elusion
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C2 noun /ɪˈluːʒən/

elusion

Meaning
The act of escaping or avoiding something, especially by cleverness or trickery.
Example
His constant elusion of responsibility frustrated his colleagues.
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 /ˌɛkstrəˈdɪʃən/

extradition

Meaning
the official process of sending someone accused of a crime to another country or state
Example
The extradition of the suspect was delayed due to legal issues.
C1 adjective /ɪnˈtrɛntʃt/

entrenched

Meaning
Firmly established and unlikely to change.
Example
Corruption is deeply entrenched in the system.
C1 noun ˈɛf.lu.ənt

effluent

Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
A1 adverb /ɛls/

else

Meaning
In addition; besides.
Example
Is there anything else you need?
B1 adjective /ɪɡˈzækt/

Exact

Meaning
precise; accurate; completely correct
Example
Please give me the exact time of the meeting.
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.
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 /ɪnˈθjuː.zi.æz.əm/

Enthusiasm

Meaning
intense and eager enjoyment, interest, or approval
Example
Her enthusiasm for the project inspired the entire team.
B2 adjective /ɪˈlæs.tɪk/

Elastic

Meaning
able to stretch and return to original shape; flexible; adaptable
Example
The elastic band can stretch and return to its original shape.
C1 adjective /ˈɜːrθ.li/

Earthly

Meaning
relating to the earth or human life; worldly; material rather than spiritual
Example
He focused on earthly pleasures rather than spiritual growth.
C2 noun/adjective /ɪˈmɒliənt/

emollient

Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
C1 verb /ɪmˈbrɔɪl/

embroil

Meaning
to involve someone deeply in a conflict, argument, or difficult situation
Example
The politician was embroiled in a major corruption scandal.
B1 noun /ˈaɪ.braʊ/

Eyebrow

Meaning
the strip of hair growing on the ridge above the eye socket
Example
She raised her eyebrow in surprise.
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

Meaning
a curve traced by a point on the circumference of a circle that rolls around the outside of another circle
Example
The mathematician demonstrated how to draw an epicycloid.
B1 noun /ˈev.ɪ.dəns/

Evidence

Meaning
the available body of facts or information indicating whether a belief or proposition is true
Example
The detective found crucial evidence that solved the mysterious case.
C2 noun /ɪˌdʒækjʊˈleɪʃən/

ejaculation

Meaning
The action of suddenly saying something or the release of semen during sexual climax.
Example
His sudden ejaculation of joy surprised everyone in the room.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
B2 noun /ˌiː.kəˈnɒm.ɪk ˈsɪs.təm/

economic system

Meaning
The organized framework for production, distribution, and consumption of goods and services in society.
Example
Capitalism, socialism, and mixed economies are types of economic systems.
C2 verb /ɪˈmɛnd/

emend

Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
C1 noun /ɪɡˌzæm.ɪˈniː/

Examinee

Meaning
a person who is being tested in an examination
Example
Each examinee was given two hours to complete the test.
C2 verb /ˈɛmɪt/

emmet

Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
A1 adjective /ˈevri/

Every

Meaning
each one; all; without exception
Example
Every student must complete their homework.
C2 verb /ɪˈvɜːrt/

evert

Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
B1 adjective /ˌel.ɪˈmen.tər.i/

Elementary

Meaning
basic; fundamental; primary level
Example
He learned elementary mathematics in school.
C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
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.
C2 adjective /ˈɛrənt/

errant

Meaning
behaving wrongly or straying from the proper course or standards
Example
The teacher disciplined the errant student.
B2 noun /ɪmˈbærəsmənt/

embarrassment

Meaning
a feeling of self-consciousness, shame, or awkwardness
Example
Her face turned red with embarrassment after the mistake.
C1 noun /ˈɛpɪθɛt/

epithet

Meaning
A descriptive phrase or word used to characterize someone or something, often as a nickname.
Example
He earned the epithet ‘The Great’ for his remarkable achievements.
C2 adjective /juːˈdʒɛnɪk/

eugenic

Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
C2 adjective /ˈek.wə.bəl/

Equable

Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
B2 noun /ɪˈlɛktrɪk drɪl/

Electric drill

Meaning
A power tool used for drilling holes in various materials
Example
He used an electric drill to make holes in the wall for hanging pictures.
C2 verb /ɪnˈtwaɪn/

entwine

Meaning
to twist or wind together; to become closely connected or involved
Example
The vines entwine around the old fence.
B2 verb, noun /ɪkˈsplɔɪt/

exploit

Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
C2 noun /ˌɛpɪzəʊˈɒtɪk/

epizootic

Meaning
An outbreak of disease affecting many animals of one kind at the same time.
Example
The farmer feared an epizootic might wipe out his cattle.
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
C1 noun /ˈiːkwɪnɒks/

equinox

Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
C1 adjective /ɪˈluːsɪv/

elusive

Meaning
Difficult to find, catch, or achieve; hard to understand or define.
Example
The solution to the problem proved elusive.
B1 adjective /ˈel.dər.li/

Elderly

Meaning
aged; advanced in years; old
Example
The elderly man walked slowly with his cane.
C1 noun /ˌekspəˈzɪʃən/

exposition

Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
A2 verb /ˈentər/

enter

Meaning
to go into; to come or go inside
Example
Please knock before you enter the room.
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.
C1 noun /ɪˈklɪps/

Eclipse

Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
A1 pronoun /ˈɛvribɒdi/

everybody

Meaning
all people; everyone
Example
Everybody enjoyed the party.
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

Meaning
The quality of showing traits traditionally associated with women, such as delicacy or softness.
Example
In ancient times, effeminacy was often criticized as a sign of weakness.
C1 adjective /ɪˈvæljʊətɪv/

evaluative

Meaning
Relating to or involving evaluation or assessment.
Example
The evaluative phase of the project involves assessing its success.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
B1 verb /ɪnˈɡeɪdʒ/

engage

Meaning
To participate or become involved in; to attract or hold attention.
Example
The teacher tried to engage the students in the discussion.
C2 verb /ɪkˈspʌndʒ/

expunge

Meaning
To erase or remove completely, often something unwanted.
Example
He managed to expunge the embarrassing memory from his mind.
A2 noun/verb /ɪkˈsperɪmənt/

experiment

Meaning
a test or trial carried out to discover something or prove an idea
Example
The scientist conducted an experiment on plant growth.
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
B1 verb /ɪkˈsplɔːrɪŋ/

exploring

Meaning
Investigating or studying thoroughly; searching into or ranging over for the purpose of discovery.
Example
They are exploring different areas of Antarctica.
C1 verb /ˈiːkwəlaɪz/

equalize

Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
C1 noun /ɪˈvændʒəlɪst/

evangelist

Meaning
A person who seeks to convert others to the Christian faith, especially by public preaching.
Example
The evangelist traveled across the country spreading his message.
C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

Meaning
The act of government taking private property, also known as confiscation, nationalization, or seizure.
Example
The land expropriation led to disputes among landowners.
A1 noun, verb /ˈiː.meɪl/

e-mail

Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
B2 noun /ˌɛkspɜːˈtiːz/

expertise

Meaning
Expert knowledge or skill in a particular area.
Example
His expertise in graphic design is widely recognized.
C1 verb /ɪnˈɡʌlf/

engulf

Meaning
to completely surround or cover something or someone
Example
The village was engulfed by floodwaters.
C1 verb /ɪˈkɒnəmaɪz/

economize

Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
C2 noun /ɪˌkwɪvəˈkeɪʃən/

equivocation

Meaning
The use of ambiguous language to conceal the truth or to avoid committing oneself.
Example
The politician’s equivocation frustrated voters who wanted a clear answer.
B2 noun /ˈɜːnɪŋz/

earnings

Meaning
money obtained in return for labor or services
Example
Her monthly earnings are enough to support her family.
A2 noun /ˈɛləˌveɪtər/

elevator

Meaning
a machine that carries people or goods up and down between floors in a building
Example
We took the elevator to the tenth floor.
C1 adjective /ɪɡˈzæktɪŋ/

exacting

Meaning
demanding a lot of effort, attention, or precision
Example
She is known for her exacting standards in design.
C2 adjective /ɛmˈpaɪriəl/

empyreal

Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
B2 noun /ɪˈmɜːrdʒəns/

emergence

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

extortion

Meaning
the practice of obtaining something, especially money, through force or threats
Example
The businessman was arrested for extortion after threatening his partner.
B2 adjective /ɪkˈstɜːr.nəl/

External

Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
B2 verb /ɪɡˈzɜrt/

exert

Meaning
to apply or bring to bear; to use physical or mental effort
Example
He exerted all his strength to lift the heavy box.
B1 adjective ˌiːkəˈnɒmɪk

economic

Meaning
Relating to economics or the economy.
Example
The issue had significant economic implications.
B1 adjective /ˈɛnd.ləs/

Endless

Meaning
having no end; infinite; limitless
Example
The ocean seemed endless from the shore.
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.
C1 noun /juːˈfɔː.ri.ə/

euphoria

Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
C1 noun /ɪˈleɪʃən/

elation

Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
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 adjective /ɪˈkwɪv.ə.lənt/

Equivalent

Meaning
equal in value, amount, function, or meaning; having the same effect or result
Example
This amount is equivalent to ten dollars.
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.
C2 noun /ˌɛfəˈvɛsəns/

effervescence

Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
C1 adjective /ɪˈklɛktɪk/

eclectic

Meaning
Selecting or deriving ideas, styles, or tastes from a broad and diverse range of sources.
Example
Her taste in music is eclectic, ranging from classical to hip-hop.
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.
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
B2 adjective /ɪkˈsten.sɪv/

Extensive

Meaning
covering or affecting a large area; comprehensive; wide-ranging
Example
The company conducted extensive research before launching the new product.
C2 noun /ˈɛnsaɪn/

ensign

Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
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.
B2 noun /ˈɛmbəsi/

embassy

Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
C1 adjective /ˌɛɡzɪˈstɛnʃəl/

existential

Meaning
Relating to human existence, often concerning meaning or purpose of life.
Example
She went through an existential crisis during her midlife.
C1 verb /ɛmˈbɛzəl/

embezzle

Meaning
to steal or misuse money or property entrusted to one's care
Example
The accountant was arrested for embezzling company funds.
C1 noun /eb/

Ebb

Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
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.
B2 verb/noun /ɪɡˈzɪbɪt/

exhibit

Meaning
To display or show publicly; something put on display.
Example
The museum will exhibit ancient artifacts.
C1 noun /ɪɡˈzɛkjətər/

executor

Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
B2 adjective /ˌiːkəˈnɒmɪkl/

economical

Meaning
Careful in the use of resources; providing good value or efficiency.
Example
Driving a hybrid car is economical in the long run.
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.
B1 adjective /ɪnˈtaɪər/

Entire

Meaning
complete; whole; not divided or in parts
Example
She read the entire book in one sitting.
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.
B2 adjective /ɪkˈsɛntrɪk/

eccentric

Meaning
unconventional and slightly strange in behavior or appearance
Example
The artist was known for his eccentric style.
C2 verb /ˌɛvəˈnɛs/

evanesce

Meaning
To disappear gradually; to fade away.
Example
The mist began to evanesce as the sun rose higher.
B2 verb /ɪkˈskleɪm/

exclaim

Meaning
to cry out suddenly in surprise, strong emotion, or excitement
Example
She exclaimed with joy when she saw the gift.
B1 adjective /ɪnˈkɝr.ɪ.dʒɪŋ/

Encouraging

Meaning
giving support or confidence; inspiring; motivating
Example
The teacher's encouraging words motivated the students.
A1 adjective /ɪkˈsaɪtɪd/

excited

Meaning
very enthusiastic and eager about something
Example
The children were excited to open their presents.
B2 noun /ɪnˌvaɪrənˈmɛntəl ˈmuːvmənt/

environmental movement

Meaning
A social or political movement aimed at protecting the environment and promoting sustainable practices through advocacy, education, and policy changes.
Example
The environmental movement focuses on reducing pollution and protecting ecosystems.
B2 adjective /ɪkˌsperɪˈmentl/

experimental

Meaning
based on untested ideas or techniques; relating to experiments or testing
Example
The scientists developed an experimental drug to treat cancer.
B2 verb /ɪˈvɑːlv/

evolve

Meaning
to develop gradually, especially into a more complex or advanced state
Example
Over time, the company evolved into a global brand.
C2 verb /ˈjuːləˌdʒaɪz/

eulogize

Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
C1 adjective /ɪˈspeʃəl/

especial

Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
A2 noun/verb /ˌɛndʒɪˈnɪər/

engineer

Meaning
A person trained to design, build, or maintain engines, machines, or structures; to skillfully arrange or bring about.
Example
The engineer designed a new bridge across the river.
C1 verb /ˈɛm.ə.neɪt/

emanate

Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
C1 verb /ɪnˈθjuːz/

enthuse

Meaning
to express excitement or admiration
Example
She enthused about her trip to Italy.
C1 adjective ɪˈθɪə.ri.əl

ethereal

Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
C1 adjective /ɛsˈθɛtɪk/

esthetic

Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
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.
C1 adjective /ɪkˈskjuːzəbl/

excusable

Meaning
Able to be forgiven or justified.
Example
Her mistake was excusable given the circumstances.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
C2 adjective /ɪkˈstɛnsəbl/

extensible

Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
C1 verb /iːk/

eke

Meaning
to make a small amount of something last longer by using it sparingly
Example
The family tried to eke out their savings during the tough months.
C2 noun /ɪˈfrʌntəri/

effrontery

Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
B1 noun ˈiːˌkɒm.ɜːrs

e-commerce

Meaning
The process of buying and selling goods or services through the internet.
Example
E-commerce has revolutionized the way people shop.