entreat
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C2 verb /ɪnˈtriːt/

entreat

rogar
Meaning
To ask earnestly or beg someone to do something.
Example
She entreated him to stay a little longer.
Ella le rogó que se quedara un poco más.
C2 verb /ˈɛkskʌlpeɪt/

exculpate

exculpar
Meaning
to show or declare that someone is not guilty of wrongdoing
Example
The lawyer worked hard to exculpate his client.
El abogado trabajó duro para exculpar a su cliente.
C2 noun /ɪˈfʌldʒəns/

effulgence

resplandor
Meaning
Brilliant radiance or shining brightness.
Example
The effulgence of the sunrise lit up the entire valley.
El resplandor del amanecer iluminó todo el valle.
C2 noun /ˈaɪ.sɔːr/

Eyesore

ultraje visual; cosa desagradable de ver
Meaning
something that is very ugly and unpleasant to look at
Example
The abandoned building has become an eyesore in the neighborhood.
El edificio abandonado se ha convertido en un ultraje visual en el vecindario.
C2 verb /ɪkˈstɛmpəraɪz/

extemporize

improvisar
Meaning
To speak or perform without preparation; improvise.
Example
The actor had to extemporize when he forgot his lines.
El actor tuvo que improvisar cuando olvidó sus líneas.
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.
C2 noun /ɪˌkwɪvəˈkeɪʃən/

equivocation

uso de lenguaje ambiguo
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.
La equivocación del político frustró a los votantes que querían una respuesta clara.
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 noun /ɪˌnʌn.siˈeɪ.ʃən/

enunciation

enunciación, pronunciación clara
Meaning
The act of saying or pronouncing words clearly and distinctly.
Example
His enunciation was clear during the presentation.
Su enunciación fue clara durante la presentación.
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

epistemología
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
La epistemología explora la diferencia entre la creencia justificada y la opinión.
C2 adjective /ˌɛkjʊˈmɛnɪkəl/

ecumenical

unidad religiosa ecuménica
Meaning
Promoting unity among different Christian churches or religions.
Example
The leaders gathered for an ecumenical conference to encourage dialogue.
Los líderes se reunieron para una conferencia ecuménica para fomentar el diálogo.
C2 adjective /ɪˈpɪstələri/

epistolary

epistolar
Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
La novela está escrita en un estilo epistolar, compuesto por cartas entre los personajes.
C2 adjective /ɛɡˈzɪɡjuəs/

exiguous

escaso
Meaning
small in amount; scanty or inadequate
Example
They survived on exiguous rations during the journey.
Sobrevivieron con raciones exiguas durante el viaje.
C2 noun /ˈɛpəʊd/

epode

una forma de poema lírico
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.
El poeta concluyó su oda con un epodo impresionante.
C2 noun /ˌɛpɪˈsaɪklɔɪd/

epicycloid

epicicloide
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.
El matemático demostró cómo dibujar un epicicloide.
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.
C2 noun /ˈɛpɪɡræm/

epigram

epigrama
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
Oscar Wilde fue famoso por sus agudos epigramas.
C2 noun /ɛmˈpɪrɪˌsɪzəm/

empiricism

empirismo
Meaning
the theory that all knowledge is derived from sense-experience
Example
Empiricism argues that knowledge comes from experience and observation.
El empirismo sostiene que el conocimiento proviene de la experiencia y la observación.
C2 adjective /ˌiːvənˈhændɪd/

evenhanded

imparcial
Meaning
Fair and impartial; showing no bias or favoritism.
Example
The judge was praised for her evenhanded approach to the case.
El juez fue elogiado por su enfoque imparcial en el caso.
C2 adjective /ˈɛkstənt/

extant

existente
Meaning
Still in existence; surviving.
Example
Only a few manuscripts from the ancient library are extant.
Solo unos pocos manuscritos de la antigua biblioteca están extintos.
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.
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.
C2 verb /ɪˈfjuːz/

effuse

derramar
Meaning
To pour out or express feelings freely and openly.
Example
She effused gratitude for the help she received.
Ella derramó gratitud por la ayuda que recibió.
C2 noun /ˌiː.mɛnˈdeɪ.ʃən/

emendation

enmendadura
Meaning
a correction or improvement made to a text
Example
The article required several emendations before it was ready for print.
El artículo requirió varias enmiendas antes de estar listo para imprimir.
C2 verb /ɛnˈfiːbəl/

enfeeble

debilitar
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
La larga enfermedad debilitó al anciano.
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

ensordecedor
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
El ensordecedor ruido de la alarma contra incendios sorprendió a todos.
C2 verb /ɛnˈkɪndl/

enkindle

encender, inspirar
Meaning
to set on fire or inspire strong emotion
Example
The speech enkindled hope in the audience.
El discurso encendió la esperanza en la audiencia.
C2 noun /ˈɛkwɪpɪdʒ/

equipage

Equipo o un carruaje con sus accesorios
Meaning
Equipment or a carriage with its accessories.
Example
The nobleman arrived in a grand equipage.
El noble llegó en un gran carruaje.
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.
C2 noun ˌiːkwəˈnɪməti

equanimity

Calma mental, compostura y equilibrio, especialmente en una situación difícil
Meaning
Mental calmness, composure, and evenness of temper, especially in a difficult situation.
Example
She handled the news with remarkable equanimity.
Ella manejó la noticia con una equanimidad extraordinaria.
C2 verb /ɪˈstreɪndʒ/

estrange

alienar
Meaning
to cause someone to no longer be close or affectionate; to alienate
Example
His constant criticism began to estrange him from his friends.
Su constante crítica comenzó a alejarlo de sus amigos.
C2 noun/adjective /ɪˈmɒliənt/

emollient

sustancia que suaviza la piel
Meaning
a substance that softens or soothes the skin
Example
She used an emollient cream to treat her dry skin.
Ella usó una crema emoliente para tratar su piel seca.
C2 adjective /ɪkˈskɜːsɪv/

excursive

excursivo
Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
Su conferencia excursive dejó a los estudiantes confundidos sobre el tema principal.
C2 adjective /ˌɛfləˈrɛsənt/

efflorescent

floreciente
Meaning
in the process of blooming or flourishing
Example
The efflorescent trees made the park look beautiful.
Los árboles florecientes hicieron que el parque se viera hermoso.
C2 adjective /juːˈdʒɛnɪk/

eugenic

eugenésico
Meaning
Relating to or aiming at improving the genetic quality of a population.
Example
In the early 20th century, some scientists supported eugenic policies.
A principios del siglo XX, algunos científicos apoyaron las políticas eugenésicas.
C2 verb /ɪˈdjuːs/

educe

extraer
Meaning
To draw out or bring forth something latent or hidden.
Example
The teacher tried to educe a response from the shy student.
El maestro intentó inducir una respuesta del estudiante tímido.
C2 noun /ˌɛntəˈmɒlədʒi/

entomology

entomología
Meaning
The scientific study of insects.
Example
She studied entomology to understand the behavior of bees.
Ella estudió entomología para entender el comportamiento de las abejas.
C2 verb /ˈeksɔːrsaɪz/

exorcise

exorcizar
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.
Se llamó al sacerdote para exorcizar el espíritu de la casa.
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

protesta
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
Su protesta contra las reglas injustas fue ignorada.
C2 adjective /ɪkˈspɒzɪtəri/

expository

expositivo
Meaning
intended to explain or describe something
Example
The teacher gave an expository lecture on the topic.
El maestro dio una conferencia expositiva sobre el tema.
C2 noun /ˈɛksɪdʒənsi/

exigency

urgencia
Meaning
an urgent need or demand requiring immediate attention
Example
In times of war, the exigency of the situation requires quick decisions.
En tiempos de guerra, la urgencia de la situación requiere decisiones rápidas.
C2 verb /ɪˈfeɪs/

efface

borrar
Meaning
To erase or wipe out something; to make oneself inconspicuous.
Example
Time had effaced the letters on the old gravestone.
El tiempo había borrado las letras en la antigua tumba.
C2 noun /ˈjuːfəni/

euphony

eufonía
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
El discurso del orador estuvo lleno de eufonía y ritmo.
C2 verb /ɪnˈtræp/

entrap

atrapar
Meaning
To catch or trick someone into a difficult situation.
Example
The police tried to entrap the criminal with false evidence.
La policía intentó atrapar al criminal con pruebas falsas.
C2 noun /ˈɛpɪkjʊr/

epicure

epicúreo
Meaning
A person who enjoys fine food and drink, often with refined taste.
Example
As an epicure, she always sought out the finest restaurants in the city.
Como epicúreo, siempre buscaba los mejores restaurantes de la ciudad.
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.
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.
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.
C2 adverb /ˌɛkspəˈdɪʃəsli/

expeditiously

de manera rápida y eficiente
Meaning
in a quick and efficient manner
Example
The application was processed expeditiously.
La solicitud fue procesada de manera rápida y eficiente.
C2 noun /ˌɛləˈkjuːʃn/

elocution

elocuencia
Meaning
The skill of clear and expressive speech, especially in public speaking.
Example
She improved her elocution through constant practice.
Ella mejoró su elocuencia mediante la práctica constante.
C2 adjective /ˈɛdɪfaɪɪŋ/

edifying

edificante
Meaning
Providing moral or intellectual instruction or enlightenment.
Example
The documentary was both entertaining and edifying.
El documental fue tanto entretenido como edificante.
C2 adjective /ɪˈkwɪvəkəl/

equivocal

ambiguo
Meaning
Open to more than one interpretation; ambiguous.
Example
His equivocal answer confused everyone.
Su respuesta ambigua confundió a todos.
C2 adverb /ɪkˈstem.pɔːr/

Extempore

espontáneo; improvisado
Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
El orador dio un impresionante discurso extemporáneo en la conferencia.
C2 noun /ˈɛdi/

eddy

remolino
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
La canoa quedó atrapada en un remolino cerca de las rocas.
C2 verb /ɪnˈræptʃər/

enrapture

fascinar
Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
La hermosa música fascinó a la audiencia.
C2 adjective /ˌɛl.ɪˈmɑː.səˌnɛr.i/

eleemosynary

caritativo
Meaning
Relating to charity; dependent on or supported by charity.
Example
The hospital was founded as an eleemosynary institution.
El hospital fue fundado como una institución caritativa.
C2 noun /ɪˈpɪsəl/

epistle

epístola
Meaning
A letter, especially a formal or didactic one; often used for letters in the New Testament.
Example
He wrote a long epistle to his friend about his travels.
Escribió una larga epístola a su amigo sobre sus viajes.
C2 verb /ɪɡˈzʌlt/

exult

exultar
Meaning
to show or feel great joy, often as a result of success
Example
The fans exulted after their team won the championship.
Los aficionados exultaron después de que su equipo ganó el campeonato.
C2 adjective /ˌen.zɪˈmæt.ɪk/

enzymatic

relacionado con enzimas
Meaning
Relating to or involving enzymes, which are proteins that catalyze biochemical reactions in living organisms.
Example
Enzymatic reactions regulate metabolism in the human body.
Las reacciones enzimáticas regulan el metabolismo en el cuerpo humano.
C2 noun /ɪkˈskrɛsəns/

excrescence

crecimiento anómalo
Meaning
An abnormal outgrowth or lump, often considered unattractive.
Example
The building was considered an excrescence on the landscape.
El edificio fue considerado una excrescencia en el paisaje.
C2 noun /juːˌtrɑː.fɪˈkeɪ.ʃən/

eutrophication

exceso de nutrientes en un lago o cuerpo de agua
Meaning
Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Example
Excess fertilizers lead to eutrophication in lakes.
Los fertilizantes excesivos provocan la eutrofización en los lagos.
C2 noun /ˌɛpɪˈdɜːrmɪs/

epidermis

capa externa de la piel
Meaning
the outer layer of cells covering the body of an organism, especially the skin
Example
The epidermis protects the body from harmful bacteria.
El epidérmis protege el cuerpo de las bacterias dañinas.
C2 noun /ɪɡˈzækʃən/

exaction

exacción
Meaning
the act of demanding or obtaining something, especially unfairly
Example
The peasants suffered under the king's heavy exactions.
Los campesinos sufrieron bajo las severas exacciones del rey.
C2 noun /ˌɛksɪˈɡjuːɪti/

exiguity

escasez
Meaning
the quality of being scanty or meager in amount
Example
The exiguity of resources made the project difficult to complete.
La escasez de recursos hizo que el proyecto fuera difícil de completar.
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.
C2 adjective /ˌeθ.noʊˈsen.trɪk/

ethnocentric

etnocéntrico
Meaning
evaluating other cultures according to the standards of one's own culture
Example
His ethnocentric attitude made it hard for him to appreciate foreign traditions.
Su actitud etnocéntrica le dificultaba apreciar las tradiciones extranjeras.
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

sentimiento de grupo
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
El sentimiento de grupo del equipo era evidente en su esfuerzo cooperativo.
C2 verb /ɪˈvɪsəˌreɪt/

eviscerate

eviscerar, destruir
Meaning
to remove the internal organs of; to deprive of essential content
Example
The critics eviscerated the movie for its weak storyline.
los críticos destruyeron la película por su débil historia.
C2 noun /ɪˈlɪziəm/

elysium

elíseo
Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
Para ella, el jardín era un elíseo personal.
C2 noun /ɪˈmɒljʊmənt/

emolument

salario
Meaning
payment for work or services; salary or fees
Example
The professor received his annual emolument from the university.
El profesor recibió su salario anual de la universidad.
C2 adjective /ˈiːkwaɪn/

equine

relacionado con los caballos
Meaning
Relating to or resembling a horse.
Example
The veterinarian specialized in equine medicine.
El veterinario se especializó en medicina equina.
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.
C2 adjective /ɪɡˈzɔːstɪbəl/

exhaustible

agotable
Meaning
able to be used up completely; not infinite
Example
Coal and oil are exhaustible resources.
El carbón y el petróleo son recursos agotables.
C2 verb /ɪˈmæskjʊleɪt/

emasculate

emascolar
Meaning
To make someone weaker or less effective; to deprive of strength or vigor.
Example
The constant criticism emasculated his confidence.
La crítica constante emasculó su confianza.
C2 noun ˈɛn.ɡræm

Engram

Señales físicas en el cerebro para el almacenamiento y recuperación de recuerdos
Meaning
Physical signs or patterns in the brain for memory storage and retrieval
Example
Scientists study engrams to understand how memories are stored.
Los científicos estudian los engramas para comprender cómo se almacenan los recuerdos.
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.
C2 adjective /ˈɛrənt/

errant

errante
Meaning
behaving wrongly or straying from the proper course or standards
Example
The teacher disciplined the errant student.
El maestro disciplinó al estudiante errante.
C2 verb /ɪsˈtʃuː/

eschew

evitar
Meaning
to deliberately avoid or abstain from something
Example
She chose to eschew junk food for a healthier diet.
Ella decidió evitar la comida chatarra por una dieta más saludable.
C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

ecotoxicología
Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
La ecotoxicología estudia los efectos de los pesticidas en la vida silvestre.
C2 adjective /ɪkˈsɛpʃənəbl/

exceptionable

objecionable
Meaning
Open to objection; causing disapproval.
Example
His rude remarks were considered exceptionable by everyone present.
Sus comentarios groseros fueron considerados objetables por todos los presentes.
C2 noun /ˈɪrˌʃɑːt/

earshot

rango de audición
Meaning
the range or distance within which a sound can be heard
Example
The children whispered secrets out of earshot of their parents.
Los niños susurraron secretos fuera del alcance de los padres.
C2 noun /ˈɪəri/

eyrie

nido de águila
Meaning
the nest of a bird of prey, such as an eagle, typically built high on a cliff or tree
Example
The eagle’s eyrie was perched high on the mountain cliff.
El nido de águila estaba ubicado en la cima de un acantilado de montaña.
C2 verb /ˌɛfəˈvɛs/

effervesce

efervescer
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.
El refresco comenzó a efervescer tan pronto como se abrió.
C2 noun ˌɛr.jʊˈdɪʃ.ən

erudition

erudición
Meaning
The quality of having or showing great knowledge or learning; scholarship.
Example
His erudition in history impressed the entire audience.
Su erudición en historia impresionó a toda la audiencia.
C2 adjective /ɪˈfiːt/

effete

débiles
Meaning
Lacking vitality, strength, or effectiveness; weak and overrefined.
Example
The empire became effete after centuries of indulgence.
El imperio se volvió débil después de siglos de indulgencia.
C2 noun /ɪˈmɛtɪk/

emetic

emético
Meaning
a substance that causes vomiting
Example
The doctor administered an emetic to remove the poison.
El doctor administró un emético para eliminar el veneno.
C2 verb /ɪˈspaɪ/

espy

ver
Meaning
To catch sight of or notice something, especially from a distance.
Example
From the hilltop, she espied a small village in the valley.
Desde la cima de la colina, ella divisó un pequeño pueblo en el valle.
C2 verb /ɪˈnəʊbəl/

ennoble

ennoblecer
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.
Sus acciones desinteresadas enaltecieron su carácter a los ojos de los demás.
C2 noun /ˈɛpɪˌsaɪkl/

epicycle

círculo epícyclico
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.
El concepto del epiciclo se utilizó para explicar el movimiento planetario.
C2 noun /ˈɛksplɪkeɪtər/

explicator

explicador
Meaning
a person who explains or interprets something in detail
Example
The critic served as an explicator of the poet’s complex works.
El crítico sirvió como un explicador de los complejos trabajos del poeta.
C2 noun /ɪkˈspiːdiənsi/

expediency

conveniencia
Meaning
the quality of being convenient and practical despite possibly being improper or immoral
Example
He acted out of political expediency rather than principle.
Actuó por conveniencia política más que por principio.
C2 verb /ɪˈfeɪsɪŋ/

effacing

borrar / hacerse invisible
Meaning
erasing or making oneself inconspicuous; to remove or diminish in significance
Example
She kept effacing herself during the meeting so that others could shine.
Ella siguió borrándose a sí misma durante la reunión para que los demás pudieran brillar.
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.
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.
C2 adjective ˈen.də.krɪn

endocrine

endocrino
Meaning
Relating to or denoting glands that secrete hormones directly into the blood.
Example
The endocrine system regulates metabolism and growth.
El sistema endocrino regula el metabolismo y el crecimiento.
C2 adjective /ɪkˈstɛnsəbl/

extensible

expansible
Meaning
able to be extended; capable of expansion.
Example
The software is designed to be extensible with new features.
El software está diseñado para ser expansible con nuevas funciones.
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.
C2 verb /ˈeksɪkreɪt/

execrate

despreciar
Meaning
To feel or express great loathing or hatred for something.
Example
The community execrated the corrupt politician.
La comunidad despreciaba al político corrupto.
C2 adjective /ɪˈfɛktʃuəl/

effectual

efectivo
Meaning
producing a desired or intended effect, often used in formal contexts
Example
Her effectual efforts brought peace to the community.
Sus esfuerzos efectivos trajeron paz a la comunidad.
C2 adjective /ɛmˈpaɪriəl/

empyreal

celestial
Meaning
Heavenly, divine, or relating to the highest heavens.
Example
The poet described the empyreal beauty of the stars.
El poeta describió la belleza celestial de las estrellas.
C2 noun /ɪˈfɛmɪnəsi/

effeminacy

efeminidad
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.
En tiempos antiguos, la efeminidad a menudo era criticada como signo de debilidad.
C2 verb /ˈjuːləˌdʒaɪz/

eulogize

elogiar
Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
Ellos se reunieron para elogiar a su querido maestro.
C2 noun /juːˈdʒen.ɪks/

eugenics

eugenesia
Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
La eugenesia ha sido criticada por sus aplicaciones no éticas en la historia.
C2 verb /ɛmˈbleɪzən/

emblazon

adornar de manera destacada
Meaning
To decorate or display something in a noticeable or impressive way.
Example
The team's logo was emblazoned on their uniforms.
El logotipo del equipo estaba emblemazado en sus uniformes.
C2 verb /ɪkˈspeɪʃiˌeɪt/

expatiate

hablar o escribir en detalle
Meaning
to speak or write at length or in detail
Example
The professor expatiated on the importance of critical thinking.
El profesor expuso en detalle la importancia del pensamiento crítico.
C2 noun /ɪɡˈzɔːrbɪtəns/

exorbitance

exorbitancia
Meaning
The quality of being excessive, unreasonable, or going beyond proper limits.
Example
The exorbitance of the hotel's prices shocked the tourists.
La exorbitancia de los precios del hotel sorprendió a los turistas.
C2 noun /ˈɒnwiː/ or /ˈɑːnwiː/

ennui

aburrimiento
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.
Después de semanas sin hacer nada, cayó en un profundo aburrimiento.
C2 adjective /ˈek.wə.bəl/

Equable

ecuánime
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
Él mantuvo un temperamento ecuánime durante la crisis.
C2 verb /ɪnˈvaɪərən/

environ

rodear
Meaning
to surround or enclose; to encircle
Example
Mountains environ the small valley.
Las montañas rodean el pequeño valle.
C2 noun /ɪˈfrʌntəri/

effrontery

descaro o audacia ruda
Meaning
shameless or rude boldness
Example
He had the effrontery to lie even when caught red-handed.
Él tuvo el descaro de mentir incluso cuando lo atraparon con las manos en la masa.
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.
C2 adjective /ɛkˈstrɪnzɪk/

extrinsic

extrínseco
Meaning
Not part of the essential nature of someone or something; coming from outside.
Example
His motivation was largely extrinsic, driven by rewards and recognition.
Su motivación era en gran parte extrínseca, impulsada por recompensas y reconocimiento.
C2 noun /ˌɛmjʊˈleɪ.ʃən/

emulation

emulación
Meaning
Reproducing something or following someone to achieve success.
Example
The software allows the emulation of old video games on modern devices.
El software permite la emulación de juegos antiguos en dispositivos modernos.
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

electrólisis
Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
Se utiliza la electrólisis para separar el hidrógeno del agua.
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 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

elegíaco
Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
La novela termina con una nota elegíaca, lamentando la era perdida.
C2 noun /ɪkˈsɪʒən/

excision

excisón
Meaning
the act of cutting something out, especially by surgical removal
Example
The excision of the infected tissue prevented further complications.
La excisión del tejido infectado previno complicaciones adicionales.
C2 verb /ɪnˈθrɔːl/

enthral

cautivar
Meaning
To captivate or hold someone’s full attention.
Example
The magician’s performance enthralled the audience.
La actuación del mago cautivó a la audiencia.
C2 noun /ˌɛpɪzəʊˈɒtɪk/

epizootic

epizootia
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.
El granjero temía que una epizootia pudiera exterminar su ganado.
C2 noun /ˈɛpɪtɑːf/

epitaph

epígrafe
Meaning
A short text written on a tombstone in memory of the deceased.
Example
The gravestone bore an epitaph honoring the soldier’s bravery.
La lápida llevaba un epígrafe que honraba la valentía del soldado.
C2 noun /ɛmˈpɔːriəm/

emporium

gran tienda
Meaning
A large retail store selling a wide variety of goods.
Example
They visited the new emporium to buy furniture and home decor.
Visitaron el nuevo empórium para comprar muebles y decoración para el hogar.