contaminate
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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 /ˈaʊtlet/

outlet

Meaning
a means by which something is released, expressed, or distributed
Example
Art is a great outlet for emotions.
B2 noun /pərˈfek.ʃən/

Perfection

Meaning
the state of being complete and without flaws; the highest degree of excellence
Example
The artist spent years trying to achieve perfection in his paintings.
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 /sfɪər/

sphere

Meaning
a round, three-dimensional shape that is perfectly symmetrical around its center; an area of activity or knowledge
Example
The Earth is almost a perfect sphere.
B2 noun /ˈlɒtəri/

lottery

Meaning
A means of raising money by selling numbered tickets and giving prizes to the holders of numbers drawn at random.
Example
He won a car in the national lottery.
B2 adjective /ˈvɜː.tʃu.əl/

Virtual

Meaning
almost or nearly as described, but not completely or according to strict definition; existing in essence or effect, though not in fact
Example
The virtual meeting allowed participants from different countries to collaborate.
B2 adjective /ɔːˈθen.tɪk/

Authentic

Meaning
genuine; real; not fake or copied
Example
The museum displays only authentic artifacts from ancient civilizations.
B2 noun /spaɪn/

Spine

Meaning
the backbone or vertebral column of a vertebrate; the central support of a structure
Example
She injured her spine in the accident.
B2 noun /ˈɡreɪt.fəl.nəs/

Gratefulness

Meaning
the quality of being thankful; readiness to show appreciation for kindness
Example
She expressed her gratefulness to the doctors who saved her life.
B2 noun /ˈkʌt.lət/

Cutlet

Meaning
a small piece of meat, especially veal or lamb, for frying or grilling
Example
She served delicious chicken cutlets for dinner.
B2 noun ˈhɑːrvɪstɪŋ

harvesting

Meaning
The process of gathering a ripe crop from the fields or collecting natural resources.
Example
Unregulated harvesting affects the biodiversity of oceans.
B2 noun ɔːˈɡæn.ɪk fuːdz

organic foods

Meaning
Food produced without the use of chemicals such as artificial pesticides, fertilizers, or other artificial agents.
Example
Organic foods are healthier than processed foods.
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
B2 adverb /ˈsɪmɪlərli/

similarly

Meaning
in a similar way
Example
Similarly, we can achieve success with dedication and hard work.
B2 adjective /ˈlɛŋθi/

lengthy

Meaning
long in duration or extent
Example
The meeting was lengthy, lasting over three hours.
B2 noun /ˈaʊtˌskɜːrt/

outskirt

Meaning
the outer edge or border of a town or city
Example
They built a new factory on the outskirts of the city.
B2 noun /ˈwaɪld.laɪf ˌkɒnsərˈveɪʃən/

wildlife conservation

Meaning
The practice of protecting wild animal species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems.
Example
Wildlife conservation aims to protect endangered species.
B2 noun smɔːl ˈɛfərt

Small Effort

Meaning
Minor actions or initiatives that can collectively make a significant impact.
Example
Small efforts can bring big changes in butterfly conservation.
B2 noun ləˈdʒɪs.tɪks

Logistics

Meaning
The detailed coordination of a complex operation involving many people, facilities, or supplies.
Example
Logistics ensures timely delivery.
B2 adjective /ˌsʌp.lɪˈmen.tər.i/

Supplementary

Meaning
completing or making an addition to something; additional; extra
Example
Students need to buy supplementary books for the course.
B2 noun /ˈdʒʊəri/

jury

Meaning
a group of people sworn to give a verdict in a legal case based on the evidence
Example
The jury found him guilty of the crime.
B2 noun prəˈtæɡənɪst

protagonist

Meaning
The leading character or one of the major characters in a drama, movie, novel, or other fictional text.
Example
Charles Darnay is one of the protagonists of the story.
B2 verb /dɪˈvaɪz/

devise

Meaning
To plan or invent something carefully.
Example
The engineers devised a new method to reduce costs.
B2 noun /ˌɡriːn ˈen.ə.dʒi/

green energy

Meaning
Energy derived from renewable sources that have minimal environmental impact.
Example
Green energy reduces environmental harm.
B2 noun /oʊˈbiː.di.əns/

Obedience

Meaning
compliance with an order, request, or law; submission to authority
Example
Children should show obedience to their parents.
B2 noun /ˈæli/

alley

Meaning
a narrow passageway between or behind buildings
Example
They walked through a dark alley to reach the main road.
B2 adjective /məˈkænɪkəl/

mechanical

Meaning
relating to machines or the way they work
Example
She has a good understanding of mechanical systems.
B2 adjective /ˈhoʊl.səm/

Wholesome

Meaning
conducive to or promoting moral or physical well-being; healthy
Example
Eating wholesome food is important for good health.
B2 adjective /ˌdɪsəˈɡriːəbl/

disagreeable

Meaning
Unpleasant or offensive; causing discomfort or annoyance.
Example
The weather was cold and disagreeable.
B2 noun /ˌnɔːrθˈiːst/

northeast

Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
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 /ɪˈliːt/ or /eɪˈliːt/

elite

Meaning
A select group that is superior in terms of ability or qualities.
Example
Only the elite were invited to the exclusive event.
B2 noun/verb /dræft/

draft

Meaning
A preliminary version of a piece of writing; to prepare a preliminary version of a document.
Example
She finished the first draft of her novel.
B2 adjective /ʌnˈbreɪkəbəl/

Unbreakable

Meaning
not able to be broken or damaged; very strong and durable
Example
Their friendship formed an unbreakable bond.
B2 noun /ˈsɑːrdʒənt/

sergeant

Meaning
A rank of non-commissioned officer in the armed forces or police.
Example
The sergeant gave orders to the soldiers before the mission.
B2 noun /ˈaɪ.lɪd/

Eyelid

Meaning
either of the upper or lower folds of skin that cover the eye when closed
Example
Her eyelids felt heavy with sleep.
B2 noun /ˈmænʃən/

mansion

Meaning
a large, impressive house
Example
The billionaire lives in a luxurious mansion overlooking the ocean.
B2 adverb /ɪkˈskluːsɪvli/

exclusively

Meaning
only; not shared with others
Example
This service is available exclusively to premium members.
B2 noun /dɪsˈkloʊʒər/

disclosure

Meaning
the action of making something known or public
Example
The disclosure of the company's financial status was delayed.
B2 noun /ˈɛksələns/

excellence

Meaning
the quality of being outstanding or extremely good
Example
The school is known for its academic excellence.
B2 verb /swel/

swell

Meaning
to become larger, rounder, or thicker; to increase in size
Example
Her ankle began to swell after the injury.
B2 noun /ˈdiːlər/

dealer

Meaning
a person or business that buys and sells goods; someone who distributes
Example
The car dealer offered a discount to attract customers.
B2 verb/noun /vɛnt/

vent

Meaning
to release air, gas, or strong emotions; an opening that allows air, gas, or liquid to pass
Example
She vented her frustration after the long meeting.
B2 noun ˈaʊt.pʊt

output

Meaning
The amount of something produced by a person, machine, or industry.
Example
Climate change reduces agricultural output.
B2 verb /ɪnˈhæns/

enhance

Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
B2 noun /droʊn/

Drone

Meaning
a male bee that does not work and whose only function is to mate with the queen
Example
The drone bees do not collect honey like worker bees.
B2 noun /ˈpeə.rən.tɪŋ/

parenting

Meaning
The care and training a child receives while growing up, involving the development of their mental, physical, and social aspects.
Example
Effective parenting helps children develop confidence and independence.
B2 adjective /ˈpæʃənət/

passionate

Meaning
showing or caused by strong feelings or a strong belief
Example
He is passionate about environmental conservation.
B2 adjective /ˈfɛmənɪn/

feminine

Meaning
having qualities traditionally associated with women; feminine in nature
Example
She has a very feminine style of dressing.
B2 verb /ɪnˈroʊl/

enrol

Meaning
To officially register or sign up for a course, program, or membership
Example
She decided to enrol in a language course to improve her skills.
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 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 /ˈkɒləni/

colony

Meaning
a territory or community controlled by another country or group of people
Example
India was once a British colony.
B2 noun ɪnˈɡeɪdʒɪŋ ˈlɜːrnɪŋ ɪkˈspɪəriənsɪz

engaging learning experiences

Meaning
Interactive and immersive educational activities that capture students' attention and actively involve them in the learning process.
Example
Digital tools create engaging learning experiences.
B2 noun /ˌek.əˈnɒm.ɪk səˌsteɪ.nəˈbɪl.ə.ti/

economic sustainability

Meaning
The ability of an economy to support a defined level of economic production indefinitely.
Example
Economic sustainability drives long-term growth.
B2 adverb /ˈnæʃənəli/

nationally

Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
B2 noun /ˈɑːrkaɪvz/

archives

Meaning
A place or collection where historical records and documents are stored.
Example
She visited the national archives to research her family history.
B2 noun /rɪˈdʒɛkʃən/

rejection

Meaning
the action of refusing or dismissing something or someone
Example
Her rejection of the offer surprised everyone.
B2 verb /kəmˈpraɪz/

comprise

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

presume

Meaning
To suppose something is true without proof; to take for granted.
Example
I presume she has already left for the meeting.
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 adjective /ˈʃɔːrt ˌsaɪtɪd/

Short-sighted

Meaning
lacking foresight or consideration for the future; myopic
Example
His short-sighted decision to quit school early affected his career prospects.
B2 noun /ˈdɪdʒɪt/

digit

Meaning
a numeral from 0 to 9; also a finger or toe
Example
You must enter a four-digit code to unlock the phone.
B2 noun ˈhæb.ɪ.tæts

habitats

Meaning
The natural home or environment of an animal, plant, or other organism.
Example
Scientists envision habitats on the Moon.
B2 adjective /ˈprɛdʒədɪst/

prejudiced

Meaning
having or showing a dislike or bias against a person or group without proper reason
Example
He was prejudiced against people from other regions.
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 /ˈspɛʃəˌlaɪzd/

specialized

Meaning
designed or developed for a particular purpose or function
Example
He has a specialized knowledge of ancient civilizations.
B2 adjective /ˈsoʊlər/

solar

Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
B2 verb /stɑːv/

starve

Meaning
to suffer or die from lack of food
Example
He was left to starve in the desert.
B2 verb /spɪn/

spin

Meaning
To turn around quickly or cause something to rotate
Example
The dancer began to spin gracefully on the stage.
B2 noun ˌsænɪˈteɪʃən

sanitation

Meaning
Conditions relating to public health, especially the provision of clean drinking water and adequate sewage disposal.
Example
Good sanitation practices are key to preventing infestations.
B2 adjective /ˈwʊd biː/

Would-be

Meaning
prospective; intending to be; aspiring
Example
The would-be actor practiced his lines every day.
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 verb /ˈfɪltər/

filter

Meaning
to pass a substance through a device to remove unwanted material or to selectively pass certain items
Example
She used a coffee filter to separate the grounds from the liquid.
B2 adjective /ˈbʌmpi/

Bumpy

Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
B2 noun /dɪˈsper/

Despair

Meaning
the complete loss or absence of hope; a state of feeling hopeless
Example
After losing his job, he fell into despair and couldn't see any way forward.
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
B2 verb ɪnˈhɑːnst

enhanced

Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
B2 adjective /væst/

Vast

Meaning
extremely large in size, amount, or extent; immense
Example
The vast ocean stretched endlessly to the horizon.
B2 noun /ˈmeɪnˌlænd/

mainland

Meaning
the principal landmass of a country or continent, as opposed to the surrounding islands
Example
The mainland of Australia is home to most of its population.
B2 verb /əˈbaɪd/

abide

Meaning
to accept or act in accordance with; to endure; to dwell
Example
I will abide by the rules of the company.
B2 adjective /ˈskeptɪkəl/

Sceptical

Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
B2 noun ˌfoʊ.t̬oʊˈsɪn.θə.sɪs

photosynthesis

Meaning
The process by which green plants use sunlight to synthesize foods from carbon dioxide and water.
Example
Plants depend on photosynthesis for survival.
B2 noun /ˈmaɪ.ɡrənt/

migrant

Meaning
A person who moves from one place to another, especially to find work or better living conditions.
Example
Many migrants travel long distances to find employment.
B2 noun /oʊk/

oak

Meaning
a large tree that produces acorns and has strong, hard wood
Example
The old oak tree provided shade for the entire yard.
B2 noun /ˈflɒrɪst/

florist

Meaning
A person who sells and arranges flowers.
Example
We bought a bouquet from the local florist.
B2 adjective ˌpriːhɪˈstɒrɪk

prehistoric

Meaning
Belonging to the time before written records.
Example
The prehistoric era was marked by the rise of early humans.
B2 adjective haɪˈdʒiː.nɪk

hygienic

Meaning
Conducive to maintaining health and preventing disease, especially by being clean.
Example
Maintaining hygienic conditions in hospitals is crucial.
B2 noun /rɪˈfjuː.zəl/

Refusal

Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
B2 verb əˈteɪnd

attained

Meaning
Succeeded in achieving (something that one desires and has worked for); reached a specified age, size, or amount.
Example
The region attained remarkable progress.
B2 adjective ˈɡluːmi

gloomy

Meaning
Dark or poorly lit; depressing or pessimistic.
Example
The atmosphere suddenly turned gloomy.
B2 verb /triːd/

tread

Meaning
to step or walk on something; to crush with feet
Example
Don't tread on the flowers.
B2 noun /ˈkʌvərɪdʒ/

coverage

Meaning
The extent or scope of something, such as insurance protection or media reporting.
Example
The news channel provided extensive coverage of the event.
B2 noun /plæˈtoʊ/

plateau

Meaning
an elevated flat area of land or a period of little change
Example
After months of growth, sales reached a plateau.
B2 noun /ˌspeʃiˈælɪti/

Speciality

Meaning
a particular area of activity or interest that someone focuses on; expertise in a specific field
Example
His speciality is Italian cuisine.
B2 noun /ˈaʊt.kʌm/

Outcome

Meaning
the result or consequence of an action or situation; the final product
Example
The outcome of the election surprised everyone.
B2 adjective /ˈhɒs.taɪl/

Hostile

Meaning
unfriendly; aggressive; antagonistic;
Example
The hostile environment made it difficult to work.
B2 noun /ˈrɛzərvwɑːr/

reservoir

Meaning
A large natural or artificial lake used as a source of water supply.
Example
The city built a new reservoir to ensure enough drinking water for its residents.
B2 adjective /dɪˈvɔːrst/

divorced

Meaning
No longer married because the marriage has been legally dissolved.
Example
She has been divorced for five years.
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 /ˈhɑːr.bər/

Harbour

Meaning
a place on the coast where vessels may find shelter; a place of safety or refuge
Example
The fishing boats returned safely to the harbour before the storm hit the coastline.
B2 adjective /ˈθʌroʊ/

thorough

Meaning
complete with regard to every detail; not superficial or partial
Example
The report was thorough and well-researched.
B2 noun /prəˈvɪʒ.ən/

Provision

Meaning
supplies of food and other necessary things; arrangement or preparation
Example
The government made provision for emergency supplies during the flood.
B2 adjective /ʌnhaɪˈdʒiːnɪk/

Unhygienic

Meaning
not clean; lacking proper sanitation
Example
The restaurant was closed due to unhygienic conditions in the kitchen.
B2 verb /əˈsaɪn/

assign

Meaning
to give someone a task, duty, or responsibility
Example
The manager will assign tasks to the new employees.
B2 noun /dɪsˈɡaɪz/

Disguise

Meaning
a means of altering one's appearance to conceal one's identity; something that hides the truth
Example
The spy wore an elaborate disguise to avoid being recognized by enemies.
B2 noun ˌreɪdɪˈeɪʃən

radiation

Meaning
The emission of energy as electromagnetic waves or as moving subatomic particles.
Example
Radiation from the sun can be harmful without protection.
B2 adjective /ʌnˌkənˈfɜːmd/

Unconfirmed

Meaning
not confirmed as true or definite; not verified or substantiated
Example
The report remains unconfirmed until we receive official verification.
B2 noun /wʌn θɜːd/

one-third

Meaning
one part of something that is divided into three equal parts
Example
One-third of the class was absent today.
B2 verb /blʌf/

bluff

Meaning
to deceive someone by pretending to have strength, knowledge, or resources that one does not actually possess
Example
He tried to bluff his way into the exclusive club.
B2 adjective /əˈkjuːt/

acute

Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
B2 noun /ˈnɪk.neɪm/

Nickname

Meaning
a familiar or humorous name given to a person instead of their real name
Example
His nickname is 'Tiger' because he's so brave.
B2 adverb /ˈræp.ɪd.li/

Rapidly

Meaning
at a fast speed; quickly
Example
The company is rapidly expanding into new markets.
B2 adjective /ˈlækɪŋ/

lacking

Meaning
not having enough of something; missing
Example
His report was lacking in detail.
B2 verb /soʊ/

sow

Meaning
to plant seeds in the ground; to scatter seeds for growing
Example
The farmer will sow wheat seeds in the field tomorrow.
B2 verb /ɪnˈherɪt/

inherit

Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
B2 noun /ˈboʊlər/

bowler

Meaning
a person who delivers the ball in cricket; also a type of hard felt hat with a rounded crown
Example
The bowler took three wickets in the first over.
B2 noun /həˈræsmənt/

harassment

Meaning
aggressive pressure or intimidation; unwanted and repeated behavior causing discomfort
Example
The company has a strict policy against workplace harassment.
B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

Meaning
Serving as an introduction; preliminary or preparatory.
Example
The professor gave an introductory lecture on economics.
B2 noun /sɪv/

Seive

Meaning
a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquids
Example
She used a sieve to separate the flour from lumps.