C1 verb /ɜːr/

err

誤る

Meaning

to make a mistake or be incorrect

Example

To err is human, to forgive divine.

誤ることは人間にとって自然なことであり、許すことは神聖である。

A1 noun /bed/

Bed

ベッド

Meaning

a piece of furniture for sleep or rest, typically a framework with a mattress

Example

She made her bed every morning before going to work.

彼女は毎朝仕事に行く前にベッドを整えます。

C2 adjective /spæzˈmɒdɪk/

spasmodic

痙攣性

Meaning

occurring irregularly or in sudden bursts

Example

The patient experienced spasmodic coughing during the night.

患者は夜間に痙攣性の咳を経験しました。

C1 verb /ˈmæd.ən/

madden

怒らせる

Meaning

To make someone very angry or extremely annoyed.

Example

The constant noise maddened him.

絶え間ない音が彼を怒らせた。

B1 noun /ˈhɑːrdˌwɛr/

hardware

ハードウェア

Meaning

the physical parts of a computer or electronic system, such as the monitor, keyboard, and processor

Example

The company upgraded its computer hardware to improve performance.

会社はパフォーマンスを向上させるためにコンピュータのハードウェアをアップグレードしました。

C1 noun /wʊd ˈæp.əl/

Wood Apple

ウッドアップル

Meaning

a hard-shelled tropical fruit with aromatic pulp used in beverages and medicine

Example

The wood apple has a hard shell but sweet pulp inside.

ウッドアップルは硬い殻を持っていますが、内部には甘い果肉があります

B1 noun /rɪˈsep.ʃən/

Reception

歓迎; 受け入れ; イベント;

Meaning

the action of receiving something or someone; a formal social occasion held to welcome someone

Example

The wedding reception was held at a beautiful hotel.

結婚式のレセプションは美しいホテルで行われました。

B2 verb /sɜːrdʒ/

surge

急増

Meaning

to move suddenly and powerfully forward or upward

Example

The crowd surged forward when the gates opened.

ゲートが開くと、群衆は前方に押し寄せました。

B2 adjective /ˈθɔːr.ni/

Thorny

とげのある; 扱いにくい

Meaning

having thorns; difficult to handle or deal with

Example

The thorny issue of budget cuts needs careful consideration.

予算削減の難しい問題には慎重な検討が必要です。

C2 adjective /ˈtɔːrʃəs/

tortious

不法行為

Meaning

Relating to or involving a wrongful act leading to legal liability.

Example

The company was found guilty of tortious interference with contracts.

その企業は契約への不法干渉で有罪判決を受けた。

B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

適応機能

Meaning

Characteristics that help organisms adjust to their environment

Example

Plants' adaptive features help them grow in winter.

植物の適応機能は、冬に成長するのを助けます。

C2 adjective /pərˈfɜrvɪd/

perfervid

非常に熱心な

Meaning

intensely passionate or fervent

Example

She gave a perfervid speech in defense of human rights.

彼女は人権擁護のために非常に熱心なスピーチをしました。

A2 noun /ˈtoʊstər/

Toaster

トースター

Meaning

an electric appliance used for toasting bread slices

Example

I put two slices of bread in the toaster for breakfast.

私は朝食のためにトースターにパンを2枚入れました。

C1 noun /ˈmeɪniə/

Mania

マニア; 極端な熱狂

Meaning

Mental illness marked by periods of great excitement; extreme enthusiasm

Example

She had a mania for collecting vintage postcards from around the world.

彼女は世界中から古いポストカードを集めることに夢中でした。

C1 adjective prəˈtræk.tɪd

protracted

長引いた, 延長された

Meaning

Lasting for a long time or longer than expected or usual.

Example

The negotiations were protracted over months.

交渉は数ヶ月続いた。

C2 adjective /ɪˈnɪm.ɪ.tə.bəl/

inimitable

比類のない

Meaning

So good or unusual as to be impossible to copy; unique.

Example

His inimitable writing style made him a literary legend.

彼の比類のない筆致が彼を文学の伝説にした。

C1 noun /pləˈsiːboʊ/

placebo

プラセボ

Meaning

a substance with no therapeutic effect, used as a control in testing new drugs

Example

The patient was given a placebo to compare the effect of the real drug.

患者は実際の薬の効果と比較するためにプラセボを与えられました。

C1 verb /dɪˈmiːn/

demean

侮辱する

Meaning

to cause someone to lose dignity or respect

Example

The manager demeaned his employees with rude remarks.

マネージャーは粗野なコメントで社員を侮辱しました。

C1 noun /ˈprɛljuːd/

prelude

前奏

Meaning

An action, event, or statement that serves as an introduction to something more important.

Example

The small fight was only a prelude to a bigger conflict.

小さな喧嘩はもっと大きな争いの前奏に過ぎなかった。

B2 adjective /naɪˈiːv/

naive

無邪気

Meaning

Having a lack of experience or sophistication; overly innocent or trusting.

Example

She was naive to believe the scammer’s story.

彼女は詐欺師の話を信じるには無邪気すぎた。

C1 noun /ˈlɔːsuːt/

lawsuit

訴訟

Meaning

a legal case brought to a court of law by one person against another

Example

The company faced a lawsuit over false advertising.

その会社は虚偽広告に関する訴訟に直面した。

C2 adjective /ˈliːwərd/

leeward

風下の側

Meaning

On or toward the sheltered side away from the wind.

Example

They built their camp on the leeward side of the hill.

彼らは丘の風下の側にキャンプを建てました。

B2 noun /boʊst/

Boast

自慢; 自惚れ; 誇り

Meaning

an act of talking with excessive pride about one's achievements

Example

His constant boast about his wealth annoyed everyone.

彼の財産についての絶え間ない自慢は、みんなをうんざりさせた。

B2 adjective /ˈtræŋkwɪl/

tranquil

静かな

Meaning

Free from disturbance; calm and peaceful.

Example

A tranquil environment promotes relaxation and focus.

静かな環境はリラックスと集中を促進します。

B2 noun, verb /rɪər/

rear

後ろ / 育てる

Meaning

the back part of something; to bring up or raise children or animals

Example

The mother cat reared her kittens in a quiet corner.

母猫は静かな隅で子猫たちを育てました。

C2 noun /ˈdɛftnəs/

deftness

巧妙さ

Meaning

Skillfulness and quickness in action or thought.

Example

Her deftness with words impressed the audience.

彼女の言葉の巧妙さは観客を感動させた。

C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

電解

Meaning

A chemical decomposition produced by passing an electric current through a liquid or solution.

Example

Electrolysis is used to separate hydrogen from water.

電解は水から水素を分離するために使用されます。

B2 adjective /raɪp/

Ripe

熟した; 食べる準備ができた

Meaning

fully developed and ready to eat; mature; ready for action or use

Example

The bananas are ripe and ready to eat.

バナナは熟して食べる準備ができています。

C2 noun /dɪˈkæmərən/

decameron

デカメロン (ボッカッチョの物語集)

Meaning

A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.

Example

The Decameron is considered a masterpiece of classical Italian literature.

デカメロンはイタリア古典文学の傑作とされています。

C1 verb /riːˈkæptʃər/

recapture

再び奪回する

Meaning

To take back or regain possession of something.

Example

The army managed to recapture the lost territory.

軍隊は失われた領土を再び奪回することに成功しました。

B2 noun /rɒd/

rod

金属または木材の細長い棒

Meaning

a thin straight bar, especially of metal or wood

Example

He used an iron rod to support the structure.

彼は構造を支えるために鉄のロッドを使いました。

C2 adjective /krɪˈpʌskjʊlər/

crepuscular

黄昏に関係する

Meaning

relating to twilight or active during twilight

Example

Bats are crepuscular animals, most active at dawn and dusk.

コウモリは黄昏時に活動的な動物で、夜明けと夕暮れ時が最も活発です。

B2 noun /ˈker.ə.siːn/

Kerosene

ケロシン

Meaning

a combustible hydrocarbon liquid widely used as a fuel in lamps and heating systems

Example

The old lamp burned kerosene to provide light during power outages.

古いランプは停電中に光を提供するためにケロシンを燃やしていました。

A2 noun ˈbæl.əns

balance

バランス

Meaning

A condition in which different elements are equal or in the correct proportions.

Example

Balance among powers prevents conflicts.

権力のバランスは対立を防ぎます。

A1 noun /ˈvɪdiəʊ/

video

ビデオ

Meaning

a recording of moving visual images made digitally or on film

Example

She watched the video of her favorite concert online.

彼女はオンラインでお気に入りのコンサートのビデオを見ました。

B2 adjective /kənˈvɜːrtəbl/

convertible

オープンカー、屋根が折りたためる車

Meaning

able to be changed into a different form or use; also a car with a roof that can be folded down

Example

She drove her new convertible along the coastal road.

彼女は新しいオープンカーで沿岸道路を走った。

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 /ˌwɛlˈbrɛd/

well-bred

育ちが良い

Meaning

Having or showing good manners; properly raised.

Example

She is a well-bred young lady with excellent manners.

彼女は素晴らしいマナーを持つ育ちの良い若い女性です。

C2 noun /ˈlɪbərəlɪst/

liberalist

リベラリスト

Meaning

a person who supports liberal ideas and principles

Example

He is a well-known liberalist advocating human rights.

彼は人権を擁護することで知られるリベラリストです。

C1 adjective /ˈæv.ɪd/

avid

熱心な

Meaning

having an eager desire or enthusiasm for something

Example

She is an avid reader of mystery novels.

彼女はミステリー小説の熱心な読者です。

C1 noun /ˈweɪs(t).koʊt/

waistcoat

ベスト

Meaning

a sleeveless garment worn over a shirt and under a jacket

Example

He wore a black waistcoat with his suit.

彼はスーツに黒いベストを着ていた。

C1 noun /ˈædɪdʒ/

adage

格言

Meaning

a short, well-known saying that expresses a general truth or piece of advice

Example

The old adage says that honesty is the best policy.

古い格言は、正直は最良の政策だと言っています。

B2 adjective /dæmp/

damp

湿った

Meaning

slightly wet, often in an unpleasant way

Example

The room felt cold and damp after the rain.

雨の後、部屋は冷たくて湿っていると感じました。

B1 noun /ˈmem.bə.ʃɪp/

membership

メンバーシップ

Meaning

The state of belonging to or being part of an organization or group.

Example

The country's membership in the organization marked 50 years.

その国の組織へのメンバーシップは50年を迎えました。

C1 adjective /pərˈpɔːrtɪd/

purported

主張された

Meaning

alleged or claimed to be true, often without proof

Example

The purported evidence was later proven false.

主張された証拠は後に間違っていると証明されました。

C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

不確実性

Meaning

the quality or state of being improbable; unlikely to be true or to happen

Example

The improbability of winning the lottery twice didn't stop her from buying tickets.

ロトで二回連続で当選する可能性の低さは、彼女がチケットを買うのを止めませんでした。

B2 adjective /ˈʃeɪ.ki/

Shaky

不安定な; 震える; 信頼できない; 弱い

Meaning

unstable; trembling; unreliable; weak

Example

His voice was shaky with nervousness.

彼の声は緊張で震えていた。

C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

周縁化

Meaning

The treatment of a person, group, or concept as insignificant or peripheral.

Example

Economic policies should address the marginalization of the poor.

経済政策は貧困層の周縁化に対処すべきです。

C1 noun /ˈkælkjʊləs/

calculus

微積分

Meaning

A branch of mathematics concerned with rates of change and accumulation; also a hard mineral deposit in the body such as on teeth.

Example

Calculus is essential for advanced studies in physics and engineering.

微積分は物理学と工学の高度な研究に不可欠です。

C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

タイミングが悪い瞬間

Meaning

Happening at a bad or inconvenient time.

Example

His call came at the most inopportune moment.

彼の電話は最もタイミングが悪い瞬間にかかってきた。

B2 noun /briz/

Breeze

そよ風

Meaning

a gentle wind; something that is achieved with ease

Example

The cool ocean breeze made the hot summer day more pleasant.

涼しい海のそよ風が暑い夏の日をもっと快適にしました。

B1 noun /ˌkɒmpəˈzɪʃən/

composition

作曲

Meaning

the act of creating a piece of writing, music, or art; the way parts are arranged

Example

Her composition won first prize in the contest.

彼女の作曲はコンテストで第一位を獲得しました。

C1 noun /ˈmiːdieɪtər/

Mediator

仲裁者

Meaning

A person who attempts to make people involved in a conflict agree

Example

The United Nations often acts as a mediator in international disputes.

国際的な争いにおいて、国連はしばしばメディエーターとして機能します。

B1 verb /dɪˈvɛləpɪŋ/

developing

開発

Meaning

the process of growing, improving, or becoming more advanced

Example

She is developing new skills in programming.

彼女はプログラミングで新しいスキルを開発しています。

C2 adjective /pərˈfɪdiəs/

perfidious

裏切りの

Meaning

deceitful and untrustworthy

Example

The spy was executed for his perfidious actions.

スパイは裏切りの行動で処刑されました。

C1 adjective /ˈɜːrθ.li/

Earthly

地上的; 世俗的; 物質的

Meaning

relating to the earth or human life; worldly; material rather than spiritual

Example

He focused on earthly pleasures rather than spiritual growth.

彼は精神的成長よりも地上的な楽しみに集中した。

C2 verb /ɪɡˈzɪləreɪt/

exhilarate

興奮させる

Meaning

To make someone feel very happy, animated, or excited.

Example

The mountain view exhilarated the travelers.

山の景色は旅行者を興奮させました。

A1 adjective /raʊnd/

round

丸い

Meaning

having a circular shape; shaped like a sphere or disk

Example

The table was round and had a smooth surface.

テーブルは丸くて、滑らかな表面がありました。

C1 noun /ˈmæɡnɪtuːd/

Magnitude

規模; 大きさ; 重要性

Meaning

The great size or extent of something; importance

Example

The magnitude of the earthquake was measured at 7.5 on the Richter scale.

地震のマグニチュードはリヒタースケールで7.5に測定されました。

C2 noun /ˈmʌɡwʌmp/

mugwump

政党に属さない人

Meaning

a person who remains independent from party politics or remains aloof from disputes

Example

He was called a mugwump for refusing to join either political side.

彼は政治的な立場に参加しないことを拒否したため、マグワンプと呼ばれました。

B2 verb /ˌoʊvərˈiːt/

overeat

幸福

Meaning

To eat more food than the body needs.

Example

She tends to overeat when she is stressed.

彼女は賞を受け取ったとき、喜びを隠すことができませんでした。

C2 noun, verb /ˈtræməl/

trammel

制限

Meaning

A restriction or impediment to freedom of action; to restrict.

Example

The strict rules trammel the creativity of the students.

厳格な規則は学生の創造性を制限しています。

B2 adverb /ˈskeəs.li/

Scarcely

ほとんど; ほとんどない; わずかに

Meaning

hardly; barely; only just

Example

I could scarcely believe my eyes.

私は自分の目をほとんど信じられなかった。

C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

法外な

Meaning

Unreasonably high in price or cost; excessive.

Example

The hotel charged an exorbitant price for a basic room.

ホテルは基本的な部屋に法外な価格を請求しました。

B2 adjective /ˈæm.pəl/

Ample

十分な; 充実した; 余裕のある

Meaning

large in size, extent, or capacity; plentiful; more than enough

Example

We have ample time to finish the project before the deadline.

プロジェクトを締め切り前に終わらせるための十分な時間があります。

A1 pronoun /jɔːrˈsɛlf/

yourself

自分自身

Meaning

used to refer to the person being addressed, often for emphasis or reflection

Example

You should look after yourself.

自分自身の世話をしなさい。

C1 noun /ˈrɛt.ər.ɪk/

rhetoric

効果的または説得力のある話し方または書き方の技術

Meaning

The art of effective or persuasive speaking or writing; skillful use of language to influence others.

Example

Political leaders often use rhetoric to influence people.

政治指導者たちはしばしば人々に影響を与えるためにレトリックを使います。

C2 adjective /ˈproʊtiən/

protean

多才多芸の

Meaning

tending or able to change frequently or easily; versatile

Example

She is a protean artist who experiments with many styles.

彼女は多才多芸のアーティストで、さまざまなスタイルを試しています。

C1 noun ˈmɪl.ɪ.tər.i ɪnˈkɜː.ʃən

military incursion

軍事侵入

Meaning

A sudden armed attack or invasion by military forces into a territory.

Example

The military incursion caused widespread devastation.

軍事侵入は広範囲にわたる破壊を引き起こしました。

B1 noun /ɪˈmoʊ.ʃən/

Emotion

感情

Meaning

a strong feeling deriving from one's circumstances, mood, or relationships

Example

Her face showed every emotion she was feeling inside.

彼女の顔は内面で感じていたすべての感情を示していました。

C2 noun /ˈhæŋ.kər/

Hanker

渇望, 欲求

Meaning

a feeling of yearning or craving; a strong desire for something

Example

After years abroad, she developed a deep hanker for her homeland's traditional cuisine.

海外で何年も過ごした後、彼女は故郷の伝統的な料理への深い渇望を抱きました。

B2 verb /oʊˈmɪt/

omit

省略する

Meaning

to leave out or exclude; to fail to include something

Example

Please don't omit any important details from your report.

レポートから重要な詳細を省略しないでください。

B2 adverb /ˈwɪl.ɪŋ.li/

Willingly

自発的に

Meaning

in a willing manner; voluntarily; with free will

Example

She willingly helped her neighbors during the emergency.

彼女は緊急時に自発的に隣人を助けました。

C2 noun /ˌpraɪmoʊˈdʒɛnɪtʃər/

primogeniture

長子継承権

Meaning

The right of the firstborn child to inherit the family estate or title.

Example

Under primogeniture, the eldest son inherited the entire estate.

長子継承権の下、長男は家族全体の財産を相続しました。

C1 verb /ˌæprɪˈhɛnd/

apprehend

逮捕する

Meaning

to arrest or seize someone; to understand or perceive something

Example

The police managed to apprehend the thief after a long chase.

警察は長い追跡の後、泥棒を捕まえることに成功した。

B2 noun /ˈprɪv.ə.lɪdʒ/

Privilege

特権

Meaning

a special right or advantage that only one person or group has

Example

It's a privilege to work with such talented people.

才能ある人々と一緒に働けることは特権です。

A1 verb, adjective /kloʊz/ (verb), /kloʊs/ (adjective)

close

閉じる, 近い

Meaning

To shut something (verb); near in space or relationship (adjective).

Example

Please close the door when you leave.

出かけるときはドアを閉めてください。

B1 noun ˈmeʒ.ərz

measures

措置

Meaning

A plan or course of action taken to achieve a particular purpose.

Example

Mitigation measures focus on reducing emissions.

緩和措置は排出量の削減に焦点を合わせています。

C1 adjective /ˌrɛprɪzɛnˈteɪʃənl̩/

representational

表現的

Meaning

Relating to or depicting something in a realistic or symbolic way.

Example

The artist preferred a representational style of painting.

アーティストは表現的な絵画スタイルを好んでいました。

B2 noun /ˈsɒlɪtjuːd/

solitude

孤独

Meaning

The state or situation of being alone.

Example

Solitude can provide the opportunity for deep reflection.

孤独は深い反省の機会を提供することができます。

C2 noun ˈsɒmnələns

somnolence

眠気

Meaning

A state of drowsiness or sleepiness; inclination to sleep.

Example

The somnolence after a heavy meal made it hard to concentrate.

重い食事の後、眠気が集中するのを難しくしました。

A1 noun /ˈɛər.pɔːrt/

airport

空港

Meaning

A place where airplanes take off and land, with buildings for passengers and cargo.

Example

We arrived at the airport two hours before the flight.

私たちはフライトの2時間前に空港に到着しました。

C1 adjective ˈeɪlɪəneɪtɪd

alienated

疎外された

Meaning

Feeling isolated or estranged; disconnected from others or society.

Example

Alienated students are more prone to delinquency.

疎外された学生は、犯罪に走りがちです。

Meaning

To assume or suggest something as a fact or basis for reasoning.

Example

The scientist posited a new theory to explain the phenomenon.

A2 noun ˈpaʊ.ər

power

力

Meaning

The ability or capacity to do something or act in a particular way; authority.

Example

Power distribution ensures efficiency.

力の配分は効率を保証する。

B2 verb /ɪɡˈzɜrt/

exert

行使する

Meaning

to apply or bring to bear; to use physical or mental effort

Example

He exerted all his strength to lift the heavy box.

彼は重い箱を持ち上げるために全力を尽くした。

B1 noun, verb /ˈkrɛdɪt/

credit

Meaning

As a noun: the ability to obtain goods or services before payment; recognition for an achievement. As a verb: to publicly acknowledge someone's contribution.

Example

She received credit for her contribution to the project.

C1 verb /ˈdʒɪtər/

jitter

震える

Meaning

to shake or tremble slightly, often from fear, nervousness, or excitement

Example

He began to jitter nervously before giving his speech.

彼はスピーチの前に緊張して震え始めました。

Meaning

the number following six and preceding eight

Example

She has seven apples in her basket.

C2 noun /liːən/

lien

留置権

Meaning

A legal right to keep possession of property until a debt is paid.

Example

The bank placed a lien on the house until the mortgage was cleared.

銀行は住宅にリース権を設定しました、住宅ローンが清算されるまで。

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。

A2 adjective /kənˈsɜːnd/

concerned

心配な

Meaning

worried or anxious about something; involved or interested in something

Example

She was concerned about her mother's health.

彼女は母親の健康について心配していた。

C2 adjective /ˈrʌdi/

ruddy

赤ら顔

Meaning

Having a healthy red color in the face.

Example

She had a ruddy complexion from working outdoors.

彼女は外で働いたため、赤ら顔でした。

A2 noun /ˈæk.ʃənz/

actions

行動

Meaning

The fact or process of doing something, typically to achieve an aim.

Example

Immediate actions are needed for pollution control.

汚染防止のために即時の行動が必要です。

A1 preposition /æt/

at

で

Meaning

used to indicate a specific time, place, or direction

Example

She arrived at the airport on time.

彼女は時間通りに空港に到着しました。