Rakish
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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 noun/verb /rɪˈpriːz/

reprise

繰り返し
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
俳優は続編で自分の役を再演しました。
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。
C1 noun /ˈræmpɑːrt/

rampart

城壁
Meaning
a defensive wall of a castle or fort
Example
The soldiers stood on the rampart, watching the enemy approach.
兵士たちは城壁に立ち、敵が近づくのを見守っていました。
C1 noun /rɪˈmɪt.əns/

Remittance

送金
Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
その国の経済は、移住者からの送金によって利益を得ている。
C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

再調整する, 調整し直す
Meaning
To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.
Example
The company had to recalibrate its strategies to adapt to the market.
会社は市場に適応するために戦略を再調整する必要があった。
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 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

ロボット支援手術
Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
ロボット支援手術は人為的な誤りを減らします。
C1 noun /ˌrɛfəˈrɛndəm/

referendum

国民投票
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
政府は新しい憲法について国民投票を実施しました。
C1 verb /rɪˈpʌls/

repulse

撃退する / 嫌悪感を引き起こす
Meaning
to drive back an attack or attacker by force; to cause intense dislike or disgust
Example
The army managed to repulse the enemy attack.
軍隊は敵の攻撃を撃退することに成功した。
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。
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
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/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。
C1 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

Meaning
to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment
Example
The clinic helps rehabilitate injured athletes.
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。
C1 noun /rɪˈmɔːrs/

Remorse

後悔
Meaning
deep regret or guilt for a wrong committed; bitter regret for something done
Example
He felt deep remorse for his actions.
彼は自分の行動に対して深い後悔を感じていた。
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

承認
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
その条約は両国の議会による批准を必要とした。
C1 noun /ˈruːbrɪk/

rubric

評価基準 / 指針
Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
教師は課題のための評価基準を提供しました。
C1 verb /rɪˈtɑːrd/

retard

遅らせる / 減速する
Meaning
to delay or slow down the progress of something
Example
Lack of funds may retard the development of the project.
資金不足はプロジェクトの進展を遅らせる可能性があります。
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。
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 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

騒々しい
Meaning
boisterous, energetic, and difficult to control.
Example
The rambunctious children filled the house with noise.
騒々しい子供たちが家を騒音で満たしました。
C1 adjective /rɪˈpliːt/

replete

満ちた
Meaning
Filled or well-supplied with something; abundantly full.
Example
The book is replete with fascinating historical details.
その本は魅力的な歴史的詳細で満ちています。
C1 noun /rɪˈspɒndənt/

respondent

回答者
Meaning
A person who replies to something, especially in a survey or legal case
Example
The survey had over 1,000 respondents.
調査には1000人以上の回答者がいました。
C1 adjective /ˈruːfəl/

rueful

後悔した
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
試合に負けた後、彼は後悔の笑顔を見せた。
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 /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

結果
Meaning
a consequence of an action or event, often complex or unwelcome.
Example
The new law has serious social ramifications.
新しい法律には深刻な社会的影響があります。
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 noun /ruːz/

Ruse

策略; 騙し
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
泥棒は警備員を惑わすために巧妙な策略を使った。
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。
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。
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 verb /ˈrɪvɪt/

rivet

リベットで固定する / 注意を引く
Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
職人は金属の板をリヴェットで留めました。
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。
C1 adjective /rɪˈpɛlənt/

repellent

忌避剤
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
このクリームは蚊除けとして非常に効果的です。
C1 noun /rɪˈtrækʃən/

retraction

撤回, 言明撤回
Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
新聞は虚偽の報告の撤回を発表しました。
C1 noun ˈremnənts

remnants

遺物
Meaning
A small remaining quantity of something; a surviving trace.
Example
The remnants of the wall are still visible.
壁の遺物はまだ見える。
C1 noun /ˈrɛl.ɪk/

relic

遺物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物館には古代文明の遺物が展示されていました。
C1 adjective /ˌret.rəˈspek.tɪv/

Retrospective

回顧的な
Meaning
looking back on or dealing with past events or situations
Example
The museum held a retrospective exhibition of the artist's work.
美術館はその画家の作品の回顧展を開催した。
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.
C1 noun /rɪˈflɛktər/

reflector

反射器
Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
自転車のライダーは安全のために自分の自転車の後ろに赤い反射器を取り付けました。
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。
C1 noun /riˈæktənt/

reactant

Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
C1 noun /ˈroʊ.lɪŋ bɔːrd/

Rolling board

ローリングボード
Meaning
a flat wooden or marble surface used for rolling out dough
Example
She placed the dough on the rolling board.
彼女は生地をローリングボードに置きました。
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。
C1 adjective /rɪˈkʌr.ənt/

Recurrent

再発性の
Meaning
happening repeatedly; occurring again and again; periodic;
Example
She has been suffering from recurrent headaches for months.
彼女は数ヶ月間、繰り返す頭痛に悩まされています。
C1 noun /ˈreɪdiəns/

radiance

輝き
Meaning
the quality of shining with bright light; a glowing or beaming quality
Example
Her face was filled with radiance after hearing the good news.
良いニュースを聞いた後、彼女の顔は輝きで満ちていました。
C1 noun /rɪˈpreʃən/

Repression

抑圧
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
政府の表現の自由に対する抑圧は、広範な抗議を引き起こした。
C1 adjective /rɪˈdʌn.dənt/

redundant

冗長な
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
その報告書には冗長な情報が含まれていました。
C1 noun /rɪˈliːf treɪn/

Relief Train

救援列車
Meaning
a train that carries emergency supplies and aid to disaster-affected areas
Example
The relief train arrived with food and medical supplies for the flood victims.
救援列車は洪水の被害者のために食料と医療物資を運んできました。
C1 noun /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

幸福
Meaning
the process of restoring someone or something to health or normal life through training or therapy
Example
After the accident, he went through months of rehabilitation to walk again.
彼女は賞を受け取ったとき、自分の幸福を隠せなかった。
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

ロボット手術
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
ロボット手術は複雑な手順で精度を高めます。
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。
C1 noun /ˈrɛdʒɪmənt/

regiment

Meaning
A permanent unit of an army, typically commanded by a colonel and divided into several companies.
Example
The regiment marched proudly through the streets after returning from the mission.
C1 adjective /ˈroʊtəri/

rotary

回転式
Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
その機械は効率的に動作するためにロータリーエンジンを使用しています。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 noun /ˈrɛɡjəleɪtər/

regulator

調整装置
Meaning
a person or device that controls or maintains the operation of a system
Example
The government appointed a new regulator for the financial sector.
政府は金融セクターの新しい規制機関を任命した。
C1 noun /rɪˈnaʊn/

Renown

名声; 評判
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
その科学者は発見によって国際的な名声を得た。
C1 noun /ˈrɑːstər/

roster

リスト
Meaning
A list or plan showing people’s duties or times when they are scheduled.
Example
The manager updated the staff roster for next week.
マネージャーは来週のスタッフリストを更新しました。
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

ロイヤルベンガルタイガー
Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
ロイヤルベンガルタイガーはスンダルバンスの象徴的な種です。
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.
C1 verb /ˈruː.mɪ.neɪt/

ruminate

思索する, 反芻する
Meaning
to think deeply about something; to chew cud (for animals)
Example
She sat alone to ruminate on her decision.
彼女は自分の決断について一人で思索していた。
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。
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

返品可能
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
ボトルはデポジット返金のために返品可能です。
C1 verb /riːˈpeɪ.tri.eɪt/

repatriate

帰還させる
Meaning
To return someone to their own country, often after war or imprisonment.
Example
The government worked to repatriate the refugees safely.
政府は難民を安全に帰国させるために尽力しました。
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 adjective /ˈrʌs.tɪk/

Rustic

シンプルで洗練されていない; 農村地域に関連
Meaning
simple and unsophisticated; relating to rural areas
Example
The rustic cottage had wooden beams and a thatched roof.
そのラスティックな小屋は木製の梁と藁葺きの屋根を持っていた。
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

資源効率的
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
資源効率的な農業は、水とエネルギーを節約します。
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。
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 /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。
C1 verb /reɪz/

raze

取り壊す
Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
古い工場は新しいアパートメントのために取り壊されました。
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。
C1 noun /rɪˈpraɪ.zəl/

Reprisal

報復
Meaning
an act of retaliation; revenge taken for an injury or wrong
Example
The attack was carried out as a reprisal for the earlier bombing.
この攻撃は以前の爆撃に対する報復として行われました。
C1 noun ˌriːˈstrʌk.tʃər.ɪŋ

restructuring

再構築
Meaning
The action of organizing something differently.
Example
The company underwent restructuring to improve efficiency.
会社は効率を高めるために再構築を行った。
C1 adjective /ˈrænsɪd/

rancid

腐った
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
バターは外に長時間置かれて腐ってしまった。
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 noun /rɪˈpɛərə/

repairer

修理人
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
修理人は壊れた洗濯機をすぐに直した。
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。
C1 verb /ˌriːˈmɒdəl/

remodel

改装する
Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
彼らは昨年の夏にキッチンをリモデルすることに決めました。
C1 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

報復的
Meaning
Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.
Example
The country imposed retaliatory tariffs in response to trade sanctions.
その国は貿易制裁に対して報復的な関税を課しました。
C1 verb /ˌrɛzəˈrɛkt/

resurrect

復活させる
Meaning
To bring back to life or revive something from the past.
Example
The director decided to resurrect the old play for a new audience.
監督は新しい観客のために古い劇を復活させることに決めました。
C1 noun /raɪt/

rite

儀式
Meaning
a religious or ceremonial act
Example
The wedding rite was performed with great solemnity.
結婚式の儀式は厳粛に行われました。
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 /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。
C1 verb /rɪˈsɜːrdʒ/

resurge

再興
Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
伝統工芸に対する関心が再び高まり始めています。
C1 noun /ræˈpɔːr/

rapport

関係
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
教師は生徒と強い関係を築いた。
C1 noun/verb /rɪˈproʊtʃ/

reproach

非難 / 批判
Meaning
An expression of disapproval or disappointment; to criticize someone for doing wrong.
Example
She reproached him for arriving late to the meeting.
彼女は会議に遅れたことを彼に非難した。
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 verb /ˈræʃənaɪz/

rationlize

合理化する
Meaning
to justify or explain something with logical reasons, even if not appropriate or true
Example
He tried to rationlize his mistake by blaming the system.
彼はシステムを責めて自分のミスを合理化しようとした。
C1 verb /ˈrætɪfaɪ/

ratify

批准する
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
政府は貿易協定を批准しました。
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。
C1 verb /rɪɡ/

rig

操作する
Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
選挙は腐敗した役人によって操作されました。
C1 noun /ˈrʌp.tʃər/

Rupture

破裂; 関係の断絶
Meaning
breaking or bursting apart; breakdown of relations
Example
The rupture in the pipeline caused a massive oil spill.
パイプラインの破裂が大規模な石油漏れを引き起こしました。
C1 verb /riˈɪtəreɪt/

reiterate

繰り返す
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
教師は正直さの重要性を繰り返し述べました。
C1 adjective /ˈraɪ.tʃəs/

Righteous

正義の; 公正な; 道徳的な
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
彼女は労働者の不当な扱いに対して正義の怒りを感じました。
C1 noun /ˈrɪɡər/

rigor

厳格さ
Meaning
strictness, severity, or demanding conditions
Example
The training was carried out with great rigor.
訓練は大変厳格に行われました。
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 /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/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

回復
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
病気からの回復には休息が不可欠です。
C1 adjective /ˈræb.ɪd/

rabid

狂信的
Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
彼はサッカーチームの狂信的なファンだった。
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。
C1 noun /rɪˈpɔːrtɪʒ/

reportage

報道
Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
その雑誌は政治問題に関する詳細な報道で知られています。
C1 noun /ˌrɛmɪˈnɪsəns/

reminiscence

回想
Meaning
a story or memory about past events
Example
He shared a reminiscence of his childhood days in the village.
彼は村での子供時代の思い出を語った。
C1 adjective /ˈrek.wɪ.zɪt/

Requisite

必要な; 必須の
Meaning
made necessary by particular circumstances; required
Example
Good communication skills are requisite for this job.
この仕事には良いコミュニケーションスキルが必要です。
C1 adjective /rɪˈzɪdjuəl/

residual

残余
Meaning
Remaining after the greater part has gone.
Example
The patient experienced residual pain after the surgery.
患者は手術後に残余の痛みを感じました。
C1 adjective /ˈreɪdiənt/

radiant

輝く
Meaning
Shining brightly; expressing great happiness.
Example
She looked radiant in her wedding dress.
彼女はウェディングドレスで輝いて見えました。
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。
C1 noun /rɪˈfɜːrər/

referrer

紹介者
Meaning
a person who directs someone to another person or service
Example
The referrer earned a bonus for recommending a new client.
紹介者は新しい顧客を推薦したことでボーナスを得ました。
C1 noun /ˈræp.tʃər/

rapture

狂喜, 恍惚
Meaning
A feeling of intense joy, delight, or ecstasy.
Example
She listened to the music in rapture.
彼女は音楽に没頭して、狂喜していました。
C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

喜び
Meaning
The action of showing great joy or happiness
Example
There was much rejoicing after the victory.
勝利後、多くの喜びがありました。
C1 noun /ˈræʃən/

ration

配給
Meaning
a fixed amount of something, especially food, officially allowed to each person
Example
During the war, each family received a weekly ration of rice.
戦争中、各家族は毎週一定量のご飯を配給されました。
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的な
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
このジャケットはリバーシブルで、両面で着られます。
C1 verb /rɪˈdiːm/

redeem

償う
Meaning
to compensate for faults or mistakes; to exchange something for value
Example
He managed to redeem his reputation after the scandal.
彼はスキャンダル後に自分の評判を回復しました。
C1 verb /rɪˈtɔːrt/

retort

反論
Meaning
To reply quickly or sharply, often in a witty or angry manner.
Example
He quickly retorted that he was not to blame.
彼は素早く反論した、彼が悪くないと言った。
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。
C1 verb /rɪˈmjuːnəreɪt/

remunerate

報酬を支払う
Meaning
To pay someone for services or work done.
Example
The company will remunerate employees fairly for their overtime.
会社は残業に対して従業員に公正な報酬を支払います。
C1 noun /ˌrɛpəˈreɪʃən/

reparation

賠償
Meaning
the making of amends for a wrong done by paying money or helping those who were wronged
Example
The government offered reparations to the victims of the conflict.
政府は紛争の被害者に賠償を提供しました。