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C1 adjective /ænˈtɪriər/

anterior

anterior
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
La parte anterior del cerebro controla el pensamiento lógico.
C1 noun mɪˈtɪkjʊləsnɪs

meticulousness

atención minuciosa a los detalles
Meaning
Great attention to detail; very careful and precise.
Example
His meticulousness made the project successful.
Su meticulosidad hizo que el proyecto fuera exitoso.
C1 adverb /ˈhɒtli/

hotly

airadamente
Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
Ella negó las acusaciones airadamente.
C1 verb /hjuːˈmɪlieɪt/

humiliate

humillar
Meaning
to make someone feel ashamed or foolish by injuring their dignity
Example
He was humiliated by his public failure.
Él fue humillado por su fracaso público.
C1 noun /kənˈsep.ʃən/

Conception

concepción; idea; fertilización
Meaning
the forming of an idea or plan; the fertilization of an ovum by a sperm; the action of conceiving
Example
The conception of this innovative project took several months of brainstorming.
La concepción de este proyecto innovador tomó varios meses de lluvia de ideas.
C1 adjective /məˈnæstɪk/

monastic

monástico
Meaning
Relating to monks, monasteries, or a life of religious seclusion.
Example
He chose to live a monastic life away from the city.
Eligió vivir una vida monástica lejos de la ciudad.
C1 noun /blæk sɔːlt/

Black Salt

sal negra
Meaning
a type of rock salt with a distinctive sulfuric flavor, commonly used in Indian cuisine
Example
Add a pinch of black salt to enhance the flavor of the fruit salad.
Agregue una pizca de sal negra para mejorar el sabor de la ensalada de frutas.
C1 adjective /ˈsɛnʃənt/

sentient

sensible
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
Los humanos son seres sentientes capaces de razonar.
C1 noun /ˈæltoʊ/

alto

alto (una voz de canto de adulto)
Meaning
the second highest adult singing voice, between soprano and tenor
Example
She sang the alto part in the choir beautifully.
Ella cantaba la parte del alto en el coro hermosamente.
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

consolidación de la memoria
Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
El sueño juega un papel clave en la consolidación de la memoria.
C1 noun /krəˈvæs/

crevasse

grieta profunda
Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
Los escaladores cruzaron cuidadosamente la grieta helada.
C1 noun /ˈiːzl̩/

easel

soporte para lienzo
Meaning
a frame for supporting an artist's canvas while painting or drawing
Example
The artist placed the canvas on the easel before starting to paint.
El artista colocó el lienzo sobre el caballete antes de empezar a pintar.
C1 adjective /səˈtɪrɪk/

satiric

satírico
Meaning
Relating to or using satire.
Example
The novel takes a satiric view of urban life.
La novela tiene una visión satírica de la vida urbana.
C1 noun /ˈprɒmɪnəns/

prominence

prominencia
Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
Su trabajo ganó prominencia después del premio.
C1 adjective /ˈnɔːtɪkəl/

nautical

náutico
Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
Estudió mapas náuticos antes de zarpar.
C1 noun kəˈmɑːnd ɪˈkɒn.ə.mi

command economy

economía planificada
Meaning
An economic system where economic activities are controlled by the government.
Example
In a command economy, the government controls production and prices.
En una economía planificada, el gobierno controla la producción y los precios.
C1 noun /ˌdaɪəˈrɑːmə/

diorama

diorama
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
El museo mostró un diorama de una aldea antigua.
C1 noun /ˈmiːdieɪtər/

Mediator

mediador
Meaning
A person who attempts to make people involved in a conflict agree
Example
The United Nations often acts as a mediator in international disputes.
Las Naciones Unidas a menudo actúan como mediador en disputas internacionales.
C1 verb /praʊl/

prowl

merodear (para cazar o buscar)
Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
La gata merodeó alrededor del jardín por la noche.
C1 noun /rɪˈtriː.vəl/

retrieval

recuperación
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
El sistema de recuperación del cerebro ayuda a recordar experiencias pasadas.
C1 adjective deft

deft

habilidoso
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
Las manos hábiles del artista crearon una obra maestra.
C1 noun /ˈheɪˌdeɪ/

heyday

apogeo
Meaning
The period of greatest success, popularity, or power.
Example
In its heyday, the company dominated the market.
En su apogeo, la empresa dominaba el mercado.
C1 noun /ɪnˈhɛrɪtər/

inheritor

heredero
Meaning
a person who receives money, property, or a title when someone dies
Example
She became the inheritor of her family's estate.
Ella se convirtió en la heredera de la propiedad de su familia.
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

palanca, barra rígida
Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
Él usó una palanca para levantar la piedra pesada.
C1 adjective /ɪmˈpɛndɪŋ/

impending

inminente
Meaning
about to happen soon, usually something unpleasant or threatening
Example
The villagers were worried about the impending flood.
Los aldeanos estaban preocupados por la inundación inminente.
C1 verb /ʃɜːrk/

shirk

evitar
Meaning
to avoid or neglect a duty or responsibility
Example
He always tries to shirk his responsibilities at work.
Él siempre trata de evitar sus responsabilidades en el trabajo.
C1 noun /ˌprɑːfɪˈtɪr/

profiteer

especulador
Meaning
a person who makes excessive profits, especially unfairly or illegally
Example
The government punished war profiteers.
El gobierno castigó a los especuladores de la guerra.
C1 noun ˌhaɪ.droʊˈpɒn.ɪks

hydroponics

hidroponía
Meaning
Growing plants using nutrient-rich water instead of soil.
Example
Hydroponics allows crops to grow without soil.
La hidroponía permite que los cultivos crezcan sin tierra.
C1 noun /ˈtæn.ər/

tanner

curtidor
Meaning
A person whose job is to tan animal hides to make leather.
Example
The tanner worked long hours to produce fine leather.
El curtidor trabajó muchas horas para producir buen cuero.
C1 noun ˈdɪl.ɪ.dʒəns

diligence

diligencia
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
El éxito requiere paciencia y diligencia.
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

cartucho
Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
La impresora dejó de funcionar porque el cartucho de tinta estaba vacío.
C1 noun, verb /ˈfɛrɪt/

ferret

hurón, buscar persistentemente o descubrir algo
Meaning
a small domesticated animal used for hunting; to search or uncover something persistently
Example
He ferreted out the hidden documents.
Él sacó los documentos ocultos.
C1 noun /ˈsɛpərətɪst/

separatist

separatista
Meaning
A person who supports the separation of a group from a larger body, often for political or cultural independence.
Example
The separatist group demanded independence from the central government.
El grupo separatista exigió la independencia del gobierno central.
C1 verb /rɪˈsiːd/

recede

retroceder
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
Las aguas de la inundación comenzaron a retroceder después de que la lluvia intensa paró.
C1 adjective /ˈɔːrdɪnəl/

ordinal

ordinal
Meaning
Relating to the order or position of something in a sequence (first, second, third, etc.).
Example
The ordinal number 'third' indicates position in a sequence.
El número ordinal 'tercero' indica la posición en una secuencia.
C1 adjective /ˈdʒɑː.rɪŋ/

jarring

desagradable, impactante
Meaning
Striking or shocking in a way that creates a strong contrast or clash.
Example
The sudden loud noise was jarring to everyone in the room.
El ruido fuerte y repentino fue impactante para todos en la sala.
C1 noun /dɪˈten.ʃən/

Detention

detención; prisión temporal
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
El estudiante recibió detención por interrumpir repetidamente la clase.
C1 adjective /ˈsted.fæst/

Steadfast

firme; resuelto; inquebrantable
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
Ella permaneció firme en su compromiso de ayudar a los pobres.
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

calculador
Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
Tenía un enfoque frío y calculador hacia los negocios.
C1 verb /ɪnˈkrɪmɪˌneɪt/

incriminate

incriminar
Meaning
to make someone appear guilty of a crime or wrongdoing
Example
The new evidence could incriminate the suspect in the robbery case.
La nueva evidencia podría incriminar al sospechoso en el caso de robo.
C1 verb /rɪˈɡrɛs/

regress

retroceder
Meaning
To return to a former or less developed state.
Example
Without proper guidance, the child's progress began to regress.
Sin una guía adecuada, el progreso del niño comenzó a retroceder.
C1 noun /ˈælkəmi/

alchemy

alquimia
Meaning
A medieval practice combining elements of chemistry and philosophy, aimed at transforming matter, especially turning base metals into gold.
Example
Medieval scientists devoted their lives to alchemy.
Los científicos medievales dedicaron sus vidas a la alquimia.
C1 verb /ˈswɛltər/

swelter

sufrir por calor intenso
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
Empezamos a sudar bajo el sol del mediodía.
C1 noun /dɪsˈɒn.ər/

Dishonour

deshonra
Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
Romper su promesa trajo deshonra a su nombre y legado familiar.
C1 noun, verb /ˌprɒməˈneɪd/

promenade

paseo
Meaning
A leisurely walk or stroll, especially in a public place for pleasure or display.
Example
They went for a promenade along the seaside.
Fueron a un paseo por la costa.
C1 adjective /ˈɔːdəˌtɔːri/

auditory

auditivo
Meaning
Relating to the sense of hearing.
Example
The lecture was designed to enhance students' auditory learning skills.
La conferencia fue disenada para mejorar las habilidades de aprendizaje auditivo de los estudiantes.
C1 verb /səˈlɪdəˌfaɪ/

solidify

solidificar
Meaning
To make something firm, strong, or more certain.
Example
The company solidified its position in the market.
La empresa solidificó su posición en el mercado.
C1 noun /ˈɛspiənɑːʒ/

espionage

espionaje
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
El agente fue arrestado por cargos de espionaje contra el estado.
C1 adjective /ˈrʌɡ.ɪd/

Rugged

áspero y desigual; con superficie irregular; fuerte y resistente
Meaning
rough and uneven; having a rough irregular surface; tough and strong
Example
The hikers crossed the rugged mountain terrain.
Los excursionistas cruzaron el terreno accidentado de la montaña.
C1 verb /trænˈskraɪb/

transcribe

transcribir
Meaning
to make a written copy of spoken words or notes
Example
The secretary transcribed the meeting minutes.
La secretaria transcribió las actas de la reunión.
C1 adjective /ˈpent ʌp/

Pent-up

reprimido; restringido; confinado
Meaning
suppressed; restrained; confined
Example
He had pent-up anger that finally exploded.
Él tenía ira reprimida que finalmente explotó.
C1 adjective /ˈkɔː.zəl/

causal

causal
Meaning
relating to or acting as a cause
Example
There is a causal link between smoking and cancer.
Existe una relación causal entre fumar y el cáncer.
C1 noun /oʊˈbɪt.ʃu.er.i/

Obituary

obituario
Meaning
a notice of someone's death published in a newspaper; biographical account of deceased person
Example
The newspaper published his obituary yesterday.
El periódico publicó su obituario ayer.
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

rememorativo
Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
El olor a lluvia es rememorativo de mi infancia en el pueblo.
C1 noun /ˈnɑː.sɪ.sɪ.zəm/

narcissism

narcisismo
Meaning
Excessive interest in or admiration of oneself; extreme selfishness.
Example
His excessive narcissism made it difficult for him to empathize with others.
Su exceso de narcisismo le dificultaba empatizar con los demas.
C1 noun /ˈbɑːr.tər ˌsɪs.təm/

barter system

sistema de intercambio
Meaning
A system of exchange where goods and services are traded directly without using money.
Example
Ancient civilizations used the barter system for trade.
Las civilizaciones antiguas usaban el sistema de intercambio para el comercio.
C1 noun /ˈstæl.i.ən/

stallion

caballo macho para cría
Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
La granja posee un caballo macho poderoso para fines de cría.
C1 verb/noun /ˈkwɪbəl/

quibble

discutir sobre algo trivial
Meaning
To argue or raise objections about a trivial matter; a petty objection.
Example
They quibbled over who should pay the bill.
Ellos discutieron sobre quién debía pagar la cuenta.
C1 adjective /ˈsɪn.tɪ.leɪ.tɪŋ/

scintillating

deslumbrante
Meaning
brilliantly clever, exciting, or sparkling
Example
Her scintillating conversation kept everyone entertained.
Su conversación deslumbrante mantuvo a todos entretenidos.
C1 noun /dɪˈfɔː.mə.ti/

Deformity

deformidad; malformación física
Meaning
a distorted or unnatural shape or form; physical malformation
Example
The accident caused a permanent deformity in his left hand.
El accidente causó una deformidad permanente en su mano izquierda.
C1 verb /ˈviːtoʊ/

veto

vetar
Meaning
to reject or forbid a decision, proposal, or law
Example
The president decided to veto the new bill.
El presidente decidió vetar el nuevo proyecto de ley.
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 /ˈfʊtˌnoʊt/

foot-note

nota al pie
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
El autor incluyó una nota al pie para explicar el contexto histórico.
C1 adjective ˈpɪv.ə.təl

pivotal

fundamental
Meaning
Of crucial importance in relation to the development or success of something else.
Example
Renewable energy plays a pivotal role in sustainability.
La energía renovable juega un papel fundamental en la sostenibilidad.
C1 verb /kwɑːʃ/

quash

anular
Meaning
To reject or void something legally or to put an end to something forcefully.
Example
The court quashed the decision due to lack of evidence.
El tribunal anuló la decisión debido a la falta de pruebas.
C1 noun /ˈrɛnɪˌɡeɪd/

renegade

renegado
Meaning
a person who deserts or betrays an organization, country, or principles
Example
He was labeled a renegade after leaving the party and criticizing its policies.
Fue etiquetado como un renegado después de dejar el partido y criticar sus políticas.
C1 noun /ˈɡreɪdiənt/

gradient

pendiente
Meaning
A gradual slope, or the degree of inclination of a surface.
Example
The cyclist struggled up the steep gradient of the hill.
El ciclista luchó para subir la empinada pendiente de la colina.
C1 adjective /dæft/

daft

tonto
Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
Fue una idea tonta ir a hacer senderismo sin agua.
C1 adjective /ˈbær.ən/

Barren

árido; estéril; desolado; improductivo
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
El desierto árido se extendía por millas sin vegetación.
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

herbicida
Meaning
A chemical substance used to kill unwanted plants, especially weeds.
Example
Farmers used herbicide to protect their crops from invasive weeds.
Los agricultores usaron herbicidas para proteger sus cultivos de las malezas invasoras.
C1 adjective /raɪf/

rife

generalizado
Meaning
widespread or common, often in a negative sense
Example
Corruption was rife in the old government system.
La corrupción era generalizada en el antiguo sistema gubernamental.
C1 noun /ˌɑːrtʃˈbɪʃəp/

archbishop

arzobispo
Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
El arzobispo dio un sermón a miles de personas.
C1 noun /ˈwɒrənt/

Warrant

orden judicial
Meaning
a legal document that gives police the authority to do something; justification or authority for an action
Example
The police obtained a search warrant before entering the building.
La policía obtuvo una orden de registro antes de entrar en el edificio.
C1 noun /ˌdɪsəˈbiːdiəns/

disobedience

desobediencia
Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
La desobediencia del niño preocupó a sus padres.
C1 noun /deɪˈtɑːnt/

detente

distensión
Meaning
the easing of hostility or strained relations, especially between countries
Example
The two nations worked toward detente after decades of conflict.
Las dos naciones trabajaron hacia la distensión después de décadas de conflicto.
C1 noun /ɪˈmɜː.ʃən/

immersion

inmersión
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
La inmersión en juegos de VR hace que los usuarios sientan como si estuvieran dentro del mundo virtual.
C1 noun /ˈɡʌstoʊ/

gusto

entusiasmo
Meaning
great enjoyment, energy, or enthusiasm in doing something
Example
She sang the song with great gusto.
Ella cantó la canción con gran entusiasmo.
C1 noun /ɪˈklɪps/

Eclipse

eclipse (del sol o la luna)
Meaning
an obscuring of light from one celestial body by another; a decline or loss
Example
The total solar eclipse darkened the sky for several minutes.
El eclipse solar total oscureció el cielo durante varios minutos.
C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

ebrio
Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
Entró en la habitación completamente ebrio.
C1 adjective /ʌnˈvaɪəbl/

unviable

inválido
Meaning
Not capable of working successfully; not feasible or practical.
Example
The project was deemed unviable due to high costs.
El proyecto fue considerado inviable debido a los altos costos.
C1 phrase ˈiː.kəʊˌsɪs.təm kəˈlæps

ecosystem collapse

colapso del ecosistema
Meaning
The complete breakdown of an ecological system, resulting in the inability to maintain its structure and function.
Example
Unchecked deforestation can lead to ecosystem collapse.
La deforestación incontrolada puede llevar al colapso del ecosistema.
C1 adjective /ɪmˈpoʊzɪŋ/

imposing

imponente
Meaning
having an appearance that is grand, impressive, or commanding
Example
The castle is an imposing structure overlooking the valley.
El castillo es una estructura imponente que domina el valle.
C1 noun /prɪˈtɛnʃən/

pretension

pretensión, falsa apariencia
Meaning
A claim or assertion to something, often without justification; an attempt to impress by showing greater importance or talent than is actually possessed.
Example
His pretension to be an expert was quickly exposed.
Su pretensión de ser un experto fue rápidamente expuesta.
C1 verb /əˈbɔːrt/

abort

abortar; cancelar
Meaning
to stop a process or action before it is completed; to end a pregnancy deliberately
Example
The pilot decided to abort the mission due to bad weather.
El piloto decidió abortar la misión por el mal tiempo.
C1 noun /dɪˈluːʒən/

delusion

delirio
Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
Él vivía bajo la ilusión de que era invencible.
C1 adjective /ɪnˈæk.tɪv/

Inactive

inactivo
Meaning
not active; not working; dormant; idle
Example
The volcano has been inactive for over a century.
El volcán ha estado inactivo durante más de un siglo.
C1 noun/adjective /ˈbaɪ.ɡɒn/

bygone

pasado
Meaning
Something belonging to an earlier time; past and no longer existing.
Example
He often talks about the traditions of bygone days.
Él a menudo habla sobre las tradiciones de los días pasados.
C1 noun /ˈaʊtpoʊst/

outpost

puesto avanzado
Meaning
A small military camp or position at some distance from the main force, used especially as a guard.
Example
The soldiers were stationed at a remote outpost.
Los soldados fueron apostados en un puesto avanzado remoto.
C1 verb /ˈpæmpər/

pamper

mimar / consentir
Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
Los padres a menudo miman a su primer hijo.
C1 noun /ˈsteɪl.meɪt/

stalemate

empate
Meaning
A situation in which no progress can be made or no party can win.
Example
Negotiations ended in a stalemate.
Las negociaciones terminaron en un empate.
C1 verb /ˈslɪðər/

slither

deslizarse
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
La serpiente se deslizó a través de la hierba.
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 adjective /ˌrɛtroʊˈæktɪv/

retroactive

retroactivo
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
La nueva ley se hizo retroactiva para cubrir los casos pasados.
C1 verb /dəˈmɛstɪkeɪt/

domesticate

domesticar
Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
Los humanos domesticaron perros hace miles de años.
C1 noun /weɪ/

Whey

suero
Meaning
the watery part of milk that separates from the curds when making cheese
Example
Whey protein is popular among athletes and bodybuilders.
El proteína de suero es popular entre los atletas y culturistas.
C1 noun prəˈpɛn.sə.ti

propensity

propensidad o tendencia natural
Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
Él tiene una propensidad por asumir riesgos en los negocios.
C1 adjective /ˈfɑːð.ər.ləs/

fatherless

huérfano de padre
Meaning
without a father
Example
The fatherless child relied on the support of his community.
El niño huérfano de padre dependía del apoyo de su comunidad.
C1 adjective /ˌaʊtˈspoʊkən/

Outspoken

franco
Meaning
frank; speaking directly
Example
She is known for being outspoken about social issues.
Es conocida por ser franca sobre los problemas sociales.
C1 noun /iːl/

Eel

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

by-law

reglamento
Meaning
A rule made by a company, organization, or local authority to control the actions of its members.
Example
The city council passed a new by-law regulating street vendors.
El consejo de la ciudad aprobó una nueva ordenanza para regular a los vendedores ambulantes.
C1 adjective /ʃruːd/

Shrewd

astuto; inteligente; perspicaz
Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
El astuto hombre de negocios hizo un trato rentable en el mercado competitivo.
C1 noun /ˈwɔːtəʃɛd/

watershed

punto de inflexión, línea divisoria
Meaning
An event or period marking a turning point in a situation; also refers to a ridge dividing two drainage areas.
Example
The independence movement was a watershed in the nation's history.
El movimiento de independencia fue un punto de inflexión en la historia de la nación.
C1 adjective /ˌpærəˈdɒksɪkəl/

paradoxical

paradójico
Meaning
Seemingly contradictory or opposed to common sense, yet possibly true.
Example
It is paradoxical that standing is often more tiring than walking.
Es paradójico que estar de pie sea a menudo más cansado que caminar.
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 /mɑːrʃ/

Marsh

pantano
Meaning
An area of low-lying land that is flooded in wet seasons or at high tide
Example
The endangered birds built their nests in the protected marsh.
Las aves en peligro de extinción construyeron sus nidos en el pantano protegido.
C1 verb /θrɒb/

throb

latir
Meaning
to beat or pulse strongly, often with pain
Example
His head began to throb after the long day.
Su cabeza comenzó a latir después de todo el día.
C1 noun ˌlɪt.ɪˈɡeɪ.ʃən

litigation

litigio
Meaning
The process of taking legal action; a lawsuit.
Example
The litigation accused the regime of human rights abuses.
El litigio acusó al régimen de abusos a los derechos humanos.
C1 noun /ˈɒptɪks/

optics

óptica
Meaning
The branch of physics dealing with light and vision.
Example
She studied optics to understand how lenses work.
Ella estudió óptica para entender cómo funcionan las lentes.
C1 noun /bɪˈriːvmənt/

bereavement

duelo
Meaning
The state of having lost a loved one through death.
Example
She received many letters of sympathy during her time of bereavement.
Ella recibió muchas cartas de simpatía durante su periodo de duelo.
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

presagio ominoso
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
Ella sintió una profunda sensación de presagio ominoso al entrar en la casa abandonada.
C1 verb /blɛər/

blare

hacer un ruido fuerte
Meaning
to make a loud, harsh sound
Example
The car horns blared all night.
Las bocinas del coche sonaron toda la noche.
C1 noun /ˈdʒuː.və.naɪl/

Juvenile

juvenil; menor
Meaning
a young person below the age of adult criminal responsibility; relating to young people
Example
The juvenile court handles cases involving young offenders under eighteen.
El tribunal juvenil maneja casos que involucran a jóvenes infractores menores de dieciocho años.
C1 noun /ˈmɑːrtərdəm/

Martyrdom

martirio
Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
Su martirio inspiró a innumerables otros a unirse al movimiento por la libertad.
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

irregularidad
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
La auditoría reveló varias irregularidades financieras en los registros de la empresa.
C1 phrasal verb /ɡlɒs ˈoʊ.vər/

gloss over

pasar por alto / minimizar
Meaning
to avoid discussing something unpleasant or make it seem less important
Example
The report glossed over the company's financial problems.
El informe pasó por alto los problemas financieros de la empresa.
C1 noun /ˈɑːrmfʊl/

armful

brazo lleno
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
Ella llevó un brazo lleno de libros a la biblioteca.
C1 noun /əbˈzɜːrvətɔːri/

observatory

observatorio
Meaning
A building equipped for observing astronomical or meteorological events.
Example
The observatory is open to the public on weekends.
El observatorio está abierto al público los fines de semana.
C1 noun ˌnæʃ.ən.ə.laɪˈzeɪ.ʃən

nationalization

nacionalización
Meaning
The process of a government taking control of private property or industry.
Example
The nationalization of banks was aimed at stabilizing the economy.
La nacionalización de los bancos fue dirigida a estabilizar la economía.
C1 noun ˈæltruɪzəm

altruism

altruismo, preocupación desinteresada por el bienestar de los demás
Meaning
The belief in or practice of disinterested and selfless concern for the well-being of others.
Example
His altruism motivated others to volunteer.
Su altruismo motivó a otros a ofrecerse como voluntarios.
C1 verb /weɪd/

wade

caminar a través del agua
Meaning
to walk through water or another substance that impedes movement
Example
The children waded in the shallow river.
Los niños caminaban por el río poco profundo.
C1 noun /mælˈpræktɪs/

Malpractice

mala praxis
Meaning
Improper, illegal, or negligent professional behavior
Example
The surgeon was sued for malpractice after the failed operation.
El cirujano fue demandado por mala praxis después de la operación fallida.