esoteric
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C2 adjective /ˌɛsəˈtɛrɪk/

esoteric

秘教的
Meaning
intended for or understood by only a small number of people with special knowledge
Example
The professor gave an esoteric lecture on ancient philosophy.
教授は古代哲学に関する秘教的な講義を行いました。
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

証拠の
Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
弁護士は彼女の主張に対する証拠のサポートを提供しました。
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。
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.
C2 noun /ɪˈfrʌntəri/

effrontery

厚顔無恥または大胆な態度
Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
彼は赤手で捕まった後でも嘘をつく厚顔無恥さを持っていた。
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。
C2 verb /ɛksˈhjuːm/

exhume

発掘する
Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
考古学者たちは古代の遺物を発掘することに決めました。
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。
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 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。
C2 verb /ɪˈnəʊbəl/

ennoble

高貴にする
Meaning
to give someone a noble rank or to elevate in dignity or honor
Example
His selfless actions ennobled his character in the eyes of others.
彼の自己犠牲的な行動は、他の人々の目に彼の人格を高めました。
C2 verb /ɪkˈspʌndʒ/

expunge

削除
Meaning
To erase or remove completely, often something unwanted.
Example
He managed to expunge the embarrassing memory from his mind.
彼は恥ずかしい記憶を心から消し去ることに成功しました。
C2 noun /ɪkˈskrɛsəns/

excrescence

異常な成長
Meaning
An abnormal outgrowth or lump, often considered unattractive.
Example
The building was considered an excrescence on the landscape.
その建物は風景の中で異常な成長と見なされました。
C2 noun /ˈɪəri/

eyry

猛禽の巣
Meaning
an alternative spelling of eyrie; a nest of a bird of prey
Example
The falcon guarded its eyry fiercely.
隼はその巣を激しく守った。
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。
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。
C2 adjective /ɪkˈstɛnsəbl/

extensible

拡張可能
Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
そのソフトウェアは新しい機能で拡張可能なように設計されています。
C2 adjective /ˈɛnərˌveɪtɪd/

enervated

疲れ切った
Meaning
Lacking energy, vitality, or strength; weakened or exhausted.
Example
After the long meeting, she felt completely enervated.
長い会議の後、彼女は完全に疲れ切ったと感じていた。
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 noun /ˈɪəri/

eyrie

ワシの巣
Meaning
the nest of a bird of prey, such as an eagle, typically built high on a cliff or tree
Example
The eagle’s eyrie was perched high on the mountain cliff.
ワシの巣は山の崖の頂上にありました。
C2 verb /ɪˈkwɪvəˌkeɪt/

equivocate

曖昧に話す
Meaning
To speak ambiguously or avoid giving a clear answer.
Example
The politician equivocated when asked about the scandal.
その政治家はスキャンダルについて尋ねられたとき、曖昧に話した。
C2 noun /ˈaɪ.sɔːr/

Eyesore

目障りなもの; 不快な視覚効果
Meaning
something that is very ugly and unpleasant to look at
Example
The abandoned building has become an eyesore in the neighborhood.
放置された建物は近所の目障りになっています。
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

射精 / 突然の叫び
Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
彼の突然の喜びの射精は部屋の中の誰もが驚いた。
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

耳をつんざくような
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
火災警報の耳をつんざくような音がみんなを驚かせた。
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 /ɪˈfjuːʒən/

effusion

流出
Meaning
An unrestrained outpouring of words, feelings, or emotions.
Example
His letter was an effusion of love and longing.
彼の手紙は愛と切望の流出でした。
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。
C2 verb /ɪˈfeɪsɪŋ/

effacing

消す / 自分を目立たなくする
Meaning
erasing or making oneself inconspicuous; to remove or diminish in significance
Example
She kept effacing herself during the meeting so that others could shine.
会議中に他の人が輝けるように、自分自身を消し続けました。
C2 noun /eɪˈklɑː/

eclat

大成功
Meaning
Brilliant success, acclaim, or great public approval.
Example
The artist's debut performance was met with great éclat.
アーティストの初めてのパフォーマンスは大成功を収めました。
C2 noun /ˌɛntəˈmɒlədʒi/

entomology

昆虫学
Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
彼女は蜂の行動を理解するために昆虫学を学びました。
C2 adjective /ɪˈlɪʒən/

elysian

天国の
Meaning
Relating to or characteristic of paradise; delightful and heavenly.
Example
They spent an elysian week on the quiet island.
彼らは静かな島で天国のような一週間を過ごしました。
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。
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。
C2 noun /ˌiː.tiˈɒ.lə.dʒi/

etiology

病因学
Meaning
the cause or origin of a disease or condition
Example
Doctors are studying the etiology of the new virus.
医師たちは新しいウイルスの病因学を研究しています。
C2 verb /ɪkˈstɛnjueɪt/

extenuate

軽減する
Meaning
to make an offense, fault, or situation seem less serious by providing an excuse or explanation
Example
The lawyer tried to extenuate his client's actions by highlighting his difficult childhood.
弁護士は、クライアントの難しい幼少期を強調して彼の行動を軽減しようとしました。
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。
C2 verb /ɪkˈstɛmpəraɪz/

extemporize

即興する
Meaning
To speak or perform without preparation; improvise.
Example
The actor had to extemporize when he forgot his lines.
俳優はセリフを忘れたとき、即興で演技をしなければなりませんでした。
C2 verb /ɪˈvɪns/

evince

示す
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
彼女は積極的な参加を通じてそのプロジェクトに対する関心を示した。
C2 noun /ɪkˈsɪʒən/

excision

切除
Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
感染した組織の切除により、さらなる合併症が防止されました。
C2 noun /ɪksˈtʃɛkər/

exchequer

国庫
Meaning
The treasury of a state or country.
Example
The government announced new measures to improve the exchequer.
政府は国庫を改善するための新しい措置を発表しました。
C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

収用
Meaning
The act of government taking private property, also known as confiscation, nationalization, or seizure.
Example
The land expropriation led to disputes among landowners.
土地の収用は土地所有者間で争いを引き起こしました。
C2 noun /ˈɛksɪdʒənsi/

exigency

緊急の必要性
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
戦争の時、状況の緊急の必要性は迅速な決定を要求する。
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。
C2 noun /ˈɪrˌʃɑːt/

earshot

耳の届く範囲
Meaning
the range or distance within which a sound can be heard
Example
The children whispered secrets out of earshot of their parents.
子供たちは親の耳の届く範囲外で秘密をささやいた。
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。
C2 noun /ɪkˈspiːdiənsi/

expediency

便宜主義
Meaning
the quality of being convenient and practical despite possibly being improper or immoral
Example
He acted out of political expediency rather than principle.
彼は原則ではなく政治的便宜主義から行動した。
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。
C2 noun /ɛnˈsɪklɪkəl/

encyclical

回勅
Meaning
a formal letter sent by the Pope to Catholic churches, usually addressing important issues
Example
The Pope issued an encyclical on climate change and moral responsibility.
教皇は気候変動と道徳的責任についての回勅を発表しました。
C2 noun /ˈɛkwɪpɔɪz/

equipoise

均衡
Meaning
A state of balance or equilibrium.
Example
Her calmness created an equipoise in the heated debate.
彼女の落ち着きは熱い議論の中で均衡を作り出しました。
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。
C2 adjective /ˌɛfəˈvɛsənt/

effervescent

活気に満ちた
Meaning
Giving off bubbles; lively, enthusiastic, and full of energy.
Example
She had an effervescent personality that brightened every room.
彼女は部屋を明るく照らす活気に満ちた個性を持っていました。
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 adjective /ɪˈfɛktʃuəl/

effectual

効果的な
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
彼女の効果的な努力はコミュニティに平和をもたらしました。
C2 noun /ɪˈskʌtʃən/

escutcheon

家族の紋章が描かれた盾
Meaning
a shield or emblem bearing a coat of arms
Example
The family crest was displayed on the escutcheon above the fireplace.
家族の紋章は暖炉の上の盾に展示されていた。
C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

認識論者
Meaning
A scholar or expert who studies the nature, sources, and limits of knowledge.
Example
The epistemologist debated how humans can truly know anything with certainty.
エピステモロジストは、人間がどのようにして確実に何かを知ることができるかについて議論しました。
C2 verb /ɪˈvɜːrt/

evert

外向きにひっくり返す
Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
外科医は手術中にまぶたをひっくり返さなければなりませんでした。
C2 verb /ɪmˈbɪtər/

embitter

憤慨させる
Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
不公平な扱いが従業員を憤慨させた。
C2 noun /ɪˈmɒljʊmənt/

emolument

給料
Meaning
payment for work or services; salary or fees
Example
The professor received his annual emolument from the university.
教授は大学から年俸を受け取った。
C2 noun /ˈɛlɪdʒi/

elegy

エレジー
Meaning
A poem or song expressing sorrow, especially for someone who has died.
Example
The poet wrote an elegy for his late friend.
詩人は亡き友人のためにエレジーを書きました。
C2 verb /ˈeksɪkreɪt/

execrate

憎む
Meaning
To feel or express great loathing or hatred for something.
Example
The community execrated the corrupt politician.
コミュニティは腐敗した政治家を憎んだ。
C2 adjective /ɪˈfiːt/

effete

無力
Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
帝国は何世代にもわたる享楽の後、無力になった。
C2 adjective /ˈɛdɪfaɪɪŋ/

edifying

啓発的な
Meaning
Providing moral or intellectual instruction or enlightenment.
Example
The documentary was both entertaining and edifying.
そのドキュメンタリーは、エンターテイメントと啓発の両方を兼ね備えていました。
C2 noun /ˈɛpɪtɑːf/

epitaph

墓碑銘
Meaning
A short text written on a tombstone in memory of the deceased.
Example
The gravestone bore an epitaph honoring the soldier’s bravery.
墓石にはその兵士の勇気を讃える墓碑銘が刻まれていた。
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 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
その将校のエポレットは太陽の下で輝いていました。
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。
C2 verb /ɪˈfjuːz/

effuse

表現する
Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
彼女は受け取った助けに感謝の気持ちを表しました。
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

過剰
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
ホテルの価格の過剰さに観光客は驚いた。
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。
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。
C2 adjective /ˈek.wə.bəl/

Equable

冷静
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
彼は危機の間、冷静な気質を保ち続けた。
C2 noun /ɪˈfluːviəm/

effluvium

不快な臭い
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
工場からの不快な臭いが近隣一帯に広がった。
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。
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。
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。
C2 adjective /ɪˈmɛrɪtəs/

emeritus

名誉教授
Meaning
having retired but allowed to retain their title as an honor
Example
He is a professor emeritus at the university.
彼は大学の名誉教授です。
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

皮膚の外層
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
エピデルミスは有害な細菌から体を守ります。
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 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。
C2 verb /ˈɛksplɪkeɪt/

explicate

説明する
Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
教授は学生たちに相対性理論を説明しようとしました。
C2 adjective /ɪˈbʊliənt/

ebullient

陽気な
Meaning
cheerful and full of energy
Example
She was ebullient after receiving the good news.
良いニュースを受け取った後、彼女は陽気でした。
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。
C2 verb /ɪnˈsnɛər/

ensnare

罠にかける
Meaning
to catch or trap, often by trickery or deceit
Example
The hunter ensnared the rabbit with a net.
ハンターはネットでウサギを捕まえました。
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 noun /ˈɛnsaɪn/

ensign

Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
その船は港を出る前に国旗を掲げました。
C2 noun /ˈɛpəʊd/

epode

抒情詩の一形式
Meaning
A form of lyric poem written in couplets, often following a strophe and antistrophe in classical Greek poetry.
Example
The poet concluded his ode with a striking epode.
詩人は印象的なエポードでオードを締めくくった。
C2 noun /ˈɛpəlɛt/

epaulet

肩章
Meaning
An ornamental shoulder piece on a garment, especially on the coat or jacket of a military uniform.
Example
The general’s uniform had a golden epaulet on each shoulder.
将軍の制服は、両肩に金色のエポーレットが付いていた。
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

チームスピリット
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
チームのスピリットは、彼らの協力的な努力に明らかに現れていた。
C2 noun /ɪˈbʊliəns/

ebullience

熱狂
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
教師の熱狂が生徒たちをインスパイアしました。
C2 noun /ˈɛksplətɪv/

expletive

罵声
Meaning
a word or phrase used as an exclamation, often offensive or profane
Example
He shouted an expletive when he dropped the hammer on his foot.
彼はハンマーを足に落としたときに罵声をあげました。
C2 adjective /ˌiːvənˈhændɪd/

evenhanded

公平な
Meaning
Fair and impartial; showing no bias or favoritism.
Example
The judge was praised for her evenhanded approach to the case.
その裁判官は、公平なアプローチでその事件を扱ったことで称賛されました。
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。
C2 verb /ɪkˈskruːʃieɪt/

excruciate

苦しめる
Meaning
to cause intense pain or suffering
Example
The injury excruciated him with unbearable pain.
その怪我は彼を耐え難い痛みに苦しめました。
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

エピサイクロイド
Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
数学者はエピサイクロイドの描き方を示しました。
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。
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。
C2 adjective /ˌɛkspəˈdɪʃəs/

expeditious

迅速
Meaning
Done with speed and efficiency.
Example
The expeditious delivery of the package was appreciated.
パッケージの迅速な配達が評価されました。
C2 noun /ˈɛpɪɡræm/

epigram

エピグラム
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
オスカー・ワイルドは鋭いエピグラムで有名でした。
C2 verb /ɛnˈdʒɔɪn/

enjoin

命じる, 禁止する
Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
裁判官は会社に活動を続けることを禁じました。
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。
C2 adjective /juːˈfoʊniəs/

euphonious

耳に心地よい音
Meaning
Pleasing to the ear; having a sweet sound.
Example
The poet's euphonious language made the verse a delight to read.
詩人のユーフォニアスな言葉は詩を読む喜びに変えました。
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。
C2 noun/adjective /ɪˈmɒliənt/

emollient

肌を柔らかくする物質
Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
彼女は乾燥肌を治すためにエモリエントクリームを使いました。
C2 adjective /ɛmˈpaɪriəl/

empyreal

天上的
Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
詩人は星の天上的な美しさを描写しました。
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。
C2 noun /ˈɛmɪsɛri/

emissary

使者
Meaning
A person sent on a special mission, usually as a diplomatic representative.
Example
The king sent an emissary to negotiate peace.
王は平和交渉のために使者を送った。
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

開花
Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
庭は春にその開花のピークに達していました。
C2 verb /ɪˈnæmər/

enamor

恋する
Meaning
to be filled with love or admiration for
Example
She was enamored with the beautiful scenery.
彼女は美しい景色に恋していた。
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 /ɪkˈstruːd/

extrude

押し出す
Meaning
to force something out through a small opening; to shape by pushing material through a mold
Example
The factory extrudes plastic pipes using modern machines.
工場は最新の機械を使用してプラスチック管を押し出します。
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。
C2 verb /ˈekspərˌɡeɪt/

expurgate

削除する
Meaning
To remove offensive or objectionable parts from a text or speech.
Example
The publisher decided to expurgate the novel before reprinting it.
出版社は再版前に小説を削除することにした。
C2 noun /ˈiːɡres/

egress

出口
Meaning
The action of going out or leaving a place; an exit.
Example
The emergency door provided an egress for the trapped workers.
非常口は閉じ込められた作業員のために出口を提供しました。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
C2 verb /ɪnˈtræp/

entrap

Meaning
To catch or trick someone into a difficult situation.
Example
The police tried to entrap the criminal with false evidence.
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 noun /ˈɛskwaɪər/

esquire

エスクワイア
Meaning
A title of respect often used after a man's name, especially for lawyers in the United States.
Example
John Smith, Esquire, will be representing the client in court.
ジョン・スミス、エスクワイア、は法廷でクライアントを代表する予定です。
C2 adjective /ˈeksɪkrəbl/

execrable

ひどい
Meaning
Extremely bad or unpleasant.
Example
The movie was so execrable that many people left the theater early.
その映画はひどすぎて、多くの人々が早く映画館を出て行きました。
C2 adjective /ˈɛrzæts/

ersatz

代用品
Meaning
made or used as a substitute, typically an inferior one
Example
The cheap shoes were made of ersatz leather.
安い靴は代用品の合成皮革で作られていました。
C2 noun /ɪnˈtriːti/

entreaty

請願
Meaning
An earnest or humble request or plea.
Example
She made an entreaty for peace during the heated argument.
彼女は激しい議論の中で平和を求める請願をしました。
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。