efficacious
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
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 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。
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

進化的
Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
種の進化的変化は魅力的です。
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。
C1 noun /ˈɛpɪθɛt/

epithet

別名
Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
彼はその素晴らしい業績により‘偉大な’別名を得ました。
C2 verb /ɪɡˈzʌlt/

exult

歓喜する
Meaning
to show or feel great joy, often as a result of success
Example
The fans exulted after their team won the championship.
ファンたちはチームが優勝した後、歓喜しました。
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。
C1 adjective /ɪˈlɪptɪkl/

elliptical

楕円形の
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
その惑星は太陽の周りをエリプティカルな軌道で回っています。
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。
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。
B2 noun /ˈɛmbəsi/

embassy

大使館
Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
彼はダッカのフランス大使館で働いています。
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。
B2 adjective /ɪkˌsperɪˈmentl/

experimental

実験的
Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
科学者たちは癌を治療するために実験的な薬を開発しました。
B2 verb ɪnˈfɔːrsɪŋ

enforcing

施行する
Meaning
To compel observance of or compliance with a law, rule, or obligation.
Example
Enforcing strict laws is necessary to prevent violations.
厳格な法律を施行することは、違反を防ぐために必要です。
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。
B1 verb /ɪˈstæblɪʃ/

establish

設立する
Meaning
To set up, create, or bring into existence something on a firm basis.
Example
The company plans to establish a new office in Dhaka.
その会社はダッカに新しいオフィスを設立する予定です。
C2 noun /ɛθˈnɒlədʒi/

ethnology

民族学
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
彼女は文化的多様性をよりよく理解するために民族学を専門にしていた。
C2 adjective /ˌjuːləˈdʒɪstɪk/

eulogistic

賛辞の
Meaning
Expressing praise or admiration, often formally.
Example
The speaker gave a eulogistic account of the leader’s achievements.
スピーカーはリーダーの業績について賛辞の言葉を述べました。
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。
B1 verb /ɪkˈspɪəriənsɪŋ/

experiencing

体験している
Meaning
Encountering or undergoing an event or occurrence.
Example
The travelers are experiencing the thrill of adventure.
旅行者たちは冒険のスリルを体験している。
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。
C2 noun /ˈɛkwɪpɪdʒ/

equipage

装備またはアクセサリー付きの馬車
Meaning
Equipment or a carriage with its accessories.
Example
The nobleman arrived in a grand equipage.
貴族は豪華な馬車で到着しました。
C1 noun /ɪnˈtaɪtəlmənt/

entitlement

権利
Meaning
the belief that one is inherently deserving of privileges or special treatment; a right to benefits
Example
The program provides entitlement to health care.
このプログラムは医療サービスの権利を提供します。
C1 verb /ɪkˈspaʊnd/

expound

詳しく説明する
Meaning
to present and explain in detail
Example
The professor expounded the theory in simple terms.
教授は簡単な言葉で理論を詳しく説明しました。
B1 noun /ɪˈfɛk.tɪv kəˌmjuː.nɪˈkeɪ.ʃən/

effective communication

効果的なコミュニケーション
Meaning
Clear and meaningful exchange of information that achieves its intended purpose.
Example
Effective communication is key to strong relationships.
効果的なコミュニケーションは強い関係を築く鍵です。
C1 noun /ɪkˈspoʊnənt/

exponent

指数
Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
彼女は現代舞踏の先駆者です。
C1 noun ɪˈpɪf.ə.ni

epiphany

突然の啓示または洞察
Meaning
A moment of sudden revelation or insight.
Example
He had an epiphany about his true purpose in life.
彼は自分の人生の本当の目的についてエピファニーを得た。
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

無関係
Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
編集者は報告書から無関係な詳細を削除しました。
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

興奮した
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
彼女はマラソンを終えた後、とても興奮していた。
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。
C1 adjective ˈɛl.ə.kwənt

eloquent

雄弁
Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
彼女の雄弁なスピーチは、聴衆全体にインスピレーションを与えました。
B2 verb /ɪnˈteɪl/

entail

Meaning
to involve something as a necessary or inevitable part or consequence
Example
The job will entail a lot of travel across the country.
B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

励まし
Meaning
the action of giving someone support, confidence, or hope
Example
Her encouragement helped me finish the project.
彼女の励ましが私をプロジェクト完了に導きました。
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。
B2 verb /ɪˈmɜːrdʒ/

emerge

Meaning
to come into view or become apparent; to arise or appear from something
Example
New opportunities will emerge as the industry grows.
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。
B1 verb /ɪmˈbærəs/

embarrass

Meaning
to cause someone to feel awkward, self-conscious, or ashamed
Example
His rude comment really embarrassed her in front of everyone.
B1 noun /ɪkˈspens/

Expense

費用; 支出;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
出張費用は会社が負担しました。
C1 verb /ɪnˈtʃænt/

enchant

Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

実験
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
実験は革新的な製品を生み出します。
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!'
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

過度の支出; 無駄遣い
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
結婚式の祝賀は、その不必要な贅沢で批判されました。
C1 noun /ˈiː.zi tʃeər/

Easy-chair

リクライニングチェア
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
彼は仕事の後、お気に入りのイージーチェアでくつろいだ。
C2 adjective /ˌeθ.noʊˈsen.trɪk/

ethnocentric

エスノセントリック
Meaning
evaluating other cultures according to the standards of one's own culture
Example
His ethnocentric attitude made it hard for him to appreciate foreign traditions.
彼のエスノセントリックな態度は、外国の伝統を評価するのを難しくしました。
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

儚い
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
夕日の美しさは儚く、数分で消えてしまった。
A1 noun /ˈiːv.nɪŋ/

evening

夕方
Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
私たちは涼しい夕方に散歩に行きました。
C1 adjective /ɪnˈɡreɪnd/

engrained

深く根付いている、変更が難しい
Meaning
Firmly fixed or established; difficult to change.
Example
Cultural practices are often deeply engrained in the fabric of society.
文化的な慣習は、しばしば社会の構造に深く根付いています。
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。
A2 noun ˈefərts

efforts

努力
Meaning
A vigorous or determined attempt; physical or mental energy
Example
Your efforts determine your success.
あなたの努力があなたの成功を決定します。
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。
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。
C2 noun /ɪˈluːʒən/

elusion

回避
Meaning
The act of escaping or avoiding something, especially by cleverness or trickery.
Example
His constant elusion of responsibility frustrated his colleagues.
彼の責任逃れは同僚を苛立たせた。
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。
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

効果
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
ワクチンの効果は試験で証明されました。
B2 adjective /ɪnˈtaɪtəld/

entitled

権利を持つ
Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
従業員は有給休暇を取得する権利があります。
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。
C1 adjective, verb /ɪɡˈzɛmpt/

exempt

免除
Meaning
Free from an obligation or liability imposed on others.
Example
Students with high grades are exempt from the final exam.
優秀な成績を収めた学生は、最終試験を免除されます。
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。
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。
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

起業家精神
Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
彼の起業家精神は、彼が成功したスタートアップを立ち上げるのを助けました。
C1 noun /eb/

Ebb

干潮; 満ち引き
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
漁師たちは岸に戻る前に干潮を待っていた。
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。
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。
C1 noun /ˌjuːθəˈneɪʒə/

euthanasia

安楽死
Meaning
The practice of intentionally ending a life to relieve pain and suffering.
Example
The debate about euthanasia raises difficult ethical questions.
安楽死についての議論は、難しい倫理的な問題を提起します。
C2 adjective /ˌɛnkəˈmiːæstɪk/

encomiastic

賛辞の
Meaning
Expressing praise; laudatory.
Example
The book was filled with encomiastic remarks about the author.
その本は著者に対する賛辞のコメントで満ちていた。
B1 adjective ɪˈfek.tɪv

effective

効果的な
Meaning
Successful in producing a desired or intended result; having the power to influence or produce a result.
Example
Effective policies drive organizational success.
効果的な政策は組織の成功を促進します。
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

認識論
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
認識論は正当な信念と意見との違いを探求します。
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。
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

新興
Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
バングラデシュは世界で最も急速に成長している新興経済の一つです。
B2 noun /ɪˈlɛktrɪk drɪl/

Electric drill

電動ドリル
Meaning
A power tool used for drilling holes in various materials
Example
He used an electric drill to make holes in the wall for hanging pictures.
彼は壁に絵を掛けるために電動ドリルを使って穴を開けました。
B2 adjective ɪkˈsplɪsɪt

explicit

明確
Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
指示は明確で、混乱の余地はありませんでした。
C2 verb /ɪˈfɛktʃueɪt/

effectuate

実行する
Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
マネージャーは効率を向上させるために変更を実行しました。
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。
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

軽減する
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
彼女は軽減する状況のために寛容を求めました。
A2 verb /ɪkˈspekt/

expect

期待する
Meaning
to think something will happen; to anticipate
Example
I expect the meeting to start at 9 AM.
私は会議が午前9時に始まることを期待しています。
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.
C1 noun /ɪmˈbɛzlmənt/

embezzlement

横領
Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
会計士は会社の資金を横領したため逮捕されました。
B1 adjective /ɪkˈspɪəriənst/

experienced

経験豊富な
Meaning
having knowledge or skill in a particular field gained through experience
Example
She is an experienced teacher who knows how to handle difficult students.
彼女は経験豊富な教師で、困難な生徒を扱う方法を知っています。
B2 verb ɪˈrɛktɪŋ

erecting

建設する
Meaning
To build; construct; set up in a vertical position.
Example
The workers were erecting a new building downtown.
労働者たちは市街地で新しい建物を建てていました。
B1 adverb /ɛtˈsɛtərə/

etcetera

その他
Meaning
used at the end of a list to indicate that other similar items are included
Example
She bought apples, oranges, bananas, etcetera from the market.
彼女は市場でリンゴ、オレンジ、バナナ、その他を買いました。
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

博学
Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
彼の歴史に関する博学は全ての聴衆を感心させた。
C1 adjective ɪˈroʊ.ni.əs

erroneous

誤った、間違った
Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
彼の仮定は完全に誤っていた。
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。
C2 verb /ɪnˈdjuː/

endue

授ける
Meaning
To provide or endow with a quality or ability.
Example
The leader was endued with wisdom and courage.
リーダーは知恵と勇気を授けられた。
C1 adjective /ˈed.jʊ.keɪ.tɪv/

Educative

教育的; 有益な; 情報豊かな
Meaning
providing education; instructive; informative
Example
The documentary was highly educative and informative.
そのドキュメンタリーは非常に教育的で有益でした。
C1 noun /juːˈfɔː.ri.ə/

euphoria

ユーフォリア, 陶酔, 高揚感
Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
チャンピオンシップを勝ち取ったことで、ユーフォリアを感じた。
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。
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 /ɪˈmɛtɪk/

emetic

催吐薬
Meaning
a substance that causes vomiting
Example
The doctor administered an emetic to remove the poison.
医師は毒を取り除くために催吐薬を投与しました。
A2 noun /ɜːθ/

Earth

地球; 土;
Meaning
the planet on which we live; the ground or soil
Example
The astronauts could see Earth from their spacecraft in orbit.
宇宙飛行士たちは軌道上から地球を見ることができました。
B2 noun /ɪkˈskluːʒən/

exclusion

排除
Meaning
The process or state of being left out or denied access.
Example
The policy led to the exclusion of certain groups.
その政策は特定のグループの排除を招いた。
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 verb /ɪˈkwɪp/

equip

装備する
Meaning
to provide someone or something with the necessary items or skills for a task
Example
The school equipped its students with modern technology.
学校は生徒たちに最新の技術を装備させました。
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 /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 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。
C2 adjective /ɪkˈspɒzɪtəri/

expository

説明的
Meaning
intended to explain or describe something
Example
The teacher gave an expository lecture on the topic.
先生はそのトピックについて説明的な講義をしました。
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。
A2 adjective /ɪkˈspɛnsɪv/

expensive

Meaning
costing a lot of money
Example
That car is too expensive for me to buy.
B1 noun /ɪnˈθjuː.zi.æz.əm/

Enthusiasm

熱意; 情熱; 熱狂
Meaning
intense and eager enjoyment, interest, or approval
Example
Her enthusiasm for the project inspired the entire team.
彼女のプロジェクトへの熱意はチーム全体にインスピレーションを与えました。
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。
B2 verb /ɪˈvækjueɪt/

evacuate

避難する
Meaning
To remove people from a dangerous place to safety.
Example
The residents were ordered to evacuate the building after the fire alarm.
火災警報後、住民は建物から避難するよう命じられました。
B2 adjective /ɪkˈsten.sɪv/

Extensive

広範囲の; 大規模な; 広い
Meaning
covering or affecting a large area; comprehensive; wide-ranging
Example
The company conducted extensive research before launching the new product.
企業は新しい製品を発売する前に広範囲の研究を行いました。
C1 noun /ˈɪrˌplʌɡ/

earplug

イヤープラグ
Meaning
a device inserted into the ear to block out noise or water
Example
He wore earplugs to sleep during the noisy night.
彼は騒がしい夜に寝るためにイヤープラグを着けました。
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

ミミズ
Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
庭師は土壌でたくさんのミミズを見つけて喜んでいました。
B1 adjective /ɪnˈkɝr.ɪ.dʒɪŋ/

Encouraging

励ましの; モチベーションを与える
Meaning
giving support or confidence; inspiring; motivating
Example
The teacher's encouraging words motivated the students.
先生の励ましの言葉は生徒たちを励ました。
C1 adjective /ˈen.vi.ə.bəl/

Enviable

うらやましい
Meaning
causing envy; desirable
Example
Her success was enviable among her peers.
彼女の成功は仲間の間でうらやましかった。
B2 adjective ˈɛvɪdənt

evident

明白な
Meaning
Clearly seen or understood; obvious.
Example
The result was evident.
結果は明らかだった。
C2 verb /ɛkˈskɔːrieɪt/

excoriate

厳しく批判する
Meaning
To strongly criticize someone; to denounce severely.
Example
The critic excoriated the film for its poor script.
批評家はその映画の悪い脚本を厳しく批判しました。
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。
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。
B1 noun /ˈempaɪər/

empire

帝国
Meaning
a group of countries or regions controlled by one ruler or government
Example
The Roman Empire lasted for centuries.
ローマ帝国は何世代にもわたって続きました。
C2 verb /ɪnˈtriːt/

entreat

懇願する
Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
彼女は彼にもう少し長くいてくれるように懇願した。
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。
A1 adjective /ɪkˈsaɪtɪd/

excited

興奮した
Meaning
very enthusiastic and eager about something
Example
The children were excited to open their presents.
子供たちはプレゼントを開けるのを楽しみにして興奮していました。
C1 verb /ɪˈkɒnəmaɪz/

economize

節約する
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
家族は不必要な支出を削減して、節約しようとしています。
B1 noun ɪɡˌzæm.ɪˈneɪ.ʃənz

examinations

試験
Meaning
A detailed inspection or investigation; a formal test of a person's knowledge or proficiency.
Example
BPSC conducts rigorous examinations.
BPSCは厳格な試験を実施します。
C1 noun /ɪkˈspɛktənsi/

expectancy

期待
Meaning
the state of expecting something; anticipation or likelihood
Example
There was a sense of expectancy in the room before the results were announced.
結果が発表される前、部屋には期待の感覚があった。
C2 verb /ˌɛfəˈvɛs/

effervesce

泡立つ
Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
ソーダは開けるとすぐに泡が立ち始めました。
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

例示する
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
彼の献身は真のリーダーシップを例示しています。
C1 adjective /ɪˈmeɪʃieɪtɪd/

emaciated

やせ衰えた
Meaning
Abnormally thin or weak, usually due to illness or lack of food.
Example
The emaciated dog was rescued from the abandoned house.
そのやせ衰えた犬は放置された家から救出されました。