benign
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C1 adjective /bɪˈnaɪn/

benign

benigno, inofensivo
Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
El médico le aseguró que el tumor era inofensivo.
C1 noun /ɪˈklɪps/

Eclipse

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

parity

paridad
Meaning
the state or condition of being equal, especially in status or pay
Example
The campaign aims to achieve pay parity between men and women.
La campaña tiene como objetivo lograr la paridad salarial entre hombres y mujeres.
C1 verb /sleɪ/

slay

matar
Meaning
to kill violently; informally, to impress greatly
Example
The hero vowed to slay the dragon.
El héroe juró matar al dragón.
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 adjective /ˈpiːkənt/

piquant

picante
Meaning
having a pleasantly sharp or spicy taste; interestingly provocative
Example
The chef added a piquant sauce to the dish to enhance its flavor.
El chef añadió una salsa picante al plato para realzar su sabor.
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 /dɛlv/

delve

investigar a fondo
Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
El investigador investigó a fondo los manuscritos antiguos para encontrar pistas.
C1 noun /ˈskwɒtər/

squatter

ocupante ilegal
Meaning
a person who unlawfully occupies an uninhabited building or unused land
Example
The police removed the squatters from the abandoned house.
La policía sacó a los ocupantes ilegales de la casa abandonada.
C1 noun /ˈpɒpjʊlɪst/

populist

líder populista
Meaning
A politician or person who seeks to appeal to ordinary people who feel their concerns are ignored by elites.
Example
The populist leader promised to put the needs of common citizens first.
El líder populista prometió poner las necesidades de los ciudadanos comunes en primer lugar.
C1 verb /ˈteɪpər/

taper

afinar
Meaning
To gradually decrease in width, thickness, or intensity.
Example
The road tapers off as it reaches the mountains.
La carretera se estrecha a medida que llega a las montañas.
C1 adjective /ˈsæŋɡwɪn/

sanguine

optimista
Meaning
Optimistic or positive, especially in a difficult situation.
Example
Despite the challenges, she remained sanguine about the future.
A pesar de los desafíos, ella se mantuvo optimista acerca del futuro.
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 /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 /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 noun ˈsɪn.tæks

syntax

sintaxis
Meaning
The arrangement of words and phrases to create well-formed sentences in a language.
Example
Programming languages follow strict syntax rules.
Los lenguajes de programación siguen estrictas reglas de sintaxis.
C1 noun prɪˈsɪʒ.ən ˈæɡ.rɪ.kʌl.tʃər

precision agriculture

agricultura de precisión
Meaning
The technique of conducting agricultural work using advanced technology.
Example
Precision agriculture optimizes resource use and increases efficiency.
La agricultura de precisión optimiza el uso de los recursos y aumenta la eficiencia.
C1 adjective /aɪˈdɪlɪk/

idyllic

idílico y hermoso
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
Disfrutaron de unas vacaciones idílicas junto al mar.
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 /ˈbaɪtɪŋ/

Biting

mordiendo; frío intenso; crítico agudo o áspero
Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
El frío mordaz hizo que todos temblaran.
C1 adjective /ˌɛk.spəˈnɛn.ʃəl/

exponential

crecimiento rápido o expansión a un ritmo creciente
Meaning
Rapid growth or expansion at an increasing rate
Example
Technology is advancing at an exponential rate.
La tecnología está avanzando a un ritmo exponencial.
C1 noun /ˈtɜːrmɪnəs/

terminus

punto final
Meaning
the final point or end of something, especially the final station on a railway line
Example
The train finally arrived at the terminus after a long journey.
El tren finalmente llegó al terminus después de un largo viaje.
C1 noun /əˈfen.dər/

Offender

delincuente; infractor de la ley
Meaning
a person who commits an illegal act; someone who breaks the law
Example
The young offender was sentenced to community service.
El joven delincuente fue sentenciado a servicio comunitario.
C1 noun /ˈmjʊr.əl/

Mural

mural
Meaning
a painting or artwork applied directly on a wall or ceiling
Example
The artist painted a beautiful mural on the school wall.
El artista pintó un hermoso mural en la pared de la escuela.
C1 adjective /rɪˈstreɪnd/

restrained

restricto
Meaning
characterized by reserve or self-control; held back
Example
Her restrained reaction surprised everyone.
Su reacción restringida sorprendió a todos.
C1 noun /əˈnɒməli/

anomaly

anomalía
Meaning
something that deviates from the norm or expected result
Example
The sudden drop in temperature was considered an anomaly.
La caída repentina de la temperatura fue considerada una anomalía.
C1 adjective /məˈtɜːrnəl/

Maternal

maternal
Meaning
relating to a mother; motherly
Example
She showed maternal care towards the orphan child.
Ella mostró cuidado maternal hacia el niño huérfano.
C1 adjective /ˈhæloʊd/

hallowed

sagrado
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
Cruzaron los sagrados pasillos de la vieja universidad.
C1 verb /rɪˈbjuːk/

rebuke

reprender
Meaning
to criticize or scold sharply; to express disapproval
Example
The teacher had to rebuke the student for cheating.
El maestro tuvo que reprender al estudiante por hacer trampa.
C1 adjective ˈskruː.pjʊ.ləs

scrupulous

escrupuloso
Meaning
Diligent, thorough, and extremely attentive to details; having moral integrity; acting in strict regard for what is considered right or proper.
Example
He is known for being scrupulous in his work.
Es conocido por ser escrupuloso en su trabajo.
C1 verb /ɡloʊt/

gloat

regodearse
Meaning
To take pleasure in someone else's misfortune or to show smug satisfaction.
Example
He couldn't help but gloat over his rival's failure.
Él no pudo evitar regodearse sobre el fracaso de su rival.
C1 verb /ˈtɪpɪfaɪ/

typify

representar
Meaning
to represent or be a typical example of something
Example
His leadership style typifies the new corporate culture.
Su estilo de liderazgo representa la nueva cultura corporativa.
C1 noun /ˈpiː.kɒk ˈflaʊ.ər/

Peacock flower

flor de pavo real
Meaning
a tropical tree with bright orange and red flowers that resemble a peacock's tail
Example
The peacock flower tree blooms with stunning orange flowers in summer.
El árbol de flor de pavo real florece con flores naranjas impresionantes en verano.
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

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

domination

dominación
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
El imperio buscaba dominación sobre sus vecinos.
C1 adjective /səˈtɪrɪk/

satiric

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

provocative

provocativo
Meaning
Intended to make people angry, excited, or interested.
Example
She wore a provocative dress to the party.
Ella llevaba un vestido provocativo a la fiesta.
C1 noun /ˈhæv.ək/

Havoc

destrucción generalizada; gran confusión o desorden; caos
Meaning
widespread destruction; great confusion or disorder; chaos
Example
The hurricane wreaked havoc on the coastal towns, destroying homes and businesses.
El huracán causó estragos en las ciudades costeras, destruyendo casas y negocios.
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

rico en nutrientes
Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
Los alimentos orgánicos suelen ser más ricos en nutrientes que los alimentos procesados.
C1 adverb /ˈðɛərfɔːr/

therefor

para eso
Meaning
For that or for it.
Example
He received payment and gave a receipt therefor.
Recibió el pago y dio un recibo para eso.
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

sensibilidad
Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
Su sensibilidad artística la hizo apreciar los detalles finos en las pinturas.
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 /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 noun /əˈpærəl/

apparel

ropa
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
La tienda se especializa en ropa de boda.
C1 noun /fɪˈnɛs/

finesse

sutilidad, destreza, refinamiento
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
El artista pintó con gran destreza.
C1 noun /mɒb/

Mob

multitud; un grupo que actúa de manera violenta
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
Una multitud enfadada se reunió fuera del edificio.
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

ambigüedad, vaguedad
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
La ambigüedad de la declaración causó confusión en el equipo.
C1 adjective kənˈkɝː.ənt

concurrent

concurrente, simultáneo, que ocurre al mismo tiempo
Meaning
Existing, happening, or done at the same time.
Example
The conference had concurrent sessions on various topics.
La conferencia tuvo sesiones concurrentes sobre varios temas.
C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

exorbitante
Meaning
Unreasonably high in price or cost; excessive.
Example
The hotel charged an exorbitant price for a basic room.
El hotel cobró un precio exorbitante por una habitación básica.
C1 noun /mɒnˈtɑːʒ/

montage

montaje
Meaning
A sequence of film editing or a composite image made by combining several separate pictures.
Example
The film opened with a montage of city life.
La película comenzó con un montaje de la vida en la ciudad.
C1 adjective /kræs/

crass

tosco, sin sensibilidad o refinamiento
Meaning
lacking sensitivity, refinement, or intelligence
Example
His crass remarks offended everyone at the meeting.
Sus comentarios groseros ofendieron a todos en la reunión.
C1 adjective /ˈpɪt.i.ləs/

pitiless

despiadado
Meaning
showing no pity or compassion; cruel
Example
The pitiless ruler ignored the suffering of his people.
El gobernante despiadado ignoró el sufrimiento de su pueblo.
C1 adjective /ˌʌnrɪˈfaɪnd/

unrefined

sin refinar
Meaning
not processed or purified; lacking polish or sophistication
Example
The unrefined oil must be processed before it can be used as fuel.
El aceite sin refinar debe procesarse antes de usarse como combustible.
C1 noun ˌɒk.sɪˈdeɪ.ʃən

oxidation

oxidación
Meaning
A chemical reaction that involves the combination of a substance with oxygen, often causing deterioration.
Example
Oxidation causes metal surfaces to weaken.
La oxidación debilita las superficies metálicas.
C1 adjective /ˌjuːnɪˈlætərəl/

Unilateral

unilateral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
El país tomó una decisión unilateral de retirarse del tratado.
C1 adjective /ˈvɪʒ.ən.er.i/

Visionary

visionario; imaginativo;
Meaning
having original ideas about what the future will bring; innovative; imaginative
Example
Steve Jobs was a visionary leader who revolutionized technology.
Steve Jobs fue un líder visionario que revolucionó la tecnología.
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 noun /stɪˈlɛtoʊ/

stiletto

zapato de tacón delgado / daga
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
Ella llevaba unos elegantes tacones stilettos a la fiesta.
C1 noun /ˈper.ɪ.wɪŋ.kəl/

Periwinkle

periwinkle
Meaning
a small trailing plant with violet-blue or white flowers
Example
Purple periwinkles covered the garden ground beautifully.
Las periwinkles moradas cubrían hermosamente el suelo del jardín.
C1 adjective /ˈtækt.fəl/

Tactful

hábil; diplomático;
Meaning
showing skill and sensitivity in dealing with others or difficult situations
Example
He gave a tactful response to avoid hurting her feelings.
Él dio una respuesta diplomática para evitar herir sus sentimientos.
C1 adjective /ˈpɒp.jʊ.ləs/

Populous

populoso
Meaning
having a large population; densely populated; crowded with people
Example
China is the most populous country in the world.
China es el país más poblado del mundo.
C1 noun /ˈlʊkaʊt/

lookout

vigilancia, vigilancia
Meaning
A place for watching; a person keeping watch.
Example
The guard kept a lookout for suspicious activity.
El guardia mantenía un lookout para actividades sospechosas.
C1 noun /ˈfɔːrdʒəri/

forgery

falsificación
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
El banco detectó una falsificación en la firma del cheque.
C1 adjective /ˈstʌm.pi/

Stumpy

bajo y grueso
Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
El perrito bajo y grueso movió su cola con entusiasmo.
C1 verb/noun ˈbuːt.stræp

bootstrap

empezar un negocio utilizando recursos personales sin financiación externa
Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
Él comenzó su empresa con recursos mínimos.
C1 adjective /ˈdʒɑː.rɪŋ/

jarring

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

patriarch

patriarca
Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
Como patriarca de la familia, mediaba disputas y mantenía vivas las viejas tradiciones.
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 /noʊˈbɪl.ə.ti/

Nobility

nobleza; rango alto
Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
Él mostró gran nobleza al perdonar a sus enemigos.
C1 adjective /ɪɡˈzuːbərənt/

exuberant

exuberante
Meaning
full of energy, excitement, and cheerfulness
Example
The children were exuberant after winning the game.
Los niños estaban exuberantes después de ganar el juego.
C1 adjective ˈdɔːn.tɪŋ

daunting

intimidante o desafiante
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
La tarea parecía intimidante, pero ella la completó con éxito.
C1 noun /ləˈɡuːn/

lagoon

laguna
Meaning
A shallow body of water separated from the sea by sandbars or reefs.
Example
We swam in the calm waters of the lagoon.
Nadamos en las tranquilas aguas de la laguna.
C1 noun /ɪˈpɪt.ə.mi/

epitome

un ejemplo perfecto de una calidad o tipo particular; la mejor representación de algo
Meaning
A perfect example of a particular quality or type; the best representation of something.
Example
She is the epitome of grace and kindness.
Ella es el epítome de la gracia y la amabilidad.
C1 adjective /ˈmæliəbl̩/

malleable

fácil de moldear
Meaning
Easily shaped or influenced; capable of being bent or adapted.
Example
Gold is a highly malleable metal used in jewelry.
El oro es un metal muy maleable utilizado en joyería.
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 /ˌeɪθiˈɪstɪk/

atheistic

ateísta
Meaning
Relating to or characteristic of atheists or atheism.
Example
She grew up in an atheistic household with no religious rituals.
Ella creció en un hogar ateo sin rituales religiosos.
C1 verb /ˈluːbrɪkeɪt/

lubricate

lubricar
Meaning
to apply oil or grease to reduce friction between surfaces
Example
The mechanic lubricated the car engine parts.
El mecánico lubricó las piezas del motor del coche.
C1 verb /ˈlɪtɪˌɡeɪt/

litigate

litigar
Meaning
to engage in legal proceedings or take a dispute to court
Example
The company decided to litigate the contract dispute.
La empresa decidió litigar la disputa contractual.
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 adjective /sɪˈkluːdɪd/

secluded

aislado
Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
Pasaron sus vacaciones en una casa de playa aislada.
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

autocontrol
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
Practicar el autocontrol ayuda a evitar decisiones impulsivas.
C1 verb /ɪˈloʊp/

elope

escaparse para casarse
Meaning
to run away secretly in order to get married, especially without parental consent
Example
The young couple decided to elope to another city.
La joven pareja decidió escaparse a otra ciudad para casarse.
C1 noun /ˈrɑːstər/

roster

lista
Meaning
A list or plan showing people’s duties or times when they are scheduled.
Example
The manager updated the staff roster for next week.
El gerente actualizó la lista del personal para la próxima semana.
C1 noun /ˈliːweɪ/

leeway

margen
Meaning
Freedom to act within certain limits; extra space or time.
Example
The manager gave the team some leeway to finish the project.
El gerente le dio al equipo algo de margen para terminar el proyecto.
C1 noun /ˈɜːr.θən pɒt/

Earthen pot

recipiente de barro
Meaning
a container made of baked clay or earth, used for cooking or storing
Example
The earthen pot keeps water naturally cool in summer.
El recipiente de barro mantiene el agua naturalmente fresca en verano.
C1 adjective /ˈpɛtjʊlənt/

petulant

irritable
Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
El niño se volvió irritable cuando no le dieron más dulces.
C1 noun /fjuːd/

feud

disputa, enemistad
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
Las dos familias han estado en una disputa durante generaciones.
C1 adjective /ˈspeɪʃəl/

spatial

espacial
Meaning
relating to space or the position, area, and size of things
Example
The scientist studied the spatial arrangement of stars.
El científico estudió la disposición espacial de las estrellas.
C1 adjective /ˈstrɛnjuəs/

strenuous

arduo
Meaning
Requiring or using great effort and energy.
Example
Climbing the mountain was a strenuous task.
Escalar la montaña fue una tarea ardua.
C1 noun /ɪnˈdɪrmənt/

endearment

palabra cariñosa
Meaning
A word or phrase expressing affection or love.
Example
She whispered a gentle endearment to her child.
Ella susurró una palabra cariñosa a su hijo.
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

intermediario
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
El diplomático actuó como intermediario entre las dos naciones en conflicto.
C1 verb /ˈfɛdərət/

federate

federar
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Varios estados se federaron para crear una unión más fuerte.
C1 noun ˌɒp.tɪ.maɪˈzeɪ.ʃən

optimization

optimización
Meaning
Improving processes to increase performance and efficiency.
Example
SEO optimization helps websites rank higher on search engines.
La optimización de SEO ayuda a los sitios web a obtener un rango más alto en los motores de búsqueda.
C1 adjective /ˈpruː.dənt/

Prudent

prudente; cauteloso; sabio;
Meaning
wise; careful; cautious;
Example
It's prudent to save money for the future.
Es prudente ahorrar dinero para el futuro.
C1 verb /ˈmɪt.ɪ.ɡeɪt/

mitigate

mitigar
Meaning
To make less severe, serious, or painful; to lessen the severity of damage or harm.
Example
Proper planning can mitigate financial risks.
La planificación adecuada puede mitigar los riesgos financieros.
C1 adjective /ɡlaɪˈsiː.mɪk/

glycemic

relacionado con la glucosa
Meaning
Relating to the presence of glucose in the blood and how foods affect blood sugar levels.
Example
High-glycemic foods cause a rapid increase in blood sugar.
Los alimentos con alto índice glucémico causan un aumento rápido del azúcar en la sangre.
C1 noun /ɪnˈkrəʊtʃmənt/

encroachment

intrusión
Meaning
the act of gradually intruding or taking over someone’s rights, land, or space
Example
The villagers protested against the encroachment on their farmland.
Los aldeanos protestaron contra la intrusión en sus tierras agrícolas.
C1 noun /fəˈtæləti/

fatality

fatalidad
Meaning
An occurrence of death by accident, disaster, or violence.
Example
The accident resulted in one fatality.
El accidente resultó en una fatalidad.
C1 adjective tɪˈneɪ.ʃəs

tenacious

tenaz
Meaning
Not readily letting go of, giving up, or separated from an object that one holds, a position, or a principle; persistent.
Example
Her tenacious spirit helped her overcome hardships.
Su espíritu tenaz le ayudó a superar las dificultades.
C1 adverb /ʌnˈnætʃrəli/

unnaturally

de manera antinatural
Meaning
in a way that is not natural or normal; excessively or strangely
Example
He smiled unnaturally, making everyone feel uncomfortable.
Sonrió de manera antinatural, haciendo que todos se sintieran incómodos.
C1 verb /rænt/

rant

gritar
Meaning
to speak or shout in an angry, uncontrolled way
Example
He ranted about the unfair treatment at work.
Él gritó acerca del trato injusto en el trabajo.
C1 adjective /snaɪd/

snide

irónico
Meaning
mocking or insulting in an indirect way
Example
He couldn’t resist making a snide comment about her dress.
No pudo evitar hacer un comentario irónico sobre su vestido.
C1 noun /ˈlʌləˌbaɪ/

lullaby

canción de cuna
Meaning
a soothing song sung to help a child fall asleep
Example
She sang a lullaby to her baby every night.
Ella cantaba una canción de cuna a su bebé todas las noches.
C1 noun /ˌprəʊ.baɪˈɒt.ɪks/

probiotics

probióticos
Meaning
Live microorganisms that, when administered in adequate amounts, confer health benefits to the host, especially for digestive health.
Example
Probiotics improve digestion and enhance gut health.
Los probióticos mejoran la digestión y promueven la salud intestinal.
C1 verb /ˈiːvzdrɒp/

eavesdrop

escuchar a escondidas
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
Ella estaba cerca de la puerta para escuchar a escondidas su conversación.
C1 adjective /pəˈnɪnsjələr/

peninsular

peninsular
Meaning
Relating to or resembling a peninsula.
Example
The peninsular region is surrounded by water on three sides.
La región peninsular está rodeada de agua por tres lados.
C1 verb /ˈvæŋkwɪʃ/

vanquish

vencer
Meaning
to defeat thoroughly, especially in battle or competition
Example
The army vanquished its enemies with superior strategy.
El ejército venció a sus enemigos con una estrategia superior.
C1 adjective /ˈdɪn.dʒi/

Dingy

sucio y sombrío; de color apagado
Meaning
dark and dirty; gloomy; dull in color
Example
The old building had dingy walls that needed painting.
El viejo edificio tenía paredes sucias que necesitaban pintura.
C1 verb /dɪˈpriːʃieɪt/

depreciate

depreciar
Meaning
to reduce in value over time
Example
Cars tend to depreciate quickly in their first few years.
Los coches tienden a depreciarse rápidamente en sus primeros años.
C1 noun /ˈstjuːpər/

stupor

estupor
Meaning
a state of near-unconsciousness or insensibility
Example
He remained in a stupor after hearing the shocking news.
Él permaneció en un estupor después de escuchar la noticia impactante.
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 noun /ˈhɑː.mɪdʒ/

Homage

homenaje; respeto; tributo
Meaning
special honor or respect shown publicly; tribute paid to someone in recognition of their merit
Example
The memorial service was a touching homage to the brave soldiers who sacrificed their lives.
El servicio conmemorativo fue un homenaje conmovedor a los valientes soldados que sacrificaron sus vidas.
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 /trænsˈɡrɛʃən/

transgression

transgresión, delito
Meaning
an act that goes against a law, rule, or code of conduct; a violation or sin
Example
The court forgave his first transgression but warned him not to repeat it.
El tribunal perdonó su primera transgresión pero le advirtió que no la repitiera.
C1 adjective /ˈɔː.də.bəl/

Audible

audible
Meaning
able to be heard; loud enough to hear
Example
The speaker's voice was barely audible from the back of the large hall.
La voz del orador apenas era audible desde el fondo del gran salón.
C1 noun /nɪl/

Nil

cero; nada
Meaning
nothing; zero; no amount
Example
His chances of winning were nil after the scandal.
Sus posibilidades de ganar eran nulas después del escándalo.
C1 noun /ɔːˈrɔːrə/

aurora

aurora
Meaning
A natural display of lights in the sky, usually seen in polar regions.
Example
We traveled to Norway to see the northern aurora.
Viajamos a Noruega para ver la aurora del norte.
C1 noun ˈmetəl kənˌtæməˈneɪʃən

metal contamination

contaminación por metales
Meaning
The presence of toxic metals in the environment that pose health and environmental risks.
Example
Metal contamination poses severe health risks.
La contaminación por metales representa graves riesgos para la salud.
C1 noun /ˈmiːdieɪtər/

Mediator

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

mobilize

movilizar
Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
El líder trabajó duro para movilizar a la comunidad para la protesta.
C1 adjective /əˈblɪɡ.ə.tɔː.ri/

obligatory

obligatorio
Meaning
Required by a legal, moral, or other rule; compulsory.
Example
Wearing a seatbelt is obligatory in most countries.
Usar el cinturón de seguridad es obligatorio en la mayoría de los países.