B1 noun /rɪˈfjuːz/

Refuse

ゴミ; 拒否

Meaning

waste material; garbage; to decline or reject something

Example

Please put the refuse in the designated bins.

指定されたゴミ箱にゴミを入れてください。

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。

C2 verb /rɛtʃ/

retch

幸せ

Meaning

to make the sound and movement of vomiting without bringing anything up

Example

The smell of spoiled food made him retch violently.

賞を受け取った時、彼女は喜びを隠すことができませんでした。

C1 noun /ræmˈbuːtən/

Rambutan

ランブータン

Meaning

a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi

Example

The rambutan looks scary with its hairy skin but tastes very sweet inside.

ランブータンは毛皮のような皮で怖そうに見えますが、中はとても甘いです。

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。

B2 verb /ˈrendər/

render

提供する

Meaning

to provide or give; to make or cause to become

Example

The artist renders the scene beautifully.

アーティストはシーンを美しく表現します。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

running

ランニング

Meaning

the action or sport of running

Example

Running every morning keeps me healthy.

毎朝ランニングをすると健康が保たれます。

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。

B2 verb /rɪˈstrɪkt/

restrict

制限する

Meaning

To limit the size, amount, or range of something.

Example

The government decided to restrict the use of plastic bags.

政府はプラスチック袋の使用を制限することを決定しました。

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。

B1 noun /ˈreɪn.dɪər/

Reindeer

トナカイ

Meaning

a large deer with branched horns that lives in cold northern areas

Example

Santa's reindeer pulled his sleigh across the sky.

サンタのトナカイは空を越えてソリを引きました。

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。

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。

B1 verb /rɪˈlaɪ/

rely

頼る

Meaning

to depend on or trust someone or something

Example

I rely on my friends for support.

私は支援のために友達に頼ります。

C1 noun /rɪˈmɪt.əns/

Remittance

送金

Meaning

A sum of money sent in payment or as a gift.

Example

The country's economy benefits from expatriate remittance.

その国の経済は、移住者からの送金によって利益を得ている。

C1 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。

B2 adjective /ˈruː.mi/

Roomy

広々とした; 広いスペースのある

Meaning

spacious; having a lot of room

Example

The apartment is very roomy with spacious bedrooms.

アパートメントは広々としており、広いベッドルームがあります。

B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

規制

Meaning

Rules or directives made and maintained by an authority.

Example

Strict regulations ensure fair practices.

厳格な規制は公正な慣行を確保します。

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 verb /riːˈpeɪ.tri.eɪt/

repatriate

帰還させる

Meaning

To return someone to their own country, often after war or imprisonment.

Example

The government worked to repatriate the refugees safely.

政府は難民を安全に帰国させるために尽力しました。

C2 adjective /raɪˈpɛə.ri.ən/

riparian

河川や他の水路の岸辺に関連する

Meaning

Relating to or situated on the banks of a river or other watercourse.

Example

Riparian vegetation helps prevent soil erosion along rivers.

河川沿いの植生は、河川沿いの土壌浸食を防ぐのに役立ちます。

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。

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 verb /rɪˈdʒɔɪs/

rejoice

喜ぶ

Meaning

to feel or show great joy; to celebrate

Example

The family rejoices at the good news.

その家族は良いニュースに喜んでいます。

B2 noun /ˈroʊstɪd miːt/

Roasted meat

ロースト肉

Meaning

meat cooked by dry heat in an oven or over fire

Example

The roasted meat was perfectly seasoned and tender.

ロースト肉は完璧に調味され、柔らかかった。

B2 verb /riːp/

reap

収穫する

Meaning

to cut or gather a crop; to receive as a consequence of actions

Example

Farmers reap wheat in the late summer.

農家は晩夏に小麦を収穫します。

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。

B1 adjective /ˌriːəˈlɪstɪk/

realistic

現実的

Meaning

having or showing a sensible and practical idea of what can be achieved or expected

Example

She gave a realistic estimate of the project's cost.

彼女はプロジェクトのコストの現実的な見積もりを出した。

C1 verb /rɪˈtælieɪt/

retaliate

報復する

Meaning

to make an attack in return for a similar attack

Example

The army retaliated after the enemy attack.

軍隊は敵の攻撃の後、報復した。

B1 verb /rɪˈper/

repair

修理する

Meaning

to fix something that is broken or damaged

Example

The mechanic will repair the car's engine tomorrow.

メカニックは明日車のエンジンを修理します。

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。

B2 noun /ˈreb.əl/

Rebel

反逆者

Meaning

a person who resists authority or control

Example

The young rebel refused to follow the school rules.

その若い反逆者は学校の規則に従うことを拒否した。

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 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。

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 /rɪˈhɜːr.səl/

Rehearsal

リハーサル; 公演の練習

Meaning

a practice performance of a play, concert, or other work for later public performance

Example

The final rehearsal before opening night went perfectly.

開幕前の最後のリハーサルは完璧でした。

B2 adverb /ˈraɪtli/

Rightly

正しく; 適切に; 公正に

Meaning

correctly; properly; justly

Example

She rightly pointed out the mistakes in the report.

彼女は報告書の誤りを正しく指摘した。

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。

B2 noun, verb /ˈriːteɪl/

retail

小売

Meaning

the sale of goods to the public in small quantities for use or consumption rather than for resale

Example

The company specializes in the retail of clothing and accessories.

この会社は衣類とアクセサリーの小売を専門としています。

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 noun /rʌsk/

Rusk

乾燥ビスケット; トーストパン

Meaning

a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit

Example

The baby enjoyed eating the soft rusk with milk.

赤ちゃんはミルクと一緒に柔らかいラスクを食べるのが好きでした。

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。

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。

A2 verb /rɪˈdjuːs/

reduce

減らす

Meaning

to make smaller in size, amount, or degree; to decrease

Example

We need to reduce our expenses this month.

今月は支出を減らす必要があります。

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。

C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性

Meaning

Capable of refracting light or other waves.

Example

The refringent properties of the crystal bent the light into a spectrum.

結晶の屈折性の特性は光をスペクトルに曲げました。

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。

C2 adjective /rɪˈmɪs/

remiss

怠慢

Meaning

Negligent in performing a duty or responsibility.

Example

The manager was remiss in not checking the financial reports carefully.

マネージャーは財務報告書を慎重に確認しなかったことで怠慢だった。

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 noun rɪsk ˈfæktər

risk factor

リスク要因

Meaning

Something that increases the likelihood of developing a disease or condition

Example

Water pollution is a significant risk factor for health.

水質汚染は健康にとって重要なリスク要因です。

B1 noun rɪˈflɛkʃən

reflection

反射

Meaning

Serious thought or consideration about something.

Example

The reflection of the past filled his heart with sadness.

過去の反射が彼の心を悲しみに満たしました。

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。

A2 verb /rɪˈlæks/

relax

リラックスする

Meaning

to make or become less tense or anxious; to rest

Example

After a long day, she likes to relax with a good book.

長い一日の後で、彼女は良い本を持ってリラックスするのが好きです。

B2 noun /ˈrest.ləs.nəs/

Restlessness

不安

Meaning

the inability to rest or relax as a result of anxiety or boredom

Example

His restlessness during the long meeting was obvious to everyone.

長い会議中、彼の不安は全員に明らかだった。

B1 noun /ruːˈtiːn/

routine

ルーチン, 習慣, 固定された順序

Meaning

A sequence of actions regularly followed; a fixed program.

Example

A well-structured routine improves productivity.

よく構造化されたルーチンは生産性を向上させます。

C2 adjective /rɪˈfɛrəbəl/

referable

参照可能な

Meaning

able to be related or directed to something

Example

The issue is referable to the new policy changes.

その問題は新しい政策変更に関連付けることができます。

C2 noun /ˌrækənˈtɜːr/

Raconteur

幸せ

Meaning

a person who tells anecdotes in a skillful and amusing way

Example

The old man was a gifted raconteur who entertained everyone with his stories.

彼女は賞を受け取ったとき、喜びを隠せなかった。

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.

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。

B2 adjective /raɪp/

Ripe

熟した; 食べる準備ができた

Meaning

fully developed and ready to eat; mature; ready for action or use

Example

The bananas are ripe and ready to eat.

バナナは熟して食べる準備ができています。

B2 verb /rɪˈfreɪn/

refrain

控える

Meaning

To hold oneself back from doing something.

Example

Please refrain from smoking in this area.

このエリアでの喫煙はご遠慮ください。

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。

C2 noun /rɪˈkɒɡnɪzəns/

recognizance

法的義務

Meaning

A legal obligation or bond entered into before a court, especially to ensure future appearance.

Example

He was released on his own recognizance.

彼は自分の法的義務で釈放されました。

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/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。

A1 noun ˈræbɪt

rabbit

ウサギ

Meaning

A small mammal with long ears, long hind legs, and a short tail

Example

The rabbit ran quickly into the forest.

ウサギは森の中を速く走った。

C2 noun /ˈræbəl/

Rabble

群衆

Meaning

a disorderly crowd; the common people regarded as socially inferior

Example

The politician dismissed the protesters as mere rabble.

政治家は抗議者を単なる群衆として退けた。

C2 noun /roʊˈtʌn.də/

rotunda

円形の建物

Meaning

a large circular building or hall, often with a dome

Example

Tourists gathered inside the grand rotunda of the capitol.

観光客は議会堂の壮大なロタンダの中に集まりました。

B2 noun /rɪˈfjuː.zəl/

Refusal

拒否; 拒絶

Meaning

the act of saying no to something or not accepting something

Example

His refusal to cooperate made the project more difficult.

彼の協力拒否はプロジェクトをさらに難しくした。

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 /ˌrɛfəˈrɛndəm/

referendum

国民投票

Meaning

a general vote by the population on a single political issue

Example

The government held a referendum on the new constitution.

政府は新しい憲法について国民投票を実施しました。

B2 noun /roʊst/

Roast

ロースト肉

Meaning

Meat cooked by dry heat in an oven or over an open fire

Example

The Sunday roast was perfectly cooked and very tender.

日曜日のローストは完璧に調理され、とても柔らかかった。

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。

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.

C2 noun /rɪˈpoʊst/

riposte

鋭い返答

Meaning

a quick and clever reply to criticism or an insult

Example

Her sharp riposte left everyone in silence.

彼女の鋭い返答は皆を黙らせた。

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.

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。

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 /ˈrɪdəns/

riddance

解放

Meaning

The action of getting rid of something unwanted or unpleasant.

Example

His departure was considered a welcome riddance by the team.

彼の退職はチームにとって歓迎すべき解放と見なされた。

C1 verb /raɪl/

rile

Meaning

to irritate or annoy someone

Example

His careless comments really riled her.

A2 verb riˈsaɪklɪŋ

recycling

リサイクリング

Meaning

The process of converting waste materials into new materials and objects to prevent waste.

Example

Recycling plastic helps in reducing waste.

プラスチックのリサイクリングは、廃棄物の削減に役立ちます。

C1 noun /rɪˈpreʃən/

Repression

抑圧

Meaning

the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.

Example

The government's repression of free speech sparked widespread protests.

政府の表現の自由に対する抑圧は、広範な抗議を引き起こした。

C1 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。

B2 noun rɪˈzɪl.i.əns

resilience

レジリエンス

Meaning

The ability to recover quickly from difficulties; toughness.

Example

Testing the resilience of wood is crucial.

木材のレジリエンスをテストすることは非常に重要です。

B1 noun /ˈreɪn.boʊ/

Rainbow

虹

Meaning

an arch of colors formed in the sky by sunlight shining through rain

Example

After the storm, a beautiful rainbow appeared in the sky.

嵐の後、空に美しい虹が現れました。

C1 verb /ˈræʃənaɪz/

rationlize

合理化する

Meaning

to justify or explain something with logical reasons, even if not appropriate or true

Example

He tried to rationlize his mistake by blaming the system.

彼はシステムを責めて自分のミスを合理化しようとした。

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。

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。

B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

評判, 名声

Meaning

The opinion generally held about someone or something; fame or prestige.

Example

A good reputation is essential for business success.

良い評判はビジネスの成功に不可欠です。

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。

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。

B2 adjective /rɪˈstrɪk.tɪd/

Restricted

制限された; 制御された; 制限付き

Meaning

limited or controlled; subject to restrictions

Example

Access to this area is restricted to authorized personnel only.

このエリアへのアクセスは、認可されたスタッフのみが制限されています。

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 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。

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。

B2 noun /ræntʃ/

ranch

牧場

Meaning

a large farm where animals such as cattle or sheep are raised

Example

They own a huge cattle ranch in Texas.

彼らはテキサスで巨大な牧場を所有しています。

C2 noun /ˈrɛdʒɪsaɪd/

regicide

王殺し

Meaning

the act of killing a king

Example

The conspirators were executed for committing regicide.

陰謀者たちは王殺しを犯したため、処刑されました。

B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党員

Meaning

a member or supporter of a republican political party or system

Example

The republican candidate won the election.

リパブリカン候補者は選挙に勝利しました。

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 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。

C1 verb rɪˈplɛn.ɪʃ

replenish

補充する

Meaning

Fill something up again.

Example

Drinking water helps replenish lost fluids in the body.

水を飲むことは、体内で失われた液体を補充するのに役立ちます。

B2 noun /rɪˈmeɪnz/

remains

遺物

Meaning

the parts, pieces, or substances that are left after the rest has been used or removed

Example

The remains of the meal were left on the table.

食事の残り物はテーブルに残されていた。

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。

B2 noun ˌrev.əˈluː.ʃənz

revolutions

革命

Meaning

Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.

Example

Revolutions often lead to significant societal changes.

革命はしばしば社会的な変革をもたらす。

C1 adjective /ˈriː.fleks/

Reflex

反射

Meaning

an action performed without conscious thought; relating to reflection

Example

The doctor tested her reflex response by tapping her knee.

医師は彼女の膝を軽く叩いて反射的な反応をテストしました。

C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

反証可能

Meaning

capable of being proven wrong or false; able to be disproved

Example

His theory was refutable because it could be tested experimentally.

彼の理論は実験的にテストできるので反証可能でした。

B1 noun /ˈrɪðəm/

rhythm

リズム

Meaning

a strong, regular, repeated pattern of movement or sound

Example

The rhythm of the music made everyone want to dance.

音楽のリズムはみんなを踊りたくさせた。

C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

恐ろしい/尊敬すべき

Meaning

formidable, especially as an opponent; inspiring fear or respect

Example

She was a redoubtable leader who commanded respect from all.

彼女は全員から尊敬を集める恐ろしいリーダーだった。

C1 noun /rɪˈpɛərə/

repairer

修理人

Meaning

a person whose job is to fix damaged or broken things

Example

The repairer fixed the broken washing machine quickly.

修理人は壊れた洗濯機をすぐに直した。

C1 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。

C2 noun /rɪˈkwaɪtəl/

requital

報復

Meaning

The act of returning something, such as a favor, service, or punishment; repayment or retaliation.

Example

She offered her time in requital for his kindness.

彼女は彼の親切に報復として自分の時間を提供しました。

B2 verb /rɪˈzaɪd/

reside

住む

Meaning

to live or dwell in a particular place

Example

They reside in a large house near the river.

彼らは川の近くの大きな家に住んでいます。

B2 noun/verb /ræft/

raft

筏

Meaning

A flat structure made of logs or planks tied together, used as a boat or floating platform; to travel or transport on such a structure.

Example

They built a raft to cross the river.

彼らは川を渡るために筏を作った。

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。

B2 noun /ˈrɪdəl/

Riddle

謎

Meaning

a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle

Example

The ancient riddle stumped all the scholars for years.

その古代の謎は何年もの間、すべての学者を困らせました。

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 /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 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。

C2 adjective /ˈrævənɪŋ/

ravening

非常に空腹で貪欲

Meaning

Extremely hungry and greedy; voracious.

Example

The ravening wolves circled the camp.

空腹の狼たちはキャンプを囲んだ。

B1 noun rɪˌspɒnsəˈbɪlɪti

responsibility

責任

Meaning

The state or fact of having a duty to deal with something or of having control over someone.

Example

Taking responsibility for one's actions is a sign of maturity.

自分の行動に責任を持つことは、成熟の証です。