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 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 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。

B2 verb /rɪˈvɜːs/

reverse

反転する

Meaning

to change something to the opposite direction, position, or result

Example

She quickly reversed the car out of the driveway.

彼女はすぐに車をドライブウェイからバックさせました。

C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

抗議者

Meaning

A person who makes a forceful protest (noun); protesting or objecting (adjective).

Example

He was a remonstrant voice in the assembly.

彼は集会で抗議の声を上げていた。

B2 noun /ˈreɪtɪŋ/

rating

評価

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

その映画は批評家から高い評価を受けました。

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 /ˌrɛtroʊˈæktɪv/

retroactive

遡及的

Meaning

applying to a period before it was enacted or established

Example

The new law was made retroactive to cover past cases.

新しい法律は過去のケースをカバーするために遡及的に作られました。

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。

B2 adjective /ˈruːθ.ləs/

Ruthless

無慈悲な; 残酷な; 情け容赦ない

Meaning

showing no pity or compassion; cruel; merciless

Example

The ruthless dictator showed no mercy to his enemies.

その無慈悲な独裁者は、彼の敵に対して一切の慈悲を示さなかった。

A2 verb /riːtʃ/

reach

到達する

Meaning

to arrive at a destination; to extend one's arm to touch something

Example

We will reach the station in ten minutes.

私たちは10分以内に駅に到着します。

B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

容赦ない競争

Meaning

Fierce and merciless rivalry or contest, without pity or compassion.

Example

Ruthless competition for power leads to societal issues.

権力のための容赦ない競争は社会問題を引き起こします。

B1 adjective rɪˈlaɪ.ə.bəl

reliable

信頼できる

Meaning

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

Example

Reliable systems ensure efficiency.

信頼できるシステムは効率を確保します。

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 /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。

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。

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 /ræpt/

Rapt

夢中な

Meaning

completely fascinated or absorbed by what one is seeing or hearing

Example

The children listened with rapt attention to the storyteller.

子供たちは物語の語り手に夢中で耳を傾けました。

C2 noun /ˈrɛvəlri/

revelry

祭り

Meaning

Lively and noisy festivities, especially involving drinking and dancing.

Example

The sound of revelry could be heard throughout the night.

一晩中、祭りの音が聞こえていました。

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。

B2 verb /ˌriːkriˈeɪt/

recreate

再創造する

Meaning

to create or produce something again, especially a new version of something lost or destroyed

Example

The team recreated the lost dataset from backups.

チームはバックアップから失われたデータセットを再作成しました。

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。

B1 adjective /rʌf/

Rough

ざらざらした; 荒い; 厳しい

Meaning

having an uneven surface; not smooth; harsh

Example

The rough surface of the rock hurt my hands.

岩石のざらざらした表面が私の手を傷つけました。

B2 noun /ˈrɪb.ən/

ribbon

リボン

Meaning

a long, narrow strip of fabric used for tying or decoration

Example

She tied her hair with a red ribbon.

彼女は赤いリボンで髪を結びました。

A2 noun /ˈrɛsɪpi/

recipe

レシピ

Meaning

a set of instructions for preparing a particular dish, including a list of the ingredients required

Example

I found a great recipe for chocolate cake.

チョコレートケーキの素晴らしいレシピを見つけました。

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。

C2 noun /ˌrep.ɑːˈtiː/

Repartee

機知に富んだ返答

Meaning

conversation or speech characterized by quick, witty comments or replies

Example

The dinner party was filled with brilliant repartee between the guests.

ディナーでは、ゲスト間で素晴らしい機知に富んだ返答が交わされていました。

C1 noun /ˌrɛtrɪˈbjuːʃən/

retribution

報復, 罰

Meaning

punishment inflicted as vengeance for a wrong or crime

Example

The villagers demanded retribution for the crime committed.

村人たちは犯された犯罪に対して報復を要求しました。

B1 preposition /rɪˈɡɑrdɪŋ/

regarding

に関して

Meaning

concerning or relating to

Example

The decision regarding the meeting will be made tomorrow.

会議に関する決定は明日行われます。

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 /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。

C2 noun /rɪˈfræk.tər/

refractor

屈折望遠鏡

Meaning

A type of telescope that uses lenses to focus light.

Example

Refractor telescopes use lenses to focus light.

屈折望遠鏡は光を集中させるためにレンズを使用します。

B2 noun /ˈruːmər/

Rumour

噂; ゴシップ; ニュース

Meaning

a currently circulating story or report of uncertain or doubtful truth; gossip

Example

There's a rumour that the company will close next month.

会社が来月閉鎖されるという噂があります。

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。

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.

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。

B1 noun /rɪˈkwɛst/

request

Meaning

a formal or polite demand for something

Example

She made a request for additional time to complete the project.

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。

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。

B2 verb /reɪn/

reign

統治する

Meaning

to rule as a king or queen; to be dominant

Example

The queen reigned for over sixty years.

女王は60年以上統治していました。

C1 noun rɪˈdʌndənsi

redundancy

冗長性、過剰

Meaning

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

Example

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

会社の労働力の冗長性は多くの解雇を引き起こしました。

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。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

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。

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 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 adverb /ˈrɛɡjələrli/

regularly

定期的に

Meaning

at regular intervals; in a regular manner

Example

She exercises regularly to stay healthy.

彼女は健康を保つために定期的に運動します。

B2 noun rɪˈpʌb.lɪk

republic

共和国

Meaning

A state in which supreme power is held by the people and their elected representatives, with an elected or nominated president rather than a monarch.

Example

A republic is governed by representatives of the people.

共和国は人民の代表者によって治められています。

C1 adjective /rɪˈpres.ɪv/

Repressive

抑圧的な

Meaning

restraining freedom or preventing self-expression; oppressive

Example

The repressive government banned all forms of protest.

抑圧的な政府はすべての抗議の形態を禁止しました。

B2 adjective /rɪˈzɪstənt/

resistant

耐性

Meaning

not affected by something; able to oppose or withstand

Example

This fabric is resistant to water and stains.

この布は水と汚れに強いです。

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。

C2 verb /rɪˈpaɪn/

repine

嘆く

Meaning

To feel or express discontent or to long for something.

Example

She did not repine at her misfortune but worked harder to improve her life.

彼女は不幸を嘆かず、より一生懸命に働いて生活を向上させました。

B2 adverb /ˈred.ɪ.li/

Readily

快く; 簡単に; ためらわずに

Meaning

willingly; easily; without hesitation

Example

She readily agreed to help with the project.

彼女は喜んでプロジェクトを手伝うことに同意した。

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。

A1 noun /ruːm/

room

部屋

Meaning

A space within a building enclosed by walls, floor, and ceiling

Example

She decorated her room with bright colors.

彼女は明るい色で自分の部屋を飾りました。

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。

C2 noun /ˈrɛkluːsəri/

reclusory

隠遁場所

Meaning

A place for seclusion or retreat, especially for a recluse or hermit.

Example

The monk spent years in the reclusory away from society.

その僧侶は社会から離れた隠遁場所で数年を過ごしました。

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。

C2 noun /ˈreɪləri/

raillery

友好的な冗談

Meaning

good-humored teasing or joking

Example

Their friendship was full of light-hearted raillery.

彼らの友情は軽い冗談で満ちていました。

C1 verb /rɪˈdrɛs/

redress

是正する

Meaning

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

Example

The company promised to redress the complaints of its customers.

その会社は顧客の苦情を是正すると約束しました。

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。

B2 adjective /ræʃ/

rash

軽率, 無謀

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

調査なしで投資するのは無謀な決断だった。

B1 adjective, noun /ˈroʊmən/

roman

ローマの / 古代ローマの市民

Meaning

relating to Rome or its people; a citizen of ancient Rome

Example

The Roman Empire influenced much of modern civilization.

ローマ帝国は現代文明に多大な影響を与えました。

B2 noun /ˈrɪk.ʃɔː/

Rickshaw

リクシャ

Meaning

a light two-wheeled passenger vehicle drawn by one or more people

Example

We took a rickshaw to reach the busy marketplace.

忙しい市場に到着するためにリクシャを利用しました。

C2 verb /ˈrʌmpəl/

rumple

しわにする

Meaning

to make something untidy or wrinkled by creasing or crumpling

Example

She accidentally rumpled her dress while packing.

彼女は荷物を詰める際にドレスをうっかりしわにした。

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。

B2 noun /ˌriː.ɪnˈfɔːrs.mənt/

reinforcement

強化

Meaning

Strengthening or supporting something, especially behavior or learning.

Example

Positive reinforcement helps in learning.

積極的な強化は学習に役立ちます。

B2 noun /ˈrɒbər/

robber

強盗

Meaning

a person who steals property from others, often using force or threat

Example

The robber was caught after a quick police chase.

素早い警察の追跡の後、強盗は捕まった。

A2 noun /rent/

Rent

幸せ

Meaning

a payment made periodically by a tenant to a landlord for use of property

Example

The monthly rent for this apartment is quite affordable.

彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。

C2 verb /ˈrævəl/

ravel

絡まる / 解く

Meaning

to tangle or complicate; to untangle or unravel depending on context

Example

She began to ravel the loose threads of the sweater.

彼女はセーターのゆるい糸をほどき始めました。

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。

C2 adjective /ˈræfɪʃ/

raffish

型破りで少し評判が悪いが魅力的

Meaning

unconventional and slightly disreputable but attractive

Example

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

彼は街で人気がある理由は、レイフィッシュな魅力があったからだ。

C1 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。

A1 verb /rʌn/

run

走る

Meaning

to move quickly on foot; to operate or function

Example

I run every morning for exercise.

私は毎朝運動のために走ります。

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。

A2 verb /rɪˈplaɪ/

reply

返事する

Meaning

to give an answer; to respond

Example

She replies to emails quickly.

彼女はすぐにメールに返信します。

A2 verb /rɪˈtɜːrn/

return

帰る

Meaning

to come or go back to a place; to give back

Example

I will return home tomorrow.

私は明日家に帰ります。

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。

B2 verb /ˌriːprəˈdjuːs/

reproduce

再生する, 繁殖する

Meaning

To make a copy of something; to generate offspring.

Example

Many animals reproduce rapidly in favorable conditions.

多くの動物は好ましい条件下で急速に繁殖します。

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。

B2 verb /rɪˈkleɪm/

reclaim

Meaning

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

Example

The farmer worked to reclaim the barren land.

C1 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。

B2 adjective /rɪˈspek.tə.bəl/

Respectable

尊敬すべき

Meaning

worthy of respect; having good reputation; decent

Example

He comes from a respectable family in the community.

彼は地域社会の尊敬すべき家族から来ました。

C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

後退

Meaning

a return to a worse or less developed state

Example

The country experienced economic retrogression after the crisis.

国は危機後、経済的な後退を経験しました。

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.

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。

B1 adverb /ˈrʌfli/

Roughly

おおよそ; 粗暴または暴力的な方法で

Meaning

approximately; in a harsh or violent way

Example

The project will take roughly three months to complete.

このプロジェクトはおおよそ3ヶ月かかります。

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 /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 /rɪˈvoʊk/

revoke

取り消す

Meaning

To officially cancel or withdraw a decision, privilege, or right.

Example

The government decided to revoke his passport.

政府は彼のパスポートを取り消すことを決定した。

B2 noun ˈrɛstɪŋ pleɪs

resting place

安息地

Meaning

A place where someone or something rests, especially a burial site.

Example

The resting place of the martyrs is near the river.

殉教者の安息地は川の近くにあります。

B1 noun ˌrekəɡˈnɪʃn

recognition

認識

Meaning

Acknowledgment of the existence, validity, or legality of something; appreciation or acclaim for an achievement, service, or ability.

Example

He earned recognition after years of struggle.

彼は長年の努力の後、認識を得ました。

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。

A2 preposition /riː/

re

について

Meaning

concerning or about (used in formal letters or emails)

Example

The letter was sent re your recent application.

その手紙はあなたの最近の申請について送られました。

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。

A1 noun /raɪs/

Rice

ご飯

Meaning

a cereal grain that is a staple food in many countries

Example

We eat rice with curry for dinner.

私たちは夕食にカレーと一緒にご飯を食べます。

B2 noun /ˈrɛnəˌsɑːns/

renaissance

ルネサンス

Meaning

a revival of art, culture, or learning; a period of renewed interest and growth

Example

The city experienced a cultural renaissance during the 1990s.

その都市は1990年代に文化的なルネサンスを経験しました。

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。

B2 adjective /ˈrɪdən/

ridden

覆われた

Meaning

Full of or dominated by something unpleasant.

Example

The country was ridden with corruption.

その国は腐敗に覆われていた。

C2 adjective /roʊn/

roan

ロアン馬

Meaning

denoting an animal, especially a horse, having a coat of mixed colors, typically reddish-brown and white

Example

The rider mounted a roan horse with a speckled coat.

騎手は斑点のあるコートを持ったロアン馬に乗った。

C2 noun /rɪˈfrɪndʒənsi/

refringency

屈折率

Meaning

The ability of a substance to bend light; refractive power.

Example

Glass has a higher refringency than water.

ガラスは水よりも高いリフリンジェンシーを持っています。

B2 noun /rɪˌlaɪəˈbɪləti/

reliability

信頼性

Meaning

the quality of being trustworthy or performing consistently well

Example

Customers value the reliability of our service.

お客様は私たちのサービスの信頼性を重視しています。

C2 adjective /rɪˈmjuːnərətɪv/

remunerative

利益がある

Meaning

Financially rewarding or profitable.

Example

He chose a remunerative career in medicine.

彼は医学の中で利益のあるキャリアを選びました。

C1 noun rɪˌdʒɛnəˈreɪʃən

regeneration

再生

Meaning

Renewal, growth and development of cells, tissues or energy

Example

Proper rest allows muscle regeneration after exercise.

適切な休息は、運動後の筋肉の再生を促進します。

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.

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。

B1 noun /rɪˈwɔːd/

reward

報酬

Meaning

something given in recognition of service, effort, or achievement

Example

He received a reward for returning the lost wallet.

彼は失くした財布を返したことで報酬を受け取りました。

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。

B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

権限によって作成され、維持される規則または指示

Meaning

A rule or directive made and maintained by an authority.

Example

Government regulation ensures fair business practices.

政府の規制は公平なビジネス慣行を確保します。

B2 adjective /rɪˈflektɪv/

Reflective

反射的; 思慮深い; 光や画像を反射できる

Meaning

thoughtful; contemplative; able to reflect light or images

Example

After the meeting, he was in a reflective mood.

会議の後、彼は反射的な気分だった。

C1 adjective /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。

B2 verb /rɪˈsaɪt/

recite

暗唱する

Meaning

To say aloud something learned, especially poetry or text, from memory.

Example

The child recited a poem in front of the class.

その子はクラスの前で詩を暗唱しました。

C2 noun /rɪˈsɪdɪˌvɪzəm/

recidivism

Meaning

The tendency of a convicted criminal to reoffend or relapse into criminal behavior.

Example

The government introduced new programs to reduce recidivism among former inmates.

C1 verb /rɪˈnaʊns/

renounce

放棄する

Meaning

to formally declare rejection of something, such as a claim, belief, or way of life

Example

She renounced her citizenship to move abroad permanently.

彼女は永住権を得るために市民権を放棄しました。

B2 verb /roʊm/

roam

歩き回る

Meaning

to walk or travel without a specific destination; to wander

Example

Wild animals roam freely in the forest.

野生動物は森の中を自由に歩き回っています。

C2 adjective /ˈreɪ.moʊs/

ramose

分岐した

Meaning

having many branches.

Example

The ramose tree shaded the entire garden.

その分岐した木は庭全体に日陰を提供しました。

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。

A1 adjective /ˈreɪ.di.əʊ/

radio

ラジオ

Meaning

Relating to radio waves or broadcasting.

Example

FAST is the largest radio telescope in the world.

FASTは世界最大のラジオ望遠鏡です。

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。

B1 noun /roʊˈmæns/

Romance

ロマンス

Meaning

a feeling of excitement and mystery associated with love; a love affair or relationship

Example

Their romance began when they met at the university library.

彼らの恋愛は、大学の図書館で出会ったときに始まった。

C2 noun /ræpˈskæliən/

rapscallion

いたずら好きな人

Meaning

A mischievous or cheeky person; a rascal.

Example

The little rapscallion hid his brother’s shoes as a prank.

小さなラプスカリオンは兄の靴をいたずらで隠した。