adjoin
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
C1 verb /əˈdʒɔɪn/

adjoin

隣接する
Meaning
To be next to and joined with something.
Example
Their house adjoins the park.
彼らの家は公園に隣接しています。
C1 noun /kriːd/

creed

信条, 原則
Meaning
A system of religious or spiritual beliefs or a guiding principle.
Example
Freedom of speech is part of his personal creed.
言論の自由は彼の個人的な信条の一部です。
C1 noun /ˈblɪs.tər/

Blister

水ぶくれ
Meaning
a small bubble on the skin filled with serum and caused by friction, burning, or other damage
Example
The new shoes gave her a painful blister on her heel.
新しい靴が彼女のかかとに痛い水ぶくれを作った。
C1 noun /rɪˈfaɪnəri/

refinery

製油所
Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
石油精製所は毎日何千バレルもの石油を処理します。
C1 adjective /kənˈtɪn.ju.əl/

Continual

継続的な; 絶え間ない
Meaning
happening repeatedly over a long period of time; constant and uninterrupted
Example
The continual noise from the construction site was very annoying.
建設現場からの継続的な音は非常に迷惑でした。
C1 noun /ˈsɒnɪt/

sonnet

ソネット
Meaning
A poem of 14 lines using formal rhyme schemes, often about love.
Example
Shakespeare wrote many famous sonnets about love and beauty.
シェイクスピアは愛と美について多くの有名なソネットを書きました。
C1 noun /ˈper.ɪ.wɪŋ.kəl/

Periwinkle

ペリウィンクル
Meaning
a small trailing plant with violet-blue or white flowers
Example
Purple periwinkles covered the garden ground beautifully.
紫色のペリウィンクルが美しく庭の地面を覆っていました。
C1 verb /ˈsmʌðər/

smother

窒息させる / 覆う
Meaning
to kill someone by covering their nose and mouth to prevent breathing; to cover something completely; to overwhelm with excessive attention or affection
Example
She smothered the fire with a blanket.
彼女は毛布で火を覆った。
C1 adjective /ɪmˈpɛndɪŋ/

impending

差し迫った
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
村人たちは差し迫った洪水を心配していた。
C1 noun /ˈkɑːrtɪlɪdʒ/

cartilage

軟骨
Meaning
A firm, flexible connective tissue found in various parts of the body such as joints, ear, and nose.
Example
The doctor explained that the injury damaged the cartilage in his knee.
医者はその怪我が彼の膝の軟骨にダメージを与えたと説明しました。
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

劣化
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
過剰な使用による土壌の劣化は、増大する問題です。
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

不吉な予感
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
彼女は廃屋に入るとき、深い不吉な予感を感じた。
C1 adverb /ɪnˈvɜːrs.li/

Inversely

逆に; 反対に
Meaning
in a way that is opposite or contrary; in reverse order or manner
Example
The price of goods is inversely related to their availability in the market.
商品の価格は市場での入手可能性に逆に関連しています。
C1 noun /jɛn/

yen

欲望
Meaning
A deep, strong desire or craving.
Example
She felt a strong yen to travel the world.
彼女は世界を旅したいという強い欲望を感じた。
C1 noun /ˈpoʊʃən/

potion

薬の飲み物
Meaning
a liquid with healing, magical, or poisonous properties
Example
The witch gave the hero a healing potion.
魔女はヒーローに治療用のポーションを渡しました。
C1 verb /ˈfɔːltər/

falter

ためらう、または力や勢いを失う
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
彼女の声はスピーチをする際に途切れました。
C1 noun /ˈmɪd.waɪf/

midwife

助産師
Meaning
A person, typically a woman, trained to assist women during childbirth.
Example
The midwife stayed with the mother throughout her labor.
助産師は出産中ずっと母親と一緒にいました。
C1 verb /dɪˈfaɪl/

defile

汚す
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
川は工業廃水によって汚された。
C1 noun /ˈkruːsɪbəl/

crucible

過酷な試練、溶鉱炉
Meaning
a severe test or trial; a container used for heating substances to very high temperatures
Example
The team emerged stronger from the crucible of competition.
チームは競争の過酷な試練を乗り越えて、より強くなった。
C1 adjective /əˈblaɪdʒɪŋ/

obliging

親切な
Meaning
Willing to help or do favors; accommodating.
Example
The staff at the hotel were very obliging and friendly.
ホテルのスタッフはとても親切で友好的でした。
C1 verb /trænˈspaɪər/

transpire

発生する
Meaning
to occur, happen, or become known
Example
It transpired that he had lied about his age.
彼が年齢について嘘をついていたことが明らかになった。
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 noun /ˈpɑːrtʃmənt/

parchment

羊皮紙
Meaning
a thin material made from animal skin, used in the past for writing
Example
The ancient manuscript was written on parchment.
古代の写本は羊皮紙に書かれていました。
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 noun /ˈmætɪneɪ/

matinee

午後の公演
Meaning
A performance, especially a play or movie, that takes place in the afternoon.
Example
We bought tickets for the Sunday afternoon matinee.
私たちは日曜日の午後の公演のチケットを買いました。
C1 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

分権
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
分権は地域の自立を促進します。
C1 adjective /wɪðˈdrɔːn/

withdrawn

内向的
Meaning
quiet and shy; not wanting to talk to others
Example
After the incident, he became withdrawn and avoided his friends.
その事件の後、彼は内向的になり、友達を避けるようになった。
C1 verb /ˌʌndərˈlaɪ/

underlie

基盤となる
Meaning
to be the hidden cause or basis of something
Example
Strong cultural traditions underlie the community's practices.
強い文化的伝統はコミュニティの慣習の基盤となっている。
C1 noun /ˈrep.lɪ.kə/

Replica

レプリカ
Meaning
an exact copy or model of something, especially one on a smaller scale
Example
The museum displayed a perfect replica of the ancient statue.
博物館は古代の彫像の完璧なレプリカを展示しました。
C1 noun /əˈrɪəz/

arrears

未払い
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
彼女は電気代の未払いが数ヶ月遅れていた。
C1 verb /rɪˈvoʊk/

revoke

取り消す
Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
政府は彼のパスポートを取り消すことを決定した。
C1 noun /ˈnɔːrməlsi/

normalcy

正常
Meaning
The condition of being normal; a return to usual or expected conditions.
Example
After the flood, the town struggled to regain a sense of normalcy.
洪水の後、町は正常な状態を取り戻すために奮闘しました。
C1 adjective ˈfjuː.taɪl

futile

無駄な
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
状況を変えるための彼の試みは無駄だった。
C1 noun /səˈvænə/

savanna

サバンナ（散在する木々がある草原）
Meaning
a grassy plain with scattered trees, typical of tropical and subtropical regions
Example
Giraffes browsed on acacia trees across the wide savanna.
キリンは広いサバンナでアカシアの木の葉を食べていました。
C1 adjective /kənˈvɜːrdʒənt/

convergent

収束する
Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
2つの川は湖に入る前に収束する道を持っています。
C1 verb /ɪmˈpɪndʒ/

impinge

影響を与える
Meaning
to have an effect or impact on something; to encroach or infringe
Example
The noise from the construction site impinges on our daily activities.
建設現場の音は私たちの日常的な活動に影響を与えます。
C1 adjective /ˈfrɛn.zid/

frenzied

狂乱
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
狂乱の群衆は、バンドがステージに上がると歓声を上げました。
C1 noun /ˈfɔːrˌbɛər/

forebear

先祖
Meaning
An ancestor, especially one who lived a long time ago.
Example
He often speaks of his forebears with great respect.
彼はしばしば自分の先祖について尊敬を込めて話します。
C1 noun, adjective /ˈrɛvərənd/

reverend

牧師, 尊敬される
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
レヴァレンドは教会で感動的な説教をしました。
C1 noun /ˈken.əl/

Kennel

犬小屋; 犬の繁殖や預かりを行う施設
Meaning
a small shelter for a dog; an establishment for the breeding or boarding of dogs
Example
The dog slept comfortably in his wooden kennel in the backyard.
犬は裏庭の木製のケネルで快適に寝ていました。
C1 adjective /bɪˈrɛft/

bereft

失われた
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
裏切りの後、彼は希望と信頼を失ったと感じた。
C1 adjective /riˈækʃəˌneri/

reactionary

反動的
Meaning
Opposing political or social progress or reform; extremely conservative.
Example
The group took a reactionary stance against the new policies.
グループは新しい政策に対して反動的な立場を取った。
C1 verb /bɪˈwɪldər/

bewilder

困惑させる
Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
複雑な指示は学生を困惑させました。
C1 noun /ˈdɪsɪdənt/

dissident

反体制派
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
反体制派は政府に対する発言で逮捕された。
C1 adjective /dɪˈsɜːrnəbl/

discernible

明白な
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
彼の行動には明らかな変化があった。
C1 noun /ˈpær.ə.di/

Parody

パロディ
Meaning
an imitation of a particular style for comic effect; a humorous exaggerated copy
Example
The comedy show featured a parody of famous politicians.
そのコメディ番組は有名な政治家のパロディを特集した。
C1 adjective ɪˈθɪə.ri.əl

ethereal

天上的, 精緻な, 超自然的
Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
彼女の声にはエセリアルな質感がありました。
C1 noun /rɪˈvʌlʃən/

revulsion

嫌悪
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
彼女はその残酷な行為を見て嫌悪感を覚えた。
C1 noun/verb /dɪsˈdeɪn/

disdain

Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
C1 adjective /ʌnˈkɛmpt/

unkempt

だらしない
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
彼は一晩外で寝た後、だらしなく見えた。
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。
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

不可欠
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
水は人間の生存に不可欠です。
C1 adjective /ˈbrɪtl/

brittle

壊れやすい
Meaning
easily broken or cracked; hard but liable to break
Example
The glass was so brittle that it cracked easily.
ガラスはとても壊れやすくて、簡単に割れました。
C1 noun ˌfiː.zəˈbɪl.ə.ti

feasibility

実現可能性
Meaning
The state or degree of being easily or conveniently done; possibility.
Example
The company conducted a feasibility study before launching the project.
会社はプロジェクトを開始する前に実現可能性調査を行った。
C1 adjective ˈkɒn.və.luː.tɪd

convoluted

複雑な
Meaning
Extremely complex and difficult to follow; twisted or intricate.
Example
His argument was so convoluted that no one understood it.
彼の議論は非常に複雑で、誰も理解できませんでした。
C1 noun/adjective /ˈluː.nə.tɪk/

lunatic

狂人
Meaning
A person who is insane or acting in a foolish or reckless way; also used as an adjective meaning insane.
Example
The driver was driving like a lunatic on the highway.
運転手は高速道路で狂人のように運転していた。
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

再生する
Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
トカゲは失われた尾を再生できます。
C1 verb /paʊt/

pout

口を尖らせる
Meaning
to push one's lips forward as an expression of annoyance or sulkiness
Example
The child began to pout when he didn’t get the toy.
おもちゃをもらえなかったとき、子供は口を尖らせることを始めた。
C1 adjective /ˈkɔː.stɪk/

caustic

腐食性の、鋭い皮肉な
Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
彼女の鋭い皮肉な発言は彼の感情を傷つけた。
C1 adjective ˌɡæs.troʊ.ɪnˈtes.tɪ.nəl

gastrointestinal

胃腸の
Meaning
Relating to the stomach and intestines.
Example
Spicy food can cause gastrointestinal issues.
辛い食べ物は胃腸に問題を引き起こすことがあります。
C1 noun /ˈpɑːr.keɪ/

parquet

木製の床
Meaning
A floor made of wooden blocks arranged in a geometric pattern.
Example
The old mansion had a beautiful parquet floor.
その古い邸宅には美しい木製の床がありました。
C1 noun /juːˈtoʊpiə/

utopia

ユートピア
Meaning
An imagined perfect society or place where everything is ideal.
Example
Many philosophers dreamed of creating a utopia for humanity.
多くの哲学者は人類のためにユートピアを作る夢を見ていました。
C1 verb /ˈwɒb.l̩/

wobble

揺れる
Meaning
to move unsteadily from side to side; to shake or tremble slightly
Example
The table began to wobble when he leaned on it.
彼がそれに寄りかかったとき、テーブルは揺れ始めました。
C1 adjective /ˈsæv.i/

savvy

賢い, 熟練した
Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
彼女はテクノロジーに詳しい起業家です。
C1 noun ˈnɛktər

Nectar

蜜
Meaning
A sweet liquid produced by flowers that serves as food for butterflies.
Example
Butterflies drink nectar from flowers.
蝶々は花からネクターを飲みます。
C1 adjective /pəˈfʌŋk.tər.i/

perfunctory

表面的な
Meaning
done without much effort, interest, or thought
Example
He gave a perfunctory nod and walked away.
彼は表面的にうなずいて、歩き去った。
C1 noun /prɪˈrɒɡətɪv/

prerogative

特権
Meaning
a special right or privilege exclusive to a particular person or group
Example
It is the manager’s prerogative to make the final decision.
それはマネージャーの権限で最終決定を下すことです。
C1 adjective /məˈkɑː.brə/

Macabre

恐ろしい
Meaning
disturbing because concerned with death; gruesome and horrifying
Example
The horror movie had a macabre atmosphere.
ホラー映画には恐ろしい雰囲気がありました。
C1 noun /ˈhiːdənɪst/

hedonist

快楽主義者
Meaning
A person who believes that the pursuit of pleasure is the most important thing in life.
Example
She was called a hedonist because she always prioritized enjoyment over duty.
彼女は常に義務よりも楽しみを優先していたため、快楽主義者と呼ばれました。
C1 adjective /ˈskɛtʃi/

sketchy

不完全
Meaning
not thorough or detailed; suspicious or unsafe
Example
The details of the project were still sketchy.
プロジェクトの詳細はまだ不完全でした。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
C1 adjective ɪˈluː.sər.i

illusory

幻の
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
彼の安全感は完全に幻のものだった。
C1 noun /blɪs/

Bliss

完全な幸せ; 大きな喜び
Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
彼女は美しい夕日を見ながら純粋な幸せを感じました。
C1 adverb /ˌʌnkənˈvɛnʃənəli/

unconventionally

型破りに
Meaning
in a way that is not based on or conforming to accepted standards or norms
Example
She dresses unconventionally, mixing bold colors and patterns that surprise everyone.
彼女は型破りに服装をしており、大胆な色と柄を組み合わせて皆を驚かせる。
C1 noun/verb /ˈɪmprɪnt/

imprint

刻印
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
その出来事は都市の歴史に消えない刻印を残した。
C1 noun /ʃruː/

shrew

怒りっぽい女性 / 小さなネズミのような動物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
この劇は強い意志を持った女性を怒りっぽい女性として描いています。
C1 verb /ˈhaɪtən/

heighten

高める
Meaning
to make or become greater in intensity or degree
Example
The announcement served to heighten the excitement in the room.
その発表は部屋の興奮を高めるために役立ちました。
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

絶滅した飛行爬虫類
Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
博物館には巨大なプテロダクティルの化石が展示されていた。
C1 noun, verb /strænd/

strand

糸 / 取り残された
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
嵐は多くの観光客を島に取り残しました。
C1 verb /ˈtrɛspəs/

trespass

Meaning
to enter someone's land or property without permission
Example
He was fined for trespassing on private land.
C1 noun /ˈkætərækt/

cataract

白内障 / 滝
Meaning
A medical condition causing clouding of the eye's lens; also a large waterfall.
Example
The old man suffered from cataracts in both eyes.
その高齢の男性は両目に白内障を患っていました。
C1 verb /ˈstɪp.jʊ.leɪt/

stipulate

規定する
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
契約書には、支払いは30日以内に行われるべきであると明記されています。
C1 noun /ˈrɛspɪt/

respite

休息
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
週末は仕事からの歓迎される休息を提供しました。
C1 noun /ˈstrɑːtəm/

stratum

層
Meaning
a layer or level of material, or a social class in society
Example
The upper stratum of society enjoyed privileges not available to others.
社会の上層部は他の人々が手に入れられない特権を享受していました。
C1 noun /ˈtwɪstər/

twister

竜巻
Meaning
A tornado or something that twists; also refers to a challenging tongue twister.
Example
The twister destroyed several houses in the village.
竜巻は村のいくつかの家を破壊しました。
C1 verb /daɪˈvʌldʒ/

divulge

明らかにする
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
彼女は情報の源を明らかにすることを拒否しました。
C1 adjective /ˈɒptɪk/

optic

視覚の
Meaning
Relating to the eye or vision.
Example
The optic nerve carries signals from the eye to the brain.
視神経は目から脳に信号を伝達します。
C1 noun /ˌdez.ɪɡˈneɪ.ʃən/

Designation

任命; 役職; 職位; ステータス
Meaning
the action of choosing someone for a position; a name, title, or official status
Example
His designation as team leader came with additional responsibilities and authority.
チームリーダーとしての彼の任命は、追加の責任と権限を伴っていました。
C1 noun /ˈpɛnənt/

pennant

ペナント旗
Meaning
A tapering flag used for signaling or as an emblem of victory or achievement.
Example
The team raised the championship pennant proudly.
チームは誇らしげにチャンピオンシップペナント旗を掲げました。
C1 adjective /ˈstætʃətɔːri/

statutory

法定
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
会社はすべての法定規制に従わなければならない。
C1 noun /ˈtriːkəl/

treacle

濃厚で甘いシロップ
Meaning
A thick, sweet syrup; excessively sentimental speech or writing.
Example
She poured treacle over the pancakes.
彼女はパンケーキにシロップをかけた。
C1 adjective /səˈdʒɛstɪv/

suggestive

示唆的
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
その絵画は非常に示唆的で、たくさんの議論を引き起こしました。
C1 noun /ˈskruːpəl/

scruple

良心の呵責
Meaning
A moral or ethical consideration that restrains actions.
Example
He had no scruples about lying to get ahead.
彼は前進するために嘘をつくことに対して良心の呵責を感じていなかった。
C1 adjective /ˈdwɪndlɪŋ/

dwindling

減少
Meaning
Gradually reducing in number, size, or strength.
Example
The villagers relied on dwindling water supplies.
村人たちは減少していく水の供給に依存していた。
C1 noun /pəˈraɪə/

pariah

社会的に追放された人
Meaning
An outcast; someone who is rejected by society or a social group.
Example
After the scandal, he became a social pariah.
スキャンダルの後、彼は社会的なパリアになった。
C1 noun /ˌlɪbəˈreɪʃən wɔːr/

liberation war

解放戦争
Meaning
a war fought to gain freedom from foreign rule, occupation, or oppression; an armed struggle for national independence
Example
The liberation war reshaped the nation’s history and identity.
解放戦争は国の歴史を大きく変えた。
C1 noun /mɪsˈɡɪvɪŋz/

misgivings

疑念、不安
Meaning
feelings of doubt or concern about the outcome or propriety of something
Example
She had serious misgivings about signing the contract.
彼女は契約書にサインすることに対して深刻な疑念を抱いていた。
C1 noun /əbˈzɜːrvətɔːri/

observatory

天文台
Meaning
A building equipped for observing astronomical or meteorological events.
Example
The observatory is open to the public on weekends.
天文台は週末に一般公開されています。
C1 adjective /ˈfæn.sɪ.fəl/

fanciful

幻想的, 非現実的
Meaning
overimaginative, unrealistic, or whimsical
Example
The story was too fanciful to be true.
その話はあまりにも幻想的で、本当だとは思えなかった。
C1 adjective /ˌhɑːrdˈhɑːrtɪd/

hard-hearted

冷徹
Meaning
showing no kindness or sympathy; cruel
Example
The landlord was hard-hearted and refused to help the poor family.
家主は冷徹で、貧しい家族を助けることを拒否しました。
C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

市場浸透
Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
市場浸透が競争優位性を確保する。
C1 adverb /ˈfɪksɪdli/

Fixedly

固定的に
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
彼は絵を固定的に見つめていた。
C1 adjective /ˈsɛnʃənt/

sentient

感覚的
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
人間は推論する能力を持った感覚的存在です。
C1 noun ˈprɛvələns

prevalence

蔓延
Meaning
The fact or condition of being widespread; the extent to which something exists or occurs
Example
The prevalence of aging issues requires immediate attention.
老化問題の蔓延は即時の注意を必要とする。
C1 adjective /ˈɡæsiəs/

gaseous

気体の
Meaning
Relating to or having the form of gas.
Example
Carbon dioxide is a gaseous substance.
二酸化炭素は気体の物質です。
C1 adjective /vɪˈveɪʃəs/

vivacious

活発
Meaning
Attractively lively and animated.
Example
She was admired for her vivacious personality.
彼女はその活発な性格で賞賛された。
C1 noun /ɪmˈpjʊərəti/

impurity

不純物
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
科学者は水のサンプルからすべての不純物を取り除いた。
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

浸透、秘密のアクセス
Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
サイバーセキュリティは、機密データへの浸透を防ぎます。
C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化する
Meaning
To regard or represent something as perfect or better than it really is.
Example
Children often idealize their parents.
子供たちはしばしば親を理想化します。
C1 adjective /ˌæprɪˈhɛnsɪv/

apprehensive

不安な
Meaning
feeling anxious or fearful that something bad will happen
Example
He was apprehensive about starting a new job in a foreign country.
彼は外国で新しい仕事を始めることに不安を感じていた。
C1 verb /ˈkwɪvər/

quiver

震える
Meaning
To tremble or shake with slight but rapid motion.
Example
Her lips began to quiver as she tried not to cry.
彼女は泣かないように努力しながら唇が震え始めました。
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

使用可能
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
その古い自転車は年齢に関係なく、まだ使用可能です。
C1 adjective /məˈnæstɪk/

monastic

修道的な
Meaning
Relating to monks, monasteries, or a life of religious seclusion.
Example
He chose to live a monastic life away from the city.
彼は都市から離れた修道的な生活を選んだ。
C1 verb /ˌɪnstɪˈtjuːʃənəlaɪz/

institutionalize

制度化する
Meaning
to establish something as a formal institution, custom, or practice
Example
The government seeks to institutionalize environmental protection.
政府は環境保護を制度化しようとしています。
C1 noun /ˈpæŋkriəs/

pancreas

膵臓
Meaning
A gland in the abdomen that produces insulin and digestive enzymes.
Example
The pancreas plays a vital role in digestion and blood sugar regulation.
膵臓は消化と血糖の調節に重要な役割を果たしています。
C1 noun dɪˈskrep.ən.siz

discrepancies

不一致
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
規則の不一致が進行を遅らせている。
C1 verb /ɪmˈpɑːrt/

impart

伝える
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
教師は生徒に貴重な知識を授けました。
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

仲介者
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
外交官は二つの対立する国々の間で仲介者として機能した。
C1 adjective /ˈvɛdʒɪtətɪv/

vegetative

成長や生命の基本的なプロセスに関連する、しばしば意識的な思考や活動なしで
Meaning
relating to growth or the basic processes of life, often without conscious thought or activity
Example
The patient remained in a vegetative state after the accident.
事故の後、患者は植物状態にとどまっていました。
C1 noun /ˈdjuːplɛks/

duplex

デュプレックスハウス
Meaning
A house or apartment divided into two separate residences.
Example
They live in a duplex near the city center.
彼らは市の中心近くのデュプレックスに住んでいます。
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.