Cobra
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
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 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.
B2 verb /kəmˈpoʊz/

compose

Meaning
to create music or writing; to make up; to calm oneself
Example
She composes beautiful songs.
B2 noun /ˈkæt fɪʃ/

Cat fish

Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
B2 verb /tʃænt/

chant

Meaning
to sing or recite in a rhythmic way
Example
The monks chant prayers in the temple.
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.
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 /kʌb/

Cub

Meaning
a young bear, lion, tiger, or other large carnivorous mammal
Example
The bear cub stayed close to its mother for protection.
B2 adjective ˈkɒɡnɪtɪv

cognitive

Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
B2 adjective ˈkʌtɪŋ ˌɛdʒ

cutting-edge

Meaning
The most advanced or innovative; at the forefront of development.
Example
This company develops cutting-edge technology.
B2 adverb /ˈtʃiːfli/

chiefly

Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

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

cramped

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

Clove

Meaning
aromatic flower buds of a tree in the family Myrtaceae, used as a spice
Example
She added a few cloves to the mulled wine for extra flavor.
B2 noun /kɜːrl/

Curl

Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
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.
B2 adjective /ˈkaʊntləs/

countless

Meaning
too many to be counted; innumerable
Example
There are countless stars in the sky.
B2 adjective /ˌkɒn.fɪˈden.ʃəl/

Confidential

Meaning
secret; private; intended to be kept secret
Example
Please keep this information confidential.
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 verb /kənˈsiːv/

conceive

Meaning
to form or imagine an idea in the mind; to become pregnant
Example
It is hard to conceive how such an idea could succeed.
B2 adverb /ˈkrɪtɪkli/

critically

Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
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.
B2 noun /ˈkaʊntərˌpɑːrt/

counterpart

Meaning
a person or thing that corresponds to or has the same function as another
Example
The CEO met with his counterpart in the partner company.
B2 noun, verb /kloʊk/

cloak

Meaning
a loose outer garment; to cover, hide, or disguise
Example
The spy cloaked his identity with a false name.
B2 adverb /ˈkɒnsɪkwəntli/

consequently

Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
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 /ˈtʃɒp.ər/

Chopper

Meaning
a tool with a heavy blade for chopping wood; a helicopter
Example
The lumberjack swung the chopper to cut down the tree.
B2 noun /ˈkɒl.ər/

Collar

Meaning
a band of material around the neck; in jewelry context, a close-fitting necklace
Example
She wore an elegant pearl collar to the formal dinner.
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 adjective /ˈsɪvɪk/

civic

Meaning
relating to a city, town, or the duties of its citizens
Example
The mayor encouraged people to take part in civic activities.
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 adjective /kəmˈpɛlɪŋ/

compelling

Meaning
Evoking interest, attention, or admiration in a powerful way.
Example
She gave a compelling speech about climate change.
B2 noun /ˈkɑr.ɡoʊ ʃɪp/

Cargo ship

Meaning
a ship or vessel that carries goods and materials from one port to another
Example
The cargo ship transported containers filled with electronics across the ocean.
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.
B2 adjective /kənˈtɛntɪd/

contented

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

collapse

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

compliance

Meaning
The practice of conforming to rules, regulations, or laws; obedience to orders or instructions.
Example
Schools expect compliance with their rules and policies.
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 /ˈkɔːstli/

costly

Meaning
expensive or causing a lot of money, time, or effort
Example
Their mistake proved to be very costly for the company.
B2 noun /ˈkʊriər/

courier

Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
B2 adjective + noun kriˈeɪtɪv ɪɡˈzɪbɪts

creative exhibits

Meaning
Artistic displays or presentations that show originality and imagination.
Example
The creative exhibits highlighted recycling possibilities.
B2 noun kənˌtæm.ɪˈneɪ.ʃən

contamination

Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
B2 noun kjuːz

cues

Meaning
Signals or hints from conversation or environment that help understanding
Example
Facial expressions provide cues about a person's emotions.
B2 noun /kənˈstreɪnt/

constraint

Meaning
a limitation or restriction
Example
Time is the biggest constraint in completing the project.
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 noun /ˈkænvəs/

canvas

Meaning
A strong, coarse cloth used for tents, sails, or painting.
Example
The artist prepared a canvas for his new painting.
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.
B2 adjective kəˈlɛktɪv

collective

Meaning
Done by people acting as a group; shared by all members of a group.
Example
Victory Day represents our collective pride.
B2 adjective /ˈkʌnɪŋ/

cunning

Meaning
Having or showing skill in achieving one's ends by deceit or evasion; cleverness in a tricky way.
Example
The cunning fox tricked the farmer.
B2 noun /kəˈlɑːʒ/

collage

Meaning
A piece of art made by sticking various materials such as photographs or paper onto a surface.
Example
She created a collage using old magazine pictures.
B2 noun /kəmˈpoʊnənt/

component

Meaning
a part or element of a larger whole, especially a machine or system
Example
The engine is the most important component of the car.
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 noun /ˈkruː.əl.ti/

Cruelty

Meaning
behavior that causes pain or suffering to others; the quality of being cruel
Example
The documentary exposed the cruelty of factory farming to animals.
B2 verb kəˈlæbəreɪt

collaborate

Meaning
To work jointly with others, especially in an intellectual endeavor; cooperate.
Example
Volunteers often collaborate with local organizations.
B2 verb /kəmˈpɛl/

compel

Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
B2 noun/adjective /ˈkæpɪtəlɪst/

capitalist

Meaning
a person who supports or believes in capitalism; a wealthy business owner
Example
The capitalist believes in the freedom of the market.
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 /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 /ˈtʃær.ɪ.tə.bəl/

Charitable

Meaning
generous in giving to those in need; showing kindness
Example
She is known for her charitable work in the community.
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 noun/verb /ˈtʃɑːrtər/

charter

Meaning
a written document granting rights or privileges; to hire a vehicle or vessel for temporary use
Example
The company decided to charter a bus for the trip.
B2 noun /kənˈfɛkʃəneri/

confectionery

Meaning
sweets, candies, and other food items made with sugar
Example
The shop sells a wide variety of confectionery.
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 adjective /ˈkjuːbən/

cuban

Meaning
relating to Cuba, its people, or its culture
Example
We enjoyed delicious Cuban coffee at the café.
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 noun ˈkɛmɪkəl weɪst

chemical waste

Meaning
Waste material from industrial or laboratory processes that contains harmful chemicals.
Example
Chemical waste pollutes water bodies.
B2 noun /ˈtʃeɪmbər/

chamber

Meaning
a large room used for formal or public events, or a private room.
Example
The king held meetings in his private chamber.
B2 noun /ˈkæp.ʃən/

caption

Meaning
a brief explanation or description accompanying an illustration or photograph
Example
The caption under the photo explained who the people were.
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 kɒnˈtek.stju.əl

contextual

Meaning
Depending on or relating to the circumstances or setting; context-dependent.
Example
Contextual meaning changes depending on usage.
B2 verb /kənˈfɜːr/

confer

Meaning
to discuss something important or to grant or bestow something
Example
The committee will confer to decide on the new policy.
B2 noun /kəmˈplɛksɪti/

complexity

Meaning
The state of being complex; intricacy.
Example
The complexity of the problem required a team of experts.
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 adjective ˌkæt.əˈstrɑː.fɪk

catastrophic

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

chunk

Meaning
a thick or solid piece of something
Example
She cut the cake into large chunks.
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 noun /kənˈdʌktər/

conductor

Meaning
a person who directs a performance or someone who collects fares on public transport; or a material that conducts electricity
Example
The conductor waved his baton to start the orchestra.
B2 verb /ˈklæsɪfaɪ/

classify

Meaning
to arrange or organize into categories or groups
Example
The librarian classified the books by subject.
B2 verb /ˈkɑːŋkər/

conquer

Meaning
to overcome and take control of; to defeat in war; to master or overcome
Example
The army managed to conquer the enemy territory.
B2 noun, verb /kɜːrs/

curse

Meaning
a solemn wish that harm or misfortune should befall someone; a rude or offensive word or phrase; to utter offensive words or wish harm upon someone
Example
He cursed loudly when he realized he had lost his wallet.
B2 adjective /ˌkɒmplɪˈmɛntəri/

complementary

Meaning
combining in such a way as to enhance or emphasize the qualities of each other
Example
The two partners have complementary skills.
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 /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 ˌkætəˈstrɒfɪk ɪˈvents

catastrophic events

Meaning
Extremely destructive or damaging events that cause widespread devastation.
Example
Cyclones are catastrophic events in Bangladesh.
B2 noun/verb /kjuː/

cue

Meaning
A signal or prompt for action; to give a signal.
Example
The actor waited for his cue before entering the stage.
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 adverb /kənˈsɪstəntli/

consistently

Meaning
in a way that does not vary; regularly and dependably
Example
She has been performing consistently well in her studies.
B2 noun /ˈkʌmbæk/

comeback

Meaning
A return to a former status or success after a period of decline.
Example
The singer made a remarkable comeback after years of silence.
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.
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.
B2 noun /kɜːrv/

Curve

Meaning
a line or outline that gradually deviates from being straight; a bend or turn in a road or path
Example
The driver slowed down as he approached the sharp curve in the mountain road.
B2 verb /kənˈfaɪn/

confine

Meaning
to restrict someone or something within certain limits; to keep someone in a closed space
Example
The prisoner was confined to his cell for 23 hours a day.
B2 noun /kraɪst/

christ

Meaning
the title given to Jesus, considered the Messiah in Christianity
Example
Christ is central to Christian faith.
B2 adverb /kənˈsɪdərəbli/

Considerably

Meaning
to a notably large degree; significantly; substantially
Example
The price has increased considerably over the past year.
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 /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.
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.
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.
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
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 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 verb /kənˈsɜːrv/

conserve

Meaning
to protect something from harm or destruction; to use resources carefully to avoid waste
Example
We must conserve water during the dry season.
B2 noun /kɔːrd/

cord

Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
B2 noun /kəˈtæstrəfi/

catastrophe

Meaning
A sudden and widespread disaster or misfortune.
Example
The earthquake was a catastrophe for the entire region.
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.
B2 verb /kənˈsoʊl/

console

Meaning
to comfort someone who is sad or disappointed; to provide solace
Example
She tried to console her friend after the loss.
B2 noun /kəˈrɪkjələm/

curriculum

Meaning
The subjects comprising a course of study in a school, college, or university.
Example
The school updated its curriculum to include more digital literacy courses.
B2 noun kəmˈpet.ɪ.tɪv.nəs

competitiveness

Meaning
The quality of being as good as or better than others of a comparable nature; the ability to compete successfully.
Example
Competitiveness is vital for economic sustainability.
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.
B2 noun /ˌkeɪ.pəˈbɪl.ə.ti/

capability

Meaning
The ability or capacity to do something.
Example
The telescope's capability is unparalleled.
B2 verb, noun /kəˈmjuːt/

commute

Meaning
Verb: to travel regularly between home and work; Noun: the journey to and from work.
Example
He commutes two hours every day to reach his office.
B2 adjective /kɔːrs/

coarse

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

Co-existence

Meaning
the state of existing together at the same time or in the same place; peaceful cohabitation
Example
The peaceful co-existence of different cultures makes this city unique.
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 adjective /kənˈdɪʃ.ən.əl/

Conditional

Meaning
dependent on certain conditions; not absolute
Example
The job offer is conditional upon passing the background check.
B2 adjective /kəʊˈɒpərətɪv/

cooperative

Meaning
willing to work or act together with others for a common purpose
Example
She was very cooperative during the interview process.
B2 adverb /kənˈtɪnjuəsli/

Continuously

Meaning
without interruption; in an unbroken sequence
Example
The machine operates continuously for 24 hours.
B2 verb /ˈkɒmbæt/

combat

Meaning
to fight against something, especially to reduce or stop it
Example
The government is taking steps to combat corruption.
B2 verb /kənˈsiːd/

concede

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