C1 noun /ræˈpɔːr/

rapport

関係

Meaning

A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.

Example

The teacher built a strong rapport with her students.

教師は生徒と強い関係を築いた。

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。

C1 adjective /rɪˈpʌɡ.nənt/

Repugnant

嫌悪感を引き起こす; 嫌な; 不快な

Meaning

extremely distasteful; unacceptable; causing disgust or strong dislike

Example

The idea of lying to his parents was repugnant to him.

両親に嘘をつくという考えは彼にとって嫌悪感を抱かせた。

C2 noun /ˈræɡəmʌfɪn/

ragamuffin

ぼろぼろの子供

Meaning

A person, typically a child, in ragged, dirty clothes.

Example

The little ragamuffin begged for food on the street.

小さなぼろぼろの子供が通りで食べ物を求めていた。

C1 noun /rɪˈliːf treɪn/

Relief Train

救援列車

Meaning

a train that carries emergency supplies and aid to disaster-affected areas

Example

The relief train arrived with food and medical supplies for the flood victims.

救援列車は洪水の被害者のために食料と医療物資を運んできました。

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。

B2 verb /ˌriːəˈʃʊr/

reassure

安心させる

Meaning

to say or do something to remove someone's doubts or fears

Example

The teacher reassured the students before the exam.

教師は試験前に生徒を安心させました。

C1 noun /ˈruːdɪmənt/

rudiment

基本

Meaning

A basic principle, element, or fundamental part of something.

Example

He learned the rudiments of music before joining the band.

彼はバンドに参加する前に音楽の基礎を学びました。

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。

C1 adjective rɪˈlɛntləs

relentless

容赦ない

Meaning

Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.

Example

The freedom fighters' relentless struggle led to victory.

自由戦士たちの容赦ない戦いは勝利へと導いた。

B1 noun /rɪˈkwɛst/

request

Meaning

a formal or polite demand for something

Example

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

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.

B2 adjective /ˈrʌs.ti/

Rusty

錆びた; 練習不足; 最近の練習不足による障害

Meaning

affected by rust; out of practice; impaired by lack of recent practice

Example

My piano skills are rusty after not playing for years.

何年もピアノを弾いていなかったので、私のピアノのスキルは錆びついています。

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。

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。

B2 verb /rɪp/

rip

裂ける

Meaning

to tear something quickly or violently

Example

He accidentally ripped his shirt on the fence.

彼はフェンスでシャツをうっかり裂けてしまいました。

B2 noun, verb /ræŋks/

ranks

ランク

Meaning

Positions within a group, especially in a hierarchy or organization.

Example

He quickly moved up the ranks of the army.

彼はすぐに軍隊のランクで上昇しました。

C1 adjective /ˈrɛtɪsənt/

reticent

控えめ

Meaning

not revealing one's thoughts or feelings readily; reserved

Example

She was reticent about her personal life.

彼女は自分の個人的な生活について控えめでした。

B1 noun /rɪˈɡret/

Regret

後悔

Meaning

a feeling of sadness or disappointment about something that has happened or been done

Example

She felt deep regret about her harsh words.

彼女は自分の辛辣な言葉に深い後悔を感じていました。

C1 verb /rɪˈkɔɪl/

recoil

後退する

Meaning

To suddenly spring back in fear, horror, or from force such as a gun's kickback.

Example

She recoiled at the sight of the snake.

彼女はヘビを見て後退した。

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 /rɪˈsɪprəˌkeɪt/

reciprocate

応答する

Meaning

To respond to an action or gesture by making a corresponding one.

Example

She smiled at him, and he reciprocated with a warm hug.

彼女は彼に微笑み、彼は温かい抱擁で応じた。

B1 verb /ˌrɛprɪˈzɛnt/

represent

代表する

Meaning

to act or speak on behalf of someone or something

Example

He will represent our company at the conference.

彼は会議で私たちの会社を代表します。

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。

B2 adjective /ˈrɪdən/

ridden

覆われた

Meaning

Full of or dominated by something unpleasant.

Example

The country was ridden with corruption.

その国は腐敗に覆われていた。

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 /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。

C1 verb /rɪˈpiːl/

repeal

Meaning

To officially cancel or revoke a law or decision.

Example

The government decided to repeal the outdated law.

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。

C1 adjective /rɪˈper.ə.bəl/

Repairable

修理可能

Meaning

able to be fixed or mended; capable of being repaired

Example

The broken phone is repairable with the right parts.

壊れた電話は正しい部品で修理可能です。

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 adjective /rɪˈstreɪnd/

restrained

抑制された

Meaning

characterized by reserve or self-control; held back

Example

Her restrained reaction surprised everyone.

彼女の抑制された反応は皆を驚かせました。

C1 noun /ˈriːbeɪt/

rebate

リベート/払い戻し

Meaning

a partial refund given to someone who has paid too much money for something

Example

The store offered a rebate on bulk purchases.

その店は大量購入に対してリベートを提供しました。

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。

B2 noun /rɪˈmaɪndər/

reminder

リマインダー

Meaning

something that helps you remember a fact, event, or action that you need to do or recall

Example

He set a reminder to call his mother on her birthday.

彼は母親の誕生日に電話するためにリマインダーを設定しました。

C1 verb /ˈrætɪfaɪ/

ratify

批准する

Meaning

to approve or confirm something officially, usually by law or formal consent

Example

The government ratified the trade agreement.

政府は貿易協定を批准しました。

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.

B1 verb /rɪˈleɪt/

relate

ravel

絡まる / 解く

Meaning

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

Example

She began to ravel the loose threads of the sweater.

彼女はセーターのゆるい糸をほどき始めました。

B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

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。

C1 verb /rɪˈvɪər/

revere

尊敬する

Meaning

To deeply respect or admire someone or something.

Example

The students revered their teacher for his wisdom.

生徒たちはその知恵に対して教師を崇敬しました。

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。

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。

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。

A2 adjective /ˈreɪ.ni/

Rainy

雨の日の

Meaning

characterized by rain; wet from rain; having much rain

Example

It was a rainy day, so we stayed indoors.

今日は雨の日だったので、家の中にいました。

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 /ˈrʌn daʊn/

run-down

荒れ果てた

Meaning

in a poor condition; worn out or neglected

Example

They live in a run-down house at the edge of town.

彼らは町の端にある荒れ果てた家に住んでいます。

A2 noun /roʊl/

role

役割

Meaning

a part or function of something

Example

Her role in the project was crucial.

彼女のプロジェクトでの役割は重要でした。

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/verb /rɪˈproʊtʃ/

reproach

非難 / 批判

Meaning

An expression of disapproval or disappointment; to criticize someone for doing wrong.

Example

She reproached him for arriving late to the meeting.

彼女は会議に遅れたことを彼に非難した。

A2 noun rɪˈsɜːtʃ

research

研究

Meaning

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.

Example

Research on radio waves began earlier in India.

ラジオ波の研究はインドで早く始まりました。

C1 noun /ˈrʌmpəs/

Rumpus

騒動; 混乱; 騒音

Meaning

a noisy disturbance; an uproar or commotion

Example

The children caused quite a rumpus in the playground.

子供たちは遊び場でかなりの騒動を引き起こしました。

C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

赤いオリンダー

Meaning

a poisonous flowering shrub with bright red or pink flowers

Example

The red oleander blooms throughout the summer months.

赤いオリンダーは夏の数ヶ月間咲きます。

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 noun /roʊˈmæns/

Romance

ロマンス

Meaning

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

Example

Their romance began when they met at the university library.

彼らの恋愛は、大学の図書館で出会ったときに始まった。

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。

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。

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。

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。

B2 adjective /ˈrɪdʒ.ɪd/

Rigid

硬直

Meaning

hard and stiff; not able to bend; strict and unwilling to change

Example

The company has a rigid dress code that all employees must follow.

会社にはすべての従業員が従う必要がある厳格なドレスコードがあります。

C1 noun /rɪˈsɜː.dʒəns/

resurgence

再生

Meaning

An increase or revival after a period of little activity, popularity, or occurrence.

Example

The city saw a resurgence in tourism after the pandemic.

都市はパンデミック後、観光業の再生を見ました。

B1 noun /ˌrɛzəˈluːʃən/

resolution

解決, 決議

Meaning

The action of solving a problem, dispute, or contentious matter.

Example

The resolution of the issue requires careful planning and action.

問題の解決には慎重な計画と行動が必要です。

C2 noun /ˈræʃənəlɪzəm/

rationalism

合理主義

Meaning

a belief or theory that opinions and actions should be based on reason and knowledge rather than religious belief or emotion

Example

Rationalism emphasizes logic and reasoning over faith.

合理主義は信仰よりも論理と推論を強調します。

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。

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。

B1 adjective /rɪˈmoʊt/

remote

遠隔

Meaning

Situated far from the main centers of population; distant.

Example

They stayed in a remote village during their trip.

彼らは旅行中に遠隔の村に泊まりました。

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 ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

ロイヤルベンガルタイガー

Meaning

A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.

Example

The Royal Bengal Tiger is an iconic species of the Sundarbans.

ロイヤルベンガルタイガーはスンダルバンスの象徴的な種です。

C2 verb /rɛnd/

rend

引き裂く

Meaning

to tear something apart violently or forcefully

Example

The explosion rent the air with a deafening noise.

爆発は耳をつんざくような音で空気を引き裂いた。

B2 verb /riːˈɔːrɡənaɪz/

reorganize

再編成する

Meaning

to arrange something again in a different way for greater efficiency or order

Example

The manager decided to reorganize the team structure.

マネージャーはチームの構造を再編成することに決めました。

C1 noun /ˈræmpɑːrt/

rampart

城壁

Meaning

a defensive wall of a castle or fort

Example

The soldiers stood on the rampart, watching the enemy approach.

兵士たちは城壁に立ち、敵が近づくのを見守っていました。

B2 noun /rʌʃ/

Rush

急ぎ; ラッシュ

Meaning

a sudden quick movement toward something; a period of great activity or demand; hurry

Example

There was a rush to buy tickets for the concert.

コンサートのチケットを買うために急いでいました。

C1 adjective /ˈrek.wɪ.zɪt/

Requisite

必要な; 必須の

Meaning

made necessary by particular circumstances; required

Example

Good communication skills are requisite for this job.

この仕事には良いコミュニケーションスキルが必要です。

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。

B1 noun /rɪˈkwaɪə(r)mənt/

requirement

要件

Meaning

something that is necessary or demanded

Example

The job has specific educational requirements.

この仕事には特定の教育要件があります。

B2 noun ˈrɛstɪŋ pleɪs

resting place

安息地

Meaning

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

Example

The resting place of the martyrs is near the river.

殉教者の安息地は川の近くにあります。

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 /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 noun /rɪˈkluːs/

recluse

隠者

Meaning

A person who lives alone and avoids other people; someone who lives a solitary life.

Example

The old man lived as a recluse in the mountains.

その老人は山の中で隠者として暮らしていた。

A1 adjective /ˈrɛd.i/

ready

準備ができた

Meaning

Prepared or available for use or action.

Example

She was ready to leave for the airport.

彼女は空港に行く準備ができていた。

A2 noun /ruːlz/

rules

ルール

Meaning

explicit principles or regulations governing conduct or procedure within a particular area of activity

Example

The teacher reminded the students to follow the classroom rules.

先生は生徒にクラスのルールに従うように注意しました。

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。

B2 noun /rɪˈsɪp.i.ənt/

Recipient

受取人

Meaning

a person who receives something

Example

She was the recipient of the prestigious award.

彼女はその名誉ある賞の受取人でした。

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。

B1 noun /rɪˈliːf/

Relief

安心; 安堵; 支援

Meaning

a feeling of comfort after worry or distress; assistance given to those in need

Example

She felt great relief when the exam was over.

試験が終わったとき、彼女は大きな安堵感を感じました。

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 verb /ˌriː.kəˈnɔɪ.tər/

reconnoiter

偵察する

Meaning

to make a preliminary inspection or survey, especially of an area for military or strategic purposes

Example

The soldiers reconnoitered the area before advancing.

兵士たちは進軍する前にその地域を偵察しました。

B1 noun /ˌrɛdʒɪˈstreɪʃən/

registration

登録

Meaning

the action or process of enrolling or signing up for something

Example

The registration for the event will close tomorrow.

イベントの登録は明日締め切りです。

B2 adjective rɪˈnaʊnd

renowned

著名

Meaning

Known or talked about by many people; famous.

Example

The renowned scientist led the reform panel.

その著名な科学者は改革パネルを指導しました。

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。

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。

B1 noun riˈæləti

reality

現実

Meaning

The world or the state of things as they actually exist, as opposed to an idealistic or notional idea.

Example

The reality of the situation was evident.

状況の現実は明らかでした。

C2 verb /rɔɪl/

roil

かき乱す

Meaning

to make a liquid muddy or disturbed; to cause agitation or disorder

Example

The constant protests roiled the city streets.

絶え間ない抗議が街の通りをかき乱した。

B2 noun /ˈrɛlɪvənsi/

relevancy

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。

C2 noun /ˈreɪmənt/

raiment

衣服

Meaning

clothing, especially fine or formal wear

Example

The king wore royal raiment during the ceremony.

王は儀式の間、王族の衣服を着ていた。

C1 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

再建する

Meaning

to set up or restore something again after it has been disrupted

Example

The government worked hard to reestablish peace in the region.

政府は地域の平和を再建するために懸命に働きました。

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。

C2 noun /rɪˌnʌnsiˈeɪʃən/

renunciation

放棄

Meaning

the formal rejection or giving up of something, usually a belief, claim, or way of life

Example

His renunciation of worldly pleasures impressed the monks.

彼の世俗的な楽しみへの放棄は僧侶たちに感銘を与えました。

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。

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 verb /rɪˈzaʊnd/

resound

反響する

Meaning

To fill a place with sound; to be celebrated or talked about widely.

Example

The hall resounded with applause.

ホールは拍手で反響しました。

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。

C1 noun /ˈrʌbəl/

rubble

瓦礫

Meaning

Broken stone, bricks, or debris from a collapsed building or structure.

Example

The rescue team searched through the rubble after the earthquake.

地震後、救助隊は瓦礫の中を探しました。

C1 verb /ˈrʌf.l̩/

ruffle

Meaning

to disturb the smoothness of something; to annoy or upset someone

Example

The wind ruffled her hair.

B1 adjective /roʊˈmæn.tɪk/

Romantic

ロマンチック

Meaning

relating to love; idealistic; dreamy

Example

They enjoyed a romantic dinner by candlelight.

彼らはろうそくの光でロマンチックなディナーを楽しんでいました。

A2 noun /ˈriːdɪŋ/

reading

読書

Meaning

the action or skill of reading

Example

Reading is one of my favorite hobbies.

読書は私の好きな趣味の一つです。

B1 noun /ˈrʌbər/

rubber

幸福

Meaning

a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.

Example

The tires are made of natural rubber.

彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。

C1 adjective /riˈækʃəˌneri/

reactionary

反動的

Meaning

Opposing political or social progress or reform; extremely conservative.

Example

The group took a reactionary stance against the new policies.

グループは新しい政策に対して反動的な立場を取った。

C2 noun /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 noun /ˈrɪk.ʃɔː/

Rickshaw

リクシャ

Meaning

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

Example

We took a rickshaw to reach the busy marketplace.

忙しい市場に到着するためにリクシャを利用しました。

C2 noun /rɪˌdʒuːvəˈnɛsəns/

rejuvenescence

再生

Meaning

the action or process of becoming young or fresh again

Example

The forest showed signs of rejuvenescence after the rains.

雨の後、森は再生の兆しを見せました。

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。

A2 verb /raɪz/

rise

上がる

Meaning

to move upward; to get up from bed; to increase

Example

The sun rises in the east.

太陽は東から昇ります。

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 /rɪˈdjuːsəbl̩/

reducible

Meaning

capable of being simplified, lessened, or made smaller

Example

The problem is complex but reducible to a few basic principles.

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。

C2 adjective /ˈreɪ.moʊs/

ramose

分岐した

Meaning

having many branches.

Example

The ramose tree shaded the entire garden.

その分岐した木は庭全体に日陰を提供しました。

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。

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。