repress
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英語 BN ベンガル語 HI ヒンディー語 ES スペイン語 FR フランス語 DE ドイツ語 RU ロシア語 ZH 中国語 JA 日本語
All Vocabulary Cards All Vocabularies
C1 verb /rɪˈprɛs/

repress

Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
B1 adjective /ˈrʊr.əl/

Rural

田舎の
Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
彼女は街から遠く離れた田舎の地域で育ちました。
A2 adjective /ˈrʌʃən/

russian

Meaning
relating to Russia, its people, or its language
Example
She is studying the Russian language at university.
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。
C2 adjective /rɪˈfʌldʒənt/

refulgent

輝く
Meaning
Shining brightly; radiant.
Example
The refulgent sun lit up the entire valley.
輝く太陽が谷全体を照らした。
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。
C2 verb (archaic/rare) /rɛk/

reck

気にする
Meaning
To care about or be concerned with (something); to have regard for.
Example
He does not reck the dangers of his actions.
彼は自分の行動の危険を気にしない。
B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

再考する
Meaning
to think about something again, especially to change a decision or opinion
Example
She decided to reconsider her decision about moving abroad.
彼女は海外に引っ越すという決断を再考することに決めました。
C2 adjective /ˈrɛd.ələnt/

redolent

Meaning
having a strong pleasant smell; strongly reminiscent or suggestive of something
Example
The kitchen was redolent of spices and fresh herbs.
C2 verb /rɪˈɡeɪl/

regale

楽しませる
Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
彼は世界中を旅した話で私たちを楽しませました。
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.
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。
B2 adjective /rɪˈliːvd/

relieved

安心した
Meaning
feeling happy and less worried after something stressful has been removed or resolved
Example
She felt relieved after hearing the good news.
良い知らせを聞いた後、彼女は安心した。
B2 adjective /ˈreɪʃəl/

racial

人種の
Meaning
relating to a race of people
Example
Racial equality is an important issue in many societies.
人種平等は多くの社会において重要な問題です。
C1 verb /rɪˈklaɪn/

recline

リクライニングする
Meaning
To lean or lie back in a relaxed position.
Example
She reclined on the sofa with a book.
彼女はソファで本を持ってリクライニングしていた。
B2 verb /rɪˈtriːv/

retrieve

取り戻す
Meaning
to get something back that was lost or taken; to recover
Example
She managed to retrieve her lost phone from the taxi.
彼女はタクシーから失われた電話を取り戻すことができました。
C2 adjective /ˈruːnɪk/

runic

ルーンに関連する
Meaning
relating to or consisting of runes; mysterious or magical
Example
The old stone had strange runic carvings on it.
古い石には奇妙なルーンの刻印がありました。
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 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。
B1 noun /ˈrɛntəl/

rental

レンタル
Meaning
an arrangement in which something is rented, or the amount paid for renting
Example
The car rental was more expensive than we expected.
レンタカーは予想より高かった。
B2 noun /ˈraɪvəl/

Rival

ライバル; 競争相手;
Meaning
a person or thing competing with another for the same objective or for superiority in the same field
Example
The two companies have been business rivals for decades.
二つの企業は何十年もの間、商業上のライバルです。
B1 adjective /rɪˈkwaɪəd/

required

必要な
Meaning
necessary or compulsory
Example
A visa is required to enter the country.
その国に入るにはビザが必要です。
C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

革命的に変える
Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
人工知能は医療分野を革命化する準備ができています。
C2 verb /ˈræm.ɪ.faɪ/

ramify

分岐する
Meaning
to spread or branch out into divisions or subdivisions.
Example
The river ramifies into several smaller streams.
川は複数の小さな小川に分岐します。
A2 adjective /riːl/

Real

本物の; 真正の; 偽物ではない
Meaning
actually existing; genuine; not imaginary or fake
Example
This is a real diamond, not a fake one.
これは本物のダイヤモンドです。偽物ではありません。
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。
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。
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。
C2 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
B2 noun /ˈriːteɪlər/

retailer

小売業者
Meaning
a person or business that sells goods to consumers rather than to other businesses
Example
The retailer offers discounts on electronic products.
小売業者は電子製品に割引を提供しています。
A1 noun, verb /rɛst/

rest

Meaning
to cease work or movement in order to relax or recover strength
Example
He needs to rest after the long journey.
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。
B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

安心
Meaning
comfort or confidence given to someone to remove their fears or doubts
Example
She needed reassurance that everything would be okay.
彼女はすべてがうまくいくことを確認するために安心が必要でした。
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。
B1 verb /rʌb/

rub

こする
Meaning
to press and move something firmly against a surface; to apply pressure with movement
Example
She rubbed her hands together to keep them warm.
彼女は手をこすり合わせて暖かく保った。
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。
C2 noun /rɪˈvaɪ.zəl/

revisal

改訂
Meaning
The act of revising, reviewing, or making changes to something.
Example
The revisal of the contract took longer than expected.
契約の改訂には予想以上の時間がかかりました。
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。
C2 noun /ˈrʊkəri/

rookery

鳥の巣
Meaning
a place where rooks or other birds breed and nest in colonies
Example
We saw a rookery full of noisy birds near the forest.
森の近くで、騒がしい鳥たちでいっぱいの鳥の巣を見ました。
C2 noun /ˌriːkəˌpɪtjʊˈleɪʃən/

recapitulation

要約
Meaning
The act of summarizing or repeating the main points of something.
Example
The professor gave a brief recapitulation of the lecture before ending the class.
教授はクラスを終える前に講義の簡単な要約を行いました。
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 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。
B2 noun /ˌrɛvəˈleɪʃən/

revelation

啓示
Meaning
A surprising and previously unknown fact, especially one made known in a dramatic way.
Example
The book was full of shocking revelations about the politician.
その本はその政治家に関する衝撃的な啓示で満ちていました。
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。
B1 noun /rɪˈsep.ʃən/

Reception

歓迎; 受け入れ; イベント;
Meaning
the action of receiving something or someone; a formal social occasion held to welcome someone
Example
The wedding reception was held at a beautiful hotel.
結婚式のレセプションは美しいホテルで行われました。
C1 verb /rɪˈpiːl/

repeal

Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
C1 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。
C2 noun /ˈræp.aɪn/

rapine

略奪
Meaning
the violent seizure of someone's property
Example
The war was marked by rapine and destruction.
戦争は略奪と破壊で特徴づけられていた。
B1 noun /ˈriː.dʒən/

Region

地域; 区域; 地帯
Meaning
a particular area or part of a country or the world
Example
This region is famous for its wine production.
この地域はワイン生産で有名です。
C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する
Meaning
to express disapproval or criticism of someone or something
Example
The teacher reprehended the student for being dishonest.
先生は不正直なことで生徒を叱りました。
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。
A2 noun /ˈruːlər/

ruler

支配者; 定規
Meaning
A person who governs or controls a country; a straight-edged tool used for measuring or drawing lines
Example
The ruler drew a straight line on the paper while the king was a powerful ruler of his kingdom.
ルーラーは紙にまっすぐな線を引き、王は自分の王国の強力な支配者でした。
A2 verb /ˈriːəlaɪz/

realize

気づく
Meaning
to become aware of; to understand clearly; to achieve or make real
Example
I didn't realize how late it was until I checked the clock.
時計を見るまで、こんなに遅いとは気づかなかった。
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。
B2 verb /ˈraɪpən/

ripen

幸せ
Meaning
to become or make something ready to eat or fully developed
Example
The bananas ripened quickly in the warm weather.
彼女は賞を受け取ったとき、幸せを隠せなかった。
C1 noun /rɪˈbʌtəl/

rebuttal

反論
Meaning
a statement or argument made to oppose or disprove another
Example
Her rebuttal was clear and convincing.
彼女の反論は明確で説得力がありました。
B2 adjective /rɪˈlaɪ.ənt/

reliant

依存している
Meaning
depending on someone or something for support
Example
The country is too reliant on imported goods.
その国は輸入品に依存しすぎている。
C2 noun /ˈrɪɡməˌroʊl/

rigmarole

面倒なこと
Meaning
a long, complicated, and confusing process or story
Example
Getting a visa was such a rigmarole of paperwork and interviews.
ビザを取得するのは、書類とインタビューの面倒なことだった。
B1 noun /rɪˈliːf/

Relief

安心; 安堵; 支援
Meaning
a feeling of comfort after worry or distress; assistance given to those in need
Example
She felt great relief when the exam was over.
試験が終わったとき、彼女は大きな安堵感を感じました。
C2 noun /rɪˈpruːf/

reproof

叱責, 非難
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
彼の不注意な言葉は、母親からの厳しい叱責を引き起こした。
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。
B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

レクリエーション活動; 何かを再び存在させるプロセス
Meaning
an activity that is done for enjoyment; the process of making something exist again
Example
The park provides recreation facilities for children and adults.
公園は子供と大人のためにレクリエーション施設を提供しています。
C2 noun /rɪˈfɛkʃən/

refection

食事 / 反省
Meaning
a meal or the act of taking food and drink
Example
The monks gathered for their evening refection.
僧侶たちは夕食のために集まりました。
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。
B2 noun /rɪˈsiː.vər/

Receiver

受話器
Meaning
a person or thing that receives something; the part of a telephone containing the earpiece and mouthpiece
Example
She picked up the receiver to answer the phone call.
彼女は電話に出るために受話器を取った。
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。
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。
A2 verb /ˈrɛkəɡnaɪz/

recognize

Meaning
To identify someone or something seen before; to acknowledge or accept.
Example
She did not recognize him in the crowd.
C2 noun /roʊˈtʌn.də.ti/

rotundity

円形
Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
風船の円形がそれを優雅に浮かせた。
C2 noun /rɪˌdʒuːvəˈnɛsəns/

rejuvenescence

再生
Meaning
the action or process of becoming young or fresh again
Example
The forest showed signs of rejuvenescence after the rains.
雨の後、森は再生の兆しを見せました。
C2 noun /rʌmp/

Rump

尻; お尻; 背中の下部
Meaning
the hindquarters or buttocks; the lower back area
Example
The horse injured its rump during the fall.
その馬は転倒した際にお尻を痛めました。
B2 adjective /ˈroʊlɪŋ/

rolling

転がる
Meaning
moving in gentle undulations; moving forward by turning over and over
Example
They drove through the rolling hills of the countryside.
彼らは田舎の転がる丘を通り抜けました。
B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

繰り返し
Meaning
the action of repeating something that has already been said or written
Example
Constant repetition helps students memorize vocabulary effectively.
継続的な繰り返しは、学生が語彙を効果的に覚えるのを助けます。
B2 adjective /ˈræp.ɪd/

Rapid

迅速な；急速な；素早い；
Meaning
happening in a short time or at a fast pace
Example
The rapid growth of technology has changed our daily lives.
テクノロジーの急速な成長は私たちの日常生活を変えました。
C1 adjective /ˈrɔːkəs/

raucous

騒々しい, うるさい
Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
チームがゴールを決めると、群衆は騒がしくなった。
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。
C2 adjective /ˈrɛkriənt/

recreant

臆病な, 裏切り者
Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
その臆病な兵士は恐怖で自分のポストを放棄した。
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。
C2 verb /rɪˈkwaɪt/

requite

返す
Meaning
to return or repay a favor, service, or feeling
Example
She requited his kindness with a thoughtful gift.
彼女は彼の親切に思慮深い贈り物で報いました。
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 verb /ˌriː.kəˈnɔɪ.tər/

reconnoiter

偵察する
Meaning
to make a preliminary inspection or survey, especially of an area for military or strategic purposes
Example
The soldiers reconnoitered the area before advancing.
兵士たちは進軍する前にその地域を偵察しました。
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 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。
B2 adverb /ˈræp.ɪd.li/

Rapidly

速やかに; 急速に
Meaning
at a fast speed; quickly
Example
The company is rapidly expanding into new markets.
会社は新しい市場に急速に拡大しています。
C1 noun /ˈrɛspɪt/

respite

休息
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
週末は仕事からの歓迎される休息を提供しました。
B2 noun ˌriːkənˈstrʌkʃn

reconstruction

再建
Meaning
The action or process of reconstructing or being reconstructed.
Example
The reconstruction project took years.
再建プロジェクトは数年かかりました。
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。
B1 adverb /ˈrel.ə.tɪv.li/

Relatively

相対的に
Meaning
in comparison to something else; quite; fairly
Example
The weather is relatively warm today.
今日の天気は相対的に暖かい。
C2 noun /ˈrɪvjʊlət/

rivulet

小川
Meaning
a small stream of water; a tiny brook
Example
A rivulet ran down the hillside after the rain.
雨の後、小川が丘を下った。
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 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 /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。
B1 noun /ˌrɛdʒɪˈstreɪʃən/

registration

登録
Meaning
the action or process of enrolling or signing up for something
Example
The registration for the event will close tomorrow.
イベントの登録は明日締め切りです。
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。
B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅の
Meaning
Designed for people to live in.
Example
The institution was fully residential.
その施設は完全に住宅のものでした。
A2 adjective /ˈriː.sənt/

Recent

最近の; 新しい; 現在の;
Meaning
happening not long ago; new; current;
Example
The recent changes in weather patterns concern scientists.
最近の天気の変化は科学者たちを心配させています。
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。
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。
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。
C2 noun /ˈrɛkjʊzənt/

recusant

反抗者
Meaning
a person who refuses to submit to authority or comply with rules
Example
The recusant opposed the new law.
反抗者は新しい法律に反対しました。
B1 verb /rɪˈliːs/

release

解放する
Meaning
to set free; to allow something to escape or go away
Example
The prisoner was released after ten years.
囚人は10年後に解放されました。
C1 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。
B2 noun /ˈraɪvəlri/

Rivalry

ライバル関係; 競争
Meaning
competition for the same objective or for superiority in the same field; the state of being rivals
Example
The rivalry between the two teams made the match exciting.
二つのチーム間のライバル関係が試合を興奮させた。
C2 noun /ˈrɪp.lɪt/

ripplet

小さな波
Meaning
a small or tiny ripple
Example
Tiny ripplets appeared on the lake as the fish moved.
魚が動くと湖に小さな波が現れました。
B2 noun /ˈraɪət/

Riot

暴動; 騒乱
Meaning
a violent disturbance of the peace by a crowd; an uncontrolled outburst
Example
The peaceful protest turned into a riot when violence broke out.
平和的な抗議は暴力が起こったときに暴動に変わった。
B2 adjective /rɪˈfaɪnd/

Refined

洗練された; 精製された
Meaning
elegant and cultured in appearance, manner, or taste; purified
Example
She has very refined taste in art and music.
彼女は芸術と音楽に非常に洗練された趣味を持っています。
B2 noun /reɪdʒ/

rage

怒り
Meaning
intense anger or fury
Example
She shouted in a fit of rage after hearing the news.
彼女はそのニュースを聞いて怒りの叫び声を上げました。
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 ˈrɛp.ə.twɑːr

repertoire

レパートリー
Meaning
A stock of plays, dances, or pieces that a company or a performer knows or is prepared to perform.
Example
The actor's repertoire includes both comedy and drama.
俳優のレパートリーにはコメディとドラマが含まれています。
B2 adjective ˌrev.əˈluː.ʃən.ər.i

revolutionary

革命的な
Meaning
Involving or causing a complete or dramatic change.
Example
Revolutionary ideas are reshaping the industry.
革命的なアイデアが業界を再編成しています。
B2 verb /ˌriː.ɪnˈfɔːrs/

reinforce

強化する
Meaning
To strengthen or support something with additional material, people, or effort.
Example
The teacher used examples to reinforce the lesson.
教師は例を使って授業を強化しました。
B2 noun /ˈraɪfəl/

Rifle

ライフル
Meaning
a gun with a long barrel that is fired from the shoulder
Example
The soldier carried a rifle during the mission.
兵士は任務中にライフルを携帯していました。
B2 noun, verb /ræmp/

ramp

ランプ
Meaning
a sloping surface joining two different levels; as a verb, to increase or rise sharply
Example
The car drove up the ramp into the parking garage.
車は駐車場のランプを上がった。
C2 adjective /rɪˈfræktəri/

refractory

反抗的
Meaning
Stubborn or resistant to control, authority, or treatment.
Example
The refractory child refused to follow the teacher's instructions.
反抗的な子供は教師の指示に従うのを拒否した。
C2 adjective /ˈrɛpərəbəl/

reparable

修理可能
Meaning
able to be repaired or fixed
Example
The damage to the car was serious but still reparable.
車の損傷は深刻だったが、それでも修理可能だった。
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.
A2 verb /rɪˈpleɪs/

replace

交換する
Meaning
to take the place of something or someone; to put something new in place of something old
Example
He decided to replace the broken lamp with a new one.
彼は壊れたランプを新しいものと交換することに決めました。
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。
A2 adjective /reər/

Rare

珍しい
Meaning
not occurring very often; uncommon or unusual
Example
It's rare to find such beautiful handmade jewelry these days.
こんな美しい手作りのジュエリーを見つけることは珍しい。