efficacy
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C1 noun /ˈɛf.ɪ.kə.si/

efficacy

Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
A1 noun /eɡ/

Egg

Meaning
an oval object laid by female birds, reptiles, fish, and insects, used as food
Example
I had scrambled eggs for breakfast this morning.
A1 noun /ɪɡˈzɑːm.pəl/

example

Meaning
a thing or person regarded as a model to be followed or avoided
Example
He is a good example of a hardworking student.
B2 adjective /ɪkˈskluːdɪd/

Excluded

Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
B2 noun /ɪˈstæblɪʃmənt/

establishment

Meaning
An organization, business, or system; the act of setting something up.
Example
The restaurant is a new establishment in town.
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.
C2 noun /ˌɛksaɪˈteɪʃən/

excitation

Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
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 /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 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.
C1 verb /ɪɡˈzɒnəreɪt/

exonerate

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

escort

Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
C2 noun /ˌɛksɪˈɡjuːɪti/

exiguity

Meaning
the quality of being scanty or meager in amount
Example
The exiguity of resources made the project difficult to complete.
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
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 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
C2 adjective /ɪɡˈzɔːstɪbəl/

exhaustible

Meaning
able to be used up completely; not infinite
Example
Coal and oil are exhaustible resources.
C1 noun /ɪmˈbɛzlmənt/

embezzlement

Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
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.
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.
C1 verb /ɪnˈdaʊ/

endow

Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
C2 adjective /ɪˈfjuːsɪv/

effusive

Meaning
Expressing feelings of gratitude, pleasure, or approval in an unrestrained or heartfelt manner.
Example
She gave him an effusive welcome after his long journey.
C2 adjective /ˌɛpɪkjʊˈriːən/

epicurean

Meaning
relating to the enjoyment of fine food, drink, and luxury
Example
The chef prepared an epicurean feast for the guests.
B1 adjective /ɪˈsɛnʃəl/

essential

Meaning
Absolutely necessary; extremely important.
Example
Water is essential for life.
B2 verb /ɪkˈspoʊz/

expose

Meaning
to reveal or uncover; to make visible or known
Example
The investigation exposed the truth about the scandal.
C1 verb /ɪˈdʒɛkt/

eject

Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
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.
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.
C2 adjective /ɪkˈskɜːsɪv/

excursive

Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
C1 noun /ˈɜːrθənˌwɛr/

earthenware

Meaning
pottery made of clay and hardened by heat
Example
The shop displayed beautiful earthenware pots and bowls.
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
C2 verb /ˈɛnərˌveɪt/

enervate

Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
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.
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 /eb/

Ebb

Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
C2 adjective /ˌɛkspəˈdɪʃəs/

expeditious

Meaning
Done with speed and efficiency.
Example
The expeditious delivery of the package was appreciated.
C1 verb /ɪmˈbrɔɪdər/

embroider

Meaning
to decorate fabric with patterns using a needle and thread
Example
She embroidered flowers on the pillowcase.
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

Meaning
Excessively self-absorbed or conceited.
Example
Her egotistical behavior made it difficult for her to maintain friendships.
C2 verb /ɪnˈsaɪfər/

encipher

Meaning
to convert a message into code or cipher
Example
The agent enciphered the secret message before sending it.
C2 noun /ɪksˈtʃɛkər/

exchequer

Meaning
The treasury of a state or country.
Example
The government announced new measures to improve the exchequer.
B2 noun /ɪnˈθuziæst/

enthusiast

Meaning
a person who is very interested in a particular activity or subject
Example
He is a football enthusiast and watches every match.
C1 verb /ɪɡˈzuːd/

exude

Meaning
to display a quality strongly and openly; to release a liquid or smell slowly
Example
He exudes confidence whenever he speaks in public.
A2 verb ɜrn

earn

Meaning
To obtain money, typically as payment for work or through investment; to acquire or deserve through one's efforts.
Example
Assets help you earn income even while sleeping.
B2 verb ˈel.ɪ.veɪt

elevate

Meaning
To lift to a higher position; to raise to a more important or impressive level.
Example
Good leadership can elevate team performance.
B2 verb /ɪnˈrɪtʃ/

enrich

Meaning
To improve or enhance the quality or value of something.
Example
Space exploration enriches human understanding.
A1 determiner/pronoun /iːtʃ/

each

Meaning
every one of two or more people or things considered separately
Example
Each student received a certificate.
B1 adjective /ɪkˈspɪəriənst/

experienced

Meaning
having knowledge or skill in a particular field gained through experience
Example
She is an experienced teacher who knows how to handle difficult students.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
C1 adjective ˈek.wɪ.tə.bəl

equitable

Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
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 /ɪkˈstræpəleɪtɪŋ/

extrapolating

Meaning
Extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends will continue.
Example
Extrapolating from the current data, we can estimate the trends for next year.
C1 noun /ɪˈleɪʃən/

elation

Meaning
A feeling of great happiness and excitement.
Example
His elation was evident after winning the championship.
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
C2 verb /ˈeksɪkreɪt/

execrate

Meaning
To feel or express great loathing or hatred for something.
Example
The community execrated the corrupt politician.
C2 verb /ɪˈfeɪs/

efface

Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
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.
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.
B1 adjective /ɪkˈstendɪd/

extended

Meaning
longer or larger than usual; continuing for a longer time
Example
They took an extended vacation in Europe this summer.
B1 noun /ɪkˈspens/

Expense

Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
C2 noun /ɪˈlɪksər/

elixir

Meaning
A magical or medicinal potion believed to cure illnesses or grant immortality.
Example
The old legend spoke of an elixir that could grant eternal youth.
B2 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
C2 verb /ɪnˈtriːt/

entreat

Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
C2 verb /ɛksˈproʊprieɪt/

expropriate

Meaning
To take property from its owner, especially by authority or for public use.
Example
The government decided to expropriate the land for a new highway.
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.
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.
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.
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
B1 adjective /ˌen.təˈteɪ.nɪŋ/

Entertaining

Meaning
providing amusement or enjoyment; funny and engaging
Example
The comedian's performance was very entertaining and kept the audience laughing.
C1 adjective /ɛsˈθɛtɪk/

esthetic

Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
A1 pronoun /ˈɛvrɪwʌn/

everyone

Meaning
every person; all people
Example
Everyone must bring their own lunch.
C2 noun /ˈiːən/

eon

Meaning
an indefinitely long period of time; an age
Example
Dinosaurs lived millions of years ago, in a different eon.
C2 adjective /ɪˈfʌldʒənt/

effulgent

Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
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 verb /ɪˈnæmər/

enamor

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

encomium

Meaning
A speech or piece of writing that praises someone or something highly.
Example
He delivered an encomium to his retiring teacher.
C1 adjective /ɪˈvɒkətɪv/

evocative

Meaning
bringing strong images, memories, or feelings to mind
Example
The music was evocative of her childhood memories.
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.
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.
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.
C1 adjective /ˈɜːrstwaɪl/

erstwhile

Meaning
former or in the past
Example
They were erstwhile friends but no longer speak.
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.
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.
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 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
C2 verb /ɪmˈbɪtər/

embitter

Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

Meaning
a statement or account that makes something clear; clarification of meaning
Example
The teacher gave a detailed explanation of the complex mathematical concept.
B2 verb/noun /ɪɡˈzɪbɪt/

exhibit

Meaning
To display or show publicly; something put on display.
Example
The museum will exhibit ancient artifacts.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
C1 adjective + noun এক্সেসিভ স্ট্রেইন

excessive strain

Meaning
An amount of physical pressure or stress that is more than what is normal or acceptable.
Example
Excessive strain on fingers can cause musculoskeletal issues.
A2 noun /ɪmˈplɔɪər/

employer

Meaning
A person or organization that hires and pays people to work.
Example
The employer promised better benefits to attract skilled workers.
B2 adjective /ˈɛv.ə.ɡriːn/

evergreen

Meaning
Remaining green and functional throughout the year; not shedding leaves seasonally.
Example
Evergreen trees like pine and fir stay green year-round.
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 /ˈaɪ.bɔːl/

Eyeball

Meaning
the round part of the eye within the eyelids and socket
Example
The doctor examined his eyeball carefully.
C2 verb /ˈɛmɪt/

emmet

Meaning
an ant; a small insect
Example
The emmet carried food to its nest.
B2 verb /ɛksˈheɪl/

exhale

Meaning
to breathe out air from the lungs
Example
She slowly exhaled after holding her breath.
C1 noun ɪnˌvaɪ.rənˈmen.təl ˌtræns.fəˈmeɪ.ʃən

environmental transformation

Meaning
A significant change in environmental conditions or ecological systems.
Example
The city demonstrates environmental transformation.
A1 number /ɪˈlɛvən/

eleven

Meaning
the number after ten and before twelve; 11
Example
There are eleven students in the classroom.
A2 noun /ˈer.ər/

Error

Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
B1 noun ɪˈkɒnəmiːz

economies

Meaning
The wealth and resources of a country or region.
Example
Emerging economies have been growing rapidly over the past decade.
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 ɪˈpɪf.ə.ni

epiphany

Meaning
A moment of sudden revelation or insight.
Example
He had an epiphany about his true purpose in life.
C1 noun ˌɛkstərˈnælɪtiz

externalities

Meaning
A side effect or consequence of an industrial or commercial activity.
Example
Pollution is a negative externality of industrialization.
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 verb /ɪˈvæljueɪt/

evaluate

Meaning
To assess or judge the value, quality, or significance of something.
Example
The teacher will evaluate the students’ projects tomorrow.
B2 verb /ɪnˈvɪʒən/

envision

Meaning
to imagine or picture something in the future; to visualize a possibility or goal
Example
She envisions a world where everyone has equal access to education.
C2 adjective /ɪkˈsɛpʃənəbl/

exceptionable

Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
A2 adverb /ˈiːkwəli/

equally

Meaning
in an equal or fair way; to the same degree
Example
The prize money was equally divided among the winners.
C2 verb /ˈeksɔːrsaɪz/

exorcise

Meaning
To drive out an evil spirit or bad influence through rituals or prayers.
Example
The priest was called to exorcise the spirit from the house.
C2 verb /ɪˈmɛnd/

emend

Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
B1 adverb /ɪkˈstriːm.li/

Extremely

Meaning
to a very high degree; exceptionally
Example
The weather today is extremely hot and humid.
B1 adjective /ˈiː.ɡər/

Eager

Meaning
showing keen interest; enthusiastic; having or showing desire and excitement
Example
She was eager to start her new job.
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.
C2 verb /ɪˈvɜːrt/

evert

Meaning
To turn inside out or outward.
Example
The surgeon had to evert the eyelid during the procedure.
C1 adjective /ɪkˈspænsɪv/

expansive

Meaning
covering a wide area or having a wide range of ideas or emotions
Example
They enjoyed the expansive view from the hilltop.
B2 verb /ɪkˈspaɪər/

expire

Meaning
to come to an end, especially a period of validity or life
Example
My passport will expire next month.
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.
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.
B1 noun ɪmˈplɔɪmənt

employment

Meaning
The condition of having paid work; the action of giving work to someone.
Example
Employment was limited to Urdu speakers.