centripetal
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C2 adjective /sɛnˈtrɪpɪtəl/

centripetal

Meaning
Moving or directed toward a center.
Example
Centripetal force keeps the planets in orbit around the sun.
C1 noun /ˌkɒk.əˈtuː/

Cockatoo

Meaning
a large parrot with a prominent crest that can be raised or lowered
Example
The white cockatoo raised its beautiful crest.
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
B2 noun /ˈkæp.tɪv/

Captive

Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
B2 adjective /kənˈdɪʃ.ən.əl/

Conditional

Meaning
dependent on certain conditions; not absolute
Example
The job offer is conditional upon passing the background check.
C1 verb /kəˈluːd/

collude

Meaning
To secretly cooperate or conspire with others, often for a deceitful purpose.
Example
The two companies colluded to fix prices in the market.
C1 noun /ˈkɑːrkəs/

carcass

Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
B1 noun /kraʊn/

Crown

Meaning
a circular ornamental headdress worn by a monarch as a symbol of authority
Example
The queen wore a magnificent crown during the coronation ceremony.
B1 noun /ˈsiːlɪŋ/

ceiling

Meaning
the upper interior surface of a room
Example
The ceiling of the hall was painted beautifully.
C2 noun /ˈkoʊ.tə.ri/

coterie

Meaning
a small, exclusive group of people with shared interests
Example
He belonged to a coterie of artists who met every Friday.
B2 adjective /ˈkræŋki/

cranky

Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
B1 noun /ˈkær.ə.væn/

Caravan

Meaning
a group of people traveling together, especially through desert areas
Example
The merchant caravan crossed the desert with camels carrying precious goods.
B2 noun /koʊˈɔːrdɪˌneɪtər/

coordinator

Meaning
a person who organizes people or activities so that they work well together
Example
The event coordinator managed everything perfectly.
B2 noun /kənˈstreɪnt/

constraint

Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
B1 verb /kəmˈpiːt/

compete

Meaning
to try to win or be more successful than others in a contest or activity
Example
Several companies compete for dominance in the market.
B2 noun /kaʊtʃ/

Couch

Meaning
a long upholstered seat for more than one person, typically with a back and arms
Example
The family gathered on the couch to watch a movie.
C2 noun /ˈsɜːrtɪˌtjuːd/

certitude

Meaning
Absolute certainty or conviction about something.
Example
She spoke with certitude about the outcome of the case.
C2 adjective /ˈkɒs.ɪ.tɪd/

cosseted

Meaning
pampered, treated with excessive care and attention
Example
The cosseted child always got what he wanted.
C1 noun /ˈsɛntɪˌliːtər/

centiliter

Meaning
A metric unit of capacity equal to one hundredth of a liter.
Example
The recipe calls for 20 centiliters of milk.
A2 noun /tʃeɪn/

chain

Meaning
a connected series of metal rings used for fastening or securing things; a series of connected events or businesses
Example
He wore a gold chain around his neck.
B2 noun /kɔːrd/

chord

Meaning
A group of musical notes played or sung together; also a straight line segment joining two points on a curve.
Example
She strummed a simple chord on the guitar.
C2 adjective /ˈkɒŋɡruənt/

congruent

Meaning
in agreement or harmony; having the same shape and size in geometry
Example
Their values are congruent with the goals of the organization.
A2 noun /ˈkʌm.fərt/

Comfort

Meaning
a state of physical ease and freedom from pain or constraint; relief from distress or anxiety
Example
The soft sofa provided great comfort after a long day at work.
C2 noun /kæd/

Cad

Meaning
a man who behaves dishonorably, especially toward women
Example
Everyone at the party avoided him because he was known to be a cad.
B2 adjective /ˈkæθəlɪk/

catholic

Meaning
Including a wide variety; all-embracing; relating to the Roman Catholic Church.
Example
She has catholic tastes in music, enjoying everything from jazz to opera.
C2 noun /kɔːrˈteɪʒ/

cortege

Meaning
a solemn procession, especially for a funeral
Example
A cortege of mourners followed the hearse to the cemetery.
C1 noun ˌkʌl.mɪˈneɪ.ʃən

culmination

Meaning
The highest or climactic point of something, especially as attained after a long time.
Example
The project reached its culmination after years of effort.
A2 adjective /ˈkreɪzi/

Crazy

Meaning
mentally ill; extremely foolish; wildly enthusiastic about something
Example
That's a crazy idea, but it might just work.
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

Meaning
stubborn refusal to obey authority
Example
His contumacy led to his suspension from the council.
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
C1 noun /ˈsɪvɪks/

civics

Meaning
the study of the rights and duties of citizens and how government works
Example
Civics helps students understand their responsibilities as citizens.
B2 verb /kənˈveɪ/

convey

Meaning
To communicate or make known; to transport or carry from one place to another.
Example
The teacher conveys the lesson clearly to students.
B2 adjective /ˈkʌltʃəd/

cultured

Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
B2 adverb /ˈkæʒ.u.ə.li/

Casually

Meaning
in a relaxed and informal way; without much thought or preparation
Example
He casually mentioned that he was leaving.
C1 noun /ˈkeɪ.sɪŋ/

Casing

Meaning
a cover or shell that protects or encloses something
Example
The mechanic removed the engine casing to examine the internal parts.
B1 noun /kriˈeɪ.ʃənz/

creations

Meaning
Things that have been created, especially works of art or imaginative works.
Example
His creations astonished the world.
B1 adjective /kənˈvɪnst/

convinced

Meaning
completely certain or sure about something
Example
She was convinced that he was telling the truth.
C1 noun /ˈkɒnfɪdænt/

confidant

Meaning
A person with whom one shares a secret or private matter, trusting them not to repeat it.
Example
She found a true confidant in her childhood friend.
A2 noun /ˈsen.tər/

center

Meaning
A place or building designated for a particular activity or service.
Example
The first robotic surgery center was established in Rangpur.
A2 noun, adjective /ˈkrɪstʃən/

christian

Meaning
a person who follows the religion based on the teachings of Jesus Christ
Example
She is a devoted Christian who attends church every Sunday.
B1 noun /kəmˈpəʊzə(r)/

composer

Meaning
a person who writes music, especially classical music
Example
The composer is working on a new symphony.
A2 adjective /ˈklɛvər/

clever

Meaning
Quick to understand, learn, and devise ideas or solutions; intelligent.
Example
She is clever enough to solve the puzzle quickly.
C1 noun /ˈkʌn.stə.bəl/

constable

Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
B1 noun /ˈsɪt.ɪ.zənz/

citizens

Meaning
A legally recognized subject or national of a state or commonwealth.
Example
Citizens must follow pollution regulations.
B1 adjective /ˈkæʒ.u.əl/

Casual

Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
B2 adjective ˌkɑː.bən ˈnjuː.trəl

carbon-neutral

Meaning
Having a balance between emitting carbon and absorbing carbon from the atmosphere; not adding to overall carbon emissions.
Example
The company aims to be carbon-neutral by 2030.
B2 noun /ˈkæʒ.u.əl.ti/

Casualty

Meaning
a person killed or injured in a war or accident; a victim of circumstances
Example
The hospital treated many casualties from the car accident.
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
A2 noun /ˈkɑr.pɪt/

Carpet

Meaning
a floor covering made from thick woven fabric
Example
The Persian carpet in the living room was a family heirloom.
A2 noun /ˈkʌm.pə.ni/

company

Meaning
a business organization; the presence of other people
Example
She started her own company to sell handmade products.
C2 verb /kædʒ/

cadge

Meaning
To beg or obtain something, especially food or money, without paying for it.
Example
He tried to cadge a free meal from the restaurant.
B1 noun /koʊm/

Comb

Meaning
a toothed device for arranging or cleaning the hair
Example
She used a comb to style her hair before the party.
B2 noun /kreɪn/

Crane

Meaning
a large tall bird with long legs and neck; a machine for lifting heavy objects
Example
The graceful crane stood motionless by the water's edge.
B1 noun /ˈkæləri/

calorie

Meaning
A unit of energy, often used to measure the energy content of food and drink.
Example
She checks the calorie count before eating any packaged food.
B2 noun /ˈkʌs.tə.mər rɪˈten.ʃən/

Customer Retention

Meaning
The ability of a company or product to retain its customers over some specified period.
Example
High customer retention increases business sustainability.
C2 noun ˌkɒmpjʊˈteɪʃənəl kəˌmjuːnɪˈkeɪʃən

computational communication

Meaning
Digital exchange and automated interaction; the use of computational methods and systems to facilitate communication and information sharing.
Example
Computational communication is reshaping how we share information.
B2 adjective /kəˈreɪdʒəs/

Courageous

Meaning
brave; fearless; showing courage in the face of danger
Example
The courageous firefighter rescued the family from the burning building.
A1 noun /kəmˈpjuːtə(r)/

computer

Meaning
an electronic device for storing and processing data
Example
I bought a new computer for my office work.
C2 verb /ˈkæstɪˌɡeɪt/

castigate

Meaning
To criticize someone severely or to punish harshly.
Example
The teacher castigated the students for their poor behavior.
C2 noun /klɛərˈvɔɪəns/

clairvoyance

Meaning
the supposed ability to perceive events beyond normal sensory contact; psychic insight
Example
She claimed to have clairvoyance and predicted the future.
A2 noun /ˈkæm.əl/

Camel

Meaning
a large animal with one or two humps on its back that lives in hot dry places
Example
The camel walked slowly across the desert sand.
C1 verb /ˈkriːmeɪt/

cremate

Meaning
to burn a dead body to ashes as a funeral rite
Example
According to his wishes, they cremated his body after the funeral.
A2 verb /kaʊnt/

count

Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
C1 noun /ʃəˈmiːz/

Chemise

Meaning
a woman's loose-fitting undergarment or dress hanging straight from the shoulders
Example
The vintage chemise was made of delicate lace and silk.
B1 verb kleɪmz

claims

Meaning
To take someone's life, to cause death
Example
Workplace pollution claims thousands of lives annually.
A2 adjective /ˈkʌlərfəl/

colorful

Meaning
having bright colors; full of variety or interest
Example
The festival was full of colorful decorations.
C2 verb /ˈtʃeɪ.sən/

chasten

Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
B2 adjective kəˈləʊ.ni.əl

colonial

Meaning
Relating to or characteristic of a colony or colonialism, especially involving the control of one country by another.
Example
Colonial rule suppressed local governance.
C1 noun /kɑst/

Caste

Meaning
a social class system; a hereditary class of Hindu society
Example
The ancient caste system divided society into different social groups.
C1 noun /krʌtʃ/

crutch

Meaning
a support used by someone injured to walk; also something relied upon for support or help
Example
He had to use crutches after breaking his leg.
B1 noun /ˈkɒstjuːm/

costume

Meaning
a set of clothes worn to represent a particular character, culture, or occasion
Example
She wore a beautiful costume for the Halloween party.
C2 adjective /ˈkɑːrpɪŋ/

carping

Meaning
continually complaining or finding fault in a petty way
Example
His carping attitude makes teamwork difficult.
C2 verb /ˌkaʊntərˈveɪl/

countervail

Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
B2 noun /kənˈkʌʃən/

concussion

Meaning
A temporary unconsciousness or shock caused by a blow to the head.
Example
He suffered a concussion after falling from the bike.
B2 preposition /kənˈsɜːnɪŋ/

concerning

Meaning
about or relating to something; causing worry or anxiety
Example
There are some reports concerning the new project.
B2 adverb /kənˈsɪdərəbli/

Considerably

Meaning
to a notably large degree; significantly; substantially
Example
The price has increased considerably over the past year.
C2 noun /koʊˈædʒətər/

coadjutor

Meaning
a person who helps or assists another, especially in a religious or official capacity
Example
The bishop appointed a coadjutor to assist him with his duties.
C2 noun /kroʊn/

crone

Meaning
An old woman, often one who is thin and ugly, sometimes associated with witch-like qualities.
Example
The children were scared by the story of the wicked crone in the forest.
C1 verb /ˈkrɪsən/

christen

Meaning
to give a name to someone at baptism or to name something officially
Example
They christened the ship after the queen.
B2 noun kəˈmɒd.ə.ti

commodity

Meaning
A raw material or primary agricultural product that can be bought and sold.
Example
Oil is a valuable commodity in the global market.
B2 noun /kəˈrʌp.ʃən/

Corruption

Meaning
dishonest or fraudulent conduct by those in power; the process of decay or decomposition
Example
The government launched a campaign to fight corruption in public offices.
B2 adjective /ˈkɒŋ.kriːt/

Concrete

Meaning
solid; real; tangible; actual and specific
Example
We need concrete evidence to support our claims.
C1 noun /ˈʃoʊ.və.nɪst/

chauvinist

Meaning
A person displaying excessive or prejudiced loyalty to a group, cause, or gender.
Example
He was labeled a chauvinist after his remarks about women in the workplace.
A2 noun /keɪdʒ/

Cage

Meaning
a structure with bars or wire for keeping birds or animals
Example
The parrot lives in a large cage.
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
C2 verb /kənˈtɛm/

contemn

Meaning
to treat or regard with disdain, scorn, or contempt
Example
He would never contemn honest work, no matter how humble.
B1 noun /kəˈnæl/

canal

Meaning
an artificial waterway constructed for navigation, irrigation, or drainage
Example
The canal was built to help transport goods across the region.
C2 adjective /ˈtʃɛəri/

chary

Meaning
cautious or wary about doing something
Example
She was chary of investing in the new business venture.
C2 noun /ˌkæstɪˈɡeɪʃən/

castigation

Meaning
Severe criticism or punishment for wrongdoing.
Example
The manager’s harsh castigation shocked the entire team.
C1 adjective /kənˈvɜːrdʒənt/

convergent

Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
C2 noun /kəˈlɒsəs/

colossus

Meaning
A person or thing of enormous size, importance, or ability.
Example
Einstein was a colossus in the world of science.
C2 noun /ˈtʃɜː.nɪŋ stɪk/

Churning stick

Meaning
a wooden stick used for stirring and churning butter, milk, or other liquids
Example
Grandmother used a churning stick to make fresh butter.
C1 adjective /kənˈdʒenɪtl/

congenital

Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
C1 noun /ˈkɒn.vɔɪ/

convoy

Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.
C2 verb /kəˈvɔrt/

cavort

Meaning
to jump or dance around excitedly
Example
The children cavorted happily in the garden.
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
B1 verb /ˈkæptʃər/

capture

Meaning
to take control of something or someone by force
Example
The soldiers managed to capture the enemy base.
C1 noun /ˈtʃæriət/

Chariot

Meaning
an ancient horse-drawn vehicle used in warfare and racing
Example
The warrior rode his chariot into battle with great courage.
A2 noun /kɔːrs/

course

Meaning
a direction, path, or a set of educational lessons
Example
She enrolled in a computer science course.
B2 adverb /ˈklɒkwaɪz/

Clockwise

Meaning
in the direction that clock hands move; in a circular direction from left to right
Example
Turn the valve clockwise to tighten it.
C2 noun /ˌkʌmˈʌpəns/

comeuppance

Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
C1 noun /ˈklɛmənsi/

clemency

Meaning
mercy, leniency, or forgiveness shown towards someone
Example
The judge showed clemency and reduced his sentence.
C2 noun, adjective /klɛərˈvɔɪənt/

clairvoyant

Meaning
a person who claims to have clairvoyance; having the ability to see beyond normal senses
Example
The clairvoyant predicted that she would travel abroad soon.
A2 verb /kəmˈpliːt/

complete

Meaning
to finish making or doing something; to bring something to an end
Example
She managed to complete the project on time.
B2 noun /kɔːrd/

cord

Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
B1 noun /kənˈstrʌk.ʃən/

construction

Meaning
The building of something, typically a large structure.
Example
Construction dust significantly contributes to pollution.
B2 verb /ˈkɒmprəmaɪz/

compromise

Meaning
To expose or make vulnerable to danger, suspicion, or disrepute.
Example
Excessive sharing can compromise your privacy.
C1 verb /krɪndʒ/

cringe

Meaning
To shrink back in fear, embarrassment, or discomfort.
Example
She cringed when she remembered her mistake.
B2 verb /ˈkʌltɪveɪt/

cultivate

Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
B1 adverb /ˈkɒmənli/

commonly

Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
C1 verb /kənˈkɒkt/

concoct

Meaning
to make something, especially food or a story, by mixing or inventing
Example
He concocted a story to explain his absence.
C2 verb /ˈtʃɔːrtl/

chortle

Meaning
to laugh in a breathy, gleeful way
Example
The audience chortled at the comedian's witty remarks.
C1 noun /ˈkɜːrfjuː/

curfew

Meaning
a rule requiring people to stay indoors after a certain time, usually at night
Example
The city imposed a curfew during the unrest.
C1 noun, verb /klɒt/

clot

Meaning
a thick mass of coagulated liquid, especially blood; to form such a mass.
Example
The doctor removed a blood clot from the patient.
B2 verb /ˌkɒn.trəˈdɪkt/

contradict

Meaning
to say or show the opposite of something that has been said or believed
Example
His actions contradict his words.
C2 noun /tʃæf/

Chaff

Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
C1 noun /krɪˈden.ʃəl/

credential

Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
C2 noun /ˌkɒməˈsɛəriət/

commissariat

Meaning
A department responsible for supplying food and equipment, especially in the military.
Example
The army commissariat ensured that the soldiers had enough supplies.
B2 noun kənˈtrækʃən

contraction

Meaning
The process of becoming smaller; a decrease in size or quantity.
Example
The economic contraction resulted in a rise in unemployment.
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.