rejuvenation
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C1 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

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.
B2 noun/adjective /rɪˈpʌblɪkən/

republican

Meaning
a member or supporter of a republican political party or system
Example
The republican candidate won the election.
C1 verb /rɪˈmjuːnəreɪt/

remunerate

Meaning
To pay someone for services or work done.
Example
The company will remunerate employees fairly for their overtime.
B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

Meaning
Designed for people to live in.
Example
The institution was fully residential.
C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
C1 verb /rɪˈbʌt/

rebut

Meaning
to argue against or prove wrong; to refute
Example
The lawyer rebutted the false accusations with strong evidence.
B1 adjective /roʊˈmæn.tɪk/

Romantic

Meaning
relating to love; idealistic; dreamy
Example
They enjoyed a romantic dinner by candlelight.
B2 adjective /rɪˈfreʃ.ɪŋ/

Refreshing

Meaning
making one feel energized and renewed; pleasantly new or different
Example
The cool breeze was refreshing after the hot day.
B1 adjective /rʌf/

Rough

Meaning
having an uneven surface; not smooth; harsh
Example
The rough surface of the rock hurt my hands.
C1 noun/verb /ˈræfəl/

raffle

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.
C1 verb /ˈræn.də.maɪz/

randomize

Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
C2 noun /ˈriːdʒənt/

regent

Meaning
a person who rules in place of a monarch when the monarch is absent or too young
Example
The prince acted as regent until the king came of age.
B2 noun /rɪˈmeɪnz/

remains

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.
C1 verb rɪˈlɪŋ.kwɪʃ

relinquish

Meaning
To give up any authority, responsibility, or property.
Example
He decided to relinquish his position as CEO.
A2 noun /roʊl/

role

Meaning
a part or function of something
Example
Her role in the project was crucial.
B1 adjective /rɪˈlækst/

relaxed

Meaning
free from tension or stress; calm and comfortable
Example
She felt relaxed after listening to soft music.
B2 noun /ˈroʊstɪd miːt/

Roasted meat

Meaning
meat cooked by dry heat in an oven or over fire
Example
The roasted meat was perfectly seasoned and tender.
C1 verb /riˈɪtəreɪt/

reiterate

Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
C2 noun /ˈrɪɡməˌroʊl/

rigmarole

Meaning
a long, complicated, and confusing process or story
Example
Getting a visa was such a rigmarole of paperwork and interviews.
C1 verb /ˈrɪvɪt/

rivet

Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
B2 noun /red liːf/

Red leaf

Meaning
red-colored leafy vegetable; amaranth leaves used as greens
Example
Red leaf is rich in iron and is commonly eaten in Bengali households.
B2 adjective /rɪˈnjuː.ə.bəl/

renewable

Meaning
Able to be renewed or replaced naturally; not depleted when used.
Example
Renewable resources minimize environmental damage.
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.
B2 verb /rɪˈɡeɪn/

regain

Meaning
to get back something that was lost; to recover
Example
He regains his strength after the illness.
C2 adjective /raɪˈpɛə.ri.ən/

riparian

Meaning
Relating to or situated on the banks of a river or other watercourse.
Example
Riparian vegetation helps prevent soil erosion along rivers.
C2 verb /rɪˈmɒnstreɪt/

remonstrate

Meaning
To make a forceful protest or objection.
Example
Citizens remonstrated against the new tax policy.
B2 noun ˌreɪdɪˈeɪʃən

radiation

Meaning
The emission of energy as electromagnetic waves or as moving subatomic particles.
Example
Radiation from the sun can be harmful without protection.
C2 noun /ˈrɛdʒɪsaɪd/

regicide

Meaning
the act of killing a king
Example
The conspirators were executed for committing regicide.
C1 adjective /rɪˈper.ə.bəl/

Repairable

Meaning
able to be fixed or mended; capable of being repaired
Example
The broken phone is repairable with the right parts.
C1 noun /rɪˈteɪnər/

retainer

Meaning
a fee paid in advance to secure someone's services, or a device that holds something in place
Example
The lawyer asked for a retainer before taking the case.
B2 verb /ˈrɛnəˌveɪt/

renovate

Meaning
to restore something old to a good state or to improve it
Example
They decided to renovate the old house before moving in.
C2 noun /ræpˈskæliən/

rapscallion

Meaning
A mischievous or cheeky person; a rascal.
Example
The little rapscallion hid his brother’s shoes as a prank.
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/verb /rɪˈproʊtʃ/

reproach

Meaning
An expression of disapproval or disappointment; to criticize someone for doing wrong.
Example
She reproached him for arriving late to the meeting.
C1 verb /reɪv/

rave

Meaning
to speak or write about something with great enthusiasm or admiration
Example
Critics rave about the new movie.
C2 noun /ræŋˈɡuːn ˈkriːpər/

Rangoon creeper

Meaning
A climbing vine with fragrant flowers that change color from white to pink to red
Example
The Rangoon creeper covered the entire fence with its sweet-smelling flowers.
C1 adjective /ˈraɪtfəl/

rightful

Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

Meaning
Fierce and merciless rivalry or contest, without pity or compassion.
Example
Ruthless competition for power leads to societal issues.
C1 adjective /ˈræmpənt/

rampant

Meaning
existing or spreading unchecked, often in an undesirable way
Example
Corruption was rampant in the city administration.
C1 noun /rɪˈsaɪtl/

recital

Meaning
A performance of music, dance, or poetry, usually by a soloist.
Example
She gave a piano recital at the concert hall.
B2 adverb /rɪˈɡɑrdləs/

regardless

Meaning
without paying attention to the current situation or condition
Example
She will go to the party regardless of the weather.
B1 noun /ˈrɪðəm/

rhythm

Meaning
a strong, regular, repeated pattern of movement or sound
Example
The rhythm of the music made everyone want to dance.
C2 noun /ruːd/

rood

Meaning
a crucifix, especially one positioned above the entrance to the chancel of a church
Example
The old church displayed a carved rood above the altar.
B2 verb /rɪˈvɜːs/

reverse

Meaning
to change something to the opposite direction, position, or result
Example
She quickly reversed the car out of the driveway.
C1 noun/verb /rɪˈpoʊz/

repose

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.
C1 adjective /ˈraʊ.di/

Rowdy

Meaning
disorderly; unruly; noisy and disruptive
Example
The rowdy children were making too much noise.
C1 noun /ˈrɛtɪsəns/

reticence

Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
C1 noun /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

Meaning
A local administrator or official who coordinates activities in a specific region.
Example
The resident coordinator welcomed all representatives.
A2 noun /ˈreɪl.weɪ/

Railway

Meaning
a track made of steel rails along which trains run; a system of tracks with trains, stations, and other facilities
Example
The railway connects major cities across the country.
A2 verb /rɪˈpleɪs/

replace

Meaning
to take the place of something or someone; to put something new in place of something old
Example
He decided to replace the broken lamp with a new one.
C1 verb /ˌriːˈvæmp/

revamp

Meaning
To give a new and improved form, structure, or appearance to something.
Example
The company decided to revamp its website for a modern look.
C2 noun /rɪˈkɒɡnɪzəns/

recognizance

Meaning
A legal obligation or bond entered into before a court, especially to ensure future appearance.
Example
He was released on his own recognizance.
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

Meaning
A person chosen or appointed to act or speak for another or others.
Example
The representative addressed critical issues.
C1 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
B2 noun /ˌrɛvəˈleɪʃən/

revelation

Meaning
A surprising and previously unknown fact, especially one made known in a dramatic way.
Example
The book was full of shocking revelations about the politician.
C1 noun /rɪˈpjuːt/

repute

Meaning
the opinion generally held of someone or something; reputation
Example
He is a scholar of great repute in his field.
C1 adjective rɪsk-ədˈʤɛstɪd

risk-adjusted

Meaning
Modified or calibrated to account for risk factors in investment returns.
Example
Risk-adjusted returns consider both potential profit and loss.
C2 noun /ˈrɛk.tɪ.tjuːd/

rectitude

Meaning
Morally correct behavior or thinking; righteousness and integrity.
Example
His rectitude earned him respect in society.
B2 verb /ˈreɪn.dʒɪŋ/

ranging

Meaning
Extending or varying between limits.
Example
The temperatures are ranging from 15 to 30 degrees this week.
C1 noun /rɪdʒ/

ridge

Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
B2 verb /rɪˈkɜːr/

recur

Meaning
to happen again, especially repeatedly or at regular intervals
Example
The headache tends to recur every few weeks.
B1 noun /rɪˈliːf/

Relief

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.
A2 preposition /riː/

re

Meaning
concerning or about (used in formal letters or emails)
Example
The letter was sent re your recent application.
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

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.
C1 verb /ˌriːˈtʌtʃ/

retouch

Meaning
To improve or repair a picture, photograph, or image by making small changes.
Example
The photographer retouched the image to remove blemishes.
C1 noun /rɪˈdʒɪdəti/

Rigidity

Meaning
inability to bend or be forced out of shape; unwillingness to change or compromise
Example
The rigidity of the old system prevented any innovation.
B2 noun /ˈrɛnəˌsɑːns/

renaissance

Meaning
a revival of art, culture, or learning; a period of renewed interest and growth
Example
The city experienced a cultural renaissance during the 1990s.
C1 noun /roʊz ˈber.i/

Rose berry

Meaning
a type of berry with rose-like characteristics or flavor
Example
The rose berry has a delicate floral taste that reminds me of roses.
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
C2 verb (archaic/rare) /rɛk/

reck

Meaning
To care about or be concerned with (something); to have regard for.
Example
He does not reck the dangers of his actions.
C1 adjective /ˈriːɡəl/

regal

Meaning
Resembling or fit for a king; majestic or royal.
Example
The queen entered the hall with a regal presence.
C1 noun /rʌsk/

Rusk

Meaning
a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit
Example
The baby enjoyed eating the soft rusk with milk.
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 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
A2 noun /rɪˈzʌlt/

result

Meaning
a consequence, effect, or outcome of something
Example
The result of the test was excellent.
B1 noun /ruːt/

Root

Meaning
the part of a plant that grows underground; the basic cause, source, or origin of something
Example
We need to find the root of this problem to solve it permanently.
C1 noun /ruːz/

Ruse

Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
B2 noun /reɪˈʒiːm/

regime

Meaning
a system or form of government, often authoritarian
Example
The military regime controlled the country for decades.
C1 adjective /ˈraʊzɪŋ/

rousing

Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
B1 noun, verb /ˈrɒkɪt/

rocket

Meaning
a missile or vehicle propelled by a rocket engine; to increase or move very quickly
Example
The company’s profits rocketed after the new product launch.
C1 noun rɪˈfaɪnmənt

refinement

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.
C1 adjective rɪˈlɛntləs

relentless

Meaning
Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.
Example
The freedom fighters' relentless struggle led to victory.
B2 verb /rɪˈzɛmbəl/

resemble

Meaning
to look like or be similar to something or someone
Example
She resembles her mother in both appearance and mannerisms.
B2 verb /rɪˈkleɪm/

reclaim

Meaning
To take back or recover something; to restore to a usable state.
Example
The farmer worked to reclaim the barren land.
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

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.
C1 noun /ˌrɛpəˈreɪʃən/

reparation

Meaning
the making of amends for a wrong done by paying money or helping those who were wronged
Example
The government offered reparations to the victims of the conflict.
A1 noun, verb /rɛst/

rest

Meaning
to cease work or movement in order to relax or recover strength
Example
He needs to rest after the long journey.
B2 adjective /ˈruː.mi/

Roomy

Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
C1 verb /ˈrek.ən.saɪl/

reconcile

Meaning
Restore friendly relations between; cause to coexist in harmony.
Example
They tried to reconcile their differences through open communication.
B1 noun ˈreɪn.fɒr.ɪst

rainforest

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.
C1 adjective /rɪˈpʌl.sɪv/

Repulsive

Meaning
extremely unpleasant; causing strong dislike or disgust
Example
The smell of rotten eggs was absolutely repulsive.
C2 verb /ˌriːkruːˈdɛs/

recrudesce

Meaning
to break out or appear again after a period of dormancy or decline
Example
After months of calm, violence recrudesced in the region.
C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
B1 noun /raɪs ˈkʊkər/

Rice cooker

Meaning
an electric appliance designed to cook rice automatically
Example
The rice cooker automatically switches off when the rice is perfectly cooked.
B2 noun /ˈrɔɪəlti/

royalty

Meaning
Members of a royal family or payment made to the owner of a patent, copyright, or natural resource.
Example
The author receives a royalty for every book sold.
B2 noun /ˈruːlɪŋ/

ruling

Meaning
an official decision made by a judge or authority.
Example
The court’s ruling favored the defendant.
B1 verb /rɪˈper/

repair

Meaning
to fix something that is broken or damaged
Example
The mechanic will repair the car's engine tomorrow.
B2 adjective /ˈræʃ.ən.əl/

Rational

Meaning
based on reason and logic; sensible and practical
Example
She made a rational decision based on the available facts.
A2 noun /ruːf/

roof

Meaning
the top covering of a building or vehicle
Example
The roof of the house needs to be repaired.
C1 verb /ˈreɪdieɪt/

radiate

Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
B2 verb /rɪˈstrɪkt/

restrict

Meaning
To limit the size, amount, or range of something.
Example
The government decided to restrict the use of plastic bags.
C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

Meaning
a return to a worse or less developed state
Example
The country experienced economic retrogression after the crisis.
B2 noun /rɪˈmeɪn.dər/

Remainder

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.
B2 verb /rɪˈvoʊlt/

revolt

Meaning
to rebel against authority; to feel disgust
Example
The people revolted against the corrupt government.
C1 verb /rɪˈtælieɪt/

retaliate

Meaning
to make an attack in return for a similar attack
Example
The army retaliated after the enemy attack.
C1 noun ˈredʒ.ɪ.strɑːr

registrar

Meaning
An official responsible for keeping records or registers.
Example
The registrar oversees all administrative tasks.
C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

Meaning
a poisonous flowering shrub with bright red or pink flowers
Example
The red oleander blooms throughout the summer months.
A2 verb /rɪˈtɜːrn/

return

Meaning
to come or go back to a place; to give back
Example
I will return home tomorrow.
B1 noun /rɪˈwɔːd/

reward

Meaning
something given in recognition of service, effort, or achievement
Example
He received a reward for returning the lost wallet.
C1 noun /rɪˈbʌtəl/

rebuttal

Meaning
a statement or argument made to oppose or disprove another
Example
Her rebuttal was clear and convincing.
C1 adjective /rɪˈvoʊltɪŋ/

revolting

Meaning
extremely unpleasant or disgusting
Example
The smell of the garbage was revolting.
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.
C2 adjective /ˈrɛkriənt/

recreant

Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
B2 adjective /raɪp/

Ripe

Meaning
fully developed and ready to eat; mature; ready for action or use
Example
The bananas are ripe and ready to eat.
B1 verb /rɪˈlaɪ/

rely

Meaning
to depend on or trust someone or something
Example
I rely on my friends for support.
B2 adjective /ˈreɪsɪst/

racist

Meaning
showing or feeling discrimination or prejudice against people of other races
Example
He was accused of making racist comments.
C1 noun /ˈrɛl.ɪk/

relic

Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
B1 noun /ˈref.ər.əns/

Reference

Meaning
the action of mentioning or alluding to something; a source of information
Example
Please provide references to support your research claims.