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B1 adjective ˈkɒmplɛks

complex

Meaning
Having many interrelated parts or factors; complicated.
Example
The relationship between poverty and education is complex.
C2 adjective /kɔːrˈpɔːriəl/

corporeal

Meaning
relating to the physical body; material or tangible
Example
Ghosts are often described as having no corporeal form.
C1 noun /ˈkrɒkəri/

crockery

Meaning
Dishes, plates, cups, and other items made of earthenware or china.
Example
The hotel provided clean crockery for the guests.
A1 noun /kəmˈpjuːtə(r)/

computer

Meaning
an electronic device for storing and processing data
Example
I bought a new computer for my office work.
A2 noun /ˈklɑːsmeɪt/

classmate

Meaning
a person who is in the same class or course of study as another
Example
I met one of my old classmates at the university event.
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
C2 adjective /ˈkoʊltɪʃ/

coltish

Meaning
Playful, energetic, and not fully mature or disciplined.
Example
The coltish boy ran around the field without a care.
A2 verb ˈselɪbreɪt

celebrate

Meaning
To acknowledge a significant or happy day or event with a social gathering or enjoyable activity.
Example
Bangladesh celebrates Urban Planning Day on November 8.
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.
A2 noun /ˈtʃaɪldhʊd/

childhood

Meaning
the period of being a child
Example
She spent her childhood in a small village.
C1 noun /kənˈtʃɛrtoʊ/

concerto

Meaning
a musical composition for one or more solo instruments accompanied by an orchestra
Example
She played a Mozart concerto with the orchestra.
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.
A2 noun কন্ডিশন

condition

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

Crimson

Meaning
a deep purplish-red color
Example
The crimson sunset painted the sky with beautiful shades.
C2 noun /kəˈnɑːrd/

canard

Meaning
a false or unfounded story or rumor
Example
The article turned out to be nothing more than a canard.
C1 adjective /ˈkræfti/

crafty

Meaning
skilled at achieving goals through cunning or deceit; sly
Example
The crafty fox evaded the hunters again.
B2 noun /ˈkæs.ər.oʊl bɑːks/

Casserole box

Meaning
a covered dish used for cooking and serving food, especially baked dishes
Example
The casserole box kept the food warm during the dinner party.
A2 verb kriˈeɪts

creates

Meaning
To bring something into existence or to cause something to happen
Example
Pollution creates environmental and health issues.
C1 adjective /klænˈdɛstaɪn/

clandestine

Meaning
kept secret or done secretly, especially for illicit purposes
Example
They held a clandestine meeting late at night.
C1 adjective /ˈkɒnvɛks/

convex

Meaning
curved or rounded outward
Example
The lens has a convex shape to focus light.
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.
C1 noun /kənˈfaɪnmənt/

confinement

Meaning
the state of being confined or restricted
Example
The prisoner endured years of confinement.
C1 adjective /ˌkɒndɪˈsɛndɪŋ/

condescending

Meaning
having or showing an attitude of patronizing superiority
Example
Her condescending tone upset her colleagues.
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.
C2 noun /ˈkætəˌklɪzəm/

cataclysm

Meaning
A sudden and violent event that causes great destruction or upheaval.
Example
The earthquake was a cataclysm that reshaped the city.
A1 adjective /tʃiːp/

Cheap

Meaning
low in price; costing little money
Example
This restaurant serves cheap but delicious food.
B2 noun ˈkɔːʃən

caution

Meaning
Care taken to avoid danger or mistakes; a warning or piece of advice.
Example
Researchers issued a caution regarding unsustainable fishing.
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.
C1 noun /ˈkɒndɪmənts/

condiments

Meaning
Seasonings or sauces used to add flavor to food.
Example
Ketchup and mustard are popular condiments for burgers.
C2 noun/verb /ˈkɜːrtsi/

curtsy

Meaning
a respectful bow made by women by bending the knees with one foot in front of the other
Example
She gave a quick curtsy before leaving the stage.
B1 noun, adjective /ˈkrɪmɪnəl/

criminal

Meaning
A person who has committed a crime; relating to crime
Example
The police arrested a dangerous criminal last night.
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.
C1 verb /ˈkʌl.mɪ.neɪt/

culminate

Meaning
To reach the final or climactic stage of a process or activity.
Example
Years of hard work culminated in his success.
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.
C1 noun /kənˈsep.ʃən/

Conception

Meaning
the forming of an idea or plan; the fertilization of an ovum by a sperm; the action of conceiving
Example
The conception of this innovative project took several months of brainstorming.
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
B1 noun /kluː/

clue

Meaning
a piece of evidence or information used in the detection of a crime or solving a puzzle
Example
The detective found a clue near the window.
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.
C2 verb /kəˈraʊz/

carouse

Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
C1 noun/adjective /kənˈfɛdərət/

confederate

Meaning
a person, group, or state joined in an alliance or union; relating to a confederacy
Example
The confederate soldiers fought bravely in the war.
C2 noun /ˈkɒmɪti/

comity

Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
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 /ˌkɒn.trɪˈbjuː.ʃən/

contribution

Meaning
A gift or payment to a common fund or collection.
Example
His contribution to the project was vital.
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.
B1 noun /kəˌmjunɪˈkeɪʃən/

communication

Meaning
The act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc.
Example
Effective communication is crucial for any successful project.
C1 noun /kənˈtɪnjuəm/

continuum

Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
B1 noun /kɑːrt/

Cart

Meaning
a wheeled vehicle for carrying goods; a shopping cart
Example
The farmer loaded hay onto his cart.
C1 adjective /ˈkæl.əs/

Callous

Meaning
showing or having an insensitive and cruel disregard for others; emotionally hardened
Example
He showed a callous disregard for others' feelings.
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.
C2 noun /ˈkɒn.tjʊ.mə.li/

contumely

Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
B1 adjective /kriˈeɪtɪv/

creative

Meaning
Having the ability to produce new and original ideas or things.
Example
She is very creative in her writing.
C1 noun /kənˈveɪəns/

conveyance

Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.
C1 adjective /kəmˈplɪsɪt/

complicit

Meaning
involved with others in an illegal activity or wrongdoing
Example
He was found complicit in the crime.
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 verb /kənˈvɑːlv/

convolve

Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
C1 verb /ˈkɒnskrɪpt/

conscript

Meaning
to force someone into military service
Example
The government conscripted young men during the war.
A2 verb /kaʊnt/

count

Meaning
to determine the total number of something
Example
She carefully counted the money on the table.
A2 noun /ˈklæsˌruːm/

classroom

Meaning
A room in which classes are held in a school or college.
Example
The teacher entered the classroom and greeted the students.
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.
B1 adjective /ˈkɒmplɪˌkeɪtɪd/

complicated

Meaning
consisting of many interconnected parts; difficult to understand
Example
The instructions for the machine are too complicated to follow.
C1 adjective, noun /ˈkɔːrpərəl/

corporal

Meaning
relating to the body; a low-ranking officer in the military
Example
He suffered a corporal punishment for his mistake.
B1 verb kleɪmz

claims

Meaning
To take someone's life, to cause death
Example
Workplace pollution claims thousands of lives annually.
B2 adjective ˌkɒntrəˈdɪktəri

contradictory

Meaning
Mutually opposed or inconsistent; containing elements that oppose each other.
Example
Their views on education are contradictory.
B2 adjective ˌkæt.əˈstrɑː.fɪk

catastrophic

Meaning
Involving or causing sudden great damage or suffering.
Example
Climate change has catastrophic consequences.
C1 noun /krəˈnɒlədʒi/

chronology

Meaning
The arrangement of events or dates in the order of their occurrence.
Example
The chronology of the dynasty was carefully studied by historians.
C2 adjective /ˈkɒs.ɪ.tɪd/

cosseted

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

commemorative

Meaning
Serving as a reminder or in honor of a person or event.
Example
They issued a commemorative coin for the independence anniversary.
C1 adjective /ˈkɒɡ.nɪ.zənt/

cognizant

Meaning
Having knowledge or being aware of something.
Example
He was cognizant of the risks before starting the project.
C1 noun /kuː/

coup

Meaning
a sudden, decisive action that brings about a change, especially in government
Example
The military staged a coup to overthrow the existing regime.
B1 noun ˌkɒn.səˈveɪ.ʃən

conservation

Meaning
The protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity.
Example
Conservation of forests is crucial for climate stability.
C1 noun /ˈkliː.vər/

Cleaver

Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
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.
B1 noun /ˈkɑn.fɪ.dəns/

Confidence

Meaning
the feeling or belief that one can rely on someone or something; firm trust; self-assurance
Example
She spoke with great confidence during the job interview.
C2 noun /ˈkætɪˌkɪzəm/

catechism

Meaning
A summary of religious principles often in the form of questions and answers; also a set of fixed questions or beliefs.
Example
The priest taught the children the catechism every Sunday.
C1 adjective /kənˈdʒenɪtl/

congenital

Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
B1 noun /sərˈtɪfɪkət/

certificate

Meaning
a document serving as proof of achievement or qualification
Example
She received a certificate for completing the course.
A2 noun /ˈsen.tʃər.i/

Century

Meaning
a period of one hundred years; a score of one hundred in cricket
Example
The ancient castle has stood for more than five centuries.
C1 adjective /ˈkɔː.stɪk/

caustic

Meaning
able to burn or corrode by chemical action; severely sarcastic
Example
Her caustic remarks hurt his feelings.
B2 noun /ˌkɔːriˈændər/

Coriander

Meaning
aromatic herb with feathery leaves used for flavoring food; also refers to the seeds used as spice
Example
Fresh coriander leaves are sprinkled on top of the curry.
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 adverb /kəmˈpliːtli/

completely

Meaning
totally; in every way possible
Example
The room was completely silent.
B1 noun /ˈkætl/

cattle

Meaning
large domesticated animals such as cows and bulls that are kept on a farm for their milk, meat, or hides
Example
The farmer owns a herd of cattle that graze near the river.
B1 noun, verb /ˈkɒndʌkt/ (noun), /kənˈdʌkt/ (verb)

conduct

Meaning
to organize or carry out; or a person's behavior
Example
The teacher conducted the exam fairly.
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.
C1 adjective /ˈkɑːr.di.æk/

cardiac

Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
C1 noun /kɑːrˈtɒɡrəfər/

cartographer

Meaning
A person who makes maps.
Example
The cartographer carefully drew the map of the new territory.
C2 adjective /kənˈfɔːrməbl/

conformable

Meaning
Capable of being adapted or consistent with something; compliant.
Example
His actions were conformable to the rules of the institution.
B1 noun ˈkʌrənsi

currency

Meaning
A system of money in general use in a particular country; the fact or quality of being generally accepted or in use.
Example
Dual currency systems were proposed.
C2 noun kənˌsep.tʃu.ə.laɪˈzeɪ.ʃən

conceptualization

Meaning
The process of forming a concept or idea; the process of developing something in the mind.
Example
The conceptualization of renewable cities is groundbreaking.
C1 adjective /ˌkætəˈɡɒrɪkəl/

categorical

Meaning
Absolute and without exception; expressed clearly and directly.
Example
She gave a categorical denial of the allegations.
C1 noun /tʃɪt/

Chit

Meaning
a short note, typically a brief informal letter; a voucher for a sum owed
Example
She left a chit on the table asking him to call her back.
C2 noun /ˈkrɛməˌtɔːri/

crematory

Meaning
a place where dead bodies are cremated
Example
The crematory was located near the cemetery.
B2 noun /kənˈvɛn.ʃən.əl ˈfɑːr.mɪŋ/

conventional farming

Meaning
Traditional farming method using synthetic fertilizers, pesticides, and modern technology.
Example
Conventional farming increases crop production using fertilizers.
A1 adjective /kuːl/

cool

Meaning
moderately cold; calm and composed; fashionable or impressive
Example
She kept a cool head during the crisis.
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.
B1 noun /kloʊðz ˈaɪərn/

Clothes iron

Meaning
An electric appliance used to remove wrinkles from clothes by applying heat and pressure
Example
I need to use the clothes iron to make my shirt look neat for the meeting.
C2 noun /ʃəˈɡrɪn/

chagrin

Meaning
Distress or embarrassment at having failed or been humiliated.
Example
She left the room in chagrin after forgetting her lines.
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 /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.
C2 noun /ˈkeɪsiːn/

Casein

Meaning
the main protein found in milk and cheese, used in food production and supplements
Example
Casein protein powder is popular among athletes for muscle recovery.
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.
B2 noun ˌkɒn.fɪ.den.ʃiˈæl.ɪ.ti

confidentiality

Meaning
The state of keeping or being kept secret or private
Example
Confidentiality is crucial in data security.
C1 noun /ˌkɒrəˈneɪʃən/

coronation

Meaning
the act or ceremony of crowning a sovereign or monarch
Example
The coronation of the new king was attended by thousands of people.
C1 adjective /ˌser.ɪˈmoʊ.ni.əl/

Ceremonial

Meaning
relating to or used in ceremonies; formal and ritualistic
Example
The ceremonial dress was worn during the royal wedding.
B1 noun /tʃiːf/

chief

Meaning
a leader or person in charge of a group or organization
Example
The chief of the village made an important decision.
A2 noun /ˌkɒnvəˈseɪʃn/

conversation

Meaning
an informal talk between two or more people, in which ideas, feelings, and thoughts are exchanged
Example
We had a long conversation about future plans.
B2 noun /ˌkɔr.əˈspɑn.dəns/

Correspondence

Meaning
letters sent or received; similarity or equivalence; communication by exchange of letters
Example
The historical correspondence between the two famous writers was recently published.
B1 noun/adjective /ˌkærəktəˈrɪstɪk/

characteristic

Meaning
A distinguishing quality or feature of a person, place, or thing.
Example
Kindness is a characteristic of true leadership.
C1 verb /kraʊtʃ/

crouch

Meaning
to bend your knees and lower your body close to the ground
Example
The cat crouched before leaping at its prey.
B1 noun /tʃɑːrm/

Charm

Meaning
the power or quality of giving delight or arousing admiration; a magical spell or talisman
Example
Her natural charm and wit made her popular at social gatherings.
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.
C2 noun /ˌkɒnvəˈluːʃən/

convolution

Meaning
a twist, coil, or a complex and intricate shape or arrangement
Example
The brain has many convolutions that increase its surface area.
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.
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.
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.
C2 noun /ˈkɔːrnɪs/

cornice

Meaning
an ornamental molding around the wall of a room just below the ceiling
Example
The elegant cornice added a classical touch to the living room.
C2 verb /ˈkæn.tər/

canter

Meaning
To ride a horse at a controlled, easy pace between a trot and a gallop.
Example
She cantered her horse across the field with ease.
B2 adjective /keɪˈɒtɪk/

Chaotic

Meaning
in a state of complete confusion and disorder
Example
The situation became chaotic after the announcement.
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.