renege
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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 verb /ˌriːˈtʌtʃ/

retouch

修正する
Meaning
To improve or repair a picture, photograph, or image by making small changes.
Example
The photographer retouched the image to remove blemishes.
写真家は画像を修正して、シミを取り除きました。
C1 noun, adjective /ˈrɛvərənd/

reverend

牧師, 尊敬される
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
レヴァレンドは教会で感動的な説教をしました。
C1 adjective /ˈrɛtɪsənt/

reticent

控えめ
Meaning
not revealing one's thoughts or feelings readily; reserved
Example
She was reticent about her personal life.
彼女は自分の個人的な生活について控えめでした。
C1 verb /ˈrɛzəneɪt/

resonate

共鳴する
Meaning
To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.
Example
Her words resonated with the audience.
彼女の言葉は聴衆に響いた。
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 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 /rɪˈkluːs/

recluse

隠者
Meaning
A person who lives alone and avoids other people; someone who lives a solitary life.
Example
The old man lived as a recluse in the mountains.
その老人は山の中で隠者として暮らしていた。
C1 adjective /ˈraʊzɪŋ/

rousing

興奮させる
Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
スピーカーは聴衆を感動させる興奮させるスピーチをしました。
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 verb /rɪˈfjuːt/

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。
C1 verb /rɪˈsiːd/

recede

後退する
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
激しい雨が止んだ後、洪水は後退し始めました。
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 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 /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 verb /ˈrek.ən.saɪl/

reconcile

和解する, 調和する
Meaning
Restore friendly relations between; cause to coexist in harmony.
Example
They tried to reconcile their differences through open communication.
彼らは開かれたコミュニケーションを通じて自分たちの違いを和解しようとしました。
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 /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 noun /rɔ ˈtɜrmərɪk/

Raw Turmeric

生のターメリック
Meaning
fresh unprocessed root of the turmeric plant used as a spice and medicine
Example
Grate raw turmeric into the curry for authentic flavor.
カレーに生のターメリックをすりおろして、オーセンティックな風味を加えましょう。
C1 verb /ˈrʌm.ɪdʒ/

rummage

乱雑に探す
Meaning
to search through something in a disorderly way
Example
He rummaged through the drawer for his keys.
彼は引き出しの中を漁って鍵を探していた。
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 /ˌruː.dɪˈmen.tər.i/

Rudimentary

基本的な; 初歩的な; 未発達な; 発展の初期段階にある
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
彼女はフランス語についての初歩的な知識しか持っていません。
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 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 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。
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 /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 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 verb /ˈræn.sæk/

ransack

略奪する
Meaning
to search a place roughly and steal or damage things
Example
Burglars ransacked the house while the family was away.
泥棒たちは家族が留守の間に家を荒らした。
C1 adjective /rɪˈtaɪərɪŋ/

retiring

内向的
Meaning
Shy and reserved; avoiding social contact.
Example
She is a quiet, retiring woman who avoids attention.
彼女は静かで内向的な女性で、注目を避ける。
C1 noun /ˈrʌfiən/

Ruffian

暴力的な人物; 不良;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
不良は店主を金のために脅した。
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 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 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 verb /ˌriːˈvæmp/

revamp

改装
Meaning
To give a new and improved form, structure, or appearance to something.
Example
The company decided to revamp its website for a modern look.
その企業は、モダンな外観のためにウェブサイトをリヴァンプすることを決定しました。
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 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 /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 verb /ˈrævɪdʒ/

ravage

荒廃させる
Meaning
to cause severe and extensive damage or destruction
Example
The hurricane ravaged the coastal villages.
ハリケーンは沿岸の村を荒廃させた。
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 noun /ˈroʊdənt/

rodent

齧歯類
Meaning
a small mammal such as a mouse, rat, or squirrel, characterized by constantly growing incisors
Example
The farmer set traps to catch the rodents in his barn.
農場主は納屋の中でロデントを捕まえるために罠を設置しました。
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 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。
C1 noun /ˈredʒ.ɪ.mən/

regimen

健康促進または回復のために処方された治療法、ライフスタイル、または食事
Meaning
A prescribed course of medical treatment, way of life, or diet for the promotion or restoration of health.
Example
A strict exercise regimen improves overall fitness.
厳格な運動レジメンは、全体的なフィットネスを向上させます。
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 /ˌrɛfjʊˈteɪʃən/

refutation

反証
Meaning
The act of proving a statement or argument to be false or incorrect.
Example
Her essay was a strong refutation of the opposing theory.
彼女のエッセイは反対の理論に対する強い反証でした。
C1 adjective /rɪˈsɛsɪv/

recessive

潜性
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
青い目の色はしばしばリセシブな特徴です。
C1 verb /riˈdʒɔɪn/

rejoin

再参加する
Meaning
to join again or return to a group, place, or activity
Example
After a short break, she decided to rejoin the team.
短い休憩後、彼女はチームに再参加することに決めました。
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 noun /ˌres.ɪˈteɪ.ʃən/

Recitation

朗読
Meaning
the action of reciting or repeating aloud from memory
Example
The poetry recitation contest was held in the auditorium.
詩の朗読大会はホールで行われました。
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。
C1 noun /ˈrʌmpəs/

Rumpus

騒動; 混乱; 騒音
Meaning
a noisy disturbance; an uproar or commotion
Example
The children caused quite a rumpus in the playground.
子供たちは遊び場でかなりの騒動を引き起こしました。
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 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 verb /rɪˈbʌt/

rebut

反論する
Meaning
to argue against or prove wrong; to refute
Example
The lawyer rebutted the false accusations with strong evidence.
弁護士は強力な証拠で虚偽の告発を反論しました。
C1 adjective /ˈrez.ə.luːt/

Resolute

決意の; 断固たる; 揺るがない
Meaning
determined; having a firm decision; unwavering
Example
She remained resolute in her decision to pursue her dreams.
彼女は夢を追い求める決意を固く持ち続けました。
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 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 /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 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 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 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 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 /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 /ˈruː.bi/

Ruby

ルビー
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
そのルビーの指輪は彼女にとって最も大切な宝物でした。
C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

応答する
Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
彼女は彼に微笑み、彼は温かい抱擁で応じた。
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 adjective /ˈrɪvɪtɪŋ/

riveting

魅力的な
Meaning
extremely interesting; holding the complete attention
Example
The movie was so riveting that nobody looked away.
その映画はとても魅力的で、誰も目を離すことができませんでした。
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。
C1 adjective /rɪˈmoʊtɪd/

remoted

リモートされた
Meaning
placed at a distance; made remote
Example
The system was remoted to a secure location.
システムは安全な場所にリモートされました。
C1 verb /rɪˈkaʊnt/

recount

語る
Meaning
to narrate or tell the details of an event or experience
Example
She recounted her adventures during the summer trip.
彼女は夏の旅行中の冒険について語った。
C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

再構成する
Meaning
to restore something to its original form or state; to reassemble
Example
The group was reconstituted after the leader returned.
リーダーが戻った後、グループは再構成されました。
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 verb /ˈræn.də.maɪz/

randomize

ランダム化する
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
ソフトウェアは質問の順番をランダマイズできます。
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。
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。
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 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

評判の良い; 有名な
Meaning
generally said or believed to be; having a particular reputation
Example
He is reputed to be one of the best doctors in the country.
彼はその国で最高の医者の一人と見なされています。
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。
C1 noun /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
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。
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 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 verb /ˈrɛplɪkeɪt/

replicate

複製する
Meaning
to copy, reproduce, or duplicate something exactly
Example
The scientist tried to replicate the experiment for accuracy.
科学者は実験を正確に再現しようとしました。
C1 verb rɪˈlɪŋ.kwɪʃ

relinquish

放棄する
Meaning
To give up any authority, responsibility, or property.
Example
He decided to relinquish his position as CEO.
彼はCEOのポジションを放棄することに決めました。
C1 verb /rɪˈɡrɛs/

regress

Meaning
To return to a former or less developed state.
Example
Without proper guidance, the child's progress began to regress.
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 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。
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 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 /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 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 /ˌrɛstɪˈtjuːʃən/

restitution

賠償
Meaning
The act of restoring something to its rightful owner or compensating for loss
Example
The court ordered restitution to the victims of the fraud.
裁判所は詐欺の被害者に賠償を命じました。
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。
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 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 /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 adjective /riˈæk.tɪv/

Reactive

反応的; 化学的に活発
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
会社は顧客の苦情に反応的なアプローチを採用しました。
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 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 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。
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 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 ˈriːdʒən spəˈsɪfɪk

region-specific

地域特有
Meaning
Relating to or characteristic of a particular region or area.
Example
Climate change impacts are region-specific.
気候変動の影響は地域特有です。
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。
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 /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 /rɪˈspɒnsɪvnəs/

responsiveness

反応性
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
マネージャーは彼女の顧客からのフィードバックに対する反応性を評価しました。
C1 noun/verb /ˈræfəl/

raffle

抽選券の販売
Meaning
A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.
Example
The charity decided to raffle a bicycle to raise funds.
チャリティーは資金調達のために自転車を抽選で販売することに決めました。
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 /raʊz/

rouse

目覚める
Meaning
To awaken from sleep or to stir into action.
Example
The loud alarm roused him from his deep sleep.
大きなアラームが彼を深い眠りから起こした。
C1 noun ˌrɛk.əˈlɛk.ʃən

Recollection

記憶
Meaning
Remembering past events or information
Example
His recollection of childhood memories was vivid.
彼の子供時代の記憶は鮮明だった。
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。
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 /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 verb /rɪˈsʌsɪteɪt/

resuscitate

Meaning
to revive someone from unconsciousness or apparent death
Example
The doctors tried to resuscitate the patient after the heart attack.
C1 phrase ˈriː.dʒən.əl ˈfɔː.rəm

regional forum

地域フォーラム
Meaning
A meeting or conference where representatives from countries or organizations in a specific geographical area discuss issues of common interest.
Example
The Regional Forum discussed deforestation impacts.
地域フォーラムでは、森林伐採の影響について議論されました。
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 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 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。