exponent
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C1 noun /ɪkˈspoʊnənt/

exponent

Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
C2 adjective /ˈɛrənt/

errant

Meaning
behaving wrongly or straying from the proper course or standards
Example
The teacher disciplined the errant student.
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.
C1 adjective /ɪˈnæmərd/

enamored

Meaning
filled with love or admiration
Example
He became enamored with classical music after attending the concert.
C1 adjective /ˌɛm.briˈɒn.ɪk/

embryonic

Meaning
in an early or undeveloped stage; relating to an embryo
Example
The project is still in its embryonic stage.
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.
B2 verb ˈɛskəleɪt

escalate

Meaning
To increase rapidly; to become more intense or serious
Example
The aging population is escalating at an alarming rate.
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.
A2 noun /ɪkˈsaɪt.mənt/

Excitement

Meaning
a feeling of great enthusiasm and eagerness
Example
The children could barely contain their excitement about the upcoming field trip.
C2 verb /ɛnˈfiːbəl/

enfeeble

Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
C2 noun /ˈɛpɪˌsaɪkl/

epicycle

Meaning
a small circle whose center moves around the circumference of a larger one, used in ancient astronomy
Example
The concept of the epicycle was used to explain planetary motion.
B2 noun /iˈkɒl.ə.dʒi/

ecology

Meaning
the study of how living things interact with each other and their environment
Example
Ecology helps us understand how pollution affects animals and plants.
A2 noun /ɪksˈtʃeɪndʒ/

Exchange

Meaning
an act of giving one thing and receiving another in return
Example
The exchange of gifts is a common tradition during the holidays.
C2 noun ˌiːkwəˈnɪməti

equanimity

Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
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.
A2 noun ˌedʒ.ʊˈkeɪ.ʃən

education

Meaning
The process of receiving or giving systematic instruction, especially at a school or university.
Example
Quality education is key to progress.
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.
B2 adjective /ɪˈven.tʃu.əl/

Eventual

Meaning
happening or existing at the end of a process; final; ultimate
Example
The eventual outcome was better than expected.
B2 verb, adjective /ɪˈlæbəreɪt/ (verb), /ɪˈlæbərət/ (adjective)

elaborate

Meaning
verb: to explain something in detail; adjective: detailed and complicated in design
Example
She asked him to elaborate on his proposal.
B2 verb /ɪnˈhæns/

enhance

Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
B1 adjective /ɪnˈtaɪər/

Entire

Meaning
complete; whole; not divided or in parts
Example
She read the entire book in one sitting.
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
B2 noun /ˌek.spekˈteɪ.ʃən/

Expectation

Meaning
a strong belief that something will happen or be the case; anticipation
Example
The new teacher exceeded everyone's expectations with her innovative teaching methods.
B1 noun /ɪˈskeɪp/

Escape

Meaning
an act of breaking free from confinement or control; a way out
Example
The prisoner's escape from the jail shocked the authorities.
A2 noun /ˈɛndʒɪn/

engine

Meaning
A machine designed to convert energy into mechanical power.
Example
The car's engine failed on the highway.
C1 verb /ɪˈnjuːməˌreɪt/

enumerate

Meaning
to mention things one by one; to list or count
Example
She enumerated the reasons for her decision.
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.
A2 noun /ɪˈlek.trɪk fæn/

Electric fan

Meaning
a device with rotating blades that creates airflow to cool or ventilate a room
Example
The electric fan keeps the room cool during hot summer days.
B2 adverb /ɪkˈstɛnsɪvli/

extensively

Meaning
in a thorough or wide-ranging manner
Example
She traveled extensively across Europe for her research.
C2 noun /ɪˌkliːziˈæstɪk/

ecclesiastic

Meaning
A member of the clergy or church official.
Example
The council was attended by several high-ranking ecclesiastics.
B2 adverb /ˈiːɡərli/

Eagerly

Meaning
with keen interest or enthusiasm; with great desire
Example
The children eagerly waited for the holiday to begin.
C2 noun /ˈiːɡlət/

eaglet

Meaning
A young eagle.
Example
The eaglet waited in the nest for its mother to return.
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.
C2 verb /ɪnˈskɒns/

ensconce

Meaning
to settle comfortably or securely in a place; to hide or shelter firmly
Example
She ensconced herself in a cozy armchair by the fireplace.
B1 adjective /ɪˈsɛnʃəl/

essential

Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
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.
C1 noun ˈɛksəʊˌplænɪt

exoplanet

Meaning
A planet that orbits a star outside the solar system.
Example
Astronomers have discovered thousands of exoplanets in the last decade.
B2 noun /ˈɛntəti/

entity

Meaning
something that exists as a single and complete unit; an organization or being
Example
The new company will operate as a separate legal entity.
B1 verb /ɪɡˈzɪst/

exist

Meaning
to have being or reality; to be present
Example
Dinosaurs existed millions of years ago.
B2 adjective ɪkˈsep.ʃən.əl

exceptional

Meaning
Unusually good; outstanding; forming an exception; not typical.
Example
Exceptional talent drives innovation.
C2 verb /ɪnˈdjuː/

endue

Meaning
To provide or endow with a quality or ability.
Example
The leader was endued with wisdom and courage.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
C2 adjective /ɪˈlɪʒən/

elysian

Meaning
Relating to or characteristic of paradise; delightful and heavenly.
Example
They spent an elysian week on the quiet island.
C2 adjective /ˈɛstɪməbl/

estimable

Meaning
Worthy of great respect.
Example
Her estimable achievements inspired the whole community.
C1 noun /ɪnˈtaɪtəlmənt/

entitlement

Meaning
the belief that one is inherently deserving of privileges or special treatment; a right to benefits
Example
The program provides entitlement to health care.
C1 verb /ɪkˈspend/

expend

Meaning
to use up or consume; to spend energy or resources
Example
He expended all his energy on the project.
B1 noun /ɪkˈsep.ʃən/

Exception

Meaning
a person or thing that is excluded from a general statement or does not follow a rule
Example
Most students passed the exam, with the exception of a few who were absent.
C2 adjective /ˈɛksplɪkəbəl/

explicable

Meaning
able to be explained or understood
Example
His sudden anger was explicable given the stressful situation.
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 /ɪkˈspɒzɪtəri/

expository

Meaning
intended to explain or describe something
Example
The teacher gave an expository lecture on the topic.
C1 verb /ɪnˈkrəʊtʃ/

encroach

Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
B1 verb /ɪmˈbærəs/

embarrass

Meaning
to cause someone to feel awkward, self-conscious, or ashamed
Example
His rude comment really embarrassed her in front of everyone.
B2 verb /ˈɛskɔrt/

escort

Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
C1 noun ˌiː.kəʊˈfrend.li ˌɜː.bən.aɪˈzeɪ.ʃən

eco-friendly urbanization

Meaning
The development of cities in a way that is not harmful to the environment.
Example
Eco-friendly urbanization reduces environmental degradation.
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
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 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.
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

Meaning
To clear someone from blame or accusation.
Example
The court exonerated her from all charges.
B2 adjective /ɪnˈtaɪtəld/

entitled

Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
C1 verb /ɪnˈθrɔːl/

enthrall

Meaning
to captivate or hold someone’s attention completely
Example
The magician’s tricks enthralled the children.
C1 adjective /ˈɜːr.nɪst/

Earnest

Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
B2 verb /ɪnˈteɪl/

entail

Meaning
to involve something as a necessary or inevitable part or consequence
Example
The job will entail a lot of travel across the country.
B2 verb /ɪkˈsɛl/

excel

Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
C2 adjective /ɛmˈpaɪriəl/

empyreal

Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
A2 noun /ɪˈkɒn.ə.mi/

economy

Meaning
The wealth and resources of a country or region.
Example
A stable economy is essential for national growth.
B2 verb /ɪˈvæljueɪt/

evaluate

Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
C2 adjective /ɪˈfiːt/

effete

Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
B1 noun /ˈɛlɪmənt/

element

Meaning
A basic or essential part of something; a simple substance that cannot be broken down further.
Example
Trust is a key element of any strong relationship.
B2 adjective /ɪkˈsprɛsɪv/

expressive

Meaning
Effectively conveying thought or feeling.
Example
Her eyes were so expressive that no words were needed.
C2 noun /ˌɛntəˈmɒlədʒi/

entomology

Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
C1 adjective /ɪnˈθrɔː.lɪŋ/

enthralling

Meaning
Captivating and holding one's attention completely; fascinating.
Example
The movie was enthralling, keeping the audience engaged till the end.
B1 noun /ˈɛldər/

elder

Meaning
a person who is older or has higher rank; an older person in a family or community
Example
We should always respect our elders.
C1 noun /ɪˈnɔːrmɪti/

enormity

Meaning
The extreme scale, seriousness, or extent of something perceived as bad or morally wrong.
Example
The enormity of the crime shocked the entire community.
C2 verb /ɪˈfjuːz/

effuse

Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

Meaning
a formal test of knowledge or ability
Example
She is preparing for her final examination.
C2 verb /ɪnˈθrɔːl/

enthral

Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
B2 noun ɪkˈspænʃən

expansion

Meaning
The action of becoming larger or more extensive; growth or development.
Example
Volunteering helps in the expansion of social networks.
A1 pronoun /ˈɛvribɒdi/

everybody

Meaning
all people; everyone
Example
Everybody enjoyed the party.
B1 verb /ɪkˈstend/

extend

Meaning
to make longer or larger; to stretch out; to offer or give
Example
The company decided to extend the deadline for the project.
B1 adjective /ˌel.ɪˈmen.tər.i/

Elementary

Meaning
basic; fundamental; primary level
Example
He learned elementary mathematics in school.
C2 noun /juː/

Ewe

Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
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 /ˈɛlɪdʒi/

elegy

Meaning
A poem or song expressing sorrow, especially for someone who has died.
Example
The poet wrote an elegy for his late friend.
A1 noun /ˈiːv.nɪŋ/

evening

Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
B2 verb /ɪnˈtaɪtəl/

entitle

Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
C2 noun /ˈɛksplɪkeɪtər/

explicator

Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
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.
C1 adjective /ɪˈvɒkətɪv/

evocative

Meaning
bringing strong images, memories, or feelings to mind
Example
The music was evocative of her childhood memories.
B2 verb /ɪnˈdjʊər/

endure

Meaning
to suffer something difficult or unpleasant patiently
Example
He had to endure years of hardship before achieving success.
A2 noun ˈen.ə.dʒi

energy

Meaning
Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Example
Clean energy sources help reduce pollution.
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 /ɪˈnæmər/

enamor

Meaning
to be filled with love or admiration for
Example
She was enamored with the beautiful scenery.
B2 noun /ˌɛkspɜːˈtiːz/

expertise

Meaning
Expert knowledge or skill in a particular area.
Example
His expertise in graphic design is widely recognized.
A2 noun ɪˈmɜː.dʒən.si

emergency

Meaning
A sudden situation that is dangerous or serious and needs immediate attention or action.
Example
A financial emergency can arise at any time.
C1 adjective /ɪˈspeʃəl/

especial

Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
C2 verb /ɛnˈdʒɔɪn/

enjoin

Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
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 /ɪˈpɪt.ə.mi/

epitome

Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
B2 verb /ɪˈreɪs/

erase

Meaning
to remove completely; to delete or wipe out
Example
Use an eraser to erase the pencil marks.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
B1 noun /ˈɛpɪsoʊd/

episode

Meaning
An event or part of a story, or one installment in a series.
Example
The last episode of the drama was watched by millions.
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.
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.
B2 verb /ɪkˈstrækt/

extract

Meaning
to remove or take out something, often with effort
Example
The dentist had to extract the damaged tooth.
C1 adjective /ˈevər ˈlæstɪŋ/

Ever-lasting

Meaning
eternal; permanent; enduring forever
Example
Their love is ever-lasting and will never fade.
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.
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
C2 verb /ɪkˈspeɪʃiˌeɪt/

expatiate

Meaning
to speak or write at length or in detail
Example
The professor expatiated on the importance of critical thinking.
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.
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
C2 verb /ɪkˈstruːd/

extrude

Meaning
to force something out through a small opening; to shape by pushing material through a mold
Example
The factory extrudes plastic pipes using modern machines.
B2 adjective ɪkˈsplɪsɪt

explicit

Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
B2 adjective /ˈiːtəbl̩/

eatable

Meaning
suitable or safe for eating
Example
The berries are not only eatable but also quite tasty.
C2 verb /ɛmˈbleɪzən/

emblazon

Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
A2 adjective /ɪˌlɛkˈtrɒnɪk/

electronic

Meaning
Operating with or produced by the use of electronic devices.
Example
She bought an electronic keyboard for her music lessons.
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.
A2 adjective ˈiːkwəl

equal

Meaning
Being the same in quantity, size, degree, or value; having the same status or treatment.
Example
Bose was regarded as Galileo's equal.
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.
C2 verb /ɪnˈtriːt/

entreat

Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
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.