revolutionary
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B2 adjective ˌrev.əˈluː.ʃən.ər.i

revolutionary

Meaning
Involving or causing a complete or dramatic change.
Example
Revolutionary ideas are reshaping the industry.
B2 noun /ˈraɪvəlri/

Rivalry

Meaning
competition for the same objective or for superiority in the same field; the state of being rivals
Example
The rivalry between the two teams made the match exciting.
B2 verb /rɪˈliːv/

relieve

Meaning
to make pain, distress, or difficulty less severe or serious
Example
The medicine helped relieve his headache.
B2 noun /rɪˈvaɪ.vəl/

Revival

Meaning
an improvement in the condition or strength of something; renewed interest in or attention to something
Example
There has been a revival of interest in traditional crafts.
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.
B2 noun/verb /rɪˈmɑːrk/

remark

Meaning
something that is said; a comment
Example
She made a remark about the weather.
B2 noun /rɪˈsɛs/

recess

Meaning
A short break from work or school; also a small space set back in a wall.
Example
The children played outside during recess.
B2 adjective /ˈrek.ləs/

Reckless

Meaning
acting without thinking about consequences; careless; dangerous;
Example
His reckless driving caused a serious accident.
B2 verb /ˌriːkriˈeɪt/

recreate

Meaning
to create or produce something again, especially a new version of something lost or destroyed
Example
The team recreated the lost dataset from backups.
B2 verb /ˈræl.i/

rally

Meaning
to come together for a common purpose or to recover strength or spirit
Example
The team rallied after halftime and won the match.
B2 verb /ræm/

ram

Meaning
to strike or push something with great force
Example
The truck rammed into the wall.
B2 adverb /ˈraɪtli/

Rightly

Meaning
correctly; properly; justly
Example
She rightly pointed out the mistakes in the report.
B2 adjective /ˈreɪʃəl/

racial

Meaning
relating to a race of people
Example
Racial equality is an important issue in many societies.
B2 verb /rɪˈfaɪn/

refine

Meaning
to improve by making small changes; to purify
Example
The chef refines the recipe to perfection.
B2 noun ˈrɛvənuː

revenue

Meaning
Income, especially when of a company or organization.
Example
The company's revenue grew by 10% this year.
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.
B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti

radioactivity

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.
B2 noun /ˈrɪk.ʃɔː/

Rickshaw

Meaning
a light two-wheeled passenger vehicle drawn by one or more people
Example
We took a rickshaw to reach the busy marketplace.
B2 adjective /ˈruːθ.ləs/

Ruthless

Meaning
showing no pity or compassion; cruel; merciless
Example
The ruthless dictator showed no mercy to his enemies.
B2 noun /ˈroʊ.lɪŋ pɪn/

Rolling pin

Meaning
a cylindrical tool used for rolling out dough or pastry
Example
Roll the dough flat with a rolling pin.
B2 adjective rɪˈnaʊnd

renowned

Meaning
Known or talked about by many people; famous.
Example
The renowned scientist led the reform panel.
B2 noun /ˈrʊki/

rookie

Meaning
a person who is new to an activity or organization; a beginner
Example
The rookie policeman made a few mistakes on his first day.
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 noun /rɪˈfreʃ.mənt/

Refreshment

Meaning
food and drink that is served as a light meal; something that refreshes
Example
We served light refreshments after the meeting.
B2 noun /ˈraɪfəl/

Rifle

Meaning
a gun with a long barrel that is fired from the shoulder
Example
The soldier carried a rifle during the mission.
B2 noun /ˌrɛprɪzɛnˈteɪʃən/

representation

Meaning
the action of speaking or acting on behalf of someone or something
Example
Her representation of the team was impeccable.
B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

Meaning
Rules or directives made and maintained by an authority.
Example
Strict regulations ensure fair practices.
B2 verb /ˈræm.bəl/

ramble

Meaning
to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.
Example
He rambled on about his childhood for hours.
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.
B2 noun ˌriːkənˈstrʌkʃn

reconstruction

Meaning
The action or process of reconstructing or being reconstructed.
Example
The reconstruction project took years.
B2 adjective /rɪˈspek.tə.bəl/

Respectable

Meaning
worthy of respect; having good reputation; decent
Example
He comes from a respectable family in the community.
B2 noun /rɪˈsiː.vər/

Receiver

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.
B2 verb /rɪˈɡeɪn/

regain

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

Reflective

Meaning
thoughtful; contemplative; able to reflect light or images
Example
After the meeting, he was in a reflective mood.
B2 adjective ˈræd.ɪ.kəl

radical

Meaning
Capable of bringing fundamental changes opposite to conventional beliefs or systems.
Example
The leader proposed radical economic reforms.
B2 verb /ˌriːəˈʃʊr/

reassure

Meaning
to say or do something to remove someone's doubts or fears
Example
The teacher reassured the students before the exam.
B2 noun /rɛlm/

realm

Meaning
A kingdom or domain; a field or area of activity or interest.
Example
He is well known in the realm of science.
B2 noun /rɪˈstrɪk.ʃən/

Restriction

Meaning
a limiting condition or measure; the limitation or control of someone or something
Example
There are strict restrictions on smoking in public places.
B2 adjective /rɪˈlʌktənt/

Reluctant

Meaning
unwilling; hesitant; disinclined to do something;
Example
She was reluctant to share her personal information.
B2 verb /riːp/

reap

Meaning
to cut or gather a crop; to receive as a consequence of actions
Example
Farmers reap wheat in the late summer.
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.
B2 noun /rɪˈstreɪnt/

Restraint

Meaning
the action of keeping someone or something under control; self-control
Example
She showed great restraint in not responding to the criticism.
B2 verb /roʊm/

roam

Meaning
to walk or travel without a specific destination; to wander
Example
Wild animals roam freely in the forest.
B2 adjective /ˈruː.mi/

Roomy

Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
B2 verb /ˌriːprəˈdjuːs/

reproduce

Meaning
To make a copy of something; to generate offspring.
Example
Many animals reproduce rapidly in favorable conditions.
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.
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 /ˈrest.ləs/

Restless

Meaning
unable to rest or relax; constantly moving or fidgeting
Example
The child was restless during the long car journey.
B2 noun/verb /ræft/

raft

Meaning
A flat structure made of logs or planks tied together, used as a boat or floating platform; to travel or transport on such a structure.
Example
They built a raft to cross the river.
B2 noun /reɪˈʒiːm/

regime

Meaning
a system or form of government, often authoritarian
Example
The military regime controlled the country for decades.
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.
B2 verb /rɪˈkɜːr/

recur

Meaning
to happen again, especially repeatedly or at regular intervals
Example
The headache tends to recur every few weeks.
B2 verb /riːˈɔːrɡənaɪz/

reorganize

Meaning
to arrange something again in a different way for greater efficiency or order
Example
The manager decided to reorganize the team structure.
B2 noun, verb /ræŋks/

ranks

Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
B2 adverb /ˈræp.ɪd.li/

Rapidly

Meaning
at a fast speed; quickly
Example
The company is rapidly expanding into new markets.
B2 noun /ræk/

Rack

Meaning
a framework or structure for holding or storing things
Example
She hung her coat on the rack by the door.
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
B2 noun/verb rɪˈfɔːm

reform

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.
B2 verb /ˈreɡjəleɪt/

regulate

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

Reptile

Meaning
a cold-blooded animal with scaly skin that lays eggs on land
Example
The lizard is a common reptile found in gardens.
B2 adjective /rɪˈfaɪnd/

Refined

Meaning
elegant and cultured in appearance, manner, or taste; purified
Example
She has very refined taste in art and music.
B2 noun, verb, adjective /ræŋk/

rank

Meaning
A position in a hierarchy; to place in order according to importance or quality.
Example
She quickly rose to a senior rank in the company.
B2 verb /rɪˈzuːm/

resume

Meaning
to start again after a pause or interruption
Example
We will resume the meeting after lunch.
B2 adjective /rɪˈmuːvəbəl/

removable

Meaning
able to be removed or taken away
Example
This phone has a removable battery.
B2 verb /reɪp/

rape

Meaning
to force someone to have sexual intercourse without their consent
Example
The law strictly punishes those who commit rape.
B2 adjective /ˈrʌs.ti/

Rusty

Meaning
affected by rust; out of practice; impaired by lack of recent practice
Example
My piano skills are rusty after not playing for years.
B2 noun rɪˈkruːt.mənt

recruitment

Meaning
The action of finding new people to join an organization or support a cause.
Example
Recruitment strengthens the workforce.
B2 noun /rɪm/

rim

Meaning
the outer edge or border of a circular object
Example
The coffee cup had a chip on its rim.
B2 noun, verb /ræmp/

ramp

Meaning
a sloping surface joining two different levels; as a verb, to increase or rise sharply
Example
The car drove up the ramp into the parking garage.
B2 noun /ˌrɛfəˈriː/

referee

Meaning
a person who oversees a game or match to ensure the rules are followed
Example
The referee stopped the game after a foul.
B2 noun /ˈruːmər/

Rumour

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.
B2 noun /rɪˈhɜːr.səl/

Rehearsal

Meaning
a practice performance of a play, concert, or other work for later public performance
Example
The final rehearsal before opening night went perfectly.
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.
B2 adjective /ˈrʌn daʊn/

run-down

Meaning
in a poor condition; worn out or neglected
Example
They live in a run-down house at the edge of town.
B2 verb /ˌriːˈbɪld/

rebuild

Meaning
to build something again after it has been damaged or destroyed
Example
The villagers worked together to rebuild the bridge after the flood.
B2 adjective /rɪˈzɪl.i.ənt/

resilient

Meaning
Able to withstand or recover quickly from difficult conditions.
Example
Resilient materials ensure durability.
B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

Meaning
A rule or directive made and maintained by an authority.
Example
Government regulation ensures fair business practices.
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 verb /rɪˈsaɪt/

recite

Meaning
To say aloud something learned, especially poetry or text, from memory.
Example
The child recited a poem in front of the class.
B2 noun /ˌren.əˈveɪ.ʃən/

Renovation

Meaning
the act of renovating; restoration to a former better state
Example
The old house underwent a complete renovation last year.
B2 noun /reɪdʒ/

rage

Meaning
intense anger or fury
Example
She shouted in a fit of rage after hearing the news.
B2 verb /reɪn/

reign

Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
B2 verb /rɪˈstreɪn/

restrain

Meaning
to hold back or control; to limit or restrict
Example
Please restrain your dog.
B2 adjective /ˈrɑː.ki/

Rocky

Meaning
full of rocks; unsteady; difficult
Example
The rocky path made hiking difficult for the tourists.
B2 verb /rɪp/

rip

Meaning
to tear something quickly or violently
Example
He accidentally ripped his shirt on the fence.
B2 noun /ˈrɒbər/

robber

Meaning
a person who steals property from others, often using force or threat
Example
The robber was caught after a quick police chase.
B2 noun /ˈrɪdəl/

Riddle

Meaning
a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle
Example
The ancient riddle stumped all the scholars for years.
B2 noun /ræɡ/

Rag

Meaning
a piece of old cloth used for cleaning; worn-out clothing
Example
She used an old rag to clean the dusty table.
B2 noun /ˈrest.ləs.nəs/

Restlessness

Meaning
the inability to rest or relax as a result of anxiety or boredom
Example
His restlessness during the long meeting was obvious to everyone.
B2 noun, verb /rɪər/

rear

Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
B2 adjective /ˈrɪski/

risky

Meaning
Involving the possibility of danger, harm, or loss
Example
Investing in that startup is risky but could bring high rewards.
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.
B2 verb /rɪˈfreɪn/

refrain

Meaning
To hold oneself back from doing something.
Example
Please refrain from smoking in this area.
B2 verb /rɪˈvɜːrt/

revert

Meaning
to return to a previous state, condition, or practice
Example
The system will revert to its original settings after the update.
B2 noun ˌrɛstəˈreɪʃən

restoration

Meaning
The process of returning something to its former condition.
Example
The restoration of the forest began after decades of neglect.
B2 noun /rɪˈfɔːr.mər/

Reformer

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.
B2 noun /ˈruːmər/

rumor

Meaning
a currently circulating story or report of uncertain or doubtful truth.
Example
There’s a rumor that the company will merge next year.
B2 noun /ˈruːdnəs/

Rudeness

Meaning
the quality of being impolite, discourteous, or offensive in behavior or speech
Example
His rudeness shocked everyone at the dinner party.
B2 noun /ˈruːlɪŋ/

ruling

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

relevance

Meaning
the quality or state of being closely connected or appropriate
Example
The relevance of the information was clear to everyone.
B2 noun /rɒd/

rod

Meaning
a thin straight bar, especially of metal or wood
Example
He used an iron rod to support the structure.
B2 noun /ˈraɪdər/

rider

Meaning
A person who rides a horse, bicycle, motorcycle, or other vehicle.
Example
The rider fell off the horse.
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.
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 /ˈreɪ.zər/

Razor

Meaning
a sharp-edged instrument used for shaving hair from the skin
Example
He shaved his beard with a sharp razor.
B2 noun /rɪˈlaɪ.əns/

Reliance

Meaning
the state of depending on something or someone for support or help
Example
His reliance on technology is concerning.
B2 adjective /rɪˈlaɪ.ənt/

reliant

Meaning
depending on someone or something for support
Example
The country is too reliant on imported goods.
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.
B2 noun /rɪˈmuː.vəl/

Removal

Meaning
the action of taking something away or eliminating it; dismissal from office
Example
The removal of the old furniture took all day.
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.
B2 noun /rɪˈvendʒ/

Revenge

Meaning
the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands
Example
She sought revenge against those who betrayed her trust.
B2 adverb /rɪˈlʌk.tənt.li/

Reluctantly

Meaning
in an unwilling manner; with hesitation or resistance
Example
She reluctantly agreed to help with the project.
B2 adjective /rɪˈɡret.ə.bəl/

Regrettable

Meaning
causing or deserving regret; unfortunate; deplorable
Example
It is regrettable that so many talented people left the company.
B2 adjective /ˈrɪdən/

ridden

Meaning
Full of or dominated by something unpleasant.
Example
The country was ridden with corruption.
B2 verb /rɪˈteɪn/

retain

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

Reservation

Meaning
the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval
Example
I made a reservation at the restaurant for tonight.
B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

Meaning
to think about something again, especially to change a decision or opinion
Example
She decided to reconsider her decision about moving abroad.
B2 verb /rɪˈtriːv/

retrieve

Meaning
to get something back that was lost or taken; to recover
Example
She managed to retrieve her lost phone from the taxi.
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 verb /ˌriːəˈreɪndʒ/

rearrange

Meaning
to change the order or position of something
Example
She decided to rearrange the furniture in her living room.