Yarn
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C1 noun /jɑːrn/

Yarn

hilo
Meaning
spun thread used for knitting, weaving, or sewing; a long or rambling story
Example
She bought colorful yarn for knitting a sweater.
Ella compró hilo de colores para tejer un suéter.
C1 noun /ˌɪmɔːrˈtæləti/

immortality

inmortalidad
Meaning
the state of living forever; eternal life or lasting fame beyond death
Example
Many ancient cultures believed that heroes could achieve immortality through great deeds.
Muchas culturas antiguas creían que los héroes podían alcanzar la inmortalidad mediante grandes hazañas.
C1 adjective /ˈɒptɪk/

optic

óptico
Meaning
Relating to the eye or vision.
Example
The optic nerve carries signals from the eye to the brain.
El nervio óptico lleva señales desde el ojo al cerebro.
C1 adjective /ˈpəʊtəbl/

potable

potable
Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
Los aldeanos no tenían acceso a agua potable.
C1 verb /ɪˈkweɪt/

equate

equiparar
Meaning
To consider as equal or equivalent.
Example
Many people equate wealth with success.
Muchas personas equiparan la riqueza con el éxito.
C1 adjective /ˈsek.j ə.l ər/

Secular

laico
Meaning
not connected with religious or spiritual matters; worldly
Example
The country maintains a secular government that separates religion from politics.
El país mantiene un gobierno secular que separa la religión de la política.
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

sesión de asamblea
Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
La sesión de asamblea discutió los desafíos globales.
C1 adjective /sliːk/

sleek

elegante y brillante
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
Ella condujo un coche deportivo brillante y elegante.
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 /ˌsaɪkəˈpæθɪk/

psychopathic

psicópata
Meaning
Relating to or affected by psychopathy; showing chronic mental disorder with abnormal or violent behavior.
Example
The film portrayed a psychopathic killer with no sense of empathy.
La película retrataba a un asesino psicópata sin ningún sentido de empatía.
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

con mucho cuidado
Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
El artista completó el proyecto con mucho cuidado.
C1 noun /hɪˈpɑː.krə.si/

Hypocrisy

hipocresía; falsedad; engaño;
Meaning
the practice of claiming to have moral standards that one does not actually possess; insincerity
Example
His hypocrisy was exposed when he criticized others for the same mistakes he had made.
su hipocresía fue expuesta cuando criticó a otros por los mismos errores que él había cometido.
C1 noun /ˈkælkjʊləs/

calculus

cálculo
Meaning
A branch of mathematics concerned with rates of change and accumulation; also a hard mineral deposit in the body such as on teeth.
Example
Calculus is essential for advanced studies in physics and engineering.
El cálculo es esencial para los estudios avanzados en física e ingeniería.
C1 noun, verb /wɪf/

whiff

leve olor
Meaning
A brief, faint smell or puff of air; to get a quick smell of something.
Example
I caught a whiff of perfume as she passed by.
Sentí un leve olor a perfume mientras ella pasaba.
C1 noun /ˈmɪʃ.ən.ɛr.i/

Missionary

misionero
Meaning
A person sent on a religious mission to promote their faith in a foreign country
Example
The missionary spent years teaching and helping people in remote villages.
El misionero pasó años enseñando y ayudando a la gente en aldeas remotas.
C1 noun /ˈplæz.mə/

Plasma

parte líquida de la sangre; gas ionizado; suero sanguíneo sin proteínas de coagulación
Meaning
the liquid part of blood; ionized gas; blood serum without clotting proteins
Example
Blood plasma contains various proteins and nutrients.
El plasma sanguíneo contiene varias proteínas y nutrientes.
C1 noun /ˈdɛməɡɒɡ/

demagogue

líder demagógico
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
La multitud fue influenciada por los discursos apasionados del líder demagógico.
C1 noun /ˈdɛspɒt/

despot

déspota
Meaning
a ruler with absolute power, often ruling in a cruel or oppressive way
Example
The despot ruled the nation with fear and violence.
El déspota gobernó la nación con miedo y violencia.
C1 noun /ˌmɪsˈkɒn.dʌkt/

Misconduct

conducta inapropiada
Meaning
Unacceptable or improper behavior, especially by a professional person
Example
The officer was dismissed for professional misconduct.
El oficial fue despedido por conducta inapropiada profesional.
C1 noun /stɛlθ/

stealth

sigilo, moverse en secreto
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
El gato se movió sigilosamente hacia su presa.
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 noun /ɪmˈbæl.əns/

Imbalance

desequilibrio
Meaning
lack of proportion or relation between corresponding things; unequal distribution
Example
The doctor said the patient's dizziness was caused by an inner ear imbalance.
El doctor dijo que el mareo del paciente fue causado por un desequilibrio en el oído interno.
C1 adjective /ˈdaʊ.ər/

dour

severo
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
Su expresión severa hizo que la reunión fuera incómoda.
C1 adjective /ˈmæn.li/

Manly

viril; valiente; audaz
Meaning
having qualities traditionally associated with men; brave; courageous
Example
He showed manly courage during the crisis.
Mostró coraje viril durante la crisis.
C1 adjective /ˈspaɪn.ləs/

Spineless

sin coraje; débil de voluntad; cobarde
Meaning
lacking courage or determination; weak-willed
Example
He was too spineless to stand up for his beliefs.
Él fue demasiado sin columna vertebral para defender sus creencias.
C1 noun /ˈhɑː.mɪ.saɪd/

Homicide

homicidio
Meaning
the deliberate and unlawful killing of one person by another; murder
Example
The detective was assigned to investigate the homicide that occurred downtown last night.
El detective fue asignado para investigar el homicidio ocurrido en el centro de la ciudad anoche.
C1 verb /ˈmʌd.əl/

muddle

desordenar
Meaning
to mix things up in a confused way or to make a mess of something
Example
He muddled the papers and couldn’t find the report.
Él desordenó los papeles y no pudo encontrar el informe.
C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

recíproco; mutuo; compartido por ambas partes;
Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
Los dos países tienen un acuerdo comercial recíproco.
C1 noun /ˈskaʊndrəl/

scoundrel

canalla
Meaning
a dishonest or unscrupulous person; a villain
Example
That scoundrel cheated the old man out of his savings.
Ese canalla engañó al anciano y le robó sus ahorros.
C1 noun ˌæf.ɔːr.ɪˈsteɪ.ʃən

afforestation

reforestación
Meaning
The action of planting trees on an area of land in order to form a forest.
Example
Afforestation helps restore biodiversity.
La reforestación ayuda a restaurar la biodiversidad.
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 /fɪˈlæn.θrə.pɪst/

philanthropist

filántropo
Meaning
a person who seeks to promote the welfare of others, especially by donating money to good causes
Example
The philanthropist donated millions to build schools in rural areas.
El filántropo donó millones para construir escuelas en áreas rurales.
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 /ˌsɪmbɪˈəʊsɪs/

symbiosis

relación simbiótica
Meaning
A mutually beneficial relationship between different people or groups.
Example
The symbiosis between the two companies led to mutual growth.
La simbiosis entre las dos empresas llevó a un crecimiento mutuo.
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 noun /ˈpleɪˌraɪt/

playwright

dramaturgo
Meaning
a person who writes plays
Example
Shakespeare is considered the greatest playwright of all time.
Shakespeare es considerado el mejor dramaturgo de todos los tiempos.
C1 noun ˈdɛf.ər.əns

deference

deferencia
Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
Él mostró deferencia hacia su mentor mayor.
C1 adverb /ˈɪnwərdli/

inwardly

por dentro
Meaning
In the mind or spirit; not outwardly visible.
Example
She smiled outwardly but inwardly she was worried.
Ella sonrió por fuera, pero por dentro estaba preocupada.
C1 adjective /frəˈtɜːrnəl/

fraternal

fraternal
Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
Las dos naciones mantienen una relación fraternal.
C1 noun /ɛkˈspeɪtriət/

expatriate

expatriado
Meaning
a person who lives outside their native country
Example
Many expatriates gather in the city’s international community.
Muchos expatriados se reúnen en la comunidad internacional de la ciudad.
C1 verb /blɜːrt/

blurt

decir algo sin pensar
Meaning
to say something suddenly without thinking
Example
He blurts out the secret accidentally.
Él dice el secreto accidentalmente.
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

la adición de nueva tecnología a sistemas antiguos
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
El edificio fue sometido a retrofitting para cumplir con los nuevos estándares de seguridad.
C1 noun /dɪˈfɪʃ.ən.si/

Deficiency

deficiencia; falta; insuficiencia
Meaning
a lack or shortage of something; inadequacy or insufficiency
Example
The doctor diagnosed a vitamin D deficiency in the patient's blood test.
El doctor diagnosticó una deficiencia de vitamina D en la prueba de sangre del paciente.
C1 adjective /ˈlɑːpˌsaɪdɪd/

lopsided

desigual, torcido
Meaning
with one side lower, larger, or different from the other; uneven or imbalanced
Example
The cake looked lopsided after being decorated in a hurry.
El pastel se veía desigual después de ser decorado rápidamente.
C1 verb /ɪˈlɛktrɪfaɪ/

electrify

electrificar; emocionar
Meaning
to charge with electricity; to excite or thrill intensely
Example
The speaker's speech electrified the audience.
El discurso del orador emocionó intensamente a la audiencia.
C1 noun /ˈmʌs.tərd siːdz/

Mustard seeds

semillas de mostaza
Meaning
small round seeds from the mustard plant, used as a spice and for making mustard condiment
Example
Mustard seeds are often tempered in hot oil to release their nutty flavor before adding to dishes.
Las semillas de mostaza a menudo se temperan en aceite caliente para liberar su sabor a nuez antes de agregarlas a los platos.
C1 verb /ˈreɪdieɪt/

radiate

irradiar
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
La chimenea irradia calor por toda la habitación.
C1 noun /ˈkʌˈs.tə.di/

Custody

custodia; detención; tutela
Meaning
the protective care or guardianship of someone or something; imprisonment or detention
Example
After the divorce, they shared custody of their children equally.
Después del divorcio, compartieron la custodia de sus hijos por igual.
C1 noun /ˈliːdʒən/

legion

un gran grupo de personas, especialmente soldados; un gran número
Meaning
a large group of people, especially soldiers; a great number
Example
The Roman army was divided into legions.
El ejército romano se dividió en legiones.
C1 adjective ˌkwɪn.tɪˈsen.ʃəl

quintessential

ejemplo perfecto o típico de una cualidad o clase
Meaning
representing the most perfect or typical example of a quality or class.
Example
The artist's work is the quintessential example of modernism.
El trabajo del artista es el ejemplo quintessential del modernismo.
C1 adjective /ˈhɑːrdi/

hardy

resistente, robusto
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
Las plantas resistentes pueden sobrevivir al invierno severo.
C1 noun /ˈpɪn.sərz/

Pincers

tenaza
Meaning
a tool made of two curved or hinged pieces of metal used for gripping and pulling things
Example
The chef used pincers to remove the hot pot from the stove.
El chef usó una tenaza para sacar la olla caliente de la estufa.
C1 adjective /æmˈfɪb.i.əs/

Amphibious

anfibio
Meaning
able to live both on land and in water; suitable for both land and water operations
Example
The amphibious vehicle can travel on both land and water.
El vehículo anfibio puede viajar tanto en tierra como en agua.
C1 adjective /ɪnˈɡroʊst/

engrossed

absorto
Meaning
completely absorbed or deeply involved in something
Example
She was so engrossed in the book that she forgot the time.
Ella estaba tan absorta en el libro que olvidó la hora.
C1 noun /ˈoʊvərˌtoʊn/

overtone

implicación sutil
Meaning
A subtle quality, implication, or additional meaning beyond the obvious.
Example
His speech had political overtones that were hard to ignore.
Su discurso tenía connotaciones políticas que eran difíciles de ignorar.
C1 adjective /ˌɪnækˈsɛsəbl/

inaccessible

inaccesible
Meaning
unable to be reached, entered, or understood
Example
The remote village is almost inaccessible during the rainy season.
El pueblo remoto es casi inaccesible durante la temporada de lluvias.
C1 noun ˌtrɪbjʊˈleɪʃən

tribulation

tribulación
Meaning
A difficult time or suffering experience
Example
He endured many tribulations in his early years.
Él soportó muchas tribulaciones en sus primeros años.
C1 noun /ˈlɔː.ləs.nəs/

Lawlessness

anarquía
Meaning
absence of law and order; a state where laws do not exist or are not enforced
Example
The city descended into lawlessness after the government collapsed.
La ciudad descendió a la anarquía después del colapso del gobierno.
C1 noun /ˌæŋɡloʊ ˈsæksən/

anglo-saxon

anglosajón
Meaning
A member of the Germanic peoples who settled in England in the early Middle Ages; also relating to their language or culture.
Example
The Anglo-Saxon period greatly influenced English culture and language.
El periodo anglosajón influyó enormemente en la cultura y la lengua inglesa.
C1 verb /ˈʃʌdər/

shudder

temblar
Meaning
to tremble or shake suddenly, often due to fear, cold, or strong emotion
Example
She shuddered at the thought of walking alone in the dark forest.
Ella se estremeció al pensar en caminar sola en el oscuro bosque.
C1 noun /dʒɪst/

Gist

idea principal
Meaning
the substance or essence of a speech or text; the main point
Example
I missed the beginning of the lecture, but I caught the gist of the professor's argument.
Perdí el inicio de la conferencia, pero entendí la idea principal del argumento del profesor.
C1 adjective /ˈprɛdəˌtɔri/

predatory

depredador/explotador
Meaning
Relating to animals that prey on others; exploiting or victimizing others for personal gain.
Example
The predatory bird swooped down on its prey.
El pájaro depredador se lanzó sobre su presa.
C1 noun /ˈpæl.ət/

Palate

paladar; capacidad para distinguir sabores
Meaning
the roof of the mouth; a person's ability to distinguish between different flavors
Example
The chef created dishes to please every palate.
El chef creó platos para complacer todos los paladares.
C1 verb /ˌpoʊstˈdeɪt/

postdate

poner una fecha posterior
Meaning
To assign a date later than the actual date to a document or event.
Example
She postdated the check to next month.
Ella postdató el cheque para el próximo mes.
C1 adjective /ˈweɪwərd/

wayward

rebelde
Meaning
Difficult to control or predict because of unusual or perverse behavior.
Example
The teacher struggled to manage the wayward students.
El maestro luchaba por manejar a los estudiantes rebeldes.
C1 noun/verb /dɛnt/

dent

abolladura
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
El accidente dejó una abolladura en la puerta del coche.
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 /ˌɪnstənˈteɪniəs/

instantaneous

instantáneo
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
El cambio de temperatura fue casi instantáneo.
C1 verb /ˈwaɪtˌwɑːʃ/

whitewash

blanquear
Meaning
to cover up faults, errors, or unpleasant facts; to paint with white paint or lime
Example
The report was criticized for trying to whitewash the company's failures.
El informe fue criticado por tratar de blanquear los fracasos de la empresa.
C1 verb /ˈrɪvɪt/

rivet

asegurar con remache / captar la atención
Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
El artesano riveteó las placas de metal juntas.
C1 noun əˈniː.mi.ə

anemia

anemia
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
La terapia genética trata la anemia de manera efectiva.
C1 verb /dɪˈvɒlv/

devolve

devolver
Meaning
To pass power, responsibility, or duties to another person or group.
Example
The responsibility will devolve on the new manager.
La responsabilidad se transferirá al nuevo gerente.
C1 verb /ˈkætəˌlaɪz/

catalyze

catalizar
Meaning
To cause or accelerate a reaction or change.
Example
The new law catalyzed reforms across the sector.
La nueva ley catalizó reformas en todo el sector.
C1 adjective /drəˈkoʊniən/

draconian

draconiano
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
Las nuevas regulaciones fueron criticadas como draconianas.
C1 noun /ˈpɜːrpɪtreɪtər/

perpetrator

delincuente
Meaning
a person who commits a harmful, illegal, or immoral act
Example
The police arrested the perpetrator of the crime.
La policía arrestó al delincuente del crimen.
C1 adjective/verb /ˈwɒrəntɪd/

warranted

justificado
Meaning
Justified or authorized under the circumstances.
Example
Her anger was warranted after the unfair treatment.
Su enojo fue justificado después del trato injusto.
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 /ˈkwɒn.dər.i/

Quandary

dilema; incertidumbre
Meaning
a difficult situation where you cannot decide what to do; dilemma
Example
She was in a quandary about which job offer to accept.
Ella estaba en un dilema sobre qué oferta de trabajo aceptar.
C1 noun /ˈɛstjʊəri/

estuary

estuario
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
La ciudad está ubicada cerca del estuario del río.
C1 adjective /ɪnˈdɪɡnənt/

indignant

indignado
Meaning
Feeling or showing anger at something considered unfair or unjust.
Example
She was indignant when accused of cheating.
Ella estaba indignada cuando la acusaron de hacer trampa.
C1 noun /liːtʃ/

Leech

sanguijuela
Meaning
an aquatic or terrestrial annelid worm with suckers at both ends; metaphorically, a person who extorts profit from others
Example
The leech attached itself to his leg while swimming.
La sanguijuela se pegó a su pierna mientras nadaba.
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 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

era isabelina
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare escribió muchas de sus obras durante la era isabelina.
C1 verb /pəˈveɪd/

pervade

permeabilizar
Meaning
to spread through and be present in every part of something
Example
The smell of fresh flowers pervaded the entire room.
El aroma de las flores frescas permeó toda la habitación.
C1 adjective /ˈprɒdɪɡəl/

prodigal

derrochador
Meaning
spending money or resources freely and recklessly; wastefully extravagant
Example
The prodigal son returned home after wasting his inheritance.
El hijo pródigo regresó a casa después de malgastar su herencia.
C1 noun ɪnˈflɛk.ʃən

inflection

inflexión
Meaning
The change in pitch or tone of voice when speaking for emphasis.
Example
His inflection kept the audience engaged.
Su inflexión mantuvo al público comprometido.
C1 noun /læps/

Lapse

fallo temporal; lapsus;
Meaning
a temporary failure of concentration, memory, or judgment; the termination of a right or privilege
Example
There was a brief lapse in security that allowed the intruder to enter the building.
Hubo un breve lapsus de seguridad que permitió al intruso entrar al edificio.
C1 adjective + noun njuˈtrɪʃəs krɒps

nutritious crops

cultivos nutritivos
Meaning
Plants or vegetables that are rich in nutrients and beneficial for health
Example
Winter vegetables are considered nutritious crops.
Las verduras de invierno se consideran cultivos nutritivos.
C1 noun /ˈsɒlstɪs/

solstice

solsticio
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
La gente celebra el solsticio de verano con festivales y rituales.
C1 verb /ˌaʊtˈweɪ/

outweigh

ser más importante
Meaning
To be more important, valuable, or significant than something else.
Example
The benefits of the new policy outweigh the risks.
Los beneficios de la nueva política superan los riesgos.
C1 noun /ˌædməˈnɪʃən/

admonition

amonestación
Meaning
a firm warning or reprimand; gentle or earnest advice
Example
He received an admonition for his careless work.
Él recibió una amonestación por su trabajo descuidado.
C1 adjective /spɑːrs/

sparse

escaso
Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
La vegetación era escasa en el desierto.
C1 noun /ˈmenəs/

Menace

amenaza
Meaning
A person or thing that is likely to cause harm; a threat
Example
The reckless driver was a menace to everyone on the road.
El conductor imprudente era una amenaza para todos en la carretera.
C1 verb /bɪˈhɛd/

behead

decapitar
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
El relato histórico describe cómo el traidor fue decapitado como castigo.
C1 noun /fæd/

fad

moda pasajera, tendencia
Meaning
a temporary fashion or trend; a short-lived craze
Example
The new diet became a popular fad among teenagers.
La nueva dieta se convirtió en una moda pasajera entre los adolescentes.
C1 noun /lɪŋˈɡwɪstɪks/

linguistics

lingüística
Meaning
The scientific study of language and its structure.
Example
She decided to major in linguistics at university.
Decidió especializarse en lingüística en la universidad.
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 verb /pərˈtɜːrb/

perturb

perturbar
Meaning
To disturb or unsettle greatly in mind.
Example
The sudden noise perturbed the students during the exam.
El ruido repentino perturbó a los estudiantes durante el examen.
C1 verb /ˈhæɡəl/

haggle

regatear
Meaning
to argue about the price; to bargain persistently
Example
They haggled over the price for an hour.
Estuvieron regateando el precio durante una hora.
C1 adjective /prəˈmɪskjuəs/

promiscuous

promiscuo
Meaning
Having or showing a casual and unselective approach, often used to describe indiscriminate sexual relationships.
Example
The novel depicts a character with a promiscuous lifestyle.
La novela describe a un personaje con un estilo de vida promiscuo.
C1 adjective /ˈten.tə.tɪv/

Tentative

tentativo; provisional
Meaning
not certain or fixed; provisional; hesitant or unsure
Example
We made tentative plans to meet next week.
Hicimos planes tentativos para encontrarnos la próxima semana.
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

sincronizado, energizado, coordinado
Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
Los equipos fueron sincronizados para maximizar la productividad.
C1 noun /ˈhɛzɪtənsi/

hesitancy

vacilación
Meaning
The tendency to pause or delay due to uncertainty or fear.
Example
His hesitancy in answering made everyone doubt his confidence.
Su vacilación al responder hizo que todos dudaran de su confianza.
C1 noun /ˌdɪs.əˈreɪ/

disarray

desorden
Meaning
A state of disorganization or untidiness; confusion or disorder.
Example
His desk was in complete disarray.
Su escritorio estaba en completo desorden.
C1 noun /ˈhɑː.mə.nɪm/

homonym

homónimo
Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
La palabra 'murciélago' es un homónimo porque puede significar un animal o una herramienta deportiva.
C1 verb, noun /ˈbrɪsəl/

bristle

pelos rígidos; reaccionar con ira
Meaning
to react angrily or defensively; a short stiff hair or fiber
Example
The cat bristled when it saw the dog.
El gato se erizó cuando vio al perro.
C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

imperceptible
Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
Los cambios en su comportamiento eran imperceptibles al principio.
C1 adjective /ɔːˈdeɪ.ʃəs/

Audacious

audaz
Meaning
showing willingness to take bold risks; daring
Example
His audacious plan to climb the mountain without proper equipment shocked everyone.
Su plan audaz de escalar la montaña sin el equipo adecuado sorprendió a todos.
C1 verb /ˈʃækəl/

shackle

esposar
Meaning
to chain or restrain; to restrict someone’s actions or freedom
Example
Outdated regulations shackle small businesses and slow innovation.
Las regulaciones anticuadas encadenan a las pequeñas empresas y ralentizan la innovación.
C1 noun /rɪˈkluːs/

recluse

recluso
Meaning
A person who lives alone and avoids other people; someone who lives a solitary life.
Example
The old man lived as a recluse in the mountains.
El anciano vivió como un recluso en las montañas.
C1 noun /beɪl/

bail

fianza
Meaning
the temporary release of an accused person awaiting trial, often with a financial guarantee
Example
He was granted bail after his arrest.
Le otorgaron la fianza después de su arresto.
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 /ˌdep.rɪˈveɪ.ʃən/

deprivation

privación, escasez, falta
Meaning
The damaging lack of material benefits considered to be basic necessities in a society.
Example
Sleep deprivation affects cognitive function.
La privación de sueño afecta la función cognitiva.
C1 noun dɪˈtɜː.mɪ.nənt

determinant

factor determinante
Meaning
A factor that decisively affects the nature or outcome of something.
Example
Education is a key determinant of success.
La educación es un factor determinante del éxito.
C1 noun /rɪˈkɒnɪsəns/

reconnaissance

reconocimiento
Meaning
A survey or exploration, especially for military or strategic purposes.
Example
The soldiers conducted a reconnaissance of the enemy camp.
Los soldados realizaron un reconocimiento del campamento enemigo.
C1 adverb kəmˈpæktli

compactly

compactamente
Meaning
In a closely packed or dense manner.
Example
Protons and neutrons are compactly arranged.
Los protones y los neutrones están organizados compactamente.
C1 noun /klæn/

clan

clan
Meaning
a large family group or a close-knit community with shared interests or ancestry
Example
The entire clan gathered to celebrate the festival.
Todo el clan se reunió para celebrar el festival.
C1 adjective /ˈwɪr.i.səm/

Wearisome

agotador; tedioso y aburrido
Meaning
causing tiredness; tedious; boring and exhausting
Example
The wearisome journey took twelve hours to complete.
El agotador viaje tomó doce horas para completarse.
C1 adjective /ˈdestatəʊt/

Destitute

pobre; indigente; sin dinero ni posesiones
Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.
Muchas familias se volvieron pobres después del colapso económico.
C1 verb /sɪˈkluːd/

seclude

aislar
Meaning
To keep someone away from other people; to isolate.
Example
The monk chose to seclude himself in the mountains.
El monje eligió aislarse en las montañas.
C1 noun /ˈmæɡneɪt/

Magnate

magnate; persona poderosa y rica en el negocio
Meaning
A wealthy and powerful businessperson or industrialist
Example
The oil magnate owned dozens of refineries across the country.
El magnate del petróleo poseía docenas de refinerías en todo el país.