ecosystem collapse
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C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
A2 verb /ɪkˈspleɪn/

explain

Meaning
to make something clear or easy to understand by describing it in more detail
Example
The teacher explained the difficult concept to the students.
B1 noun /ɪnˈkʌrɪdʒmənt/

encouragement

Meaning
the action of giving someone support, confidence, or hope
Example
Her encouragement helped me finish the project.
C1 adjective /ɪˈfɛm.ər.əl/

ephemeral

Meaning
Lasting for a very short time; temporary or transitory.
Example
The beauty of cherry blossoms is ephemeral.
C2 noun /ˈɛpəʊd/

epode

Meaning
A form of lyric poem written in couplets, often following a strophe and antistrophe in classical Greek poetry.
Example
The poet concluded his ode with a striking epode.
B1 verb /ɪnˈʃʊər/

ensure

Meaning
To make certain that something will happen or be the case.
Example
Please ensure that the door is locked before you leave.
B2 verb /ɪnˈkaʊntər/

encounter

Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
C2 verb /ɪˈfɛktʃueɪt/

effectuate

Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
C2 noun /ɪˈfrʌntəri/

effrontery

Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
B1 adjective ɪˈstæb.lɪʃt

established

Meaning
Having been in existence for a long time and therefore recognized and generally accepted; set up on a firm or permanent basis.
Example
Democracy was established under strong leadership.
C2 noun /ˈɛksplətɪv/

expletive

Meaning
a word or phrase used as an exclamation, often offensive or profane
Example
He shouted an expletive when he dropped the hammer on his foot.
A2 noun /ˈel.ɪ.fənt/

Elephant

Meaning
a very large gray mammal with long curved teeth and a long nose called a trunk
Example
The elephant is the largest land animal in the world.
B1 noun /ɪˌlɛkˈtrɒnɪks/

electronics

Meaning
the branch of physics and technology dealing with circuits and devices using transistors, microchips, and other components
Example
He studied electronics at university.
C2 adjective /ˈeksɪkrəbl/

execrable

Meaning
Extremely bad or unpleasant.
Example
The movie was so execrable that many people left the theater early.
A1 pronoun /ˈɛvrɪθɪŋ/

everything

Meaning
all things; the whole lot
Example
He packed everything in his suitcase.
B2 noun ˌiːkəˈlɒdʒɪkəl ˈbæləns

ecological balance

Meaning
A state of dynamic equilibrium within a community of organisms.
Example
Maintaining ecological balance is essential for a sustainable planet.
C1 verb /ɪnˈlɪst/

enlist

Meaning
to join or sign up, especially for military service; to secure someone's support or help
Example
He decided to enlist in the army after graduation.
B2 verb /ɪmˈbɒdi/

embody

Meaning
To give tangible or visible form to an idea, quality, or feeling.
Example
She embodies the spirit of generosity.
A1 number /eɪt/

eight

Meaning
The number equivalent to the product of two and four; one more than seven.
Example
There are eight apples in the basket.
B2 noun /ɪɡˈzæmɪnər/

examiner

Meaning
A person who tests or inspects knowledge, skills, or qualifications
Example
The examiner reviewed each student's answer sheet carefully.
C2 verb /ɪsˈtʃuː/

eschew

Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
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.
C2 verb /ɛksˈhjuːm/

exhume

Meaning
to dig out something buried, especially a body from the ground
Example
The archaeologists decided to exhume the ancient remains.
C1 verb /ɪˈmænsɪpeɪt/

emancipate

Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
B2 verb /ɪmˈbɑːrk/

embark

Meaning
to begin a journey, project, or activity
Example
She decided to embark on a new career in medicine.
C1 noun ˈiː.pɒk

epoch

Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
C1 noun /ˈɜːrθənˌwɛr/

earthenware

Meaning
pottery made of clay and hardened by heat
Example
The shop displayed beautiful earthenware pots and bowls.
C1 noun /ɪkˈstriː.mɪst/

Extremist

Meaning
a person who holds extreme political or religious views
Example
The government is taking measures to prevent extremist activities.
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
A2 adjective /ˈeksələnt/

Excellent

Meaning
extremely good; outstanding; superior
Example
She received excellent grades in all her subjects.
B1 noun /ɪˈlɛkʃən/

election

Meaning
The process of choosing someone for public office by voting.
Example
The election will be held next month.
C1 adjective ˌɜː.ɡəˈnɒm.ɪk

ergonomic

Meaning
Designed for efficiency and comfort in the working environment; user-friendly and reducing strain.
Example
The chair has an ergonomic design for better posture.
C1 noun /ˈiːzl̩/

easel

Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
A1 noun /end/

End

Meaning
the final part of something; termination or conclusion
Example
The end of the movie was unexpected and left everyone surprised.
C1 noun /ˈen.mə.ti/

Enmity

Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
C2 verb /ɪˈstreɪndʒ/

estrange

Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
C2 noun /ɪˈfluːviəm/

effluvium

Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
C1 verb ˈɛk.spɪ.daɪt

expedite

Meaning
Make an action or process happen sooner or be accomplished more quickly.
Example
The government took steps to expedite the approval process.
B1 noun /ˈen.trəns/

Entrance

Meaning
an opening that allows access to a place; the action of entering
Example
The main entrance to the building was decorated with beautiful flowers.
C2 noun /ˈɛmɪsɛri/

emissary

Meaning
A person sent on a special mission, usually as a diplomatic representative.
Example
The king sent an emissary to negotiate peace.
C1 noun ɪˈveɪ.ʒən

evasion

Meaning
The practice of avoiding or escaping from something, especially responsibility or duty.
Example
His evasion of responsibilities frustrated his colleagues.
C1 noun /ˈɜːr.θən pɒt/

Earthen pot

Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
C1 verb /ˈɛkˌsaɪz/

excise

Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
B2 noun /ɪˈmɜːrdʒəns/

emergence

Meaning
the process of coming into view, existence, or prominence
Example
The emergence of new technologies has transformed communication.
C1 verb /ɪˈdʒektɪd/

ejected

Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
A2 noun /ɪˈkwɪpmənt/

equipment

Meaning
the necessary tools, machines, or other items needed for a particular purpose
Example
The laboratory bought new equipment for research.
C1 noun /ɒnˈsɒmbəl/

ensemble

Meaning
a group of things or people viewed as a whole, especially performers in music or theater
Example
The theater ensemble gave a spectacular performance.
C2 verb /ɪnˈsnɛər/

ensnare

Meaning
to catch or trap, often by trickery or deceit
Example
The hunter ensnared the rabbit with a net.
B2 noun /ɪkˈsploʊʒən/

explosion

Meaning
a violent burst or release of energy, often causing damage and noise
Example
The explosion shook the entire neighborhood.
B2 noun /ˈaɪ.saɪt/

Eyesight

Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
C1 verb /ɪnˈdʒen.dər/

engender

Meaning
To cause or give rise to a feeling, situation, or condition.
Example
The speech engendered hope among the people.
C1 noun /ˈiːɡoʊɪst/

egoist

Meaning
A person who is excessively concerned with themselves; someone who believes in or practices egoism.
Example
She avoided him because he was a selfish egoist.
C2 verb /ˈɛkskʌlpeɪt/

exculpate

Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
C2 noun /ɪkˈsɪʒən/

excision

Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
C1 adjective /ˈɜːr.θən/

Earthen

Meaning
made of earth or clay; relating to pottery or ceramic materials
Example
The kitchen had beautiful earthen pots for storage.
C2 verb /ɪmˈbɪtər/

embitter

Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
B2 noun /ɪˈrʌp.ʃən/

Eruption

Meaning
a sudden violent occurrence or outburst; volcanic explosion
Example
The volcanic eruption forced thousands of people to evacuate the area.
C1 adjective ɪɡˈzɛmpləri

exemplary

Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
C2 verb /ɪˈdjuːs/

educe

Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
B2 noun /ˈek.oʊ/

Echo

Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
C1 noun /ˈɛkstrəˌvɜːrt/

extrovert

Meaning
a person who is outgoing, sociable, and energized by being around other people
Example
As an extrovert, she enjoys meeting new people at social events.
C1 adjective /ɪˈkwɛstriən/

equestrian

Meaning
Relating to horse riding or horseback riders.
Example
She won several equestrian competitions.
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
B2 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
C1 noun /ˈɑːnkɔːr/

encore

Meaning
An additional performance demanded by an audience at the end of a show.
Example
The band returned to the stage for an encore.
B1 adjective /ɪɡˈzækt/

Exact

Meaning
precise; accurate; completely correct
Example
Please give me the exact time of the meeting.
A1 adjective /ɪkˈsaɪtɪd/

excited

Meaning
very enthusiastic and eager about something
Example
The children were excited to open their presents.
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

Meaning
the act of gradually intruding or taking over someone’s rights, land, or space
Example
The villagers protested against the encroachment on their farmland.
C1 adverb ɪkˌsperɪˈmentəli

experimentally

Meaning
In a way that is based on or derived from experiment and observation rather than theory.
Example
Bose demonstrated findings experimentally.
B2 noun /ɪˈkweɪʒən/

equation

Meaning
a mathematical statement that shows the equality of two expressions
Example
He solved the equation to find the value of x.
B1 verb /ˈɛstɪˌmeɪt/

estimate

Meaning
To roughly calculate or judge the value, number, quantity, or extent of something.
Example
The engineer estimated the cost of the project at $5 million.
B1 noun /ˌiː.kəˈnɒm.ɪk ɡrəʊθ/

Economic Growth

Meaning
The increase in the production of goods and services in an economy over time, measured by the expansion of economic output, income, and investment.
Example
The country's economic growth has been remarkable over the past decade.
C1 verb /ɪˈkɒnəmaɪz/

economize

Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
A1 adjective /eɪtθ/

eighth

Meaning
coming after the seventh position in a sequence; one of eight equal parts
Example
She finished in eighth place in the race.
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.
B2 adjective /ˈed.ɪ.bəl/

Edible

Meaning
safe to eat; suitable for consumption
Example
Only edible mushrooms should be used in cooking.
C1 noun ɪˌlæˈstɪs.ə.ti

elasticity

Meaning
The responsiveness of demand or supply to changes in price.
Example
The elasticity of demand for luxury goods is high.
B1 noun /ˈiː.tɪŋ ˈhæb.ɪts/

eating habits

Meaning
A person's usual pattern and preferences in food consumption.
Example
Developing good eating habits leads to better health.
B2 adjective /ɪkˈskluːsɪv/

exclusive

Meaning
restricted to a particular person, group, or area; not shared with others
Example
The hotel offers exclusive access to a private beach.
C1 adjective ɪmˈpɪr.ɪ.kəl

empirical

Meaning
Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
Example
Scientific research relies on empirical evidence.
B2 adjective /ɪɡˈzɔː.stɪd/

exhausted

Meaning
Extremely tired; having no energy left.
Example
Feeling exhausted after waking up is common.
A2 adjective /ɪkˈspɛnsɪv/

expensive

Meaning
costing a lot of money
Example
That car is too expensive for me to buy.
C2 verb /ˈɛdɪfaɪ/

edify

Meaning
To instruct or improve someone morally or intellectually.
Example
Good books can both entertain and edify the reader.
A2 noun /ˈen.ə.mi/

Enemy

Meaning
a person who is actively opposed or hostile to someone or something
Example
In the story, the hero had to face his greatest enemy.
C1 verb /ˈɛkstrəˌdaɪt/

extradite

Meaning
to hand over a person accused or convicted of a crime to another country or state
Example
The government agreed to extradite the fugitive to his home country.
B2 verb /ɪmˈpaʊər/

empower

Meaning
To give someone the power or authority to do something; to make someone stronger or more confident.
Example
Education can empower people to improve their lives.
B2 noun /iˈkɒlədʒɪst/

ecologist

Meaning
A scientist who studies the relationships between living organisms and their environment.
Example
The ecologist studied the effects of pollution on the forest ecosystem.
C1 verb /ɪkˈstɔːrt/

extort

Meaning
to obtain something, especially money, by force, threats, or unfair means
Example
The gang attempted to extort money from local shopkeepers.
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 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
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.
B1 adjective /ˈel.dər.li/

Elderly

Meaning
aged; advanced in years; old
Example
The elderly man walked slowly with his cane.
B1 verb /ˈɛmfəˌsaɪz/

emphasize

Meaning
to give special importance or attention to something
Example
The teacher emphasized the importance of homework.
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
C2 noun /ɪnˈkʌmbrəns/

encumbrance

Meaning
a burden or obstacle that makes progress or movement difficult
Example
Debt can become a serious encumbrance in life.
C2 verb /ˈekspərˌɡeɪt/

expurgate

Meaning
To remove offensive or objectionable parts from a text or speech.
Example
The publisher decided to expurgate the novel before reprinting it.
C1 noun /ɪˌlæbəˈreɪʃən/

elaboration

Meaning
the process of adding more detail or expanding on something
Example
The teacher appreciated the student's elaboration of the topic.
B2 noun /ɪkˈspəʊʒər/

exposure

Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
A2 noun /ɪˈfekt/

Effect

Meaning
a change that is a result or consequence of an action or other cause
Example
The new medicine had a positive effect on the patient's recovery.
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

Meaning
the fact or process of being set free from legal, social, or political restrictions
Example
The emancipation of slaves was a significant moment in American history.
B2 noun /ɪnˈfɔːrsmənt/

enforcement

Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.
C1 noun /ɪnˈdɪrmənt/

endearment

Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
B2 verb /ɪmˈbɑːrkɪŋ/

embarking

Meaning
Beginning a journey or enterprise.
Example
The group is embarking on a long journey.
C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

Meaning
Unreasonably high in price or cost; excessive.
Example
The hotel charged an exorbitant price for a basic room.
C2 adjective /juːˈfoʊniəs/

euphonious

Meaning
Pleasing to the ear; having a sweet sound.
Example
The poet's euphonious language made the verse a delight to read.
C2 adjective /ɪˈfɛmɪnət/

effeminate

Meaning
Having traits, tastes, or habits traditionally considered feminine, often used negatively for men.
Example
The critics described him as effeminate due to his gentle manner.
C2 adjective /ɪˈfiːt/

effete

Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
C1 adjective /ˈɛm.ɪ.nənt/

eminent

Meaning
Famous and respected within a particular sphere or profession.
Example
He is an eminent scientist known for groundbreaking research.
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
C1 noun /ˈɒntʊrɑːʒ/

entourage

Meaning
A group of people attending or surrounding an important person.
Example
The celebrity arrived with her entourage of assistants and bodyguards.
C2 verb /ˈɛksplɪkeɪt/

explicate

Meaning
to make an idea or principle clear by explaining it in detail
Example
The professor tried to explicate the theory of relativity for his students.
A2 abbreviation /ɛtˈsɛtərə/

etc

Meaning
Used to indicate additional, similar items in a list that are not mentioned.
Example
The shop sells fruits, vegetables, dairy, etc.
B1 verb /ˈedɪt/

edit

Meaning
to make changes to improve or correct something
Example
I need to edit this document before submission.
C2 verb /ˈek.stər.peɪt/

extirpate

Meaning
to completely remove or destroy something unwanted
Example
The government launched a program to extirpate corruption from public offices.
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.
B1 adjective /ɪˈsɛnʃəl/

essential

Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
C2 verb /ɪˈvɜːrt/

evert

Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.