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C1 verb /ɪnˈʃraɪn/

enshrine

何かを神聖または重要として保存または敬う
Meaning
to preserve or cherish something as sacred or important
Example
The constitution enshrines the right to freedom of speech.
憲法は言論の自由の権利を保護しています。
C2 verb /ɪˈspaɪ/

espy

見る
Meaning
To catch sight of or notice something, especially from a distance.
Example
From the hilltop, she espied a small village in the valley.
丘の頂上から、彼女は谷間に小さな村を見つけました。
C2 verb /ɪˈmeɪʃieɪt/

emaciate

衰弱させる
Meaning
To make abnormally thin or weak, usually because of illness or lack of food.
Example
The prisoners were emaciated after months without proper food.
囚人たちは数ヶ月間適切な食事がなくて衰弱していました。
B1 adverb /ɪˈfɛktɪvli/

effectively

効果的に
Meaning
in a way that produces the desired result; efficiently and successfully
Example
The team worked together effectively to finish the project on time.
チームはプロジェクトを時間通りに終わらせるために効果的に一緒に働きました。
B2 verb /ˈɛmɪˌɡreɪt/

emigrate

移住する
Meaning
To leave one's own country in order to settle permanently in another.
Example
Many people emigrated from Europe to America in the 19th century.
多くの人々は19世紀にヨーロッパからアメリカに移住しました。
B1 adjective ɪkˈstriːm

extreme

極端
Meaning
Reaching a high or the highest degree; very great.
Example
Extreme weather patterns disrupt ecosystems.
極端な気象パターンは生態系を乱します。
C1 verb /ɪnˈdɪr/

endear

好かれるようにする
Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
彼女の優しさと寛大さは、彼女を地域社会に好かれるようにした。
B1 adjective /ɪˈsɛnʃəl/

essential

必要不可欠
Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
水は生命にとって必要不可欠です。
B1 noun /ɪˈlɛkʃən/

election

選挙
Meaning
The process of choosing someone for public office by voting.
Example
The election will be held next month.
選挙は来月行われます。
A2 noun /ɪˌlɛkˈtrɪsɪti/

electricity

電気
Meaning
A form of energy resulting from the existence of charged particles.
Example
The storm caused a power cut and we had no electricity.
嵐で停電し、電気がありませんでした。
C2 verb /ɪnˈvaɪərən/

environ

囲む
Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
山々は小さな谷を囲んでいます。
B2 verb /ɪˈvoʊk/

evoke

呼び起こす
Meaning
to bring a feeling, memory, or image into the mind
Example
The old song evoked memories of her childhood.
その古い歌は彼女の子供時代の思い出を呼び起こしました。
B2 verb /ɪmˈbɑːrk/

embark

乗り出す
Meaning
to begin a journey, project, or activity
Example
She decided to embark on a new career in medicine.
彼女は医学の新しいキャリアを始める決断を下しました。
B1 noun ˈem.fə.sɪs

emphasis

強調
Meaning
Special importance, value, or prominence given to something; stress laid on a particular point or aspect.
Example
The speaker placed emphasis on sustainable development.
スピーカーは持続可能な開発に強調を置きました。
B2 noun /ˈɪə.rə/

Era

時代
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
ルネサンスは大きな芸術的および文化的業績の時代でした。
B1 noun ɪmˈplɔɪmənt

employment

雇用
Meaning
The condition of having paid work; the action of giving work to someone.
Example
Employment was limited to Urdu speakers.
雇用はウルドゥ語を話す人々に限定されていました。
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

均衡
Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
市場は供給と需要の間で均衡を達成しました。
C1 noun /ˈiːɡoʊˌtɪzəm/

egotism

エゴイズム
Meaning
The practice of talking and thinking about oneself excessively because of an inflated sense of self-importance.
Example
His constant boasting revealed his egotism.
彼の絶え間ない自慢は、彼のエゴティズムを明らかにした。
C2 verb /ˈɛmɪt/

emmet

アリ
Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
アリは食べ物を巣に運びました。
B2 noun ˈekwɪti

equity

エクイティ
Meaning
The value of the shares issued by a company.
Example
Owning equity in a company can yield significant returns.
会社の株式を所有することは、重要なリターンをもたらす可能性があります。
A2 noun /ɪkˈspɪə.ri.əns/

Experience

経験
Meaning
practical contact with and observation of facts or events; knowledge gained through involvement
Example
Her years of teaching experience made her an excellent mentor for new teachers.
彼女の何年もの教職経験は、新しい教師たちにとって優れたメンターとなりました。
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
B1 noun /ɪkˈspres treɪn/

Express Train

エクスプレス列車
Meaning
a fast train that travels between major stations with few or no intermediate stops
Example
The express train reached the destination in half the usual time.
エクスプレス・トレインは通常の半分の時間で目的地に到着しました。
A2 noun ˌedʒ.ʊˈkeɪ.ʃən

education

教育
Meaning
The process of receiving or giving systematic instruction, especially at a school or university.
Example
Quality education is key to progress.
質の高い教育は進歩の鍵です。
C1 verb /ˈɛkˌsaɪz/

excise

切除する
Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
外科医は腫瘍を成功裏に切除しました。
B2 adjective /ɪˈlɛktərəl/

electoral

選挙の
Meaning
related to elections or voting
Example
The electoral process in the country has been reformed in recent years.
その国の選挙プロセスは近年改革されました。
C2 verb /ˈɛkskʌlpeɪt/

exculpate

免罪する
Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
弁護士はクライアントを無罪にするために懸命に働いた。
C1 adjective ɪˈræt.ɪk

erratic

不規則
Meaning
Unpredictable and inconsistent; not even or regular in pattern or movement.
Example
His erratic behavior confused his colleagues.
彼のエラティックな行動は、同僚たちを混乱させました。
C1 verb /ɛtʃ/

etch

刻む
Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
アーティストはガラスに自分のイニシャルを刻みました。
C1 noun /ˈek.saɪl/

Exile

亡命
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
軍事クーデターの後、政治的リーダーは亡命を強制された。
C1 adjective /ˈɜːrstwaɪl/

erstwhile

かつての
Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
彼らはかつての友達でしたが、今は話しません。
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

耐えられる
Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
適切な薬で痛みは耐えられました。
C2 noun /ˈiːən/

eon

エオン
Meaning
an indefinitely long period of time; an age
Example
Dinosaurs lived millions of years ago, in a different eon.
恐竜は何百万年も前に、異なるエオンで生きていました。
B2 verb /ɪˈnækt/

enact

制定する
Meaning
to make into law; to perform or act out
Example
The government decided to enact a new policy on education.
政府は教育に関する新しい政策を制定することを決定しました。
C1 adjective /ɪɡˈzæspəˌreɪtɪd/

exasperated

非常にいらいらした
Meaning
greatly annoyed or irritated
Example
She gave him an exasperated look after his repeated mistakes.
彼女は繰り返しのミスの後、彼に非常にいらいらした視線を送った。
C2 verb ɪɡˈzɔːrt

exhort

強く促す
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
先生は学生たちに試験のために一生懸命勉強するよう促した。
B2 verb /ɪnˈtaɪtəl/

entitle

権利を与える
Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
従業員は有給休暇を受ける権利があります。
A2 noun /ˈel.ɪ.fənt/

Elephant

象
Meaning
a very large gray mammal with long curved teeth and a long nose called a trunk
Example
The elephant is the largest land animal in the world.
象は世界で最も大きな陸生動物です。
A2 noun/verb /ˌɛndʒɪˈnɪər/

engineer

エンジニア
Meaning
A person trained to design, build, or maintain engines, machines, or structures; to skillfully arrange or bring about.
Example
The engineer designed a new bridge across the river.
エンジニアは川を越える新しい橋を設計しました。
C2 noun /ɪnˈkʌmbrəns/

encumbrance

負担 / 障害
Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
借金は人生で深刻な障害となる可能性があります。
C1 adjective /ɪɡˈzɔːstɪv/

exhaustive

包括的で完全な
Meaning
Fully comprehensive and including all possibilities.
Example
The report provides an exhaustive analysis of the issue.
その報告書は問題に関する包括的な分析を提供します。
B2 noun ɪˈmɪʃ.ən

emission

排出
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
自動車メーカーはカーボン排出を減らしています。
C2 verb /ɪkˈspɛktəreɪt/

expectorate

痰を吐く
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
患者は濃い粘液を吐き始めました。
C1 verb /ɪmˈbrɔɪl/

embroil

巻き込む
Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
その政治家は大規模な汚職スキャンダルに巻き込まれました。
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
C2 adjective /ˈɛksplɪkəbəl/

explicable

説明可能な
Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
彼の突然の怒りは、ストレスの多い状況を考慮すれば説明可能だった。
C1 verb /ɪkˈstoʊl/

extol

称賛する
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
先生は生徒の献身と努力を称賛しました。
B2 noun ˈikoʊ ˈfrɛndli tɛkˈnɑləʤiz

eco-friendly technologies

エコフレンドリー技術
Meaning
Technologies that are designed to minimize environmental impact and promote sustainability.
Example
Eco-friendly technologies can mitigate pollution.
エコフレンドリー技術は汚染を軽減することができます。
C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

反対する
Meaning
to express strong disapproval or disagreement
Example
She expostulated with her friend about the risky decision.
彼女は友人に対してリスクのある決定について反対しました。
B2 noun ɪnˈhɑːns.mənt

enhancement

向上
Meaning
An increase or improvement in quality, value, or extent.
Example
Enhancement of education quality is vital.
教育の質の向上は非常に重要です。
B2 noun ɪˌvæljuˈeɪʃən

evaluation

評価
Meaning
The making of a judgment about the amount, number, or value of something; assessment.
Example
Accurate evaluation helps determine resource sustainability.
正確な評価は、資源の持続可能性を決定するのに役立ちます。
C2 noun /juːˈdʒen.ɪks/

eugenics

優生学
Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
優生学は歴史的にその非倫理的な応用について批判されてきました。
C1 adjective /ˈɜːrθ.li/

Earthly

地上的; 世俗的; 物質的
Meaning
relating to the earth or human life; worldly; material rather than spiritual
Example
He focused on earthly pleasures rather than spiritual growth.
彼は精神的成長よりも地上的な楽しみに集中した。
C1 adjective /ɪˈmɜːrdʒənt/

emergent

新興
Meaning
just coming into existence or becoming prominent
Example
The emergent startup quickly attracted investors.
新興のスタートアップはすぐに投資家を引き付けました。
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

胚芽の
Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
そのプロジェクトはまだ胚芽段階にあります。
B2 noun /ˌek.əˈnɒm.ɪk səˌsteɪ.nəˈbɪl.ə.ti/

economic sustainability

経済の持続可能性
Meaning
The ability of an economy to support a defined level of economic production indefinitely.
Example
Economic sustainability drives long-term growth.
経済の持続可能性は長期的な成長を促進する。
A2 noun /ˈen.ə.mi/

Enemy

敵
Meaning
a person who is actively opposed or hostile to someone or something
Example
In the story, the hero had to face his greatest enemy.
物語の中で、英雄は最も大きな敵に立ち向かわなければならなかった。
B2 verb /ɪˈvɑːlv/

evolve

Meaning
to develop gradually, especially into a more complex or advanced state
Example
Over time, the company evolved into a global brand.
C1 verb /ˈɛkstrəˌdaɪt/

extradite

引き渡す
Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
政府はその逃亡者を自国に引き渡すことに同意した。
C1 noun /ɪkˈstrækʃən/

extraction

抽出
Meaning
the act of removing something, especially by pulling it out
Example
The extraction of oil from the ground requires special equipment.
地面からの石油の抽出には特別な機器が必要です。
C2 verb /ɪɡˈzɪləreɪt/

exhilarate

興奮させる
Meaning
To make someone feel very happy, animated, or excited.
Example
The mountain view exhilarated the travelers.
山の景色は旅行者を興奮させました。
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
C2 adjective /ɪˈfɛmɪnət/

effeminate

女性的
Meaning
Having traits, tastes, or habits traditionally considered feminine, often used negatively for men.
Example
The critics described him as effeminate due to his gentle manner.
批評家は彼の優しい態度を理由に彼を女性的だと表現した。
C1 noun /ˈek.stə.si/

Ecstasy

エクスタシー
Meaning
an overwhelming feeling of great happiness or joyful excitement
Example
She was in complete ecstasy when she heard the good news.
彼女は良いニュースを聞いて完全にエクスタシーに浸っていました。
B2 noun /ˈiː.ɡoʊ/

Ego

エゴ; 自尊心
Meaning
a person's sense of self-esteem or self-importance
Example
His big ego prevented him from accepting criticism from others.
彼の大きなエゴは、他人からの批判を受け入れるのを妨げていた。
C2 noun /ˌɛksaɪˈteɪʃən/

excitation

興奮
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
そのニュースはファンの間で大きな興奮を引き起こしました。
A2 noun /ɪˈvent/

event

出来事
Meaning
something that happens, especially something important
Example
The concert was the biggest event of the year.
コンサートは今年最大の出来事でした。
C2 verb /ɪsˈtʃuː/

eschew

避ける
Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
彼女は健康的な食事のためにジャンクフードを避けることを選びました。
B1 noun /ɪˌlɛkˈtrɒnɪks/

electronics

エレクトロニクス
Meaning
the branch of physics and technology dealing with circuits and devices using transistors, microchips, and other components
Example
He studied electronics at university.
彼は大学でエレクトロニクスを学びました。
B1 noun /ˈɛpɪsoʊd/

episode

エピソード
Meaning
An event or part of a story, or one installment in a series.
Example
The last episode of the drama was watched by millions.
そのドラマの最後のエピソードは何百万もの人々によって観られました。
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

退屈
Meaning
A feeling of boredom, listlessness, or dissatisfaction arising from lack of excitement.
Example
After weeks of doing nothing, he sank into a deep sense of ennui.
何もせずに数週間後、彼は深い退屈に沈んだ。
C2 noun /ˈɛmbəˌlɪzəm/

embolism

塞栓
Meaning
the sudden blockage of a blood vessel by a clot or other foreign matter
Example
The patient suffered a fatal pulmonary embolism.
患者は致命的な肺塞栓を患った。
B1 noun /ɪɡˈzɪs.təns/

Existence

存在
Meaning
the fact or state of living or having objective reality; being alive
Example
Scientists are searching for evidence of life's existence on other planets.
科学者たちは他の惑星で生命の存在の証拠を探しています。
B2 adjective ɪkˈsɛsɪv

excessive

過度の
Meaning
More than is necessary, normal, or desirable; immoderate.
Example
Excessive population growth leads to resource depletion.
過度の人口増加は資源の枯渇を引き起こします。
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

エネルギーの安全保障
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
エネルギーセキュリティは一貫した供給を確保します。
C1 noun ˌɛkstərˈnælɪtiz

externalities

外部性
Meaning
A side effect or consequence of an industrial or commercial activity.
Example
Pollution is a negative externality of industrialization.
汚染は産業化の負の外部性です。
C2 adjective /ɪkˈsɛpʃənəbl/

exceptionable

受け入れられない
Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
彼の無礼な発言は、出席していた全員にとって不適切だと見なされた。
B1 noun /ɪkˈsten.ʃən/

Extension

延長; 拡張
Meaning
the action of extending something; additional time or space
Example
The professor granted an extension for the assignment deadline.
教授は課題の締め切りに対して延長を許可しました。
B2 verb /ɪkˈstrækt/

extract

抽出する
Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
歯医者は損傷した歯を抜かなければならなかった。
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

効果的な
Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
ワクチンは感染を予防するのに非常に効果的であることが証明されました。
B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

エコロジカル
Meaning
Relating to ecology or the environment.
Example
Deforestation threatens the ecological balance of the planet.
森林伐採は地球の生態学的バランスを脅かしています。
B2 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

エコツーリズム
Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
エコツーリズムは自然地域への責任ある旅行を促進します。
C1 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

苛立ち
Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
彼は同じ言い訳をまた聞かされて、苛立ちのあまりため息をついた。
C1 noun /ˌekspəˈzɪʃən/

exposition

説明 / 展覧会
Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
科学者は理論を明確に説明しました。
C2 noun /ɪˈlɪksər/

elixir

エリクシール
Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
古代の伝説は、永遠の若さを与えることができるエリクシールについて語っていました。
C1 noun /ɪˈklɪps/

Eclipse

日食 (太陽または月)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
完全な太陽日食は数分間空を暗くしました。
C1 adjective ɪɡˈzɛmpləri

exemplary

模範的
Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
彼女はその模範的な仕事倫理と献身に対して賞賛されました。
C1 noun /ɪˈnɪɡ.mə/

enigma

謎
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
人生は多くの人にとって謎のままです。
B2 adjective /ɪkˈsprɛsɪv/

expressive

表現力豊かな
Meaning
Effectively conveying thought or feeling.
Example
Her eyes were so expressive that no words were needed.
彼女の目はとても表現力豊かで、言葉は必要なかった。
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

永遠の
Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
詩人は自然に対する永遠の愛について書きました。
B2 verb /ɪkˈskluːd/

exclude

除外する
Meaning
To deliberately leave out or prevent someone or something from being included.
Example
The list excludes temporary workers.
リストは臨時労働者を除外しています。
C1 noun /ˈɜːrθənˌwɛr/

earthenware

陶器
Meaning
pottery made of clay and hardened by heat
Example
The shop displayed beautiful earthenware pots and bowls.
店は美しい陶器の壺と鉢を展示していました。
B2 verb /ɪɡˈzɔːst/

exhaust

疲れさせる
Meaning
to tire out completely; to use up resources
Example
The long journey exhausted the children.
長い旅が子供たちを疲れさせた。
C2 noun /ɪɡˈzɛmplɑːr/

exemplar

模範
Meaning
A model or pattern to be copied or imitated.
Example
She is an exemplar of kindness and generosity.
彼女は親切と寛大さの模範です。
A2 verb /ɪkˈspleɪn/

explain

説明する
Meaning
to make something clear or easy to understand by describing it in more detail
Example
The teacher explained the difficult concept to the students.
教師は生徒たちにその難しい概念を説明しました。
C2 adjective /juːˈdʒɛnɪk/

eugenic

優生学的
Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
20世紀初頭、一部の科学者は優生学的な政策を支持した。
B2 noun ɪˈroʊʒən

erosion

侵食
Meaning
The gradual destruction or diminishing of something.
Example
Power struggles often lead to the erosion of humanity.
権力争いはしばしば人間性の侵食を引き起こします。
A2 adjective /ˌjʊərəˈpiːən/

european

ヨーロピアン
Meaning
Relating to Europe or its people.
Example
She studied European history at university.
彼女は大学でヨーロッパの歴史を学びました。
C2 adjective /ɛkˈstrɪnzɪk/

extrinsic

外的
Meaning
Not part of the essential nature of someone or something; coming from outside.
Example
His motivation was largely extrinsic, driven by rewards and recognition.
彼の動機は主に外的なもので、報酬や認識によって駆動されていました。
C1 noun /iːl/

Eel

ウナギ
Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
デンキウナギは強力な電気ショックを発生させることができます。
C1 exclamation /juˈriːkə/

eureka

ユーレカ!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
解決策がついに彼に浮かんだとき、彼は叫んだ。 'ユーレカ!'
B1 noun /ˌiːkəˈnɒmɪks/ or /ˌɛkəˈnɒmɪks/

economics

経済学
Meaning
The study of production, consumption, and transfer of wealth.
Example
He is studying economics at university.
彼は大学で経済学を学んでいます。
B1 adjective /ɪɡˈzækt/

Exact

正確な; 精密な; 完全に正しい
Meaning
precise; accurate; completely correct
Example
Please give me the exact time of the meeting.
会議の正確な時間を教えてください。
C2 verb /ɛnˈfiːbəl/

enfeeble

弱める
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
長い病気で老人は弱りました。
B1 noun ˈiːˌkɒm.ɜːrs

e-commerce

電子商取引
Meaning
The process of buying and selling goods or services through the internet.
Example
E-commerce has revolutionized the way people shop.
電子商取引は人々の買い物方法を革命的に変えました。
C1 adjective /ɛnˌsaɪkləˈpiːdɪk/

encyclopedic

百科事典的
Meaning
Having comprehensive knowledge of many subjects; relating to or characteristic of an encyclopedia.
Example
Her encyclopedic knowledge of history amazed everyone at the conference.
彼女の歴史に関する百科事典的な知識は、会議でみんなを驚かせた。
B1 adjective /ˈel.dər.li/

Elderly

高齢者; 年配; 高齢
Meaning
aged; advanced in years; old
Example
The elderly man walked slowly with his cane.
その高齢の男性は杖を使ってゆっくり歩いていました。
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

エリザベス朝時代
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
シェイクスピアはエリザベス朝時代に多くの戯曲を書きました。
C1 noun /ˌɛkstrəˈdɪʃən/

extradition

引渡し
Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
容疑者の引渡しは法的問題のため遅れました。
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

電解質
Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
電解質は体内の液体のバランスを維持するのに役立ちます。
B1 adjective ɪˈfɪʃ.ənt

efficient

効率的
Meaning
Working in a well-organized way; competent and effective in performance.
Example
Efficient farming methods improve yields.
効率的な農業方法が収穫量を増加させる。
C2 verb /ɪnˈkʌmbər/

encumber

負担をかける
Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
彼女は旅行中に重い荷物に負担を感じていました。
C1 verb /ɪkˈskriːt/

excrete

排泄する
Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
人間は呼吸を通じて二酸化炭素を排出します。
A2 adverb /ɪɡˈzækt.li/

Exactly

正確に; 精確に; 完全に同意する
Meaning
precisely; accurately; in complete agreement
Example
Tell me exactly what happened during the meeting.
会議中に何が起こったか正確に教えてください。
C1 noun/verb /ɪˈstiːm/

esteem

尊敬
Meaning
Respect and admiration, typically for a person.
Example
She is held in high esteem by her colleagues.
彼女は同僚から高く評価されています。
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

自己中心的
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
彼の自己中心的な行動は会議でみんなをイライラさせた。
C1 noun /ˈɛspiənɑːʒ/

espionage

スパイ活動
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
そのエージェントは国家に対するスパイ活動の容疑で逮捕されました。
B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

疲れ果てた
Meaning
Extremely tired; having no energy left.
Example
Feeling exhausted after waking up is common.
目が覚めた後に疲れ果てたと感じるのはよくあることです。
A2 adjective /ɪˈlɛktrɪk/

electric

電気的
Meaning
Relating to or operated by electricity.
Example
The room was lit by an electric lamp.
部屋は電気ランプで照らされていました。
B2 adverb /ˈiːɡərli/

Eagerly

熱心に; 強い欲望を持って
Meaning
with keen interest or enthusiasm; with great desire
Example
The children eagerly waited for the holiday to begin.
子供たちは休暇が始まるのを熱心に待っていました。