かった。
C1 noun ˈæ.sɛt ˌæl.əˈkeɪ.ʃən

asset allocation

資産配分
Meaning
An investment strategy that aims to balance risk and reward by apportioning a portfolio's assets according to an individual's goals, risk tolerance, and investment horizon.
Example
Proper asset allocation is key to financial growth.
正しい資産配分は、金融成長の鍵です。
C1 noun /ˈæmnəsti/

amnesty

アムネスティ
Meaning
An official pardon granted to people who have been convicted of political offenses.
Example
The government announced an amnesty for all political prisoners.
政府はすべての政治犯に対してアムネスティを発表しました。
B1 noun /ˈæmətər/

amateur

アマチュア
Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
その絵画は印象的に見えましたが、アマチュアによって描かれました。
A2 verb /əkˈsɛpt/

accept

受け入れる
Meaning
to receive willingly; to believe or come to recognize
Example
She decided to accept the job offer.
彼女は仕事の提案を受け入れることに決めた。
B1 verb /əˈsuːm/

assume

仮定する
Meaning
to think that something is true without proof
Example
I assume he will be late to the meeting.
私は彼が会議に遅れると仮定しています。
B2 adjective /əˈɡriːəbl/

Agreeable

快適な; 楽しい; 魅力的な; 同意する気持ち
Meaning
pleasant; enjoyable; delightful; willing to agree
Example
The weather is very agreeable today.
今日はとても快適な天気です。
B1 noun /ˈæŋkəl/

ankle

足首
Meaning
the joint connecting the foot with the leg
Example
He twisted his ankle while playing football.
彼はサッカーをしているときに足首を捻った。
C2 verb /ˈæmbl/

amble

ゆっくり歩く
Meaning
To walk at a slow, relaxed pace.
Example
They amble through the park on Sunday mornings.
彼らは日曜日の朝に公園をゆっくり歩いています。
C1 verb /ədˈmɪnɪstreɪt/

administrate

管理する
Meaning
to manage or supervise the execution of duties, laws, or resources; to formally give or apply something such as a test or medicine
Example
The committee will administrate the new policy across all departments.
委員会はすべての部門で新しい方針を管理する。
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。
B2 adjective /ˈæfluənt/

affluent

裕福
Meaning
having a great deal of money; wealthy
Example
She grew up in an affluent neighborhood.
彼女は裕福な地域で育ちました。
C1 noun /əˈlɒt.mənt/

allotment

割り当て、配分
Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
各部門はリソースの割り当てを受け取りました。
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。
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。
C1 noun /ˌæn.əˈnɪm.ə.ti/

anonymity

匿名
Meaning
The state of being anonymous; having one's identity kept secret or unknown.
Example
Online anonymity protects users from cyber threats.
オンライン匿名はユーザーをサイバー脅威から守ります。
C1 noun /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。
A2 verb /əˈreɪndʒ/

arrange

並べる
Meaning
to organize or put in order; to plan or prepare
Example
She arranged the flowers in a vase.
彼女は花を花瓶に並べた。
C1 noun /ˈæbdəmən/

abdomen

腹部
Meaning
The part of the body below the chest and above the hips that contains the stomach and other organs.
Example
He complained of pain in his abdomen.
彼は腹部の痛みを訴えました。
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
B2 adjective ˌæn.əlˈɪt.ɪ.kəl

analytical

分析的, 研究的, 論理的
Meaning
Using or skilled in using analysis (i.e., separating a whole—intellectual or substantial—into its elemental parts or basic principles).
Example
She has an analytical approach to problem-solving.
彼女は問題解決に分析的アプローチを取っています。
B2 noun əˈmend.mənts

amendments

修正案
Meaning
Changes or additions made to improve a text, law, or constitution.
Example
Amendments reflect evolving public needs.
修正案は進化する公共のニーズを反映しています。
B1 noun /əˈpruː.vəl/

approval

承認
Meaning
official permission or agreement for something
Example
The project received government approval.
そのプロジェクトは政府の承認を得た。
C2 noun /əˈnæθəmə/

anathema

アナセマ / 嫌悪された物
Meaning
something or someone intensely disliked or strongly condemned
Example
Violence is anathema to her peaceful nature.
暴力は彼女の平和的な性格にはアナセマです。
B2 noun /ˈɑːr.tɪ.zən/

Artison

職人
Meaning
a skilled craftsperson who makes things by hand
Example
The artisan created a beautiful wooden sculpture.
職人は美しい木彫りの彫刻を作りました。
C1 adjective /əˈwɒʃ/

awash

水浸し
Meaning
covered or flooded with water or something in large quantities
Example
The market was awash with cheap imported goods.
市場は安価な輸入品で水浸しだった。
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。
A1 noun /ˈæp.əl/

Apple

リンゴ
Meaning
a round fruit with red, green, or yellow skin and white flesh
Example
I eat an apple every day for breakfast.
私は毎朝、朝食にリンゴを食べます。
C1 noun /əˈstuːt.nəs/

astuteness

洞察力
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
彼の洞察力は交渉で役立った。
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。
C1 adjective /ˈærəbəl/

arable

耕作可能
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
農家は作物を拡大するために耕作可能な土地を購入しました。
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。
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。
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。
C2 adjective əˈdrɔɪt

adroit

器用な, 巧妙な, うまい
Meaning
clever or skillful in using the hands or mind.
Example
She is adroit at solving complex problems.
彼女は複雑な問題を解決するのが得意です。
A2 verb /əˈtækt/

attacked

攻撃した
Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
兵士たちは夜明けに敵を攻撃した。
B1 verb /əˈlɑːrm/

alarm

驚かせる
Meaning
to warn of danger; to frighten or disturb
Example
The loud noise alarmed the residents.
大きな音が住民を驚かせた。
B1 noun /əˌsoʊsiˈeɪʃən/

association

協会
Meaning
an organized group of people who have joined together for a common purpose
Example
She is a member of the local teachers' association.
彼女は地元の教師協会のメンバーです。
C1 noun /əˈstrɑː.lə.dʒər/

Astrologer

占星術師
Meaning
a person who studies astrology and makes predictions based on the positions of stars and planets
Example
The astrologer predicted good fortune in her future.
その占星術師は、彼女の未来に良い運命があると予測しました。
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。
B2 adjective, noun /ˈɛəriəl/

aerial

空中の / アンテナ
Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
パイロットは素晴らしい空中機動を行いました。
B1 adverb /ˌæbsəˈluːtli/

Absolutely

完全に; 完全に; 例外なく
Meaning
completely; totally; without exception
Example
I absolutely agree with your decision.
私はあなたの決定に完全に賛成です。
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 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。
C1 noun, verb /ˈɔːtɒpsi/

autopsy

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

aesthetical

美的な
Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
建築家は建物の美的なバランスに注目した。
B2 noun /eɪd/

aide

アシスタント
Meaning
An assistant or helper, especially to an important person.
Example
The senator’s aide organized the meeting with journalists.
上院議員のアシスタントがジャーナリストとの会議を組織しました。
C1 noun /ədˈhɪərənt/

adherent

支持者
Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
彼は民主的な価値観の強力な支持者です。
C2 adjective /ɔːˈrɪkjʊlər/

auricular

耳に関連する
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
医者は患者の体温を確認するためにオーリキュラー温度計を使用しました。
B2 noun /ədˈvɛntʃərər/

adventurer

冒険家
Meaning
a person who seeks exciting, risky, or unusual experiences; someone who explores new or unknown places
Example
The adventurer traveled deep into the jungle in search of ancient ruins.
その冒険家は古代遺跡を探してジャングルの奥深くへ旅した。
B1 adverb /ˈæftərwərd/

afterward

その後
Meaning
at a later time; subsequently
Example
We went to dinner and watched a movie afterward.
私たちは夕食に行き、その後映画を見ました。
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。
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。
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。
B2 noun /ˈænsestər/

Ancestor

先祖
Meaning
a person, typically one more remote than a grandparent, from whom one is descended
Example
She researched her family tree to learn about her ancestors.
彼女は家系図を調べて、先祖について学びました。
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。
C1 noun ˌɔːɡ.menˈteɪ.ʃən

augmentation

増加または拡張
Meaning
Increasing quantity, power or performance.
Example
The company invested in the augmentation of its workforce.
その会社は労働力の増強に投資しました。
B2 adverb /ˈæk.jə.rət.li/

Accurately

正確に、間違いなく、適切に
Meaning
in an exact way, without any mistakes; precisely; correctly
Example
She accurately predicted the outcome of the election.
彼女は選挙結果を正確に予測した。
B2 noun /əˈdʒʌstmənt/

adjustment

Meaning
a small change made to improve something or make it work better
Example
The doctor made an adjustment to the patient’s medication.
C1 adverb /ˈæm.ɪ.kə.bli/

Amicably

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

afflict

苦しめる
Meaning
to cause pain, suffering, or distress to someone or something
Example
Many people are afflicted by seasonal allergies.
多くの人々が季節性アレルギーに悩まされています。
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。
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。
C1 verb /əˈbriːvieɪt/

abbreviate

省略する
Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
私たちはよく 'Doctor' を 'Dr.' に省略します。
C1 noun /ˌæf.ɚˈmeɪ.ʃən/

affirmation

確認
Meaning
The action or process of affirming something or being affirmed; emotional support or encouragement.
Example
Daily affirmation of self-worth boosts confidence.
自己肯定の毎日の確認は自信を高めます。
C1 noun /ˈænvɪl/

anvil

鉄製の金床
Meaning
A heavy iron block used by blacksmiths for hammering and shaping metal.
Example
The blacksmith placed the hot iron on the anvil.
鍛冶屋は熱い鉄をアンヴィルに置きました。
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
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。
B1 adverb /əˈlaʊd/

Aloud

大声で
Meaning
in a voice that can be heard; not silently
Example
Please read the instructions aloud so everyone can hear.
指示を大声で読んで、皆が聞こえるようにしてください。
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 /ˌeɪˈmɔːrəl/

amoral

アモラル
Meaning
Lacking a moral sense; unconcerned with rightness or wrongness of something.
Example
The character in the novel was portrayed as completely amoral.
小説の登場人物は完全にアモラルとして描かれた。
C1 noun /ˈælkəmi/

alchemy

錬金術
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
中世の科学者たちは命を錬金術に捧げました。
C1 noun /ˈæŋɡwɪʃ/

anguish

苦悩
Meaning
Severe mental or physical pain or suffering.
Example
She was in deep anguish after hearing the tragic news.
悲しい知らせを聞いて、彼女は深い苦悩に沈んだ。
C1 noun /ˈæmfɪˌθiətər/

amphitheater

円形劇場
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
コンサートは古代の円形劇場で行われました。
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 /ˌɑːrtʃˈbɪʃəp/

archbishop

大司教
Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
アーチビショップは何千人もの人々に説教をしました。
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?
C1 noun ˈælərdʒən

allergen

アレルギー反応を引き起こす物質
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
花粉は多くの人々に影響を与える一般的なアレルゲンです。
C1 noun /əˈduː/

ado

騒ぎ / 不必要な活動
Meaning
a fuss or unnecessary activity; trouble or difficulty
Example
Without further ado, let’s begin the ceremony.
これ以上のアドなしで、式を始めましょう。
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。
B2 noun ˌæd.æpˈteɪ.ʃən

adaptation

適応
Meaning
The action or process of adapting or being adapted.
Example
Adaptation to climate change is critical for resilience.
気候変動への適応は回復力にとって重要です。
C1 noun /ˈɑːr.tər.i/

Artery

動脈
Meaning
a blood vessel that carries blood away from the heart to other parts of the body
Example
The doctor checked the pulse in his artery.
医者は彼の動脈で脈拍を確認した。
C1 noun ˈæf.lu.əns

affluence

富裕
Meaning
The state of having a great deal of money; wealth.
Example
His affluence allowed him to travel the world.
彼の富は世界中を旅することを可能にしました。
C1 noun əˈrɪd.ɪ.ti

aridity

干ばつ
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
気候変動の影響で土地の干ばつが進行しています。
B2 noun /ˈɑːrtɪˌfækt/

artifact

遺物
Meaning
an object made by humans, typically of historical or cultural interest
Example
The museum displayed ancient artifacts from Egypt.
博物館はエジプトの古代のアーティファクトを展示しました。
B1 adjective /ədˈvɛnʧərəs/

adventurous

冒険的な
Meaning
Willing to take risks or try out new methods, ideas, or experiences.
Example
They participated in adventurous activities like kayaking and hiking.
彼らはカヤックやハイキングなどの冒険的な活動に参加しました。
C2 noun /ˌæpəˈzɪʃən/

apposition

同格 (並列文法)
Meaning
a grammatical construction in which two elements are placed side by side, with one explaining the other
Example
In the phrase 'my friend John,' the word 'John' is in apposition to 'my friend.'
'私の友人ジョン'というフレーズでは、'ジョン'という単語が'私の友人'とアポジションにあります。
C1 noun /əˈdʒeɪsənsi/

adjacency

隣接性
Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
二つの建物の隣接性は、それらを接続するのを簡単にしました。
B2 noun ˈæmbɪəns

ambience

雰囲気
Meaning
The character and atmosphere of a place.
Example
The restaurant's ambience was relaxed and inviting, perfect for a casual dinner.
レストランの雰囲気はリラックスしていて、カジュアルなディナーに最適でした。
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'.
A2 noun /ˈæk.ʃənz/

actions

行動
Meaning
The fact or process of doing something, typically to achieve an aim.
Example
Immediate actions are needed for pollution control.
汚染防止のために即時の行動が必要です。
B2 adjective + noun æmˈbɪʃəs ɪnˈdevər

ambitious endeavor

野心的な試み
Meaning
A bold and determined attempt to achieve something challenging.
Example
Artemis is an ambitious endeavor in space exploration.
アルテミスは宇宙探査における野心的な取り組みです。
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。
B2 verb /əˈlaɪn/

align

整列する / 直線にする
Meaning
To arrange things in a straight line; to adjust or bring into proper relation or agreement.
Example
The manager asked the team to align their goals with the company's mission.
マネージャーはチームに目標を会社のミッションに合わせるように言いました。
B2 noun /əkˈnɒlɪdʒmənt/

acknowledgement

承認
Meaning
the act of recognizing or accepting something as true or valid; an expression of gratitude or recognition
Example
She received an acknowledgement for her contribution to the project.
彼女はプロジェクトへの貢献に対して承認を受けた。
B2 adjective /əˈlɑːrmɪŋ/

alarming

警戒すべき
Meaning
Worrying or disturbing; causing concern or fear.
Example
The unemployment rate among youth is alarming.
若者の失業率は警戒すべきです。
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 adjective /ɔːˈstɪə/

austere

厳格、簡素
Meaning
Severe or strict in manner, attitude, or appearance; plain and simple.
Example
The monk lived an austere life in the mountains.
修道士は山中で厳格な生活を送った。
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。
B2 noun əˈlaɪ.əns

alliance

同盟
Meaning
A union or association formed for mutual benefit, especially between countries or organizations.
Example
Global alliances promote environmental sustainability.
グローバルアライアンスは環境の持続可能性を促進します。
C1 adjective ˌæɡrɪˈkʌltʃərəli sɪɡˈnɪfɪkənt

agriculturally significant

農業に関連する重要な
Meaning
Important or crucial related to farming and agriculture
Example
Winter is agriculturally significant for crop production.
冬は作物生産にとって農業に関連する重要な時期です。
B2 noun /ˈeɪkər/

acre

Meaning
a unit of land area equal to 4,840 square yards (about 4,047 square meters)
Example
The farmer owns five acres of fertile land.
A2 noun /ˈeə.ri.ə/

area

Meaning
a particular region or space; the extent of a surface
Example
This area is known for its beautiful parks.
C2 verb /əˈlɪtəreɪt/

alliterate

頭韻を踏む
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
詩人はしばしばリズムを作り出すために言葉をアリテレートします。
C1 adverb /əˈkjuːtli/

acutely

鋭く
Meaning
in a sharp, intense, or severe way; with keen awareness
Example
She was acutely aware of the risks involved.
彼女はその危険性を鋭く認識していた。