scalpel
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C1 noun /ˈskælpəl/

scalpel

bisturí
Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
El cirujano usó cuidadosamente un bisturí para hacer la primera incisión.
C1 noun /pəˈrɛnθəsɪs/

parenthesis

paréntesis
Meaning
A pair of curved marks ( ) used to enclose words or numbers; also an interruption or digression in speech or writing.
Example
The explanation was given in a parenthesis within the text.
La explicación se dio en un paréntesis dentro del texto.
C1 noun /ˈfɔːr.tɪ.tjuːd/

fortitude

fortaleza
Meaning
Courage in pain or adversity; mental and emotional strength in facing difficulty.
Example
She faced adversity with great fortitude.
Ella enfrentó las adversidades con gran fortaleza.
C1 noun /ˈbɜːrθraɪt/

birthright

derecho de nacimiento
Meaning
A privilege or possession that a person has from birth.
Example
Freedom is considered a birthright of every individual.
La libertad se considera un derecho de nacimiento de cada individuo.
C1 noun /ɪnˈsek.tɪ.saɪd/

Insecticide

insecticida
Meaning
a substance used for killing insects; a chemical pesticide that targets insects
Example
The farmer sprayed insecticide on his crops to protect them from harmful bugs.
El agricultor roció insecticida en sus cultivos para protegerlos de los insectos dañinos.
C1 noun /wæɡ/

Wag

persona bromista; alguien que disfruta hacer chistes
Meaning
a humorous or playful person; someone who enjoys joking around
Example
The class wag always made everyone laugh with his clever jokes.
El bromista de la clase siempre hacía reír a todos con sus bromas ingeniosas.
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

irresistible
Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
Ella no pudo ocultar su irresistible deseo de reír durante el discurso.
C1 noun prəˈtɛk.ʃə.nɪ.zəm

protectionism

proteccionismo
Meaning
The theory or practice of shielding a country's domestic industries from foreign competition by taxing imports.
Example
The government's protectionism helped local businesses grow.
El proteccionismo del gobierno ayudó a las empresas locales a crecer.
C1 noun /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

cirugía robótica
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
La cirugía robótica mejora la precisión en procedimientos complejos.
C1 verb /mɑːr/

mar

estropear
Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
El rasguño estropeará la belleza del cuadro.
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 ˈwɛðərpruːf

weatherproof

resistente a la intemperie
Meaning
Able to resist or be unaffected by weather, especially rain and wind.
Example
The materials used are weatherproof, ensuring longevity.
Los materiales utilizados son resistentes a la intemperie, asegurando longevidad.
C1 noun /dɜːrθ/

dearth

escasez
Meaning
A scarcity or lack of something.
Example
There was a dearth of food during the famine.
Hubo una escasez de comida durante la hambruna.
C1 noun /əˈkuːstɪks/

acoustics

acústica
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
La excelente acústica del salón hizo que la orquesta sonara rica y clara.
C1 noun /kwoʊ/

quo

estado
Meaning
The existing state of affairs or situation, often used in the phrase 'status quo'.
Example
He wanted to maintain the status quo at work.
Quería mantener el estado actual en el trabajo.
C1 noun /ˈvɔːrtɛks/

vortex

vórtice
Meaning
A mass of whirling fluid or air, especially a whirlpool or whirlwind.
Example
The plane was caught in a dangerous vortex of air.
El avión fue atrapado en un peligroso vórtice de aire.
C1 noun /kənˈtɛndər/

contender

competidor, pretendiente
Meaning
a person or team competing for a title or prize
Example
She is a strong contender for the mayoral position.
Ella es una fuerte contendiente para el cargo de alcaldesa.
C1 noun ˈrəʊvə

rover

rover
Meaning
A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.
Example
The rover landed on Mars to begin its exploration.
El rover aterrizó en Marte para comenzar su exploración.
C1 adjective /ˌʌnəˈsjuːmɪŋ/

unassuming

modesto
Meaning
Not pretentious or arrogant; modest.
Example
Despite his success, he remained unassuming and humble.
A pesar de su éxito, siguió siendo modesto y humilde.
C1 adjective /ɪnˈsʌf.ər.ə.bəl/

insufferable

insoportable
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
El calor durante el verano fue insoportable.
C1 adjective /tɪˈrænɪkəl/

tyrannical

tiránico
Meaning
exercising power in a cruel or arbitrary way
Example
The tyrannical ruler silenced all opposition.
El gobernante tiránico silenció toda oposición.
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

importación
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
La importación de productos de lujo está estrictamente regulada.
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

monocultura
Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
La monocultura puede llevar a la desnutrición del suelo y aumentar la vulnerabilidad a las plagas.
C1 adjective /ɪˈneɪn/

inane

insensato, tonto
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
La película fue criticada por sus diálogos insensatos.
C1 noun /ˈpeɪ.ɡən/

Pagan

pagano
Meaning
a person holding religious beliefs other than the main world religions; a heathen
Example
Ancient Romans considered early Christians to be pagans.
Los antiguos romanos consideraban a los primeros cristianos como paganos.
C1 noun /ˈæntənɪm/

antonym

antónimo
Meaning
A word opposite in meaning to another.
Example
‘Hot’ is the antonym of ‘cold’.
‘Hot’ es el antónimo de ‘cold’.
C1 verb /ˈdʒɪtər/

jitter

temblar
Meaning
to shake or tremble slightly, often from fear, nervousness, or excitement
Example
He began to jitter nervously before giving his speech.
Comenzó a temblar nerviosamente antes de dar su discurso.
C1 noun /ˈæmfɪˌθiətər/

amphitheater

anfiteatro
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
El concierto se celebró en un antiguo anfiteatro.
C1 verb /ˈpʌlseɪt/

pulsate

palpitar
Meaning
to expand and contract rhythmically; to throb or beat
Example
The neon lights pulsated with a steady rhythm.
Las luces de neón pulsaban con un ritmo constante.
C1 verb /ɪnˈfjuːz/

infuse

infundir
Meaning
to fill or spread through something; to instill a quality, idea, or feeling
Example
The teacher tried to infuse her students with a love for reading.
La profesora trató de infundir a sus estudiantes con un amor por la lectura.
C1 adjective /ˌpæθəˈlɑːdʒɪkəl/

pathological

patológico, enfermizo
Meaning
Relating to disease; extreme or obsessive in a way that is abnormal.
Example
He has a pathological fear of failure.
Él tiene un miedo patológico al fracaso.
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 adjective /ˈhɑːrtˌrɛndɪŋ/

heartrending

desgarrador
Meaning
Causing great sadness or distress; very moving emotionally.
Example
The documentary showed heartrending scenes of war victims.
El documental mostró escenas desgarradoras de las víctimas de la guerra.
C1 adjective /ˈmuː.və.bl̩/

Movable

movible; portátil; transferible
Meaning
capable of being moved; not fixed in position
Example
The furniture is movable so we can rearrange the room easily.
Los muebles son movibles, por lo que podemos reorganizar la habitación fácilmente.
C1 verb /ˈstaɪmi/

stymie

obstruir
Meaning
to prevent or hinder the progress of something
Example
The new regulations could stymie small businesses.
Las nuevas regulaciones podrían obstaculizar a las pequeñas empresas.
C1 noun /ɔːˈtɒkrəsi/

autocracy

autocracia
Meaning
A system of government in which one person has absolute power.
Example
The country suffered under decades of autocracy.
El país sufrió durante décadas bajo una autocracia.
C1 noun /krʌˈsteɪʃən/

crustacean

animal acuático con caparazón duro
Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
Los cangrejos y langostas son conocidos crustáceos.
C1 noun /ˌmiːdɪˈeɪʃən/

mediation

mediación
Meaning
Intervention between parties to promote reconciliation, settlement, or compromise.
Example
The mediation helped resolve the conflict between the two teams.
La mediación ayudó a resolver el conflicto entre los dos equipos.
C1 verb /ˈænɪmeɪt/

animate

animar
Meaning
to bring to life or make lively; to create animation for films or cartoons
Example
The artist will animate the characters for the movie.
El artista animará los personajes para la película.
C1 verb /ˈɛm.ə.neɪt/

emanate

emanar
Meaning
To come out or spread from a source.
Example
A sweet fragrance emanated from the garden.
Una dulce fragancia emanó del jardín.
C1 adjective /ˈɡruːəlɪŋ/

grueling

agotador
Meaning
Extremely tiring and demanding.
Example
The athletes faced a grueling training session.
Los atletas enfrentaron una sesión de entrenamiento agotadora.
C1 adjective /ˌæntiˈneɪtl/

antenatal

prenatal
Meaning
Relating to the medical care and treatment given to a pregnant woman before the birth of her child.
Example
She attended regular antenatal checkups throughout her pregnancy.
Ella asistió a chequeos prenatales regulares durante su embarazo.
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 adjective səˈblaɪm

sublime

sublime, grandioso, majestuoso
Meaning
Of such excellence, grandeur, or beauty as to inspire great admiration or awe.
Example
The sublime beauty of the mountain landscape took my breath away.
La sublime belleza del paisaje montañoso me dejó sin aliento.
C1 noun ˈʌp.raɪ.zɪŋ

uprising

levantamiento
Meaning
An act of resistance or rebellion; a revolt against an authority or government.
Example
The uprising marked the beginning of the revolution.
El levantamiento marcó el comienzo de la revolución.
C1 noun /ˈrʌfiən/

Ruffian

bribón; persona violenta;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
El bribón amenazó al tendero por dinero.
C1 verb /ɛtʃ/

etch

grabar
Meaning
to cut or carve a design onto a surface
Example
The artist etched her initials into the glass.
La artista grabó sus iniciales en el vidrio.
C1 adjective /ˈɡʌl.ə.bəl/

gullible

fácilmente engañado
Meaning
Easily deceived or tricked.
Example
She was so gullible that she believed every rumor.
Ella era tan crédula que creía cada rumor.
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

físicamente apto
Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
La empresa está buscando trabajadores físicamente aptos para el sitio de construcción.
C1 adjective /ˌtræn.senˈdɛn.təl/

transcendental

trascendental
Meaning
relating to the spiritual or non-physical realm; surpassing ordinary experience
Example
Meditation can lead to transcendental experiences.
La meditación puede llevar a experiencias trascendentales.
C1 noun /haʊnd/

Hound

perro de caza
Meaning
a dog bred for hunting, typically having a keen sense of smell
Example
The bloodhound tracked the scent through the dense forest.
El bloodhound siguió el rastro a través del denso bosque.
C1 noun /əˈstuːt.nəs/

astuteness

astucia
Meaning
The ability to accurately assess situations or people and turn this to one's advantage.
Example
His astuteness helped in negotiations.
Su astucia ayudó en las negociaciones.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

solubilidad
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
La solubilidad de la sal en agua es alta.
C1 verb /ˈʃrɪvəl/

shrivel

arrugar
Meaning
To become dry, wrinkled, and smaller due to lack of moisture.
Example
The flowers shriveled under the hot sun.
Las flores se arrugaron bajo el sol caliente.
C1 noun /pəˈraɪə/

pariah

paria
Meaning
An outcast; someone who is rejected by society or a social group.
Example
After the scandal, he became a social pariah.
Después del escándalo, se convirtió en un paria social.
C1 verb /ɪkˈskriːt/

excrete

excretar
Meaning
to eliminate waste matter from the body
Example
Humans excrete carbon dioxide through breathing.
Los humanos excretan dióxido de carbono a través de la respiración.
C1 adjective /ʌnˈkwes.tʃən.ə.bl̩/

Unquestionable

indiscutible; seguro
Meaning
not able to be disputed or doubted; certain and beyond doubt
Example
Her honesty and integrity are unquestionable qualities.
Su honestidad e integridad son cualidades indiscutibles.
C1 noun /ˈpær.ə.saɪt/

Parasite

parásito
Meaning
an organism that lives on or in another organism and benefits at its expense; a person who depends on others
Example
The dog was treated for intestinal parasites.
El perro fue tratado para parásitos intestinales.
C1 exclamation /juˈriːkə/

eureka

¡Eureka!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
Cuando finalmente encontró la solución, gritó, '¡Eureka!'
C1 noun /kæsˈkeɪd/

Cascade

cascada; una sucesión de etapas o operaciones
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
La cascada de la montaña creó una hermosa piscina natural de natación abajo.
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 verb /tʃæsˈtaɪz/

chastise

criticar severamente / castigar severamente
Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
El maestro reprendió al estudiante por llegar tarde.
C1 adjective /tɛk ˈdrɪv.ən/

tech-driven

impulsado por la tecnología
Meaning
Powered or guided by technology; dependent on technological advancement for operation.
Example
The agricultural sector is becoming more tech-driven for higher efficiency.
El sector agrícola está volviéndose más impulsado por la tecnología para una mayor eficiencia.
C1 noun /kliːˈʃeɪ/

cliche

cliché
Meaning
An overused expression or idea that has lost its originality or impact.
Example
The speech was filled with old clichés that failed to inspire the audience.
El discurso estaba lleno de viejos clichés que no lograron inspirar a la audiencia.
C1 noun /aɪl/

isle

pequeña isla
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
Pasaron su luna de miel en una hermosa isla tropical.
C1 adjective /ˈfaɪə.ri/

Fiery

ardiente; apasionado; temperamental
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
Ella tiene un temperamento ardiente que se enciende rápidamente.
C1 noun /ˌfɪɡjʊˈriːn/

figurine

pequeña figura decorativa
Meaning
a small ornamental statue or model of a human or animal
Example
She bought a porcelain figurine of a dancing ballerina.
Ella compró una figura de porcelana de una bailarina de ballet.
C1 noun /stæɡˈneɪ.ʃən/

stagnation

estancamiento
Meaning
A state of inactivity or lack of growth, especially in an economy.
Example
High unemployment led to economic stagnation.
El alto desempleo condujo al estancamiento económico.
C1 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

inarticulado
Meaning
Unable to express oneself clearly or effectively in speech or writing.
Example
She became inarticulate with emotion during the speech.
Ella se volvió inarticulada con emoción durante el discurso.
C1 noun /ɡeɪt/

gait

modo de caminar
Meaning
A person's manner of walking.
Example
His slow gait showed that he was tired.
Su marcha lenta mostró que estaba cansado.
C1 noun /ˈɪnflʌks/

influx

afluencia
Meaning
A large arrival or flow of people or things.
Example
The city experienced an influx of tourists during the festival.
La ciudad experimentó una afluencia de turistas durante el festival.
C1 noun /ˈruːdɪmənt/

rudiment

rudimentos
Meaning
A basic principle, element, or fundamental part of something.
Example
He learned the rudiments of music before joining the band.
Él aprendió los rudimentos de la música antes de unirse a la banda.
C1 noun /ˈtæl.i/

Tally

conteo; registro; puntuación
Meaning
a count or record of a number or amount; a score or total
Example
Keep a tally of how many books you read this month.
Lleva un conteo de cuántos libros lees este mes.
C1 adjective /dɪˈbeɪst/

debased

degradado
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
La moneda degradada perdió la confianza de la gente.
C1 noun /tɪf/

tiff

disputa
Meaning
a small or petty quarrel or argument
Example
They had a little tiff over what movie to watch.
Tuvieron una pequeña disputa sobre qué película ver.
C1 noun /ˈrɛtʃɪdnəs/

wretchedness

miseria
Meaning
a state of misery, unhappiness, or poor condition
Example
The novel depicts the wretchedness of war victims.
La novela muestra la miseria de las víctimas de la guerra.
C1 adjective /ɪˈluː.sɪv/

Illusive

ilusorio; que parece existir pero no es real; engañoso
Meaning
deceptive; appearing to exist but not real; misleading
Example
The promise of easy money proved to be illusive and misleading.
La promesa de dinero fácil resultó ser ilusoria y engañosa.
C1 adjective /ˌʌnəˈkaʊntəbl/

unaccountable

inexplicable
Meaning
Not able to be explained or justified.
Example
She felt an unaccountable fear as she entered the dark room.
Ella sintió un miedo inexplicable al entrar en la habitación oscura.
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

inactividad
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
La inactividad prolongada puede afectar negativamente la salud física y mental.
C1 noun /ˈtrɪkstər/

trickster

embaucador
Meaning
A person who cheats or deceives people.
Example
The old man turned out to be a clever trickster who fooled everyone.
El anciano resultó ser un astuto embaucador que engañó a todos.
C1 noun ˈlaɪv.li.hʊd

livelihood

sustento
Meaning
A means of securing the necessities of life; a way of making a living.
Example
Fishing is the primary livelihood of coastal communities.
La pesca es el sustento principal de las comunidades costeras.
C1 noun /ˈɑːdəsi/

odyssey

viaje largo
Meaning
a long, adventurous journey; a series of experiences
Example
Her career has been an odyssey of challenges and achievements.
Su carrera ha sido una odisea de desafíos y logros.
C1 adjective /smʌɡ/

smug

presumido
Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
Llevaba una sonrisa presuntuosa después de ganar el debate.
C1 verb /ˌoʊvərˈrʌn/

overrun

invadir
Meaning
to spread over or occupy completely; to exceed a limit or time
Example
The garden was overrun with weeds.
El jardín estaba invadido de maleza.
C1 noun /ˈænti ˈeəkræft ɡʌn/

Anti-aircraft-gun

cañón antiaéreo
Meaning
a weapon designed to attack aircraft from the ground
Example
The anti-aircraft gun was positioned to defend the military base.
El cañón antiaéreo estaba posicionado para defender la base militar.
C1 adjective /ˌhæpˈhæz.ɚd/

haphazard

aleatorio
Meaning
Lacking any obvious principle of organization; random.
Example
His haphazard approach led to project failure.
Su enfoque aleatorio condujo al fracaso del proyecto.
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

autobuses impulsados por hidrógeno
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
Los autobuses impulsados por hidrógeno reducen la contaminación del aire.
C1 adjective /ˈsɔːrdɪd/

sordid

sórdido
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
El periódico expuso el pasado sórdido del político.
C1 noun /ɪkˈstræv.ə.ɡəns/

Extravagance

gasto excesivo; derroche
Meaning
lack of restraint in spending money; excessive expense
Example
The wedding celebration was criticized for its unnecessary extravagance.
La celebración de la boda fue criticada por su extravagancia innecesaria.
C1 noun /ˌrev.əˈluː.ʃən.ər.i ˈbreɪk.θruː/

revolutionary breakthrough

descubrimiento revolucionario
Meaning
A sudden, dramatic, and important discovery or development that changes everything.
Example
Robotic surgery is a revolutionary breakthrough in healthcare.
La cirugía robótica es un descubrimiento revolucionario en la atención sanitaria.
C1 adjective /ˈrɛvərənt/

reverent

reverente
Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
Escucharon el discurso en un silencio reverente.
C1 noun /heɪz/

Haze

neblina
Meaning
a slight obscuration of the lower atmosphere, typically caused by fine suspended particles; confusion
Example
The morning haze lifted gradually as the sun rose higher in the sky.
La neblina matutina se levantó gradualmente a medida que el sol se elevaba más alto en el cielo.
C1 verb /ˈɒs.ɪ.leɪt/

oscillate

moverse o balancearse de un lado a otro entre dos puntos o estados
Meaning
To swing or move back and forth between two points or states
Example
The stock market tends to oscillate during uncertain times.
El mercado de valores tiende a oscilar durante tiempos inciertos.
C1 verb /kənˈfaʊnd/

confound

desconcertar
Meaning
to confuse or surprise someone, often by acting against their expectations
Example
The magician's trick seemed to confound the entire audience.
El truco del mago parecía desconcertar a toda la audiencia.
C1 noun /haɪˈpɜːrbəli/

hyperbole

hipérbole
Meaning
Exaggerated statements or claims not meant to be taken literally.
Example
Saying he could run a thousand miles in a day is pure hyperbole.
Decir que podría correr mil millas en un día es pura hipérbole.
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

escepticismo, duda
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
Su escepticismo sobre la nueva tecnología a menudo lo hace resistente al cambio.
C1 noun /pluːm/

plume

una gran pluma suave o algo que se asemeje a una pluma
Meaning
a large, soft feather or something resembling a feather
Example
The soldier wore a red plume on his helmet.
El soldado llevaba una pluma roja en su casco.
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 /dɪsˈɪntrəstɪd/

disinterested

desinteresado
Meaning
not influenced by personal interest; impartial or neutral
Example
The judge remained disinterested in the case.
El juez se mantuvo desinteresado en el caso.
C1 adjective /ˈmærɪtəl/

marital

conyugal
Meaning
Relating to marriage or the relationship between husband and wife.
Example
They sought counseling to resolve their marital issues.
Buscaron asesoramiento para resolver sus problemas conyugales.
C1 noun /ˈlaɪm.laɪt/

Limelight

el centro de atención pública; una luz brillante producida al calentar un cilindro de cal
Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
La celebridad disfrutó estar en el centro de atención.
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

nanotecnología
Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
La nanotecnología está avanzando en los tratamientos médicos.
C1 noun /ˈtrɛtʃəri/

treachery

traición
Meaning
Betrayal of trust; deceptive action or nature.
Example
His treachery was revealed when he sided with the enemy.
Su traición se reveló cuando se unió al enemigo.
C1 noun /fəˈnætɪsɪzəm/

fanaticism

fanatismo
Meaning
the quality of being fanatical; extreme zeal or obsession
Example
Religious fanaticism can lead to intolerance and conflict.
El fanatismo religioso puede llevar a la intolerancia y al conflicto.
C1 verb /ˈmʌtər/

mutter

murmurar
Meaning
to speak in a low or barely audible voice, often in dissatisfaction or irritation
Example
He muttered something under his breath as he walked away.
Él murmuró algo bajo su aliento mientras se alejaba.
C1 adjective /ˈkɔːrəl/

choral

relacionado con el coro
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
La iglesia organizó una actuación coral el domingo.
C1 noun /fɪˈlæn.θrə.pi/

philanthropy

filantropía
Meaning
the desire to promote the welfare of others, often expressed by the generous donation of money to good causes
Example
Philanthropy has helped improve healthcare in many developing countries.
La filantropía ha ayudado a mejorar la atención médica en muchos países en desarrollo.
C1 noun /ˈkaʊntərˌpɔɪnt/

counterpoint

contrapunto
Meaning
an argument, idea, or theme contrasting with another; also a musical term for independent melody
Example
Her calm attitude was a counterpoint to his anger.
Su actitud tranquila fue un contrapunto a su ira.
C1 noun /pækt/

Pact

pacto; acuerdo
Meaning
a formal agreement between individuals or parties; a treaty or contract
Example
The two countries signed a peace pact to end the war.
Los dos países firmaron un pacto de paz para terminar la guerra.
C1 noun /məˈleɪz/

malaise

malestar
Meaning
a general feeling of discomfort, illness, or unease whose exact cause is difficult to identify
Example
After the long journey, she felt a general malaise.
Después del largo viaje, ella sintió un malestar general.
C1 adjective /ˈpɔːltri/

paltry

insignificante, trivial
Meaning
small or meager; lacking in value or importance
Example
They offered him a paltry sum for his work.
Le ofrecieron una suma insignificante por su trabajo.
C1 verb /ˌoʊvərˈθroʊ/

overthrow

felicidad
Meaning
To remove a leader or government from power, often by force.
Example
The rebels planned to overthrow the corrupt regime.
No pudo esconder su felicidad cuando recibió el premio.
C1 noun /ˈpriːsɪŋkt/

precinct

distrito
Meaning
A district or area within the boundaries of a city, often for police or electoral purposes.
Example
She went to vote at her local precinct.
Ella fue a votar en su distrito local.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

por cierto
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
Por cierto, ¿sabías que estudió en París?
C1 verb ɪɡˈzɛm.plɪ.faɪ

exemplify

ejemplificar
Meaning
To be a typical example of or to illustrate something clearly, to show as an example or demonstrate.
Example
His dedication exemplifies true leadership.
Su dedicación ejemplifica el verdadero liderazgo.
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

soportable
Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
El dolor era soportable con la medicación adecuada.
C1 noun /ˌrek.ənˌsɪl.iˈeɪ.ʃən/

reconciliation

reconciliación
Meaning
The restoration of friendly relations; the action of making one view or belief compatible with another.
Example
The peace treaty was a major step toward reconciliation.
El tratado de paz fue un paso importante hacia la reconciliación.
C1 adjective /ˈtɔːrtʃuəs/

tortuous

tortuoso, complicado
Meaning
Full of twists and turns; excessively complex or complicated.
Example
The tortuous mountain road made driving very difficult.
La tortuosa carretera de montaña hizo que conducir fuera muy difícil.
C1 noun prəˈkjʊrmənt

procurement

adquisición
Meaning
The action of obtaining or procuring something, especially for official purposes.
Example
The procurement of modern equipment has improved research accuracy.
La adquisición de equipo moderno ha mejorado la precisión de la investigación.
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 adverb /ˈduːli/

Duly

puntualmente, debidamente
Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
Los documentos fueron debidamente firmados y enviados.