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B1 noun /kənˈstrʌk.ʃən/

construction

Meaning
The building of something, typically a large structure.
Example
Construction dust significantly contributes to pollution.
C2 verb /ˌkɒntrəˈvɜːrt/

controvert

Meaning
to dispute or argue against; to contradict
Example
The scientist controversed the previous research findings.
C1 noun kəˈmjuːnɪti ˈsɜːrvɪs aɪˈdiːəlz

community service ideals

Meaning
Principles and standards of serving the community for social good.
Example
Community service ideals must be taught in schools.
B1 noun /kræb/

Crab

Meaning
a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers
Example
The crab scuttled sideways across the sand.
B2 verb /ˈkeɪtər/

cater

Meaning
To provide food, drinks, or services, usually for an event or group.
Example
The company catered the wedding reception.
B2 noun /ˈkɒm.ɪt/

Comet

Meaning
a celestial object consisting of ice and dust that develops a tail when approaching the sun
Example
Halley's Comet appears in the sky every 76 years.
B1 verb /kæst/

cast

Meaning
to throw; to choose actors for a play; to shape metal
Example
The fisherman casts his line into the water.
A2 noun /ˈkrɪk.ɪt/

Cricket

Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
C2 adjective /ˈkʌsɪd/

cussed

Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
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.
C2 noun /kənˈkɔːrdəns/

concordance

Meaning
Agreement; also an alphabetical index of the principal words in a book.
Example
There is a strong concordance between the two reports.
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.
C2 noun /kənˈtɔːrʃən/

contortion

Meaning
a twisted or bent shape; the act of twisting out of the normal shape
Example
The gymnast's contortion amazed the audience.
B2 adjective /ˈkrɛd.ɪ.bəl/

credible

Meaning
able to be believed; convincing
Example
Her explanation was credible enough to convince the committee.
B2 adjective ˌkɒn.stɪˈtjuː.ʃən.əl

constitutional

Meaning
Relating to an established set of principles governing a state; in accordance with a political constitution.
Example
Constitutional reforms ensure fairness in the system.
A2 noun /ˈkɒf.i ˈmeɪ.kər/

Coffee maker

Meaning
an electric appliance used to brew coffee automatically
Example
I use my coffee maker every morning to brew fresh coffee.
C1 noun /kənˈdəʊləns/

condolence

Meaning
An expression of sympathy, especially on the occasion of death.
Example
She offered her sincere condolence to the grieving family.
B1 adverb /ˈkʌrəntli/

currently

Meaning
at the present time; now
Example
He is currently working on a new project.
B2 noun ˈkɛmɪkəl weɪst

chemical waste

Meaning
Waste material from industrial or laboratory processes that contains harmful chemicals.
Example
Chemical waste pollutes water bodies.
C1 verb /ˈsɪvɪlaɪz/

civilize

Meaning
to bring a society or group to a more developed, organized, or socially acceptable state; to educate and refine behavior
Example
Education can help civilize communities by promoting shared values and respect.
A2 verb /kənˈteɪn/

contain

Meaning
to have or include within; to restrain or control
Example
This box contains important documents.
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.
C1 verb /klæsp/

clasp

Meaning
to grasp or hold tightly; also a device for fastening
Example
She clasped her hands together in prayer.
B2 adjective /kəˈrɛspɒndɪŋ/

corresponding

Meaning
matching or related to something
Example
The corresponding page in the book explains the process in detail.
B1 noun /tʃest/

Chest

Meaning
the front surface of a person's or animal's body between the neck and abdomen; a large strong box
Example
The doctor listened to his chest with a stethoscope.
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.
C1 noun /ˈkɒnsjʊlət/

consulate

Meaning
the building or office where a consul works
Example
He went to the consulate to renew his visa.
B2 noun /sərˈkʌmfərəns/

circumference

Meaning
the distance around the edge of a circle
Example
The teacher asked us to calculate the circumference of the circle.
B2 noun /kənˈtɛmpt/

contempt

Meaning
a strong feeling of dislike and lack of respect towards someone or something
Example
He spoke with contempt about the corrupt officials.
C2 noun /kəˈnaɪ.vəns/

connivance

Meaning
the act of secretly allowing or being involved in wrongdoing
Example
The theft happened with the connivance of the security guard.
B2 adjective /kræmpt/

cramped

Meaning
uncomfortably small or restricted
Example
The room was so cramped that we could barely move.
C2 noun /ˈkɒn.tjʊ.mə.si/

contumacy

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

chiropodist

Meaning
A healthcare professional who diagnoses and treats foot problems.
Example
The chiropodist treated her painful corns and calluses.
A1 verb /kɔːl/

call

Meaning
to say something loudly; to telephone someone; to name
Example
Please call me when you arrive home.
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.
B2 noun /kənˈdʒes.tʃən/

congestion

Meaning
A situation in which a place is too blocked or crowded, causing difficulties.
Example
Urban congestion leads to longer travel times.
C2 noun /ˈkɒmɪti/

comity

Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
B1 adjective /ˈtʃɪli/

chilly

Meaning
uncomfortably or unpleasantly cold
Example
It was a chilly morning in December.
B2 noun /kəˈtæstrəfi/

catastrophe

Meaning
A sudden and widespread disaster or misfortune.
Example
The earthquake was a catastrophe for the entire region.
C1 adjective /ˈkjuːmjələtɪv/

cumulative

Meaning
Increasing gradually by addition; growing in quantity, force, or effect.
Example
The cumulative effect of stress can harm your health.
B2 noun /ˌkɒrəˈspɒndənt/

correspondent

Meaning
A journalist who reports news from a particular place or on a particular subject.
Example
The foreign correspondent reported live from Paris.
B1 noun /ˌsiːiːˈoʊ/

ceo

Meaning
The highest-ranking person in a company, responsible for overall management.
Example
The CEO announced a new strategy for the company.
B2 adjective /kənˈsɜːvətɪv/

conservative

Meaning
Favoring traditional views and values; resistant to change.
Example
He has conservative views on family and society.
C1 noun /ˈkævərn/

cavern

Meaning
a large cave or chamber in a cave
Example
The explorers entered a dark cavern beneath the mountain.
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
C2 noun, verb /ˈkæŋkər/

canker

Meaning
A fungal disease of plants; an ulcerous sore in the mouth; to corrupt or destroy slowly
Example
The tree was infected with a canker that damaged its bark.
A2 verb /ˈkɑːpi/

copy

Meaning
to make an identical reproduction of something
Example
Please copy this document for the meeting.
B2 verb /kriːp/

creep

Meaning
to move slowly and quietly; to make someone feel uncomfortable
Example
She crept quietly up the stairs to avoid waking anyone.
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.
B1 noun /ˈkærɪdʒ/

carriage

Meaning
a vehicle, typically a four-wheeled one, used for transporting goods or people, especially in the past
Example
The royal family traveled in a beautiful carriage during parades.
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
A2 noun /kæmp/

Camp

Meaning
a place where soldiers live temporarily; a place with tents or huts for temporary accommodation
Example
The military established a camp near the border.
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 adjective /klæd/

clad

Meaning
dressed or covered in a particular way
Example
The knight was clad in shining armor.
C1 adjective /kəmˈpleɪsənt/

complacent

Meaning
showing self-satisfaction and a lack of concern about potential dangers or problems
Example
The team grew complacent after a few victories and stopped practicing hard.
B2 noun /ˈkɒn.ʃəs.nəs/

consciousness

Meaning
The state of being aware of and able to think about one's existence, sensations, thoughts, and surroundings.
Example
Meditation helps improve consciousness and clarity of thought.
C1 noun /səˈvɪləti/

civility

Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
B2 adjective /ˈkɔːstli/

costly

Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
C1 noun /kəmˈpəʊ.ʒər/

composure

Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
B1 adjective /ˈkæʒ.u.əl/

Casual

Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
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.
C2 adjective /kənˈsʌmptɪv/

consumptive

Meaning
Relating to or characterized by consumption; historically used to describe someone suffering from tuberculosis.
Example
The doctor advised against consumptive habits.
B2 adjective ˈkɒɡnɪtɪv

cognitive

Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
C2 verb /kənˈvoʊk/

convoke

Meaning
to call together or summon a meeting or assembly
Example
The committee convoked an emergency session to discuss the crisis.
C1 noun /ʃəˈreɪd/

charade

Meaning
an absurd pretense or act intended to deceive; also a word-guessing game
Example
The trial was nothing more than a political charade.
B2 adjective /kənˈvɪnsɪŋ/

Convincing

Meaning
believable; credible; persuasive; able to make someone believe something
Example
His convincing argument won over the entire jury.
C1 noun /kəˈθɑːrsɪs/

catharsis

Meaning
The process of releasing strong emotions, providing relief.
Example
Writing in her diary was a form of catharsis for her.
B1 adjective /ˈkɒn.fɪ.dənt/

Confident

Meaning
self-assured; certain; having belief in one's abilities
Example
She felt confident about her performance in the exam.
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.
B2 noun kəˈmɪʃ.ən

commission

Meaning
An official group of people entrusted by a government with a particular function.
Example
The commission recommends constitutional reforms.
B2 noun /ˈkɑːrɡoʊ/

cargo

Meaning
goods carried by a ship, plane, or other transport
Example
The ship was loaded with valuable cargo.
C2 noun /kəmˈpɛndiəm/

compendium

Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
B1 noun /kəʊˌɒp.ərˈeɪ.ʃən/

cooperation

Meaning
The process of working together to the same end.
Example
Cooperation ensures effective problem-solving.
B1 noun /ˈsɪt.ɪ.zənz/

citizens

Meaning
A legally recognized subject or national of a state or commonwealth.
Example
Citizens must follow pollution regulations.
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
C2 adjective /sɛnˈtrɪpɪtəl/

centripetal

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

clog

Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
B1 noun /ˈkɛmɪstri/

chemistry

Meaning
the branch of science that studies substances and their interactions; also the emotional connection between people
Example
They have great chemistry and work well together.
B2 noun /ˌkɒrəˈleɪʃən/

correlation

Meaning
a mutual relationship or connection between two or more things
Example
Researchers found a strong correlation between diet and heart disease.
B2 verb /kənˈsiːd/

concede

Meaning
to admit something is true or valid, often reluctantly
Example
She finally conceded that she was wrong.
A2 noun কন্ডিশন

condition

Meaning
A particular state of health or physical fitness; a medical problem.
Example
The condition worsens without proper treatment.
C1 verb /kənˈdəʊn/

condone

Meaning
To accept or allow behavior that is morally wrong or offensive.
Example
The manager refused to condone harassment in the workplace.
C2 noun /ˈklɔɪstər/

cloister

Meaning
a covered walk in a convent, monastery, or cathedral, typically with a wall on one side and a colonnade open to a quadrangle on the other.
Example
The monks walked silently through the cloister.
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
B2 noun /kənˈvɪk.ʃən/

conviction

Meaning
A firmly held belief or opinion.
Example
She spoke with conviction, making everyone believe her.
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.
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.
B1 noun /ˈkɒkˌteɪl/

cocktail

Meaning
a mixed drink typically containing alcohol and other ingredients.
Example
She ordered a cocktail at the bar.
C1 adjective /kənˈdjuː.sɪv/

conducive

Meaning
Making a certain situation or outcome likely or possible; contributing to or helping to bring about.
Example
A quiet environment is conducive to studying.
B2 noun /kəˈkeɪn/

cocaine

Meaning
a powerful and addictive illegal drug made from coca leaves
Example
He was arrested for possessing cocaine.
B1 noun /ˌkɒmbɪˈneɪʃən/

combination

Meaning
The act of joining or mixing two or more things together.
Example
This dish is a perfect combination of sweet and spicy flavors.
C1 noun /koʊˈɜː.ʃən/

coercion

Meaning
The practice of persuading someone to do something by using force or threats.
Example
Cybercriminals use coercion to extract information.
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.
A2 noun ˌkɒmpəˈtɪʃən

competition

Meaning
The activity or condition of competing; rivalry for supremacy.
Example
Competition grew between language groups.
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.
A2 noun kɒsts

Costs

Meaning
An amount that has to be paid or spent to buy or obtain something.
Example
Reducing costs improves profit margins.
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.
C2 noun /ˈkʌvən/

coven

Meaning
a group or gathering of witches
Example
The witches met secretly in a coven in the forest.
B2 noun /ˈkɒŋɡrɛs/

congress

Meaning
a formal meeting or assembly, especially of representatives for discussion
Example
The international congress on climate change will be held next year.
B1 verb /kənˈsʌlt/

consult

Meaning
To seek advice or information from someone with expertise.
Example
You should consult a doctor before starting the treatment.
C2 noun /ˈkɒliər/

collier

Meaning
a person who works in coal mines or a ship carrying coal
Example
The collier spent long hours underground extracting coal.
B1 adjective /ˈkeɪ.pə.bəl/

Capable

Meaning
having the ability, fitness, or quality necessary to do or achieve something; competent
Example
She is capable of handling complex problems.
B2 noun, adjective /ˈkɒrəl/

coral

Meaning
a hard, rock-like marine organism formed by tiny sea animals; a pinkish-orange color resembling coral
Example
The coral in the reef provides shelter for many sea creatures.
A1 noun /kɑːrd/

card

Meaning
A small, flat piece of stiff paper or thin cardboard used for various purposes, such as identification, greetings, or playing games.
Example
She handed me her business card after the meeting.
B2 noun /ˈkɑː.bən ˈfʊt.prɪnt/

carbon footprint

Meaning
The amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person, group, etc.
Example
Reducing carbon footprint is essential for combating climate change.
C2 verb /kənˈvʌls/

convulse

Meaning
to shake violently; to suffer sudden involuntary contractions
Example
The patient convulsed during the seizure.
C2 noun /ˈkɒɡneɪt/

cognate

Meaning
a word related to another word in origin; having the same linguistic root
Example
The Spanish word 'madre' and the English word 'mother' are cognates.
C1 adjective /ˈkrɛdɪtəbl/

creditable

Meaning
Deserving praise or acknowledgment, though not necessarily outstanding.
Example
She made a creditable effort in completing the project on time.
C2 noun /ˈtʃæm.pæk/

Champak

Meaning
a fragrant yellow or white flower from a tree native to South Asia, used in perfumes and religious ceremonies
Example
The champak tree in the temple courtyard bloomed with golden flowers.
C1 noun /krəˈvæs/

crevasse

Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
C1 noun /kəˈmɪtl̩/

committal

Meaning
The action of sending a person to prison or a mental hospital; also the act of committing something to a particular place.
Example
The judge ordered the committal of the accused to custody.
B2 adjective /kəˈmɛndəbl̩/

commendable

Meaning
deserving praise or approval
Example
Her dedication to the project was truly commendable.
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.
C2 noun /kænt/

cant

Meaning
Hypocritical and insincere talk, especially about moral or religious principles.
Example
The politician's speech was filled with cant about honesty and integrity.
C2 adjective /kənˈtraɪt/

contrite

Meaning
feeling or showing remorse or guilt
Example
She was contrite after realizing her mistake.
C2 verb /kəˈlʌmnieɪt/

calumniate

Meaning
To make false and damaging statements about someone; to slander.
Example
He was furious when he realized they had calumniated his reputation.
C2 noun /ˈkæt.kɪn/

Catkin

Meaning
a drooping, often tasseled cluster of small flowers found on willow and birch trees
Example
The willow tree's catkins swayed gently in the spring breeze.
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 /ˈsɪtəˌdɛl/

citadel

Meaning
A fortress protecting or dominating a city.
Example
The ancient citadel stood guard over the town for centuries.