Enduring
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B2 adjective /ɪnˈdjʊər.ɪŋ/

Enduring

duradero; persistente; que dura mucho tiempo
Meaning
lasting; permanent; continuing for a long time
Example
Their enduring friendship lasted for decades.
Su amistad duradera duró décadas.
B2 adjective /ɪˈmɜːrdʒɪŋ/

emerging

emergente
Meaning
becoming known, developing, or starting to exist
Example
Bangladesh is one of the fastest emerging economies in the world.
Bangladesh es una de las economías emergentes más rápidas del mundo.
B2 adjective /ˈɛθnɪk/

ethnic

étnico
Meaning
relating to a population subgroup with a common national or cultural tradition
Example
The festival celebrated the city's diverse ethnic communities.
El festival celebró las diversas comunidades étnicas de la ciudad.
B1 verb /ɪkˈsplɔːr/

explore

explorar
Meaning
to travel through or study something in order to learn more about it
Example
They decided to explore the forest together.
Decidieron explorar el bosque juntos.
B2 noun /ˈɛmbəsi/

embassy

embajada
Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
Él trabaja en la embajada francesa en Dhaka.
C2 adjective /ɪˈbʊliənt/

ebullient

exuberante
Meaning
cheerful and full of energy
Example
She was ebullient after receiving the good news.
Ella estaba exuberante después de recibir la buena noticia.
A1 verb /ɪnˈdʒɔɪ/

enjoy

disfrutar
Meaning
to take pleasure in; to have a good time
Example
I enjoy reading books in my free time.
Disfruto leer libros en mi tiempo libre.
C2 verb /ɪˈfɛktʃueɪt/

effectuate

efectuar
Meaning
to put into force or cause to happen; to bring about
Example
The manager effectuated the changes to improve efficiency.
El gerente efectuó los cambios para mejorar la eficiencia.
B2 noun /ɪɡˌzædʒ.əˈreɪ.ʃən/

Exaggeration

exageración
Meaning
a statement that represents something as better or worse than it really is
Example
His story about the fish he caught was clearly an exaggeration.
Su historia sobre el pez que atrapó era claramente una exageración.
C2 adjective /ˌɛvɪˈdɛnʃəl/

evidential

evidencial
Meaning
relating to or providing evidence
Example
The lawyer presented evidential support for her claims.
El abogado presentó apoyo evidencial para sus reclamaciones.
B2 noun /ˌek.spekˈteɪ.ʃən/

Expectation

expectativa; esperanza;
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.
El nuevo maestro superó las expectativas de todos con sus métodos de enseñanza innovadores.
C2 verb /ˈɛkspieɪt/

expiate

expiar
Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
Él trató de expiar su crimen ayudando a los pobres.
C2 verb /ɪˈnæmər/

enamor

enamorar
Meaning
to be filled with love or admiration for
Example
She was enamored with the beautiful scenery.
Ella estaba enamorada con el hermoso paisaje.
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

enfriador por evaporación
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
El enfriador por evaporación funciona mejor en climas secos.
C2 noun /ɪnˈtriːti/

entreaty

súplica
Meaning
An earnest or humble request or plea.
Example
She made an entreaty for peace during the heated argument.
Ella hizo una súplica por la paz durante la acalorada discusión.
C2 verb /ɪkˈstɛnjueɪt/

extenuate

atenuar
Meaning
to make an offense, fault, or situation seem less serious by providing an excuse or explanation
Example
The lawyer tried to extenuate his client's actions by highlighting his difficult childhood.
El abogado trató de atenuar las acciones de su cliente destacando su difícil infancia.
C2 noun /ɛθˈnɒlədʒi/

ethnology

etnología
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
Ella se especializó en etnología para entender mejor la diversidad cultural.
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

intrusión
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.
Los aldeanos protestaron contra la intrusión en sus tierras agrícolas.
B2 noun /ɪmˈpaʊə.mənt/

empowerment

empoderamiento
Meaning
Authority or power given to someone to do something.
Example
Empowerment initiatives enhance confidence.
Las iniciativas de empoderamiento mejoran la confianza.
B2 noun ˌel.ɪ.dʒəˈbɪl.ə.ti

eligibility

eligibilidad
Meaning
The state of having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Eligibility criteria maintain fairness.
Los criterios de elegibilidad mantienen la equidad.
C2 adjective /ˌɛsəˈtɛrɪk/

esoteric

esotérico
Meaning
intended for or understood by only a small number of people with special knowledge
Example
The professor gave an esoteric lecture on ancient philosophy.
El profesor dio una conferencia esotérica sobre filosofía antigua.
A2 noun /ɪkˈskjuːs/

Excuse

excusas
Meaning
a reason or explanation put forward to defend or justify a fault or offense
Example
Being tired is not a valid excuse for not completing your homework.
Estar cansado no es una excusa válida para no hacer tu tarea.
C2 adjective /ˌɛpɪkjʊˈriːən/

epicurean

epicurista
Meaning
relating to the enjoyment of fine food, drink, and luxury
Example
The chef prepared an epicurean feast for the guests.
El chef preparó un banquete epicurista para los invitados.
C1 noun ɪkˌstræp.əˈleɪ.ʃən

extrapolation

extrapolación
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.
Su extrapolación de las tendencias del mercado ayudó en la planificación financiera.
C1 verb /ɪnˈsɜːrkəl/

encircle

rodear
Meaning
to form a circle around something
Example
The protesters encircled the building in a human chain.
Los manifestantes rodearon el edificio en una cadena humana.
A2 noun /ˈɛləˌveɪtər/

elevator

ascensor
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.
Tomamos el ascensor hasta el décimo piso.
B1 adjective /ˈɛstɪmeɪtɪd/

estimated

estimado
Meaning
roughly calculated or judged; an approximate value or amount
Example
The estimated cost of the project is five million dollars.
El costo estimado del proyecto es de cinco millones de dólares.
B2 verb ɪˈrɛktɪŋ

erecting

erigir
Meaning
To build; construct; set up in a vertical position.
Example
The workers were erecting a new building downtown.
Los trabajadores estaban erigiendo un nuevo edificio en el centro de la ciudad.
B1 adverb /ɪˈfɛktɪvli/

effectively

efectivamente
Meaning
in a way that produces the desired result; efficiently and successfully
Example
The team worked together effectively to finish the project on time.
El equipo trabajó juntos efectivamente para terminar el proyecto a tiempo.
C1 verb /ɪnˈdaʊ/

endow

dotar
Meaning
To provide with a quality, ability, or gift; to donate funds for a purpose.
Example
The university was endowed with a generous donation.
La universidad fue dotada con una generosa donación.
B2 noun /ˈes.əns/

Essence

esencia
Meaning
the intrinsic nature or indispensable quality of something
Example
The essence of good teaching is the ability to inspire students.
La esencia de una buena enseñanza es la capacidad de inspirar a los estudiantes.
C2 adjective /ɪˈfɛmɪnət/

effeminate

afeminado
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.
Los críticos lo describieron como afeminado debido a su manera suave.
A2 noun /ˈɛndʒɪn/

engine

motor
Meaning
A machine designed to convert energy into mechanical power.
Example
The car's engine failed on the highway.
El motor del coche falló en la carretera.
B2 noun /ɪkˈskluːʒən/

exclusion

exclusión
Meaning
The process or state of being left out or denied access.
Example
The policy led to the exclusion of certain groups.
La política llevó a la exclusión de ciertos grupos.
B2 noun ɪˈmɪʃ.ən

emission

emisión
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
Los fabricantes de automóviles están reduciendo las emisiones de carbono.
C2 noun /ɪˈbʊliəns/

ebullience

exuberancia
Meaning
the quality of being cheerful, enthusiastic, and full of energy
Example
The teacher's ebullience inspired her students.
El entusiasmo de la profesora inspiró a sus estudiantes.
C2 noun /ɛnˈkoʊmiəm/

encomium

elogio
Meaning
A speech or piece of writing that praises someone or something highly.
Example
He delivered an encomium to his retiring teacher.
Él pronunció un elogio a su maestro que se retiraba.
B2 noun /ˈep.ɪk/

Epic

épico
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.
La Ilíada es uno de los épicos más famosos de la literatura mundial.
C1 noun /ɪkˈspoʊnənt/

exponent

exponente
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.
Ella es una de las principales exponentes de la danza moderna.
B1 noun /ˈɛpɪsoʊd/

episode

episodio
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.
El último episodio del drama fue visto por millones.
A2 noun/verb /ˈɛɡzɪt/

exit

salida
Meaning
A way out of a place; the act of leaving.
Example
He quickly found the nearest exit during the fire drill.
Él rápidamente encontró la salida más cercana durante el simulacro de incendio.
C2 noun /ˈɛndaɪv/ or /ˈɑːndɪv/

endive

endivia
Meaning
A leafy vegetable belonging to the chicory family, often used in salads.
Example
She added fresh endive to the salad for a slightly bitter flavor.
Añadió endivia fresca a la ensalada para darle un sabor ligeramente amargo.
C1 verb /ɪɡˈzæspəˌreɪt/

exasperate

exasperar
Meaning
to irritate or annoy intensely
Example
His constant complaints began to exasperate his coworkers.
Sus constantes quejas comenzaron a exasperar a sus compañeros de trabajo.
C2 verb /ɪmˈbɪtər/

embitter

amargar
Meaning
To make someone resentful or angry; to cause bitterness.
Example
The unfair treatment embittered the employees.
El trato injusto amargó a los empleados.
C1 adjective /ˈɛntərˌpraɪzɪŋ/

enterprising

emprendedor
Meaning
showing initiative and resourcefulness; willing to take risks to achieve success
Example
She is an enterprising young entrepreneur.
Ella es una joven emprendedora emprendedora.
A2 adjective /ˌjʊərəˈpiːən/

european

europeo
Meaning
Relating to Europe or its people.
Example
She studied European history at university.
Estudió historia europea en la universidad.
B2 verb, noun /ɪnˈdevər/

endeavour

esforzarse
Meaning
To try hard to achieve something; an attempt or effort
Example
She endeavoured to finish the project on time.
Ella se esforzó por terminar el proyecto a tiempo.
A2 noun /ˈer.ər/

Error

error; equivocación
Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
El error en el cálculo llevó a resultados incorrectos.
C1 noun /ɪɡˌzɪl.əˈreɪ.ʃən/

exhilaration

exaltación o felicidad
Meaning
A feeling of excitement, happiness, or elation.
Example
The feeling of exhilaration after a roller-coaster ride is amazing.
La sensación de exhilaración después de una montaña rusa es increíble.
C2 noun /ɪˈlɪksər/

elixir

elíxir
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.
La antigua leyenda hablaba de un elixir que podría otorgar juventud eterna.
A2 adjective ˈiːkwəl

equal

igual
Meaning
Being the same in quantity, size, degree, or value; having the same status or treatment.
Example
Bose was regarded as Galileo's equal.
Bose fue considerado como el igual de Galileo.
A2 adverb /ˈiːkwəli/

equally

igualmente
Meaning
in an equal or fair way; to the same degree
Example
The prize money was equally divided among the winners.
El dinero del premio se dividió igualmente entre los ganadores.
C1 verb /ɪnˈreɪdʒ/

enrage

enfurecer
Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
Sus comentarios injustos enfurecieron a la audiencia.
C1 noun/adjective /ɪˈliːtɪst/

elitist

elitista
Meaning
A person who believes that a society should be led by an elite; showing preference for a privileged class.
Example
His elitist attitude made him unpopular among his peers.
Su actitud elitista lo hizo impopular entre sus compañeros.
C1 verb /ˈɛkˌsaɪz/

excise

extirpar
Meaning
to cut out or remove completely, often by surgery
Example
The surgeon excised the tumor successfully.
El cirujano extirpó el tumor con éxito.
C2 verb /ˈɛksplɪkeɪt/

explicate

explicar
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.
El profesor intentó explicar la teoría de la relatividad para sus estudiantes.
B2 adjective /ˈɛv.ə.ɡriːn/

evergreen

siempreverde
Meaning
Remaining green and functional throughout the year; not shedding leaves seasonally.
Example
Evergreen trees like pine and fir stay green year-round.
Los árboles siempreverdes como el pino y el abeto permanecen verdes durante todo el año.
C1 noun /ɪˈnæməl/

enamel

esmalte
Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
El dentista explicó que el esmalte protege los dientes de la caries.
B1 verb /ɪkˈspɪəriənsɪŋ/

experiencing

experimentando
Meaning
Encountering or undergoing an event or occurrence.
Example
The travelers are experiencing the thrill of adventure.
Los viajeros están experimentando la emoción de la aventura.
C1 adjective /ɪɡˈzɔːstɪv/

exhaustive

exhaustivo y completo
Meaning
Fully comprehensive and including all possibilities.
Example
The report provides an exhaustive analysis of the issue.
El informe proporciona un análisis exhaustivo del problema.
C2 adjective /ˌɛvəˈnɛsənt/

evanescent

efímero
Meaning
Quickly fading or disappearing; lasting for only a very short time.
Example
The beauty of the sunset was evanescent, fading within minutes.
La belleza del atardecer fue efímera, desvaneciéndose en minutos.
A2 noun ˈefərts

efforts

esfuerzo
Meaning
A vigorous or determined attempt; physical or mental energy
Example
Your efforts determine your success.
Tus esfuerzos determinan tu éxito.
A2 noun /ɪˈkwɪpmənt/

equipment

equipo
Meaning
the necessary tools, machines, or other items needed for a particular purpose
Example
The laboratory bought new equipment for research.
El laboratorio compró nuevos equipos para la investigación.
B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

ecológico
Meaning
Relating to ecology or the environment.
Example
Deforestation threatens the ecological balance of the planet.
La deforestación amenaza el equilibrio ecológico del planeta.
B2 adjective ˌɒn.trə.prəˈnɜː.ri.əl

entrepreneurial

emprendedor
Meaning
Relating to or characterized by the activity of setting up a business or businesses, taking on financial risks in the hope of profit.
Example
His entrepreneurial spirit led him to establish a successful startup.
Su espíritu emprendedor lo llevó a establecer una exitosa startup.
B2 noun /ɪnˌsaɪkləˈpiːdiə/

encyclopedia

enciclopedia
Meaning
a book or set of books containing information on many subjects, usually arranged alphabetically
Example
She used an encyclopedia to complete her school project.
Ella usó una enciclopedia para completar su proyecto escolar.
A1 verb /iːt/

eat

comer
Meaning
to put food in the mouth and chew and swallow it
Example
We eat dinner at 7 PM.
Comemos la cena a las 7 p. m.
C2 verb /ɪnˈkʌmbər/

encumber

cargar
Meaning
to burden or weigh down something, making it difficult to move or progress
Example
She was encumbered by the heavy luggage during her journey.
Ella estaba cargada por el equipaje pesado durante su viaje.
B2 verb ɪmˈpaʊərɪŋ

empowering

empoderar
Meaning
Giving someone the authority or power to do something; making someone stronger and more confident.
Example
Empowering children can lead to societal progress.
Empoderar a los niños puede conducir al progreso social.
A2 noun /ɜːθ/

Earth

Tierra; suelo;
Meaning
the planet on which we live; the ground or soil
Example
The astronauts could see Earth from their spacecraft in orbit.
Los astronautas pudieron ver la Tierra desde su nave espacial en órbita.
C2 noun /ˈeb.taɪd/

Ebb-tide

baja de marea
Meaning
the movement of the tide out to sea; a time when the sea level is falling
Example
During ebb-tide, we could walk further out on the beach.
Durante la baja de marea, podíamos caminar más lejos en la playa.
B1 verb /ɪɡˈzæm.ɪn/

examine

felicidad
Meaning
to look at something carefully in order to understand it
Example
The doctor will examine the patient tomorrow.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C2 verb /ɛnˈdʒɔɪn/

enjoin

ordenar, prohibir
Meaning
to instruct or urge someone to do something; to prohibit legally
Example
The judge enjoined the company from continuing its activities.
El juez prohibió a la empresa continuar con sus actividades.
A2 noun /ɪmˈplɔɪər/

employer

empleador
Meaning
A person or organization that hires and pays people to work.
Example
The employer promised better benefits to attract skilled workers.
El empleador prometió mejores beneficios para atraer a trabajadores calificados.
B2 noun /ɪkˈses/

Excess

exceso; sobrante
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.
La comida sobrante de la fiesta fue donada al refugio local.
C1 noun ɪˌlæˈstɪs.ə.ti

elasticity

elasticidad
Meaning
The responsiveness of demand or supply to changes in price.
Example
The elasticity of demand for luxury goods is high.
La elasticidad de la demanda de bienes de lujo es alta.
C1 noun ˈɛf.lu.ənt

effluent

aguas residuales o contaminadas
Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
El efluente de la fábrica contamina los ríos y lagos cercanos.
B2 adjective ɪkˈsplɪsɪt

explicit

explícito
Meaning
Stated clearly and in detail, leaving no room for confusion or doubt.
Example
The instructions were explicit, leaving no room for confusion.
Las instrucciones fueron explícitas, no dejaron lugar para la confusión.
C1 adjective ɪˈθɪə.ri.əl

ethereal

celestial, delicado, sobrenatural
Meaning
Extremely delicate and light in a way that seems too perfect for this world.
Example
Her voice had an ethereal quality.
Su voz tenía una calidad etérea.
A1 adverb /ˈevər/

Ever

nunca; siempre; de cualquier manera
Meaning
at any time; always; in any way
Example
Have you ever been to Paris?
¿Alguna vez has estado en París?
B2 adjective /ˈed.ɪ.bəl/

Edible

comestible
Meaning
safe to eat; suitable for consumption
Example
Only edible mushrooms should be used in cooking.
Solo los hongos comestibles deben usarse en la cocina.
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

igualitario
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
La nueva ley promueve una sociedad igualitaria.
B1 noun ɪɡˈzek.jə.tɪv

executive

ejecutivo
Meaning
The branch of government responsible for implementing and enforcing laws.
Example
The executive body enforces policies.
El cuerpo ejecutivo aplica las políticas.
C1 noun /ɛkˈspeɪtriət/

expatriate

expatriado
Meaning
a person who lives outside their native country
Example
Many expatriates gather in the city’s international community.
Muchos expatriados se reúnen en la comunidad internacional de la ciudad.
B1 noun /ɪkˈspres treɪn/

Express Train

tren expreso
Meaning
a fast train that travels between major stations with few or no intermediate stops
Example
The express train reached the destination in half the usual time.
El tren expreso llegó a su destino en la mitad del tiempo habitual.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

epílogo
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
El autor incluyó un epílogo para explicar lo que sucedió con los personajes después.
B2 noun /ˈen.ə.dʒi sɪˈkjʊə.rɪ.ti/

energy security

seguridad energética
Meaning
The reliable availability of energy sources at an affordable price for a nation or region.
Example
Energy security ensures consistent supply.
La seguridad energética asegura el suministro constante.
C2 verb /ɪkˈspɒstjʊleɪt/

expostulate

expresar desacuerdo
Meaning
to express strong disapproval or disagreement
Example
She expostulated with her friend about the risky decision.
Ella expuso su desacuerdo con su amigo sobre la decisión arriesgada.
C2 noun /ˈɛpəlɛt/

epaulet

aditamento de hombro
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.
El uniforme del general tenía un epaulet dorado en cada hombro.
C1 noun /ˈɪrˌplʌɡ/

earplug

tapón para los oídos
Meaning
a device inserted into the ear to block out noise or water
Example
He wore earplugs to sleep during the noisy night.
Él usó tapones para los oídos para dormir durante la noche ruidosa.
C2 verb /ɪˈmɛnd/

emend

enmendar
Meaning
to correct or revise a text, especially for errors
Example
The editor emended the manuscript before publication.
El editor enmendó el manuscrito antes de la publicación.
A1 adjective /ɪkˈsaɪtɪd/

excited

emocionado
Meaning
very enthusiastic and eager about something
Example
The children were excited to open their presents.
Los niños estaban emocionados por abrir sus regalos.
C2 noun /ˈɛnsaɪn/

ensign

bandera
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.
El barco izó su bandera nacional antes de salir del puerto.
B1 adjective ɪˈstæb.lɪʃt

established

establecido
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.
La democracia fue establecida bajo un liderazgo fuerte.
C1 noun /ˈɛf.ɪ.kə.si/

efficacy

eficacia
Meaning
The ability to produce a desired or intended result; effectiveness.
Example
The efficacy of the vaccine has been proven in trials.
La eficacia de la vacuna se ha demostrado en los ensayos.
C1 adjective /ɪɡˈzɪləreɪtɪd/

exhilarated

exaltado
Meaning
feeling very happy, animated, or elated
Example
She felt exhilarated after finishing the marathon.
Ella se sintió exaltada después de terminar el maratón.
C2 noun /ɪˈklɛktɪˌsɪzəm/

eclecticism

eclecticismo
Meaning
A method or practice of deriving ideas, style, or taste from a broad and diverse range of sources.
Example
The architect’s work shows eclecticism by blending modern and traditional elements.
El trabajo del arquitecto muestra eclecticismo al mezclar elementos modernos y tradicionales.
A2 noun/verb /ɪkˈsperɪmənt/

experiment

experimento
Meaning
a test or trial carried out to discover something or prove an idea
Example
The scientist conducted an experiment on plant growth.
El científico realizó un experimento sobre el crecimiento de las plantas.
C2 noun /ˈɛpəlɛt/

epaulette

aditamento de hombro
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.
La epauleta del oficial brillaba bajo la luz del sol.
C1 noun /ˈek.stə.si/

Ecstasy

éxtasis
Meaning
an overwhelming feeling of great happiness or joyful excitement
Example
She was in complete ecstasy when she heard the good news.
Ella estaba en completa éxtasis cuando escuchó las buenas noticias.
C1 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

experimentación
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
La experimentación conduce a productos innovadores.
C2 adjective /ˈɛrzæts/

ersatz

sustituto
Meaning
made or used as a substitute, typically an inferior one
Example
The cheap shoes were made of ersatz leather.
Los zapatos baratos estaban hechos de cuero sintético.
C1 noun /iːl/

Eel

anguila
Meaning
a long, snake-like fish that lives in both fresh and salt water
Example
The electric eel can generate powerful electric shocks.
La anguila eléctrica puede generar potentes descargas eléctricas.
C1 noun /ɪɡˈzuːbərəns/

exuberance

exuberancia
Meaning
the quality of being full of energy, excitement, and cheerfulness
Example
Her exuberance made the whole team feel motivated.
Su exuberancia hizo que todo el equipo se sintiera motivado.
B2 verb /ɪnˈlɑːrdʒ/

enlarge

agrandar
Meaning
to make something bigger or increase in size
Example
They decided to enlarge their house.
Ellos decidieron agrandar su casa.
B1 verb /ˈɛdjʊˌkeɪt/

educate

educar
Meaning
to give knowledge, skills, or training to someone; to teach
Example
Parents should educate their children about healthy habits.
Los padres deben educar a sus hijos sobre hábitos saludables.
C1 noun /eb/

Ebb

reflujo; bajamar
Meaning
the receding tide; a gradual decline or reduction
Example
The fishermen waited for the ebb before returning to shore.
Los pescadores esperaron el reflujo antes de regresar a la orilla.
B2 verb /ɪnˈroʊl/

enroll

inscribirse
Meaning
to officially join or register in a school, course, or organization
Example
He decided to enroll in a computer programming course.
Él decidió inscribirse en un curso de programación de computadoras.
C2 noun /ɪˌkliːziˈæstɪk/

ecclesiastic

eclesiástico
Meaning
A member of the clergy or church official.
Example
The council was attended by several high-ranking ecclesiastics.
El consejo fue atendido por varios eclesiásticos de alto rango.
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

era isabelina
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare escribió muchas de sus obras durante la era isabelina.
C1 noun /ɪkˈspɛktənsi/

expectancy

expectativa
Meaning
the state of expecting something; anticipation or likelihood
Example
There was a sense of expectancy in the room before the results were announced.
Había un sentido de expectación en la sala antes de que se anunciaran los resultados.
C2 noun /ˈiːən/

eon

era
Meaning
an indefinitely long period of time; an age
Example
Dinosaurs lived millions of years ago, in a different eon.
Los dinosaurios vivieron hace millones de años, en una era diferente.
B2 noun /ˈaɪ.lɪd/

Eyelid

párpado
Meaning
either of the upper or lower folds of skin that cover the eye when closed
Example
Her eyelids felt heavy with sleep.
Sus párpados se sentían pesados por el sueño.
B2 adjective /ɪkˈstɪr.i.ər/

Exterior

exterior; de fuera; superficie externa
Meaning
relating to the outside part or surface of something; outer
Example
The exterior of the building was painted in bright colors.
El exterior del edificio estaba pintado en colores brillantes.
C1 adjective /ˌiːɡoʊˈsentrɪk/

egocentric

egocéntrico
Meaning
thinking only about yourself and not about others
Example
His egocentric behavior annoyed everyone at the meeting.
Su comportamiento egocéntrico molestó a todos en la reunión.
B2 verb /ɪnˈtaɪtəl/

entitle

dar derecho a
Meaning
to give someone the right to have or do something
Example
Employees are entitled to receive paid holidays.
Los empleados tienen derecho a recibir vacaciones pagadas.
C2 verb /ɪnˈsaɪfər/

encipher

convertir un mensaje en código o cifra
Meaning
to convert a message into code or cipher
Example
The agent enciphered the secret message before sending it.
El agente cifró el mensaje secreto antes de enviarlo.
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

emancipación
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.
La emancipación de los esclavos fue un momento significativo en la historia de América.
B1 noun /ˈev.ɪ.dəns/

Evidence

evidencia
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.
El detective encontró evidencia crucial que resolvió el caso misterioso.
C2 noun /ɪˈskʌtʃən/

escutcheon

escudo o emblema con un escudo de armas
Meaning
a shield or emblem bearing a coat of arms
Example
The family crest was displayed on the escutcheon above the fireplace.
El emblema familiar estaba exhibido en el escudo sobre la chimenea.
C1 adjective /ˌɛnɪɡˈmætɪk/

enigmatic

enigmático
Meaning
mysterious and difficult to interpret or understand
Example
He gave me an enigmatic smile.
Él me dio una sonrisa enigmática.