B2 noun /reɪdʒ/

rage

怒り

Meaning

intense anger or fury

Example

She shouted in a fit of rage after hearing the news.

彼女はそのニュースを聞いて怒りの叫び声を上げました。

B2 verb /rɪˈfreɪn/

refrain

控える

Meaning

To hold oneself back from doing something.

Example

Please refrain from smoking in this area.

このエリアでの喫煙はご遠慮ください。

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 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。

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 noun rɪˈdɛmpʃən

redemption

贖い

Meaning

The action of saving or being saved from sin, error, or evil.

Example

The story highlights the theme of redemption.

その物語は償いのテーマを強調しています。

C1 noun /rɪˈbʌtəl/

rebuttal

反論

Meaning

a statement or argument made to oppose or disprove another

Example

Her rebuttal was clear and convincing.

彼女の反論は明確で説得力がありました。

B2 adjective /ˈrɪɡ.ər.əs/

rigorous

厳格な

Meaning

Extremely thorough and demanding in analysis or practice.

Example

A rigorous study plan helps students achieve better results.

厳格な学習計画は、学生がより良い結果を得るのに役立ちます。

C1 noun /ˈrɛzɪn/

resin

樹脂

Meaning

a sticky organic substance, usually secreted by plants, often used in varnishes or plastics

Example

The craftsman used natural resin to make the sculpture shine.

職人は彫刻を輝かせるために天然の樹脂を使用しました。

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。

C1 adjective /ˈræɡ.ɪd/

Ragged

ボロボロの; 破れた; ぼろぼろ

Meaning

torn; tattered; frayed; shabby

Example

The homeless man wore ragged clothes.

ホームレスの男はボロボロの服を着ていた。

B1 verb /rɪˈspɒnd/

respond

repose

休息

Meaning

a state of rest, sleep, or tranquility; to rest or lie in a peaceful position

Example

After the long journey, she sought repose in the quiet garden.

長い旅の後、彼女は静かな庭で休息を求めた。

A1 noun /roʊd/

road

道路

Meaning

a wide way leading from one place to another

Example

We drove along the road to the village.

私たちは村に向かってその道路を運転していました。

B2 verb /rɪˈsaɪt/

recite

暗唱する

Meaning

To say aloud something learned, especially poetry or text, from memory.

Example

The child recited a poem in front of the class.

その子はクラスの前で詩を暗唱しました。

C1 adjective /rɪˈdʒɛn.ə.rə.tɪv/

regenerative

再生的な

Meaning

Able to restore or renew damaged environments, soil, or resources.

Example

Regenerative farming improves soil health and biodiversity.

再生農業は土壌の健康と生物多様性を改善します。

C1 verb /rɪˈtrækt/

retract

Meaning

to withdraw a statement, promise, or part of the body; to pull back

Example

The company retracted its earlier statement after realizing the error.

B2 verb /reɪn/

reign

統治する

Meaning

to rule as a king or queen; to be dominant

Example

The queen reigned for over sixty years.

女王は60年以上統治していました。

B1 noun rɪˈzɪs.təns

resistance

抵抗

Meaning

The refusal to accept or comply with something; the attempt to prevent something by action or argument.

Example

The resistance fought bravely against colonial forces.

レジスタンスは植民地軍に勇敢に立ち向かいました。

B2 noun /ˈrem.ə.di/

Remedy

薬; 治療; 問題解決の手段

Meaning

a medicine or treatment for a disease; a solution to a problem

Example

This herbal remedy helps with headaches.

このハーブの薬は頭痛に効く。

C2 verb /rɪˈpruːv/

reprove

叱る

Meaning

to criticize or correct someone gently or disapprove of their actions

Example

The teacher reproved the student for being late.

先生は遅刻した生徒を叱りました。

C1 noun ˌræʃ.ən.əl.ɪˈzeɪ.ʃən

rationalization

合理化

Meaning

The practice of finding reasons for behavior or actions that are not the real reasons.

Example

His rationalization of the mistake was not convincing.

彼の間違いの合理化は説得力がなかった。

B1 verb /rɪˈliːs/

release

解放する

Meaning

to set free; to allow something to escape or go away

Example

The prisoner was released after ten years.

囚人は10年後に解放されました。

C1 verb /rɒmp/

romp

楽しく遊ぶ

Meaning

to play or move in a lively, carefree, and energetic way

Example

The children romped happily in the garden.

子供たちは庭で楽しそうに遊んでいました。

C2 noun /rɪˈfɛktəri/

refectory

食堂

Meaning

a dining hall, especially in a monastery, convent, or school

Example

Students had lunch in the refectory.

学生たちは食堂で昼食をとった。

C2 noun /ˈræpsədi/

rhapsody

高揚した歌/賛美

Meaning

an expression of great enthusiasm or an epic musical composition

Example

The singer’s performance was a rhapsody of emotions.

歌手のパフォーマンスは感情のラプソディでした。

B1 noun /ˈrezɪdənt/

Resident

住民

Meaning

a person who lives somewhere permanently or on a long-term basis; living in a particular place

Example

She has been a resident of this city for over ten years.

彼女はこの都市の住民で、10年以上住んでいます。

B2 noun /ˈreɪtɪŋ/

rating

評価

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

その映画は批評家から高い評価を受けました。

C2 adjective /rɪˈmiːdiəbl/

remediable

修正可能

Meaning

capable of being corrected or cured

Example

The mistake was serious but still remediable.

その誤りは重大でしたが、まだ修正可能でした。

B2 verb /ræm/

ram

Meaning

to strike or push something with great force

Example

The truck rammed into the wall.

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。

C1 verb /ˌriːˈkæst/

recast

再キャスティング

Meaning

To present or change something in a different form or style.

Example

The director decided to recast the role with a younger actor.

監督は役を若い俳優でリキャストすることに決めました。

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。

A1 noun /ruːm/

room

部屋

Meaning

A space within a building enclosed by walls, floor, and ceiling

Example

She decorated her room with bright colors.

彼女は明るい色で自分の部屋を飾りました。

C2 verb /rɪˈkænt/

recant

撤回する

Meaning

to withdraw or renounce a statement or belief formally

Example

He recanted his previous statement in court.

彼は裁判で以前の発言を撤回しました。

B2 noun /rɪˈstreɪnt/

Restraint

抑制; 自制

Meaning

the action of keeping someone or something under control; self-control

Example

She showed great restraint in not responding to the criticism.

彼女は批判に反応しなかったことに大きな自制心を見せた。

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。

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。

B1 noun /rɪˈfjuːz/

Refuse

ゴミ; 拒否

Meaning

waste material; garbage; to decline or reject something

Example

Please put the refuse in the designated bins.

指定されたゴミ箱にゴミを入れてください。

C1 adjective /rɪˈsɛptɪv/

receptive

受容的

Meaning

Willing to listen to or accept new ideas, suggestions, or experiences.

Example

She was receptive to feedback from her colleagues.

彼女は同僚からのフィードバックを受け入れる姿勢を持っていました。

B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

評判, 名声

Meaning

The opinion generally held about someone or something; fame or prestige.

Example

A good reputation is essential for business success.

良い評判はビジネスの成功に不可欠です。

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 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

再生する

Meaning

To make or feel young, healthy, or energetic again.

Example

A vacation can rejuvenate the mind and body.

休暇は心と体を再生させることができます。

C2 noun /rɪˈkɒɡnɪzəns/

recognizance

法的義務

Meaning

A legal obligation or bond entered into before a court, especially to ensure future appearance.

Example

He was released on his own recognizance.

彼は自分の法的義務で釈放されました。

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。

B1 adjective /rɪˈmeɪnɪŋ/

remaining

残り

Meaning

still existing or left after others are gone or dealt with

Example

There were only a few remaining tickets for the concert.

コンサートのチケットは残りわずかでした。

B1 adjective, noun /ˈroʊmən/

roman

ローマの / 古代ローマの市民

Meaning

relating to Rome or its people; a citizen of ancient Rome

Example

The Roman Empire influenced much of modern civilization.

ローマ帝国は現代文明に多大な影響を与えました。

B2 verb /rɪˈtriːt/

retreat

撤退する

Meaning

to move back or withdraw from a position or situation

Example

The soldiers had to retreat after losing the battle.

兵士たちは戦いに負けた後、撤退しなければならなかった。

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 /rɪˈbjuːk/

rebuke

叱る

Meaning

to criticize or scold sharply; to express disapproval

Example

The teacher had to rebuke the student for cheating.

先生は cheating のため学生を叱らなければならなかった。

A1 noun /raɪs/

Rice

ご飯

Meaning

a cereal grain that is a staple food in many countries

Example

We eat rice with curry for dinner.

私たちは夕食にカレーと一緒にご飯を食べます。

C2 noun /roʊˈtʌn.də/

rotunda

円形の建物

Meaning

a large circular building or hall, often with a dome

Example

Tourists gathered inside the grand rotunda of the capitol.

観光客は議会堂の壮大なロタンダの中に集まりました。

C2 verb /rɪˈdaʊnd/

redound

貢献する

Meaning

to contribute greatly to a result or consequence, usually beneficial

Example

His hard work will redound to the success of the company.

彼の努力は会社の成功に貢献するでしょう。

C1 noun rɪˈfaɪnmənt

refinement

精練

Meaning

The process of removing impurities or unwanted elements from a substance.

Example

His manners showed a refinement that made him stand out in any crowd.

彼のマナーは精練されたもので、どんな群衆の中でも目立っていた。

C1 verb /rɪˈnɛɡ/

renege

約束を破る

Meaning

to go back on a promise, agreement, or commitment

Example

The company reneged on its promise to increase wages.

その会社は賃金を引き上げるという約束を破りました。

C1 noun /ˌriː.pəˈkʌʃ.ən/

repercussion

影響

Meaning

An unintended consequence occurring some time after an event or action.

Example

The economic crisis had severe repercussions on global trade.

経済危機は世界貿易に深刻な影響を与えました。

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。

C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥

Meaning

Relating to birds of prey or predatory behavior.

Example

The eagle is a raptorial bird with sharp talons.

ワシは鋭い爪を持つ肉食鳥です。

C1 adjective /ˈrʌɡ.ɪd/

Rugged

でこぼこで不規則な; 不規則な表面を持つ; 強くて丈夫な

Meaning

rough and uneven; having a rough irregular surface; tough and strong

Example

The hikers crossed the rugged mountain terrain.

ハイカーたちは荒れた山岳地帯を越えた。

C1 noun /rɪˈmɪʃən/

remission

Meaning

A temporary or permanent decrease or disappearance of disease symptoms; forgiveness of sins or debts.

Example

The patient’s cancer is in remission after the treatment.

C1 noun /rɪˈtriː.vəl/

retrieval

回復

Meaning

The process of getting something back, especially from storage or memory.

Example

The brain's retrieval system helps recall past experiences.

脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。

C1 adjective, noun /rɪˈsiːvəbl/

receivable

回収可能

Meaning

Money that is owed to a company and is expected to be paid.

Example

The company's receivables increased significantly this quarter.

会社の売掛金は今四半期に大幅に増加しました。

A2 verb /raɪz/

rise

上がる

Meaning

to move upward; to get up from bed; to increase

Example

The sun rises in the east.

太陽は東から昇ります。

C1 noun /ˌriː.əˈdʒʌst.mənt/

readjustment

Meaning

The act of changing or correcting something again to make it suitable or balanced.

Example

After moving to a new city, he went through a period of readjustment.

B2 adjective /ˈruːθ.ləs/

Ruthless

無慈悲な; 残酷な; 情け容赦ない

Meaning

showing no pity or compassion; cruel; merciless

Example

The ruthless dictator showed no mercy to his enemies.

その無慈悲な独裁者は、彼の敵に対して一切の慈悲を示さなかった。

B2 adjective /ˈreɪʃəl/

racial

人種の

Meaning

relating to a race of people

Example

Racial equality is an important issue in many societies.

人種平等は多くの社会において重要な問題です。

C1 noun /ˈriːbeɪt/

rebate

リベート/払い戻し

Meaning

a partial refund given to someone who has paid too much money for something

Example

The store offered a rebate on bulk purchases.

その店は大量購入に対してリベートを提供しました。

C2 noun /riːm/

ream

リーム

Meaning

A large quantity of paper (typically 500 sheets); informally, a large amount of something.

Example

The office ordered ten reams of paper.

オフィスは10リームの紙を注文した。

C2 noun /ˌrækənˈtɜːr/

Raconteur

幸せ

Meaning

a person who tells anecdotes in a skillful and amusing way

Example

The old man was a gifted raconteur who entertained everyone with his stories.

彼女は賞を受け取ったとき、喜びを隠せなかった。

B2 noun /ˈraɪfəl/

Rifle

ライフル

Meaning

a gun with a long barrel that is fired from the shoulder

Example

The soldier carried a rifle during the mission.

兵士は任務中にライフルを携帯していました。

C2 noun /ˈrɛkluːsəri/

reclusory

隠遁場所

Meaning

A place for seclusion or retreat, especially for a recluse or hermit.

Example

The monk spent years in the reclusory away from society.

その僧侶は社会から離れた隠遁場所で数年を過ごしました。

A2 noun /rent/

Rent

幸せ

Meaning

a payment made periodically by a tenant to a landlord for use of property

Example

The monthly rent for this apartment is quite affordable.

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。

B1 verb /rɪˈper/

repair

修理する

Meaning

to fix something that is broken or damaged

Example

The mechanic will repair the car's engine tomorrow.

メカニックは明日車のエンジンを修理します。

C1 noun /ˈrɪdəns/

riddance

解放

Meaning

The action of getting rid of something unwanted or unpleasant.

Example

His departure was considered a welcome riddance by the team.

彼の退職はチームにとって歓迎すべき解放と見なされた。

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。

C1 noun /rəˈpɪdəti/

rapidity

迅速さ

Meaning

The quality of moving or happening quickly; swiftness or speed.

Example

The rapidity of technological change is astonishing.

技術的な変化の速さは驚くべきものです。

B1 noun /ruːˈtiːn/

routine

ルーチン, 習慣, 固定された順序

Meaning

A sequence of actions regularly followed; a fixed program.

Example

A well-structured routine improves productivity.

よく構造化されたルーチンは生産性を向上させます。

A2 adjective /ruːd/

Rude

失礼な; 無礼な; 粗野な; 厳しい

Meaning

impolite; discourteous; lacking civility; rough or harsh in manner

Example

It was rude of him to interrupt the meeting.

会議を中断することは失礼でした。

C1 verb /ˈrevəl/

revel

楽しむ

Meaning

to enjoy oneself in a lively and noisy way; to take great pleasure in

Example

They revel in their success.

彼らは成功を楽しんでいます。

C1 noun /rɪˈpɑːzɪtɔːri/

repository

リポジトリ

Meaning

a place where things are stored or kept for safekeeping

Example

The library serves as a repository of knowledge.

図書館は知識のリポジトリとして機能します。

C1 verb /rɪˈkuːpəreɪt/

recuperate

回復する

Meaning

to recover from illness or regain strength

Example

She went to the countryside to recuperate after surgery.

彼女は手術後、回復するために田舎に行った。

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。

B1 noun /ˈrʌnər/

runner

幸せ

Meaning

a person who runs, especially in races or for exercise

Example

The runner crossed the finish line with a big smile.

彼女は賞を受け取ったとき、幸せを隠せなかった。

B2 noun /ˈreɪ.zən/

Raisin

レーズン

Meaning

dried grape

Example

She added raisins to the oatmeal cookies for extra sweetness.

彼女はオートミールクッキーに甘さを加えるためにレーズンを加えました。

B2 adjective /rɪˈfaɪnd/

Refined

洗練された; 精製された

Meaning

elegant and cultured in appearance, manner, or taste; purified

Example

She has very refined taste in art and music.

彼女は芸術と音楽に非常に洗練された趣味を持っています。

C1 noun /ˌrek.ənˌsɪl.iˈeɪ.ʃən/

reconciliation

和解

Meaning

The restoration of friendly relations; the action of making one view or belief compatible with another.

Example

The peace treaty was a major step toward reconciliation.

平和条約は和解への重要な一歩でした。

C1 noun /rɪˈzʌmp.ʃən/

Resumption

再開

Meaning

the action of beginning something again after a pause or interruption

Example

The resumption of classes will be announced next week.

授業の再開は来週発表されます。

A2 adjective /ˈreɪ.ni/

Rainy

雨の日の

Meaning

characterized by rain; wet from rain; having much rain

Example

It was a rainy day, so we stayed indoors.

今日は雨の日だったので、家の中にいました。

C2 noun /rɪˈsɪʒən/

rescission

契約解除

Meaning

the cancellation or annulment of a law, contract, or agreement

Example

The rescission of the contract left both parties disappointed.

契約の解除により、双方は失望しました。

B2 noun /ˈrʊki/

rookie

初心者

Meaning

a person who is new to an activity or organization; a beginner

Example

The rookie policeman made a few mistakes on his first day.

新米警官は初日にいくつかのミスを犯しました。

A2 noun /roʊz/

Rose

バラ

Meaning

a fragrant flower with thorny stems, typically red, pink, white, or yellow

Example

She gave me a beautiful red rose for Valentine's Day.

彼女はバレンタインデーに私に美しい赤いバラをくれました。

C2 noun /ˈrɒndoʊ/

rondo

音楽作品（繰り返しのテーマを持つ）

Meaning

a musical composition with a recurring leading theme

Example

The pianist ended the recital with a lively rondo.

ピアニストは生き生きとしたロンドでリサイタルを終えました。

B1 verb /ˈreskjuː/

rescue

救助する

Meaning

to save someone or something from danger or harm

Example

The firefighters rescued the cat from the tree.

消防士は木から猫を救助しました。

B2 noun /rɪˈmuː.vəl/

Removal

撤去; 除去; 解雇;

Meaning

the action of taking something away or eliminating it; dismissal from office

Example

The removal of the old furniture took all day.

古い家具の除去に一日中かかりました。

C2 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning

capable of being simplified, lessened, or made smaller

Example

The problem is complex but reducible to a few basic principles.

B2 adjective /ˈrest.ləs/

Restless

落ち着きのない

Meaning

unable to rest or relax; constantly moving or fidgeting

Example

The child was restless during the long car journey.

長い車の旅で子供は落ち着きがなかった。

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。

C2 noun /rɪˈɡætə/

regatta

ボート競走

Meaning

A sporting event consisting of a series of boat or yacht races.

Example

The annual regatta attracted competitors from around the world.

毎年のレガッタは世界中から競技者を引き付けた。

B2 adverb /rɪˈspektɪvli/

Respectively

それぞれ; 指定された順序で; 別々に、そしてすでに言及された順序で

Meaning

in the order given; separately and in the order already mentioned

Example

John and Mary are 25 and 30 years old respectively.

ジョンとメアリーはそれぞれ25歳と30歳です。

C1 noun /rɪˌtæl.iˈeɪ.ʃən/

Retaliation

報復

Meaning

the action of returning a military attack; counterattack; revenge for an injury or wrong

Example

The country threatened retaliation against any act of aggression.

その国はあらゆる攻撃行為に対して報復を予告しました。

B2 noun /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

規則正しさ

Meaning

the quality of being regular; occurring at fixed intervals or in a consistent pattern

Example

The regularity of his exercise routine helped him stay healthy.

彼の運動習慣の規則正しさが健康を維持するのに役立ちました。

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。

B2 noun /ˈraɪdər/

rider

ライダー

Meaning

A person who rides a horse, bicycle, motorcycle, or other vehicle.

Example

The rider fell off the horse.

ライダーは馬から落ちました。

B2 noun /rɪˈlaɪ.əns/

Reliance

依存

Meaning

the state of depending on something or someone for support or help

Example

His reliance on technology is concerning.

技術への依存は懸念すべきことです。

B2 verb /reɪl/

rail

抗議する

Meaning

to complain or protest strongly about something

Example

He railed against the unfair decision.

彼は不公平な決定に対して強く抗議した。

B2 noun /rʌst/

Rust

錆

Meaning

reddish-brown coating formed on iron or steel by oxidation; corrosion

Example

The old car was covered in rust after years of neglect.

古い車は何年も放置されていた後、サビで覆われていました。

C2 adjective /ˈrɛkənˌsaɪləbl̩/

reconcilable

Meaning

Capable of being resolved or made consistent.

Example

Their differences are reconcilable with honest communication.

C1 noun /ˈreɪ.vən/

Raven

ワタリガラス

Meaning

a large, black bird with a thick bill and harsh croaking voice

Example

The raven perched on the old oak tree and cawed loudly.

ワタリガラスが古いオークの木に止まり、大きな声で鳴いた。

B2 noun /ˈruːdnəs/

Rudeness

無礼

Meaning

the quality of being impolite, discourteous, or offensive in behavior or speech

Example

His rudeness shocked everyone at the dinner party.

彼の無礼さはディナーパーティーで皆を驚かせました。

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。

C1 noun /ˈrɪpəl/

Ripple

波紋

Meaning

a small wave on the surface of water; a spreading effect or influence

Example

The stone created ripples across the calm pond.

石が静かな池に波紋を作った。

B2 noun /ˈrɛlɪvəns/

relevance

reverence

尊敬

Meaning

deep respect for someone or something

Example

The students showed reverence to their teacher.

学生たちは先生に尊敬を示した。

B1 noun /rɪˈsɔːrs/

resource

資源

Meaning

A supply of materials, money, or assets that can be used when needed.

Example

Water is a vital natural resource.

水は重要な自然資源です。

C1 verb /ˈrʌsl/

rustle

ささやく

Meaning

To make a soft, light sound like leaves or paper moving.

Example

The leaves rustled gently in the evening breeze.

葉っぱが夕方のそよ風でそっとささやいていました。

B1 noun /ˈrʌbɪʃ/

Rubbish

ゴミ; 無駄な物; ナンセンス

Meaning

waste material; refuse or litter; nonsense or worthless things

Example

Please throw the rubbish in the bin.

ゴミをゴミ箱に捨ててください。

B2 verb /riːp/

reap

収穫する

Meaning

to cut or gather a crop; to receive as a consequence of actions

Example

Farmers reap wheat in the late summer.

農家は晩夏に小麦を収穫します。

C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性

Meaning

Capable of refracting light or other waves.

Example

The refringent properties of the crystal bent the light into a spectrum.

結晶の屈折性の特性は光をスペクトルに曲げました。

B2 noun rɪˈpʌb.lɪk

republic

共和国

Meaning

A state in which supreme power is held by the people and their elected representatives, with an elected or nominated president rather than a monarch.

Example

A republic is governed by representatives of the people.

共和国は人民の代表者によって治められています。

C1 noun /ˌrev.əˈluː.ʃən.ər.i ˈbreɪk.θruː/

revolutionary breakthrough

革命的な発見

Meaning

A sudden, dramatic, and important discovery or development that changes everything.

Example

Robotic surgery is a revolutionary breakthrough in healthcare.

ロボット手術は医療分野での革命的な発見です。

B1 noun /ˈreɪlˌroʊd/

railroad

鉄道

Meaning

a track or system of tracks made of steel rails along which trains run

Example

The railroad connects the city to several nearby towns.

鉄道は都市といくつかの近くの町を結びつけています。