byline
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C1 noun /ˈbaɪ.laɪn/

byline

línea del nombre del escritor
Meaning
A line in a newspaper or magazine article that names the writer.
Example
Her byline appeared on the front page of the newspaper.
Su línea apareció en la primera página del periódico.
C1 adjective /trænsˈluːsənt/

translucent

semi-transparente
Meaning
allowing light to pass through, but not clearly enough to see detailed images
Example
She placed the flower in a translucent vase.
Colocó la flor en un jarrón semi-transparente.
C1 adjective /ˌʌnbɪˈliːvɪŋ/

unbelieving

incrédulo
Meaning
Not willing or able to believe; skeptical or doubtful
Example
She gave him an unbelieving look when he claimed to have met a celebrity.
Ella le dio una mirada incrédula cuando afirmó haber conocido a una celebridad.
C1 noun /rɪˌsɛptɪˈvɪti/

receptivity

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

immaturity

inmadurez
Meaning
the state of not being fully developed emotionally, mentally, or physically; lack of maturity
Example
His immaturity made it difficult for him to handle responsibility.
Su inmadurez le dificultó manejar la responsabilidad.
C1 noun /ˈblæs.fə.mi/

blasphemy

blasfemia
Meaning
the act of speaking disrespectfully about God or sacred things
Example
In some countries, blasphemy is a punishable offense.
En algunos países, la blasfemia es un delito castigable.
C1 adjective /swɑːv/

suave

atractivo y refinado
Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
Era un caballero refinado que impresionó a todos en la fiesta.
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

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

liqueur

licor dulce
Meaning
A strong, sweet alcoholic drink flavored with fruits, herbs, or spices.
Example
She served a small glass of cherry liqueur after dinner.
Ella sirvió un pequeño vaso de licor de cereza después de la cena.
C1 verb /ˈɛm.jʊˌleɪt/

emulate

imitar
Meaning
to imitate someone or something with the intent to equal or surpass
Example
Young athletes often emulate their idols.
Los jóvenes atletas a menudo imitan a sus ídolos.
C1 noun /rɪˈpɛərə/

repairer

reparador
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
El reparador arregló la lavadora rota rápidamente.
C1 adjective /kənˈsɪliətɔːri/

conciliatory

conciliatorio
Meaning
intended to make someone less angry or more agreeable; soothing
Example
She spoke in a conciliatory tone to ease the tension.
Ella habló en un tono conciliatorio para calmar la tensión.
C1 verb /skrɔːl/

scrawl

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

conveyance

transporte
Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.
El transporte de mercancías se retrasó debido al mal tiempo.
C1 noun /səˈsteɪnəbl ˈæɡrɪkʌltʃər/

sustainable agriculture

agricultura sostenible
Meaning
Farming practices that meet current food needs while preserving environmental resources and maintaining the ability to produce food for future generations through ecologically sound methods.
Example
Sustainable agriculture practices protect the environment while ensuring food security.
Las prácticas de agricultura sostenible protegen el medio ambiente mientras garantizan la seguridad alimentaria.
C1 adjective /vɪˈveɪʃəs/

vivacious

vivaz
Meaning
Attractively lively and animated.
Example
She was admired for her vivacious personality.
Ella fue admirada por su personalidad vivaz.
C1 noun /ˈpɛdlər/

peddler

vendedor ambulante
Meaning
a person who sells goods, often traveling from place to place
Example
The peddler walked through the village selling fresh fruits.
El vendedor ambulante caminaba por el pueblo vendiendo frutas frescas.
C1 verb /ˌɪntərˈsɛpt/

intercept

interceptar
Meaning
to stop, catch, or seize something on its way from one place to another
Example
The police intercepted the stolen car before it crossed the border.
La policía interceptó el coche robado antes de que cruzara la frontera.
C1 verb ˌkəʊ.əˈles

coalesce

fusionarse
Meaning
Come together and form one mass or whole; unite to form one organization or group.
Example
The different theories coalesced into one unified idea.
Las diferentes teorías se fusionaron en una idea unificada.
C1 noun /ˈdeɪ.ə.ti/

deity

deidad
Meaning
a god or goddess
Example
The temple is dedicated to a Hindu deity.
El templo está dedicado a una deidad hindú.
C1 noun /ˌmʌltɪˈplɪsɪti/

multiplicity

multiplicidad
Meaning
A large number or variety of something.
Example
The project faced a multiplicity of challenges.
El proyecto enfrentó una multiplicidad de desafíos.
C1 noun /ˈen.mə.ti/

Enmity

enemistad
Meaning
a state or feeling of active opposition or hostility
Example
The enmity between the two families lasted for generations.
La enemistad entre las dos familias duró generaciones.
C1 adjective /wɪðˈdrɔːn/

withdrawn

reservado
Meaning
quiet and shy; not wanting to talk to others
Example
After the incident, he became withdrawn and avoided his friends.
Después del incidente, se volvió reservado y evitó a sus amigos.
C1 noun /ɪˈnɜː.ʃə/

Inertia

inercia; falta de actividad
Meaning
a tendency to do nothing or remain unchanged; lack of activity or movement
Example
The team's inertia prevented them from adapting to the rapidly changing market conditions.
La inercia del equipo les impidió adaptarse a las condiciones de mercado en rápido cambio.
C1 verb /məˈnuː.vər/

manoeuver

maniobrar
Meaning
To move skillfully or carefully; to guide or manipulate into a desired position.
Example
The driver skillfully manoeuvered the car through the narrow street.
El conductor maniobró hábilmente el coche por la calle estrecha.
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 /ˈɪn.fən.tri/

Infantry

infantería
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
La infantería avanzó a través del campo de batalla a pie.
C1 noun /ˈmɪs.hæp/

Mishap

accidente; percance; desastre
Meaning
An unlucky accident or unfortunate event, typically minor
Example
The cooking mishap resulted in a burnt dinner.
El percance en la cocina resultó en una cena quemada.
C1 noun /ˈɔːrkɪd/

Orchid

órquidea
Meaning
a diverse family of flowering plants known for their exotic and often fragrant flowers
Example
The white orchid on the windowsill bloomed for months.
La orquídea blanca en el alféizar de la ventana floreció durante meses.
C1 verb /dɪsˈpleɪs/

displace

desplazar
Meaning
to force someone or something out of their usual or original position; to replace or substitute
Example
The new technology will displace many traditional manufacturing jobs.
La nueva tecnología desplazará muchos trabajos tradicionales de manufactura.
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

interrogar
Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
La policía interrogó al sospechoso durante horas.
C1 adjective /məˈlɛvələnt/

malevolent

malévolo
Meaning
Having or showing a wish to do evil or harm to others.
Example
The malevolent glare in his eyes frightened the children.
La mirada malévola en sus ojos asustó a los niños.
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 noun, verb /bʌldʒ/

bulge

hinchazón / abultamiento
Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
La bolsa comenzó a hincharse con demasiados libros adentro.
C1 noun ˌsɛn.trə.laɪˈzeɪ.ʃən

centralization

centralización
Meaning
The concentration of control and decision-making power in a central authority.
Example
Excessive centralization can slow down decision-making.
La centralización excesiva puede ralentizar la toma de decisiones.
C1 verb /ˈɪə.mɑːrk/

earmark

destinar
Meaning
To designate funds, resources, or time for a particular purpose.
Example
The government has earmarked funds for education.
El gobierno ha destinado fondos para la educación.
C1 adjective /əˈblaɪdʒɪŋ/

obliging

servicial
Meaning
Willing to help or do favors; accommodating.
Example
The staff at the hotel were very obliging and friendly.
El personal del hotel era muy servicial y amable.
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 noun /rʌsk/

Rusk

bizcocho seco; pan tostado
Meaning
a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit
Example
The baby enjoyed eating the soft rusk with milk.
El bebé disfrutó comer el rusk suave con leche.
C1 adjective /ˈmɜːki/

murky

turbio
Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
Evitamos nadar en el río turbio.
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 adjective /ʃrɪl/

shrill

sonido agudo
Meaning
High-pitched and piercing in sound.
Example
The shrill whistle startled everyone in the room.
El silbido agudo sorprendió a todos en la sala.
C1 adjective /ˈkɑːr.di.æk/

cardiac

cardíaco
Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
El paciente fue admitido con una afección cardíaca.
C1 noun /truːp/

troupe

grupo, compañía de teatro
Meaning
A group of dancers, actors, or performers who work together.
Example
The theater troupe performed brilliantly on stage.
La compañía de teatro actuó brillantemente en el escenario.
C1 adjective /ˌəʊvərˈstɪmjʊˌleɪtɪd/

overstimulated

sobrestimulado
Meaning
Excessively excited or aroused, overwhelmed by too much stimulus.
Example
Overstimulated minds can lead to burnout and decreased productivity.
Las mentes sobrestimuladas pueden conducir al agotamiento y a una menor productividad.
C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

insignificancia
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
Él sintió un sentido de insignificancia en el vasto universo.
C1 adjective /ɪkˈsaɪtəbl̩/

excitable

excitable
Meaning
easily excited or emotionally aroused
Example
The child was excitable and laughed at every small thing.
El niño era excitable y se reía de cada pequeña cosa.
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 adjective /ˈɔːbərn/

auburn

castaño rojizo
Meaning
reddish-brown in color, especially used to describe hair
Example
She has long auburn hair that shines in the sunlight.
Ella tiene el cabello largo y castaño rojizo que brilla al sol.
C1 adjective /ˈsteɪtli/

stately

majestuoso y digno
Meaning
Having a dignified, majestic, and impressive appearance or manner.
Example
The stately mansion stood at the end of the long driveway.
La majestuosa mansión se encontraba al final del largo camino de entrada.
C1 adjective /pəˈtɜːrnəl/

paternal

paternal
Meaning
Relating to or characteristic of a father.
Example
He took a paternal interest in the boy’s education.
Él mostró un interés paternal en la educación del niño.
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

inválido
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
El tribunal declaró el contrato inválido.
C1 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

inexplicable
Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
La repentina desaparición del archivo fue inexplicable.
C1 adjective, verb /muːt/

moot

irrelevante / debatible
Meaning
Adjective: subject to debate or irrelevant. Verb: to suggest an idea for discussion.
Example
The issue of funding became a moot point after the project was canceled.
El tema de la financiación se convirtió en un punto irrelevante después de que el proyecto fuera cancelado.
C1 noun /sɪv/

sieve

colador
Meaning
a utensil with a mesh or perforated bottom, used for straining or sifting
Example
She used a sieve to strain the pasta.
Ella usó un colador para colar la pasta.
C1 noun koʊˈhisɪv ˈjunɪts

cohesive units

unidades cohesivas
Meaning
Groups or organizations that work together as unified wholes, with members closely bound together.
Example
Early humans formed cohesive units for survival.
Los primeros humanos formaron unidades cohesivas para sobrevivir.
C1 noun ˌdɛməˈɡræfɪk trænˈzɪʃən

demographic transition

transición demográfica
Meaning
A shift in population patterns from high birth and death rates to low birth and death rates as a country develops economically
Example
The demographic transition indicates a shift towards an aging society.
La transición demográfica indica un cambio hacia una sociedad envejecida.
C1 adjective /ˌmɛtəˈfɔːrɪkəl/

metaphorical

metafórico
Meaning
Characteristic of or relating to metaphor; figurative rather than literal.
Example
He used metaphorical language to describe his emotions.
Él usó un lenguaje metafórico para describir sus emociones.
C1 adjective /ˌkɒnsɪˈkwɛnʃəl/

consequential

trascendental
Meaning
Having important or significant consequences; resulting from something.
Example
The meeting was consequential for the future of the project.
La reunión fue trascendental para el futuro del proyecto.
C1 noun /ˌtɛstɪˈməʊnɪəlz/

testimonials

testimonios, cartas de recomendación
Meaning
Written or spoken statements of praise or recommendation from clients or customers.
Example
Positive testimonials can enhance a company's reputation.
Los testimonios positivos pueden mejorar la reputación de una empresa.
C1 noun /ɡriːn ˈkəʊ.kə.nʌt/

Green Coconut

coco verde
Meaning
a young coconut with green outer shell containing refreshing coconut water
Example
We drank fresh water from a green coconut on the beach.
Bebimos agua fresca de un coco verde en la playa.
C1 noun /ˌjuːθəˈneɪʒə/

euthanasia

muerte asistida
Meaning
The practice of intentionally ending a life to relieve pain and suffering.
Example
The debate about euthanasia raises difficult ethical questions.
El debate sobre la eutanasia plantea preguntas éticas difíciles.
C1 noun /ˈprɒvənəns/

provenance

origen
Meaning
The origin or source of something.
Example
The museum verified the provenance of the ancient manuscript.
El museo verificó el origen del antiguo manuscrito.
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 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 /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 verb /wɪðˈhoʊld/

withhold

retener
Meaning
to refuse to give or keep back something
Example
The company decided to withhold his bonus.
La empresa decidió retener su bono.
C1 adjective /ˈækʃənəbl̩/

actionable

ejecutable
Meaning
Able to be acted on or giving sufficient reason for legal action.
Example
The lawyer confirmed that the evidence was actionable in court.
El abogado confirmó que la evidencia era ejecutable en la corte.
C1 noun /ˈrɛɡjəleɪtər/

regulator

regulador
Meaning
a person or device that controls or maintains the operation of a system
Example
The government appointed a new regulator for the financial sector.
El gobierno nombró un nuevo regulador para el sector financiero.
C1 adjective ˈfɔːr.mɪ.də.bəl

formidable

formidable
Meaning
Inspiring fear or respect through being impressively large, powerful, intense, or capable.
Example
The boxer was a formidable opponent in the ring.
El boxeador era un oponente formidable en el ring.
C1 noun /ˈɛksədəs/

exodus

éxodo
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
Hubo un éxodo repentino de trabajadores después de que comenzara la huelga.
C1 noun /əˈdʒeɪsənsi/

adjacency

adyacencia
Meaning
The state of being next to or adjoining something else.
Example
The adjacency of the two buildings made it easy to connect them.
La adyacencia de los dos edificios hizo fácil conectarlos.
C1 noun /ˈɡriːvəns/

grievance

felicidad
Meaning
A real or imagined cause for complaint, especially unfair treatment.
Example
The workers voiced their grievances to the management.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun /sɪˈdʌk.ʃən/

Seduction

seducción; tentación
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
Cayó víctima de la seducción del dinero fácil.
C1 adjective /ˈɡɔːri/

gory

sangriento
Meaning
involving or showing a lot of bloodshed and violence
Example
The movie was too gory for children.
La película fue demasiado sangrienta para los niños.
C1 noun /ˈɔr.ə.tər/

Orator

orador
Meaning
a public speaker, especially one who is eloquent or skilled in speaking
Example
The famous orator delivered an inspiring speech.
El famoso orador pronunció un discurso inspirador.
C1 noun ˌɪntədɪˈpɛndənsi

interdependency

interdependencia
Meaning
The dependence of two or more people or things on each other.
Example
The interdependency of the countries led to greater cooperation.
La interdependencia de los países llevó a una mayor cooperación.
C1 verb /ˈfɔːltər/

falter

vacilar o perder fuerza o impulso
Meaning
to hesitate or lose strength or momentum
Example
Her voice faltered as she delivered the speech.
Su voz vaciló mientras pronunciaba el discurso.
C1 noun /ˈkɪŋ.fɪʃ.ər/

King-Fisher

martinete
Meaning
a small bird with bright blue and orange feathers that catches fish by diving into water
Example
The colorful kingfisher dove into the pond to catch a fish.
El colorido martinete se zambulló en el estanque para atrapar un pez.
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 noun /ˌpɜːsəˈnælɪzeɪʃən/

personalization

personalización, adaptación
Meaning
The action of making something personal or individual; customization.
Example
Personalization in marketing improves customer engagement.
La personalización en marketing mejora la participación del cliente.
C1 noun /ˈwaɪt.lɪst.ɪŋ/

whitelisting

Identificación de usuarios, software o direcciones IP como seguros y confiables
Meaning
Identifying specific users, software, or IP addresses as safe and trusted
Example
Only verified applications are allowed through whitelisting.
Solo las aplicaciones verificadas se permiten a través del sistema de lista blanca.
C1 adjective /oʊˈbiːs/

obese

obeso
Meaning
Extremely overweight; having an excessive amount of body fat.
Example
The doctor advised the obese patient to adopt a healthier lifestyle.
El doctor le recomendó al paciente obeso adoptar un estilo de vida más saludable.
C1 noun /əˈkʌmplɪs/

accomplice

cómplice
Meaning
a person who helps another commit a crime
Example
The thief was arrested along with his accomplice.
El ladrón fue arrestado junto con su cómplice.
C1 verb /əkˈsɛntʃueɪt/

accentuate

acentuar
Meaning
to emphasize or make something more noticeable
Example
The lighting accentuated the beauty of the painting.
La iluminación acentuó la belleza de la pintura.
C1 noun /kɪˈməʊnoʊ/

kimono

kimono
Meaning
a traditional Japanese robe with wide sleeves, tied with a sash
Example
She wore a beautiful silk kimono at the ceremony.
Ella llevaba un hermoso kimono de seda en la ceremonia.
C1 verb /ˈkʌn.dʒər/

conjure

conjurar
Meaning
to summon something as if by magic; to imagine vividly
Example
The magician conjured a rabbit out of the hat.
El mago conjuró un conejo de su sombrero.
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 verb, noun /træmp/

tramp

vagabundo / caminar pesadamente
Meaning
to walk heavily or noisily; a person who travels from place to place on foot, often homeless
Example
They tramped through the forest in heavy boots.
Ellos caminaron a través del bosque con botas gruesas.
C1 verb /ˈnɪbəl/

nibble

mordisquear
Meaning
to take small bites of food
Example
The rabbit nibbled on a carrot.
El conejo mordisqueó una zanahoria.
C1 adjective /freɪl/

frail

débil
Meaning
Physically weak and delicate.
Example
The old man was too frail to walk without help.
El anciano estaba demasiado débil para caminar sin ayuda.
C1 noun /ˈwɔːkɪŋ fɪʃ/

Walking-fish

pez caminante
Meaning
a fish that can move on land using its fins and breathe air for extended periods
Example
The walking-fish can travel across dry land to find new water sources.
El pez caminante puede caminar por tierra seca para encontrar nuevas fuentes de agua.
C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

requisición
Meaning
An official order laying claim to the use of property or materials; a formal demand or request.
Example
The manager submitted a requisition for new office supplies.
El gerente presentó una requisición para nuevos suministros de oficina.
C1 adjective ɪˈroʊ.ni.əs

erroneous

erróneo, incorrecto
Meaning
Wrong; incorrect.
Example
His assumptions were completely erroneous.
Sus suposiciones eran completamente erróneas.
C1 adjective /dɪˈfɪʃənt/

Deficient

deficiente
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
Su dieta era deficiente en vitaminas esenciales.
C1 adverb /ˈiːstwədz/

Eastwards

hacia el este
Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
El río fluye hacia el este hacia el océano.
C1 verb /ˈbrændɪʃ/

brandish

agitar
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
Él brandió una espada para asustar a los intrusos.
C1 noun kəmˈpleɪ.sən.si

complacency

autocomplacencia
Meaning
Excessive self-satisfaction with one's achievements that can hinder progress.
Example
His complacency led to a decline in his performance.
Su autocomplacencia llevó a una disminución en su rendimiento.
C1 noun /ˈfiːtəs/

fetus

feto
Meaning
an unborn or unhatched offspring in the womb or egg
Example
The doctor explained the development of the fetus during pregnancy.
El doctor explicó el desarrollo del feto durante el embarazo.
C1 noun (plural) /ˈhɪntərlændz/

hinterlands

zonas remotas
Meaning
Plural of hinterland; remote or less developed regions.
Example
Explorers traveled deep into the hinterlands of the country.
Los exploradores viajaron profundamente a las zonas remotas del país.
C1 verb /blæntʃ/

blanch

despálido
Meaning
to turn pale from shock, fear, or to briefly boil food to remove skin or prepare it
Example
She blanched at the sight of blood.
Ella se puso pálida al ver la sangre.
C1 noun fɔːlt ˈtɒl.ər.əns

fault-tolerance

tolerancia a fallos
Meaning
The ability of a system to continue operating properly in the event of the failure of some of its components.
Example
Fault-tolerance ensures dependable systems.
La tolerancia a fallos asegura sistemas confiables.
C1 noun /ˈpen.əns/

Penance

penitencia; castigo por hacer algo malo
Meaning
punishment that you accept for doing something wrong; an act of showing that you are sorry for sin
Example
The monk performed penance for his past mistakes.
El monje realizó la penitencia por sus errores pasados.
C1 verb /vaɪ/

vie

competir
Meaning
To compete eagerly with someone in order to do or achieve something.
Example
Several companies are vying for the contract.
Varias empresas están compitiendo por el contrato.
C1 verb, noun /kweɪl/

quail

atemorizarse; un pájaro pequeño de cola corta
Meaning
verb: to feel or show fear; noun: a small, short-tailed bird
Example
She quailed at the sight of the approaching storm.
Ella se acobardó al ver la tormenta que se acercaba.
C1 noun /ˈwɪndfɔːl/

windfall

ganancia inesperada
Meaning
an unexpected piece of good fortune, typically a large amount of money
Example
The startup received a windfall when a major client paid for a full year in advance.
La startup recibió una ganancia inesperada cuando un cliente importante pagó por un año completo por adelantado.
C1 adjective /dʒuːˈdɪʃ.əl/

judicial

judicial
Meaning
relating to judges, courts, or the administration of justice
Example
The new law faced strong judicial review before implementation.
La nueva ley enfrentó una fuerte revisión judicial antes de su implementación.
C1 verb /flɑp/

flop

fracaso
Meaning
to fall or move heavily and clumsily; to fail completely
Example
The new movie flopped at the box office.
La nueva película fracasó en la taquilla.
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 /ˈmeɪ.trɪks/

matrix

matriz, estructura
Meaning
An environment or structure in which something develops; also a mathematical array of numbers.
Example
The cultural matrix shaped his worldview.
La matriz cultural moldeó su visión del mundo.
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 /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 noun ˌrɛk.əˈlɛk.ʃən

Recollection

recolección
Meaning
Remembering past events or information
Example
His recollection of childhood memories was vivid.
Su recuerdo de la infancia era vívido.
C1 verb /rɪˈtreɪs/

retrace

volver sobre un camino o ruta, recordar y repetir pasos anteriores
Meaning
to go back over a path or route; to recall and repeat steps taken earlier
Example
She retraced her steps to find her lost keys.
Ella volvió sobre sus pasos para encontrar sus llaves perdidas.
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 adjective /ʌnˈspiːkəbl/

unspeakable

inexpresable
Meaning
too bad or shocking to be expressed in words
Example
The survivors endured unspeakable horrors during the war.
Los sobrevivientes soportaron horrores inexpresables durante la guerra.
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 /ʌnˈsteɪtɪd/

unstated

no expresado
Meaning
not expressed directly in words; implied or left unsaid
Example
The contract included several unstated expectations.
El contrato incluía varias expectativas no expresadas.
C1 noun ˌmiː.diˈɒk.rə.ti

mediocrity

mediocridad
Meaning
Being average or ordinary, not particularly good.
Example
He refused to settle for mediocrity and aimed for greatness.
Él se negó a conformarse con la mediocridad y aspiró a la grandeza.
C1 noun/verb kənˈdʒɛk.tʃər

conjecture

conjetura
Meaning
An opinion or conclusion formed on the basis of incomplete information; to form an opinion or supposition about something.
Example
The scientist's conjecture was later proven true.
La conjetura del científico fue luego comprobada como cierta.
C1 verb /daɪˈvɛst/

divest

desinvertir
Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
La empresa decidió desinvertir su división no rentable.