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。

C2 adjective /rɪˈprɛsəbl̩/

repressible

抑制可能

Meaning

Capable of being restrained or suppressed.

Example

The movement proved to be hardly repressible.

その運動はほとんど抑制可能であることが証明されました。

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。

A2 adjective /ˈrʌʃən/

russian

Meaning

relating to Russia, its people, or its language

Example

She is studying the Russian language at university.

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。

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 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。

C2 noun /ˌræproʊʃˈmɑːn/

rapprochement

関係修復

Meaning

The establishment or resumption of harmonious relations.

Example

The two countries signed an agreement that marked a new rapprochement.

二国は新しい関係修復を示す合意書に署名した。

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。

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。

C1 adjective /ˈreɡ.jʊ.lə.tər.i/

Regulatory

規制

Meaning

Having the power to control or govern something through rules and regulations.

Example

The government enforces regulatory policies for financial stability.

政府は金融安定性のために規制政策を実施しています。

B2 noun /ˈrep.taɪl/

Reptile

爬虫類

Meaning

a cold-blooded animal with scaly skin that lays eggs on land

Example

The lizard is a common reptile found in gardens.

トカゲは庭で見られる一般的な爬虫類です。

B2 verb /rɪˈteɪn/

retain

保持する

Meaning

to keep possession of something

Example

The company decided to retain its experienced employees.

会社は経験豊富な従業員を保持することに決めました。

B2 adjective /rɪˈlʌktənt/

Reluctant

消極的な; ためらう; 何かをすることに抵抗がある;

Meaning

unwilling; hesitant; disinclined to do something;

Example

She was reluctant to share her personal information.

彼女は個人情報を共有することに消極的でした。

C1 noun /ˈrɪɡər/

rigor

厳格さ

Meaning

strictness, severity, or demanding conditions

Example

The training was carried out with great rigor.

訓練は大変厳格に行われました。

B2 verb /rɪˈkruːt/

recruit

採用する

Meaning

to enlist or hire people for a job, service, or membership

Example

The company is trying to recruit more software engineers.

その会社はもっと多くのソフトウェアエンジニアをリクルートしようとしています。

B1 adjective /rɪˈmɑːrkəbl/

Remarkable

注目すべき; 非凡な; 顕著な;

Meaning

worthy of attention; extraordinary; notable;

Example

His recovery from the illness was remarkable.

病気から回復することは注目すべきことでした。

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。

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。

B1 adjective ˈriː.dʒən.əl

regional

地域の

Meaning

Relating to or characteristic of a region.

Example

Regional hubs support localized industries.

地域のハブは地元産業をサポートします。

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 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 noun /rɪˈfɜːrər/

referrer

紹介者

Meaning

a person who directs someone to another person or service

Example

The referrer earned a bonus for recommending a new client.

紹介者は新しい顧客を推薦したことでボーナスを得ました。

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。

B1 noun /roʊp/

rope

ロープ

Meaning

a strong, thick cord made of twisted fibers or strands

Example

The climbers used a rope to scale the mountain.

登山者は山を登るためにロープを使いました。

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 /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 /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

ロボット手術

Meaning

Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.

Example

Robotic surgery enhances precision in complex procedures.

ロボット手術は複雑な手順で精度を高めます。

B2 noun /ˌrɛfəˈriː/

referee

審判

Meaning

a person who oversees a game or match to ensure the rules are followed

Example

The referee stopped the game after a foul.

審判はファウルの後、試合を停止しました。

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 verb rɪˈstɔːr

restore

復元する

Meaning

To bring back to a former or original state; to reinstate.

Example

Restoring the tradition of student politics is necessary.

学生政治の伝統を復元することが必要です。

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。

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。

B1 noun /ˈrezɪdənt/

Resident

住民

Meaning

a person who lives somewhere permanently or on a long-term basis; living in a particular place

Example

She has been a resident of this city for over ten years.

彼女はこの都市の住民で、10年以上住んでいます。

B2 adjective /ˈræʃ.ən.əl/

Rational

合理的な; 論理的な; 理にかなった

Meaning

based on reason and logic; sensible and practical

Example

She made a rational decision based on the available facts.

彼女は利用可能な事実に基づいて合理的な決定を下しました。

C2 noun /raɪm/

rime

霜

Meaning

frost formed on cold surfaces by freezing water vapor

Example

The trees were covered with a white rime after the cold night.

木々は冷たい夜の後、白い霜で覆われていました。

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。

B2 noun /rɪˈfreʃ.mənt/

Refreshment

軽食

Meaning

food and drink that is served as a light meal; something that refreshes

Example

We served light refreshments after the meeting.

会議の後、軽食を提供しました。

A2 verb /ˌrɛkəˈmɛnd/

recommend

勧める

Meaning

to suggest or advise something as being good or suitable

Example

I recommend trying the new restaurant downtown.

私はダウンタウンの新しいレストランを試すことをリコメンドします。

C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

再生する

Meaning

To make or feel young, healthy, or energetic again.

Example

A vacation can rejuvenate the mind and body.

休暇は心と体を再生させることができます。

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。

B2 verb /rɪˈɡeɪn/

regain

回復する

Meaning

to get back something that was lost; to recover

Example

He regains his strength after the illness.

彼は病気の後、力を回復する。

A2 noun /ruːl/

rule

規則

Meaning

an accepted principle or instruction that states what is allowed or what must be done.

Example

There are strict rules about safety in the lab.

実験室には安全に関する厳しい規則があります。

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。

C2 noun /rɪˈdʒɔɪndər/

rejoinder

返答

Meaning

a quick or witty reply; a response to a remark or argument

Example

His sharp rejoinder silenced the crowd.

彼の鋭い返答が群衆を沈黙させた。

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。

C2 noun /ˈræpsədi/

rhapsody

高揚した歌/賛美

Meaning

an expression of great enthusiasm or an epic musical composition

Example

The singer’s performance was a rhapsody of emotions.

歌手のパフォーマンスは感情のラプソディでした。

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 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 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的な

Meaning

able to be turned the other way around; able to be undone or changed back

Example

This jacket is reversible and can be worn on both sides.

このジャケットはリバーシブルで、両面で着られます。

B2 adjective /ˈrɪski/

risky

Meaning

Involving the possibility of danger, harm, or loss

Example

Investing in that startup is risky but could bring high rewards.

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 /ˈruː.mɪ.neɪt/

ruminate

思索する, 反芻する

Meaning

to think deeply about something; to chew cud (for animals)

Example

She sat alone to ruminate on her decision.

彼女は自分の決断について一人で思索していた。

C2 adjective /rɪˈtɪkjʊlət/

reticulate

網状

Meaning

Having a net-like pattern or structure.

Example

The leaf had a reticulate pattern of veins.

葉は網目模様の静脈がありました。

B2 adjective /ˈreɪsɪst/

racist

人種差別主義者

Meaning

showing or feeling discrimination or prejudice against people of other races

Example

He was accused of making racist comments.

彼は人種差別的なコメントをしたとして非難された。

C2 noun /ˌræʃioʊsɪˈneɪʃən/

ratiocination

推論

Meaning

the process of reasoning or logical thinking

Example

His ratiocination impressed the judges during the debate.

彼の推論は討論中に審査員を感動させた。

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。

A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

責任がある; 任務を持っている; 信頼できる

Meaning

accountable; having duties; reliable and trustworthy

Example

Parents are responsible for their children's education and well-being.

親は子供たちの教育と福祉に責任があります。

C2 adjective /rəˈpeɪ.ʃəs/

rapacious

貪欲

Meaning

having an extreme desire to take things for oneself, greedy

Example

The rapacious landlord raised the rent without reason.

貪欲な家主は理由もなく家賃を上げた。

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。

C1 verb /rɪˈbjuːk/

rebuke

叱る

Meaning

to criticize or scold sharply; to express disapproval

Example

The teacher had to rebuke the student for cheating.

先生は cheating のため学生を叱らなければならなかった。

C1 adjective /ˈroʊtəri/

rotary

回転式

Meaning

Relating to or characterized by rotation; revolving around an axis.

Example

The machine uses a rotary engine to function efficiently.

その機械は効率的に動作するためにロータリーエンジンを使用しています。

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。

B2 noun/verb /rɪˈmɑːrk/

remark

発言

Meaning

something that is said; a comment

Example

She made a remark about the weather.

彼女は天気について発言した。

B2 noun ˌriːfɔːˈreɪʃən

reforestation

再植林

Meaning

The natural or intentional restocking of existing forests and woodlands that have been depleted.

Example

Reforestation efforts are crucial to restoring ecosystems.

再植林の努力は、生態系の回復に重要です。

B2 noun rɪˈtɛnʃən

retention

保持

Meaning

The continued possession, use, or control of something

Example

The retention of information is essential for academic success.

情報の保持は学問的成功のために重要です。

B1 verb rɪˈdjuːst

reduced

減らす

Meaning

Make smaller or less in amount, degree, or size.

Example

Singapore has reduced plastic usage significantly.

シンガポールはプラスチックの使用を大幅に減らしました。

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.

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。

B2 adjective /ˈrɪɡ.ər.əs/

rigorous

厳格な

Meaning

Extremely thorough and demanding in analysis or practice.

Example

A rigorous study plan helps students achieve better results.

厳格な学習計画は、学生がより良い結果を得るのに役立ちます。

B2 verb /ˌriːˈbɪld/

rebuild

再建する

Meaning

to build something again after it has been damaged or destroyed

Example

The villagers worked together to rebuild the bridge after the flood.

村人たちは洪水の後、橋を再建するために協力しました。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

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 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.

A2 verb /rɪˈsiːv/

receive

受け取る

Meaning

to get or accept something given; to welcome

Example

She receives a gift from her friend.

彼女は友達から贈り物を受け取ります。

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 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。

C2 noun /rɪˈpæst/

repast

食事

Meaning

A meal or the food eaten during a meal.

Example

They enjoyed a delicious repast by the riverside.

彼らは川辺で美味しい食事を楽しんだ。

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。

B2 verb /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

B2 verb /rɪˈvɜːrt/

revert

戻る

Meaning

to return to a previous state, condition, or practice

Example

The system will revert to its original settings after the update.

システムは更新後、元の設定に戻ります。

A2 adverb /ˈrɛə(r)li/

rarely

めったに

Meaning

not often, infrequently

Example

She rarely eats sweets because of her diet.

彼女はダイエットのため、お菓子をめったに食べません。

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。

B2 noun /ˌrɛprɪzɛnˈteɪʃən/

representation

代表

Meaning

the action of speaking or acting on behalf of someone or something

Example

Her representation of the team was impeccable.

彼女のチームの代表は完璧でした。

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 noun/verb /ˈræfəl/

raffle

抽選券の販売

Meaning

A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.

Example

The charity decided to raffle a bicycle to raise funds.

チャリティーは資金調達のために自転車を抽選で販売することに決めました。

C1 noun 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。

A2 noun /ˈrɛkɔːd/

record

記録

Meaning

a written or spoken account of something

Example

I kept a record of all the meetings.

私はすべての会議の記録を保持していました。

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.

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。

C1 noun /ˌrɛmɪˈnɪsəns/

reminiscence

回想

Meaning

a story or memory about past events

Example

He shared a reminiscence of his childhood days in the village.

彼は村での子供時代の思い出を語った。

C1 verb /rɪˈdʒɛnəreɪt/

regenerate

再生する

Meaning

to grow or produce again; to renew or restore

Example

The lizard can regenerate its lost tail.

トカゲは失われた尾を再生できます。

C1 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

騒々しい

Meaning

boisterous, energetic, and difficult to control.

Example

The rambunctious children filled the house with noise.

騒々しい子供たちが家を騒音で満たしました。

C1 verb /riːl/

reel

つまずく / 巻き取る

Meaning

to lose balance and stagger; to wind or spin something onto a reel

Example

He reeled backward after being punched.

彼は殴られた後、後ろに転んだ。

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。

C2 noun /ˈriːbəs/

rebus

なぞなぞ

Meaning

a puzzle in which words are represented by pictures, symbols, or letters

Example

The children enjoyed solving the rebus puzzles in the magazine.

子供たちは雑誌のなぞなぞを解くのを楽しみました。

B1 verb /rɪˈleɪt/

relate

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。

C1 verb /riˈɪtəreɪt/

reiterate

繰り返す

Meaning

To say something again or repeatedly for emphasis or clarity.

Example

The teacher reiterated the importance of honesty.

教師は正直さの重要性を繰り返し述べました。

C1 adjective /ˈræmʃækəl/

ramshackle

ぼろぼろ

Meaning

poorly built or maintained; in a state of disrepair

Example

They lived in a ramshackle old house on the edge of town.

彼らは町の端にあるぼろぼろな古い家に住んでいました。

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。

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 /ˈriːpər/

reaper

作物を刈り取り集める人または機械

Meaning

a person or machine that cuts and gathers crops

Example

The reaper moved slowly through the golden fields.

リーパーは金色の畑をゆっくりと進んでいきました。

C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

思い出させる

Meaning

Tending to remind one of something; suggestive of something in the past.

Example

The smell of rain is reminiscent of my childhood in the village.

雨の匂いは私の村での子供時代を思い出させる。

C1 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。

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。

A2 noun /rɒk/

rock

岩石

Meaning

a large, solid piece of mineral matter

Example

The mountain was made of solid rock.

その山は固い岩石でできていました。

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。

C2 adjective /ˈrɛkənˌdaɪt/ or /ˈrɛkəndaɪt/

recondite

ほとんど知られていない、または理解しにくい

Meaning

Little known or difficult to understand.

Example

The professor’s lecture was full of recondite theories.

教授の講義は難解な理論で満ちていた。

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 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。

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。

C1 noun /rɪˈpɑːzɪtɔːri/

repository

リポジトリ

Meaning

a place where things are stored or kept for safekeeping

Example

The library serves as a repository of knowledge.

図書館は知識のリポジトリとして機能します。

B1 adverb /ˈruːdli/

Rudely

失礼に

Meaning

in an impolite or discourteous manner

Example

He rudely interrupted the speaker during the presentation.

彼はプレゼン中に話者を失礼に遮った。

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。

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 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 adjective /rɪˈtɜː.nə.bəl/

Returnable

返品可能

Meaning

able to be returned or given back

Example

The bottle is returnable for a deposit refund.

ボトルはデポジット返金のために返品可能です。

B1 noun rɪˈsɜː.tʃəz

researchers

研究者

Meaning

People who study and investigate to discover new information or facts.

Example

Researchers are working on innovative solutions.

研究者たちは革新的な解決策に取り組んでいます。

C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

評判の良い; 有名な

Meaning

generally said or believed to be; having a particular reputation

Example

He is reputed to be one of the best doctors in the country.

彼はその国で最高の医者の一人と見なされています。

C1 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。