experimentally
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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.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

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

effervescent

Meaning
Giving off bubbles; lively, enthusiastic, and full of energy.
Example
She had an effervescent personality that brightened every room.
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.
C1 noun /ɪnˈdɪrmənt/

endearment

Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

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

epitaph

Meaning
A short text written on a tombstone in memory of the deceased.
Example
The gravestone bore an epitaph honoring the soldier’s bravery.
B2 noun /ˈep.ɪk/

Epic

Meaning
a long poem telling of heroic deeds; something heroic or grand in scale
Example
The Iliad is one of the most famous epics in world literature.
B2 noun /ˈɛθɪks/

ethics

Meaning
moral principles that govern a person's behavior or the conduct of an activity
Example
Business ethics require companies to act fairly and responsibly.
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.
B1 noun /ˈel.boʊ/

Elbow

Meaning
the joint between the forearm and the upper arm
Example
He hurt his elbow while playing tennis.
C1 noun /ˈjuː.fə.mɪ.zəm/

euphemism

Meaning
A mild or indirect term substituted for one considered too harsh or direct; polite expression for something unpleasant.
Example
The phrase "passed away" is a euphemism for "died".
C2 verb /ɪˈnəʊbəl/

ennoble

Meaning
to give someone a noble rank or to elevate in dignity or honor
Example
His selfless actions ennobled his character in the eyes of others.
C1 noun /ˌekspəˈzɪʃən/

exposition

Meaning
a detailed explanation or a large public exhibition
Example
The scientist gave a clear exposition of the theory.
B2 adjective /ɪkˈstræv.ə.ɡənt/

Extravagant

Meaning
spending much more than is necessary; wasteful; lacking restraint in spending
Example
His extravagant lifestyle included expensive cars and luxury vacations.
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

Meaning
A feeling of boredom, listlessness, or dissatisfaction arising from lack of excitement.
Example
After weeks of doing nothing, he sank into a deep sense of ennui.
C2 noun /ˌɛfəˈvɛsəns/

effervescence

Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
B1 noun ɪˈkwɒl.ə.ti

equality

Meaning
The state of being equal, especially in status, rights, and opportunities.
Example
Equality in education is a key goal.
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.
C1 noun /ˈɛskəpeɪd/

escapade

Meaning
an adventurous, exciting, or reckless act
Example
Their summer escapade included camping and mountain climbing.
B2 noun /ɪkˈses/

Excess

Meaning
an amount of something that is more than necessary, permitted, or desirable
Example
The excess food from the party was donated to the local shelter.
C2 verb ɪɡˈzɔːrt

exhort

Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
B1 adjective ɪɡˈzɪs.tɪŋ

existing

Meaning
In existence; present; current.
Example
The commission reviews existing provisions.
B2 adjective /ɪɡˈzɑːtɪk/

exotic

Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
C2 noun /ɪkˈstɛnsər/

extensor

Meaning
a muscle that serves to extend or straighten a limb or part of the body.
Example
The extensor muscles in the arm help straighten the elbow.
B1 adjective /ˈel.ɪ.ɡənt/

Elegant

Meaning
graceful and stylish; refined; sophisticated
Example
She wore an elegant dress to the party.
A1 pronoun /ˈɛvribɒdi/

everybody

Meaning
all people; everyone
Example
Everybody enjoyed the party.
C2 verb /ˌɛfəˈvɛs/

effervesce

Meaning
To give off bubbles of gas; to show excitement, liveliness, or enthusiasm.
Example
The soda began to effervesce as soon as it was opened.
C1 verb /ɪɡˈzæspəˌreɪt/

exasperate

Meaning
to irritate or annoy intensely
Example
His constant complaints began to exasperate his coworkers.
B1 noun /ɪkˈsten.ʃən/

Extension

Meaning
the action of extending something; additional time or space
Example
The professor granted an extension for the assignment deadline.
B1 noun ɪˈməʊʃənz

emotions

Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
C2 noun /ɪˈfjuːʒən/

effusion

Meaning
An unrestrained outpouring of words, feelings, or emotions.
Example
His letter was an effusion of love and longing.
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 ɪkˌstræp.əˈleɪ.ʃən

extrapolation

Meaning
The action of estimating or concluding something by assuming that existing trends will continue.
Example
His extrapolation of market trends helped in financial planning.
C2 noun /ˈɛpəlɛt/

epaulette

Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
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.
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.
C1 noun /ɪmˈbɑː.ɡoʊ/

embargo

Meaning
A trade ban, restriction, or prohibition imposed by a government or international organization on a country.
Example
The UN imposed an embargo on arms exports.
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.
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 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.
C1 verb /ɛtʃ/

etch

Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
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.
A1 verb /ɪnˈdʒɔɪ/

enjoy

Meaning
to take pleasure in; to have a good time
Example
I enjoy reading books in my free time.
C1 verb /ˈɛkskəˌveɪt/

excavate

Meaning
to dig out or remove earth carefully, often for building or archaeological purposes
Example
The workers excavated the site to prepare for construction.
C1 noun /ɪɡˈzuːbərəns/

exuberance

Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
B2 verb /ˈɛskɔrt/

escort

Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
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.
C1 noun /ˈɛləkwəns/

eloquence

Meaning
Fluent or persuasive speaking or writing.
Example
His eloquence in speech won him great respect.
A1 verb /ˈiːtɪŋ/

eating

Meaning
the act of consuming food
Example
They were eating dinner when the phone rang.
C2 verb /ɛnˈfrænˌtʃaɪz/

enfranchise

Meaning
To grant the right to vote or other rights of citizenship.
Example
The new law enfranchised thousands of people.
C2 noun /ɛnˈsɪklɪkəl/

encyclical

Meaning
a formal letter sent by the Pope to Catholic churches, usually addressing important issues
Example
The Pope issued an encyclical on climate change and moral responsibility.
C1 adjective ɪˈveɪ.sɪv

evasive

Meaning
Tending to avoid commitment or self-revelation, especially by responding only indirectly.
Example
He gave an evasive answer to avoid trouble.
B1 adjective /ˌel.ɪˈmen.tər.i/

Elementary

Meaning
basic; fundamental; primary level
Example
He learned elementary mathematics in school.
C1 adjective ˈek.wɪ.tə.bəl

equitable

Meaning
Fair and impartial
Example
Equitable AI ensures fairness in technology use.
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.
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.
A2 noun /ˈɛndɪŋ/

ending

Meaning
the final part of something, such as a story, event, or period of time
Example
The movie had a surprising ending that no one expected.
B2 verb ɪnˈhɑːnst

enhanced

Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
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.
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
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.
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.
B1 noun /ɪɡˌzæm.ɪˈneɪ.ʃən/

examination

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

epistemology

Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
B1 noun /ɪnˈɡeɪdʒ.mənt/

engagement

Meaning
The action of engaging or being engaged; participation or involvement.
Example
Social media engagement helps brands connect with their audience.
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.
C2 adjective /ɛmˈpaɪriəl/

empyreal

Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
A1 noun /ɪər/

Ear

Meaning
the organ of hearing; the ability to hear or listen
Example
She whispered something in his ear during the meeting.
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.
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.
A2 noun /ɪˌlɛkˈtrɪsɪti/

electricity

Meaning
A form of energy resulting from the existence of charged particles.
Example
The storm caused a power cut and we had no electricity.
A1 noun/adjective /ˈɪŋɡlɪʃ/

english

Meaning
The language of England, widely spoken around the world; relating to England or its people.
Example
She is learning English to study abroad.
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.
C2 verb /ɪnˈθrɔːl/

enthral

Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
C1 noun /eb/

Ebb

Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
C1 verb /ɪnˈreɪdʒ/

enrage

Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
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.
C2 verb /ɪnˈdjuː/

endue

Meaning
To provide or endow with a quality or ability.
Example
The leader was endued with wisdom and courage.
A2 noun/verb /ˈɛɡzɪt/

exit

Meaning
A way out of a place; the act of leaving.
Example
He quickly found the nearest exit during the fire drill.
C1 verb /ɪˈkɒnəmaɪz/

economize

Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
C1 verb /ɪnˈdɪr/

endear

Meaning
To cause someone to be loved or liked.
Example
Her kindness and generosity endeared her to the community.
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 /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.
C2 verb /ɛnˈkɪndl/

enkindle

Meaning
to set on fire or inspire strong emotion
Example
The speech enkindled hope in the audience.
B2 adjective /ɪkˈsɛntrɪk/

eccentric

Meaning
unconventional and slightly strange in behavior or appearance
Example
The artist was known for his eccentric style.
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.
B1 noun /ˌek.sɪˈbɪʃ.ən/

Exhibition

Meaning
a public display of works of art or other items of interest
Example
The art exhibition featured paintings from local artists throughout the region.
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
C2 noun ˈɛn.ɡræm

Engram

Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
C2 adjective ˈen.də.krɪn

endocrine

Meaning
Relating to or denoting glands that secrete hormones directly into the blood.
Example
The endocrine system regulates metabolism and growth.
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.
C2 noun /ɪˈfʌldʒəns/

effulgence

Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
B2 noun ɪˈfɪʃ.ən.si

efficiency

Meaning
The state or quality of being efficient; achieving maximum productivity with minimum wasted effort or expense.
Example
Efficiency in communication is crucial for businesses.
C1 adjective /ɪˈspeʃəl/

especial

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

elysium

Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
B2 noun /ˌep.ɪˈdem.ɪk/

Epidemic

Meaning
a widespread occurrence of an infectious disease in a community
Example
The flu epidemic affected thousands of people across the country.
A2 adjective /ˈiː.stərn/

Eastern

Meaning
relating to or situated in the east; from or characteristic of the eastern part of the world
Example
She studied Eastern philosophy at the university.
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.
B2 adjective /ɪnˈvaɪrənmənt ˈfrɛndli/

environment-friendly

Meaning
Designed or produced in a way that causes minimal harm to the environment, often using sustainable materials and processes that reduce ecological impact.
Example
Environment-friendly products are designed to reduce ecological damage.
B1 noun /ˈɛnvəloʊp/

envelope

Meaning
a flat paper container used to enclose a letter or document
Example
She sealed the letter in an envelope and posted it.
C1 adverb /ˈiːstwədz/

Eastwards

Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
C2 noun /ˈɛpənɪm/

eponym

Meaning
A person after whom a discovery, invention, place, or other thing is named.
Example
Sandwich is an eponym named after the Earl of Sandwich.
C2 verb /ɪsˈtʃuː/

eschew

Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
B2 noun /ɪnˈrɪtʃ.mənt/

enrichment

Meaning
The action of improving or enhancing the quality or value of something.
Example
Cultural enrichment fosters a deeper understanding of traditions.
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 /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 noun ˈiːkoʊˌtʊrɪzəm

Eco-tourism

Meaning
A form of tourism involving responsible travel to natural areas that conserves the environment and improves the well-being of local people.
Example
Eco-tourism promotes responsible travel to natural areas.
B2 verb /ɪkˈspɛl/

expel

Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
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.
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 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 noun /ˈɛpəlɛt/

epaulet

Meaning
An ornamental shoulder piece on a garment, especially on the coat or jacket of a military uniform.
Example
The general’s uniform had a golden epaulet on each shoulder.
C1 adjective /ˈen.vi.ə.bəl/

Enviable

Meaning
causing envy; desirable
Example
Her success was enviable among her peers.
B2 noun ɪˈmɪʃ.ənz

emissions

Meaning
The production and discharge of something, especially gas, heat, light, or radiation.
Example
Carbon emissions are rising globally.
B2 adjective /ˈiːtəbl̩/

eatable

Meaning
suitable or safe for eating
Example
The berries are not only eatable but also quite tasty.
B2 noun /ˈɛseɪ/

essay

Meaning
A short piece of writing on a particular subject.
Example
She wrote an essay about climate change.
C1 noun /ˈɛksɜːrpt/

excerpt

Meaning
A short portion taken from a text, film, or piece of music.
Example
The teacher read an excerpt from the novel.