mobile security
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B2 noun ˈmoʊ.baɪl sɪˈkjʊr.ə.ti

mobile security

モバイルセキュリティ
Meaning
Protection of mobile devices and the data stored on them from security threats.
Example
Strong mobile security protects personal information.
強力なモバイルセキュリティは個人情報を保護します。
C2 noun /ɪnˈtɛstəsi/

intestacy

遺言なしで死亡
Meaning
The condition of dying without having made a valid will.
Example
His estate was divided according to the laws of intestacy.
彼の財産は遺言なしでの法則に従って分けられた。
B2 adjective /ɪnˈseɪn/

insane

狂気
Meaning
mentally ill; extremely foolish or unreasonable
Example
The idea of jumping off the cliff seemed insane.
崖から飛び降りる考えは狂気のように思えた。
C1 adjective /ˈfeɪl.seɪf/

fail-safe

故障防止
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
エンジニアは原子力発電所に故障防止メカニズムを設置しました。
C2 noun /ˈæpədʒiː/

apogee

頂点
Meaning
the highest or most distant point; the climax or peak of something
Example
The empire reached its apogee during the 18th century.
帝国は18世紀にその頂点に達しました。
C2 noun /sɪnˈtɪl.ə/

scintilla

小さな火花
Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
彼女の心には疑いのひらめきもなかった。
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

重要な
Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
その会議はプロジェクトの未来にとって重要でした。
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

不信者
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
彼は伝統的な信仰を拒否したため、不信者と呼ばれました。
A1 adjective /ˈsɔːri/

sorry

ごめん
Meaning
feeling regret or sympathy
Example
She felt sorry for what had happened.
彼女は起こったことを後悔していた。
B2 noun /əkˈsɛsəri/

accessory

アクセサリー; 犯罪に加担する人物
Meaning
a thing which can be added to something else to make it more useful, versatile, or attractive; a person who assists in committing a crime
Example
She bought some stylish accessories for her new phone.
彼女は新しい電話のためにいくつかのスタイリッシュなアクセサリーを買いました。
C1 adjective /ˈɔːrdɪnəl/

ordinal

順序数
Meaning
Relating to the order or position of something in a sequence (first, second, third, etc.).
Example
The ordinal number 'third' indicates position in a sequence.
'第三'の順序数は、順番での位置を示します。
C1 verb /ˈænɪmeɪt/

animate

アニメーションする
Meaning
to bring to life or make lively; to create animation for films or cartoons
Example
The artist will animate the characters for the movie.
アーティストは映画のキャラクターをアニメートします。
C1 verb /dɪˈfɔːrm/

deform

変形する
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温がプラスチック容器を変形させ始めた。
B2 noun /ˈspɒt.laɪt/

spotlight

Meaning
a strong beam of light directed onto a particular area; figuratively, public attention
Example
The singer stood proudly in the spotlight.
B1 verb /sɪˈlekt/

select

選ぶ
Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
お気に入りの色を選んでください。
C1 noun, verb /buːz/

booze

酒
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
彼らはパーティーのために酒を買った。
C2 adjective /ˈvɛəriəˌɡeɪtɪd/

variegated

まだらの
Meaning
Having different colors, especially in irregular patches or streaks.
Example
The garden was full of variegated plants.
庭はまだらの植物でいっぱいでした。
C1 noun /ˈliːweɪ/

leeway

余裕
Meaning
Freedom to act within certain limits; extra space or time.
Example
The manager gave the team some leeway to finish the project.
マネージャーはチームにプロジェクトを終了するための余裕を与えました。
C2 noun /ˌbʌkəˈnɪər/

buccaneer

海賊
Meaning
a pirate, especially one active in the Caribbean during the 17th and 18th centuries
Example
The buccaneer sailed across the Caribbean in search of treasure.
その海賊はカリブ海を航海し、宝物を探していた。
C1 noun/verb /ɡrʌdʒ/

grudge

Meaning
A persistent feeling of ill will or resentment from a past insult or injury.
Example
She still holds a grudge against him for what happened years ago.
B2 noun /ˈdʒel.ə.si/

Jealousy

嫉妬; 競争相手に対する憤り
Meaning
a feeling of envy of someone or their achievements; resentment against a rival
Example
His jealousy over his colleague's promotion led to tension in the workplace.
彼の同僚の昇進に対する嫉妬は職場での緊張を引き起こしました。
C2 noun /ˈhʌstɪŋz/

hustings

選挙活動
Meaning
the political campaigning and speeches before an election
Example
The candidate gained popularity during the hustings.
候補者は選挙活動中に人気を集めました。
B2 verb /əˈblaɪdʒ/

oblige

義務付ける
Meaning
to compel or require someone to do something; to help or do a favor
Example
I would be happy to oblige you with the information you need.
必要な情報を提供してお手伝いできれば嬉しいです。
C1 adverb /ˈhɛdˌlɔŋ/

headlong

無鉄砲に
Meaning
With the head leading; in a rush or without thinking.
Example
She rushed headlong into the new project.
彼女は無鉄砲に新しいプロジェクトに飛び込んだ。
B1 noun /fəˈsɪl.ɪ.ti/

facility

施設
Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
The facility was well-maintained.
施設はよく管理されていました。
B2 verb /ɪmˈpaʊər/

empower

Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
C2 verb /əˈvaʊtʃ/

avouch

主張する
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
彼は裁判官の前で無実を主張しました。
B2 noun fɪkst ˈɪnkʌm

fixed income

固定収入
Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
固定収入の投資は信頼性の高いリターンを提供します。
A2 verb /bɜːrn/

burn

燃える
Meaning
to be on fire; to damage with fire or heat
Example
The candle will burn for several hours.
キャンドルは数時間燃え続けます。
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

超越的
Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
哲学者たちはしばしば人間の知覚を超えたウルトラムンデインな現実について議論します。
C1 adjective /ˈskɪtɪʃ/

skittish

神経質な
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
その馬は乗るには神経質すぎた。
C2 noun /ˌdiːlɛkˈteɪʃən/

delectation

喜び
Meaning
great pleasure or delight
Example
She read the story aloud for the delectation of her friends.
彼女は友達の喜びのために物語を大声で読みました。
C2 adjective /juːˈnɪsənənt/

unisonant

調和の取れた
Meaning
Sounding together or in harmony.
Example
The unisonant voices created a powerful effect.
調和の取れた声が強力な効果を生み出した。
A2 adjective /ˈpraɪ.mɛr.i/

primary

主要な, 初歩的な
Meaning
Most important; main; happening first.
Example
Education is a primary factor in economic growth.
教育は経済成長の主要な要素です。
C2 noun /ˈpaʊ.waʊ/

powwow

インフォーマルミーティング
Meaning
an informal meeting or conference to discuss something
Example
The team held a quick powwow before the presentation.
チームはプレゼンテーションの前に迅速なインフォーマルミーティングを開催しました。
B2 noun ˈpærəˌlɛlz

parallels

類似点
Meaning
Similarities or comparisons between two different things or situations
Example
There are parallels between Japan's aging issues and Bangladesh's situation.
日本の高齢化問題とバングラデシュの状況にはパラレルが存在します。
C1 adverb /əˈraɪ/

awry

失敗
Meaning
away from the expected or proper direction; wrong or amiss
Example
The plan went awry when the weather suddenly changed.
天気が突然変わったとき、計画は失敗した。
C2 adjective /ˈhed.i/

Heady

陶酔的
Meaning
having a strong or exhilarating effect; intoxicating; exciting
Example
The heady perfume of jasmine filled the garden.
ジャスミンの陶酔的な香りが庭に満ちていた。
B1 adjective /əˈbiː.di.ənt/

Obedient

従順な
Meaning
willing to comply with orders or instructions; submissive
Example
The obedient student always follows the teacher's instructions.
従順な生徒はいつも先生の指示に従う。
C1 noun /ˈvɪɡər/

vigor

活力
Meaning
Physical strength, energy, or enthusiasm.
Example
She tackled the project with great vigor and determination.
彼女は大きな活力と決意を持ってそのプロジェクトに取り組んだ。
C1 verb /dʒəʊlt/

jolt

衝撃
Meaning
to push or shake someone or something abruptly and roughly
Example
The sudden stop jolted all the passengers forward.
突然の停止で、すべての乗客が前方に押し出されました。
C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

悪魔的な
Meaning
characteristic of or resembling a demon; wildly evil
Example
He gave a demoniacal laugh that terrified everyone.
彼は皆を恐れさせるような悪魔的な笑い声を上げた。
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

カシューナッツ
Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
カシューナッツは、料理や健康的なおやつに使われることがよくあります。
B2 noun /ˈɡleɪʃər/

glacier

氷河
Meaning
a large mass of ice that moves slowly over land
Example
The glacier is slowly melting due to climate change.
氷河は気候変動のためにゆっくりと溶けています。
B2 noun /ɪnˈvɒlvmənt/

involvement

関与
Meaning
the act of taking part in something
Example
His involvement in the project was crucial.
彼のプロジェクトへの関与は重要だった。
C1 noun /ˈbaɪ.lɔː/

by-law

地方条例
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
市議会は、街頭の販売業者を規制する新しい条例を可決しました。
A2 noun /ˈriːdər/

reader

読者
Meaning
a person who reads or who is capable of reading
Example
She is a fast reader, finishing books in a day.
彼女は速読者で、1日で本を読み終えます。
B2 adjective ɪkˈsep.ʃən.əl

exceptional

卓越した
Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
卓越した才能が革新を促進する。
B2 adjective /ˌfɪl.əˈsɒf.ɪ.kəl/

philosophical

哲学的
Meaning
relating to the study of the fundamental nature of knowledge, reality, and existence
Example
She maintained a calm and philosophical attitude during the crisis.
危機の間、彼女は冷静で哲学的な態度を保ちました。
B2 adjective /əˈvɔɪdəbl/

avoidable

避けられる
Meaning
able to be prevented or avoided
Example
Most of the damage was avoidable with proper planning.
適切な計画があれば、ほとんどの被害は避けられた。
B2 adjective /ˈprɛdʒədɪst/

prejudiced

偏見のある
Meaning
having or showing a dislike or bias against a person or group without proper reason
Example
He was prejudiced against people from other regions.
彼は他の地域の人々に対して偏見を持っていた。
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

儀式
Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
結婚式では多くの伝統的な儀式が行われました。
B1 verb /ɪɡˈzɪst/

exist

存在する
Meaning
to have being or reality; to be present
Example
Dinosaurs existed millions of years ago.
恐竜は数百万年前に存在していました。
C1 noun /ˈmɔː.tər ænd ˈpes.əl/

Mortar and Pestle

モルタルと乳鉢
Meaning
a bowl and grinding tool used to crush and grind spices, herbs, and other substances
Example
She ground the spices using a mortar and pestle.
彼女はモルタルと乳鉢を使って香辛料を挽いた。
C2 noun /ˈpæn.θi.ɪ.zəm/

pantheism

汎神論
Meaning
The belief that God and the universe are identical, or that everything is a manifestation of God.
Example
Spinoza’s philosophy is often associated with pantheism.
スピノザの哲学はしばしば汎神論と関連付けられます。
C1 adjective /ˈwɒŋki/

Wonky

不安定な; 信頼できない; 正常に動作しない
Meaning
unstable; unreliable; not working properly
Example
The old chair was wonky and wobbled every time someone sat on it.
古い椅子は不安定で、誰かが座るたびに揺れていました。
B2 adjective /əˈfekʃənət/

Affectionate

愛情深い; 思いやりのある; 優しい; 愛情を示す
Meaning
loving; caring; tender; showing affection
Example
She is very affectionate towards her children.
彼女は子供たちにとても愛情深いです。
C2 adjective /rəˈpeɪ.ʃəs/

rapacious

貪欲
Meaning
having an extreme desire to take things for oneself, greedy
Example
The rapacious landlord raised the rent without reason.
貪欲な家主は理由もなく家賃を上げた。
A2 adjective /ˈfæstɪst/

fastest

最速の
Meaning
moving or capable of moving at the highest speed
Example
Usain Bolt is the fastest runner in the world.
ウサイン・ボルトは世界で最も速いランナーです。
C1 adjective /ˌhɪpəˈkrɪtɪkəl/

Hypocritical

偽善的な
Meaning
behaving in a way that contradicts one's stated beliefs or values
Example
It's hypocritical to preach honesty while lying yourself.
嘘をつきながら正直を説くのは偽善的です。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

隣接性
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
二国間の隣接性が貿易を促進します。
C2 noun /prɪˈfɜːrmənt/

preferment

昇進
Meaning
promotion or advancement in rank, position, or office
Example
He hoped for preferment in the government office.
彼は政府のオフィスで昇進を望んでいた。
C1 adjective /ˈreɡ.jʊ.lə.tər.i/

Regulatory

規制
Meaning
Having the power to control or govern something through rules and regulations.
Example
The government enforces regulatory policies for financial stability.
政府は金融安定性のために規制政策を実施しています。
C2 adjective /kəˈprɪʃəs/

capricious

気まぐれな
Meaning
given to sudden and unaccountable changes of mood or behavior
Example
The stock market can be capricious, shifting dramatically without warning.
株式市場は気まぐれで、予告なしに劇的に変動することがあります。
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

マクロコスモス
Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
宇宙のマクロコスモスは人間の生活のミクロコスモスを反映しています。
C2 noun /ˈpɜːrsɪflɑːʒ/

persiflage

軽い皮肉
Meaning
light and slightly contemptuous mockery or banter
Example
Their conversation was full of persiflage and jokes.
彼らの会話は軽い皮肉とジョークでいっぱいだった。
B2 noun prɛsˈtiːʒ

prestige

名声
Meaning
Widespread respect and admiration felt for someone or something on the basis of a perception of their achievements or quality.
Example
The university has gained international prestige for its research.
その大学は研究で国際的な名声を得ました。
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。
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

感受性
Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
彼女の芸術的な感受性は、絵画の細部を評価するのに役立ちました。
A2 verb /kənˈtɪnjuː/

continue

続ける
Meaning
To keep happening, existing, or doing something without stopping.
Example
The rain will continue throughout the night.
雨は一晩中続きます。
C2 adjective /bɪˈfʌdld/

befuddled

困惑した
Meaning
confused, unable to think clearly
Example
He looked befuddled after hearing the complex instructions.
彼は複雑な指示を聞いた後、困惑したように見えました。
C1 noun /ˈkleɪmənt/

claimant

請求者
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
事故後、請求者は補償を申し立てました。
C2 noun /ˈmænˌiː.tər/

man-eater

人食い
Meaning
An animal that kills and eats humans; informally, a woman who is very assertive in relationships.
Example
The tiger became a notorious man-eater in the village.
その虎は村で悪名高い人食いとなった。
C2 verb /ˌɪn.trəˈmɪt/

intromit

挿入する
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
医者は慎重に器具を傷口に挿入しました。
C2 verb /rɛtʃ/

retch

幸せ
Meaning
to make the sound and movement of vomiting without bringing anything up
Example
The smell of spoiled food made him retch violently.
賞を受け取った時、彼女は喜びを隠すことができませんでした。
C1 noun /traɪˈbjuːnəl/

tribunal

裁判所
Meaning
a court of justice or body established to settle disputes
Example
The case was heard in an international tribunal.
その事件は国際裁判所で審理されました。
B1 noun /ˈbæŋkɪŋ/

banking

銀行業務または銀行サービス
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
オンラインバンキングは金融取引を簡単にしました。
C2 verb /əˈvʌls/

avulse

引き裂く
Meaning
to tear away or separate forcibly, especially in medical or geological contexts
Example
The surgeon had to avulse the damaged tissue during the operation.
外科医は手術中に損傷した組織を引き裂かなければならなかった。
B2 adjective /ˈspiːtʃləs/

speechless

言葉を失う
Meaning
Unable to speak because of shock, surprise, or strong emotion.
Example
She was speechless when she received the award.
彼女は賞を受け取ったとき、言葉を失いました。
C1 adjective /ˌəʊvərˈstɪmjʊˌleɪtɪd/

overstimulated

Meaning
Excessively excited or aroused, overwhelmed by too much stimulus.
Example
Overstimulated minds can lead to burnout and decreased productivity.
C1 noun koʊˈhisɪv ˈjunɪts

cohesive units

結束した単位
Meaning
Groups or organizations that work together as unified wholes, with members closely bound together.
Example
Early humans formed cohesive units for survival.
初期の人類は生存のために結束した単位を作った。
C2 adjective /ˈbʌsti/

busty

胸が豊かな
Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
その女優はファッション雑誌でよく胸が豊かなと表現された。
B1 noun /reɪ/

ray

光線
Meaning
a narrow beam of light, heat, or radiation
Example
A ray of sunlight broke through the clouds.
太陽の光線が雲を突き抜けた。
C1 verb /ˈbruːtəlaɪz/

brutalize

残虐に扱う
Meaning
to treat someone with extreme violence or cruelty; to make something harsh or cruel
Example
The regime was accused of brutalizing innocent civilians.
その政権は無実の民間人を残虐に扱ったとして非難された。
C2 noun /ˈnɛkrəˌmænsi/

necromancy

死霊術
Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
古代の文献には、神父たちによって行われた死霊術の儀式が記述されています。
C2 noun /hɑrˈmoʊniəm/

Harmonium

ハーモニウム
Meaning
a keyboard musical instrument similar to an organ, using air to produce sound
Example
She played devotional songs on the harmonium at the temple.
彼女は寺院でハーモニウムを使って祈りの歌を演奏した。
C2 noun /roʊˈtʌn.də.ti/

rotundity

円形
Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
風船の円形がそれを優雅に浮かせた。
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

示唆
Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
彼女は自分の計画について何の示唆も与えなかった。
B1 adjective /ˈspaɪ.si/

Spicy

スパイシー
Meaning
having a strong, hot flavor from spices; containing spices
Example
This curry is too spicy for me to eat.
このカレーは私には辛すぎます。
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

社会経済的進歩
Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
社会経済的進歩は、疎外されたコミュニティを引き上げます。
B1 noun /ˈhɔːlweɪ/

hallway

廊下
Meaning
a corridor in a building that connects rooms
Example
The kids left their shoes in the hallway.
子供たちは靴を廊下に置いていった。
C1 verb /ˈkɒnskrɪpt/

conscript

徴兵する
Meaning
to force someone into military service
Example
The government conscripted young men during the war.
政府は戦争中に若い男性を徴兵しました。
B1 adjective /ˈɔːɡənaɪzd/

organized

組織的な
Meaning
Arranged in a systematic way, especially on a large scale.
Example
An organized approach to work increases productivity and reduces stress.
仕事に対する組織的なアプローチは、生産性を高め、ストレスを減らします。
B2 noun /ɪnˈtɛnsəti/

intensity

強度
Meaning
The quality of being extreme, strong, or forceful in degree.
Example
The intensity of the storm frightened the villagers.
嵐の強度は村人たちを驚かせた。
B2 noun ˈbentʃ.mɑːk

benchmark

基準
Meaning
A standard or point of reference against which things may be compared or assessed.
Example
Sabah Al Ahmad Sea City sets a benchmark in sustainability.
サバ・アル・アハマド海港都市は、持続可能性の基準を設定しました。
C2 noun /ˈpɑr.bəl/

Parbal

尖ったウリ
Meaning
A green vegetable also known as pointed gourd, commonly used in South Asian cuisine
Example
Mother prepared parbal curry with fish.
母は魚と一緒に尖ったウリのカレーを作りました。
C1 adjective /əˈniːmɪk/

anemic

貧血
Meaning
Suffering from anemia; lacking in vitality, strength, or color.
Example
The doctor prescribed iron supplements for her anemic condition.
医者は彼女の貧血状態のために鉄分補充剤を処方しました。
B1 noun /ˈklaɪ.mət/

climate

気候
Meaning
The weather conditions prevailing in an area in general.
Example
Climate change impacts all regions globally.
気候変動は世界中のすべての地域に影響を与えます。
A1 noun /bæk/

Back

背中
Meaning
the rear surface of the human body from the shoulders to the hips; the spine
Example
She hurt her back while lifting heavy boxes.
彼女は重い箱を持ち上げているときに背中を痛めました。
A2 noun /stoʊn/

stone

石
Meaning
a hard, naturally occurring mineral material found in the earth
Example
He threw a stone into the lake.
彼は湖に石を投げました。
C1 noun /ˈθɪk.ɪt/

Thicket

茂み; 低木の成長
Meaning
a dense group of bushes or trees; a thick growth of shrubs
Example
The rabbit disappeared into the thicket.
ウサギは茂みに消えました。
C2 verb, noun /blæb/

blab

ぺらぺら話す；秘密を漏らす
Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
彼はうっかりサプライズをみんなに話してしまった。
A2 noun ˈtʃælɪndʒ

challenge

挑戦
Meaning
A call to take part in a contest or competition, especially a demanding or stimulating one; a task or situation that tests someone's abilities.
Example
Plastic pollution poses a significant challenge to global health.
プラスチック汚染は、世界の健康にとって重要な挑戦を提起しています。
C1 adjective /ˈfuːlpruːf/

foolproof

失敗しない
Meaning
Designed to be very easy to use or understand, leaving no possibility of failure or error.
Example
The new software has a foolproof installation process.
新しいソフトウェアには失敗しないインストールプロセスがあります。
C1 noun /ˈneb.jʊ.lə/

nebula

星雲
Meaning
A cloud of gas and dust in outer space, sometimes visible in the night sky.
Example
The Orion Nebula is one of the brightest in the sky.
オリオン星雲は空で最も明るいものの一つです。
C2 noun /ˌmɑːrtəˈnɛt/

martinet

厳格な規律の指導者
Meaning
A strict disciplinarian who demands rigid adherence to rules.
Example
The new manager was such a martinet that even minor infractions were punished.
新しいマネージャーはマルティネットのようで、些細な違反も処罰されました。
C1 verb /ɪnˈθrɔːl/

enthrall

魅了する
Meaning
to captivate or hold someone’s attention completely
Example
The magician’s tricks enthralled the children.
マジシャンのトリックは子供たちを魅了しました。
C2 noun, verb /ˈmaɪər/

mire

Meaning
A stretch of swampy or boggy ground; as a verb, to entangle or involve someone in a difficult situation.
Example
The car was stuck in the mire after the heavy rain.
C1 verb /praʊl/

prowl

こっそり歩く（狩りや探索のため）
Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
猫は夜、庭の周りを静かに歩いていた。
C1 noun /krʌˈsteɪʃən/

crustacean

硬い殻を持つ水生動物
Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
カニやロブスターはよく知られている甲殻類です。
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

集積
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
その都市はさまざまな文化とコミュニティの集積です。
C1 noun /klaʊt/

clout

影響力
Meaning
influence or power, especially in politics or business
Example
The businessman has a lot of political clout.
そのビジネスマンは政治的な影響力を持っています。
C1 adjective /kəmˈplɪsɪt/

complicit

共犯者 (犯罪で)
Meaning
involved with others in an illegal activity or wrongdoing
Example
He was found complicit in the crime.
彼は犯罪で共犯者として見つかりました。
B2 noun /ˈbev.ər.ɪdʒ/

Beverage

飲み物
Meaning
a drink, especially one other than water
Example
Would you like a hot or cold beverage with your meal?
食事に温かい飲み物または冷たい飲み物をお望みですか？
C2 adjective /fəˈloʊniəs/

felonious

重大な犯罪に関連する
Meaning
relating to or involved in serious criminal activity
Example
He was charged with felonious assault after the incident.
事件の後、彼は重罪暴行で起訴されました。
A1 verb /brɪŋ/

bring

持ってくる
Meaning
to carry or take something to a place; to come with something
Example
Please bring your books to class tomorrow.
明日、クラスに本を持ってきてください。
C1 verb /klɪntʃ/

clinch

Meaning
To secure or settle something decisively; to grasp tightly.
Example
The team clinched the championship with a last-minute goal.
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

鉄 / アイロン
Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
彼はシャツを滑らかにするためにアイロンを使った。
A2 noun /siːd/

seed

種
Meaning
the small, hard part of a plant from which a new plant can grow
Example
I planted a seed in the garden.
私は庭に種を植えました。
B2 noun /ˈtrɪl.jən/

trillion

トリリオン
Meaning
a number equal to 1,000 billion, or 10^12
Example
The company's worth has risen to over a trillion dollars.
その企業の価値は1兆ドル以上に上昇しました。
C2 adverb /ˈtrɛbli/

trebly

Meaning
in a triple manner or to a threefold degree
Example
The sound was trebly distorted through the old speakers.