Callous
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C1 adjective /ˈkæl.əs/

Callous

insensible; cruel; despiadado
Meaning
showing or having an insensitive and cruel disregard for others; emotionally hardened
Example
He showed a callous disregard for others' feelings.
Él mostró un desdén calloso por los sentimientos de los demás.
C1 adjective /ɪˈspeʃəl/

especial

especial
Meaning
Particularly remarkable or significant; distinguished from others
Example
This is an especial opportunity you should not miss.
Esta es una oportunidad especial que no debes perder.
C1 verb /kəmˈpjuːt/

compute

calcular
Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
El software puede calcular el costo total en segundos.
C1 verb /dɪsˈkʌlər/

discolor

descolorar
Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
La tela comenzó a descolorarse después de dejarla al sol.
C1 verb /θræʃ/

thrash

golpear
Meaning
to beat someone or something violently; to move wildly or violently
Example
The angry man threatened to thrash his opponent.
El hombre enojado amenazó con golpear a su oponente.
C1 verb ˌæs.ɚˈteɪn

ascertain

verificar
Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
La policía intentó verificar la causa del accidente.
C1 noun /ˈpɪnəkəl/

pinnacle

cima
Meaning
the highest point or peak of something, especially of success or achievement
Example
Winning the Nobel Prize was the pinnacle of her career.
Ganar el Premio Nobel fue el pináculo de su carrera.
C1 verb /ɪnˈdʌkt/

induct

admitir formalmente a alguien en una posición, organización o cargo
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Ella fue admitida en la sociedad de honor de la universidad.
C1 noun /rentʃ/

Wrench

llave inglesa
Meaning
a tool used for gripping and turning nuts, bolts, or pipes
Example
He used a wrench to tighten the bolt.
Usó una llave inglesa para apretar el perno.
C1 verb /ˈdʒʌmbəl/

jumble

mezclar
Meaning
to mix things together in a confused or untidy way
Example
Don't jumble all the papers together in one pile.
No mezcles todos los papeles en una sola pila.
C1 noun /ˈɡreɪvstoʊn/

gravestone

lápida
Meaning
A stone that marks a grave, usually inscribed with the name of the deceased.
Example
The gravestone had her name carved beautifully.
La lápida tenía su nombre grabado hermosamente.
C1 noun /ˈæpəθi/

apathy

apatía
Meaning
a lack of interest, enthusiasm, or concern
Example
The students showed apathy towards the new rules.
Los estudiantes mostraron apatía hacia las nuevas reglas.
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 verb /ɪmˈbɛl.ɪʃ/

embellish

adornar
Meaning
To make something more attractive by adding decorative details or exaggerating.
Example
He tends to embellish stories to make them more interesting.
Tiende a adornar las historias para hacerlas más interesantes.
C1 noun /voʊɡ/

vogue

moda
Meaning
the prevailing fashion, style, or trend at a particular time
Example
Minimalist design is currently in vogue.
El diseño minimalista está actualmente de moda.
C1 noun /ɔːr/

Oar

remo
Meaning
a long pole with a flat blade used to row a boat
Example
He dipped the oar into the water and pulled the boat forward.
Sumergió el remo en el agua y empujó el bote hacia adelante.
C1 verb /ˈliːɡəlaɪz/

legalize

legalizar
Meaning
To make something lawful by official approval.
Example
The government decided to legalize online businesses.
El gobierno decidió legalizar los negocios en línea.
C1 noun /wedʒ/

Wedge

cuña; cuñar; partir
Meaning
a triangular piece of wood or metal used for splitting or securing; a piece of cheese or cake
Example
He used a wooden wedge to split the log into smaller pieces.
Usó una cuña de madera para dividir el tronco en pedazos más pequeños.
C1 noun /ˌɒk.sɪ.dʒɪˈneɪ.ʃən/

oxygenation

suministro o tratamiento con oxígeno
Meaning
The process of supplying or treating with oxygen.
Example
Deep breathing exercises improve oxygenation of the body.
Los ejercicios de respiración profunda mejoran el suministro de oxígeno en el cuerpo.
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 noun /ˈbeɪlɪf/

bailiff

oficial de la corte
Meaning
An official who keeps order in a court, carries out court orders, or collects debts.
Example
The bailiff asked everyone to rise as the judge entered the courtroom.
El oficial de la corte pidió a todos que se pusieran de pie cuando el juez entró a la sala.
C1 noun /ˈfɔɪeɪr/

foyer

vestíbulo
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
Los huéspedes esperaron en el vestíbulo del hotel antes de registrarse.
C1 verb /ˈsɪvɪlaɪz/

civilize

civilizar
Meaning
to bring a society or group to a more developed, organized, or socially acceptable state; to educate and refine behavior
Example
Education can help civilize communities by promoting shared values and respect.
La educación puede ayudar a civilizar a las comunidades promoviendo valores compartidos y respeto.
C1 noun /kəmˈpʌl.ʃən/

Compulsion

compulsión; coacción;
Meaning
the action or state of forcing or being forced to do something; an irresistible urge to behave in a certain way
Example
He felt a strong compulsion to check his phone every few minutes.
Sintió una fuerte compulsión de revisar su teléfono cada pocos minutos.
C1 noun /flæt fɪʃ/

Flat fish

pez plano
Meaning
a type of fish with a flattened body that lives on the sea floor
Example
Flat fish like sole and flounder are excellent for grilling.
Los peces planos como el lenguado y el platija son excelentes para asar a la parrilla.
C1 adjective /rɪˈbel.jəs/

Rebellious

rebelde; desobediente; que resiste la autoridad;
Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
El adolescente rebelde se negó a seguir las reglas de sus padres.
C1 noun /moʊt/

moat

foso
Meaning
A deep, wide ditch surrounding a castle or town, often filled with water, for defense.
Example
The castle was protected by a wide moat filled with water.
El castillo estaba protegido por un amplio foso lleno de agua.
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 adjective /ræpt/

Rapt

absorto
Meaning
completely fascinated or absorbed by what one is seeing or hearing
Example
The children listened with rapt attention to the storyteller.
Los niños escucharon con atención absorta al cuentacuentos.
C1 noun /ˈkwɪk.sænd/

Quick-sand

arena movediza
Meaning
loose wet sand that yields easily to pressure and sucks in anything on its surface
Example
The explorer got trapped in quicksand while crossing the desert.
El explorador quedó atrapado en la arena movediza mientras cruzaba el desierto.
C1 noun /ˈɔr.ə.kəl/

Oracle

oráculo
Meaning
a person regarded as a source of wise counsel; in ancient times, a priest or priestess acting as a medium
Example
The ancient Greeks consulted the oracle at Delphi.
Los antiguos griegos consultaban el oráculo en Delfos.
C1 adjective /ˌɑːpərˈtuːn/

opportune

momento oportuno
Meaning
Happening at a suitable or convenient time.
Example
She arrived at an opportune moment to help.
Llegó en un momento oportuno para ayudar.
C1 noun /ˈvɜː.tɪ.kəl ˈfɑː.mɪŋ/

vertical farming

agricultura vertical
Meaning
The practice of growing crops in vertically stacked layers, often incorporating controlled-environment agriculture.
Example
Vertical farming ensures maximum space utilization in urban areas.
La agricultura vertical asegura la máxima utilización del espacio en las áreas urbanas.
C1 noun /ˈpoʊlstər/

pollster

encuestador
Meaning
a person or organization that conducts surveys to gauge public opinion
Example
The pollster predicted a close election outcome.
El encuestador predijo un resultado electoral reñido.
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

ratificación
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
El tratado requirió ratificación por los parlamentos de ambos países.
C1 noun /rəˈviːn/

ravine

desfiladero
Meaning
A deep, narrow valley with steep sides.
Example
The river carved a deep ravine through the mountains.
El río formó un profundo desfiladero a través de las montañas.
C1 verb /snɪər/

sneer

sonreír de forma burlona
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
Ella se burló de su intento de cantar.
C1 verb /ˈfɪdʒɪt/

fidget

moverse inquieto, estar inquieto
Meaning
to make small movements, especially because of nervousness or impatience
Example
The child began to fidget during the long lecture.
El niño empezó a moverse durante la larga conferencia.
C1 adjective /ˈsʌltri/

sultry

caluroso y húmedo, atractivo
Meaning
Uncomfortably hot and humid; also describes someone attractive in a passionate or sensual way.
Example
The sultry weather made it hard to focus on work.
El clima caluroso y húmedo dificultaba concentrarse en el trabajo.
C1 noun, verb /tɪndʒ/

tinge

un toque ligero de color o sabor
Meaning
a slight added color, flavor, or feeling; to add a slight amount of color or quality
Example
Her voice was tinged with sadness.
Su voz estaba teñida de tristeza.
C1 verb /feɪn/

feign

fingir, simular
Meaning
to pretend or fake; to give a false appearance of
Example
She feigned illness to avoid going to work.
Ella fingió estar enferma para evitar ir a trabajar.
C1 adjective /ɪmˈpʌlsɪv/

impulsive

impulsivo, de impulso
Meaning
acting suddenly without careful thought
Example
She made an impulsive decision to buy the car.
Tomó una decisión impulsiva de comprar el coche.
C1 noun /ˈtrævɪsti/

travesty

parodia
Meaning
A false, absurd, or distorted representation of something.
Example
The trial was a travesty of justice.
El juicio fue una parodia de la justicia.
C1 noun /saɪˈteɪʃən/

citation

citación
Meaning
a quotation from or reference to a book, paper, or author
Example
The research paper included a citation from Shakespeare.
El artículo de investigación incluyó una cita de Shakespeare.
C1 adjective /pərˈtɜːrbd/

perturbed

perturbado
Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
Se veía perturbado después de escuchar las malas noticias.
C1 noun /hɪˈstɪəriə/

hysteria

histeria
Meaning
An uncontrollable outburst of emotion or fear, often characterized by irrational behavior.
Example
The crowd was in a state of hysteria during the concert.
La multitud estaba en un estado de histeria durante el concierto.
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

abdominal
Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
Se quejaba de un dolor abdominal severo.
C1 noun /ˈkærɪkətjʊə/

caricature

caricatura
Meaning
A picture or description that exaggerates certain features for comic or satirical effect.
Example
The magazine published a caricature of the politician.
La revista publicó una caricatura del político.
C1 noun /huːf/

Hoof

pezuña
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
La pezuña del caballo se lesionó después de pisar una roca afilada.
C1 adjective /ˈskeɪðɪŋ/

scathing

crítica mordaz
Meaning
severely critical; harshly scornful
Example
The critic wrote a scathing review of the movie.
El crítico escribió una crítica mordaz de la película.
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 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

burocrático
Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
La burocracia a menudo retrasa la aprobación de proyectos.
C1 adjective /əbˈstrʌk.tɪv/

Obstructive

obstructivo
Meaning
deliberately creating difficulties or preventing progress; hindering or blocking something
Example
The obstructive policies hindered economic growth.
Las políticas obstructivas obstaculizaron el crecimiento económico.
C1 noun /bəˈtɒn/

baton

bastón / símbolo de autoridad
Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
El director levantó su batón para comenzar la sinfonía.
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 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

indispensable
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
El agua es indispensable para la supervivencia humana.
C1 verb /dɪˈmiːn/

demean

despreciar
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
El gerente descalificó a sus empleados con comentarios groseros.
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

inoffensivo
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
Sus comentarios inofensivos mantuvieron la conversación amigable.
C1 noun /ˈbroʊkərɪdʒ/

brokerage

corretaje
Meaning
A firm that acts as an intermediary between buyers and sellers, often charging a fee.
Example
The real estate brokerage helped them find a new home.
La correduría inmobiliaria les ayudó a encontrar una nueva casa.
C1 verb /əˈbaʊnd/

abound

abundar
Meaning
To exist in large numbers or amounts.
Example
Opportunities abound in the field of technology.
Las oportunidades abundan en el campo de la tecnología.
C1 noun /ˌdɛfəˈmeɪʃən/

defamation

difamación
Meaning
the act of damaging someone's reputation by making false statements
Example
The newspaper was sued for defamation of character.
El periódico fue demandado por difamación.
C1 verb /ˈtɑːrnɪʃ/

tarnish

embarrar
Meaning
To lose luster, especially as a result of exposure to air or moisture; to damage reputation.
Example
The silver jewelry tarnished quickly when left in the open air.
La joyería de plata se embarró rápidamente cuando se dejó al aire libre.
C1 noun /ˈspɔɪlˌspɔːrt/

spoilsport

aguafiestas
Meaning
A person who ruins other people's enjoyment or fun.
Example
Don't be a spoilsport and let us enjoy the party.
No seas un aguafiestas y déjanos disfrutar de la fiesta.
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

egocéntrico
Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
Estaba demasiado egocéntrico para notar la angustia de su amigo.
C1 adjective /əˈbreɪsɪv/

abrasive

áspero, rugoso o capaz de desgastar por frotamiento
Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
Su tono áspero hizo que todos se sintieran incómodos.
C1 noun /ˈmævərɪk/

maverick

persona independiente
Meaning
An unorthodox or independent-minded person.
Example
The maverick scientist challenged established theories.
El científico independiente desafió las teorías establecidas.
C1 noun /ˈmɛrɪɡoʊld/

Marigold

caléndula
Meaning
a bright orange or yellow flower of the daisy family, often used in gardens and ceremonies
Example
The vibrant marigold flowers added a splash of color to the festival decorations.
Las vibrantes flores de caléndula añadieron un toque de color a las decoraciones del festival.
C1 adjective /ˌɪntərˈtwaɪnd/

intertwined

felicidad
Meaning
closely connected or twisted together
Example
Their lives became deeply intertwined after the accident.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun /əˈlɒt.mənt/

allotment

asignación, reparto
Meaning
The distribution or allocation of something, especially resources or portions.
Example
Each department received an allotment of resources.
Cada departamento recibió una asignación de recursos.
C1 adjective /ˌɛpɪˈsɒdɪk/

episodic

episódico
Meaning
Happening occasionally or in separate parts; related to episodes.
Example
Her interest in art was episodic, coming and going over the years.
Su interés por el arte era episódico, viniendo y yendo a lo largo de los años.
C1 adjective /ˈræspi/

raspy

áspero
Meaning
having a harsh, rough, or grating sound
Example
His raspy voice revealed years of smoking.
Su voz áspera reveló años de fumar.
C1 noun /ˈkɒn.vɔɪ/

convoy

convoy
Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.
El convoy militar atravesó el desierto al amanecer.
C1 adjective /ˈpəʊ.tənt/

Potent

potente; fuerte; eficaz
Meaning
having great strength, power, or effect; influential
Example
The medicine is very potent and should be taken carefully.
La medicina es muy potente y debe tomarse con cuidado.
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.
C1 noun /æɡˈnɒs.tɪk/

agnostic

agnóstico
Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
Se describió a sí mismo como un agnóstico en lugar de un ateo.
C1 adjective /læks/

lax

relajado, descuidado
Meaning
Not strict, severe, or careful; negligent or careless.
Example
The security at the airport was surprisingly lax.
La seguridad en el aeropuerto era sorprendentemente relajada.
C1 verb, noun /spraʊt/

sprout

brotar
Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
Las semillas comenzaron a brotar después de unos días de lluvia.
C1 verb əˈblɪt.ə.reɪt

obliterate

destruir
Meaning
To destroy utterly; wipe out completely, to erase or remove something completely.
Example
The storm obliterated entire villages.
La tormenta destruyó aldeas enteras.
C1 verb /ˈdaʊn.pleɪ/

downplay

restar importancia
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
La empresa intentó restar importancia a los riesgos del nuevo producto.
C1 noun ˌmɪsˈmænɪdʒmənt

mismanagement

mala gestión
Meaning
Bad or careless management of something.
Example
Mismanagement of plastic waste worsens pollution.
La mala gestión de los desechos plásticos empeora la contaminación.
C1 adjective /ˈvæljuːləs/

valueless

inútil
Meaning
having no worth, importance, or usefulness
Example
The old broken phone was considered valueless.
El viejo teléfono roto fue considerado inútil.
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 /ˈmɒsi/

Mossy

cubierto de musgo; con musgo creciendo en él
Meaning
covered with moss; having moss growing on it
Example
The old tree trunk was mossy and covered with green vegetation.
El tronco viejo del árbol estaba cubierto de musgo y cubierto de vegetación verde.
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

bilateral
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
Los dos países firmaron un acuerdo comercial bilateral.
C1 noun, adjective /ˈsɒlvənt/

solvent

disolvente, capaz de pagar deudas
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
El acetona es un disolvente común usado en laboratorios.
C1 noun /ˈsɑːri/

Saree

sari
Meaning
a garment consisting of a length of cotton or silk elaborately draped around the body, traditionally worn by women from South Asia
Example
She looked elegant in her red silk saree at the festival.
Ella lucía elegante con su sari de seda roja en el festival.
C1 adjective /ˈfɪs.kəl/

fiscal

fiscal
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
El gobierno introdujo nuevas políticas fiscales para controlar la inflación.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

excruciante
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
Ella estaba en dolor insoportable después del accidente.
C1 noun /ˈsaɪnəs/

sinus

seno
Meaning
A cavity within a bone or tissue, especially those in the bones of the face connected with the nasal cavities.
Example
He suffered from a sinus infection that caused headaches.
Él sufrió de una infección sinusal que le causó dolor de cabeza.
C1 noun /ˌplɔː.zəˈbɪl.ə.ti/

plausibility

probabilidad
Meaning
The quality of being reasonable or probable.
Example
The plausibility of his explanation convinced the jury.
La plausibilidad de su explicación convenció al jurado.
C1 adjective /ɪnˈkɒmp(ə)rəbl/

incomparable

incomparable
Meaning
Without an equal in quality or excellence; matchless.
Example
The view from the mountain was incomparable.
La vista desde la montaña era incomparable.
C1 adjective /ˈfænsiːd/

fancied

imaginado, deseado
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Él es un pretendiente imaginado a los ojos de la joven.
C1 adjective /ˌaʊtˈlændɪʃ/

outlandish

extraño
Meaning
Looking or sounding bizarre or unfamiliar; strange.
Example
He wore an outlandish costume to the festival.
Él llevaba un traje extraño al festival.
C1 noun /ˈdʒʊərər/

juror

miembro del jurado
Meaning
a member of a jury who is chosen to hear evidence in a legal case and help make a decision
Example
The juror listened carefully to the witness’s testimony.
El miembro del jurado escuchó cuidadosamente el testimonio del testigo.
C1 noun /prɒɡˈnoʊsɪs/

prognosis

pronóstico
Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
El doctor dio un pronóstico positivo para la recuperación del paciente.
C1 adjective, noun /ˈpæstərəl/

pastoral

rural, relacionado con pastores
Meaning
relating to the countryside, shepherds, or rural life; also relating to spiritual guidance by a pastor
Example
The painting had a calm pastoral scene with sheep grazing.
La pintura tenía una escena pastoral tranquila con ovejas pastando.
C1 noun /kənˈtʃɛrtoʊ/

concerto

composición musical
Meaning
a musical composition for one or more solo instruments accompanied by an orchestra
Example
She played a Mozart concerto with the orchestra.
Ella tocó un concierto de Mozart con la orquesta.
C1 noun /kəˈmændər ɪn tʃiːf/

Commander-in-chief

comandante en jefe
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
El presidente actúa como el comandante en jefe de las fuerzas armadas.
C1 noun, verb /ɡliːm/

gleam

destello
Meaning
a small or brief shining light; to shine softly
Example
A gleam of hope appeared in her eyes.
Apareció un destello de esperanza en sus ojos.
C1 noun /brəˈzɪər/

Brassiere

sujetador
Meaning
a woman's undergarment designed to support the breasts
Example
She bought a comfortable brassiere for daily wear.
Ella compró un sujetador cómodo para usar a diario.
C1 adjective ˈfjuː.taɪl

futile

fútil
Meaning
Incapable of producing any useful result; pointless.
Example
His attempts to change the situation were futile.
Sus intentos de cambiar la situación fueron inútiles.
C1 noun /ˌvaɪ.əˈbɪl.ə.ti/

viability

viabilidad
Meaning
Ability to work successfully; feasibility.
Example
The viability of the project depends on funding.
La viabilidad del proyecto depende de la financiación.
C1 noun /ˈstɪklər/

stickler

persona estricta con las normas
Meaning
a person who insists on a certain quality or standard of behavior
Example
He is a stickler for punctuality and never tolerates delays.
Él es muy estricto con la puntualidad y no tolera retrasos.
C1 noun /ˈtriːzən/

Treason

traición
Meaning
the crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government
Example
He was accused of treason against the state.
Él fue acusado de traición contra el estado.
C1 noun /ˈkɒz.moʊs/

Cosmos

flor cosmos
Meaning
a colorful annual flower with daisy-like blooms and feathery foliage
Example
The cosmos flowers swayed gently in the summer breeze across the meadow.
Las flores de cosmos se movían suavemente en la brisa de verano a través del prado.
C1 noun /kɑːɡ/

cog

diente de rueda o engranaje
Meaning
A tooth on the rim of a wheel or gear; metaphorically, a minor but necessary part of a larger system.
Example
He felt like just a small cog in a big machine.
Se sintió como un pequeño engranaje en una gran máquina.
C1 noun ˈmaɪ.krəʊˌnjuː.tri.ənt

micronutrient

micronutriente
Meaning
Essential nutrients required by the body in small amounts, including vitamins and minerals.
Example
Iron and zinc are essential micronutrients for growth.
El hierro y el zinc son micronutrientes esenciales para el crecimiento.
C1 noun /ˈlɔːriət/

laureate

galardonado
Meaning
A person honored with an award for outstanding achievement in a field, especially the arts or sciences.
Example
The Nobel laureate gave an inspiring lecture on peace.
El laureado Nobel dio una conferencia inspiradora sobre la paz.
C1 adjective /prəˈfjuːs/

profuse

profuso
Meaning
existing or given in large amounts; abundant
Example
He offered profuse thanks for their timely help.
Él ofreció abundantes gracias por su ayuda oportuna.
C1 verb /siːd/

cede

ceder
Meaning
to give up power, territory, or rights to another
Example
The country ceded territory after losing the war.
El país cedió territorio después de perder la guerra.
C1 noun /ˈvæɡ.ə.bɒnd/

Vagabond

vagabundo; nómada
Meaning
a person who has no home or job and travels from place to place
Example
The old vagabond wandered through the streets looking for food.
El viejo vagabundo caminaba por las calles buscando comida.
C1 noun /ˈfreɪlti/

frailty

fragilidad
Meaning
The condition of being weak, delicate, or easily broken.
Example
Old age often comes with physical frailty.
La vejez a menudo viene con fragilidad física.
C1 noun /ˈwɔː.tər ˈtʃes.nʌt/

Water Chestnut

castaña de agua
Meaning
aquatic plant with edible white crisp tubers
Example
Water chestnuts add a nice crunch to stir-fry dishes.
Las castañas de agua añaden un buen crujido a los platos salteados.
C1 adjective /ˈtɛmpərd/

tempered

templado
Meaning
having a specified temper or disposition; strengthened or moderated.
Example
She gave a tempered response to the criticism.
Ella dio una respuesta templada a las críticas.
C1 verb /fret/

fret

preocuparse
Meaning
to worry or be anxious; to be troubled
Example
Don't fret about the exam results.
No te preocupes por los resultados del examen.
C1 adjective /ˈswoʊlən/

swollen

hinchado
Meaning
Enlarged or puffed up, usually due to injury, inflammation, or fluid accumulation
Example
Her ankle was swollen after she twisted it during the hike.
Su tobillo estaba hinchado después de torcerlo durante la caminata.
C1 noun /ˈhɪr.seɪ/

Hearsay

rumor; chisme
Meaning
information received from other people that one cannot adequately substantiate; rumor
Example
The accusations were based on hearsay rather than concrete evidence or eyewitness testimony.
Las acusaciones se basaron en rumores en lugar de pruebas concretas o el testimonio de testigos.
C1 noun ˈaʊt.sɔːr.sɪŋ

outsourcing

externalización
Meaning
The practice of having certain job functions done outside a company instead of having an in-house department or employee handle them.
Example
Many companies use outsourcing to reduce labor costs.
Muchas empresas utilizan la externalización para reducir los costos laborales.
C1 noun /ˈstaɪpend/

Stipend

subsidio
Meaning
a fixed regular sum paid as a salary or allowance
Example
The research student receives a monthly stipend for living expenses.
El estudiante de investigación recibe un estipendio mensual para sus gastos de vida.
C1 noun /ˈpɛrəntɪdʒ/

parentage

linaje
Meaning
The identity and origins of one's parents; descent or lineage.
Example
Her noble parentage gave her access to the royal court.
Su noble linaje le dio acceso a la corte real.
C1 noun /stents/

stents

stents
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
Los stents fueron colocados con éxito utilizando técnicas robóticas.