C1 noun ˈrɛp.ə.twɑːr

repertoire

レパートリー

Meaning

A stock of plays, dances, or pieces that a company or a performer knows or is prepared to perform.

Example

The actor's repertoire includes both comedy and drama.

俳優のレパートリーにはコメディとドラマが含まれています。

C2 noun /rɪˈpʌɡ.nəns/

repugnance

嫌悪

Meaning

intense disgust or strong aversion towards something

Example

She felt deep repugnance at the cruelty of the act.

彼女はその行為の残酷さに深い嫌悪を感じた。

C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

再調整する, 調整し直す

Meaning

To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.

Example

The company had to recalibrate its strategies to adapt to the market.

会社は市場に適応するために戦略を再調整する必要があった。

A2 verb /ˈriːəlaɪz/

realize

気づく

Meaning

to become aware of; to understand clearly; to achieve or make real

Example

I didn't realize how late it was until I checked the clock.

時計を見るまで、こんなに遅いとは気づかなかった。

C1 noun /rɑk sɔlt/

Rock Salt

岩塩

Meaning

natural salt crystals formed from evaporated ancient seas; unrefined salt

Example

Rock salt is considered healthier than table salt.

岩塩はテーブルソルトよりも健康的だと考えられています。

B2 verb /ˈreɪn.dʒɪŋ/

ranging

変動する

Meaning

Extending or varying between limits.

Example

The temperatures are ranging from 15 to 30 degrees this week.

今週の気温は15度から30度の間で変動しています。

C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金

Meaning

money paid for work or services; compensation or reward

Example

The job offers excellent remuneration and benefits.

その仕事は優れた報酬と福利厚生を提供します。

B2 verb /rɪˈzɛnt/

resent

恨む

Meaning

to feel bitterness or displeasure about something or someone

Example

She began to resent the constant criticism from her boss.

彼女は上司からの絶え間ない批判をリゼントし始めました。

C2 adjective /ˈroʊziət/

roseate

バラ色の、楽観的な

Meaning

Having a pink color; optimistic or idealistic.

Example

She looked at the future with roseate optimism.

彼女はローズ色の楽観主義で未来を見ました。

C2 adjective /rɪˈzɪstləs/

resistless

抗えない

Meaning

Impossible to resist; having an overpowering effect.

Example

She felt a resistless urge to laugh at the joke.

彼女はジョークで笑いたいという抗えない衝動を感じた。

C1 adjective /ˈræɡ.ɪd/

Ragged

ボロボロの; 破れた; ぼろぼろ

Meaning

torn; tattered; frayed; shabby

Example

The homeless man wore ragged clothes.

ホームレスの男はボロボロの服を着ていた。

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 /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。

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 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 verb /roʊl/

roll

転がる

Meaning

to move by turning over and over on an axis

Example

She rolled the ball down the hill.

彼女はボールを丘の下に転がしました。

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 noun ˌrɛzɪɡˈneɪʃən

resignation

辞任

Meaning

The acceptance of something undesirable but inevitable; giving up.

Example

Her resignation from the position was unexpected.

彼女の職からの辞任は予想外だった。

B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅の

Meaning

Designed for people to live in.

Example

The institution was fully residential.

その施設は完全に住宅のものでした。

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。

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。

C1 verb /reɪv/

rave

絶賛する

Meaning

to speak or write about something with great enthusiasm or admiration

Example

Critics rave about the new movie.

批評家たちは新しい映画を絶賛しています。

C2 verb /rɪˈsɪnd/

rescind

取り消す

Meaning

to revoke, cancel, or repeal a law, order, or agreement

Example

The company decided to rescind the job offer.

その会社は仕事のオファーを取り消すことを決定しました。

B2 adverb /ˈræp.ɪd.li/

Rapidly

速やかに; 急速に

Meaning

at a fast speed; quickly

Example

The company is rapidly expanding into new markets.

会社は新しい市場に急速に拡大しています。

B2 noun /ˈraɪfəl/

Rifle

ライフル

Meaning

a gun with a long barrel that is fired from the shoulder

Example

The soldier carried a rifle during the mission.

兵士は任務中にライフルを携帯していました。

C1 adjective /ˈrɛzənənt/

resonant

響く

Meaning

Deep, clear, and continuing to sound or echo.

Example

The resonant voice of the speaker filled the hall.

スピーカーの響く声がホールに響き渡った。

C2 adjective /rɪˈfræɡəbəl/

refragable

反論可能な

Meaning

Capable of being refuted or disproved.

Example

His argument was weak and easily refragable.

彼の議論は弱く、簡単に反論可能だった。

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。

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。

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.

C1 verb /ˌriːˈtʌtʃ/

retouch

修正する

Meaning

To improve or repair a picture, photograph, or image by making small changes.

Example

The photographer retouched the image to remove blemishes.

写真家は画像を修正して、シミを取り除きました。

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。

C1 noun /ˈrɒstrəm/

rostrum

演壇

Meaning

A raised platform for speakers, performers, or leaders.

Example

The politician delivered a speech from the rostrum.

政治家は演壇から演説を行いました。

C2 adjective /ˈruːnɪk/

runic

ルーンに関連する

Meaning

relating to or consisting of runes; mysterious or magical

Example

The old stone had strange runic carvings on it.

古い石には奇妙なルーンの刻印がありました。

C1 adjective /ˈrʌs.tɪk/

Rustic

シンプルで洗練されていない; 農村地域に関連

Meaning

simple and unsophisticated; relating to rural areas

Example

The rustic cottage had wooden beams and a thatched roof.

そのラスティックな小屋は木製の梁と藁葺きの屋根を持っていた。

C1 verb /rɪˈtreɪs/

retrace

Meaning

to go back over a path or route; to recall and repeat steps taken earlier

Example

She retraced her steps to find her lost keys.

B2 adjective /ˈruː.tɪd/

Rooted

根付いた

Meaning

deeply established; firmly fixed

Example

His beliefs are deeply rooted in tradition.

彼の信念は伝統に深く根ざしている。

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。

C1 adjective /ˈrævənəs/

ravenous

猛烈にお腹がすいている

Meaning

Extremely hungry; famished.

Example

After the long hike, she was ravenous and ate quickly.

長いハイキングの後、彼女は猛烈にお腹がすいて、すぐに食べました。

C1 verb /ˈrek.ən.saɪl/

reconcile

和解する, 調和する

Meaning

Restore friendly relations between; cause to coexist in harmony.

Example

They tried to reconcile their differences through open communication.

彼らは開かれたコミュニケーションを通じて自分たちの違いを和解しようとしました。

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。

C1 noun/verb /rɪˈpoʊz/

repose

休息

Meaning

a state of rest, sleep, or tranquility; to rest or lie in a peaceful position

Example

After the long journey, she sought repose in the quiet garden.

長い旅の後、彼女は静かな庭で休息を求めた。

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。

B1 adjective /rɪˈdɪk.jə.ləs/

Ridiculous

馬鹿げた; ばかばかしい; 不合理な

Meaning

extremely silly or unreasonable; deserving or causing laughter

Example

The idea of building a house without tools is ridiculous.

道具なしで家を建てるアイデアは馬鹿げている。

C1 noun, verb /raʊt/

rout

敗北

Meaning

A decisive defeat; to defeat completely.

Example

The army routed the enemy forces in the battle.

軍隊は戦いで敵軍を完全に打ち負かしました。

C1 noun /ˈrʌfiən/

Ruffian

暴力的な人物; 不良;

Meaning

a violent person, especially one involved in crime; a brutal or lawless person

Example

The ruffian threatened the shopkeeper for money.

不良は店主を金のために脅した。

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。

B2 noun /reɪˈʒiːm/

regime

政権

Meaning

a system or form of government, often authoritarian

Example

The military regime controlled the country for decades.

軍事政権は数十年間国を支配していました。

B1 adverb /ˈrel.ə.tɪv.li/

Relatively

相対的に

Meaning

in comparison to something else; quite; fairly

Example

The weather is relatively warm today.

今日の天気は相対的に暖かい。

B2 verb /reɪp/

rape

強姦

Meaning

to force someone to have sexual intercourse without their consent

Example

The law strictly punishes those who commit rape.

法律は強姦を犯した者に厳罰を与えます。

C2 adjective /ræpˈtɔːriəl/

raptorial

肉食鳥

Meaning

Relating to birds of prey or predatory behavior.

Example

The eagle is a raptorial bird with sharp talons.

ワシは鋭い爪を持つ肉食鳥です。

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。

C1 verb /ˈrɛplɪkeɪt/

replicate

複製する

Meaning

to copy, reproduce, or duplicate something exactly

Example

The scientist tried to replicate the experiment for accuracy.

科学者は実験を正確に再現しようとしました。

C1 noun ˌrɛk.əˈlɛk.ʃən

Recollection

記憶

Meaning

Remembering past events or information

Example

His recollection of childhood memories was vivid.

彼の子供時代の記憶は鮮明だった。

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 /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 /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。

C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する

Meaning

To go to the countryside or to suspend someone from university.

Example

He decided to rusticate in the village to escape the busy city life.

彼は忙しい都市生活から逃れるために村に行くことを決めました。

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。

C2 adjective /ˈrɛd.ələnt/

redolent

Meaning

having a strong pleasant smell; strongly reminiscent or suggestive of something

Example

The kitchen was redolent of spices and fresh herbs.

C2 verb /ˌriːkruːˈdɛs/

recrudesce

再発

Meaning

to break out or appear again after a period of dormancy or decline

Example

After months of calm, violence recrudesced in the region.

数ヶ月の静けさの後、暴力が再発しました地域で。

C1 noun /rɪˈmɪʃən/

remission

Meaning

A temporary or permanent decrease or disappearance of disease symptoms; forgiveness of sins or debts.

Example

The patient’s cancer is in remission after the treatment.

C2 verb /ˈrɔɪstər/

roister

大声で祝い

Meaning

to revel noisily; to engage in loud, boisterous celebration

Example

The fans roistered in the streets after the victory.

ファンは勝利後に街で騒いでいました。

B2 adjective ˈræd.ɪ.kəl

radical

伝統的な信念やシステムに反する根本的な変化をもたらす能力がある

Meaning

Capable of bringing fundamental changes opposite to conventional beliefs or systems.

Example

The leader proposed radical economic reforms.

リーダーはラディカルな経済改革を提案しました。

C1 noun /ˌrev.əˈluː.ʃən.ər.i ˈbreɪk.θruː/

revolutionary breakthrough

革命的な発見

Meaning

A sudden, dramatic, and important discovery or development that changes everything.

Example

Robotic surgery is a revolutionary breakthrough in healthcare.

ロボット手術は医療分野での革命的な発見です。

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 /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。

B1 adjective /ˈrel.ə.vənt/

Relevant

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。

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 noun /ˌrezəˈveɪʃən/

Reservation

予約

Meaning

the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval

Example

I made a reservation at the restaurant for tonight.

今夜のレストランの予約をしました。

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。

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。

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。

C1 noun /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

幸福

Meaning

the process of restoring someone or something to health or normal life through training or therapy

Example

After the accident, he went through months of rehabilitation to walk again.

彼女は賞を受け取ったとき、自分の幸福を隠せなかった。

B2 noun /rɒd/

rod

金属または木材の細長い棒

Meaning

a thin straight bar, especially of metal or wood

Example

He used an iron rod to support the structure.

彼は構造を支えるために鉄のロッドを使いました。

B2 noun /ˈrʊki/

rookie

初心者

Meaning

a person who is new to an activity or organization; a beginner

Example

The rookie policeman made a few mistakes on his first day.

新米警官は初日にいくつかのミスを犯しました。

C1 verb /ˈrɪvɪt/

rivet

リベットで固定する / 注意を引く

Meaning

to fasten or secure with a rivet; to hold someone’s attention firmly

Example

The craftsman riveted the metal plates together.

職人は金属の板をリヴェットで留めました。

C1 adjective /ˈrɪkɪti/

rickety

ぐらつく

Meaning

Poorly made and likely to collapse; shaky.

Example

They crossed a rickety wooden bridge over the river.

彼らは川を越える不安定な木製の橋を渡りました。

C1 verb /rɪˈtrækt/

retract

Meaning

to withdraw a statement, promise, or part of the body; to pull back

Example

The company retracted its earlier statement after realizing the error.

A1 verb /riːd/

read

読む

Meaning

to look at written words and understand their meaning

Example

I read books before going to bed.

私は寝る前に本を読みます。

B2 noun /ˈreɪʃoʊ/

ratio

比率

Meaning

a relationship between two numbers showing how many times the first number contains the second

Example

The ratio of boys to girls in the class is 2:1.

クラスでの男の子と女の子の比率は2:1です。

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。

B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

繰り返し

Meaning

the action of repeating something that has already been said or written

Example

Constant repetition helps students memorize vocabulary effectively.

継続的な繰り返しは、学生が語彙を効果的に覚えるのを助けます。

B2 noun /ˈruːmər/

rumor

噂

Meaning

a currently circulating story or report of uncertain or doubtful truth.

Example

There’s a rumor that the company will merge next year.

来年、会社が合併するという噂があります。

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。

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 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。

C1 noun ˈrəʊvə

rover

ローバー

Meaning

A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.

Example

The rover landed on Mars to begin its exploration.

ローバーは火星に着陸し、探査を開始しました。

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。

C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

革命的に変える

Meaning

Change (something) radically or fundamentally.

Example

Artificial intelligence is set to revolutionize the healthcare sector.

人工知能は医療分野を革命化する準備ができています。

C1 adverb /rɪˈspek.tə.bli/

Respectably

敬意を表して; きちんと;

Meaning

in a way that is worthy of respect; decently; properly

Example

She was dressed respectably for the interview.

彼女は面接のためにきちんとした服装をしていた。

C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

反応性

Meaning

The quality of reacting quickly and positively

Example

The manager appreciated her responsiveness to customer feedback.

マネージャーは彼女の顧客からのフィードバックに対する反応性を評価しました。

B2 verb /rɪˈzɜːv/

reserve

予約する

Meaning

to keep something for future use; to book in advance

Example

I want to reserve a table for dinner.

ディナーのためにテーブルを予約したいです。

C1 verb /rɪˈtɑːrd/

retard

遅らせる / 減速する

Meaning

to delay or slow down the progress of something

Example

Lack of funds may retard the development of the project.

資金不足はプロジェクトの進展を遅らせる可能性があります。

C1 adjective /rɪˈpliːt/

replete

満ちた

Meaning

Filled or well-supplied with something; abundantly full.

Example

The book is replete with fascinating historical details.

その本は魅力的な歴史的詳細で満ちています。

B2 noun /ˈrɒbəɹi/

robbery

強盗

Meaning

the crime of stealing from someone or somewhere using force or threat

Example

The police are investigating the robbery at the local store.

警察は地元の店での強盗事件を調査しています。

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。

C2 adjective /ˈrɛkənˌsaɪləbl̩/

reconcilable

Meaning

Capable of being resolved or made consistent.

Example

Their differences are reconcilable with honest communication.

C1 noun /rɪˈsaɪtər/

reciter

朗誦者

Meaning

a person who recites or repeats something aloud from memory, especially poetry, prayers, or formal texts

Example

The reciter delivered the poem with clarity and emotion.

朗誦者は明瞭さと感情を込めて詩を朗読した。

B2 noun /ˈraɪvəl/

Rival

ライバル; 競争相手;

Meaning

a person or thing competing with another for the same objective or for superiority in the same field

Example

The two companies have been business rivals for decades.

二つの企業は何十年もの間、商業上のライバルです。

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 /reɪdʒ/

rage

怒り

Meaning

intense anger or fury

Example

She shouted in a fit of rage after hearing the news.

彼女はそのニュースを聞いて怒りの叫び声を上げました。

C1 verb /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 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。

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。

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。

B2 noun /rɛlm/

realm

Meaning

A kingdom or domain; a field or area of activity or interest.

Example

He is well known in the realm of science.

B1 noun riˈækʃən

reaction

反応

Meaning

An action performed or a feeling experienced in response to a situation or event.

Example

The arrests triggered a reaction.

逮捕は反応を引き起こしました。

B2 verb /rɒt/

rot

腐る

Meaning

to decay or decompose; to become corrupt

Example

The fruit will rot if left in the sun.

果物は日光に当たると腐ります。

C1 verb /rɪˈkuːpəreɪt/

recuperate

回復する

Meaning

to recover from illness or regain strength

Example

She went to the countryside to recuperate after surgery.

彼女は手術後、回復するために田舎に行った。

A1 verb /raɪd/

ride

乗る/ライディング

Meaning

to travel on or in a vehicle; to sit on and control a horse

Example

She likes to ride her bicycle to work.

彼女は自転車で仕事に行くのが好きです。

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。

C2 noun /ˈruː.mɪ.nənt/

ruminant

反芻動物

Meaning

a cud-chewing mammal, such as a cow or sheep

Example

Cows are ruminants that chew cud.

牛は反芻動物で、食べ物を再度咀嚼します。

B1 verb /rɑːb/

rob

強盗する

Meaning

to steal money or property from a person or place; to commit robbery

Example

The thief tried to rob the bank last night.

泥棒は昨晩銀行を強盗しようとしました。

C2 verb /rɪˈmɒnstreɪt/

remonstrate

抗議する

Meaning

To make a forceful protest or objection.

Example

Citizens remonstrated against the new tax policy.

市民たちは新しい税制政策に抗議した。

C2 adjective /rəˈʃɛrʃ/

recherche

希少

Meaning

Rare, exotic, or obscure, often in a sophisticated or refined way.

Example

The gallery displayed many recherche artworks from unknown artists.

ギャラリーは、未知のアーティストによる多くの希少なアート作品を展示しました。

B2 verb /ˈraɪpən/

ripen

幸せ

Meaning

to become or make something ready to eat or fully developed

Example

The bananas ripened quickly in the warm weather.

彼女は賞を受け取ったとき、幸せを隠せなかった。

C1 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 /ˈroʊ.teɪt/

rotate

回転する

Meaning

to turn around a central point or axis

Example

The Earth rotates on its axis once every 24 hours.

地球は24時間ごとに自転します。

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。