cybernetics
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C2 noun ˌsaɪ.bəˈnet.ɪks

cybernetics

Meaning
The science of communications and automatic control systems in both machines and living things.
Example
Cybernetics plays a crucial role in artificial intelligence.
B2 noun /ˈkoʊ.brə/

Cobra

Meaning
a venomous snake with a hood that can be spread when threatened
Example
The cobra raised its hood and hissed at the intruder.
B2 noun /ˈkɔːr.əs/

Chorus

Meaning
a large organized group of singers; a part of a song that is repeated after each verse
Example
The school chorus performed beautifully at the annual concert.
C1 noun /ˌkæm.əˈrɑː.dɚ.i/

camaraderie

Meaning
Mutual trust and friendship among people who spend a lot of time together.
Example
The camaraderie among teammates was inspiring.
A2 noun, verb /kɔɪn/

coin

Meaning
A flat piece of metal used as money; as a verb, to invent a new word or phrase.
Example
The government decided to coin a new term for the program.
A2 noun /ˈkʌstəmər/

customer

Meaning
a person or organization that buys goods or services from a store or business
Example
The shopkeeper greeted the customer with a smile.
C2 adjective /kɒnˈsæŋɡwɪn/

consanguine

Meaning
Of the same blood or origin; related by birth.
Example
The two families were consanguine through their grandparents.
C2 adjective /ˈkræbɪd/

crabbed

Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
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 adjective /kənˈtraɪt/

contrite

Meaning
feeling or showing remorse or guilt
Example
She was contrite after realizing her mistake.
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.
B1 noun /kənˈviː.ni.əns/

Convenience

Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
B2 noun /ˈkaʊnsəlɪŋ/

counseling

Meaning
professional guidance or therapy to help resolve personal or psychological problems
Example
She decided to go for counseling after feeling stressed for months.
B2 noun /ˈkaʊnsələr/

counsellor

Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
A2 noun /ˈtʃer.i/

Cherry

Meaning
a small round red or black fruit with a hard seed inside
Example
She picked fresh cherries from the tree in her garden.
B2 noun /ˈklʌstər/

cluster

Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
A2 noun /ˈkær.ɪk.tər/

Character

Meaning
the mental and moral qualities distinctive to an individual; a person in a novel, play, or film
Example
She showed great character by helping others during the crisis.
C2 noun /kɔːrˈteɪʒ/

cortege

Meaning
a solemn procession, especially for a funeral
Example
A cortege of mourners followed the hearse to the cemetery.
C2 verb /kəˈnoʊt/

connote

Meaning
To suggest or imply an additional meaning beyond the literal one.
Example
The word 'youthful' connotes energy and vitality.
A1 noun /ˈkæm.rə/

camera

Meaning
a device used for taking photographs or recording videos
Example
She bought a new camera for her photography class.
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.
A2 noun /kriːm/

Cream

Meaning
the thick white or pale yellow fatty liquid that rises to the top of milk
Example
She whipped the cream until it became fluffy.
C1 noun /ˈtʃæs.tɪ.ti/

Chastity

Meaning
the practice of refraining from extramarital or premarital sexual relations; sexual purity
Example
Many religious traditions value chastity as a virtue of moral purity.
B2 noun /ˈkaʊnsɪlər/

councilor

Meaning
an elected member of a council, especially a local government body
Example
The councilor held a public meeting to discuss local issues.
B1 noun sɪvɪˈlɪzeɪʃənz

civilizations

Meaning
The stage of human social development and organization that is considered most advanced.
Example
Ancient civilizations developed complex systems of governance.
C1 verb /ˈkʌn.dʒər/

conjure

Meaning
to summon something as if by magic; to imagine vividly
Example
The magician conjured a rabbit out of the hat.
C2 noun /ˌkælɪsˈθɛnɪks/

calisthenics

Meaning
exercises that use body weight for strength and flexibility
Example
She practices calisthenics every morning in the park.
A2 noun ˈsen.tərz

centers

Meaning
The middle point of a circle or sphere, equidistant from every point on the circumference or surface; a place or group of buildings where a specified activity is concentrated.
Example
Centers drive regional development.
B1 noun /ˈkɒnflɪkt/

conflict

Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
C1 noun, adjective /ˈsɛntənəri/ or /sɛnˈtɛnəri/

centenary

Meaning
The hundredth anniversary of a significant event; relating to a period of 100 years.
Example
The school celebrated its centenary with a grand event.
B1 noun /ˌkæl.kjəˈleɪ.ʃən/

Calculation

Meaning
a mathematical determination of the size or number of something
Example
His calculation of the total cost was accurate to the penny.
C1 adjective /ˈkoʊvərt/

covert

Meaning
hidden, secret, or not openly acknowledged
Example
The spy conducted a covert operation behind enemy lines.
B2 verb /ˈkʌltɪveɪt/

cultivate

Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
C2 noun /ˈkjʊriˌoʊ/

curio

Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
B1 noun ˈkɒn.fər.əns

conference

Meaning
A formal meeting of people with a shared interest, typically one that takes place over several days.
Example
The climate conference emphasized renewable energy.
B1 noun /klɪf/

cliff

Meaning
a high, steep face of rock or earth
Example
The waves crashed against the bottom of the cliff.
B1 noun /ˈkaʊn.səl/

council

Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
C2 noun /ˈkɒrənɛt/

coronet

Meaning
a small crown, especially one worn by a prince, princess, or noble
Example
She wore a delicate coronet on her head for the ceremony.
C2 noun /ˈkæriən/

carrion

Meaning
the decaying flesh of dead animals
Example
Vultures feed on carrion left in the fields.
A2 noun /ˈkær.ət/

Carrot

Meaning
a long pointed orange root vegetable that grows underground
Example
Carrots are rich in vitamin A.
C1 noun /kliːk/

clique

Meaning
a small, exclusive group of people
Example
The students formed a clique that excluded others.
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.
B2 verb /kənˈfes/

confess

Meaning
to admit guilt or wrongdoing; to acknowledge
Example
He confessed his mistake to his teacher.
B2 noun /kəˈtæstrəfi/

catastrophe

Meaning
A sudden and widespread disaster or misfortune.
Example
The earthquake was a catastrophe for the entire region.
B1 adjective /kəˈlɛktɪd/

collected

Meaning
calm and in control of oneself
Example
She remained calm and collected during the crisis.
B2 noun /kənˈvɜːrtər/

converter

Meaning
a device or person that changes something from one form, system, or use to another; a tool that converts data, energy, or materials
Example
The engineer used a converter to change AC power into DC power.
B2 noun /ˈkɜːr.tə.si/

Courtesy

Meaning
the showing of politeness in one's attitude and behavior toward others; a polite gesture or remark
Example
He showed great courtesy by holding the door open for elderly people.
B1 adjective /ˈtʃælɪndʒɪŋ/

challenging

Meaning
difficult in a way that tests one's abilities
Example
The mountain climb was challenging but rewarding.
B1 adjective ˈkʌltʃərəl

cultural

Meaning
Relating to the arts and to intellectual achievements.
Example
Schools organize cultural programs to honor Victory Day.
C2 noun /kənˈtrɪʃ.ən/

contrition

Meaning
the state of feeling remorseful and repentant
Example
His contrition was evident after the apology.
B2 adjective ˈkɒɡnɪtɪv

cognitive

Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
C1 noun /kæʃ/

cache

Meaning
A hidden storage of items or a high-speed memory in computing.
Example
The hikers found a cache of supplies hidden under the rocks.
B2 noun /kleɪ/

clay

Meaning
a natural material made of fine earth that becomes hard when baked, used for making pottery
Example
The artist molded the wet clay into a beautiful vase.
C1 noun /ˈkruːsɪbəl/

crucible

Meaning
a severe test or trial; a container used for heating substances to very high temperatures
Example
The team emerged stronger from the crucible of competition.
B2 noun /ˈkɒntræktər/

contractor

Meaning
a person or company that agrees to provide materials or labor to perform a service or do a job
Example
The contractor completed the building project on time.
C2 noun /ˈkʌlvərt/

culvert

Meaning
a tunnel or drain that carries water under a road or railway
Example
The heavy rainwater flowed through the culvert under the bridge.
B2 noun/verb /sɪˈmɛnt/

cement

Meaning
a powdery substance that binds materials together; to make something strong or permanent
Example
The treaty helped cement the relationship between the two countries.
C1 adjective /klænˈdɛstaɪn/

clandestine

Meaning
kept secret or done secretly, especially for illicit purposes
Example
They held a clandestine meeting late at night.
B1 verb /klæp/

clap

Meaning
To strike the palms of the hands together, usually to express approval or create a sharp sound.
Example
The audience began to clap loudly after the performance.
B2 verb /kəmˈpaɪl/

compile

Meaning
to collect information or material and put it together in a list, report, or book
Example
She compiled the research data into a detailed report.
C1 verb kəˈrɒb.ə.reɪt

corroborate

Meaning
Confirm or give support to a statement, theory, or finding.
Example
The witness corroborated the defendant's testimony.
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.
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.
B2 noun /ˈkɒmənˌtɛri/

commentary

Meaning
An expression of opinions or explanations about an event, situation, or text.
Example
The professor's commentary on the novel was insightful.
B1 noun ˈtʃɑː.dʒɪŋ

charging

Meaning
The process of supplying electrical energy to recharge a battery or power source.
Example
Electric vehicle charging stations are increasing in cities.
A2 verb /tʃiːt/

cheat

Meaning
to act dishonestly; to break rules for advantage
Example
He cheats on the exam by copying answers.
B2 verb /kəˈlæps/

collapse

Meaning
to fall down or inward suddenly; to break down completely
Example
The old building collapsed after the earthquake.
B1 noun /kəˈnuː/

Canoe

Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
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 /kriˈeɪ.ʃən/

Creation

Meaning
the action or process of bringing something into existence; something that has been made or invented
Example
The artist's latest creation was displayed at the modern art gallery.
C1 noun /ˈkæn.ɪ.bəl/

Cannibal

Meaning
a person who eats the flesh of other human beings
Example
The explorer's journal described rumors of cannibals living on the remote island.
A2 noun /ˈkʌzn/

cousin

Meaning
A child of one's uncle or aunt.
Example
My cousin is coming to visit us this weekend.
B1 noun/verb /koʊd/

code

Meaning
a system of words, letters, or symbols used to represent information or instructions
Example
He wrote a code to solve the problem on the computer.
C2 adjective /ˈkælkjʊləbl/

calculable

Meaning
Capable of being calculated, estimated, or measured.
Example
The risk involved in the project is calculable.
B2 noun /ˈkɑːmpaʊnd/

compound

Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
C2 adjective /ˈkeəwɔːn/

careworn

Meaning
Showing signs of worry, stress, or exhaustion.
Example
His careworn face revealed years of struggle.
C1 adjective /ˈkoʊpiəs/

copious

Meaning
abundant in supply or quantity
Example
She took copious notes during the lecture.
C1 adjective /ˌkævəˈlɪər/

cavalier

Meaning
showing a lack of proper concern; dismissive or offhand
Example
He had a cavalier attitude toward safety regulations.
B2 adjective kənˈsaɪs

concise

Meaning
Brief and clearly expressed without unnecessary details.
Example
A concise speech is more impactful than a long one.
B2 noun /ˈsɛmɪˌtɛri/

cemetery

Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
B1 verb /ˈkɒntrækt/

contract

Meaning
to make smaller; to enter into a formal agreement
Example
The company will contract a new supplier for materials.
C2 noun /kaɪˈmɪərə/

chimera

Meaning
A mythical creature with parts from different animals; also used to mean a fanciful illusion or unattainable dream.
Example
The idea of a perfect society is often a chimera.
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
A2 noun /klaʊd/

Cloud

Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
C1 noun /ˈkaʊərdɪs/

cowardice

Meaning
lack of courage; behavior showing fear
Example
His cowardice prevented him from speaking up.
A1 noun /ˈkʌl.ər/

color

Meaning
The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.
Example
Blue is her favorite color.
C2 verb /ˈkrɪŋ.kəl/

crinkle

Meaning
To form small creases or wrinkles.
Example
She crinkled her nose at the strange smell.
B2 noun /ˈklaɪ.mæks/

Climax

Meaning
the most intense, exciting, or important point of something; the highest or most intense point in a process
Example
The movie reached its climax during the final battle scene.
A2 verb /tʃɑːrdʒ/

charge

Meaning
to demand payment; to formally accuse; to rush forward aggressively
Example
The store charges extra for home delivery.
B2 verb /kəmˈpɛl/

compel

Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
B1 adjective /kənˈviː.ni.ənt/

Convenient

Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
A1 verb /ˈkæri/

carry

Meaning
To support and move something or someone from one place to another.
Example
She carried the bag across the street.
C1 noun /ˈʃæsi/

chassis

Meaning
the base frame of a vehicle or other wheeled machine
Example
The mechanic examined the car's chassis for damage.
C1 noun /ˈkæpɪˌlɛri/

capillary

Meaning
a very thin blood vessel that connects arteries and veins
Example
Oxygen passes from the blood into tissues through capillaries.
C2 noun /kənˈsaɪnər/

consignor

Meaning
a person or company that sends goods to be sold or transported
Example
The consignor shipped the goods to the warehouse.
B2 adjective/verb /kəˈrʌpt/

corrupt

Meaning
dishonest or morally wrong; to make something impure or evil
Example
The politician was accused of corrupt practices.
C1 verb/noun /ˈkrɒn.ɪ.kəl/

chronicle

Meaning
To record events in the order in which they happened; a written record of historical events.
Example
She decided to chronicle her journey through a blog.
C1 noun /ˈkɒndjuɪt/ or /ˈkɑːnduɪt/

conduit

Meaning
a channel or pipe for conveying water, electricity, or information
Example
The cable was placed inside a protective conduit.
C1 verb /koʊks/

coax

Meaning
to persuade someone gently or gradually to do something
Example
She managed to coax the cat out of the tree with some food.
B2 noun /ˈkrɪtɪk/

critic

Meaning
A person who judges the merits of something, especially art or literature
Example
The film critic praised the director's latest movie.
C1 noun /ˈkæzəm/

chasm

Meaning
a deep fissure in the earth's surface or a wide difference between people or ideas
Example
There was a great chasm between the two political parties.
B1 noun /ˈtʃɛərmən/

chairman

Meaning
the leader or head of a meeting, committee, or organization
Example
The chairman opened the meeting with a short speech.
B2 noun /kənˈsʌmp.ʃən/

Consumption

Meaning
The using up of a resource or the amount of a product consumed by consumers.
Example
High energy consumption leads to increased electricity bills.
A2 verb /kaʊnt/

count

Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
B1 adverb /ˈkʌrəntli/

currently

Meaning
at the present time; now
Example
He is currently working on a new project.
A2 adjective /kəˈrɛkt/

correct

Meaning
free from error; accurate
Example
The answer she gave was correct.
C1 noun /ˈkɒnstənsi/

constancy

Meaning
the quality of being faithful and dependable
Example
Her constancy in friendship is admirable.
B2 noun /kəˈroʊnə/

corona

Meaning
a crown or crown-like structure; also refers to the outer atmosphere of the sun
Example
The sun's corona was visible during the total solar eclipse.
C1 verb /ˈsenʃər/

censure

Meaning
to criticize severely; to express strong disapproval
Example
The committee censured the politician for his misconduct.
A2 noun /kɔɪnz/

coins

Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
B1 noun /ˈkʌntrisaɪd/

countryside

Meaning
land outside cities and towns; rural areas with farms, fields, and villages
Example
She enjoys the peace and beauty of the countryside.
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

Meaning
Rude in a mean-spirited and surly way.
Example
It would be churlish to refuse her kind invitation.
B2 noun /kənˈstɪtʃ.u.ənts/

constituents

Meaning
Components or elements used to create something.
Example
Proteins and vitamins are essential constituents of a healthy diet.
B2 adjective /ˈsɛl.əˌbreɪ.tɪd/

celebrated

Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
B2 adjective /kəmˈpækt/

Compact

Meaning
closely and neatly packed together; small and efficiently designed
Example
She bought a compact car that fits easily in small parking spaces.
C2 adjective /ˈkæloʊ/

callow

Meaning
Inexperienced and immature.
Example
The callow intern made several mistakes on his first day.
C2 adjective /kəˈdævərəs/

cadaverous

Meaning
Resembling a corpse; very pale, thin, or bony.
Example
His cadaverous appearance shocked everyone at the party.
A1 adjective /ˈtʃɒk.lət/

Chocolate

Meaning
a dark brown color like chocolate; the color of cocoa
Example
The chocolate brown sofa looks elegant in the living room.
C2 noun /ˈkloʊðiər/

clothier

Meaning
a person or company that makes, sells, or deals in clothes.
Example
The town’s clothier displayed fine suits in his shop window.
B2 noun /ˈkʊk.uː/

Cuckoo

Meaning
a bird known for its distinctive call and for laying eggs in other birds' nests
Example
We heard the cuckoo calling from the forest early in the morning.