sawdust
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C1 noun /ˈsɔː.dʌst/

sawdust

aserrín
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
El suelo estaba cubierto con aserrín del trabajo de carpintería.
C1 noun /ˈtʃæriət/

Chariot

carro de guerra
Meaning
an ancient horse-drawn vehicle used in warfare and racing
Example
The warrior rode his chariot into battle with great courage.
El guerrero montó su carro de guerra en la batalla con gran valentía.
C1 noun /bʌm/

bum

trasero
Meaning
informal term for the buttocks; also a homeless or lazy person
Example
He sat on his bum all day doing nothing.
Estuvo sentado en su trasero todo el día sin hacer nada.
C1 adjective /ˈroʊ.ɡɪʃ/

Roguish

travieso; pícaro
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
Su sonrisa traviesa sugería que estaba tramando alguna travesura.
C1 verb /bɪˈlɪtl/

belittle

menospreciar
Meaning
To make someone or something seem less important or less valuable.
Example
He often belittled his coworkers to feel superior.
Él a menudo menospreciaba a sus compañeros de trabajo para sentirse superior.
C1 verb /əˈlɒt/

allot

felicidad
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 verb /dɪˈsɛləˌreɪt/

decelerate

desacelerar
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
El coche comenzó a desacelerar al acercarse al semáforo.
C1 verb /ˈɪmprəvaɪz/

improvise

improvisar
Meaning
To create or perform something spontaneously without preparation.
Example
The actor had to improvise his lines when he forgot the script.
El actor tuvo que improvisar sus líneas cuando olvidó el guion.
C1 adjective /ˈdrɪəri/

dreary

triste / sombrío
Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
El largo y sombrío invierno hizo que todos se sintieran tristes.
C1 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

diferenciación, distinción
Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
La diferenciación de los competidores puede crear una posición única en el mercado.
C1 verb /ˈmedɪkeɪt/

medicate

medicar
Meaning
to treat with medicine; to give drugs to someone for medical purposes
Example
The doctor will medicate the patient to reduce inflammation.
El doctor medicará al paciente para reducir la inflamación.
C1 noun /ˈsɪtrɪk ˈæsɪd/

Citric Acid

ácido cítrico
Meaning
a natural acid found in citrus fruits, used as a food preservative and flavoring agent
Example
Add a pinch of citric acid to preserve the color of the fruit jam.
Añade una pizca de ácido cítrico para preservar el color de la mermelada de fruta.
C1 verb /bæsk/

bask

tomar el sol
Meaning
to lie in warmth and light; to enjoy something pleasurable
Example
The cat basks in the sunny window.
El gato toma el sol en la ventana soleada.
C1 noun /ˈhɔː.kər/

Hawker

vendedor ambulante
Meaning
a person who travels about selling goods, typically from door to door or on the street
Example
The hawker sold fresh fruits from his cart.
El vendedor ambulante vendió frutas frescas desde su carrito.
C1 noun /əˈrɪəz/

arrears

deuda pendiente
Meaning
Money that is owed and should have been paid earlier.
Example
She was months in arrears with her electricity bill.
Estaba meses en deuda con su factura de electricidad.
C1 verb /ˌriːˈsiːt/

reseat

reubicar
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
El acomodador tuvo que reubicar a los invitados después de la interrupción.
C1 noun /ˈtæm.ər.ɪnd/

Tamarind

tamarindo
Meaning
a brown tropical fruit with a tangy, sour taste used in cooking and beverages
Example
Tamarind is commonly used in Asian and Middle Eastern cuisines for its sour flavor.
El tamarindo se usa comúnmente en la cocina asiática y del Medio Oriente por su sabor ácido.
C1 noun /ˌɛtɪˈmɒlədʒi/

etymology

etimología
Meaning
The study of the origin of words and how their meanings and forms have evolved.
Example
The etymology of the word 'salary' comes from the Latin word for salt.
La etimología de la palabra 'salario' proviene de la palabra latina para sal.
C1 adjective /ˈvɛnəˌreɪtɪd/

venerated

venerado
Meaning
respected and admired deeply
Example
The venerated professor was honored with an award.
El profesor venerado fue honrado con un premio.
C1 adjective /səˈnɔːrəs/

sonorous

sonido profundo
Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
La voz sonorosa del actor llenó todo el teatro.
C1 noun dɪˈfleɪʃən

deflation

deflación
Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
La deflación a menudo conduce a una disminución del gasto de los consumidores.
C1 noun /rɪˈpen.təns/

Repentance

arrepentimiento
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
Su arrepentimiento genuino conmovió a todos en la sala del tribunal.
C1 noun /ˈlænd.slaɪd/

Landslide

deslizamiento de tierra
Meaning
a collapse of a mass of earth or rock from a mountain or cliff; an overwhelming victory in an election
Example
Heavy rains triggered a massive landslide that blocked the mountain highway.
Las fuertes lluvias provocaron un gran deslizamiento de tierra que bloqueó la carretera de montaña.
C1 adjective /ˈprevələnt/

Prevalent

prevalente
Meaning
widespread; existing very commonly; generally occurring
Example
Smoking is still prevalent among teenagers despite health warnings.
Fumar sigue siendo muy común entre los adolescentes a pesar de las advertencias de salud.
C1 noun /hʌl/

hull

casco del barco / cáscara de semilla
Meaning
The outer covering of a seed or fruit; also the main body of a ship.
Example
The sailors inspected the ship’s hull for any damage.
Los marineros inspeccionaron el casco del barco para detectar daños.
C1 noun /ˈmɪm.ɪk/

Mimic

imitador; imitar;
Meaning
A person who copies or imitates the actions, speech, or mannerisms of others
Example
The talented mimic could perfectly imitate famous celebrities.
El talentoso imitador pudo imitar perfectamente a las celebridades famosas.
C1 adjective /ˌpɜːrpənˈdɪkjələr/

perpendicular

perpendicular
Meaning
At an angle of 90 degrees to a given line, plane, or surface.
Example
The ladder was placed perpendicular to the ground for safety.
La escalera fue colocada perpendicular al suelo por seguridad.
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

receptividad
Meaning
The ability or willingness to receive something, especially signals or stimuli.
Example
Her receptivity to new ideas helped improve the project.
Su receptividad a nuevas ideas ayudó a mejorar el proyecto.
C1 verb /ˌʌndərˈsɛl/

undersell

vender a un precio más bajo
Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
La tienda vendió a sus rivales a un precio más bajo ofreciendo grandes descuentos.
C1 adjective /ˈskwiːmɪʃ/

squeamish

fácilmente propenso a sentirse enfermo, mareado o disgustado
Meaning
easily made to feel sick, faint, or disgusted
Example
She felt squeamish at the sight of blood.
Se sintió mareada al ver sangre.
C1 adjective /ˈspraɪtli/

sprightly

vivaz
Meaning
full of energy and life; lively
Example
The sprightly old man danced with joy at the wedding.
El hombre vivaz bailó con alegría en la boda.
C1 noun ˌprɒf.ɪ.təˈbɪl.ɪ.ti

profitability

rentabilidad
Meaning
The degree to which a business or activity yields profit or financial gain.
Example
Increasing sales and reducing costs boosted profitability.
El aumento de las ventas y la reducción de costos aumentaron la rentabilidad.
C1 noun /ˈiːɡoʊˌtɪzəm/

egotism

egotismo
Meaning
The practice of talking and thinking about oneself excessively because of an inflated sense of self-importance.
Example
His constant boasting revealed his egotism.
Su constante jactancia reveló su egotismo.
C1 adjective /ˌhɒməˈdʒiːniəs/

homogeneous

homogéneo, uniforme
Meaning
Of the same kind; alike.
Example
The team was not homogeneous in their skills.
El equipo no era homogéneo en sus habilidades.
C1 noun /vɛnˈdɛtə/

vendetta

venganza
Meaning
a prolonged bitter quarrel or campaign of revenge
Example
The two families were caught in a bitter vendetta for generations.
Las dos familias estuvieron atrapadas en una amarga venganza durante generaciones.
C1 noun /ˈʃæsi/

chassis

chasis del vehículo
Meaning
the base frame of a vehicle or other wheeled machine
Example
The mechanic examined the car's chassis for damage.
El mecánico examinó el chasis del coche en busca de daños.
C1 adjective /ʌnˈkæni/

uncanny

extraño
Meaning
Strange or mysterious, especially in an unsettling way.
Example
She has an uncanny ability to predict the future.
Ella tiene una extraña habilidad para predecir el futuro.
C1 noun, verb /ˈfɜːrloʊ/

furlough

licencia temporal
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
Muchos trabajadores fueron puestos en furlough durante la crisis.
C1 verb /dɪsˈbænd/

disband

disolver
Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
El club decidió disolverse después de veinte años de actividad.
C1 noun /bɒɡ/

bog

pantano
Meaning
an area of wet, spongy ground; a swamp or marsh
Example
The hikers got stuck in a bog.
Los excursionistas se quedaron atrapados en un pantano.
C1 noun /ˈtem.pɚ.əns/

temperance

templanza
Meaning
Moderation in action, thought, or feeling; restraint.
Example
Temperance is essential for a balanced life.
La templanza es esencial para una vida equilibrada.
C1 noun /ˈtrɛʒərər/

treasurer

tesorero
Meaning
a person responsible for managing the financial affairs of an organization
Example
The treasurer presented the annual financial report.
El tesorero presentó el informe financiero anual.
C1 verb /ˈθiːəraɪz/

theorize

teorizar
Meaning
To form a theory or set of ideas to explain something.
Example
Scientists often theorize about the origins of the universe.
Los científicos a menudo teorizan sobre los orígenes del universo.
C1 adjective /ˌjuːnɪˈlætərəl/

Unilateral

unilateral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
El país tomó una decisión unilateral de retirarse del tratado.
C1 adjective ˈɪn.lənd

Inland

del interior
Meaning
Situated in the interior of a country; away from the coast.
Example
Inland transport boosts local trade.
El transporte del interior impulsa el comercio local.
C1 noun /ˌkɒŋɡrɪˈɡeɪʃən/

congregation

congregación
Meaning
a group of people assembled for religious worship or a common purpose
Example
The congregation gathered to hear the sermon.
La congregación se reunió para escuchar el sermón.
C1 noun /ˈek.saɪl/

Exile

exilio
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
El líder político fue forzado al exilio después del golpe militar.
C1 noun /ˈtrɪviə/

trivia

datos triviales
Meaning
Details or information that are considered unimportant or of little value.
Example
The quiz was filled with fun trivia about movies and music.
El cuestionario estaba lleno de datos triviales sobre películas y música.
C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

refutación
Meaning
The act of proving a statement or argument to be false or incorrect.
Example
Her essay was a strong refutation of the opposing theory.
Su ensayo fue una fuerte refutación de la teoría opuesta.
C1 adjective /ˈrep.jə.tə.bəl/

Reputable

respetable
Meaning
having a good reputation; respected and trusted
Example
She works for a reputable law firm in the city.
Ella trabaja para una firma de abogados de renombre en la ciudad.
C1 adjective /ˈtɪp.tɒp/

Tiptop

excelente; de primera calidad
Meaning
of the highest quality; excellent; in perfect condition
Example
The car is in tiptop condition.
El coche está en excelente estado.
C1 noun /ˈrɛtɪsəns/

reticence

reticencia
Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
Su reticencia hizo que fuera difícil saber lo que estaba pensando.
C1 verb /bɪˈreɪt/

berate

regañar
Meaning
to scold or criticize angrily
Example
The teacher berated the student for being late.
El maestro regañó al estudiante por llegar tarde.
C1 noun /spɛk/

speck

mancha
Meaning
A very small spot, mark, or particle.
Example
There was a tiny speck of dust on the glass table.
Había una pequeña mancha de polvo en la mesa de cristal.
C1 adjective /ˌʃoʊ.vəˈnɪs.tɪk/

chauvinistic

chauvinista
Meaning
Displaying or characterized by excessive or prejudiced loyalty or support, especially towards one's own gender or group.
Example
His chauvinistic attitude alienated many of his female colleagues.
Su actitud chauvinista alienó a muchas de sus compañeras de trabajo.
C1 noun /ˌænəlˈdʒiːzɪk/

analgesic

analgésico
Meaning
A drug or substance that relieves pain.
Example
She took an analgesic to ease her headache.
Ella tomó un analgésico para aliviar su dolor de cabeza.
C1 adjective /ˈɑːrɡjuəbl/

arguable

discutible
Meaning
open to debate or discussion; not certain and capable of being argued for or against
Example
It is arguable that technology has improved our quality of life.
Es discutible que la tecnología haya mejorado nuestra calidad de vida.
C1 noun /ɪnˈkɜːrʒən/

incursion

incursión
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
El ejército repelió la incursión enemiga en la frontera.
C1 adjective /ˌmɒnəˈlɪθɪk/

monolithic

monolítico
Meaning
Massive, uniform, and indivisible; resembling a large single stone or structure.
Example
The company maintained a monolithic structure resistant to change.
La compañía mantuvo una estructura monolítica resistente al cambio.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abundante / generoso
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
El agricultor estaba agradecido por la abundante cosecha.
C1 noun, verb /ˈskʌf.əl/

scuffle

pelea/disputa
Meaning
a short, confused fight or struggle; to engage in such a fight
Example
Two players scuffled on the field after the foul.
Dos jugadores se pelearon en el campo después de la falta.
C1 adjective /ʌnˈfɔːltərɪŋ/

unfaltering

inquebrantable
Meaning
Steady and resolute; not weakening or hesitating
Example
She continued with unfaltering determination.
Ella continuó con una determinación inquebrantable.
C1 verb /ɡrʌnt/

grunt

gruñir
Meaning
to make a low, rough sound, often when exerting effort or expressing annoyance
Example
He grunted as he lifted the heavy box.
Él gruñó mientras levantaba la caja pesada.
C1 noun /ˌdʒuː.bɪˈleɪ.ʃən/

jubilation

jubileo
Meaning
a feeling or expression of great happiness and triumph
Example
There was jubilation in the streets after the victory.
Hubo jubileo en las calles después de la victoria.
C1 noun /rɪt/

writ

auto judicial
Meaning
A formal written order issued by a court.
Example
The judge issued a writ of habeas corpus.
El juez emitió un auto de habeas corpus.
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

autocontrol
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
Su autocontrol durante la crisis fue notable.
C1 verb /dɪsˈɡrʌntl/

disgruntle

descontentar
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
El trato injusto descontentó a los trabajadores.
C1 verb /əˈtoʊn/

atone

expiar
Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
Él intentó expiar sus errores ayudando a los demás.
C1 adjective ˌhaɪ.pəˈθet.ɪ.kəl

hypothetical

hipotético, supuesto, teórico
Meaning
Based on or serving as a hypothesis; supposed but not necessarily real or true.
Example
The discussion was based on hypothetical scenarios.
La discusión se basó en escenarios hipotéticos.
C1 adjective ɪˈluː.sər.i

illusory

ilusorio
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
Su sensación de seguridad era completamente ilusoria.
C1 verb /ˈpɪlfər/

pilfer

robar
Meaning
to steal things of small value or in small quantities
Example
The employee was caught pilfering office supplies.
El empleado fue atrapado robando suministros de oficina.
C1 verb /bʌdʒ/

budge

mover ligeramente / cambiar de opinión o posición
Meaning
To move slightly; to change one’s opinion or position.
Example
Despite the pressure, he refused to budge from his decision.
A pesar de la presión, él se negó a moverse de su decisión.
C1 adverb /ˈaʊtwədli/

Outwardly

externamente; superficialmente;
Meaning
on the surface; externally; in appearance
Example
Outwardly, he seemed calm, but inside he was nervous.
Exteriormente, parecía tranquilo, pero por dentro estaba nervioso.
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

inelegible; no apto; no cualificado
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
Los estudiantes con calificaciones bajas no son elegibles para el programa de becas.
C1 verb /ˌkaʊntərˈækt/

counteract

contrarrestar
Meaning
to act against something in order to reduce its effect
Example
The medicine helps counteract the side effects of the treatment.
El medicamento ayuda a contrarrestar los efectos secundarios del tratamiento.
C1 adjective /ˌɪlɪˈdʒɪtɪmət/

illegitimate

ilegítimo
Meaning
Not authorized by law, rules, or standards; not recognized as valid.
Example
The court ruled the contract to be illegitimate.
El tribunal dictaminó que el contrato era ilegítimo.
C1 noun /ˈfoʊliɪdʒ/

foliage

follaje
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
El follaje de otoño se veía impresionante en el parque.
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.
C1 adjective /ˈmjuːtɪd/

muted

atenuado
Meaning
softened in sound, color, or effect; subdued
Example
The room was painted in muted shades of blue and grey.
La habitación fue pintada en tonos atenuados de azul y gris.
C1 noun /ˈiː.dən/

Eden

Edén
Meaning
a place or state of great happiness; paradise
Example
The garden was like Eden, filled with beautiful flowers and peaceful atmosphere.
El jardín era como el Edén, lleno de hermosas flores y una atmósfera tranquila.
C1 adjective /klaɪˈmæktɪk/

climactic

climático
Meaning
Relating to the most exciting or important moment of something.
Example
The film ended with a climactic battle scene.
La película terminó con una escena de batalla climática.
C1 noun /ˈpeɪtriɑːrk/

patriarch

patriarca
Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
Como patriarca de la familia, mediaba disputas y mantenía vivas las viejas tradiciones.
C1 noun /ˈæptɪˌtjuːd/

aptitude

aptitud
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
Ella tiene una gran aptitud para aprender nuevos idiomas.
C1 noun /ˈmeɪniæk/

maniac

maniaco
Meaning
a person who behaves in a wildly foolish, dangerous, or violent way
Example
The driver was speeding like a maniac.
El conductor estaba conduciendo como un maníaco.
C1 noun, adjective /ˈrɛvərənd/

reverend

reverendo, honorable
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
El reverendo dio un sermón inspirador en la iglesia.
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

seguimiento del enfoque
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
Un seguimiento adecuado del enfoque mejora la productividad.
C1 noun /ˈæbət/

abbot

abad
Meaning
The head of a monastery for monks.
Example
The abbot welcomed the visitors to the monastery.
El abad dio la bienvenida a los visitantes al monasterio.
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.
C1 adjective /ˈwer.i/

Wary

cauteloso; prudente
Meaning
cautious; careful to avoid danger or problems
Example
She was wary of strangers approaching her at night.
Ella estaba cautelosa con los extraños que se acercaban a ella por la noche.
C1 noun /ˈhiːdəˌnɪzəm/

hedonism

hedonismo
Meaning
The pursuit of pleasure and self-indulgence as the highest goal.
Example
The lifestyle of the rich is often criticized as pure hedonism.
El estilo de vida de los ricos a menudo se critica como puro hedonismo.
C1 noun /ˈproʊbeɪt/

probate

prueba testamentaria
Meaning
the official proving of a will in a court of law
Example
The family had to go through probate after his death.
La familia tuvo que pasar por el proceso de prueba testamentaria después de su muerte.
C1 adjective /steɪd/

staid

serio, respetable
Meaning
Serious, respectable, and unadventurous.
Example
He came from a staid family background.
Él vino de una familia seria.
C1 adjective /ˈtæk.taɪl/

tactile

táctil
Meaning
Connected with the sense of touch; perceptible by touch or giving a sensation when touched.
Example
The tactile experience of the fabric was soft and smooth.
La experiencia táctil de la tela era suave y lisa.
C1 noun /ˈkæn.ə.pi/

canopy

la capa superior de un bosque formada por las copas de los árboles; cobertura superior
Meaning
The upper layer of a forest formed by the crowns of trees; overhead cover.
Example
The rainforest canopy provides shelter to many birds and insects.
El dosel del bosque tropical proporciona refugio a muchas aves e insectos.
C1 noun /prɪˈdɒmɪnəns/

predominance

preponderancia
Meaning
The state of being greater in number, strength, or importance.
Example
The predominance of online shopping has changed retail forever.
La preponderancia de las compras en línea ha cambiado el comercio minorista para siempre.
C1 noun/verb /skɜːrdʒ/

scourge

maldición / flagelo
Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
La enfermedad y la pobreza siguen siendo una maldición en muchas regiones.
C1 noun /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

inflexibilidad
Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
La inflexibilidad de las reglas causó retrasos innecesarios.
C1 noun ˈfɔː.saɪt

foresight

previsión
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
Su previsión ayudó a la empresa a evitar pérdidas financieras.
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.
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

ineficaz
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
El liderazgo ineficaz del gerente hizo que el equipo perdiera la motivación.
C1 adjective /ˈɜːr.nɪst/

Earnest

serio; genuino; mostrando profunda y seria convicción
Meaning
sincere; genuine; showing deep and serious conviction
Example
He made an earnest attempt to solve the problem.
Él hizo un intento serio de resolver el problema.
C1 noun /ˈɛn.kleɪv/

enclave

enclave
Meaning
a distinct area or group enclosed within a larger one
Example
The city has a small Italian enclave where traditions are preserved.
La ciudad tiene un pequeño enclave italiano donde se preservan las tradiciones.
C1 adjective /ˈflæɡɪŋ/

flagging

decaer, agotarse o perder entusiasmo
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
Después de horas de trabajo, su energía estaba disminuyendo.
C1 noun ˌvɒl.əˈtɪl.ɪ.ti

volatility

volatilidad
Meaning
Liability to change rapidly and unpredictably, especially for the worse; instability.
Example
The stock market's volatility makes investment risky.
La volatilidad del mercado de valores hace que la inversión sea arriesgada.
C1 noun /ˈeɪ.nəs/

Anus

ano
Meaning
the opening at the end of the digestive tract through which waste leaves the body
Example
The doctor examined the patient's anus during the medical checkup.
El doctor examinó el ano del paciente durante el chequeo médico.
C1 verb /mæʃ/

mash

machacar
Meaning
to crush or mix food into a soft mass, usually by pressing or beating
Example
She mashed the potatoes before serving dinner.
ella machó las papas antes de servir la cena.
C1 noun /ˈzɛnəˌfoʊb/

xenophobe

xenófobo
Meaning
a person who dislikes or fears people from other countries or cultures
Example
The politician was criticized as a xenophobe due to his anti-immigrant policies.
El político fue criticado como xenófobo debido a sus políticas anti-inmigrantes.
C1 verb /skrɔːl/

scrawl

escribir rápidamente y de manera desordenada
Meaning
to write or draw something quickly and carelessly, making it hard to read
Example
He scrawled his signature at the bottom of the page.
Él scrawle su firma en la parte inferior de la página.
C1 adjective /əˈbliːk/

Oblique

oblicuo; diagonal; indirecto o evasivo
Meaning
slanting; diagonal; indirect or evasive
Example
The artist drew an oblique line across the canvas.
El artista dibujó una línea oblicua en el lienzo.
C1 noun /meɪl treɪn/

Mail train

tren correo
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
El tren postal sale todas las tardes para entregar cartas a través del país.
C1 noun /ˈsɪ.nɪk/

Cynic

cínico; persona escéptica
Meaning
a person who believes that people are motivated purely by self-interest; someone who is skeptical about human nature
Example
The old cynic believed that politicians only cared about getting votes.
El viejo cínico creía que los políticos solo se preocupaban por conseguir votos.
C1 verb /ˈpɜːrsɪkjuːt/

persecute

felicidad
Meaning
to treat someone cruelly or unfairly, especially because of their religion, race, or beliefs
Example
Many people were persecuted for their faith during that time.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

inevitabilidad
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
La inevitabilidad del cambio es parte de la vida.
C1 noun /ˈhɒl.ə.kɔːst/

holocaust

holocausto
Meaning
A large-scale destruction, especially by fire; historically, the genocide of Jews during World War II.
Example
Millions of people perished during the Holocaust.
Millones de personas perecieron durante el Holocausto.
C1 verb /ˈpɒstʃʊleɪt/

postulate

postular
Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
Los científicos postulan que la vida existe en otros planetas.
C1 noun /ˈeɪ.kər.ɪdʒ/

acreage

hectárea
Meaning
An area of land measured in acres.
Example
The farmer owns a large acreage of fertile land.
El agricultor posee una gran hectárea de tierra fértil.
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

impertinente
Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
Fue impertinente de su parte cuestionar la decisión del gerente.
C1 adjective /kənˈtɛmptʃuəs/

contemptuous

despectivo, desdeñoso
Meaning
showing or expressing contempt; scornful
Example
She gave him a contemptuous glance.
Ella le dio una mirada desdeñosa.
C1 noun /ˈpɛsəl/

pestle

pistilo
Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
Ella usó un pistilo para moler las especias.
C1 noun /fəˈsɑːd/

facade

fachada
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
La fachada de vidrio del edificio reflejaba el atardecer.
C1 noun /ˈfɔːrˌθɔːt/

forethought

previsión
Meaning
careful consideration of what will be necessary or may happen in the future
Example
With a little forethought, we could have avoided the problem.
Con un poco de previsión, podríamos haber evitado el problema.