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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 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

相互の; 互恵的な; 両者で平等に分け合う;
Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
二国間には相互の貿易協定があります。
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。
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 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 adjective /ˈrep.jə.tə.bəl/

Reputable

評判の良い
Meaning
having a good reputation; respected and trusted
Example
She works for a reputable law firm in the city.
彼女はその都市の評判の良い法律事務所で働いています。
C1 noun /rɪdʒ/

ridge

山の稜線または頂上
Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
私たちは山脈の稜線に沿って歩きました。
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 adverb /ˈrɪdʒɪdli/

Rigidly

厳格に; 柔軟性なしで
Meaning
in a strict, inflexible manner; without compromise
Example
The rules are rigidly enforced in this institution.
この機関ではルールは厳格に適用されます。
C1 noun /ˈrem.nənt/

Remnant

残留物
Meaning
a small remaining quantity of something; a piece of cloth left over after the main piece has been used
Example
Only a remnant of the ancient wall remains.
古代の壁の残り物だけが残っています。
C1 verb /ˌriːəˈfɜːrm/

reaffirm

再確認する
Meaning
To state again strongly; to confirm or strengthen a statement or belief.
Example
The president reaffirmed his commitment to education reform.
大統領は教育改革への取り組みを再確認した。
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 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 /ˌrɛprɪzɛnˈteɪʃənl̩/

representational

表現的
Meaning
Relating to or depicting something in a realistic or symbolic way.
Example
The artist preferred a representational style of painting.
アーティストは表現的な絵画スタイルを好んでいました。
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 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 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 adjective /rɪˈpʌl.sɪv/

Repulsive

嫌悪感を引き起こす; 不快な; 嫌悪を引き起こす
Meaning
extremely unpleasant; causing strong dislike or disgust
Example
The smell of rotten eggs was absolutely repulsive.
腐った卵の匂いは完全に嫌悪感を引き起こしました。
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 verb /rɪˈpiːl/

repeal

Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
C1 adjective /ˈroʊ.ɡɪʃ/

Roguish

いたずらな; 狡猾な
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
彼のいたずらな笑顔は、彼が何かいたずらを仕掛けていることを示唆していました。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

払い戻す
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
会社は彼に旅行費用を払い戻しました。
C1 verb/noun /ˈrɛlɪʃ/

relish

楽しむ / 調味料
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
彼女は海外旅行の機会を大いに楽しんでいました。
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。
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 /rɪˈsɜː.dʒəns/

resurgence

再生
Meaning
An increase or revival after a period of little activity, popularity, or occurrence.
Example
The city saw a resurgence in tourism after the pandemic.
都市はパンデミック後、観光業の再生を見ました。
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 verb /ˈræʃənəlaɪz/

rationalize

合理化する
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
彼女は交通渋滞を責めて、遅刻を合理化しようとした。
C1 adjective /riˈækʃəˌneri/

reactionary

反動的
Meaning
Opposing political or social progress or reform; extremely conservative.
Example
The group took a reactionary stance against the new policies.
グループは新しい政策に対して反動的な立場を取った。
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 /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 rɪˈpel

repel

反発する
Meaning
To push away or force apart due to similar charges or properties.
Example
Protons repel each other.
陽子はお互いに反発し合う。
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 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 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 /roʊt/

rote

暗記
Meaning
mechanical or habitual repetition, often without understanding
Example
He learned the poem by rote without understanding its meaning.
彼はその詩を意味を理解せずに暗記しました。
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 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 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 /ˈræftər/

rafter

小屋の梁
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
古い納屋の小屋の梁がむき出しになっていました。
C1 noun /ˈruːdɪmənt/

rudiment

基本
Meaning
A basic principle, element, or fundamental part of something.
Example
He learned the rudiments of music before joining the band.
彼はバンドに参加する前に音楽の基礎を学びました。
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.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 /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 /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 /ˈrʌbəl/

rubble

瓦礫
Meaning
Broken stone, bricks, or debris from a collapsed building or structure.
Example
The rescue team searched through the rubble after the earthquake.
地震後、救助隊は瓦礫の中を探しました。
C1 verb /rɪˈvɪər/

revere

尊敬する
Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
生徒たちはその知恵に対して教師を崇敬しました。
C1 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 /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 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 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。
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 /ˈriːkɔːrs/

recourse

助け, 対処
Meaning
a source of help or protection in a difficult situation
Example
The students had no recourse but to appeal to the principal.
学生たちは校長に訴える以外に方法がなかった。
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

再活性化する
Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
新しい政策は経済を再活性化することを目的としています。
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 verb /ˈrɪdɪkjuːl/

ridicule

嘲笑する
Meaning
To make fun of someone or something in a cruel or dismissive way.
Example
He was ridiculed for his strange ideas.
彼は奇妙な考えのために嘲笑されました。
C1 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 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 /rɪˈpjuː.di.eɪt/

repudiate

否定する
Meaning
to refuse to accept, recognize, or support something
Example
He repudiated the claim that he was involved in the scandal.
彼はそのスキャンダルに関与していたという主張を否定しました。
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 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/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 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顧
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
回顧すると、その決定は賢明ではなかったように思えた。
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 noun /rɪˈvɜːrʒən/

reversion

逆転
Meaning
the act of returning to a previous state or condition
Example
The new policy marked a reversion to traditional methods.
新しい政策は伝統的な方法への逆転を意味しました。
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

受容性
Meaning
The ability or willingness to receive something, especially signals or stimuli.
Example
Her receptivity to new ideas helped improve the project.
新しいアイデアへの受容性がプロジェクトの改善に役立った。
C1 noun /rɪˈsaɪtl/

recital

リサイタル
Meaning
A performance of music, dance, or poetry, usually by a soloist.
Example
She gave a piano recital at the concert hall.
彼女はコンサートホールでピアノのリサイタルを行いました。
C1 noun /rɪˈvʌlʃən/

revulsion

嫌悪
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
彼女はその残酷な行為を見て嫌悪感を覚えた。
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 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 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 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 /riːˈfɜːrbɪʃ/

refurbish

改装する
Meaning
To renovate or redecorate something, especially a building.
Example
The company decided to refurbish its old office.
その会社は古いオフィスを改装することを決定しました。
C1 noun /rɪˈkɒnɪsəns/

reconnaissance

偵察
Meaning
A survey or exploration, especially for military or strategic purposes.
Example
The soldiers conducted a reconnaissance of the enemy camp.
兵士たちは敵のキャンプの偵察を行った。
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 /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 adjective /rɪˈtɔːrɪkəl/

rhetorical

修辞的
Meaning
relating to the art of effective or persuasive speaking or writing; often a question asked to make a point rather than get an answer
Example
He asked a rhetorical question during the debate.
彼は討論中に修辞的な質問をした。
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 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 /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 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 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 /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 /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。
C1 verb /ræsp/

rasp

Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
C1 verb /ˌrekəˈlekt/

recollect

思い出す
Meaning
to remember something; to recall from memory
Example
I can't recollect where I put my keys.
鍵をどこに置いたか思い出せません。
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 /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 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/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 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 /ˈrɛtroʊˌɡreɪd/

retrograde

後退的
Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
その政策は人権に対する後退的な一歩と見なされた。
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 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 /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 /ˈreɪ.biːz/

rabies

狂犬病
Meaning
A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.
Example
The dog was vaccinated against rabies.
犬は狂犬病のワクチンを接種しました。
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 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 /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。
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 /rɪˈsaɪtər/

reciter

朗誦者
Meaning
a person who recites or repeats something aloud from memory, especially poetry, prayers, or formal texts
Example
The reciter delivered the poem with clarity and emotion.
朗誦者は明瞭さと感情を込めて詩を朗読した。
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 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 /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 /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 /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 ˌriːˌvaɪ.təl.aɪˈzeɪ.ʃən

revitalization

再生
Meaning
The action of giving new life and vitality to something.
Example
Proper rest and nutrition lead to revitalization of the body.
適切な休息と栄養は体のリバイタライゼーションに繋がります。
C1 adjective /rɪˈɡrɛtfəl/

regretful

後悔している
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
彼女は振り返りながら後悔している笑顔を彼に向けた。
C1 verb /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。
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 adjective /rɪˈvoʊltɪŋ/

revolting

むかつく
Meaning
extremely unpleasant or disgusting
Example
The smell of the garbage was revolting.
ごみのにおいはむかつくほどだった。
C1 verb /ˌriːˈsiːt/

reseat

再座席
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
接客係は中断後、ゲストを再座席させなければならなかった。
C1 noun /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。
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 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 adjective /rɪˈsɜːrdʒənt/

resurgent

復活した
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
復活した経済は多くのビジネスに希望を与えた。
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 /rɪˈmɪt/

remit

送金する / 免除する
Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
彼は週の終わりまでに支払いを送金すると約束しました。
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 adjective rɪˈsɛʃ.ən.er.i

recessionary

不況に関する
Meaning
Relating to or characterized by economic recession.
Example
Governments introduce policies to counter recessionary effects.
政府は景気後退の影響に対処するために政策を導入しています。
C1 verb /rɪˈkɔɪl/

recoil

後退する
Meaning
To suddenly spring back in fear, horror, or from force such as a gun's kickback.
Example
She recoiled at the sight of the snake.
彼女はヘビを見て後退した。