revolution
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B2 noun ˌrɛvəˈluːʃən

revolution

革命
Meaning
A forcible overthrow of a government or social order, in favor of a new system.
Example
The story is set during the French Revolution.
物語はフランス革命の時代に設定されています。
B2 noun /ræntʃ/

ranch

牧場
Meaning
a large farm where animals such as cattle or sheep are raised
Example
They own a huge cattle ranch in Texas.
彼らはテキサスで巨大な牧場を所有しています。
B2 noun /rɪˈbel.jən/

Rebellion

反乱
Meaning
an act of armed resistance to an established government or leader
Example
The rebellion against the king lasted for three years.
王に対する反乱は3年間続いた。
B2 noun /rɪˈstreɪnt/

Restraint

抑制; 自制
Meaning
the action of keeping someone or something under control; self-control
Example
She showed great restraint in not responding to the criticism.
彼女は批判に反応しなかったことに大きな自制心を見せた。
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 noun /ˈraɪət/

Riot

暴動; 騒乱
Meaning
a violent disturbance of the peace by a crowd; an uncontrolled outburst
Example
The peaceful protest turned into a riot when violence broke out.
平和的な抗議は暴力が起こったときに暴動に変わった。
B2 adjective /rɪˈsɔːrsfəl/

resourceful

Meaning
Having the ability to find quick and clever ways to overcome difficulties.
Example
She is very resourceful when it comes to solving unexpected problems.
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 /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.
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。
B1 noun /ˌrɛp.jʊˈteɪ.ʃən/

reputation

評判, 名声
Meaning
The opinion generally held about someone or something; fame or prestige.
Example
A good reputation is essential for business success.
良い評判はビジネスの成功に不可欠です。
A2 adjective /ˈriː.sənt/

Recent

最近の; 新しい; 現在の;
Meaning
happening not long ago; new; current;
Example
The recent changes in weather patterns concern scientists.
最近の天気の変化は科学者たちを心配させています。
C1 verb /ˌriːɪnˈsteɪt/

reinstate

再雇用する
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
その会社は停止された従業員を再雇用することを決定した。
B2 verb /ˌriː.ɪnˈfɔːrs/

reinforce

強化する
Meaning
To strengthen or support something with additional material, people, or effort.
Example
The teacher used examples to reinforce the lesson.
教師は例を使って授業を強化しました。
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 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。
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。
B2 verb /rɪˈtriːv/

retrieve

取り戻す
Meaning
to get something back that was lost or taken; to recover
Example
She managed to retrieve her lost phone from the taxi.
彼女はタクシーから失われた電話を取り戻すことができました。
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。
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

基本的な; 初歩的な; 未発達な; 発展の初期段階にある
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
彼女はフランス語についての初歩的な知識しか持っていません。
B2 verb /rɪˈfreɪn/

refrain

控える
Meaning
To hold oneself back from doing something.
Example
Please refrain from smoking in this area.
このエリアでの喫煙はご遠慮ください。
B1 verb /rɪˈkʌvər/

recover

回復する
Meaning
To return to a normal state of health, mind, or strength; to regain or save something.
Example
The world is struggling to recover from the pandemic.
世界はパンデミックから回復しようとしています。
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。
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 /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。
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 rəʊlz

Roles

役割
Meaning
A person's or thing's function in a particular situation.
Example
Defined roles improve team performance.
定義された役割はチームのパフォーマンスを向上させる。
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。
A1 noun /ruːm/

room

部屋
Meaning
A space within a building enclosed by walls, floor, and ceiling
Example
She decorated her room with bright colors.
彼女は明るい色で自分の部屋を飾りました。
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 noun /rɪˈsiː.vər/

Receiver

受話器
Meaning
a person or thing that receives something; the part of a telephone containing the earpiece and mouthpiece
Example
She picked up the receiver to answer the phone call.
彼女は電話に出るために受話器を取った。
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。
B2 verb /ˌriːəˈreɪndʒ/

rearrange

再配置する
Meaning
to change the order or position of something
Example
She decided to rearrange the furniture in her living room.
彼女はリビングルームの家具を再配置することに決めました。
C1 noun /ˈroʊdənt/

rodent

齧歯類
Meaning
a small mammal such as a mouse, rat, or squirrel, characterized by constantly growing incisors
Example
The farmer set traps to catch the rodents in his barn.
農場主は納屋の中でロデントを捕まえるために罠を設置しました。
B2 noun /roʊst/

Roast

ロースト肉
Meaning
Meat cooked by dry heat in an oven or over an open fire
Example
The Sunday roast was perfectly cooked and very tender.
日曜日のローストは完璧に調理され、とても柔らかかった。
C1 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。
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。
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。
C2 adjective /rɪˈmiːdiəbl/

remediable

修正可能
Meaning
capable of being corrected or cured
Example
The mistake was serious but still remediable.
その誤りは重大でしたが、まだ修正可能でした。
B2 noun /rɪˈfjuː.zəl/

Refusal

拒否; 拒絶
Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
彼の協力拒否はプロジェクトをさらに難しくした。
C2 noun /roʊˈtʌn.də.ti/

rotundity

円形
Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
風船の円形がそれを優雅に浮かせた。
B1 adjective /ˈrel.ə.vənt/

Relevant

関連する
Meaning
closely connected or appropriate to what is being discussed; pertinent
Example
Please provide only relevant information for this discussion.
この議論に関連する情報のみを提供してください。
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 /ˌriːˈmɒdəl/

remodel

改装する
Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
彼らは昨年の夏にキッチンをリモデルすることに決めました。
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。
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。
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。
C2 noun /rɪˈpruːf/

reproof

叱責, 非難
Meaning
An expression of blame or disapproval.
Example
His careless words drew a sharp reproof from his mother.
彼の不注意な言葉は、母親からの厳しい叱責を引き起こした。
B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

推薦
Meaning
a suggestion that someone or something would be good or suitable for a particular job or purpose
Example
I got this job based on a recommendation from my professor.
私は教授からの推薦でこの仕事を得ました。
B2 noun /ˈroʊstɪd miːt/

Roasted meat

ロースト肉
Meaning
meat cooked by dry heat in an oven or over fire
Example
The roasted meat was perfectly seasoned and tender.
ロースト肉は完璧に調味され、柔らかかった。
B1 verb /rɪˈfɜː/

refer

参照する
Meaning
to mention or allude to something; to direct someone to a source of information
Example
Please refer to page 45 for more details.
詳細については、ページ45をご参照ください。
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 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning
Of high moral, intellectual, or cultural value; distant from ordinary life.
Example
He works in the rarefied world of classical music.
C1 adjective /rɪˈpɛlənt/

repellent

忌避剤
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
このクリームは蚊除けとして非常に効果的です。
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。
B2 verb /ˈrɛnəˌveɪt/

renovate

改装する
Meaning
to restore something old to a good state or to improve it
Example
They decided to renovate the old house before moving in.
彼らは引っ越す前に古い家を改装することに決めました。
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.
C1 verb /ˌriː.kənˈviːn/

reconvene

再開する
Meaning
to gather or assemble again, especially for a meeting
Example
The committee will reconvene after lunch.
委員会は昼食後に再開します。
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 /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
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。
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。
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 adjective /rɪˈsɜːrdʒənt/

resurgent

復活した
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
復活した経済は多くのビジネスに希望を与えた。
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 /ˈrɛpərˌtɔːri/

repertory

レパートリー
Meaning
A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.
Example
The theater has a repertory of classic plays.
劇場にはクラシックな演劇のレパートリーがあります。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

払い戻す
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
会社は彼に旅行費用を払い戻しました。
B2 noun /raɪˈnɒs.ər.əs/

Rhinoceros

サイ
Meaning
a large, heavy animal with thick skin and one or two horns on its nose
Example
The rhinoceros charged through the grassland.
サイは草原を突進した。
A2 verb /rɪˈdjuːs/

reduce

減らす
Meaning
to make smaller in size, amount, or degree; to decrease
Example
We need to reduce our expenses this month.
今月は支出を減らす必要があります。
C1 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。
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 verb /rɪˈspaɪər/

respire

呼吸する
Meaning
To breathe in and out; to inhale and exhale.
Example
Plants also respire to release energy.
植物もエネルギーを放出するために呼吸します。
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。
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 adjective /rɪˈɡret.ə.bəl/

Regrettable

残念な; 失望させる; 悲しい
Meaning
causing or deserving regret; unfortunate; deplorable
Example
It is regrettable that so many talented people left the company.
こんなに多くの才能ある人々が会社を辞めたのは残念です。
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。
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。
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 ˈrez.ɪ.djuː

residue

残留物
Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
石鹸の残りが機器の効率に影響を与えます。
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。
C2 adjective /rɪˈmjuːnərətɪv/

remunerative

利益がある
Meaning
Financially rewarding or profitable.
Example
He chose a remunerative career in medicine.
彼は医学の中で利益のあるキャリアを選びました。
B2 adverb /ˈraɪtli/

Rightly

正しく; 適切に; 公正に
Meaning
correctly; properly; justly
Example
She rightly pointed out the mistakes in the report.
彼女は報告書の誤りを正しく指摘した。
B2 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。
B2 verb /rɪˈvaɪv/

revive

蘇生する
Meaning
To bring back to life, consciousness, or activity.
Example
The paramedics managed to revive the unconscious man.
救急隊員は意識不明の男性を蘇生させることに成功した。
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。
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。
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。
B1 adjective /ˈrʊr.əl/

Rural

田舎の
Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
彼女は街から遠く離れた田舎の地域で育ちました。
A2 adverb /ˈrɑː.ðər/

Rather

むしろ; ～の代わりに;
Meaning
to some extent; instead; preferably
Example
I would rather stay home than go to the party.
パーティーに行くよりも家にいる方がいい。
B2 adverb /rɪˈspektɪvli/

Respectively

それぞれ; 指定された順序で; 別々に、そしてすでに言及された順序で
Meaning
in the order given; separately and in the order already mentioned
Example
John and Mary are 25 and 30 years old respectively.
ジョンとメアリーはそれぞれ25歳と30歳です。
C2 adjective /ˈrɛd.ələnt/

redolent

Meaning
having a strong pleasant smell; strongly reminiscent or suggestive of something
Example
The kitchen was redolent of spices and fresh herbs.
C1 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。
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 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。
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。
B2 adjective /rɪˈstrɪk.tɪd/

Restricted

制限された; 制御された; 制限付き
Meaning
limited or controlled; subject to restrictions
Example
Access to this area is restricted to authorized personnel only.
このエリアへのアクセスは、認可されたスタッフのみが制限されています。
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。
B2 adjective /rɪˈzɪl.i.ənt/

resilient

回復力のある
Meaning
Able to withstand or recover quickly from difficult conditions.
Example
Resilient materials ensure durability.
回復力のある素材は耐久性を保証します。
C1 noun rɪˈfaɪnmənt

refinement

精練
Meaning
The process of removing impurities or unwanted elements from a substance.
Example
His manners showed a refinement that made him stand out in any crowd.
彼のマナーは精練されたもので、どんな群衆の中でも目立っていた。
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。
C1 verb /rɪˈtɔːrt/

retort

反論
Meaning
To reply quickly or sharply, often in a witty or angry manner.
Example
He quickly retorted that he was not to blame.
彼は素早く反論した、彼が悪くないと言った。
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。
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。
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。
B1 adjective /rɔː/

Raw

生の; 処理されていない; 自然な状態で; 未熟な
Meaning
uncooked; not processed; in natural state; inexperienced
Example
The chef prefers to use raw vegetables in his salads.
シェフはサラダに生野菜を使うのが好きです。
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。
C1 noun /ˈrɛnɪˌɡeɪd/

renegade

裏切り者
Meaning
a person who deserts or betrays an organization, country, or principles
Example
He was labeled a renegade after leaving the party and criticizing its policies.
彼は党を離れ、その政策を批判した後、裏切り者と見なされた。
C1 adjective /ˈraɪ.tʃəs/

Righteous

正義の; 公正な; 道徳的な
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
彼女は労働者の不当な扱いに対して正義の怒りを感じました。
B1 adjective /rɪˈlɪdʒəs/

Religious

宗教的; 信心深い; 精神的; 宗教に関連する;
Meaning
relating to or believing in a religion; devout; spiritual;
Example
He comes from a very religious family.
彼は非常に宗教的な家庭から来ています。
B2 adjective /rɪˈspek.tɪv/

Respective

それぞれの; 各自の
Meaning
belonging to each individual; particular to each
Example
The students returned to their respective classrooms after lunch.
学生たちは昼食後、それぞれの教室に戻った。
C2 noun /ˈrɛlɪkwɛri/

reliquary

聖遺物を保管する容器
Meaning
a container for holy relics
Example
The ancient reliquary was decorated with gold and precious stones.
古代のレリクエアリは金と貴重な石で飾られていました。
B2 noun /rɪˈfɔːr.mər/

Reformer

改革者
Meaning
a person who works to bring about positive changes in society or institutions
Example
The social reformer dedicated her life to improving education for all children.
社会的な改革者は、すべての子供たちの教育を改善するために自分の人生を捧げました。
B2 noun /rɪˈhɜːr.səl/

Rehearsal

リハーサル; 公演の練習
Meaning
a practice performance of a play, concert, or other work for later public performance
Example
The final rehearsal before opening night went perfectly.
開幕前の最後のリハーサルは完璧でした。
C2 adjective /roʊˈtʌnd/

rotund

丸い
Meaning
round or plump in shape; full in sound
Example
The rotund cat struggled to climb the fence.
丸い猫はフェンスを登るのに苦労していた。
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。
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。
B1 adjective /ˌriːəˈlɪstɪk/

realistic

現実的
Meaning
having or showing a sensible and practical idea of what can be achieved or expected
Example
She gave a realistic estimate of the project's cost.
彼女はプロジェクトのコストの現実的な見積もりを出した。
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。
C1 adjective /ˈriː.fleks/

Reflex

反射
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
医師は彼女の膝を軽く叩いて反射的な反応をテストしました。
A2 noun /rɪˈleɪ.ʃən.ʃɪp/

Relationship

関係
Meaning
the way two people or groups feel and behave towards each other; a connection between two things
Example
They have a very close relationship.
彼らは非常に親密な関係を持っています。
C1 verb/noun /ˈrɛlɪʃ/

relish

楽しむ / 調味料
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
彼女は海外旅行の機会を大いに楽しんでいました。