ethos
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C1 noun ˈiː.θɒs

ethos

文化、時代、またはコミュニティの特徴的な精神
Meaning
The characteristic spirit of a culture, era, or community as manifested in its beliefs and aspirations.
Example
The company's ethos is built on innovation and integrity.
その会社のエトスは、革新と誠実に基づいています。
B2 noun /ˈɛθɪk/

ethic

倫理
Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
彼は強い労働倫理を持っており、常に締め切りを守ります。
B1 adjective /ɪnˈɡeɪdʒd/

Engaged

忙しい; 関与している; 婚約している
Meaning
busy; occupied; involved in activity; betrothed
Example
He is engaged in important research work.
彼は重要な研究作業に忙しい。
B2 adverb /ɪkˈskluːsɪvli/

exclusively

独占的に
Meaning
only; not shared with others
Example
This service is available exclusively to premium members.
このサービスはプレミアムメンバーのみが利用できます。
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

解放
Meaning
the fact or process of being set free from legal, social, or political restrictions
Example
The emancipation of slaves was a significant moment in American history.
奴隷解放はアメリカの歴史における重要な瞬間でした。
C2 noun ˈɛn.ɡræm

Engram

記憶の保存と検索のための脳内の物理的なサイン
Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
科学者たちはエングラムを研究して、記憶がどのように保存されるかを理解しようとしています。
A1 adjective /ˈiːzi/

easy

簡単
Meaning
not difficult; requiring little effort
Example
The exam was surprisingly easy.
試験は驚くほど簡単でした。
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
C1 noun /ˈɜːr.θən pɒt/

Earthen pot

土鍋
Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
土鍋は夏に水を自然に冷たく保ちます。
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。
B1 adjective /ɪnˌθjuːziˈæstɪk/

enthusiastic

熱心な
Meaning
Having or showing intense and eager enjoyment, interest, or approval.
Example
The explorers were enthusiastic about the journey.
探検家たちはその旅に熱心でした。
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 /ɪˈvæljueɪt/

evaluate

評価する
Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
教師は明日学生のプロジェクトを評価します。
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。
C1 noun /ˈiːɡoʊˌɪzəm/

egoism

利己主義
Meaning
An ethical theory that treats self-interest as the foundation of morality; also, excessive preoccupation with oneself.
Example
His decisions were often driven by egoism rather than concern for others.
彼の決断はしばしば他人への配慮よりも利己主義に駆り立てられていた。
B2 noun /ˌɒn.trə.prəˈnɜːr/

Entrepreneur

ビジネスや複数のビジネスを組織し運営する人
Meaning
a person who organizes and operates a business or businesses
Example
The young entrepreneur started her own tech company at age 22.
若い起業家は22歳で自分のテクノロジー企業を立ち上げました。
A2 noun /ˈiː.ɡəl/

Eagle

ワシ
Meaning
large bird of prey with powerful wings and sharp talons
Example
The eagle soared high above the mountains.
ワシは山々の上を高く飛んだ。
C2 verb /ɪkˈspeɪʃiˌeɪt/

expatiate

詳細に話すまたは書く
Meaning
to speak or write at length or in detail
Example
The professor expatiated on the importance of critical thinking.
教授は批判的思考の重要性について詳細に説明しました。
C2 adjective /ɪˈfjuːsɪv/

effusive

感情的な
Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
彼女は長い旅の後、彼に感情的な歓迎をした。
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

湖やその他の水域における栄養素の過剰
Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
過剰な肥料は湖におけるユートロフィケーションを引き起こします。
B1 noun ɪɡˈzek.jə.tɪv

executive

執行機関
Meaning
The branch of government responsible for implementing and enforcing laws.
Example
The executive body enforces policies.
執行機関は政策を実行します。
B2 verb /ɪnˈroʊl/

enrol

登録する
Meaning
To officially register or sign up for a course, program, or membership
Example
She decided to enrol in a language course to improve her skills.
彼女はスキルを向上させるために語学コースに登録することに決めた。
C1 noun /ˈɛksələnsɪ/

excellency

閣下
Meaning
a title of honor for people of high rank, especially ambassadors or governors
Example
His Excellency the Ambassador attended the ceremony.
大使閣下は式典に出席しました。
C1 verb /ɪkˈstɪŋ.ɡwɪʃ/

extinguish

消す
Meaning
to put out a fire, light, or to end something
Example
The firefighters managed to extinguish the blaze within an hour.
消防士たちは1時間以内に火を消し止めました。
A2 noun /ɪˈlek.trɪk fæn/

Electric fan

電気ファン
Meaning
a device with rotating blades that creates airflow to cool or ventilate a room
Example
The electric fan keeps the room cool during hot summer days.
電気ファンは、暑い夏の日に部屋を涼しく保ちます。
B1 adjective /ˌɛdjuˈkeɪʃənl/

educational

教育的な
Meaning
Relating to the provision of education or having an educative effect.
Example
The journey was an educational experience.
その旅行は教育的な経験でした。
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 verb /ɪnˈkæmp/

encamp

キャンプをする
Meaning
to set up or establish a camp
Example
The soldiers encamped near the river for the night.
兵士たちは夜のために川の近くでキャンプしました。
C2 noun /ɪɡˈzækʃən/

exaction

強制徴収
Meaning
the act of demanding or obtaining something, especially unfairly
Example
The peasants suffered under the king's heavy exactions.
農民たちは王の重い強制徴収の下で苦しんだ。
B2 adjective /ɪˈven.tʃu.əl/

Eventual

最終的な
Meaning
happening or existing at the end of a process; final; ultimate
Example
The eventual outcome was better than expected.
最終的な結果は予想より良かった。
B2 noun /ɪnˈdjʊə.rəns/

endurance

耐久力
Meaning
The fact or power of enduring an unpleasant or difficult process or situation without giving way.
Example
Running a marathon requires exceptional endurance.
マラソンを走るには卓越した耐久力が必要です。
B2 noun /ˈɛdʒuˌkeɪtər/

educator

教育者
Meaning
a person who provides education; a teacher or instructor
Example
She is a dedicated educator who inspires her students every day.
彼女は毎日学生を励ます献身的な教育者です。
B2 noun /ˈet.ɪ.kət/

Etiquette

エチケット
Meaning
the customary code of polite behavior in society or among members of a particular profession
Example
Proper etiquette requires standing when a lady enters the room.
適切なエチケットは、女性が部屋に入るときに立ち上がることを求めます。
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

女性的特質
Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
古代では、女性的特質はしばしば弱さのサインとして批判されていました。
C2 verb /ɪnˈθroʊn/

enthrone

戴冠する
Meaning
to install someone on a throne or to give someone high status
Example
The king was enthroned in a grand ceremony.
王は大きな儀式で即位しました。
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

企業家精神のある
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
彼女は企業家精神のある若い起業家です。
C1 verb /ˈɪə.mɑːrk/

earmark

指定する
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
政府は教育のための資金を指定しました。
B1 verb /ˈɛstɪˌmeɪt/

estimate

見積もる
Meaning
To roughly calculate or judge the value, number, quantity, or extent of something.
Example
The engineer estimated the cost of the project at $5 million.
エンジニアはプロジェクトのコストを500万ドルと見積もりました。
A2 adverb /ˈiːkwəli/

equally

平等に
Meaning
in an equal or fair way; to the same degree
Example
The prize money was equally divided among the winners.
賞金は受賞者の間で平等に分けられました。
C1 noun ˈɛksəʊˌplænɪt

exoplanet

太陽系外の星の周りを回る惑星
Meaning
A planet that orbits a star outside the solar system.
Example
Astronomers have discovered thousands of exoplanets in the last decade.
天文学者たちは、過去10年間で何千ものエクソプラネットを発見しました。
A1 pronoun /ˈɛvrɪθɪŋ/

everything

すべて
Meaning
all things; the whole lot
Example
He packed everything in his suitcase.
彼はすべてをスーツケースに詰め込んだ。
B2 noun ˌeksplɔɪˈteɪʃən

exploitation

搾取
Meaning
The action of making use of and benefiting from resources, often in an unfair or selfish way.
Example
Exploitation of marine resources has led to significant damage.
海洋資源の搾取は重大な損害を引き起こしました。
B2 adverb /ˌiːkəˈnɒmɪkli/

economically

経済的に
Meaning
in a way that relates to economics or is efficient and not wasteful.
Example
The company is trying to operate more economically this year.
その会社は今年、より経済的に運営することを目指しています。
C2 verb /ɪnˈræptʃər/

enrapture

魅了する
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
美しい音楽は観客を魅了しました。
C1 noun /ˈɛksɜːrpt/

excerpt

抜粋
Meaning
A short portion taken from a text, film, or piece of music.
Example
The teacher read an excerpt from the novel.
先生は小説から一節を読みました。
C1 verb ˈɛk.spɪ.daɪt

expedite

迅速化する
Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
政府は承認プロセスを迅速化するための措置を講じた。
A2 noun /ˈɪər.ɪŋ/

Ear-ring

イヤリング
Meaning
a piece of jewelry worn on the earlobe or ear
Example
Her diamond earrings caught everyone's attention.
彼女のダイヤモンドのイヤリングは、みんなの注目を集めました。
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。
B1 adjective /ˈiːvəl/

evil

邪悪
Meaning
Profoundly immoral and wicked.
Example
They believed the villain was the embodiment of evil.
彼らは悪役が邪悪の具現であると信じていた。
C1 verb /ɪnˈɡreɪv/

engrave

刻む
Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
職人は銀の指輪に彼女の名前を刻んだ。
A2 adjective /ɪmˈbærəst/

embarrassed

恥ずかしい
Meaning
feeling awkward, ashamed, or self-conscious about something
Example
He felt embarrassed when he forgot her name.
彼は彼女の名前を忘れたとき、恥ずかしいと感じた。
C2 noun /ˈɛdi/

eddy

渦巻き
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
カヌーは岩の近くで渦巻きに巻き込まれた。
A1 noun /iːst/

east

東
Meaning
The direction from which the sun rises; one of the four cardinal points.
Example
The sun rises in the east.
太陽は東から昇ります。
C1 adjective /ɪɡˈzæktɪŋ/

exacting

厳格な
Meaning
demanding a lot of effort, attention, or precision
Example
She is known for her exacting standards in design.
彼女はデザインにおける厳格な基準で知られています。
C1 verb /ˈiːvzdrɒp/

eavesdrop

盗み聞き
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
彼女はその会話をこっそり聞くためにドアの近くに立っていました。
A2 noun /ˈef.ət/

Effort

努力
Meaning
physical or mental activity needed to achieve something
Example
She put a lot of effort into preparing for the final examination.
彼女は期末試験の準備に多くの努力を注いだ。
C2 verb /ɪnˈsaɪfər/

encipher

メッセージをコードまたは暗号に変換する
Meaning
to convert a message into code or cipher
Example
The agent enciphered the secret message before sending it.
エージェントはメッセージを送る前にそれを暗号化しました。
B2 adjective /ɪkˈskluːdɪd/

Excluded

除外された; 追放された
Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
彼はグループ活動や会話から除外されたと感じていた。
B2 adjective ˈel.ɪ.dʒə.bəl

eligible

資格がある
Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
資格のある候補者のみが任命のために考慮されます。
C1 adjective /ɪkˈsaɪtəbl̩/

excitable

興奮しやすい
Meaning
easily excited or emotionally aroused
Example
The child was excitable and laughed at every small thing.
その子供は興奮しやすく、何でも小さなことで笑っていた。
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

環境変革
Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
この都市は環境変革を示しています。
B2 adjective /ˈed.ɪ.bəl/

Edible

食べられる
Meaning
safe to eat; suitable for consumption
Example
Only edible mushrooms should be used in cooking.
料理には食べられるキノコのみを使用してください。
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。
C1 verb /ɪɡˈzuːd/

exude

放つ
Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
彼は公共の場で話すとき、自信を放っています。
B2 verb /ɪˈmɪt/

emit

放出する
Meaning
to send out something such as light, heat, sound, or gas
Example
The factory emits smoke into the atmosphere.
工場は大気中に煙を排出します。
A1 noun /aɪ/

Eye

目; 視力
Meaning
the organ of sight; the ability to see
Example
Her eyes sparkled with joy.
彼女の目は喜びで輝いていた。
A1 noun, verb /ˈiː.meɪl/

e-mail

電子メール
Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
私は昨日、教授に電子メールを送りました。
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。
B2 noun /ˈep.ɪk/

Epic

叙事詩
Meaning
a long poem telling of heroic deeds; something heroic or grand in scale
Example
The Iliad is one of the most famous epics in world literature.
イリアスは世界文学の中で最も有名な叙事詩の一つです。
C2 noun /ˈɛksplɪkeɪtər/

explicator

解説者
Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
批評家は詩人の複雑な作品の解説者として務めました。
B1 adjective ɪɡˈzɪs.tɪŋ

existing

存在する
Meaning
In existence; present; current.
Example
The commission reviews existing provisions.
委員会は現在の規定を確認しています。
C2 verb /ɪnˈtwaɪn/

entwine

絡ませる
Meaning
to twist or wind together; to become closely connected or involved
Example
The vines entwine around the old fence.
つるが古いフェンスを巻きつけている。
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。
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

黄道
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
黄道は地球の太陽の周りの軌道の平面です。
C1 adjective ɪˈveɪ.sɪv

evasive

回避的な, 狡猾な, 曖昧な
Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
彼は問題を避けるために回避的な答えをしました。
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。
A1 verb /ɪnˈdʒɔɪ/

enjoy

楽しむ
Meaning
to take pleasure in; to have a good time
Example
I enjoy reading books in my free time.
私は自由な時間に本を読むことを楽しんでいます。
A2 adjective /ɪkˈspɛnsɪv/

expensive

Meaning
costing a lot of money
Example
That car is too expensive for me to buy.
B1 verb /ɪnˈɡeɪdʒ/

engage

関わる
Meaning
To participate or become involved in; to attract or hold attention.
Example
The teacher tried to engage the students in the discussion.
教師は学生たちを討論に参加させようとしました。
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

エキュメニカルな宗教的統一
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
リーダーたちは対話を促進するためにエキュメニカルな会議に集まりました。
C1 adjective /ɪˈɡriːdʒəs/

egregious

ひどい
Meaning
Outstandingly bad; shocking.
Example
The company was fined for its egregious safety violations.
その会社はひどい安全違反で罰金を科されました。
A2 adjective /ˈɛkstrə/

extra

追加の
Meaning
More than what is usual, expected, or necessary
Example
She brought some extra food for the picnic.
彼女はピクニックのために追加の食べ物を持ってきました。
B2 verb /ɪnˈlaɪtən/

enlighten

幸福
Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
彼女は賞を受け取ったとき、幸せを隠すことができませんでした。
C2 noun /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

エンダイブ
Meaning
A leafy vegetable belonging to the chicory family, often used in salads.
Example
She added fresh endive to the salad for a slightly bitter flavor.
彼女はサラダに少し苦味のある新鮮なエンダイブを加えました。
C2 adverb /ɪkˈstem.pɔːr/

Extempore

即興の；即席の；準備なしの
Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
スピーカーは会議で印象的な即興のスピーチを行いました。
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

エコシステム
Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
バランスの取れたエコシステムは、環境の持続可能性にとって重要です。
C1 noun /ˈiːzl̩/

easel

イーゼル
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
アーティストは絵を描き始める前にキャンバスをイーゼルに置きました。
C2 noun /ˌɛfəˈvɛsəns/

effervescence

発泡
Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
彼女の発泡はパーティーの生命となった。
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。
C1 noun ɪˌməʊ.ʃəˈnæl.ɪ.ti

emotionality

感情性
Meaning
The quality of being driven by emotions rather than reason; emotional responsiveness.
Example
His emotionality often influenced his decisions.
彼の感情性はしばしば彼の決定に影響を与えた。
C1 noun /ɪkˈstɔːr.ʃən/

extortion

恐喝
Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
そのビジネスマンは、パートナーを脅迫した後、恐喝で逮捕されました。
C2 noun /ˌɛpɪzəʊˈɒtɪk/

epizootic

動物伝染病
Meaning
An outbreak of disease affecting many animals of one kind at the same time.
Example
The farmer feared an epizootic might wipe out his cattle.
農家は、動物伝染病が彼の家畜を壊すかもしれないと恐れていました。
C1 verb /ɪˈvɪkt/

evict

立ち退かせる
Meaning
To expel someone from a property, usually by legal process.
Example
The landlord decided to evict the tenants for not paying rent.
家主は家賃未払いでテナントを立ち退かせることに決めました。
C1 verb ɪˈluː.sɪ.deɪt

elucidate

明らかにする、説明する
Meaning
make (something) clear; explain.
Example
The professor elucidated the theory with simple examples.
教授は簡単な例で理論を明らかにしました。
C1 noun/adjective /ɪˈliːtɪst/

elitist

エリティスト
Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
彼のエリティストな態度は、彼を仲間の中で不人気にした。
B1 noun /ˈɛlɪmənt/

element

要素
Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
信頼は強い関係の重要な要素です。
C2 adjective /ɪˈpɪstələri/

epistolary

書簡体
Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
その小説は書簡体スタイルで書かれており、登場人物間の手紙で構成されています。
A2 noun /ˈɛləˌveɪtər/

elevator

エレベーター
Meaning
a machine that carries people or goods up and down between floors in a building
Example
We took the elevator to the tenth floor.
私たちはエレベーターで10階に行きました。
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。
B2 verb /ɪkˈsiːd/

exceed

超える
Meaning
to go beyond a limit or expectation
Example
The athlete exceeded everyone's expectations by winning the gold medal.
アスリートは金メダルを獲得することで皆の期待を超えました。
B2 adjective /ˌiːkəˈnɒmɪkl/

economical

経済的
Meaning
Careful in the use of resources; providing good value or efficiency.
Example
Driving a hybrid car is economical in the long run.
ハイブリッド車を運転することは長期的には経済的です。
C2 adjective /ˌen.zɪˈmæt.ɪk/

enzymatic

酵素に関連する
Meaning
Relating to or involving enzymes, which are proteins that catalyze biochemical reactions in living organisms.
Example
Enzymatic reactions regulate metabolism in the human body.
酵素反応は人間の体内で代謝を調節します。
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

飾る
Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
彼は物語をより面白くするために飾る傾向があります。
C1 noun /ɪˈleɪʃən/

elation

興奮
Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
彼の興奮はチャンピオンシップに勝った後、明らかだった。
C1 noun /ɪnˈdɪrmənt/

endearment

愛情の言葉
Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
彼女は子供に優しい愛情の言葉をささやきました。
C2 noun /ˌɛksɪˈɡjuːɪti/

exiguity

不足
Meaning
the quality of being scanty or meager in amount
Example
The exiguity of resources made the project difficult to complete.
資源の不足がプロジェクトを完了するのを難しくしました。
C2 noun /ˈɛpɪkjʊr/

epicure

美食家
Meaning
A person who enjoys fine food and drink, often with refined taste.
Example
As an epicure, she always sought out the finest restaurants in the city.
美食家として、彼女は常に市内で最高のレストランを探していました。
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。
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。
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

平等主義者
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
新しい法律は平等主義の社会を促進します。
B2 noun /ˈek.oʊ/

Echo

エコー; 反響
Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
彼の声は空の大聖堂で明確なエコーを作り出しました。
C2 verb /ɪˈmæskjʊleɪt/

emasculate

無力化する
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
絶え間ない批判が彼の自信を削弱した。
B1 verb /ɪmˈplɔɪ/

employ

雇う
Meaning
to hire someone to do a job; to use something effectively
Example
The company plans to employ more engineers next year.
その会社は来年、もっと多くのエンジニアを雇う予定です。
B1 verb /ˈɛmfəˌsaɪz/

emphasize

強調する
Meaning
to give special importance or attention to something
Example
The teacher emphasized the importance of homework.
先生は宿題の重要性を強調した。
C2 noun /ˈɛpənɪm/

eponym

名前の由来となった人
Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
サンドイッチはサンドイッチ伯爵にちなんだエポニムです。
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。
C2 noun ˌiːkwəˈnɪməti

equanimity

心の平静、冷静さ、バランス、特に困難な状況下で
Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
彼女はそのニュースを驚くべき冷静さで対処した。
C2 adjective /ɪˈkwɪvəkəl/

equivocal

曖昧
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
彼の曖昧な答えは皆を混乱させた。
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。
B2 verb ɪˈmɜːdʒɪz

emerges

現れる
Meaning
To come forth, appear, or arise from something
Example
A major health crisis emerges from pollution.
重大な健康危機が汚染から現れる。
C2 adjective /ˈiːkwaɪn/

equine

馬に関連する
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
獣医は馬の医療に専門特化していました。