efficacious
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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 verb /ɪɡˈzædʒəˌreɪt/

exaggerate

exagerar
Meaning
to describe something as better, worse, or more important than it really is
Example
He tends to exaggerate his achievements.
Él tiende a exagerar sus logros.
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.
B2 adverb /ɪˈməʊʃənəli/

emotionally

emocionalmente
Meaning
in a way that relates to a person's feelings or emotions
Example
She became emotionally attached to her pet.
Ella se volvió emocionalmente vinculada a su mascota.
B2 verb /ɪnˈkaʊntər/

encounter

encontrar / enfrentarse a
Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
Durante la caminata, nos encontramos con un oso salvaje.
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.
B1 adjective /ɪnˌθjuːziˈæstɪk/

enthusiastic

entusiasta
Meaning
Having or showing intense and eager enjoyment, interest, or approval.
Example
The explorers were enthusiastic about the journey.
Los exploradores estaban entusiastas con el viaje.
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 noun /ɪˈfjuːʒən/

effusion

efusión
Meaning
An unrestrained outpouring of words, feelings, or emotions.
Example
His letter was an effusion of love and longing.
Su carta fue una efusión de amor y anhelo.
B2 noun ɪˈroʊʒən

erosion

erosión
Meaning
The gradual destruction or diminishing of something.
Example
Power struggles often lead to the erosion of humanity.
Las luchas de poder a menudo conducen a la erosión de la humanidad.
B1 noun /ˌek.spləˈneɪ.ʃən/

Explanation

explicación; aclaración;
Meaning
a statement or account that makes something clear; clarification of meaning
Example
The teacher gave a detailed explanation of the complex mathematical concept.
La maestra dio una explicación detallada del concepto matemático complejo.
A2 adverb /ˈiːzɪli/

Easily

fácilmente; sin dificultad
Meaning
without difficulty; in a simple or effortless manner
Example
She easily solved the math problem in minutes.
Ella resolvió el problema de matemáticas fácilmente en minutos.
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 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.
B2 noun /ɪnˈdɔːrs.mənt/

endorsement

respaldo
Meaning
A public or official statement of support or approval.
Example
The celebrity's endorsement increased the product's sales.
El respaldo de la celebridad aumentó las ventas del producto.
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 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.
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 adjective /ɪˈvɒkətɪv/

evocative

evocador
Meaning
bringing strong images, memories, or feelings to mind
Example
The music was evocative of her childhood memories.
La música evocó sus recuerdos de la infancia.
B2 adverb /ɪkˈsplɪsɪtli/

explicitly

explícitamente
Meaning
in a clear and detailed manner, leaving no room for confusion or doubt
Example
The instructions were explicitly written to avoid any confusion.
Las instrucciones fueron escritas explícitamente para evitar cualquier confusión.
B1 noun /ɪnˈθjuː.zi.æz.əm/

Enthusiasm

entusiasmo; fervor; ardor
Meaning
intense and eager enjoyment, interest, or approval
Example
Her enthusiasm for the project inspired the entire team.
Su entusiasmo por el proyecto inspiró a todo el equipo.
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.
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.
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

disparidad económica
Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
Abordar la disparidad económica es crucial para la estabilidad social.
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.
B2 adjective /ɪkˈsploʊsɪv/

explosive

explosivo
Meaning
able to cause an explosion; likely to burst out suddenly
Example
The situation became explosive after the argument.
La situación se volvió explosiva después de la discusión.
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 /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.
A2 noun /ɪˈvent/

event

evento
Meaning
something that happens, especially something important
Example
The concert was the biggest event of the year.
El concierto fue el evento más grande del año.
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.
C1 adjective /ˈen.vi.əs/

Envious

envidioso/a; celoso/a
Meaning
feeling or showing envy; jealous
Example
She felt envious of her friend's new car.
Ella se sintió envidiosa del nuevo coche de su amiga.
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.
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.
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.
B1 noun /ˈaɪ.braʊ/

Eyebrow

ceja
Meaning
the strip of hair growing on the ridge above the eye socket
Example
She raised her eyebrow in surprise.
Ella levantó la ceja en sorpresa.
C2 noun /ɪˈfluːviəm/

effluvium

efluvio
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
El efluvio de la fábrica se extendió por todo el vecindario.
B2 verb /ɪmˈbɑːrk/

embark

embarcar
Meaning
to begin a journey, project, or activity
Example
She decided to embark on a new career in medicine.
Ella decidió embarcarse en una nueva carrera en medicina.
C2 verb /ɛksˈproʊprieɪt/

expropriate

expropiar
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.
El gobierno decidió expropiar la tierra para una nueva carretera.
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.
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.
B1 verb ɪkˈspændɪd

expanded

expandido
Meaning
Made or become larger or more extensive.
Example
Expanded opportunities in education can transform lives.
Las oportunidades expandidas en la educación pueden transformar vidas.
B2 noun /ˈɛθɪk/

ethic

ética
Meaning
a set of moral principles, especially ones relating to a particular group, system, or profession
Example
He has a strong work ethic and always meets deadlines.
Él tiene una fuerte ética de trabajo y siempre cumple con los plazos.
B1 adjective ɪˈməʊʃənl

emotional

emocional
Meaning
Having feelings that are easily excited and openly displayed.
Example
Visiting the burial site made him emotional.
Visitar el sitio de entierro lo hizo emocional.
C1 adjective ɪmˈpɪr.ɪ.kəl

empirical

empírico o basado en la experiencia
Meaning
Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic.
Example
Scientific research relies on empirical evidence.
La investigación científica depende de la evidencia empírica.
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 /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 /ɪnˈθroʊn/

enthrone

entronizar
Meaning
to install someone on a throne or to give someone high status
Example
The king was enthroned in a grand ceremony.
El rey fue entronizado en una gran ceremonia.
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.
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.
B1 adjective /ˌen.əˈdʒet.ɪk/

Energetic

energético; activo; lleno de energía
Meaning
having or showing great activity; vigorous; full of energy
Example
She is very energetic and loves outdoor activities.
Ella es muy energética y le encantan las actividades al aire libre.
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.
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 verb /ɪˈvɪns/

evince

demostrar
Meaning
to show or demonstrate clearly
Example
She evinced her interest in the project through active participation.
Ella evidenció su interés en el proyecto mediante una participación activa.
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

atenuante
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
Ella pidió indulgencia debido a las circunstancias atenuantes.
B1 noun /ˈel.boʊ/

Elbow

codo
Meaning
the joint between the forearm and the upper arm
Example
He hurt his elbow while playing tennis.
Se lastimó el codo mientras jugaba al tenis.
C1 noun ɪɡˌzæs.pəˈreɪ.ʃən

exasperation

exasperacion
Meaning
Extreme irritation or frustration.
Example
He sighed in exasperation after hearing the same excuse again.
Él suspiró de exasperación después de oír la misma excusa otra vez.
C2 adjective /ˌɛlɪˈfæntaɪn/

elephantine

elefantino
Meaning
Huge, clumsy, or resembling an elephant in size or movement.
Example
The man moved with an elephantine grace.
El hombre se movió con una gracia elefantiina.
B2 noun /ɪmˈbærəsmənt/

embarrassment

vergüenza
Meaning
a feeling of self-consciousness, shame, or awkwardness
Example
Her face turned red with embarrassment after the mistake.
Su rostro se puso rojo de vergüenza después del error.
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 ɪɡˈzɔːrt

exhort

exhortar
Meaning
To strongly encourage or urge someone to do something.
Example
The teacher exhorted students to work hard for exams.
El profesor exhortó a los estudiantes a trabajar duro para los exámenes.
A1 pronoun /ˈɛvrɪθɪŋ/

everything

todo
Meaning
all things; the whole lot
Example
He packed everything in his suitcase.
Empacó todo en su maleta.
C1 adjective /ɪmˈbrɔɪld/

embroiled

involucrado
Meaning
being deeply involved in a difficult situation, conflict, or scandal
Example
She found herself embroiled in a heated family dispute.
Se encontró a sí misma involucrada en una acalorada disputa familiar.
A2 noun /ɪˈlek.trɪk fæn/

Electric fan

ventilador eléctrico
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.
El ventilador eléctrico mantiene la habitación fresca durante los días calurosos de verano.
B2 verb /ɪmˈbɒdi/

embody

encarnar
Meaning
To give tangible or visible form to an idea, quality, or feeling.
Example
She embodies the spirit of generosity.
Ella encarna el espíritu de generosidad.
A2 noun /ɪˈkɒn.ə.mi/

economy

economía
Meaning
The wealth and resources of a country or region.
Example
A stable economy is essential for national growth.
Una economía estable es esencial para el crecimiento nacional.
C1 adjective /ɪˈmɜːrdʒənt/

emergent

emergente
Meaning
just coming into existence or becoming prominent
Example
The emergent startup quickly attracted investors.
La startup emergente rápidamente atrajo inversionistas.
C1 adjective /ɪˈkwɛstriən/

equestrian

equitación
Meaning
Relating to horse riding or horseback riders.
Example
She won several equestrian competitions.
Ella ganó varias competiciones ecuestres.
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.
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 /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 noun ɪˈməʊʃənz

emotions

emociones
Meaning
Strong feelings deriving from one's circumstances, mood, or relationships with others.
Example
Emotions ran high during the protests.
Las emociones fueron altas durante las protestas.
C1 noun /ɪkˈstrækʃən/

extraction

extracción
Meaning
the act of removing something, especially by pulling it out
Example
The extraction of oil from the ground requires special equipment.
La extracción de petróleo del suelo requiere equipos especiales.
B2 noun /ˈɜːrnər/

earner

ingresador
Meaning
A person who earns money through work or business
Example
She is the primary earner in her family.
Ella es la principal ingresador en su familia.
C2 noun /ˈiːɡres/

egress

egreso
Meaning
The action of going out or leaving a place; an exit.
Example
The emergency door provided an egress for the trapped workers.
La puerta de emergencia proporcionó un egreso para los trabajadores atrapados.
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.
B2 verb /ɪkˈsɛl/

excel

sobresalir
Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
Ella siempre trata de sobresalir en sus estudios.
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

crecimiento rápido o expansión a un ritmo creciente
Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
La tecnología está avanzando a un ritmo exponencial.
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

electrolitos
Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
Los electrolitos ayudan a mantener el equilibrio adecuado de líquidos en el cuerpo.
B2 adjective /ɪkˈstɜːr.nəl/

External

externo
Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
La empresa contrató consultores externos para revisar su estrategia empresarial.
C1 noun /ˌiː.kwɪˈlɪb.ri.əm/

equilibrium

equilibrio
Meaning
A state of physical balance or stability in physical, mental, or economic conditions.
Example
The market reached an equilibrium between supply and demand.
El mercado alcanzó un equilibrio entre la oferta y la demanda.
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.
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.
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 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 /ˌɛksaɪˈteɪʃən/

excitation

excitación
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
La noticia creó gran excitación entre los aficionados.
B2 verb ɪnˈhɑːnst

enhanced

mejorado
Meaning
Intensify, increase, or further improve the quality, value, or extent of something.
Example
Enhanced strategies improve outcomes.
Las estrategias mejoradas mejoran los resultados.
B2 adjective ˈel.ɪ.dʒə.bəl

eligible

elegible
Meaning
Having the right to do or obtain something through satisfaction of the appropriate conditions.
Example
Only eligible candidates are considered for appointments.
Solo los candidatos elegibles son considerados para los nombramientos.
A1 adjective /ˈiːzi/

easy

fácil
Meaning
not difficult; requiring little effort
Example
The exam was surprisingly easy.
El examen fue sorprendentemente fácil.
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 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.
C1 noun /ˈiːkwɪnɒks/

equinox

equilibrio entre el día y la noche
Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
El equinoccio de primavera marca el comienzo de los días más largos.
C1 noun /juːˈfɔː.ri.ə/

euphoria

euforia, alegría extrema, éxtasis
Meaning
A feeling or state of intense excitement and happiness; elation.
Example
Winning the championship brought a sense of euphoria.
Ganar el campeonato le dio una sensación de euforia.
B2 noun /ɪkˈspəʊʒər/

exposure

exposición
Meaning
the state of being exposed to contact with something, especially harmful
Example
Prolonged exposure to the sun can damage your skin.
La exposición prolongada al sol puede dañar tu piel.
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 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.
B2 noun /ˌekspləˈreɪʃən/

exploration

exploración
Meaning
the action of traveling through or studying an area to learn more about it
Example
Space exploration has expanded our understanding of the universe.
La exploración espacial ha ampliado nuestra comprensión del universo.
B2 noun /ɪnˈdjʊə.rəns/

endurance

resistencia
Meaning
The fact or power of enduring an unpleasant or difficult process or situation without giving way.
Example
Running a marathon requires exceptional endurance.
Correr un maratón requiere una resistencia excepcional.
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.
B2 adjective /ɪnˈtaɪtəld/

entitled

con derecho
Meaning
having the right to do or have something; feeling deserving of special treatment
Example
Employees are entitled to paid leave.
Los empleados tienen derecho a un permiso remunerado.
B1 noun /ˈempaɪər/

empire

imperio
Meaning
a group of countries or regions controlled by one ruler or government
Example
The Roman Empire lasted for centuries.
El Imperio Romano duró siglos.
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.
A1 noun /iːst/

east

este
Meaning
The direction from which the sun rises; one of the four cardinal points.
Example
The sun rises in the east.
El sol sale por el este.
B1 noun /ɪkˈspens/

Expense

gasto; desembolso;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
El gasto de viaje para el viaje de negocios fue cubierto por la empresa.
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 /ˌɛfəˈvɛsəns/

effervescence

efervescencia
Meaning
The release of gas bubbles; vivacity or high-spiritedness.
Example
Her effervescence made her the life of the party.
Su efervescencia la hizo la vida de la fiesta.
C1 verb /ɪnˈtʃænt/

enchant

encantar
Meaning
to delight or charm greatly; to cast a spell over
Example
The storyteller enchanted the children with his tales.
El cuentacuentos encantó a los niños con sus relatos.
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 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.
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.
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.
B2 noun /ˈɪə.rə/

Era

era
Meaning
a long and distinct period of history with a particular feature or characteristic
Example
The Renaissance was an era of great artistic and cultural achievement.
El Renacimiento fue una era de gran logro artístico y cultural.
B2 noun /ˈɛmɪɡrənt/

emigrant

emigrante
Meaning
A person who leaves their own country to settle permanently in another.
Example
The emigrant started a new life in Canada.
El emigrante comenzó una nueva vida en Canadá.
B1 verb /ɪkˈspænd/

expand

expandir
Meaning
To increase in size, number, or importance.
Example
The company plans to expand its operations into new markets.
La empresa planea expandir sus operaciones a nuevos mercados.
B2 verb /ɪˈreɪs/

erase

borrar
Meaning
to remove completely; to delete or wipe out
Example
Use an eraser to erase the pencil marks.
Usa un borrador para borrar las marcas de lápiz.
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.
C1 adjective /ˌiːɡəˈtɪstɪkəl/

egotistical

ególatra
Meaning
Excessively self-absorbed or conceited.
Example
Her egotistical behavior made it difficult for her to maintain friendships.
Su comportamiento ególatra hizo difícil que mantuviera amistades.
B2 adjective /ɪˈtɜː.nəl/

Eternal

eterno; sin fin; inmortal; perpetuo
Meaning
lasting or existing forever; without end or beginning; everlasting
Example
Their love seemed eternal and unbreakable.
Su amor parecía eterno e inquebrantable.
A1 noun /ˈiːv.nɪŋ/

evening

tarde
Meaning
the part of the day between afternoon and night
Example
We went for a walk in the cool evening.
Fuimos a caminar en la fresca tarde.
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.
B1 noun /ɪkˈstent/

Extent

extensión; alcance; grado
Meaning
the area covered by something; the degree to which something has spread
Example
The extent of the damage caused by the flood was enormous.
La extensión del daño causado por la inundación fue enorme.