esoteric
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 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 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 adjective /ˌɛfəˈvɛsənt/

effervescent

efervescente
Meaning
Giving off bubbles; lively, enthusiastic, and full of energy.
Example
She had an effervescent personality that brightened every room.
Ella tenía una personalidad efervescente que iluminaba cada habitación.
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 adjective /ɪˈstiːmd/

Esteemed

estimado
Meaning
respected and admired; held in high regard
Example
He is an esteemed professor at the university.
Él es un profesor estimado en la universidad.
C1 adjective /ɪkˈsplɔɪtətɪv/

exploitative

explotador
Meaning
making use of a situation or people unfairly and unethically for one's own advantage
Example
The workers protested against the exploitative practices of the factory.
Los trabajadores protestaron contra las prácticas explotadoras de la fábrica.
C1 adjective /juːˈfɔːrɪk/

euphoric

eufórico
Meaning
Characterized by or feeling intense excitement and happiness.
Example
The fans were euphoric after their team's victory.
Los fanáticos estaban eufóricos después de la victoria de su equipo.
B2 noun /iːz/

Ease

facilidad; comodidad
Meaning
absence of difficulty or effort; comfort and relaxation
Example
After years of practice, she played the piano with great ease.
Después de años de práctica, ella tocaba el piano con gran facilidad.
B2 verb ˈeksɪkjuːt

execute

ejecutar
Meaning
To carry out or put into effect a plan, order, or course of action.
Example
NASA plans to execute the mission in three phases.
La NASA planea ejecutar la misión en tres fases.
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.
B2 adverb /ˌiːkəˈnɒmɪkli/

economically

económicamente
Meaning
in a way that relates to economics or is efficient and not wasteful.
Example
The company is trying to operate more economically this year.
La empresa está tratando de operar de manera más económica este año.
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.
B2 adjective /ɪˈven.tʃu.əl/

Eventual

final
Meaning
happening or existing at the end of a process; final; ultimate
Example
The eventual outcome was better than expected.
El resultado final fue mejor de lo esperado.
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 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 adjective /ɪˈfʌldʒənt/

effulgent

resplandeciente
Meaning
Shining brilliantly; radiant.
Example
Her effulgent smile brightened everyone's mood.
Su sonrisa resplandeciente iluminó el ánimo de todos.
C2 noun /ɪˌpɪstəˈmɒlədʒɪst/

epistemologist

epistemólogo
Meaning
A scholar or expert who studies the nature, sources, and limits of knowledge.
Example
The epistemologist debated how humans can truly know anything with certainty.
El epistemólogo debatió sobre cómo los humanos pueden conocer algo con certeza.
C1 noun /ˌɛkstrəˈdɪʃən/

extradition

extradición
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.
La extradición del sospechoso se retrasó debido a problemas legales.
C2 adjective /ˌɛnkəˈmiːæstɪk/

encomiastic

elogioso
Meaning
Expressing praise; laudatory.
Example
The book was filled with encomiastic remarks about the author.
El libro estaba lleno de comentarios elogiosos sobre el autor.
B2 verb /ɪˈmɪt/

emit

Emitir
Meaning
to send out something such as light, heat, sound, or gas
Example
The factory emits smoke into the atmosphere.
La fábrica emite humo en la atmósfera.
C2 noun /ɪkˌsprəʊ.priˈeɪ.ʃən/

expropriation

expropiación
Meaning
The act of government taking private property, also known as confiscation, nationalization, or seizure.
Example
The land expropriation led to disputes among landowners.
La expropiación de tierras llevó a disputas entre los propietarios de tierras.
C1 noun /ˌjuːθəˈneɪʒə/

euthanasia

muerte asistida
Meaning
The practice of intentionally ending a life to relieve pain and suffering.
Example
The debate about euthanasia raises difficult ethical questions.
El debate sobre la eutanasia plantea preguntas éticas difíciles.
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.
B1 verb /ɪnˈʃʊər/

ensure

asegurar
Meaning
To make certain that something will happen or be the case.
Example
Please ensure that the door is locked before you leave.
Por favor, asegúrese de que la puerta esté cerrada antes de irse.
C1 verb /ɪˈdʒektɪd/

ejected

expulsar
Meaning
to force someone or something to leave a place; to push or throw something out forcefully
Example
The pilot was ejected from the aircraft during the emergency.
El piloto fue expulsado del avión durante la emergencia.
C2 noun /ɪkˈstɛnsər/

extensor

músculo 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.
Los músculos extensores en el brazo ayudan a enderezar el codo.
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.
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.
C1 noun /ɪˈnɪɡ.mə/

enigma

enigma
Meaning
A person or thing that is mysterious, puzzling, or difficult to understand.
Example
Life remains an enigma to many.
La vida sigue siendo un enigma para muchos.
B1 verb /ɪmˈbærəs/

embarrass

avergonzar
Meaning
to cause someone to feel awkward, self-conscious, or ashamed
Example
His rude comment really embarrassed her in front of everyone.
Su comentario grosero realmente la avergonzó frente a todos.
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.
B2 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

eliminación
Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
La eliminación de emisiones es una prioridad.
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.
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.
B2 noun /ɪˈstæblɪʃmənt/

establishment

establecimiento
Meaning
An organization, business, or system; the act of setting something up.
Example
The restaurant is a new establishment in town.
El restaurante es un nuevo establecimiento en la ciudad.
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 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.
B2 noun /ˈɛseɪ/

essay

ensayo
Meaning
A short piece of writing on a particular subject.
Example
She wrote an essay about climate change.
Ella escribió un ensayo sobre el cambio climático.
A2 noun /ɛmˈplɔɪ.iː/

employee

empleado
Meaning
A person who works for an organization or company in return for payment.
Example
The company values each employee's contribution to its success.
La empresa valora la contribución de cada empleado a su éxito.
B2 noun /ɪnˈfɔːrsmənt/

enforcement

aplicación de la ley
Meaning
the act of making sure that laws or rules are followed
Example
The police are responsible for law enforcement.
La policía es responsable de la aplicación de la ley.
C1 noun /ˈɛksələnsɪ/

excellency

excelencia
Meaning
a title of honor for people of high rank, especially ambassadors or governors
Example
His Excellency the Ambassador attended the ceremony.
Su Excelencia el Embajador asistió a la ceremonia.
B2 noun /ɪkˈskɜː.ʃən/

Excursion

excursión; viaje corto
Meaning
a short journey or trip, especially one engaged in as a leisure activity
Example
The school organized an excursion to the science museum for all students.
La escuela organizó una excursión al museo de ciencias para todos los estudiantes.
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.
B2 adjective /ɪkˈskluːdɪd/

Excluded

excluido; marginado
Meaning
not included; left out; barred from participation
Example
He felt excluded from the group activities and conversations.
Él se sintió excluido de las actividades del grupo y de las conversaciones.
B2 noun /ˌiː.kəˈnɒm.ɪk ˈsɪs.təm/

economic system

sistema económico
Meaning
The organized framework for production, distribution, and consumption of goods and services in society.
Example
Capitalism, socialism, and mixed economies are types of economic systems.
El capitalismo, el socialismo y las economías mixtas son tipos de sistemas económicos.
B2 noun /ɪɡˈzɔːstʃən/

exhaustion

agotamiento
Meaning
A state of extreme physical or mental fatigue.
Example
Chronic exhaustion can lead to burnout and decreased productivity.
El agotamiento crónico puede llevar a un agotamiento y una disminución de la productividad.
C1 adjective /ˈɜːrθi/

earthy

terroso / simple
Meaning
resembling or suggestive of earth or soil; simple, natural, and sometimes coarse
Example
The dish had a rich, earthy flavor from the mushrooms.
El plato tenía un sabor rico y terroso proveniente de los champiñones.
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.
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.
C2 noun /ˈjuːər/

ewer

jarra
Meaning
a large jug with a wide mouth, especially used in the past for carrying water
Example
The servant filled the ewer with fresh water.
El sirviente llenó la jarra con agua fresca.
C1 verb /ɪˈloʊp/

elope

escaparse para casarse
Meaning
to run away secretly in order to get married, especially without parental consent
Example
The young couple decided to elope to another city.
La joven pareja decidió escaparse a otra ciudad para casarse.
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.
C1 verb /ɪnˈtaɪs/

entice

atraer
Meaning
to attract or tempt someone by offering something appealing
Example
The advertisement was designed to entice customers into the store.
El anuncio fue diseñado para atraer a los clientes a la tienda.
C1 verb /ˈɛm.ə.neɪt/

emanate

emanar
Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
Una dulce fragancia emanó del jardín.
B2 noun /ɪˈrʌp.ʃən/

Eruption

erupción volcánica
Meaning
a sudden violent occurrence or outburst; volcanic explosion
Example
The volcanic eruption forced thousands of people to evacuate the area.
La erupción volcánica obligó a miles de personas a evacuar el área.
C1 adjective /ɪˈvæljʊətɪv/

evaluative

evaluativo
Meaning
Relating to or involving evaluation or assessment.
Example
The evaluative phase of the project involves assessing its success.
La fase evaluativa del proyecto implica evaluar su éxito.
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.
C1 verb /ɪˈleɪt/

elate

alegrar
Meaning
To make someone very happy or proud.
Example
The success of the project elated the whole team.
El éxito del proyecto alegró a todo el equipo.
A2 adverb /ɪɡˈzækt.li/

Exactly

precisamente; exactamente; en completo acuerdo
Meaning
precisely; accurately; in complete agreement
Example
Tell me exactly what happened during the meeting.
Dime exactamente qué pasó durante la reunión.
A2 adjective /ˈeksələnt/

Excellent

excelente; sobresaliente; superior;
Meaning
extremely good; outstanding; superior
Example
She received excellent grades in all her subjects.
Ella recibió excelentes calificaciones en todas sus materias.
C1 noun /ɪɡˈzɛkjətər/

executor

ejecutor de testamento
Meaning
A person appointed to carry out the terms of someone's will after their death.
Example
The executor managed the estate according to the deceased’s wishes.
El ejecutor gestionó la propiedad según los deseos del fallecido.
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.
B1 adjective /ɪnˈkɝr.ɪ.dʒɪŋ/

Encouraging

alentador; motivador
Meaning
giving support or confidence; inspiring; motivating
Example
The teacher's encouraging words motivated the students.
Las palabras alentadoras del maestro motivaron a los estudiantes.
B2 adjective ɪkˈsɛsɪv

excessive

excesivo
Meaning
More than is necessary, normal, or desirable; immoderate.
Example
Excessive population growth leads to resource depletion.
El crecimiento excesivo de la población conduce a la agotamiento de los recursos.
C1 verb ɪˈluːd

elude

eludir
Meaning
Evade or escape from, typically in a skillful or cunning way; avoid being caught.
Example
The thief managed to elude the police.
El ladrón logró eludir a la policía.
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.
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

evolutivo
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.
Los cambios evolutivos en las especies son fascinantes.
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.
C1 adjective /ɪnˈɡroʊst/

engrossed

absorto
Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
Ella estaba tan absorta en el libro que olvidó la hora.
C1 verb /ɪnˈsjuː/

ensue

suceder
Meaning
to happen as a result or consequence
Example
After the argument, silence ensued.
Después de la discusión, el silencio sucedió.
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.
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.
B1 adjective /ɪkˈstrɔːr.dɪ.nər.i/

Extraordinary

extraordinario; notable;
Meaning
very unusual; remarkable; going beyond what is normal or expected
Example
The magician's performance was extraordinary and left everyone amazed.
La actuación del mago fue extraordinaria y dejó a todos asombrados
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.
B2 verb /ɪnˈlaɪtən/

enlighten

felicidad
Meaning
to give someone greater knowledge or understanding about a subject or situation
Example
The teacher tried to enlighten the students about ancient history.
Ella no podía ocultar su felicidad cuando recibió el premio.
C1 adjective /ɪˈluːsɪv/

elusive

difícil de encontrar
Meaning
Difficult to find, catch, or achieve; hard to understand or define.
Example
The solution to the problem proved elusive.
La solución al problema resultó difícil de encontrar.
C1 noun /ɪkˈstriː.mɪst/

Extremist

extremista
Meaning
a person who holds extreme political or religious views
Example
The government is taking measures to prevent extremist activities.
El gobierno está tomando medidas para prevenir actividades extremistas.
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.
B2 noun /ˈaɪ.saɪt/

Eyesight

visión
Meaning
the ability to see; vision
Example
Regular eye checkups are important for maintaining good eyesight.
Los chequeos oculares regulares son importantes para mantener una buena visión.
B1 adverb /ɛtˈsɛtərə/

etcetera

etcétera
Meaning
used at the end of a list to indicate that other similar items are included
Example
She bought apples, oranges, bananas, etcetera from the market.
Ella compró manzanas, naranjas, plátanos, etcétera en el mercado.
C1 verb /ɪkˈstoʊl/

extol

alabar
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
El maestro alabó la dedicación y el trabajo duro del estudiante.
C2 adjective /ˈeksɪkrəbl/

execrable

execrable
Meaning
Extremely bad or unpleasant.
Example
The movie was so execrable that many people left the theater early.
La película era tan execrable que muchas personas se fueron temprano del cine.
C1 adverb ˌekspəˈnenʃəli

exponentially

exponencialmente
Meaning
At a rapidly increasing rate; growing or expanding very quickly and intensely.
Example
Internet adoption is growing exponentially worldwide.
La adopción de Internet está creciendo exponencialmente en todo el mundo.
C2 verb /ɪkˈspɛktəreɪt/

expectorate

expectorar
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
El paciente comenzó a expectorar mucosidad espesa.
C2 noun /ˈɛkwɪpɔɪz/

equipoise

equilibrio
Meaning
A state of balance or equilibrium.
Example
Her calmness created an equipoise in the heated debate.
Su calma creó un equilibrio en el debate acalorado.
C1 adjective ɪˌlektrəʊmæɡˈnetɪk

electromagnetic

electromagnético
Meaning
Relating to both electricity and magnetism or their interaction.
Example
Electromagnetic forces repel protons.
Las fuerzas electromagnéticas repelen los protones.
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

eclíptica
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
La eclíptica es el plano de la órbita de la Tierra alrededor del Sol.
A2 noun /ɪˈfekt/

Effect

efecto; resultado; consecuencia
Meaning
a change that is a result or consequence of an action or other cause
Example
The new medicine had a positive effect on the patient's recovery.
La nueva medicina tuvo un efecto positivo en la recuperación del paciente.
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.
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.
A2 noun /ɪksˈtʃeɪndʒ/

Exchange

intercambio
Meaning
an act of giving one thing and receiving another in return
Example
The exchange of gifts is a common tradition during the holidays.
El intercambio de regalos es una tradición común durante las fiestas.
B2 verb /ɪˈlɪmɪneɪt/

eliminate

eliminar
Meaning
To completely remove or get rid of something.
Example
Eliminate time-wasting habits.
Elimina los hábitos que desperdician tiempo.
C1 adjective /ɛsˈθɛtɪk/

esthetic

estético
Meaning
Concerned with beauty or the appreciation of beauty.
Example
The building’s esthetic design attracted many visitors.
El diseño estético del edificio atrajo a muchos visitantes.
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.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

iluminado; esclarecido; sabio;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
El maestro iluminado compartió sabiduría con todos sus estudiantes.
C1 noun /ɪmˈbɛzlmənt/

embezzlement

malversación
Meaning
The act of dishonestly taking money or property entrusted to one's care.
Example
The accountant was arrested for embezzlement of company funds.
El contador fue arrestado por la malversación de fondos de la empresa.
B1 adverb /ɪˈventʃuəli/

Eventually

finalmente; eventualmente
Meaning
in the end; finally; at last
Example
After years of hard work, she eventually became a doctor.
Después de años de trabajo duro, finalmente se convirtió en doctora.
B2 verb /ɪnˈhæns/

enhance

mejorar
Meaning
to improve the quality, value, or extent of something
Example
The new features will enhance the user experience.
Las nuevas características mejorarán la experiencia del usuario.
C2 verb /ɪnˈskɒns/

ensconce

acurrucarse, esconderse
Meaning
to settle comfortably or securely in a place; to hide or shelter firmly
Example
She ensconced herself in a cozy armchair by the fireplace.
Ella se enroscó en una cómoda silla junto a la chimenea.
C2 verb /ɪnˈsnɛər/

ensnare

atrapar
Meaning
to catch or trap, often by trickery or deceit
Example
The hunter ensnared the rabbit with a net.
El cazador atrapó al conejo con una red.
B2 noun /ɪɡˈzæmɪnər/

examiner

examinador
Meaning
A person who tests or inspects knowledge, skills, or qualifications
Example
The examiner reviewed each student's answer sheet carefully.
El examinador revisó cuidadosamente la hoja de respuestas de cada estudiante.
C1 adjective /ɪˈɡriːdʒəs/

egregious

atroz
Meaning
Outstandingly bad; shocking.
Example
The company was fined for its egregious safety violations.
La empresa fue multada por sus atroces violaciones de seguridad.
C1 adjective /ɪˈleɪtɪd/

elated

extremadamente feliz
Meaning
Extremely happy and excited.
Example
She was elated when she heard the good news.
Estaba extremadamente feliz cuando escuchó las buenas noticias.
B2 noun /ˌek.spɪˈdɪʃ.ən/

Expedition

expedición
Meaning
a journey undertaken by a group of people with a particular purpose; organized trip for exploration
Example
The mountain climbing expedition required months of careful planning and preparation.
La expedición de escalada de montaña requirió meses de planificación y preparación cuidadosa.
C2 adjective /ˌɛf.ɪˈkeɪ.ʃəs/

efficacious

eficaz
Meaning
Successful in producing a desired or intended result; effective.
Example
The vaccine proved highly efficacious in preventing infections.
La vacuna demostró ser altamente eficaz para prevenir infecciones.
B2 noun ˌeksplɔɪˈteɪʃən

exploitation

explotación
Meaning
The action of making use of and benefiting from resources, often in an unfair or selfish way.
Example
Exploitation of marine resources has led to significant damage.
La explotación de los recursos marinos ha causado daños significativos.
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.
C2 verb /ˈɛnərˌveɪt/

enervate

debilitar
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
Las largas horas de trabajo lo debilitaron.
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 /ˈɛnərˌveɪtɪd/

enervated

agotado
Meaning
Lacking energy, vitality, or strength; weakened or exhausted.
Example
After the long meeting, she felt completely enervated.
Después de la larga reunión, se sintió completamente agotada.
B2 noun ˌiːkəˈlɒdʒɪkəl ˈbæləns

ecological balance

balance ecológico
Meaning
A state of dynamic equilibrium within a community of organisms.
Example
Maintaining ecological balance is essential for a sustainable planet.
Mantener el equilibrio ecológico es esencial para un planeta sostenible.
B2 verb /ɪkˈspɛl/

expel

expulsar
Meaning
to officially force someone to leave a place or organization
Example
The student was expelled from school for misconduct.
El estudiante fue expulsado de la escuela por mala conducta.
B2 noun /ˌek.əˈnɒm.ɪk səˌsteɪ.nəˈbɪl.ə.ti/

economic sustainability

sostenibilidad económica
Meaning
The ability of an economy to support a defined level of economic production indefinitely.
Example
Economic sustainability drives long-term growth.
La sostenibilidad económica impulsa el crecimiento a largo plazo.
C1 verb /ˈɛnərˌdʒaɪz/

energize

energizar
Meaning
To give energy or vitality to something or someone.
Example
The motivational speech helped energize the team.
El discurso motivacional ayudó a energizar al equipo.
C1 noun /ˈɜːrθənˌwɛr/

earthenware

cerámica
Meaning
pottery made of clay and hardened by heat
Example
The shop displayed beautiful earthenware pots and bowls.
La tienda exhibió hermosas ollas y tazones de cerámica.
A2 noun /ˌen.təˈteɪn.mənt/

Entertainment

entretenimiento
Meaning
the action of providing or being provided with amusement or enjoyment
Example
The concert provided excellent entertainment for the entire family.
El concierto proporcionó un excelente entretenimiento para toda la familia.
C1 noun ˈiː.pɒk

epoch

época
Meaning
A period of time in history or a person's life, typically one marked by notable events or particular characteristics.
Example
The invention of the internet marked a new epoch in human history.
La invención de internet marcó una nueva época en la historia humana.
C2 adjective /ˈɛksɪdʒənt/

exigent

urgente
Meaning
demanding immediate action or attention; urgent
Example
The patient’s exigent condition required immediate surgery.
La condición exigente del paciente requirió cirugía inmediata.
A1 noun, verb /ˈiː.meɪl/

e-mail

correo electrónico
Meaning
messages distributed by electronic means from one computer user to another
Example
I sent an e-mail to my professor yesterday.
Envié un correo electrónico a mi profesor ayer.
C2 adjective /ɪkˌstɛmpəˈreɪniəs/

extemporaneous

hecho sin preparación
Meaning
Spoken or done without preparation.
Example
He gave an extemporaneous speech at the meeting.
Él dio un discurso extemporáneo en la reunión.
B2 verb /ˈɛskɔrt/

escort

acompañar
Meaning
to accompany someone; to guide or protect while going somewhere
Example
The guard escorted the visitor to the office.
El guardia escoltó al visitante a la oficina.