B2 verb /rɪˈkleɪm/

reclaim

Meaning

To take back or recover something; to restore to a usable state.

Example

The farmer worked to reclaim the barren land.

C1 noun /rɪˈpen.təns/

Repentance

悔い改め

Meaning

the action of repenting; sincere regret or remorse

Example

His genuine repentance moved everyone in the courtroom.

彼の真摯な悔い改めは、法廷のすべての人々を感動させました。

C1 adjective /ˈraʊ.di/

Rowdy

騒々しい; 無秩序な; 破壊的な

Meaning

disorderly; unruly; noisy and disruptive

Example

The rowdy children were making too much noise.

騒々しい子供たちは大きな音を立てていた。

B1 adjective rɪˈlaɪ.ə.bəl

reliable

信頼できる

Meaning

Consistently good in quality or performance; able to be trusted.

Example

Reliable systems ensure efficiency.

信頼できるシステムは効率を確保します。

B2 noun /rɪˈfɔːr.mər/

Reformer

改革者

Meaning

a person who works to bring about positive changes in society or institutions

Example

The social reformer dedicated her life to improving education for all children.

社会的な改革者は、すべての子供たちの教育を改善するために自分の人生を捧げました。

C1 verb /ˌriːɪnˈsteɪt/

reinstate

再雇用する

Meaning

To restore someone or something to their former position or condition.

Example

The company decided to reinstate the suspended employee.

その会社は停止された従業員を再雇用することを決定した。

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。

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。

A2 noun /rɪˈzʌlt/

result

結果

Meaning

a consequence, effect, or outcome of something

Example

The result of the test was excellent.

テストの結果は素晴らしかった。

C2 adjective /rɪˈsplɛndənt/

resplendent

輝かしい

Meaning

Shining brilliantly; dazzling in appearance or effect

Example

The bride looked resplendent in her wedding gown.

花嫁はウェディングドレスで輝いて見えました。

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。

C2 noun /rɪˈpoʊst/

riposte

鋭い返答

Meaning

a quick and clever reply to criticism or an insult

Example

Her sharp riposte left everyone in silence.

彼女の鋭い返答は皆を黙らせた。

C2 verb /ˈreə.rɪ.faɪ/

rarefy

薄くする, 精製する

Meaning

To make something less dense or more refined.

Example

The air rarefies as you climb higher into the mountains.

山に登るにつれて、空気は薄くなります。

B2 noun /ˈreɪ.zər/

Razor

かみそり

Meaning

a sharp-edged instrument used for shaving hair from the skin

Example

He shaved his beard with a sharp razor.

彼は鋭いかみそりでひげを剃った。

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。

C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

赤いオリンダー

Meaning

a poisonous flowering shrub with bright red or pink flowers

Example

The red oleander blooms throughout the summer months.

赤いオリンダーは夏の数ヶ月間咲きます。

B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

代表者

Meaning

A person chosen or appointed to act or speak for another or others.

Example

The representative addressed critical issues.

代表者は重要な問題に対処しました。

C2 noun /raɪm/

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。

B1 verb /rɪˈlaɪ/

rely

頼る

Meaning

to depend on or trust someone or something

Example

I rely on my friends for support.

私は支援のために友達に頼ります。

C1 noun rɪˈdʌndənsi

redundancy

冗長性、過剰

Meaning

The state of being not or no longer needed or useful; superfluousness.

Example

The redundancy in the company's workforce led to many layoffs.

会社の労働力の冗長性は多くの解雇を引き起こしました。

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。

B2 adjective /rɪˈzɜːrvd/

Reserved

控えめな; 内向的な

Meaning

slow to reveal emotion or opinions; restrained in manner

Example

She is quite reserved and doesn't talk much in meetings.

彼女はかなり控えめで、会議ではあまり話しません。

C1 noun /ˈrɒndɪvuː/

rendezvous

会合

Meaning

a meeting or appointment at an agreed time and place

Example

They arranged a secret rendezvous at the café.

彼らはカフェで秘密の会合を手配しました。

B2 noun /ˈreɪʃoʊ/

ratio

比率

Meaning

a relationship between two numbers showing how many times the first number contains the second

Example

The ratio of boys to girls in the class is 2:1.

クラスでの男の子と女の子の比率は2:1です。

C1 verb /rɪˈtælieɪt/

retaliate

報復する

Meaning

to make an attack in return for a similar attack

Example

The army retaliated after the enemy attack.

軍隊は敵の攻撃の後、報復した。

B2 noun, verb /ˈriːteɪl/

retail

小売

Meaning

the sale of goods to the public in small quantities for use or consumption rather than for resale

Example

The company specializes in the retail of clothing and accessories.

この会社は衣類とアクセサリーの小売を専門としています。

B2 verb /rɒt/

rot

腐る

Meaning

to decay or decompose; to become corrupt

Example

The fruit will rot if left in the sun.

果物は日光に当たると腐ります。

B2 verb /ˈræm.bəl/

ramble

Meaning

to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.

Example

He rambled on about his childhood for hours.

C1 noun /ˈriːpər/

reaper

作物を刈り取り集める人または機械

Meaning

a person or machine that cuts and gathers crops

Example

The reaper moved slowly through the golden fields.

リーパーは金色の畑をゆっくりと進んでいきました。

C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

古いシステムに新しい技術や機能を追加すること

Meaning

The addition of new technology or features to older systems.

Example

The building underwent retrofitting to meet new safety standards.

その建物は、新しい安全基準に適応するためにレトロフィッティングされました。

C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する

Meaning

To go to the countryside or to suspend someone from university.

Example

He decided to rusticate in the village to escape the busy city life.

彼は忙しい都市生活から逃れるために村に行くことを決めました。

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。

A1 noun /ˈrɪv.ər/

River

川

Meaning

a large natural stream of water flowing in a channel to the sea, a lake, or another river

Example

The river flows through the valley and into the ocean.

川は谷を流れ、海に注ぎ込む。

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。

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 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。

B2 adjective /rɪˈflektɪv/

Reflective

反射的; 思慮深い; 光や画像を反射できる

Meaning

thoughtful; contemplative; able to reflect light or images

Example

After the meeting, he was in a reflective mood.

会議の後、彼は反射的な気分だった。

C1 adjective /rɪˈvenʒ.fəl/

Revengeful

復讐心に燃える

Meaning

seeking or desiring revenge; vindictive

Example

He became revengeful after being betrayed by his friend.

彼は友達に裏切られた後、復讐心に燃えるようになった。

B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究者

Meaning

a person who conducts research

Example

The researcher published her findings in a scientific journal.

研究者は科学的なジャーナルに彼女の研究結果を発表しました。

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。

A2 verb /rɪˈpiːt/

repeat

繰り返す

Meaning

to say or do something again

Example

Could you please repeat what you just said?

今言ったことを繰り返してくれますか？

B2 adjective /rɪˈmuːvəbəl/

removable

取り外し可能な

Meaning

able to be removed or taken away

Example

This phone has a removable battery.

この電話には取り外し可能なバッテリーがあります。

C1 noun /ˈrɛvərəns/

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。

C1 noun /rʌk/

Ruck

押し合い; 混雑した人々

Meaning

a situation where a crowd of people are pushing against each other; a disorderly crowd

Example

There was a ruck at the football match.

サッカーの試合で押し合いがありました。

B1 verb /rɪˈɡɑːrd/

regard

考える

Meaning

to consider or think of in a particular way; to look at

Example

She regards him as her best friend.

彼女は彼を親友として考えている。

B2 adjective /rɪˈɡret.ə.bəl/

Regrettable

残念な; 失望させる; 悲しい

Meaning

causing or deserving regret; unfortunate; deplorable

Example

It is regrettable that so many talented people left the company.

こんなに多くの才能ある人々が会社を辞めたのは残念です。

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。

C2 noun /rɪˌnʌnsiˈeɪʃən/

renunciation

放棄

Meaning

the formal rejection or giving up of something, usually a belief, claim, or way of life

Example

His renunciation of worldly pleasures impressed the monks.

彼の世俗的な楽しみへの放棄は僧侶たちに感銘を与えました。

B1 noun riˈæləti

reality

現実

Meaning

The world or the state of things as they actually exist, as opposed to an idealistic or notional idea.

Example

The reality of the situation was evident.

状況の現実は明らかでした。

C2 verb /ˌriːkruːˈdɛs/

recrudesce

再発

Meaning

to break out or appear again after a period of dormancy or decline

Example

After months of calm, violence recrudesced in the region.

数ヶ月の静けさの後、暴力が再発しました地域で。

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 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。

C2 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning

Of high moral, intellectual, or cultural value; distant from ordinary life.

Example

He works in the rarefied world of classical music.

C2 noun /rɪˌkrɪmɪˈneɪʃən/

recrimination

相互非難

Meaning

an accusation made in response to an accusation; mutual blaming

Example

The debate quickly descended into mutual recriminations.

討論はすぐに相互非難に陥った。

B2 noun /reɪˈʒiːm/

regime

政権

Meaning

a system or form of government, often authoritarian

Example

The military regime controlled the country for decades.

軍事政権は数十年間国を支配していました。

B2 noun/verb /rɪˈmɑːrk/

remark

発言

Meaning

something that is said; a comment

Example

She made a remark about the weather.

彼女は天気について発言した。

A2 noun /rɪˈleɪ.ʃən.ʃɪp/

Relationship

関係

Meaning

the way two people or groups feel and behave towards each other; a connection between two things

Example

They have a very close relationship.

彼らは非常に親密な関係を持っています。

C1 noun /ˌrɛtrɪˈbjuːʃən/

retribution

報復, 罰

Meaning

punishment inflicted as vengeance for a wrong or crime

Example

The villagers demanded retribution for the crime committed.

村人たちは犯された犯罪に対して報復を要求しました。

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。

A2 noun /reɪt/

rate

レート

Meaning

the cost or price of something, or the amount at which something happens

Example

The rate of inflation is increasing every year.

インフレ率は毎年増加しています。

C1 noun /rɪˈdʌn.dəns/

Redundance

冗長

Meaning

the state of being not or no longer needed or useful; superfluous repetition of information

Example

The document contained redundance that made it unnecessarily long.

その文書には冗長性が含まれており、不必要に長くなっていました。

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。

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 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

再統合する

Meaning

To bring someone or something back into a group or society after being separated.

Example

The program helps prisoners reintegrate into society.

そのプログラムは囚人が社会に再統合するのを助けます。

C2 verb /rɪˈkjʊə/

recure

再治療する

Meaning

to cure again; to remedy a second time

Example

The doctor had to recure the wound after it reopened.

医者は傷が再び開いた後、傷を再治療する必要がありました。

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。

B1 noun ˈreɪn.fɒr.ɪst

rainforest

熱帯雨林

Meaning

A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.

Example

The Amazon rainforest is home to millions of species.

アマゾンの熱帯雨林は数百万種の生物の家です。

C2 noun /rɪˈmɒnstrəns/

remonstrance

抗議

Meaning

A forceful protest or objection.

Example

The workers’ remonstrance against unfair treatment was ignored.

労働者たちの不公平な扱いに対する抗議は無視された。

C1 adjective /rɪˈpen.tənt/

Repentant

後悔している; 反省している; 悔いている

Meaning

feeling or expressing sincere regret and remorse; sorry for one's actions

Example

The repentant thief returned the stolen money.

後悔している泥棒は盗んだお金を返しました。

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。

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。

B2 noun /rɪˈvaɪ.vəl/

Revival

復活

Meaning

an improvement in the condition or strength of something; renewed interest in or attention to something

Example

There has been a revival of interest in traditional crafts.

伝統的な工芸への関心が復活しました。

C1 verb /riːl/

reel

つまずく / 巻き取る

Meaning

to lose balance and stagger; to wind or spin something onto a reel

Example

He reeled backward after being punched.

彼は殴られた後、後ろに転んだ。

B2 noun /ˈreɪ.zɪnz/

Raisins

レーズン

Meaning

dried grapes, often used in cooking and baking

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た。

B1 noun /rɪˈkɔːdɪŋ/

recording

録音

Meaning

the act or process of recording something

Example

The recording of the interview was clear and loud.

インタビューの録音は明瞭で大きかった。

B2 verb /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

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 /rɪˈpjuːt/

repute

評判

Meaning

the opinion generally held of someone or something; reputation

Example

He is a scholar of great repute in his field.

彼はその分野で大変な評判を持つ学者です。

B2 adjective /rɪˈzɪstənt/

resistant

耐性

Meaning

not affected by something; able to oppose or withstand

Example

This fabric is resistant to water and stains.

この布は水と汚れに強いです。

B2 noun /ˈrɛlɪvənsi/

relevancy

refute

反論する

Meaning

To prove a statement, argument, or theory to be false or invalid.

Example

The lawyer refuted the witness's testimony with solid evidence.

弁護士は証人の証言を確かな証拠で反論しました。

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。

C2 adjective /rɪˈkʌmbənt/

recumbent

横たわる

Meaning

lying down or in a resting position

Example

He was found recumbent on the sofa after a long day.

彼は長い一日の後、ソファで横になっているのが見つかりました。

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 adjective /ˈriːɡəl/

regal

王室の

Meaning

Resembling or fit for a king; majestic or royal.

Example

The queen entered the hall with a regal presence.

女王は王室のような存在感でホールに入った。

C1 noun /ˈrɛz.ə.nəns/

resonance

共鳴

Meaning

A deep, reverberating sound or a quality of evoking response.

Example

His speech had a deep resonance with the audience.

彼のスピーチは観客に深い共鳴を与えた。

C2 noun /rɪˈfræk.tər/

refractor

屈折望遠鏡

Meaning

A type of telescope that uses lenses to focus light.

Example

Refractor telescopes use lenses to focus light.

屈折望遠鏡は光を集中させるためにレンズを使用します。

C1 verb /rɪˈlɛnt/

relent

譲歩する、柔らかくなる

Meaning

to become less severe, harsh, or strict

Example

After hours of begging, she finally relented.

何時間もの懇願の後、彼女はついに譲歩した。

C1 verb /rɪˈdrɛs/

redress

是正する

Meaning

to set right, remedy, or compensate for a wrong or grievance

Example

The company promised to redress the complaints of its customers.

その会社は顧客の苦情を是正すると約束しました。

C2 noun /ˈrɛdʒɪsaɪd/

regicide

王殺し

Meaning

the act of killing a king

Example

The conspirators were executed for committing regicide.

陰謀者たちは王殺しを犯したため、処刑されました。

C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

相互利益のために他の人と物を交換する行為

Meaning

The practice of exchanging things with others for mutual benefit.

Example

Business relationships thrive on reciprocity.

ビジネス関係は相互利益に依存しています。

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 /ˈrɛlɪvəns/

relevance

Relation

関係; 親戚

Meaning

the way in which two or more people or things are connected; a family member

Example

They have a strong business relation that has lasted for years.

彼らは長年続く強力なビジネス関係を持っています。

C2 noun /ˌriːkruːˈdɛsəns/

recrudescence

再発

Meaning

a new outbreak or revival of something that had subsided, especially an undesirable condition

Example

Health officials warned of a recrudescence of measles in several districts.

保健当局は複数の地区で麻疹の再発の警告を出しました。

B1 noun /rɪˈspɒns/

Response

反応; 応答

Meaning

a reaction to something; an answer or reply; the way in which something reacts to external stimulus

Example

The government's response to the crisis was swift and decisive.

政府の危機への反応は迅速で決定的でした。

B2 noun /ˈrɒbəɹi/

robbery

強盗

Meaning

the crime of stealing from someone or somewhere using force or threat

Example

The police are investigating the robbery at the local store.

警察は地元の店での強盗事件を調査しています。

A2 verb /roʊl/

roll

転がる

Meaning

to move by turning over and over on an axis

Example

She rolled the ball down the hill.

彼女はボールを丘の下に転がしました。

C2 noun /ruːθ/

ruth

同情

Meaning

A feeling of pity, compassion, or sorrow.

Example

He felt no ruth for the people he had betrayed.

彼は裏切った人々に対して一切の同情を感じなかった。

C2 adjective rɪˈtɛn.tɪv

retentive

記憶力が強い

Meaning

Having strong memory or the ability to retain information for a long time.

Example

Students with a retentive memory excel in academics.

記憶力が強い学生は学業で優れています。

C1 noun /rəˈviːn/

ravine

渓谷

Meaning

A deep, narrow valley with steep sides.

Example

The river carved a deep ravine through the mountains.

川は山々を通って深い渓谷を作り出した。

B1 noun /roʊp/

rope

ロープ

Meaning

a strong, thick cord made of twisted fibers or strands

Example

The climbers used a rope to scale the mountain.

登山者は山を登るためにロープを使いました。

A2 verb /rɪˈmaɪnd/

remind

思い出させる

Meaning

to cause someone to remember something

Example

Please remind me to call her tomorrow.

明日彼女に電話するのをリマインドして下さい。

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。

C2 noun /ˈræŋ.kər/

rancor

憎しみ

Meaning

A feeling of deep and bitter anger or resentment.

Example

There was a rancor between the two rivals that never faded.

二人のライバルの間には、決して消えることのない憎しみがあった。

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。

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。

B2 verb /ˈruːɪn/

ruin

台無しにする

Meaning

to destroy or damage beyond repair; to spoil completely

Example

Heavy rain could ruin our picnic plans.

強い雨が私たちのピクニックの計画を台無しにするかもしれません。

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 /ˈræfɪʃ/

raffish

型破りで少し評判が悪いが魅力的

Meaning

unconventional and slightly disreputable but attractive

Example

He had a raffish charm that made him popular in the city.

彼は街で人気がある理由は、レイフィッシュな魅力があったからだ。

C1 noun/verb /rɪˈpoʊz/

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。

C1 verb ˈrɛk.tɪ.faɪ

rectify

修正する

Meaning

To correct mistakes or make something right.

Example

The company took steps to rectify its financial mistakes.

会社は財務上のミスを修正するために手順を踏みました。

B2 noun /roʊˈteɪʃən/

Rotation

回転; 回転運動; 自転

Meaning

the action of rotating around an axis or center; a single turn

Example

The Earth's rotation takes 24 hours to complete.

地球の回転は24時間かかります。

C1 noun /rɪˈkɜr.əns/

Recurrence

再発

Meaning

the fact of something happening again; an instance of something happening again

Example

The doctor was concerned about the recurrence of the patient's symptoms.

医師は患者の症状の再発について懸念していました。

C2 adjective /rɪˈmɪs/

remiss

怠慢

Meaning

Negligent in performing a duty or responsibility.

Example

The manager was remiss in not checking the financial reports carefully.

マネージャーは財務報告書を慎重に確認しなかったことで怠慢だった。

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。

C2 noun /ˈrɛv.ər.i/

reverie

白昼の夢; 夢想

Meaning

A state of being pleasantly lost in one's thoughts; a daydream.

Example

Lost in reverie, he didn't hear his name being called.

夢想にふけっているため、彼は名前が呼ばれるのを聞かなかった。

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。

C2 adjective /ˈrævənɪŋ/

ravening

非常に空腹で貪欲

Meaning

Extremely hungry and greedy; voracious.

Example

The ravening wolves circled the camp.

空腹の狼たちはキャンプを囲んだ。

B2 noun /ˈrɛzərvwɑːr/

reservoir

貯水池

Meaning

A large natural or artificial lake used as a source of water supply.

Example

The city built a new reservoir to ensure enough drinking water for its residents.

その都市は住民に十分な飲料水を確保するために新しい貯水池を建設した。

B2 verb /ræm/

ram

Meaning

to strike or push something with great force

Example

The truck rammed into the wall.