cost-efficient
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B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

Meaning
Achieving maximum productivity with minimum wasted effort or expense.
Example
Cost-efficient solutions benefit industries.
B2 noun/adjective /səˈvɪliən/

civilian

Meaning
a person not in the armed forces or police
Example
The area was evacuated to protect the civilians.
B2 noun /tʃɔːr/

chore

Meaning
A routine task, especially a household duty.
Example
Washing the dishes is my least favorite chore.
B2 noun /kənˈsɪstənsi/

consistency

Meaning
The quality of always behaving or performing in a similar way; uniformity.
Example
Consistency in quality is key to customer satisfaction.
B2 noun /kənˈtroʊlər/

controller

Meaning
a person or device that manages, directs, or regulates something
Example
The game controller made it easy to play the video game.
B2 verb /kənˈfrʌnt/

confront

Meaning
to face someone or something directly, especially in a challenge or conflict
Example
She had to confront her fears before making the speech.
B2 noun /ˈkæbɪnət/

Cabinet

Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
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.
B2 adjective kənˈven.ʃən.əl

conventional

Meaning
Based on or in accordance with what is generally done or believed; traditional, standard, customary.
Example
Many farmers still use conventional farming methods.
B2 adjective /kəʊˈhɪə.rənt/

coherent

Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.
B2 noun /kɒd fɪʃ/

Cod fish

Meaning
A large marine fish with white flesh, commonly used for food
Example
The fisherman caught a large cod fish in the North Atlantic.
B2 noun /ˈkaʊnsələr/

councillor

Meaning
an elected member of a local council who helps make decisions and represent the community
Example
The councillor spoke to residents about improving local roads.
B2 noun /ˈtʃɪk piː/

Chick pea

Meaning
round beige legume; protein-rich pulse used in various dishes
Example
Soak the chick peas overnight before cooking them for better digestion.
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 noun /kraɪˈtɪəriə/

criteria

Meaning
Standards or principles by which something is judged or decided.
Example
The candidates were evaluated based on strict criteria.
B2 verb /kəmˈpraɪz/

comprise

Meaning
To consist of or be made up of something.
Example
The committee comprises five members.
B2 verb /ˈkɒnvɪkt/

convict

Meaning
to find someone guilty of a crime in a court of law
Example
The court convicted him of theft.
B2 adjective /kəmˈpærətɪv/

Comparative

Meaning
involving comparison between two or more things; relative
Example
The study showed comparative results between different teaching methods.
B2 noun /kɒk/

Cock

Meaning
an adult male chicken
Example
The cock crowed loudly at dawn to wake everyone up.
B2 verb /kənˈtæmɪneɪt/

contaminate

Meaning
To make something impure, dirty, or harmful by contact with a poisonous or polluting substance.
Example
The river was contaminated by industrial waste.
B2 noun ˈkɑː.bən

carbon

Meaning
The chemical element of atomic number 6, occurring as diamond, graphite, and charcoal.
Example
Carbon emissions must be controlled.
B2 noun /ˈsɜːrkɪt/

circuit

Meaning
A roughly circular line, route, or movement that starts and ends at the same place; also an electrical pathway.
Example
The runners completed the circuit around the park.
B2 noun /ˈklʌstər/

cluster

Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
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.
B2 noun /ˈsen.tɪ.piːd/

Centipede

Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
B2 adjective /ˈsɛntɪɡreɪd/

centigrade

Meaning
Relating to the Celsius temperature scale, where water freezes at 0° and boils at 100°.
Example
The weather forecast predicted 30 degrees centigrade.
B2 adjective /ˈkræŋki/

cranky

Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
B2 noun /kæf/

Calf

Meaning
a young cow or bull; young of various large mammals
Example
The calf stayed close to its mother.
B2 noun /kəmˈpliːʃən/

completion

Meaning
the action or process of finishing something
Example
The completion of the project will take another few weeks.
B2 noun /kəˈlɛstərɒl/

cholesterol

Meaning
a fatty substance found in the blood, high levels of which can cause health problems
Example
High cholesterol can increase the risk of heart disease.
B2 verb /ˈkɒnstɪtjuːt/

constitute

Meaning
To make up, form, or establish something.
Example
These documents constitute the legal agreement between the two parties.
B2 noun /ˈklær.ɪ.ti/

clarity

Meaning
The quality of being coherent and intelligible; transparency or lucidity.
Example
The speaker's clarity made the concept easy to understand.
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
B2 noun ˈsɜːrkjələr ɪˈkɒnəmi

circular economy

Meaning
An economic system aimed at eliminating waste and the continual use of resources through reuse, sharing, repair, refurbishment, remanufacturing and recycling.
Example
Adopting a circular economy can reduce waste.
B2 noun /ˈkaʊn.tər/

counter

Meaning
a flat surface in a shop, bank, or kitchen where transactions or work are done
Example
The cashier stood behind the counter.
B2 adjective /kræmpt/

cramped

Meaning
uncomfortably small or restricted
Example
The room was so cramped that we could barely move.
B2 adjective /keɪˈɒtɪk/

Chaotic

Meaning
in a state of complete confusion and disorder
Example
The situation became chaotic after the announcement.
B2 noun /ˈkeɪ.ɒs/

Chaos

Meaning
complete disorder and confusion; a state of total confusion with no order
Example
The earthquake caused chaos in the city as buildings collapsed and people panicked.
B2 adjective /ˈkɒmɪkəl/

comical

Meaning
Funny in a strange or silly way; amusing.
Example
His comical expressions made everyone laugh.
B2 noun/verb /ˈkɒmplɪmənt/

complement

Meaning
something that completes or goes well with something; to add something that enhances or improves
Example
The scarf complements her outfit perfectly.
B2 verb /ˈkæt.ɪ.ɡə.raɪzd/

categorized

Meaning
Placed in a particular class or group.
Example
The city was categorized as highly polluted.
B2 noun /kənˈstreɪnt/

constraint

Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
B2 noun /ˈsɜːr.tən.ti/

Certainty

Meaning
firm conviction that something is the case; the quality of being reliably true
Example
We can say with certainty that the project will be completed on time.
B2 adjective /kəmˈpæʃənət/

Compassionate

Meaning
feeling or showing sympathy and concern for others who are suffering
Example
The compassionate nurse took extra time to comfort the worried patients.
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 /ˌkɔːrpəˈreɪʃən/

corporation

Meaning
A large company or group of companies that is legally recognized as a single entity.
Example
The corporation invested heavily in renewable energy projects.
B2 noun /ˌkrɛd.ɪˈbɪl.ɪ.ti/

credibility

Meaning
The quality of being trusted and believed in; trustworthiness.
Example
His credibility as a leader remains unquestioned.
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.
B2 noun ˈkrɪt.ɪ.kəl ˈθɪŋ.kɪŋ

critical thinking

Meaning
The objective analysis and evaluation of an issue in order to form a judgment.
Example
Critical thinking helps in making informed decisions.
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
B2 adjective /kənˈdɪʃ.ən.əl/

Conditional

Meaning
dependent on certain conditions; not absolute
Example
The job offer is conditional upon passing the background check.
B2 noun ˈkæp.sjuːl

capsule

Meaning
A small soluble case of gelatin containing a dose of medicine, swallowed whole.
Example
Capsules contain controlled environments.
B2 noun /ˈkɒləni/

colony

Meaning
a territory or community controlled by another country or group of people
Example
India was once a British colony.
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 /ˈsel.jə.lər/

Cellular

Meaning
relating to cells; consisting of cells; relating to mobile phone technology
Example
Cellular technology has revolutionized communication.
B2 noun/verb /krɪˈtiːk/

critique

Meaning
A detailed analysis and assessment of something, especially a literary, philosophical, or political theory; to evaluate critically.
Example
The professor asked the students to critique each other's essays.
B2 noun /ˈtʃæpəl/

chapel

Meaning
A small church or a room used for Christian worship, often within a larger building.
Example
The couple got married in a small countryside chapel.
B2 verb /ˈkʌltɪveɪt/

cultivate

Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
B2 verb /ˈkærəktəraɪz/

characterize

Meaning
to describe or portray the distinctive features or qualities of someone or something
Example
The author characterizes the hero as brave and selfless.
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.
B2 adjective /ˈkaʊntləs/

countless

Meaning
too many to be counted; innumerable
Example
There are countless stars in the sky.
B2 noun /kraɪˈtɪəriən/

criterion

Meaning
A standard or rule used to make a judgment or decision.
Example
Honesty is an important criterion for this job.
B2 noun /ˌsɜː.kjʊˈleɪ.ʃən/

circulation

Meaning
The movement of blood through the body, or the movement of any fluid through a closed system.
Example
Proper circulation ensures that oxygen and nutrients reach every cell.
B2 noun /ˈkɒpə/

copper

Meaning
a reddish-brown metal used for electrical wiring, coins, and more
Example
Copper is a good conductor of electricity.
B2 noun /ˈkɒm.pɒ.stɪŋ/

composting

Meaning
The process of recycling organic waste into fertile fertilizer.
Example
Composting reduces waste and enhances soil fertility.
B2 adjective /kəmˈpoʊzd/

composed

Meaning
calm and in control of oneself; made up of or formed from
Example
He remained composed even under pressure.
B2 noun /ˌkɑn.trəˈdɪk.ʃən/

Contradiction

Meaning
a combination of statements, ideas, or features which are opposed to one another; inconsistency
Example
There was a clear contradiction between his words and his actions.
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.
B2 adjective /kənˈtɛntɪd/

contented

Meaning
Feeling or expressing happiness and satisfaction.
Example
She was contented with her simple life.
B2 verb /kənˈtɛnd/

contend

Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
B2 adjective /ˈkʌltʃəd/

cultured

Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
B2 verb /kəˈlæps/

collapse

Meaning
to fall down or inward suddenly; to break down completely
Example
The old building collapsed after the earthquake.
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
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 /ˈkæʃ.uː nʌt/

Cashew Nut

Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
B2 adjective /ˈtʃuː.zi/

Choosey/Choosy

Meaning
very careful in choosing; selective; particular about what one likes or accepts
Example
He's very choosy about the restaurants where he eats.
B2 verb /kənˈstreɪn/

constrain

Meaning
to limit or restrict someone or something; to force or compel
Example
The new regulations constrain businesses from polluting the environment.
B2 noun /kəmˈpæʃ.ən/

Compassion

Meaning
sympathetic concern for the sufferings or misfortunes of others; deep awareness of suffering with a desire to help
Example
She showed great compassion towards the homeless children by providing them food and shelter.
B2 noun /kriːk/

creek

Meaning
a small stream or narrow river
Example
We went fishing by the creek near our house.
B2 noun /kəˈlɪʒ.ən/

Collision

Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
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.
B2 adjective ˌkɒn.trəˈvɜː.ʃəl

controversial

Meaning
Giving rise to public disagreement or heated discussion.
Example
The policy remains controversial.
B2 noun /ˈkæʃuː nʌts/

Cashew nuts

Meaning
kidney-shaped nuts from the cashew tree, commonly eaten as snacks or used in cooking
Example
Cashew nuts are often used in Indian sweets and curries.
B2 noun /krɑk pɑt/

Crock pot

Meaning
an electric cooking pot that cooks food slowly at low temperatures
Example
I put the chicken and vegetables in the crock pot before going to work.
B2 noun /krɪˈeɪtə/

creator

Meaning
a person who brings something into existence
Example
He is the creator of many successful startups.
B2 noun /kəˈrɪz.mə/

charisma

Meaning
Compelling attractiveness or charm that can inspire devotion in others.
Example
His charisma helped him become a great leader.
B2 adjective /kəˈrɛspɒndɪŋ/

corresponding

Meaning
matching or related to something
Example
The corresponding page in the book explains the process in detail.
B2 preposition /kənˈsɜːnɪŋ/

concerning

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

classification

Meaning
the action or process of classifying something into groups based on shared characteristics.
Example
The classification of animals helps in understanding their biology.
B2 noun ˌkɒn.stɪˈtjuː.ʃən

constitution

Meaning
A body of fundamental principles or established precedents according to which a state is governed.
Example
Constitutional reforms ensure equity.
B2 adjective, noun /ˈkɑːmənpleɪs/

commonplace

Meaning
ordinary or unremarkable; something that is usual or commonly found
Example
Smartphones have become commonplace in modern life.
B2 noun ˈkɔːrəl ˈriːfs

Coral Reefs

Meaning
Underwater structures made from calcium carbonate secreted by corals, forming diverse marine ecosystems.
Example
Saint Martin's Island is known for its coral reefs.
B2 verb /ˈtʃɛrɪʃ/

cherish

Meaning
To hold something dear, to love and protect, or to keep a hope or memory alive.
Example
She cherishes the memories of her childhood home.
B2 noun /koʊˈɪn.sɪ.dəns/

Coincidence

Meaning
a remarkable occurrence of events or circumstances without apparent causal connection; chance happening
Example
It was a strange coincidence that they both wore the same dress to the party.
B2 noun /ˈklɪərəns/

clearance

Meaning
official permission or authorization; the removal of something unwanted; the distance between two objects
Example
The pilot received clearance to land the plane.
B2 noun /ˌkɑː.bəʊˈhaɪ.dreɪts/

carbohydrates

Meaning
Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a primary source of energy for the body.
Example
Whole grains are a great source of healthy carbohydrates.
B2 noun /ˈkɒn.trɪ.bjʊ.tər/

contributor

Meaning
a person who gives something to help achieve a result
Example
He was a regular contributor to the local newspaper.
B2 noun ˌkɒnsəlˈteɪʃən

consultation

Meaning
The action of consulting or discussing; a meeting with an expert or professional to seek advice.
Example
Consultation was essential.
B2 noun /ˌkoʊəˈlɪʃən/

coalition

Meaning
a temporary alliance of distinct parties, persons, or states for joint action
Example
Several parties formed a coalition to pass the new law.
B2 adjective /kənˈtɛmpərɛri/

contemporary

Meaning
belonging to the same time period; modern
Example
She enjoys contemporary art exhibitions.
B2 adjective /ˈkrɒnɪk/

chronic

Meaning
Lasting for a long time or constantly recurring, often describing illness.
Example
She suffers from chronic back pain.
B2 adverb /kənˈtɪnjuəli/

Continually

Meaning
without stopping; repeatedly
Example
She continually checked her phone for messages.
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.
B2 adjective kɒnˈtek.stju.əl

contextual

Meaning
Depending on or relating to the circumstances or setting; context-dependent.
Example
Contextual meaning changes depending on usage.
B2 adjective ˌkæt.əˈstrɑː.fɪk

catastrophic

Meaning
Involving or causing sudden great damage or suffering.
Example
Climate change has catastrophic consequences.
B2 noun /ˈkɒmənˌteɪtər/

commentator

Meaning
a person who reports and discusses events, especially on TV or radio
Example
The commentator described the football match in detail.
B2 adjective/verb /kəˈrʌpt/

corrupt

Meaning
dishonest or morally wrong; to make something impure or evil
Example
The politician was accused of corrupt practices.
B2 noun /kəˈmɪʃənər/

commissioner

Meaning
an official in charge of a particular department or area
Example
The police commissioner addressed the media about the incident.
B2 verb kəˈlæbəreɪt

collaborate

Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
B2 adjective /ˈklɪn.ɪ.kəl/

clinical

Meaning
Related to the observation and treatment of patients rather than theoretical study.
Example
The doctor conducted a clinical examination.
B2 verb /kənˈvɜːs/

converse

Meaning
to have a conversation; to talk together
Example
They conversed about literature for hours.
B2 noun /ˈkɒn.flɪkt ˌrez.əˈluː.ʃən/

conflict resolution

Meaning
The process of finding peaceful solutions to disputes or disagreements between parties.
Example
Conflict resolution is vital for global peace.
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.
B2 adverb /ˈtʃiːfli/

chiefly

Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
B2 adjective /ˈklʌm.zi/

clumsy

Meaning
awkward in movement or lacking skill
Example
He is so clumsy that he drops things all the time.
B2 noun /ˈkɒmpɪtəns/

competence

Meaning
the ability to do something successfully or efficiently
Example
Her competence as a manager impressed the board.
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
B2 adjective /kənˈvɪnsɪŋ/

Convincing

Meaning
believable; credible; persuasive; able to make someone believe something
Example
His convincing argument won over the entire jury.
B2 noun /ˈkaʊn.səl.ər/

counselor

Meaning
a person trained to give guidance on personal, social, or psychological problems
Example
The school counselor helped the student deal with stress.
B2 adjective /kɔːrs/

coarse

Meaning
Rough in texture or manner; not smooth or refined.
Example
The fabric felt coarse to the touch.
B2 noun /ˌkɒmplɪˈkeɪʃən/

complication

Meaning
A problem or difficulty that makes a situation harder to deal with.
Example
His illness led to serious complications after surgery.