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。

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。

C1 noun /ˈrɒndɪvuː/

rendezvous

会合

Meaning

a meeting or appointment at an agreed time and place

Example

They arranged a secret rendezvous at the café.

彼らはカフェで秘密の会合を手配しました。

B2 noun /ˈrɛlɪvəns/

relevance

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。

A2 verb /riːˈsaɪ.kəl/

recycle

リサイクル

Meaning

to process used materials so they can be used again instead of being thrown away

Example

We should recycle paper and plastic to reduce waste.

私たちは廃棄物を減らすために紙とプラスチックをリサイクルするべきです。

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。

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。

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。

C1 adjective /ˈræmpənt/

rampant

蔓延する

Meaning

existing or spreading unchecked, often in an undesirable way

Example

Corruption was rampant in the city administration.

腐敗は市の行政で蔓延していた。

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。

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 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。

B1 noun /ˈrʌbɪʃ/

Rubbish

ゴミ; 無駄な物; ナンセンス

Meaning

waste material; refuse or litter; nonsense or worthless things

Example

Please throw the rubbish in the bin.

ゴミをゴミ箱に捨ててください。

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。

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 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。

B2 noun /ˈreɪ.zən/

Raisin

レーズン

Meaning

dried grape

Example

She added raisins to the oatmeal cookies for extra sweetness.

彼女はオートミールクッキーに甘さを加えるためにレーズンを加えました。

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。

B2 adjective /rɪˈspɒn.sɪv/

Responsive

反応が早い

Meaning

reacting quickly and positively; readily reacting to suggestions or changes

Example

The website is very responsive and loads quickly on all devices.

そのウェブサイトは非常にレスポンシブで、すべてのデバイスで迅速に読み込まれます。

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 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。

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 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。

B1 noun /rɪsk/

Risk

リスク

Meaning

a situation involving exposure to danger; the possibility of something bad happening

Example

Taking this investment carries a high risk of losing money.

この投資には高いリスクが伴い、資金を失う可能性があります。

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 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 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 verb /rɪˈzuːm/

resume

再開する

Meaning

to start again after a pause or interruption

Example

We will resume the meeting after lunch.

ランチの後に会議を再開します。

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.

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。

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 noun /'ræd.ɪʃ/

Radish

ラディッシュ

Meaning

a small pungent edible root vegetable with white or red skin

Example

The farmer harvested fresh radishes from the garden.

農家は庭から新鮮なラディッシュを収穫しました。

C1 noun ˌriː.pɚˈkʌʃ.ənz

repercussions

影響

Meaning

The unintended consequences or effects of an action or event.

Example

The new policy had unintended repercussions on the economy.

新しい政策は経済に予期しない影響を与えました。

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 adjective /ˈruːfəl/

rueful

後悔した

Meaning

Expressing sorrow, regret, or pity.

Example

He gave a rueful smile after losing the match.

試合に負けた後、彼は後悔の笑顔を見せた。

B2 noun /ræk/

Rack

ラック

Meaning

a framework or structure for holding or storing things

Example

She hung her coat on the rack by the door.

彼女はドアの横のラックにコートを掛けた。

A2 adjective /ˈreɡ.jə.lər/

Regular

定期的な

Meaning

happening at fixed intervals; consistent; normal; frequent

Example

She goes for regular exercise every morning at 6 AM.

彼女は毎朝6時に定期的な運動をします。

C1 verb /ˈrɛlɪɡeɪt/

relegate

降格する

Meaning

to assign to a lower rank, position, or category

Example

The manager decided to relegate the player to the bench.

マネージャーは選手をベンチにレリゲートすることを決定しました。

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。

C1 adjective /rɪˈflek.sɪv/

Reflexive

反射的; 内省的

Meaning

directed back on itself; showing deep thought about oneself

Example

She became more reflexive about her behavior after the feedback.

フィードバックの後、彼女は自分の行動についてもっと反省的になりました。

C1 verb /rɪˈpiːl/

repeal

Meaning

To officially cancel or revoke a law or decision.

Example

The government decided to repeal the outdated law.

B2 noun /rɪˈmeɪn.dər/

Remainder

残り; 余り

Meaning

the part that is left over; what remains after the other parts have been taken away

Example

The remainder of the food was stored in the refrigerator.

残りの食べ物は冷蔵庫に保存されました。

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。

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。

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 verb /rɪˈsʌsɪteɪt/

resuscitate

Meaning

to revive someone from unconsciousness or apparent death

Example

The doctors tried to resuscitate the patient after the heart attack.

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.

B1 noun /ruːt/

route

Meaning

a way or course taken to get from one place to another

Example

The best route to the airport is through the highway.

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。

C2 noun /rɪˈmɒnstrəns/

remonstrance

抗議

Meaning

A forceful protest or objection.

Example

The workers’ remonstrance against unfair treatment was ignored.

労働者たちの不公平な扱いに対する抗議は無視された。

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。

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。

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 noun /reɪt/

rate

レート

Meaning

the cost or price of something, or the amount at which something happens

Example

The rate of inflation is increasing every year.

インフレ率は毎年増加しています。

A2 noun /ruːf/

roof

屋根

Meaning

the top covering of a building or vehicle

Example

The roof of the house needs to be repaired.

家の屋根は修理が必要です。

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。

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 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。

B1 adjective /ˈrel.ə.tɪv/

Relative

相対的

Meaning

considered in comparison to something else; not absolute; comparative

Example

The cost of living is relative to your income level.

生活費はあなたの収入レベルに対して相対的です。

C1 noun /ˈræp.tʃər/

rapture

狂喜, 恍惚

Meaning

A feeling of intense joy, delight, or ecstasy.

Example

She listened to the music in rapture.

彼女は音楽に没頭して、狂喜していました。

C1 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。

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 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 noun /ˈrerəti/

Rarity

珍しい状態; 普通でないもの、または希少なもの

Meaning

the state of being rare; something that is uncommon or scarce

Example

The antique vase was a rarity worth thousands of dollars.

その古代の花瓶は、数千ドルの価値がある珍しいものだった。

B1 noun roʊps

ropes

ロープ

Meaning

A length of thick strong cord made by twisting together strands of hemp, sisal, nylon, or similar material.

Example

The ropes were tied securely to lift the heavy load.

ロープは重い荷物を持ち上げるためにしっかりと結ばれていました。

B2 verb /rɪˈkɔːl/

recall

思い出す

Meaning

to bring (a memory, fact, or situation) back into one's mind

Example

I can't recall the last time we met.

最後に会った時のことを思い出せません。

B1 noun /reɪ/

ray

光線

Meaning

a narrow beam of light, heat, or radiation

Example

A ray of sunlight broke through the clouds.

太陽の光線が雲を突き抜けた。

C2 noun /ruːθ/

ruth

同情

Meaning

A feeling of pity, compassion, or sorrow.

Example

He felt no ruth for the people he had betrayed.

彼は裏切った人々に対して一切の同情を感じなかった。

C1 verb /rɪˈnɛɡ/

renege

約束を破る

Meaning

to go back on a promise, agreement, or commitment

Example

The company reneged on its promise to increase wages.

その会社は賃金を引き上げるという約束を破りました。

B2 adjective /rɪˈnjuː.ə.bəl/

renewable

再生可能

Meaning

Able to be renewed or replaced naturally; not depleted when used.

Example

Renewable resources minimize environmental damage.

再生可能な資源は環境へのダメージを最小限に抑えます。

B2 verb /rɪˈtriːt/

retreat

撤退する

Meaning

to move back or withdraw from a position or situation

Example

The soldiers had to retreat after losing the battle.

兵士たちは戦いに負けた後、撤退しなければならなかった。

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 verb /rɪˈdiːm/

redeem

償う

Meaning

to compensate for faults or mistakes; to exchange something for value

Example

He managed to redeem his reputation after the scandal.

彼はスキャンダル後に自分の評判を回復しました。

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。

C2 noun /ˈræŋ.kər/

rancor

憎しみ

Meaning

A feeling of deep and bitter anger or resentment.

Example

There was a rancor between the two rivals that never faded.

二人のライバルの間には、決して消えることのない憎しみがあった。

C1 noun /rɪdʒ/

ridge

山の稜線または頂上

Meaning

a long, narrow hilltop, mountain range, or raised strip

Example

We walked along the mountain ridge.

私たちは山脈の稜線に沿って歩きました。

A2 noun /reɪs/

race

レース

Meaning

a competition of speed, or a group of people with similar characteristics

Example

The race was very exciting, with many competitors.

レースは非常にエキサイティングで、たくさんの競技者がいました。

C1 adjective /ˈraɪtfəl/

rightful

正当な

Meaning

having a legitimate or just claim; proper or lawful

Example

She is the rightful owner of the property.

彼女はその財産の正当な所有者です。

C1 noun ˈrez.ɪ.djuːz

residues

残留物

Meaning

A small amount of something that remains after the main part has gone or been taken or used.

Example

The burning process leaves no harmful residues.

燃焼プロセスでは有害な残留物は残りません。

C1 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。

C2 adjective /rɪˈkʌmbənt/

recumbent

横たわる

Meaning

lying down or in a resting position

Example

He was found recumbent on the sofa after a long day.

彼は長い一日の後、ソファで横になっているのが見つかりました。

B2 noun /ˈreɪ.dɑːr/

Radar

レーダー

Meaning

a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves

Example

The radar detected an unknown aircraft approaching the base.

レーダーは基地に接近する未知の航空機を検出しました。

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 /ˈreɪ.biːz/

rabies

狂犬病

Meaning

A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.

Example

The dog was vaccinated against rabies.

犬は狂犬病のワクチンを接種しました。

C1 verb /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。

C2 noun /ruːˈeɪ/

roue

感覚的な楽しみを追い求める男

Meaning

A man devoted to a life of sensual pleasure; a debauched man.

Example

The old roue squandered his fortune on gambling and women.

年老いたルーエはギャンブルと女性に財産を浪費した。

C1 verb /raɪl/

rile

Meaning

to irritate or annoy someone

Example

His careless comments really riled her.

B2 verb /rɪˈvoʊlt/

revolt

反乱する

Meaning

to rebel against authority; to feel disgust

Example

The people revolted against the corrupt government.

人々は腐敗した政府に反乱を起こしました。

B2 verb /ˌriːjuˈnaɪt/

reunite

再会する

Meaning

to bring together again after separation

Example

The family was reunited after many years.

その家族は何年も後に再会しました。

B1 verb /rɪˈdʒekt/

reject

拒否する

Meaning

to refuse to accept or consider something

Example

The committee decided to reject the proposal.

委員会は提案を拒否することに決めました。

C1 adjective /ˈreɪ.si/

racy

刺激的

Meaning

Lively, entertaining, or slightly shocking (especially in a sexual way).

Example

The novel was full of racy dialogues.

その小説は刺激的な対話で満ちていた。

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。

A2 noun /ˈreɪl.weɪ/

Railway

鉄道

Meaning

a track made of steel rails along which trains run; a system of tracks with trains, stations, and other facilities

Example

The railway connects major cities across the country.

鉄道は国内の主要な都市を結んでいます。

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 /ˈruːstər/

rooster

雄鶏

Meaning

A male domestic chicken, especially one that crows.

Example

The rooster crowed at dawn, waking up the whole village.

雄鶏は夜明けに鳴き、村全体を起こした。

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。

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 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。

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。

C2 noun /rɪˈsɪʒən/

rescission

契約解除

Meaning

the cancellation or annulment of a law, contract, or agreement

Example

The rescission of the contract left both parties disappointed.

契約の解除により、双方は失望しました。

B2 noun ˌrɛstəˈreɪʃən

restoration

修復

Meaning

The process of returning something to its former condition.

Example

The restoration of the forest began after decades of neglect.

森林の修復は数十年の放置後に始まりました。

C1 verb /rɪˈmɪt/

remit

送金する / 免除する

Meaning

To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.

Example

He promised to remit the payment by the end of the week.

彼は週の終わりまでに支払いを送金すると約束しました。

C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

Meaning

A formal expression of disapproval; to scold or criticize someone officially.

Example

The teacher reprimanded the student for being late.

C1 verb /riːˈkæptʃər/

recapture

再び奪回する

Meaning

To take back or regain possession of something.

Example

The army managed to recapture the lost territory.

軍隊は失われた領土を再び奪回することに成功しました。

B1 adjective /rɪˈmeɪnɪŋ/

remaining

残り

Meaning

still existing or left after others are gone or dealt with

Example

There were only a few remaining tickets for the concert.

コンサートのチケットは残りわずかでした。

A2 verb /reɪz/

raise

上げる / 増加させる

Meaning

To lift or move something to a higher position; to increase; to bring up.

Example

She raised her hand to ask a question.

彼女は質問をするために手を上げました。

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 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。

C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

革命的イニシアティブ

Meaning

A groundbreaking action or plan that brings about significant change or transformation.

Example

The revolutionary initiative promotes sustainable energy.

革命的なイニシアティブは持続可能なエネルギーを促進します。

A2 noun rɪˈpɔːt

report

報告

Meaning

An account given of a particular matter, especially in the form of an official document after thorough investigation or consideration.

Example

The report highlights critical issues.

報告は重要な問題を浮き彫りにします。

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。

C1 noun /rɪˌtæl.iˈeɪ.ʃən/

Retaliation

報復

Meaning

the action of returning a military attack; counterattack; revenge for an injury or wrong

Example

The country threatened retaliation against any act of aggression.

その国はあらゆる攻撃行為に対して報復を予告しました。

C1 adjective /ˈræb.ɪd/

rabid

狂信的

Meaning

Having extreme or fanatical support for something; relating to or suffering from rabies.

Example

He was a rabid fan of the football team.

彼はサッカーチームの狂信的なファンだった。

B2 adjective /ˈrest.ləs/

Restless

落ち着きのない

Meaning

unable to rest or relax; constantly moving or fidgeting

Example

The child was restless during the long car journey.

長い車の旅で子供は落ち着きがなかった。

C1 noun rɪˈdɛmpʃən

redemption

贖い

Meaning

The action of saving or being saved from sin, error, or evil.

Example

The story highlights the theme of redemption.

その物語は償いのテーマを強調しています。

C2 verb /rɪˈfrækt/

refract

屈折する

Meaning

To bend light, sound, or heat as it passes through a medium.

Example

The water refracts light, making the straw look bent.

水は光を屈折させ、ストローが曲がって見える。

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。

B1 verb /riˈækt/

react

反応する

Meaning

to respond or behave in a particular way to something

Example

She reacted angrily when she heard the news.

彼女はニュースを聞いて怒って反応した。

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 verb /ˈræŋ.kəl/

rankle

イライラさせる

Meaning

To cause continuing annoyance or resentment.

Example

His unfair criticism continued to rankle her for days.

彼の不公平な批判は何日も彼女をイライラさせ続けた。