relevancy
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B2 noun /ˈrɛlɪvənsi/

relevancy

Meaning
the quality of being closely connected or appropriate
Example
The professor questioned the relevancy of the example to the topic.
B2 noun /ˈruːlɪŋ/

ruling

Meaning
an official decision made by a judge or authority.
Example
The court’s ruling favored the defendant.
B2 noun ˌriːfɔːˈreɪʃən

reforestation

Meaning
The natural or intentional restocking of existing forests and woodlands that have been depleted.
Example
Reforestation efforts are crucial to restoring ecosystems.
C1 noun ˈremnənts

remnants

Meaning
A small remaining quantity of something; a surviving trace.
Example
The remnants of the wall are still visible.
A2 verb /reɪz/

raise

Meaning
To lift or move something to a higher position; to increase; to bring up.
Example
She raised her hand to ask a question.
B2 noun /ˈreɪ.zən/

Raisin

Meaning
dried grape
Example
She added raisins to the oatmeal cookies for extra sweetness.
A2 verb /rɪˈmuːv/

remove

Meaning
to take something away; to eliminate or delete
Example
Please remove your shoes before entering the house.
B2 adjective /rɪˈliːvd/

relieved

Meaning
feeling happy and less worried after something stressful has been removed or resolved
Example
She felt relieved after hearing the good news.
C2 noun /rɪˈfrɪndʒənsi/

refringency

Meaning
The ability of a substance to bend light; refractive power.
Example
Glass has a higher refringency than water.
C1 verb /rɪˈklaɪn/

recline

Meaning
To lean or lie back in a relaxed position.
Example
She reclined on the sofa with a book.
B2 noun /ˈreɪ.zɪnz/

Raisins

Meaning
dried grapes, often used in cooking and baking
Example
She added raisins to the oatmeal cookies for extra sweetness.
C1 adjective /ˈrɛvərənt/

reverent

Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
C1 noun /ˈriːpər/

reaper

Meaning
a person or machine that cuts and gathers crops
Example
The reaper moved slowly through the golden fields.
B1 noun /ruːt/

route

Meaning
a way or course taken to get from one place to another
Example
The best route to the airport is through the highway.
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.
A2 noun /ˈriːdɪŋ/

reading

Meaning
the action or skill of reading
Example
Reading is one of my favorite hobbies.
B2 noun /ræntʃ/

ranch

Meaning
a large farm where animals such as cattle or sheep are raised
Example
They own a huge cattle ranch in Texas.
C2 adjective /ˈroʊziət/

roseate

Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
C1 noun /rɪˈflɛktər/

reflector

Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
C1 adjective /rɪˈflek.sɪv/

Reflexive

Meaning
directed back on itself; showing deep thought about oneself
Example
She became more reflexive about her behavior after the feedback.
C2 noun /ˌrɛtəˈrɪʃən/

rhetorician

Meaning
A person who is skilled in the art of rhetoric or persuasive speaking/writing.
Example
The rhetorician captivated the audience with his eloquence.
C1 noun ˈredʒ.ɪ.strɑːr

registrar

Meaning
An official responsible for keeping records or registers.
Example
The registrar oversees all administrative tasks.
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.
A2 noun /rɪˈfrɪdʒ.ər.eɪ.tər/

Refrigerator

Meaning
an appliance for keeping food and drinks cold
Example
Please put the milk in the refrigerator to keep it fresh.
A2 verb /rɪˈsiːv/

receive

Meaning
to get or accept something given; to welcome
Example
She receives a gift from her friend.
B1 verb /rɪˈliːs/

release

Meaning
to set free; to allow something to escape or go away
Example
The prisoner was released after ten years.
B2 noun /reɪk/

Rake

Meaning
a garden tool with a long handle and prongs for gathering leaves; to gather with a rake
Example
He used a rake to gather the fallen autumn leaves.
B2 noun /rɪˈbel.jən/

Rebellion

Meaning
an act of armed resistance to an established government or leader
Example
The rebellion against the king lasted for three years.
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.
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.
B1 noun /rɪˈvɪʒ.ən/

Revision

Meaning
the action of revising; a revised edition or form of something; review of subject matter
Example
The students spent hours doing revision for their final exams.
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
C1 noun /ˈrem.nənt/

Remnant

Meaning
a small remaining quantity of something; a piece of cloth left over after the main piece has been used
Example
Only a remnant of the ancient wall remains.
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C2 noun /ˈrɛdʒɪsaɪd/

regicide

Meaning
the act of killing a king
Example
The conspirators were executed for committing regicide.
B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

Meaning
the act of becoming fully aware of something as a fact
Example
Her realization of the problem helped solve the issue.
A2 noun rɪˈsɜːtʃ

research

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.
B2 adjective /rɪˈnjuː.ə.bəl/

renewable

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

Roast

Meaning
Meat cooked by dry heat in an oven or over an open fire
Example
The Sunday roast was perfectly cooked and very tender.
C2 verb /ˈreə.rɪ.faɪ/

rarefy

Meaning
To make something less dense or more refined.
Example
The air rarefies as you climb higher into the mountains.
B1 adjective /rɪˈmeɪnɪŋ/

remaining

Meaning
still existing or left after others are gone or dealt with
Example
There were only a few remaining tickets for the concert.
B2 noun /ˌref.jʊˈdʒiː/

Refugee

Meaning
a person who has been forced to leave their country in order to escape war, persecution, or natural disaster
Example
The refugee camp provided temporary shelter for thousands of displaced families.
C1 noun /rɪˈzʌmp.ʃən/

Resumption

Meaning
the action of beginning something again after a pause or interruption
Example
The resumption of classes will be announced next week.
C1 adjective /rɪˈɡrɛtfəl/

regretful

Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
B2 noun /ˈraɪdər/

rider

Meaning
A person who rides a horse, bicycle, motorcycle, or other vehicle.
Example
The rider fell off the horse.
C2 noun, adjective, verb /ˈrɛprəˌbeɪt/

reprobate

Meaning
A person of immoral character; to express disapproval of; morally corrupt.
Example
The old reprobate spent his days gambling and drinking.
C1 noun rɪˈdʒɛn.ər.ə.tɪv ˈfɑːr.mɪŋ

regenerative farming

Meaning
Agricultural practices that improve soil health and biodiversity.
Example
Regenerative farming improves soil fertility and biodiversity.
B2 noun /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

Meaning
the quality of being regular; occurring at fixed intervals or in a consistent pattern
Example
The regularity of his exercise routine helped him stay healthy.
C1 noun /rɪˈpɔːrtɪʒ/

reportage

Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
B2 verb /ˈroʊ.teɪt/

rotate

Meaning
to turn around a central point or axis
Example
The Earth rotates on its axis once every 24 hours.
C1 noun /rɪˈmɪt.əns/

Remittance

Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
C2 verb /rɪˈɡeɪl/

regale

Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
B1 adjective /roʊˈmæn.tɪk/

Romantic

Meaning
relating to love; idealistic; dreamy
Example
They enjoyed a romantic dinner by candlelight.
A2 noun /ˈrʌnɪŋ/

running

Meaning
the action or sport of running
Example
Running every morning keeps me healthy.
C1 verb /ˌriːˈkæst/

recast

Meaning
To present or change something in a different form or style.
Example
The director decided to recast the role with a younger actor.
C2 noun /roʊˈtʌn.də.ti/

rotundity

Meaning
the quality of being round or plump
Example
The rotundity of the balloon made it float gracefully.
C1 noun ˈrez.ɪ.djuː

residue

Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
C2 noun /rɪˈfræk.tər/

refractor

Meaning
A type of telescope that uses lenses to focus light.
Example
Refractor telescopes use lenses to focus light.
B2 adjective /ˈræp.ɪd/

Rapid

Meaning
happening in a short time or at a fast pace
Example
The rapid growth of technology has changed our daily lives.
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
C1 verb /rɪˈvɪər/

revere

Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
B2 verb /ˈreɡjəleɪt/

regulate

Meaning
to control or maintain according to rules or laws
Example
The government regulates food safety.
B2 noun /ˈreɪʃoʊ/

ratio

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.
C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

Meaning
To make or feel young, healthy, or energetic again.
Example
A vacation can rejuvenate the mind and body.
B1 preposition /rɪˈɡɑrdɪŋ/

regarding

Meaning
concerning or relating to
Example
The decision regarding the meeting will be made tomorrow.
B1 verb /rɪˈviːl/

reveal

Meaning
to make known or show something that was hidden
Example
The investigation revealed the truth.
B1 noun /rɪˈfjuːz/

Refuse

Meaning
waste material; garbage; to decline or reject something
Example
Please put the refuse in the designated bins.
B2 verb /ˈruːɪn/

ruin

Meaning
to destroy or damage beyond repair; to spoil completely
Example
Heavy rain could ruin our picnic plans.
B2 adjective /ræʃ/

rash

Meaning
Acting quickly without careful consideration; reckless.
Example
It was a rash decision to invest without research.
B2 noun /ˈriːzənɪŋ/

reasoning

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.
C1 adjective /ˈrez.ə.luːt/

Resolute

Meaning
determined; having a firm decision; unwavering
Example
She remained resolute in her decision to pursue her dreams.
B2 verb /ˈrɛkən/

reckon

Meaning
To think, believe, or expect something; to calculate or estimate.
Example
I reckon it will rain later today.
C1 verb /rɪˈmɪt/

remit

Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
C1 noun /rɪˈtrækʃən/

retraction

Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
B2 adjective /rɪˈzɜːrvd/

Reserved

Meaning
slow to reveal emotion or opinions; restrained in manner
Example
She is quite reserved and doesn't talk much in meetings.
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.
B2 adjective /rɪˈzɪl.i.ənt/

resilient

Meaning
Able to withstand or recover quickly from difficult conditions.
Example
Resilient materials ensure durability.
C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

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.
B1 noun rɪˌspɒnsəˈbɪlɪti

responsibility

Meaning
The state or fact of having a duty to deal with something or of having control over someone.
Example
Taking responsibility for one's actions is a sign of maturity.
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

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.
B2 noun /rɪˈfjuː.zəl/

Refusal

Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
C1 verb /riːˈkæptʃər/

recapture

Meaning
To take back or regain possession of something.
Example
The army managed to recapture the lost territory.
A2 noun /ˈruːlər/

ruler

Meaning
A person who governs or controls a country; a straight-edged tool used for measuring or drawing lines
Example
The ruler drew a straight line on the paper while the king was a powerful ruler of his kingdom.
C2 verb /rɪˈkænt/

recant

Meaning
to withdraw or renounce a statement or belief formally
Example
He recanted his previous statement in court.
B1 noun /ˈrʌbər/

rubber

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.
C1 adjective /ˈroʊtəri/

rotary

Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
A2 noun /ˈrɛsɪpi/

recipe

Meaning
a set of instructions for preparing a particular dish, including a list of the ingredients required
Example
I found a great recipe for chocolate cake.
B1 noun rəʊlz

Roles

Meaning
A person's or thing's function in a particular situation.
Example
Defined roles improve team performance.
C1 noun /ˈruːbrɪk/

rubric

Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
C2 adjective /rəˈkoʊkoʊ/

rococo

Meaning
characterized by ornate detail and elaborate decoration, especially in art, architecture, and design
Example
The palace was decorated in a lavish rococo style.
B2 adverb /rɪˈpɔːtɪdli/

reportedly

Meaning
according to what is said or believed, although not confirmed
Example
The company has reportedly agreed to the new terms.
C1 verb /rænt/

rant

Meaning
to speak or shout in an angry, uncontrolled way
Example
He ranted about the unfair treatment at work.
A2 noun ˈrɛlətɪvz

Relatives

Meaning
A person connected by blood or marriage; a kinsman or kinswoman.
Example
Relatives can help you build a complete family tree.
C2 noun /ˈruː.mɪ.nənt/

ruminant

Meaning
a cud-chewing mammal, such as a cow or sheep
Example
Cows are ruminants that chew cud.
B2 noun /rʌst/

Rust

Meaning
reddish-brown coating formed on iron or steel by oxidation; corrosion
Example
The old car was covered in rust after years of neglect.
B2 noun /raɪˈnɒs.ər.əs/

Rhinoceros

Meaning
a large, heavy animal with thick skin and one or two horns on its nose
Example
The rhinoceros charged through the grassland.
C1 noun /rʌk/

Ruck

Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
C1 adjective /ˈreɪ.kɪʃ/

Rakish

Meaning
having a dashing, jaunty, or slightly disreputable quality or appearance
Example
He wore his hat at a rakish angle that gave him a charming appearance.
B1 adjective /ˈrʊr.əl/

Rural

Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
C1 verb /ˈrʌsl/

rustle

Meaning
To make a soft, light sound like leaves or paper moving.
Example
The leaves rustled gently in the evening breeze.
A1 adjective /raʊnd/

round

Meaning
having a circular shape; shaped like a sphere or disk
Example
The table was round and had a smooth surface.
C1 verb /rɪˈdrɛs/

redress

Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
B2 verb /rɪˈteɪn/

retain

Meaning
to keep possession of something
Example
The company decided to retain its experienced employees.
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.
B2 noun ˈrɛstɪŋ pleɪs

resting place

Meaning
A place where someone or something rests, especially a burial site.
Example
The resting place of the martyrs is near the river.
B2 adjective /ˈroʊlɪŋ/

rolling

Meaning
moving in gentle undulations; moving forward by turning over and over
Example
They drove through the rolling hills of the countryside.
A1 noun /raɪs/

Rice

Meaning
a cereal grain that is a staple food in many countries
Example
We eat rice with curry for dinner.
B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

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.
C1 verb /ˌriːəˈdʒʌst/

readjust

Meaning
To change or move something again in order to achieve a better fit, condition, or balance.
Example
He readjusted the chair to make it more comfortable.
C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
B2 noun /rɪˈzembləns/

Resemblance

Meaning
the state of being alike or similar; similarity in appearance or character
Example
There's a strong resemblance between the two sisters.
C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

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.
A2 verb /riːtʃ/

reach

Meaning
to arrive at a destination; to extend one's arm to touch something
Example
We will reach the station in ten minutes.
B2 adjective ˌrev.əˈluː.ʃən.ər.i

revolutionary

Meaning
Involving or causing a complete or dramatic change.
Example
Revolutionary ideas are reshaping the industry.
C1 adjective /rɪˈdʒɛn.ə.rə.tɪv/

regenerative

Meaning
Able to restore or renew damaged environments, soil, or resources.
Example
Regenerative farming improves soil health and biodiversity.
A2 adjective /ruːd/

Rude

Meaning
impolite; discourteous; lacking civility; rough or harsh in manner
Example
It was rude of him to interrupt the meeting.
B1 verb /rɪˈtaɪə/

retire

Meaning
to stop working after reaching a certain age or having completed a career
Example
She decided to retire after working for 40 years.
B2 noun ˌrɛzɪɡˈneɪʃən

resignation

Meaning
The acceptance of something undesirable but inevitable; giving up.
Example
Her resignation from the position was unexpected.
B1 noun rɪˈsɜː.tʃəz

researchers

Meaning
People who study and investigate to discover new information or facts.
Example
Researchers are working on innovative solutions.
C1 verb /rɪˈzaʊnd/

resound

Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
C1 verb /riːˈfɜːrbɪʃ/

refurbish

Meaning
To renovate or redecorate something, especially a building.
Example
The company decided to refurbish its old office.