C1 verb /raʊz/

rouse

目覚める

Meaning

To awaken from sleep or to stir into action.

Example

The loud alarm roused him from his deep sleep.

大きなアラームが彼を深い眠りから起こした。

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 adjective /ˈraʊzɪŋ/

rousing

興奮させる

Meaning

Exciting, inspiring, or stirring.

Example

The speaker delivered a rousing speech that moved the audience.

スピーカーは聴衆を感動させる興奮させるスピーチをしました。

B1 adverb /ˈruːdli/

Rudely

失礼に

Meaning

in an impolite or discourteous manner

Example

He rudely interrupted the speaker during the presentation.

彼はプレゼン中に話者を失礼に遮った。

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 /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。

A1 adverb /ˈriː.ə.li/

Really

本当に; 実際に; とても

Meaning

actually; truly; very much

Example

I really enjoyed the concert last night.

昨晩のコンサートは本当に楽しめました。

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。

A1 adjective /raʊnd/

round

丸い

Meaning

having a circular shape; shaped like a sphere or disk

Example

The table was round and had a smooth surface.

テーブルは丸くて、滑らかな表面がありました。

A2 noun /ruːl/

rule

規則

Meaning

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

Example

There are strict rules about safety in the lab.

実験室には安全に関する厳しい規則があります。

B1 noun /rɪˈsep.ʃən/

Reception

歓迎; 受け入れ; イベント;

Meaning

the action of receiving something or someone; a formal social occasion held to welcome someone

Example

The wedding reception was held at a beautiful hotel.

結婚式のレセプションは美しいホテルで行われました。

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。

B2 verb /rɪˈkʌvərɪŋ/

recovering

回復

Meaning

the process of getting better after illness, loss, or difficulty

Example

She is still recovering from the flu.

彼女はまだインフルエンザから回復しています。

C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

要求

Meaning

An official order laying claim to the use of property or materials; a formal demand or request.

Example

The manager submitted a requisition for new office supplies.

マネージャーは新しいオフィス用品のためのレクイジションを提出しました。

C2 adjective /ˈruːmi/

rheumy

涙目

Meaning

Watery, especially referring to the eyes.

Example

His rheumy eyes showed signs of age and fatigue.

彼の涙目は年齢と疲れの兆しを示していた。

A1 noun /ˈrɛst(ə)rɒnt/

restaurant

レストラン

Meaning

a place where meals are prepared and served to customers

Example

We went to the restaurant for dinner.

私たちは夕食のためにレストランに行きました。

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 noun /ˌriː.dɪs.trɪˈbjuː.ʃən/

redistribution

再分配

Meaning

The sharing of wealth or resources more equally among society.

Example

The government introduced a redistribution policy to reduce inequality.

政府は不平等を減らすために再分配政策を導入しました。

C2 adjective /ˈrɛstɪv/

restive

落ち着かない

Meaning

unable to stay still or silent; restless and impatient

Example

The crowd grew restive as they waited for the concert to begin.

コンサートが始まるのを待っている間、観客は落ち着かなくなった。

C1 noun /rɪˈpen.təns/

Repentance

悔い改め

Meaning

the action of repenting; sincere regret or remorse

Example

His genuine repentance moved everyone in the courtroom.

彼の真摯な悔い改めは、法廷のすべての人々を感動させました。

C1 noun ˈremnənts

remnants

遺物

Meaning

A small remaining quantity of something; a surviving trace.

Example

The remnants of the wall are still visible.

壁の遺物はまだ見える。

C1 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

Meaning

to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment

Example

The clinic helps rehabilitate injured athletes.

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 adjective /rɪˈfræktəri/

refractory

反抗的

Meaning

Stubborn or resistant to control, authority, or treatment.

Example

The refractory child refused to follow the teacher's instructions.

反抗的な子供は教師の指示に従うのを拒否した。

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。

C1 verb /ˌrekəˈlekt/

recollect

思い出す

Meaning

to remember something; to recall from memory

Example

I can't recollect where I put my keys.

鍵をどこに置いたか思い出せません。

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。

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 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。

B1 verb /rɪˈtaɪə/

retire

引退する

Meaning

to stop working after reaching a certain age or having completed a career

Example

She decided to retire after working for 40 years.

彼女は40年間働いた後、引退することに決めました。

B2 adverb /rɪˈɡɑrdləs/

regardless

関係なく

Meaning

without paying attention to the current situation or condition

Example

She will go to the party regardless of the weather.

彼女は天気に関係なくパーティーに行きます。

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 /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 noun/verb /rɪˈpriːz/

reprise

繰り返し

Meaning

A repetition or return to an earlier theme, role, or action.

Example

The actor reprised his role in the sequel.

俳優は続編で自分の役を再演しました。

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 noun /ˈriːzənɪŋ/

reasoning

推論

Meaning

the process of thinking about something in a logical way in order to form a conclusion or judgment

Example

Her reasoning for leaving was clear and logical.

彼女の出発の推論は明確で論理的でした。

B2 adjective ˌrev.əˈluː.ʃən.ər.i

revolutionary

革命的な

Meaning

Involving or causing a complete or dramatic change.

Example

Revolutionary ideas are reshaping the industry.

革命的なアイデアが業界を再編成しています。

B2 noun ˌreɪdɪˈeɪʃən

radiation

放射線

Meaning

The emission of energy as electromagnetic waves or as moving subatomic particles.

Example

Radiation from the sun can be harmful without protection.

太陽からの放射線は保護なしでは有害である可能性があります。

C1 verb /ˈrɪdɪkjuːl/

ridicule

嘲笑する

Meaning

To make fun of someone or something in a cruel or dismissive way.

Example

He was ridiculed for his strange ideas.

彼は奇妙な考えのために嘲笑されました。

B2 noun/verb rɪˈfɔːm

reform

改革

Meaning

Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.

Example

Reform in the education system was a priority.

教育システムの改革は優先事項でした。

C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

反証

Meaning

The act of proving a statement or argument to be false or incorrect.

Example

Her essay was a strong refutation of the opposing theory.

彼女のエッセイは反対の理論に対する強い反証でした。

B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti

radioactivity

放射性

Meaning

The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

Example

Radioactivity is used in medical treatments like cancer therapy.

放射性は、がん治療のような医療に用いられている。

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。

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 adjective /ˈrændəm/

Random

ランダム

Meaning

without pattern or predetermined order; happening by chance

Example

She selected a random book from the library shelf.

彼女は図書館の棚からランダムに本を選びました。

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。

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。

C1 verb rɪˈlɪŋ.kwɪʃ

relinquish

放棄する

Meaning

To give up any authority, responsibility, or property.

Example

He decided to relinquish his position as CEO.

彼はCEOのポジションを放棄することに決めました。

B2 noun /rɪˈmeɪnz/

remains

遺物

Meaning

the parts, pieces, or substances that are left after the rest has been used or removed

Example

The remains of the meal were left on the table.

食事の残り物はテーブルに残されていた。

B2 noun /ˈreɪn.dʒər/

ranger

レンジャー

Meaning

A person responsible for protecting and managing forests, parks, or natural areas.

Example

The park ranger guided the tourists through the forest trail.

公園のレンジャーは観光客を森の小道を案内しました。

C1 adjective /rɪˈmoʊtɪd/

remoted

リモートされた

Meaning

placed at a distance; made remote

Example

The system was remoted to a secure location.

システムは安全な場所にリモートされました。

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。

B2 verb /ˈrʌm.bəl/

rumble

幸せ

Meaning

to make a continuous deep, resonant sound

Example

Thunder rumbled in the distance.

彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。

B2 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。

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 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

古いシステムに新しい技術や機能を追加すること

Meaning

The addition of new technology or features to older systems.

Example

The building underwent retrofitting to meet new safety standards.

その建物は、新しい安全基準に適応するためにレトロフィッティングされました。

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。

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。

C1 noun /ˈræʃən/

ration

配給

Meaning

a fixed amount of something, especially food, officially allowed to each person

Example

During the war, each family received a weekly ration of rice.

戦争中、各家族は毎週一定量のご飯を配給されました。

C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

不況に関する

Meaning

Relating to or characterized by economic recession.

Example

Governments introduce policies to counter recessionary effects.

政府は景気後退の影響に対処するために政策を導入しています。

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。

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。

A2 noun /ˈriː.zənz/

reasons

理由

Meaning

Causes, explanations, or justifications for an action or event.

Example

Reasons for pollution need addressing urgently.

汚染の理由は緊急に対処する必要があります。

C1 noun /ˈræftər/

rafter

小屋の梁

Meaning

One of the sloping beams that supports a roof.

Example

The old barn’s rafters were exposed.

古い納屋の小屋の梁がむき出しになっていました。

B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

レクリエーション活動; 何かを再び存在させるプロセス

Meaning

an activity that is done for enjoyment; the process of making something exist again

Example

The park provides recreation facilities for children and adults.

公園は子供と大人のためにレクリエーション施設を提供しています。

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。

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 verb /rɪˈdʒɛnəreɪt/

regenerate

再生する

Meaning

to grow or produce again; to renew or restore

Example

The lizard can regenerate its lost tail.

トカゲは失われた尾を再生できます。

B1 noun /rɪˈtaɪə.mənt/

Retirement

退職

Meaning

the action or fact of leaving one's job and ceasing to work; the period of life after leaving work

Example

He is planning his retirement after 40 years of service.

彼は40年間の勤務の後、退職を計画しています。

C1 adjective /ˈriːɡəl/

regal

王室の

Meaning

Resembling or fit for a king; majestic or royal.

Example

The queen entered the hall with a regal presence.

女王は王室のような存在感でホールに入った。

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。

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 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.

C1 adjective /rɪˈkʌr.ənt/

Recurrent

再発性の

Meaning

happening repeatedly; occurring again and again; periodic;

Example

She has been suffering from recurrent headaches for months.

彼女は数ヶ月間、繰り返す頭痛に悩まされています。

B2 adjective /ræʃ/

rash

軽率, 無謀

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

調査なしで投資するのは無謀な決断だった。

B1 noun /rɪˈleɪ.ʃən/

Relation

関係; 親戚

Meaning

the way in which two or more people or things are connected; a family member

Example

They have a strong business relation that has lasted for years.

彼らは長年続く強力なビジネス関係を持っています。

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。

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。

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。

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。

A1 verb /rʌn/

run

走る

Meaning

to move quickly on foot; to operate or function

Example

I run every morning for exercise.

私は毎朝運動のために走ります。

C2 adjective /ˈrɛkənˌsaɪləbl̩/

reconcilable

Meaning

Capable of being resolved or made consistent.

Example

Their differences are reconcilable with honest communication.

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。

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 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。

B2 adjective /ˈræp.ɪd/

Rapid

迅速な；急速な；素早い；

Meaning

happening in a short time or at a fast pace

Example

The rapid growth of technology has changed our daily lives.

テクノロジーの急速な成長は私たちの日常生活を変えました。

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。

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。

B2 noun /rɪb/

Rib

あばら骨

Meaning

one of the curved bones that protect the chest and lungs

Example

He broke his rib in the accident.

彼は事故であばら骨を折った。

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。

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。

B2 verb /rɪˈkruːt/

recruit

採用する

Meaning

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

Example

The company is trying to recruit more software engineers.

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

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 /ˌren.əˈveɪ.ʃən/

Renovation

リノベーション; 改修

Meaning

the act of renovating; restoration to a former better state

Example

The old house underwent a complete renovation last year.

その古い家は昨年完全な改修を受けました。

C1 noun /ˈreɪ.vən/

Raven

ワタリガラス

Meaning

a large, black bird with a thick bill and harsh croaking voice

Example

The raven perched on the old oak tree and cawed loudly.

ワタリガラスが古いオークの木に止まり、大きな声で鳴いた。

C1 verb /ˈrævɪdʒ/

ravage

荒廃させる

Meaning

to cause severe and extensive damage or destruction

Example

The hurricane ravaged the coastal villages.

ハリケーンは沿岸の村を荒廃させた。

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 noun /ˈrɛkjʊzənt/

recusant

反抗者

Meaning

a person who refuses to submit to authority or comply with rules

Example

The recusant opposed the new law.

反抗者は新しい法律に反対しました。

C1 verb /riˈdʒɔɪn/

rejoin

再参加する

Meaning

to join again or return to a group, place, or activity

Example

After a short break, she decided to rejoin the team.

短い休憩後、彼女はチームに再参加することに決めました。

B1 noun /rɪˈpɔːrtər/

reporter

レポーター

Meaning

a person who reports news or information

Example

The reporter interviewed several people at the scene.

レポーターは現場で数人にインタビューしました。

C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

後退的

Meaning

moving backward or returning to a worse condition

Example

The policy was seen as a retrograde step for human rights.

その政策は人権に対する後退的な一歩と見なされた。

C2 verb (archaic/rare) /rɛk/

reck

気にする

Meaning

To care about or be concerned with (something); to have regard for.

Example

He does not reck the dangers of his actions.

彼は自分の行動の危険を気にしない。

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 /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。

A2 adverb /ˈrɛə(r)li/

rarely

めったに

Meaning

not often, infrequently

Example

She rarely eats sweets because of her diet.

彼女はダイエットのため、お菓子をめったに食べません。

B2 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 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。

C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

再構成する

Meaning

to restore something to its original form or state; to reassemble

Example

The group was reconstituted after the leader returned.

リーダーが戻った後、グループは再構成されました。

B1 noun ˈreɪn.fɒr.ɪst

rainforest

熱帯雨林

Meaning

A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.

Example

The Amazon rainforest is home to millions of species.

アマゾンの熱帯雨林は数百万種の生物の家です。

A2 adjective /ˈrʌʃən/

russian

Meaning

relating to Russia, its people, or its language

Example

She is studying the Russian language at university.

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。

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.

B2 noun /ˈrɛlɪvənsi/

relevancy

Reluctant

消極的な; ためらう; 何かをすることに抵抗がある;

Meaning

unwilling; hesitant; disinclined to do something;

Example

She was reluctant to share her personal information.

彼女は個人情報を共有することに消極的でした。

C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

思い出させる

Meaning

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

Example

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

雨の匂いは私の村での子供時代を思い出させる。

C1 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。

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。

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。

C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

ローズウォーター

Meaning

a flavored water made by steeping rose petals in water, used in cooking and cosmetics

Example

She added a few drops of rose-water to the dessert.

彼女はデザートにローズウォーターを数滴加えました。

C2 verb /ˌrɛprɪˈhɛnd/

reprehend

非難する

Meaning

to express disapproval or criticism of someone or something

Example

The teacher reprehended the student for being dishonest.

先生は不正直なことで生徒を叱りました。

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。