biofuel
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B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

Meaning
A fuel derived immediately from living matter, as opposed to fossil fuels derived from long-dead biological matter.
Example
Biofuels reduce dependence on conventional energy sources.
B2 adjective /ˈjuː.nɪ.faɪd/

unified

Meaning
Made into a whole or joined together.
Example
A unified approach fosters better outcomes.
B2 noun/verb /ˈbʌfər/

buffer

Meaning
Something that lessens or absorbs the impact of a shock; to act as a protective barrier.
Example
The organization acts as a buffer between workers and management.
B2 noun/verb /eɪp/

ape

Meaning
a large primate similar to a monkey but without a tail; as a verb, to imitate or mimic
Example
Children often ape the behavior of adults.
B2 noun /ˈbɒt.əl.nek/

bottleneck

Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
B2 noun /ˈdʒɜːrnəlɪzəm/

journalism

Meaning
the activity or profession of collecting, writing, and publishing news and articles for newspapers, magazines, or broadcast media
Example
He studied journalism to become a news reporter.
B2 noun ˌdedɪˈkeɪʃn

dedication

Meaning
The quality of being dedicated or committed to a task or purpose; devotion.
Example
His dedication laid the foundation of Indian science.
B2 verb /pæt/

pat

Meaning
to touch someone or something gently, often to show affection or approval
Example
She gently patted the dog on its head.
B2 noun /swɪŋ/

Swing

Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
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 /ˈsɪnˌdroʊm/

syndrome

Meaning
a group of symptoms that occur together and characterize a condition or disease
Example
Down syndrome affects a person's physical and mental development.
B2 noun /ˈɛθɪk/

ethic

Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
B2 noun /nɒsˈtæl.dʒə/

nostalgia

Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
B2 noun /diːp siː/

deep sea

Meaning
The deep parts of the sea or ocean, typically beyond the continental shelf.
Example
Many deep-sea creatures produce bioluminescence for survival.
B2 verb /paɪn/

pine

Meaning
to long intensely for something or someone; to suffer from longing
Example
He pined for his hometown after moving abroad.
B2 noun /prɒp/

prop

Meaning
an object used on stage by actors during a performance; something that supports or holds up
Example
The actor forgot his prop on stage.
B2 adjective /ˈpɔɪ.zən.əs/

Poisonous

Meaning
containing poison; toxic; deadly
Example
The snake is highly poisonous and dangerous.
B2 adjective /ʌnˈiːkwəl/

Unequal

Meaning
not the same in quantity, size, or value; not fair or just
Example
The distribution of wealth is unequal in many countries.
B2 adjective /ɪnˈfekʃəs/

infectious

Meaning
capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm
Example
Her infectious laughter made everyone in the room smile.
B2 adjective /stəˈtɪstɪkəl/

statistical

Meaning
relating to the use or analysis of numerical data
Example
The report provides statistical data about population growth.
B2 noun /ˈkɒk.roʊtʃ/

Cockroach

Meaning
a flat brown insect that is commonly found in kitchens and other warm places
Example
A cockroach ran across the kitchen floor quickly.
B2 adjective /ˈvaɪ.brənt/

Vibrant

Meaning
full of energy and life; bright and striking
Example
The vibrant colors of the sunset painted the sky beautifully.
B2 noun /klɔː/

Claw

Meaning
sharp curved nail on the foot of an animal or bird
Example
The cat extended its sharp claws to climb the tree.
B2 adjective /ˌdɪsədˈvæntɪdʒd/

disadvantaged

Meaning
Lacking the basic resources or conditions needed for a good standard of living or equal opportunities.
Example
The program provides support to disadvantaged children.
B2 noun /ˈklɒzɪt/

closet

Meaning
a small room or enclosed space used for storing clothes or other things
Example
She keeps her winter coats in the closet near the door.
B2 noun /ˈsɒr.oʊ/

Sorrow

Meaning
a feeling of deep distress caused by loss or disappointment
Example
His heart was filled with sorrow after the tragedy.
B2 noun pɑrˈtɪʃən

partition

Meaning
The action of dividing or being divided into parts; separation.
Example
Partition caused unrest.
B2 adjective /ˈaʊtˌɡoʊɪŋ/

outgoing

Meaning
Friendly and sociable; inclined to mix with others.
Example
He is an outgoing person who loves meeting new people.
B2 noun /ˈrɒbəɹi/

robbery

Meaning
the crime of stealing from someone or somewhere using force or threat
Example
The police are investigating the robbery at the local store.
B2 verb /pɪəs/

pierce

Meaning
to make a hole through something; to penetrate with a sharp object
Example
The arrow will pierce through the target.
B2 noun /ˈdeɪtəbeɪs/

database

Meaning
a structured collection of data stored and accessed electronically
Example
The company's customer details are stored in a secure database.
B2 adjective /ʌnˈwɜːrði/

Unworthy

Meaning
not deserving respect or attention; lacking worth or merit
Example
He felt unworthy of such praise and recognition.
B2 noun /ˈreb.əl/

Rebel

Meaning
a person who resists authority or control
Example
The young rebel refused to follow the school rules.
B2 noun /dɪˈfɛndər/

defender

Meaning
a person who protects someone or something from harm or attack
Example
The defender blocked the shot and saved the goal.
B2 verb /pərˈsiːv/

perceive

Meaning
to become aware of or understand something through the senses
Example
I perceive a change in his attitude.
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 /ˈfjuːʒən/

fusion

Meaning
the process or result of joining two or more things together to form a single entity
Example
The restaurant offers a unique fusion of Asian and European cuisines.
B2 noun ˈwɜːrkˌləʊd

workload

Meaning
The amount of work to be done by someone or something.
Example
His workload has increased dramatically in the past month.
B2 noun, verb /kjuːb/

cube

Meaning
As a noun: a solid object with six equal square faces. As a verb: to cut food into small square pieces.
Example
She put a sugar cube in her tea.
B2 noun /kənˈvɜːrtər/

converter

Meaning
a device or person that changes something from one form, system, or use to another; a tool that converts data, energy, or materials
Example
The engineer used a converter to change AC power into DC power.
B2 adjective /ˈkɒnʃəs/

conscious

Meaning
Aware of and responding to one's surroundings; awake.
Example
She was fully conscious after the surgery.
B2 adjective /ˈruː.mi/

Roomy

Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
B2 verb /ˈtɜːrmɪˌneɪt/

terminate

Meaning
to bring something to an end or to stop something from continuing
Example
The company decided to terminate his contract.
B2 adjective /ˌfæʃ.ənd/

Outdated

Meaning
obsolete; no longer current
Example
This computer software is completely outdated.
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
B2 noun /feɪz/

Phase

Meaning
a distinct period or stage in a process of change or development
Example
The project is now in its final phase.
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
B2 noun /kæf/

Calf

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

execute

Meaning
To carry out or put into effect a plan, order, or course of action.
Example
NASA plans to execute the mission in three phases.
B2 noun /bɑnd/

Bond

Meaning
a close connection joining two or more people; a certificate of debt issued by a government or corporation
Example
The strong bond between the mother and child was evident.
B2 phrase ˈsɛvən ˈhæbɪts

seven habits

Meaning
Regular behaviors or actions that are done consistently over time, specifically referring to a set of seven key practices.
Example
Even habits help in maintaining a balanced lifestyle.
B2 noun, verb /sɪn/

sin

Meaning
an immoral act considered to be a transgression against divine law; to commit an offense against religious or moral law
Example
He confessed his sin to the priest.
B2 noun /drɪl/

drill

Meaning
a tool or exercise used for making holes or practicing skills
Example
The students took part in a fire drill at school.
B2 adjective ˌɪnstrəˈmɛntl

instrumental

Meaning
Serving as a crucial means, agent, or tool; having a part in bringing about a result.
Example
Children can be instrumental in building a better society.
B2 noun /ˈruːmər/

rumor

Meaning
a currently circulating story or report of uncertain or doubtful truth.
Example
There’s a rumor that the company will merge next year.
B2 adjective /ˈɪrɪteɪtɪd/

irritated

Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
B2 adjective /proʊn/

Prone

Meaning
having a tendency to; inclined; lying face down
Example
He is prone to making mistakes when he's tired.
B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

Meaning
unable to be seen; not visible to the eye
Example
The bacteria are invisible without a microscope.
B2 noun /ˈkɪlɪŋ/

killing

Meaning
the act of causing death, especially deliberately
Example
The movie depicts the brutal killing of the villagers.
B2 verb /ɪˈvækjueɪt/

evacuate

Meaning
To remove people from a dangerous place to safety.
Example
The residents were ordered to evacuate the building after the fire alarm.
B2 adjective /ˈfeɪθ.fəl/

Faithful

Meaning
loyal and committed; reliable; true to one's beliefs
Example
She remained faithful to her principles throughout her career.
B2 noun /ˈmeɪər/

mayor

Meaning
The elected head of a city, town, or municipality.
Example
The mayor announced a new policy to improve public transport.
B2 noun /æmˈfɪbiən/

amphibian

Meaning
A cold-blooded vertebrate animal that can live both on land and in water.
Example
A frog is a common amphibian that lives both in water and on land.
B2 noun ˈɡloʊbəl kəˌlæbəˈreɪʃən

global collaboration

Meaning
Cooperation and partnership between countries or organizations worldwide to address common challenges.
Example
Global collaboration is necessary to address climate change.
B2 verb /skæn/

scan

Meaning
To look at something carefully or quickly; to digitally copy or capture an image or document.
Example
She scanned the document before sending it by email.
B2 verb /pɪntʃ/

pinch

Meaning
to squeeze tightly between the fingers; to take a small amount
Example
She pinched a bit of salt into the soup.
B2 noun fɪkst ˈɪnkʌm

fixed income

Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
B2 adjective /ˈspɪr.ɪ.tʃu.əl/

Spiritual

Meaning
relating to the human spirit or soul; religious or sacred
Example
She found spiritual peace through meditation.
B2 noun /əˈkʌmplɪʃmənt/

accomplishment

Meaning
something that has been achieved successfully
Example
Graduating from university was a major accomplishment for him.
B2 adjective /hɪˈstɛrɪkəl/

hysterical

Meaning
Extremely funny or uncontrollably emotional.
Example
The comedian's jokes were absolutely hysterical.
B2 adjective /ɪˈlɪt.ər.ət/

Illiterate

Meaning
unable to read or write; lacking education
Example
The program aims to help illiterate adults learn to read and write.
B2 verb /bleɪz/

blaze

Meaning
to burn brightly or powerfully
Example
The fire blazed for hours before it was brought under control.
B2 noun /ˈseɪf.ɡɑːrd/

Safeguard

Meaning
measure or action designed to protect someone or something
Example
New safeguards were implemented to prevent data breaches.
B2 noun /ˈɜːrnər/

earner

Meaning
A person who earns money through work or business
Example
She is the primary earner in her family.
B2 adverb /ˌfʌndəˈmɛntəli/

fundamentally

Meaning
in a basic and important way; at the core
Example
The two theories are fundamentally different.
B2 noun, verb /ˈaʊtlɔː/

outlaw

Meaning
as a noun: a person who breaks the law and lives outside its protection; as a verb: to make something illegal
Example
The government decided to outlaw the harmful practice.
B2 noun /ˈbrɛkdaʊn/

breakdown

Meaning
a failure or collapse of a system or machinery
Example
The car had a breakdown on the highway.
B2 noun /ˌmʌltɪplɪˈkeɪʃən/

multiplication

Meaning
the mathematical process of combining numbers to get a product; the act of increasing in number or amount
Example
Multiplication is one of the basic operations taught in elementary mathematics.
B2 adverb /ˈæktɪvli/

actively

Meaning
in a way that involves energetic participation or effort
Example
He is actively involved in community service.
B2 noun /iːz/

Ease

Meaning
absence of difficulty or effort; comfort and relaxation
Example
After years of practice, she played the piano with great ease.
B2 verb /ɪnˈlaɪtən/

enlighten

Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
B2 noun, verb /bluːm/

bloom

Meaning
to produce flowers; to develop or flourish; a flower or the state of flowering
Example
The roses bloom beautifully every spring.
B2 adjective /ˈkɒŋ.kriːt/

Concrete

Meaning
solid; real; tangible; actual and specific
Example
We need concrete evidence to support our claims.
B2 noun ˈsɪblɪŋz

Siblings

Meaning
Each of two or more children or offspring having one or both parents in common.
Example
Siblings are usually placed on the same level in a family tree.
B2 adjective /juːˈnæn.ɪ.məs/

Unanimous

Meaning
fully in agreement; shared by all
Example
The committee reached a unanimous decision.
B2 verb ম্যানিফেস্ট

manifest

Meaning
To show or demonstrate clearly; to become evident or apparent.
Example
Symptoms of De Quervain's Syndrome may manifest after prolonged phone use.
B2 verb ˈfɔːr.mjə.leɪt

formulate

Meaning
To create or develop a plan or idea clearly and specifically, to construct an idea or strategy clearly.
Example
The company must formulate a strategy for expansion.
B2 verb /səˈrɛndər/

surrender

Meaning
to give up or yield to an opponent or authority
Example
The army finally surrendered after weeks of fighting.
B2 verb /ˈtrɪɡər/

trigger

Meaning
To cause something to happen or start, often suddenly.
Example
The loud noise triggered the alarm system.
B2 noun /ˈɪnˌsaɪt/

insight

Meaning
The ability to understand the true nature of something; deep understanding.
Example
Her insight into human behavior made her a successful psychologist.
B2 noun /ˈmɔːr.nɪŋ/

Mourning

Meaning
the expression of deep sorrow for someone who has died
Example
The family is in mourning for their grandmother.
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
B2 noun /ˈaɪ.saɪt/

Eyesight

Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
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 verb /kəmˈpraɪz/

comprise

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

brotherhood

Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
B2 verb /ˈbænɪʃ/

banish

Meaning
to send someone away from a place as punishment; to get rid of
Example
The king banished the traitor from the kingdom.
B2 adjective /ˈvoʊkəl/

vocal

Meaning
expressing opinions or feelings freely and loudly; relating to the voice
Example
She was very vocal about her dissatisfaction.
B2 verb /straɪv/

strive

Meaning
To make great efforts to achieve or obtain something.
Example
She strives to be the best student in her class.
B2 noun /ˌekspləˈreɪʃən/

exploration

Meaning
the action of traveling through or studying an area to learn more about it
Example
Space exploration has expanded our understanding of the universe.
B2 noun /ˌɑb.zɚˈveɪ.ʃən/

Observation

Meaning
the action of watching something carefully; a comment or remark
Example
The scientist made careful observations of the experiment.
B2 adjective /ˈhɑlːoʊ/

Hollow

Meaning
having an empty space inside; lacking substance or meaning; insincere
Example
The hollow tree trunk provided shelter for small animals.
B2 noun /pænt/

Pant

Meaning
a piece of clothing worn on the lower body covering each leg separately
Example
She bought a new pair of pants for the party.
B2 verb /buːm/

boom

Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
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.
B2 noun /ˈbækˌsaɪd/

backside

Meaning
the rear part or surface of something; informal term for the buttocks
Example
The kids slid down the hill on their backside.
B2 adjective /ˌsen.tɪˈmen.təl/

Sentimental

Meaning
having tender feelings; being emotional about memories or experiences
Example
She became sentimental when looking at old family photographs.
B2 verb /ɪˈkwɪp/

equip

Meaning
to provide someone or something with the necessary items or skills for a task
Example
The school equipped its students with modern technology.
B2 verb /ɪnˈʃʊər/

insure

Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
B2 noun /hʌm/

Hum

Meaning
a low continuous sound; to make a low continuous droning sound
Example
The constant hum of the air conditioner helped her fall asleep peacefully.
B2 verb /reɪn/

reign

Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
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.
B2 verb /ˌʌndərˈɡoʊ/

undergo

Meaning
to go through something, especially something unpleasant or difficult
Example
She had to undergo surgery to recover.
B2 verb /kəmˈpɛl/

compel

Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
B2 noun /ˌprɒb.əˈbɪl.ə.ti/

Probability

Meaning
the likelihood that something will happen; a mathematical measure of how likely something is to occur
Example
There is a high probability of rain tomorrow.
B2 noun ˌæd.æpˈteɪ.ʃən

adaptation

Meaning
The action or process of adapting or being adapted.
Example
Adaptation to climate change is critical for resilience.
B2 adjective /ˈfʌŋkʃənl/

functional

Meaning
designed to be practical and useful, rather than just decorative
Example
The design of the chair is simple but highly functional.
B2 adjective /ˌʌnəˈveɪləbəl/

unavailable

Meaning
Not able to be obtained, reached, or used; not present or accessible.
Example
The manager was unavailable to take calls during the meeting.
B2 adjective /kənˈsɪd.ər.ɪt/

Considerate

Meaning
showing careful thought about the feelings or wishes of others; thoughtful
Example
He is always considerate of others' feelings.
B2 noun /sɪmˈplɪsɪti/

Simplicity

Meaning
the quality of being simple; lack of complexity or intricacy
Example
The beauty of the design lies in its simplicity.
B2 adjective /ɪkˈsploʊsɪv/

explosive

Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.