B1 noun rɪˈdʌk.ʃən

reduction

削減

Meaning

The action or fact of making a specified thing smaller or less in amount, degree, or size.

Example

Greenhouse gas reduction is a primary global goal.

温室効果ガスの削減は主要な地球規模の目標です。

C1 verb /rɪˈpiːl/

repeal

Meaning

To officially cancel or revoke a law or decision.

Example

The government decided to repeal the outdated law.

B2 verb /ˈrʌm.bəl/

rumble

幸せ

Meaning

to make a continuous deep, resonant sound

Example

Thunder rumbled in the distance.

彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。

C1 adjective /rɪˈɡrɛtfəl/

regretful

後悔している

Meaning

feeling or showing sadness or disappointment about something that has happened or been done

Example

She gave him a regretful smile as she turned away.

彼女は振り返りながら後悔している笑顔を彼に向けた。

C1 verb /rænt/

rant

怒鳴る

Meaning

to speak or shout in an angry, uncontrolled way

Example

He ranted about the unfair treatment at work.

彼は仕事で不公平な扱いについて叫んでいました。

B2 noun, verb /ˈrætəl/

rattle

ガタガタ鳴る；ガラガラ

Meaning

to make a rapid series of short, sharp sounds; a device or object that makes such a sound

Example

The loose window began to rattle in the strong wind.

強い風で緩んだ窓がガタガタ鳴り始めた。

C2 noun /rɪˈkwaɪtəl/

requital

報復

Meaning

The act of returning something, such as a favor, service, or punishment; repayment or retaliation.

Example

She offered her time in requital for his kindness.

彼女は彼の親切に報復として自分の時間を提供しました。

B2 noun /raɪˈnɒs.ər.əs/

Rhinoceros

サイ

Meaning

a large, heavy animal with thick skin and one or two horns on its nose

Example

The rhinoceros charged through the grassland.

サイは草原を突進した。

A2 noun /ˈreɪl.weɪ/

Railway

鉄道

Meaning

a track made of steel rails along which trains run; a system of tracks with trains, stations, and other facilities

Example

The railway connects major cities across the country.

鉄道は国内の主要な都市を結んでいます。

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。

C2 adjective /rɪˈfɛrəbəl/

referable

参照可能な

Meaning

able to be related or directed to something

Example

The issue is referable to the new policy changes.

その問題は新しい政策変更に関連付けることができます。

B2 adjective /ˈrɒt.ən/

Rotten

腐った; 悪い

Meaning

decayed; spoiled; bad

Example

The apple is rotten and should be thrown away.

リンゴは腐っていて、捨てるべきです。

C1 noun /ˈrɒstrəm/

rostrum

演壇

Meaning

A raised platform for speakers, performers, or leaders.

Example

The politician delivered a speech from the rostrum.

政治家は演壇から演説を行いました。

B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

容赦ない競争

Meaning

Fierce and merciless rivalry or contest, without pity or compassion.

Example

Ruthless competition for power leads to societal issues.

権力のための容赦ない競争は社会問題を引き起こします。

B2 noun ˈrɛvənuː

revenue

収益

Meaning

Income, especially when of a company or organization.

Example

The company's revenue grew by 10% this year.

会社の収益は今年10%増加しました。

B2 verb /ˈraɪpən/

ripen

幸せ

Meaning

to become or make something ready to eat or fully developed

Example

The bananas ripened quickly in the warm weather.

彼女は賞を受け取ったとき、幸せを隠せなかった。

B2 noun /ˈruːmər/

rumor

噂

Meaning

a currently circulating story or report of uncertain or doubtful truth.

Example

There’s a rumor that the company will merge next year.

来年、会社が合併するという噂があります。

C1 noun ˈrəʊvə

rover

ローバー

Meaning

A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.

Example

The rover landed on Mars to begin its exploration.

ローバーは火星に着陸し、探査を開始しました。

B2 noun /ræk/

Rack

ラック

Meaning

a framework or structure for holding or storing things

Example

She hung her coat on the rack by the door.

彼女はドアの横のラックにコートを掛けた。

B2 verb rɪˈzaɪn

resign

辞任する

Meaning

Voluntarily leave a job or other position.

Example

Ministers were forced to resign.

大臣たちは辞任を余儀なくされました。

C1 noun /ˈrɛpərˌtɔːri/

repertory

レパートリー

Meaning

A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.

Example

The theater has a repertory of classic plays.

劇場にはクラシックな演劇のレパートリーがあります。

B2 adjective /ˈrɪdən/

ridden

覆われた

Meaning

Full of or dominated by something unpleasant.

Example

The country was ridden with corruption.

その国は腐敗に覆われていた。

B2 noun /ˈreɪsɪzəm/

racism

人種差別

Meaning

the belief that some races are superior to others, leading to unfair treatment or prejudice

Example

The organization works to eliminate racism in all forms.

その組織はすべての形態の人種差別を排除するために取り組んでいます。

B2 noun /ˈrɪdəl/

Riddle

謎

Meaning

a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle

Example

The ancient riddle stumped all the scholars for years.

その古代の謎は何年もの間、すべての学者を困らせました。

B1 verb /rɪˈfɜː/

refer

参照する

Meaning

to mention or allude to something; to direct someone to a source of information

Example

Please refer to page 45 for more details.

詳細については、ページ45をご参照ください。

C1 verb /ˌriːəˈdʒʌst/

readjust

再調整

Meaning

To change or move something again in order to achieve a better fit, condition, or balance.

Example

He readjusted the chair to make it more comfortable.

彼は椅子をもっと快適にするために再調整しました。

C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金

Meaning

money paid for work or services; compensation or reward

Example

The job offers excellent remuneration and benefits.

その仕事は優れた報酬と福利厚生を提供します。

C1 adjective /ˈrævənəs/

ravenous

猛烈にお腹がすいている

Meaning

Extremely hungry; famished.

Example

After the long hike, she was ravenous and ate quickly.

長いハイキングの後、彼女は猛烈にお腹がすいて、すぐに食べました。

C1 noun /rɪˈteɪnər/

retainer

前払金 / リテイナー

Meaning

a fee paid in advance to secure someone's services, or a device that holds something in place

Example

The lawyer asked for a retainer before taking the case.

弁護士は事件を受ける前に前払い金を要求した。

B1 noun /rɪˈkʌvəri/

recovery

回復

Meaning

the process of recovering or returning to a normal state

Example

The patient is in recovery after the surgery.

患者は手術後、回復中です。

C2 noun /ˌrɛtəˈrɪʃən/

rhetorician

雄弁家

Meaning

A person who is skilled in the art of rhetoric or persuasive speaking/writing.

Example

The rhetorician captivated the audience with his eloquence.

雄弁家はその雄弁さで聴衆を魅了しました。

C1 adjective /ˈreɪ.kɪʃ/

Rakish

魅力的な

Meaning

having a dashing, jaunty, or slightly disreputable quality or appearance

Example

He wore his hat at a rakish angle that gave him a charming appearance.

彼は魅力的な角度で帽子をかぶって、魅力的な外見を与えた。

C1 verb /rɪˈvɜːrbəreɪt/

reverberate

反響する

Meaning

To echo repeatedly or have continuing effects.

Example

The sound of the explosion reverberated through the valley.

爆発音は谷を通り過ぎて反響しました。

B2 noun /rɪˈfjuː.zəl/

Refusal

拒否; 拒絶

Meaning

the act of saying no to something or not accepting something

Example

His refusal to cooperate made the project more difficult.

彼の協力拒否はプロジェクトをさらに難しくした。

C1 adjective /ˈriː.fleks/

Reflex

反射

Meaning

an action performed without conscious thought; relating to reflection

Example

The doctor tested her reflex response by tapping her knee.

医師は彼女の膝を軽く叩いて反射的な反応をテストしました。

C2 verb /rɛnd/

rend

引き裂く

Meaning

to tear something apart violently or forcefully

Example

The explosion rent the air with a deafening noise.

爆発は耳をつんざくような音で空気を引き裂いた。

C1 verb /ˌriːˈsiːt/

reseat

再座席

Meaning

to seat someone again or to fit something back into its place

Example

The usher had to reseat the guests after the interruption.

接客係は中断後、ゲストを再座席させなければならなかった。

C1 noun rɪˈdʒɛn.ər.ə.tɪv ˈfɑːr.mɪŋ

regenerative farming

再生農業

Meaning

Agricultural practices that improve soil health and biodiversity.

Example

Regenerative farming improves soil fertility and biodiversity.

再生農業は土壌の肥沃度と生物多様性を向上させます。

C1 adjective /ˈrɛvərənt/

reverent

敬虔な

Meaning

Showing deep and solemn respect.

Example

They listened to the speech in a reverent silence.

彼らは敬虔な沈黙の中でスピーチを聞いた。

C1 noun /rɪˈdʒɪdəti/

Rigidity

剛性

Meaning

inability to bend or be forced out of shape; unwillingness to change or compromise

Example

The rigidity of the old system prevented any innovation.

古いシステムの剛性は、どんな革新も妨げました。

C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顧

Meaning

the act of looking back on or reviewing past events

Example

In retrospect, the decision seemed unwise.

回顧すると、その決定は賢明ではなかったように思えた。

B2 adjective /ˈrɪski/

risky

Meaning

Involving the possibility of danger, harm, or loss

Example

Investing in that startup is risky but could bring high rewards.

A1 verb /raɪd/

ride

乗る/ライディング

Meaning

to travel on or in a vehicle; to sit on and control a horse

Example

She likes to ride her bicycle to work.

彼女は自転車で仕事に行くのが好きです。

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。

C1 verb /ˈrɛlɪɡeɪt/

relegate

降格する

Meaning

to assign to a lower rank, position, or category

Example

The manager decided to relegate the player to the bench.

マネージャーは選手をベンチにレリゲートすることを決定しました。

C1 noun, verb /raʊt/

rout

敗北

Meaning

A decisive defeat; to defeat completely.

Example

The army routed the enemy forces in the battle.

軍隊は戦いで敵軍を完全に打ち負かしました。

B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅の

Meaning

Designed for people to live in.

Example

The institution was fully residential.

その施設は完全に住宅のものでした。

B2 adverb /rɪˈɡɑrdləs/

regardless

関係なく

Meaning

without paying attention to the current situation or condition

Example

She will go to the party regardless of the weather.

彼女は天気に関係なくパーティーに行きます。

C1 noun /rɪˈsɜː.dʒəns/

resurgence

再生

Meaning

An increase or revival after a period of little activity, popularity, or occurrence.

Example

The city saw a resurgence in tourism after the pandemic.

都市はパンデミック後、観光業の再生を見ました。

B2 noun /ˌrezəˈveɪʃən/

Reservation

予約

Meaning

the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval

Example

I made a reservation at the restaurant for tonight.

今夜のレストランの予約をしました。

C1 adjective /ˈræspi/

raspy

ハスキー

Meaning

having a harsh, rough, or grating sound

Example

His raspy voice revealed years of smoking.

彼のハスキーな声は喫煙の年数を明らかにした。

C2 verb /ˈræm.ɪ.faɪ/

ramify

分岐する

Meaning

to spread or branch out into divisions or subdivisions.

Example

The river ramifies into several smaller streams.

川は複数の小さな小川に分岐します。

B2 noun /reɪk/

Rake

レーキ

Meaning

a garden tool with a long handle and prongs for gathering leaves; to gather with a rake

Example

He used a rake to gather the fallen autumn leaves.

彼は落ち葉を集めるためにレーキを使いました。

C2 noun /rɪˈdʒɔɪndər/

rejoinder

返答

Meaning

a quick or witty reply; a response to a remark or argument

Example

His sharp rejoinder silenced the crowd.

彼の鋭い返答が群衆を沈黙させた。

B2 noun/verb rɪˈfɔːm

reform

改革

Meaning

Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.

Example

Reform in the education system was a priority.

教育システムの改革は優先事項でした。

C1 noun /ˈraɪtʃəsnəs/

righteousness

正義

Meaning

the quality of being morally right or justifiable

Example

His life was dedicated to righteousness and truth.

彼の人生は正義と真実に捧げられた。

A2 noun /ˈriːdɪŋ/

reading

読書

Meaning

the action or skill of reading

Example

Reading is one of my favorite hobbies.

読書は私の好きな趣味の一つです。

B1 noun /roʊˈmæns/

Romance

ロマンス

Meaning

a feeling of excitement and mystery associated with love; a love affair or relationship

Example

Their romance began when they met at the university library.

彼らの恋愛は、大学の図書館で出会ったときに始まった。

A2 verb riˈsaɪklɪŋ

recycling

リサイクリング

Meaning

The process of converting waste materials into new materials and objects to prevent waste.

Example

Recycling plastic helps in reducing waste.

プラスチックのリサイクリングは、廃棄物の削減に役立ちます。

C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

再活性化する

Meaning

To restore energy and effectiveness to something.

Example

The new policies aim to revitalize the economy.

新しい政策は経済を再活性化することを目的としています。

B2 noun rɪˈsɛʃ.ən

recession

景気後退

Meaning

A period of temporary economic decline during which trade and industrial activity are reduced.

Example

The country faced a severe recession due to the financial crisis.

その国は金融危機のため深刻な景気後退に直面した。

B2 adjective /rɪˈlʌktənt/

Reluctant

消極的な; ためらう; 何かをすることに抵抗がある;

Meaning

unwilling; hesitant; disinclined to do something;

Example

She was reluctant to share her personal information.

彼女は個人情報を共有することに消極的でした。

C1 adjective /rɪˈmiːdiəl/

Remedial

修正的; 治療的; 回復的;

Meaning

intended as a remedy; corrective; providing a cure;

Example

The students need remedial classes to improve their math skills.

学生は数学スキルを向上させるためにリメディアルクラスが必要です。

B2 verb /reɪp/

rape

強姦

Meaning

to force someone to have sexual intercourse without their consent

Example

The law strictly punishes those who commit rape.

法律は強姦を犯した者に厳罰を与えます。

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 adjective /rɪˈflek.sɪv/

Reflexive

反射的; 内省的

Meaning

directed back on itself; showing deep thought about oneself

Example

She became more reflexive about her behavior after the feedback.

フィードバックの後、彼女は自分の行動についてもっと反省的になりました。

B2 noun /ˈraɪvəl/

Rival

ライバル; 競争相手;

Meaning

a person or thing competing with another for the same objective or for superiority in the same field

Example

The two companies have been business rivals for decades.

二つの企業は何十年もの間、商業上のライバルです。

A2 verb /ˈrɛkəɡnaɪz/

recognize

Meaning

To identify someone or something seen before; to acknowledge or accept.

Example

She did not recognize him in the crowd.

C1 verb /ˈrɪdɪkjuːl/

ridicule

嘲笑する

Meaning

To make fun of someone or something in a cruel or dismissive way.

Example

He was ridiculed for his strange ideas.

彼は奇妙な考えのために嘲笑されました。

C1 adverb /rɪˈspek.tə.bli/

Respectably

敬意を表して; きちんと;

Meaning

in a way that is worthy of respect; decently; properly

Example

She was dressed respectably for the interview.

彼女は面接のためにきちんとした服装をしていた。

B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

実現

Meaning

the act of becoming fully aware of something as a fact

Example

Her realization of the problem helped solve the issue.

彼女の問題の認識が問題解決に役立った。

B2 noun /rɛlm/

realm

Meaning

A kingdom or domain; a field or area of activity or interest.

Example

He is well known in the realm of science.

C1 noun ˈrez.ɪ.djuːz

residues

残留物

Meaning

A small amount of something that remains after the main part has gone or been taken or used.

Example

The burning process leaves no harmful residues.

燃焼プロセスでは有害な残留物は残りません。

C1 verb /rɪˈtreɪs/

retrace

Meaning

to go back over a path or route; to recall and repeat steps taken earlier

Example

She retraced her steps to find her lost keys.

C1 verb /ˈreɪdieɪt/

radiate

放射する

Meaning

to emit energy or light; to spread out from a center

Example

The fireplace radiates warmth throughout the room.

暖炉は部屋全体に暖かさを放射します。

B2 noun /ˈrɛlɪvənsi/

relevancy

rime

霜

Meaning

frost formed on cold surfaces by freezing water vapor

Example

The trees were covered with a white rime after the cold night.

木々は冷たい夜の後、白い霜で覆われていました。

B2 noun /rʌʃ/

Rush

急ぎ; ラッシュ

Meaning

a sudden quick movement toward something; a period of great activity or demand; hurry

Example

There was a rush to buy tickets for the concert.

コンサートのチケットを買うために急いでいました。

C1 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

再生

Meaning

The process of restoring something to a former better state, especially referring to renewing soil fertility or revitalizing agricultural land through various restoration practices.

Example

Rejuvenation of soil is necessary for sustainable agriculture.

土壌の再生は持続可能な農業にとって必要不可欠です。

B2 noun /rɪm/

rim

縁

Meaning

the outer edge or border of a circular object

Example

The coffee cup had a chip on its rim.

コーヒーカップの縁にひびが入っていました。

B1 noun rɪˈflɛkʃən

reflection

反射

Meaning

Serious thought or consideration about something.

Example

The reflection of the past filled his heart with sadness.

過去の反射が彼の心を悲しみに満たしました。

B2 adjective /ˈræʃ.ən.əl/

Rational

合理的な; 論理的な; 理にかなった

Meaning

based on reason and logic; sensible and practical

Example

She made a rational decision based on the available facts.

彼女は利用可能な事実に基づいて合理的な決定を下しました。

C1 noun /ˈræftər/

rafter

小屋の梁

Meaning

One of the sloping beams that supports a roof.

Example

The old barn’s rafters were exposed.

古い納屋の小屋の梁がむき出しになっていました。

B2 verb /ˌriːəˈreɪndʒ/

rearrange

再配置する

Meaning

to change the order or position of something

Example

She decided to rearrange the furniture in her living room.

彼女はリビングルームの家具を再配置することに決めました。

C1 noun /ˈrɛnɪˌɡeɪd/

renegade

裏切り者

Meaning

a person who deserts or betrays an organization, country, or principles

Example

He was labeled a renegade after leaving the party and criticizing its policies.

彼は党を離れ、その政策を批判した後、裏切り者と見なされた。

B2 noun /rɪˈzembləns/

Resemblance

類似

Meaning

the state of being alike or similar; similarity in appearance or character

Example

There's a strong resemblance between the two sisters.

二人の姉妹の間には強い類似があります。

C1 adjective /ræpt/

Rapt

夢中な

Meaning

completely fascinated or absorbed by what one is seeing or hearing

Example

The children listened with rapt attention to the storyteller.

子供たちは物語の語り手に夢中で耳を傾けました。

B1 adjective /rɪˈmɑːrkəbl/

Remarkable

注目すべき; 非凡な; 顕著な;

Meaning

worthy of attention; extraordinary; notable;

Example

His recovery from the illness was remarkable.

病気から回復することは注目すべきことでした。

C1 noun /rɪft/

rift

亀裂

Meaning

a serious break in a relationship; a split or crack

Example

A rift developed between the two friends after the argument.

議論の後、二人の友達の間に亀裂が生じた。

B1 noun roʊps

ropes

ロープ

Meaning

A length of thick strong cord made by twisting together strands of hemp, sisal, nylon, or similar material.

Example

The ropes were tied securely to lift the heavy load.

ロープは重い荷物を持ち上げるためにしっかりと結ばれていました。

B2 adverb /ˈred.ɪ.li/

Readily

快く; 簡単に; ためらわずに

Meaning

willingly; easily; without hesitation

Example

She readily agreed to help with the project.

彼女は喜んでプロジェクトを手伝うことに同意した。

C2 adjective /ˌrɛpərˈtɔːriəl/

repertorial

レポートに関する

Meaning

Relating to or characteristic of a repertoire, especially in journalism or performance contexts.

Example

The journalist's repertorial style captured every detail of the unfolding story.

そのジャーナリストのレポーティオリアルスタイルは、展開するストーリーのあらゆる詳細を捉えました。

C1 noun /riːk/

Reek

悪臭がする; 不快または望ましくない印象を与える

Meaning

to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable

Example

The garbage can reeks of rotten food.

ゴミ箱は腐った食べ物の臭いがする。

B2 adjective /ˈruː.tɪd/

Rooted

根付いた

Meaning

deeply established; firmly fixed

Example

His beliefs are deeply rooted in tradition.

彼の信念は伝統に深く根ざしている。

B2 verb /rɪˈkruːt/

recruit

採用する

Meaning

to enlist or hire people for a job, service, or membership

Example

The company is trying to recruit more software engineers.

その会社はもっと多くのソフトウェアエンジニアをリクルートしようとしています。

C1 verb /reɪv/

rave

絶賛する

Meaning

to speak or write about something with great enthusiasm or admiration

Example

Critics rave about the new movie.

批評家たちは新しい映画を絶賛しています。

C2 noun /ˈræbəl/

Rabble

群衆

Meaning

a disorderly crowd; the common people regarded as socially inferior

Example

The politician dismissed the protesters as mere rabble.

政治家は抗議者を単なる群衆として退けた。

C1 noun /rɪˈmɛmbrəns/

remembrance

記憶

Meaning

the act of remembering or honoring someone or something

Example

A service was held in remembrance of the fallen soldiers.

戦死した兵士たちを記憶するための式典が行われた。

C1 adjective /rɪˈvoʊltɪŋ/

revolting

むかつく

Meaning

extremely unpleasant or disgusting

Example

The smell of the garbage was revolting.

ごみのにおいはむかつくほどだった。

C2 adjective /ˈruːbɪkənd/

rubicund

健康的な赤みを帯びた顔

Meaning

Having a healthy reddish complexion.

Example

The old man’s rubicund face showed he was in good health.

その老人の赤みを帯びた顔は、彼が健康であることを示していた。

C1 verb /rɪˈpjuː.di.eɪt/

repudiate

否定する

Meaning

to refuse to accept, recognize, or support something

Example

He repudiated the claim that he was involved in the scandal.

彼はそのスキャンダルに関与していたという主張を否定しました。

B2 adverb /rɪˈpɔːtɪdli/

reportedly

報告によると

Meaning

according to what is said or believed, although not confirmed

Example

The company has reportedly agreed to the new terms.

その会社はreportedly新しい条件に同意しました。

C1 noun /rɑk sɔlt/

Rock Salt

岩塩

Meaning

natural salt crystals formed from evaporated ancient seas; unrefined salt

Example

Rock salt is considered healthier than table salt.

岩塩はテーブルソルトよりも健康的だと考えられています。

C1 verb /raɪl/

rile

Meaning

to irritate or annoy someone

Example

His careless comments really riled her.

C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

ローズウォーター

Meaning

a flavored water made by steeping rose petals in water, used in cooking and cosmetics

Example

She added a few drops of rose-water to the dessert.

彼女はデザートにローズウォーターを数滴加えました。

C1 adjective /ˈræmpənt/

rampant

蔓延する

Meaning

existing or spreading unchecked, often in an undesirable way

Example

Corruption was rampant in the city administration.

腐敗は市の行政で蔓延していた。

B2 adjective /ˈrek.ləs/

Reckless

無謀な; 無鉄砲な; 危険な;

Meaning

acting without thinking about consequences; careless; dangerous;

Example

His reckless driving caused a serious accident.

彼の無謀な運転は深刻な事故を引き起こしました。

C1 noun /ˌriː.dɪs.trɪˈbjuː.ʃən/

redistribution

再分配

Meaning

The sharing of wealth or resources more equally among society.

Example

The government introduced a redistribution policy to reduce inequality.

政府は不平等を減らすために再分配政策を導入しました。

C1 verb /rɪˈbʌf/

rebuff

拒絶する

Meaning

to reject or refuse in a sharp or abrupt way

Example

She rebuffed his invitation to dinner.

彼女はディナーの招待を断った。

B2 noun /rɪˈvendʒ/

Revenge

復讐

Meaning

the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands

Example

She sought revenge against those who betrayed her trust.

彼女は信頼を裏切った者たちに復讐を求めた。

B2 noun /ˈrɒbər/

robber

強盗

Meaning

a person who steals property from others, often using force or threat

Example

The robber was caught after a quick police chase.

素早い警察の追跡の後、強盗は捕まった。

C2 adjective /rəˈʃɛrʃ/

recherche

希少

Meaning

Rare, exotic, or obscure, often in a sophisticated or refined way.

Example

The gallery displayed many recherche artworks from unknown artists.

ギャラリーは、未知のアーティストによる多くの希少なアート作品を展示しました。

C1 verb /rɪˈvɪər/

revere

尊敬する

Meaning

To deeply respect or admire someone or something.

Example

The students revered their teacher for his wisdom.

生徒たちはその知恵に対して教師を崇敬しました。

C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

思い出させる

Meaning

Tending to remind one of something; suggestive of something in the past.

Example

The smell of rain is reminiscent of my childhood in the village.

雨の匂いは私の村での子供時代を思い出させる。

C1 noun ˈrez.ɪ.djuː

residue

残留物

Meaning

A small amount of something that remains after the main part has gone or been removed.

Example

Soap residue affects appliance efficiency.

石鹸の残りが機器の効率に影響を与えます。

C1 noun ˌriː.pɚˈkʌʃ.ənz

repercussions

影響

Meaning

The unintended consequences or effects of an action or event.

Example

The new policy had unintended repercussions on the economy.

新しい政策は経済に予期しない影響を与えました。

B2 adjective /ræʃ/

rash

軽率, 無謀

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

調査なしで投資するのは無謀な決断だった。

C1 noun/verb /rɪˈlæps/

relapse

再発

Meaning

to return to a worse condition, especially after improvement; a deterioration after recovery

Example

After months of progress, he suffered a relapse.

数ヶ月の進歩の後、彼は再発しました。

A2 noun rɪˈsɜːtʃ

research

研究

Meaning

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

Example

Research on radio waves began earlier in India.

ラジオ波の研究はインドで早く始まりました。

C1 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

再建する

Meaning

to set up or restore something again after it has been disrupted

Example

The government worked hard to reestablish peace in the region.

政府は地域の平和を再建するために懸命に働きました。

B2 noun /ræntʃ/

ranch

牧場

Meaning

a large farm where animals such as cattle or sheep are raised

Example

They own a huge cattle ranch in Texas.

彼らはテキサスで巨大な牧場を所有しています。