aquatic
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
B2 adjective əˈkwætɪk

aquatic

水生の
Meaning
Growing or living in or near water; of or relating to water.
Example
Aquatic species are being endangered by pollution.
水生種は汚染によって危機に瀕しています。
C1 noun /ˈælɔɪ/

alloy

合金
Meaning
A mixture of metals or a metal combined with another element.
Example
Bronze is an alloy of copper and tin.
ブロンズは銅とスズの合金です。
C1 noun /ˈeɪθiɪzəm/

atheism

無神論
Meaning
The belief that there is no God or gods.
Example
He declared his atheism openly despite social pressure.
彼は社会的圧力にもかかわらず、自分の無神論を公に宣言した。
C2 noun /ˈeə.rəm/

Arum

アラム
Meaning
a plant with large arrow-shaped leaves and a white spathe, also known as taro
Example
Arum leaves are commonly used in Bengali cuisine for cooking.
アラムの葉はインディア料理でよく使われます。
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

完全に理解し吸収する; 知識や文化に統合する
Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
移民はしばしば新しい文化に適応するのに苦労しています。
C1 preposition /əˈtɒp/

atop

上に
Meaning
on the top of something
Example
A flag was placed atop the tower.
旗は塔の上に置かれました。
C2 noun /ˈæn.oʊd/

anode

正極
Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
バッテリーの正極は長期間の使用後に腐食していました。
A1 determiner/pronoun /ˈɛni/

any

いずれかの
Meaning
one, some, or all, without specifying which
Example
Do you have any questions?
何か質問はありますか?
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。
C2 noun /æbˈsɪʒən/

abscission

葉の落下
Meaning
The natural detachment of parts of a plant, typically leaves or fruit.
Example
The autumn season is marked by the abscission of leaves from trees.
秋は木々から葉が落ちることで特徴づけられます。
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 /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 /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。
B2 adjective, noun /ədˈvaɪzəri/

advisory

アドバイザリー
Meaning
(adjective) having the power to give advice but not to make sure that it is followed; (noun) an official announcement containing information or a warning
Example
The committee serves in an advisory capacity to the board of directors.
委員会は取締役会にアドバイザリーの役割を果たしています。
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。
B2 noun ˌæs.pɪˈreɪ.ʃən

aspiration

志望
Meaning
A hope or ambition of achieving something, a strong desire or goal to achieve something.
Example
His aspiration is to become a successful entrepreneur.
彼のアスピレーションは成功した起業家になることです。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
B2 verb /əˈkɒmədeɪt/

accommodate

収容する
Meaning
To provide lodging, space, or meet the needs of someone.
Example
The hotel can accommodate up to 200 guests.
ホテルは最大200人を収容できます。
C1 noun /ˌænɛkˈseɪʃən/

annexation

併合
Meaning
the act of adding or taking control of territory or property, especially by a state
Example
The annexation of the region led to international condemnation.
その地域の併合は国際的な非難を招いた。
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。
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。
B1 verb /əˈpruːv/

approve

承認する
Meaning
to officially agree to or accept something; to give permission
Example
The committee will approve the new policy tomorrow.
委員会は明日新しい方針を承認します。
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 verb /əˈbʌt/

abut

隣接する
Meaning
to be next to or share a border with
Example
The park abuts the river on the north side.
公園は北側で川と隣接しています。
A2 adverb /əˈpɑːrt/

Apart

別々に; お互いに遠く; ピースに
Meaning
separately; away from each other; in pieces
Example
The two buildings are far apart from each other.
2つの建物はお互いに遠く離れています。
B1 noun/verb /əˈwɔːrd/

award

Meaning
a prize or recognition given for an achievement; to give a prize or recognition
Example
She received an award for her outstanding performance.
彼女は優れたパフォーマンスで賞を受けました。
C1 noun /ˈɔːnɪŋ/

awning

オーニング
Meaning
a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain
Example
We sat under the awning to avoid the heavy rain.
私たちは大雨を避けるためにオーニングの下に座っていました。
A2 adjective /ˈæfrɪkən/

african

アフリカの
Meaning
relating to Africa or its people
Example
She studied African culture in university.
彼女は大学でアフリカの文化を学びました。
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 /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 verb /əˈsɜːrt/

assert

主張する
Meaning
to state a fact or belief confidently and forcefully; to insist upon rights or claims
Example
She decided to assert her authority in the meeting.
彼女は会議で自分の権威を主張することに決めた。
B1 noun /ɑːrmz/

Arms

武器
Meaning
weapons and ammunition; firearms
Example
The soldiers carried their arms into battle.
兵士たちは戦闘に武器を持ち込んだ。
A2 verb /ˈɑːrɡjuː/

argue

議論する
Meaning
to have a disagreement; to present reasons for or against
Example
They often argue about politics.
彼らはよく政治について議論します。
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 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 /əˈmælɡəmeɪt/

amalgamate

合併する
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
二つの会社は運営を合併することを決定しました。
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 adjective /ˌædvənˈteɪdʒəs/

Advantageous

有利な; 便利な; 利益を生む
Meaning
beneficial; favorable; profitable
Example
This position offers advantageous opportunities for career growth.
このポジションはキャリアの成長のための有利な機会を提供します。
C2 noun /ˈændaɪərn/

andiron

木材を支える金属製のスタンド
Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
古い暖炉のアンダイロンの上に木材が置かれていた。
B1 adjective /əˈfɔːdəbl/

affordable

手頃な
Meaning
inexpensive and within one's financial means
Example
This restaurant offers affordable meals for families.
このレストランは家族向けに手頃な価格の食事を提供しています。
C1 noun /əˈrɪəz/

arrears

未払い
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
彼女は電気代の未払いが数ヶ月遅れていた。
C2 noun /əˈbrɪdʒmənt/

abridgment

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

ailment

病気
Meaning
An illness, typically a minor one.
Example
He went to the doctor for a minor stomach ailment.
彼は軽い胃の病気のために医者に行った。
C1 adjective ˈæl.ɡə.rɪ.ðəm drɪv.ən

algorithm-driven

アルゴリズムによって駆動される。
Meaning
Controlled or powered by computer algorithms.
Example
Algorithm-driven systems increase accuracy.
アルゴリズム駆動システムは精度を向上させる。
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

放棄する
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
彼女はチームのために自分の個人的な利益を放棄することを選びました。
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

真正性
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
文書の真正性が確認されました。
C2 adjective /əˈkɜːrsɪd/

accursed

呪われた
Meaning
Doomed, detestable, or under a curse.
Example
The villagers avoided the accursed house on the hill.
村人たちは丘の上の呪われた家を避けていた。
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。
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。
C1 verb /əbˈsteɪn/

abstain

自制する
Meaning
To restrain oneself from indulging in or partaking of something.
Example
People often abstain from digital devices to enhance focus.
人々は集中力を高めるためにデジタル機器を使うのを自制することがよくあります。
B2 verb /əˈspaɪər/

aspire

志す
Meaning
to have a strong desire to achieve something
Example
Many students aspire to study abroad.
多くの学生が海外で勉強することを目指しています。
C2 adjective /æbˈstruːs/

abstruse

難解
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
哲学的議論の難解な性質は多くの人々を困惑させた。
B1 noun /əˈpɒlədʒi/

apology

Meaning
a statement expressing regret for something wrong or hurtful
Example
He offered an apology for being late to the meeting.
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。
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。
C2 noun /əˈmʊr/

amour

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

affront

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

aquiline

ワシのくちばしのような
Meaning
curved like an eagle's beak; hooked
Example
He had an aquiline nose that gave him a distinguished appearance.
彼はワシのくちばしのような鼻を持っており、それが彼に優れた外見を与えていました。
C1 noun /əˈpærəl/

apparel

衣服
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
その店は結婚式の衣服を専門に扱っています。
C1 verb /ˈæk.lɪ.meɪt/

acclimate

順応する
Meaning
To adapt or become accustomed to a new environment or situation
Example
It takes time to acclimate to a new climate.
新しい気候に順応するには時間がかかります。
B2 verb /əˈbændən/

abandon

放棄する
Meaning
to give up completely; to leave permanently
Example
They had to abandon their house due to flooding.
彼らは洪水のために家を放棄しなければならなかった。
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。
B2 adverb /əˈdɪʃənəli/

additionally

さらに
Meaning
in addition to what has been said or done
Example
Additionally, we offer discounts for early bookings.
さらに、私たちは早期予約に対する割引を提供しています。
C1 noun /ˈæmpɛər/

ampere

アンペア
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
ワイヤーを流れる電流はアンペアで測定されます。
B2 verb /ˈɔːθəraɪz/

authorize

承認する
Meaning
to give official permission or approval for something
Example
The manager will authorize the payment tomorrow.
マネージャーは明日支払いを承認します。
C2 adjective /eɪˈsɛfələs/

acephalous

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

abed

ベッドで
Meaning
in bed
Example
She stayed abed all day due to illness.
病気のため、彼女は一日中ベッドで寝ていました。
C2 noun /əˈplɒm/

aplomb

Meaning
Complete and confident self-assurance or poise.
Example
She handled the difficult questions with aplomb.
B2 noun /ˈeɪ.prən/

apron

Meaning
A protective garment worn over the front of one's clothes to keep them clean, especially while cooking.
Example
She tied an apron around her waist before cooking dinner.
C2 verb /əˈreɪn/

arraign

起訴する
Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
容疑者は今朝、裁判官の前で起訴されました。
C1 verb /ˈæn.ɛks/

annex

併合する
Meaning
To take control of a territory and add it to one's own.
Example
The empire annexed the neighboring kingdom after the war.
帝国は戦争後、隣国を併合した。
A2 preposition /əˈɡɛnst/ or /əˈɡeɪnst/

against

Meaning
In opposition to; contrary to; touching or resting on.
Example
They voted against the proposal.
B2 adjective /əˈtɒm.ɪk/

Atomic

原子
Meaning
relating to atoms or atomic energy; extremely small
Example
The atomic structure of hydrogen is the simplest.
水素の原子構造は最も単純です。
C1 verb /ˈæmbʊʃ/

ambush

待ち伏せする
Meaning
To attack suddenly and unexpectedly from a hidden position.
Example
The soldiers planned to ambush the enemy at dawn.
兵士たちは夜明けに敵を待ち伏せする計画を立てた。
C2 adjective/adverb /ˌæ.prəˈpoʊ/

apropos

適切
Meaning
Appropriate to the situation; relevant. As an adverb, it means 'with reference to' or 'regarding'.
Example
His comments were not apropos of the discussion.
彼のコメントは議論には適切ではなかった。
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 noun /ænˈtɪpədiːz/

antipodes

Meaning
places on opposite sides of the Earth; also refers to things that are direct opposites
Example
Australia and Britain are often considered antipodes of each other.
B2 adjective /əˈkjuːt/

acute

急性
Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
手術後、患者は激しい痛みを感じました。
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。
A2 adjective /ˈɔːfəl/

awful

ひどい
Meaning
very bad or unpleasant
Example
The weather was awful during our trip.
旅行中、天気はひどかった。
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 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 noun /əˈseɪlənt/

assailant

攻撃者
Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
警察は現場で攻撃者を逮捕しました。
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。
B1 noun /ˈækses/

Access

アクセス
Meaning
the ability, right, or permission to approach, enter, or pass to and from a place
Example
Students have access to the library 24 hours a day.
学生は24時間いつでも図書館にアクセスできます。
C1 adjective /ˌæntiˈsleɪvəri/

antislavery

奴隷制度反対
Meaning
Opposed to the practice or system of slavery.
Example
The antislavery movement gained momentum in the 19th century.
奴隷制度反対運動は19世紀に勢いを増した。
C2 noun /ˈæntiruːm/

anteroom

控えの間
Meaning
A small room leading to a main one, often used as a waiting area.
Example
The guests waited in the anteroom before being called inside.
客たちは中に呼ばれる前に控えの間で待っていた。
C2 adjective /æmˈbroʊʒiəl/

ambrosial

神々しい
Meaning
Exceptionally pleasing to taste or smell; divine.
Example
The aroma of freshly baked bread was simply ambrosial.
焼きたてのパンの香りはまさに神々しいものでした。
C1 verb /ɔːɡˈmɛnt/

augment

増加させる
Meaning
To increase or strengthen something.
Example
The company plans to augment its workforce.
会社は労働力を増加させる計画を立てています。
C1 adjective /ˌeɪθiˈɪstɪk/

atheistic

無神論的
Meaning
Relating to or characteristic of atheists or atheism.
Example
She grew up in an atheistic household with no religious rituals.
彼女は宗教的な儀式のない無神論的な家庭で育ちました。
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 /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。
B2 adjective əˈstaʊn.dɪŋ

astounding

驚くべき、衝撃的な、すばらしい
Meaning
Surprisingly impressive or notable; causing shock or surprise.
Example
The magician's astounding tricks left the audience speechless.
魔法使いの驚くべきトリックは観客を言葉を失わせました。
C2 noun /ˈeɪ.pi.ˌɛr.i/

apiary

養蜂場
Meaning
A place where beehives are kept, especially for commercial purposes.
Example
The farmer built a new apiary to produce organic honey.
農家は有機蜂蜜を生産するために新しい養蜂場を建てました。
A2 noun /əˈsɪstənt/

assistant

アシスタント
Meaning
a person who helps or supports another, often in a job
Example
She works as an assistant in a law firm.
彼女は法律事務所でアシスタントとして働いています。
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。
A1 noun /ˈeɪprɪl/

april

4月
Meaning
the fourth month of the year in the Gregorian calendar
Example
April is known for its pleasant spring weather.
4月は心地よい春の天気で知られています。
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 adjective /ˈɔː.də.bəl/

Audible

聞こえる
Meaning
able to be heard; loud enough to hear
Example
The speaker's voice was barely audible from the back of the large hall.
スピーカーの声は大きなホールの後ろからほとんど聞こえませんでした。
C1 adjective /əˈrɛstɪŋ/

arresting

魅力的な
Meaning
Attracting attention in a striking or impressive way.
Example
The actress gave an arresting performance.
女優は魅力的な演技をしました。
B2 noun /ˈæŋkər/

Anchor

アンカー
Meaning
a heavy object used to moor a vessel to the sea bottom; a person or thing that provides stability or confidence
Example
The ship dropped its anchor in the harbor.
船は港にアンカーを下ろしました。
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。
B1 noun /əˈsaɪnmənt/

assignment

課題
Meaning
a task or piece of work given to someone as part of their duties
Example
The students completed their homework assignment on time.
学生たちは時間通りに宿題を終わらせました。
A2 noun əˈpɔɪnt.mənts

appointments

任命
Meaning
An arrangement to meet someone at a particular time and place; the action of assigning a job or role to someone.
Example
Government appointments follow meritocracy.
政府の任命は功績に基づいて行われる。
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 noun /əˈsɪdɪti/

acidity

酸性度
Meaning
the quality or degree of being acidic; the amount of acid present in a substance
Example
The acidity of the soil affects how well crops grow.
土壌の酸性度は作物の成長に影響する。
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。
C1 noun /ˌæntɪˈsiːdənt/

antecedent

先例
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
この祭りの文化的な先例は何世紀も前に遡ります。
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 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 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

健康な体
Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
その会社は建設現場のために健康な体を持つ労働者を探しています。
B2 adjective /ˈeɪ.li.ən/

alien

エイリアン
Meaning
Belonging to a foreign country or nation; extraterrestrial.
Example
The telescope is capable of detecting alien signals.
望遠鏡はエイリアンの信号を検出することができます。
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。
C1 noun /ˈeɪ.nəs/

Anus

肛門
Meaning
the opening at the end of the digestive tract through which waste leaves the body
Example
The doctor examined the patient's anus during the medical checkup.
医者は診察中に患者の肛門を調べました。
B2 adjective /əˈten.tɪv/

Attentive

注意深い; 用心深い; 観察力のある
Meaning
careful to pay attention; alert and observant
Example
The attentive student listened carefully to every word the teacher said.
注意深い学生は、教師が言ったすべての言葉に注意深く耳を傾けました。
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。
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 noun /ænˈtɪθəsɪs/

antithesis

アンチテーゼ
Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
愛は憎しみのアンチテーゼです。
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。