carbon
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 ˈkɑː.bən

carbon

Meaning
The chemical element of atomic number 6, occurring as diamond, graphite, and charcoal.
Example
Carbon emissions must be controlled.
A2 noun /weɪt/

weight

Meaning
a measure of how heavy something is
Example
The weight of the package was 10 kilograms.
C1 noun/verb ˈfɒr.ɪdʒ

forage

Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
A1 noun /fuːd/

food

Meaning
any nutritious substance that people or animals eat or drink to maintain life and growth
Example
Rice is a common food in Asia.
B1 noun ˈɔːdioʊ ˈlɛsənz

audio lessons

Meaning
Educational content delivered through sound recordings, typically used for language learning and skill development.
Example
Audio lessons are useful for listening skills.
B2 adjective ˈkʌtɪŋ ˌɛdʒ

cutting-edge

Meaning
The most advanced or innovative; at the forefront of development.
Example
This company develops cutting-edge technology.
C1 verb /weɪv/

waive

Meaning
to refrain from insisting on or enforcing something, especially a right or claim
Example
She decided to waive her right to a lawyer.
B2 noun ˈweə.rə.bəl dɪˈvaɪ.sɪz

wearable devices

Meaning
Electronic devices that can be worn on the body, typically incorporating smart technology for monitoring health or providing information.
Example
Wearable devices help monitor heart rate and physical activity.
C1 verb sɪˈkwɛstər

sequester

Meaning
To isolate or hide away.
Example
The carbon captured by trees can be sequestered for years.
C1 noun ˌfɜːr.tɪ.laɪˈzeɪ.ʃən

fertilization

Meaning
The process of adding nutrients to soil to increase crop productivity.
Example
Organic fertilization enhances soil health.
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 adjective /ʌnˈriːdəbl/

unreadable

Meaning
not able to be read or understood clearly; illegible
Example
The doctor’s handwriting was completely unreadable.
C1 noun /ˌloʊkəˈmoʊʃən/

locomotion

Meaning
movement or the ability to move from one place to another
Example
Walking is the most common form of human locomotion.
C2 verb /ˈtʃeɪ.sən/

chasten

Meaning
to correct or discipline; to humble or subdue
Example
The coach chastened the team after their poor performance.
B1 noun /ɪˈfɛk.tɪv kəˌmjuː.nɪˈkeɪ.ʃən/

effective communication

Meaning
Clear and meaningful exchange of information that achieves its intended purpose.
Example
Effective communication is key to strong relationships.
C1 adjective /ʌnˈfɛtərd/

unfettered

Meaning
not restricted or confined; free
Example
The artist enjoyed unfettered freedom of expression.
B2 noun ˈɪn.deks

index

Meaning
An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.
Example
An index organizes critical data.
B1 noun ˈbaʊndəri

boundary

Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
B2 adjective /ɪˈmens/

Immense

Meaning
extremely large or great; huge
Example
The immense mountain range stretched across the horizon.
C1 noun /ˌɪn.trəˈspek.ʃən/

introspection

Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
B2 noun /ˈkɒmpoʊst/

compost

Meaning
decayed organic matter used as fertilizer
Example
The gardener added compost to enrich the soil.
C1 verb /ɪmˈbɛl.ɪʃ/

embellish

Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
C1 adjective + noun ʌnˈpresɪdentɪd ˈnɒlɪdʒ

unprecedented knowledge

Meaning
Information or understanding that has never been obtained or achieved before.
Example
Artemis will provide unprecedented knowledge about the solar system.
B2 verb /ɪnˈfɔːrs/

enforce

Meaning
to make sure that a rule, law, or policy is obeyed
Example
The police are responsible for enforcing the law.
C2 adjective /ˈmʌɡi/

muggy

Meaning
uncomfortably warm and humid
Example
It was a muggy afternoon in July.
B1 adverb /əˈkeɪʒənəli/

Occasionally

Meaning
sometimes; from time to time; not regularly
Example
I occasionally visit my grandmother on weekends.
B2 noun /ˈmɜːrtʃənt/

merchant

Meaning
a person or company involved in the trade of goods, especially in large quantities
Example
The merchant sold spices from distant lands.
B2 noun /dəˈmeɪn/

domain

Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
B2 noun /taɪm/

thyme

Meaning
A small aromatic herb used in cooking and medicine.
Example
She sprinkled thyme on the roasted chicken.
C2 noun /ˌfaɪ.təʊˈkem.ɪ.kəlz/

phytochemicals

Meaning
Natural chemical compounds produced by plants that provide health benefits beyond basic nutrition, often having antioxidant properties.
Example
Phytochemicals in green tea help reduce inflammation.
B2 noun /prəˈvaɪdər/

provider

Meaning
a person or thing that provides something.
Example
The service provider ensures that all customers receive timely support.
B2 adjective /ˈmiː.nɪŋ.ləs/

Meaningless

Meaning
without purpose; having no significance; pointless
Example
The data became meaningless without proper context.
C2 noun /ˈiːdʒɪs/

aegis

Meaning
The protection, backing, or support of a particular person or organization.
Example
The project was carried out under the aegis of the United Nations.
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.
C1 verb /ˈtræmpəl/

trample

Meaning
to tread heavily on something and cause damage or injury
Example
The crowd trampled the flowers in the park.
C2 noun /ˌɛksɪˈkreɪʃən/

execration

Meaning
An act of cursing or denouncing someone or something with hatred.
Example
The dictator’s name was spoken with execration after his fall.
C2 noun /ˌkɒnfəˈriː/

conferee

Meaning
a person who takes part in a conference
Example
Each conferee received a badge at the registration desk.
C1 verb /ɪnˈɡreɪv/

engrave

Meaning
to cut or carve a design, letter, or pattern into a hard surface
Example
The craftsman engraved her name on the silver ring.
A2 noun /ˈlæd.ər/

Ladder

Meaning
a structure consisting of two upright parallel sides connected by rungs, used for climbing up or down
Example
He climbed the ladder to reach the books on the top shelf.
C2 noun /ˈdʌlərd/

dullard

Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
A2 noun /ˈnek.ləs/

Necklace

Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
B1 verb /dɪˈfiːt/

Defeat

Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
C1 adjective /ˈvɪrjʊlənt/

virulent

Meaning
Extremely severe or harmful in its effects.
Example
The virulent disease spread rapidly across the region.
A2 verb /roʊl/

roll

Meaning
to move by turning over and over on an axis
Example
She rolled the ball down the hill.
B2 verb /rɪˈfreɪn/

refrain

Meaning
To hold oneself back from doing something.
Example
Please refrain from smoking in this area.
B2 adjective /ˈpɑːr.ʃəl/

Partial

Meaning
incomplete; showing bias or prejudice
Example
The judge gave a partial decision in favor of the defendant.
C2 noun /ˈhæbɪtjuːd/

habitude

Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
A2 noun /ɪmˈplɔɪər/

employer

Meaning
A person or organization that hires and pays people to work.
Example
The employer promised better benefits to attract skilled workers.
A1 pronoun /jɔːrˈsɛlf/

yourself

Meaning
used to refer to the person being addressed, often for emphasis or reflection
Example
You should look after yourself.
C1 adverb /ˈrɪdʒɪdli/

Rigidly

Meaning
in a strict, inflexible manner; without compromise
Example
The rules are rigidly enforced in this institution.
B1 adverb; adjective /ˈkaɪndli/

kindly

Meaning
in a kind or gentle manner; showing kindness or goodwill
Example
She kindly helped the old man cross the street.
C1 adjective /fɪkˈtɪʃəs/

fictitious

Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
B2 noun ˈstræt.ɪ.dʒiz

strategies

Meaning
A plan of action designed to achieve a long-term or overall aim; the art of planning and directing operations.
Example
Effective strategies can mitigate climate change impacts.
C2 noun /ˈpiːən/

paean

Meaning
A song or piece of writing expressing great praise or triumph.
Example
The article was a paean to the beauty of nature.
C1 verb /ˈskwɒbəl/

squabble

Meaning
To argue noisily over something small or unimportant.
Example
The children squabbled over the last piece of cake.
C1 noun ˈprɛvələns

prevalence

Meaning
The fact or condition of being widespread; the extent to which something exists or occurs
Example
The prevalence of aging issues requires immediate attention.
C1 noun /ˈɪntərˌpleɪ/

interplay

Meaning
The way in which two or more things have an effect on each other.
Example
The interplay between culture and technology shapes modern life.
C1 noun /rɪft/

rift

Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
A2 adjective /ˈnɔɪ.zi/

Noisy

Meaning
making a lot of loud or unpleasant sound; clamorous
Example
The noisy construction work outside made it difficult to concentrate.
C1 noun /ˈiː.dən/

Eden

Meaning
a place or state of great happiness; paradise
Example
The garden was like Eden, filled with beautiful flowers and peaceful atmosphere.
B2 adjective /ˈklʌm.zi/

clumsy

Meaning
awkward in movement or lacking skill
Example
He is so clumsy that he drops things all the time.
C2 noun /ˈæntɪk/

antic

Meaning
a playful, funny, or silly act or gesture
Example
The children laughed at the clown’s antics.
B2 adjective; past participle /ˈɒnəd/

honoured

Meaning
treated with respect or distinction; feeling proud and privileged
Example
She felt deeply honoured to receive the award.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
A1 verb /ɡroʊ/

grow

Meaning
to become larger or greater over a period of time; to develop
Example
Plants grow faster in spring.
B1 noun /ˈkæp.ɪ.təl/

Capital

Meaning
the most important city or town of a country or region; wealth in the form of money or assets
Example
Paris is the capital of France and also a major financial capital.
C1 adjective /kənˈteɪ.dʒəs/

Contagious

Meaning
likely to spread to and affect others; infectious
Example
Her laughter is contagious and makes everyone smile.
B2 verb /ˈklærɪfaɪ/

clarify

Meaning
to make clear; to explain more clearly
Example
The teacher clarifies the difficult concept.
B1 noun /pərˈfɔːrmər/

performer

Meaning
a person who entertains an audience by acting, singing, dancing, or playing music
Example
The performer received a standing ovation for her song.
C2 noun /ɡaɪl/

guile

Meaning
Cleverness or cunning used to achieve a goal, often in a deceptive way
Example
He used guile to win the negotiation.
C1 adjective prəˈtræk.tɪd

protracted

Meaning
Lasting for a long time or longer than expected or usual.
Example
The negotiations were protracted over months.
C1 noun ˌfræɡ.mənˈteɪ.ʃən

fragmentation

Meaning
The process or state of breaking or being broken into fragments.
Example
Habitat fragmentation threatens many species.
C1 adjective /ˈpʌlməˌneri/

pulmonary

Meaning
relating to the lungs
Example
The patient suffered from a serious pulmonary infection.
A1 adverb /ˈɔːlsoʊ/

also

Meaning
in addition; too
Example
She sings beautifully and also plays the guitar.
C2 noun /ˌmælˈoʊdər/

malodor

Meaning
An unpleasant smell; bad odor.
Example
The garbage bin gave off a terrible malodor.
C1 noun /rɪˈflɛktər/

reflector

Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
C1 adjective /ˈspaɪn.ləs/

Spineless

Meaning
lacking courage or determination; weak-willed
Example
He was too spineless to stand up for his beliefs.
A2 noun /ʃiːt/

sheet

Meaning
a large piece of cloth or paper, typically used to cover or protect something
Example
I need a clean sheet to cover the bed.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
C2 noun /ɡriːn ˈdʒækfruːt/

Green Jackfruit

Meaning
unripe fruit of the jackfruit tree, commonly used as a vegetable in cooking
Example
Green jackfruit is often used in curries and stews.
C1 noun ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
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 /ˈsɪmbəl/

Symbol

Meaning
a mark or character used as a conventional representation of an object, function, or process
Example
The dove is a symbol of peace.
C1 noun /ˈʃɪvəlri/

chivalry

Meaning
The medieval knightly system with its moral, social, and religious code; courteous behavior, especially toward women.
Example
The knight lived by the code of chivalry.
C1 adjective /ˈmaɪzərli/

miserly

Meaning
Unwilling to spend money; stingy.
Example
She lived a miserly life, refusing to buy anything new.
C1 noun /ˈkɜːrfjuː/

curfew

Meaning
a rule requiring people to stay indoors after a certain time, usually at night
Example
The city imposed a curfew during the unrest.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
C1 adjective /ˈkrɪm.zən/

Crimson

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

philately

Meaning
the collection and study of postage stamps
Example
Philately is a hobby enjoyed by people of all ages.
C1 verb /ʌnˈroʊl/

unroll

Meaning
to open something that is rolled up; to spread out gradually
Example
She unrolled the map on the table to find the route.
B2 verb /həˈræs/

harass

Meaning
to persistently annoy or torment someone
Example
The employees complained that their boss harassed them.
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 /frɪˈvɒləti/

frivolity

Meaning
Lack of seriousness; silly or trivial behavior.
Example
The teacher discouraged frivolity during the exam.
B1 adjective /ˈɛnd.ləs/

Endless

Meaning
having no end; infinite; limitless
Example
The ocean seemed endless from the shore.
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
C1 adjective /ɪmˈpæsəbəl/

impassable

Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
B1 verb /ɪnˈsɪst/

insist

Meaning
to demand firmly; to state persistently
Example
He insisted on paying the bill.
B2 noun /ˈɪnfənt/

infant

Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
C1 adjective /əˈkɪn/

akin

Meaning
Of similar character or related by blood.
Example
His reaction was akin to shock.
A1 verb /ˈhæpən/

happen

Meaning
to occur or take place; to come about by chance
Example
What happened at the meeting yesterday?
C1 adjective /ɪkˈskjuːzəbl/

excusable

Meaning
Able to be forgiven or justified.
Example
Her mistake was excusable given the circumstances.
C1 noun (plural) /kwɑːmz/

qualms

Meaning
feelings of doubt, worry, or uneasiness
Example
He had serious qualms about accepting the offer.
C1 verb /əˈbriːvieɪt/

abbreviate

Meaning
To shorten a word, phrase, or text by leaving out letters or parts.
Example
We often abbreviate 'Doctor' to 'Dr'.
B1 noun /trəˈdɪʃ.ən/

Tradition

Meaning
the transmission of customs or beliefs from generation to generation; a long-established custom or belief
Example
It's a family tradition to gather for dinner every Sunday evening.
C2 adjective /ˈpɜːˌblaɪnd/

purblind

Meaning
Having impaired or defective vision; lacking insight or understanding.
Example
The purblind approach to the problem led to many mistakes.
C1 verb /krɪndʒ/

cringe

Meaning
To shrink back in fear, embarrassment, or discomfort.
Example
She cringed when she remembered her mistake.
B2 verb /rɪˈvɜːs/

reverse

Meaning
to change something to the opposite direction, position, or result
Example
She quickly reversed the car out of the driveway.
C2 adjective /hərˈmɛtɪk/

hermetic

Meaning
Completely sealed, especially so that no air can enter or escape.
Example
The medicine was kept in a hermetic container.
B2 noun /ˈdæf.ə.dɪl/

Daffodil

Meaning
A bright yellow spring flower with a trumpet-shaped center, symbolizing rebirth and new beginnings
Example
The daffodils bloomed early this spring in the meadow.
C1 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
B1 noun fəˈsɪl.ɪ.tiz

facilities

Meaning
A place, amenity, or piece of equipment provided for a particular purpose.
Example
Facilities improve industrial productivity.
C1 adjective /ˈɜːrθi/

earthy

Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
B2 noun /ˈmɔːl.tə/

Malta

Meaning
a sweet citrus fruit similar to orange, also known as blood orange or sweet orange
Example
Malta is a popular citrus fruit in Bangladesh known for its sweet taste and high vitamin C content.
B1 noun /ˈsɛkʃən/

section

Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
C2 noun /haɪˈdrɒl.ɪ.sɪs/

hydrolysis

Meaning
A chemical process that breaks down compounds by adding water, splitting complex molecules into simpler forms.
Example
Hydrolysis breaks down complex molecules into simpler forms.
C1 adjective /ˈtʃɛkərd/

chequered

Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
B1 noun /ˈfiːdbæk/

feedback

Meaning
information or opinions about how well someone is doing something
Example
She asked her teacher for feedback on her essay.
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.