Ruse
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 /ruːz/

Ruse

artimaña; truco
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
El ladrón usó una artimaña astuta para distraer al guardia.
C1 verb /ˈmɛdəl/

meddle

interferir en algo que no te concierne
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
Él siempre intenta interferir en los asuntos de los demás.
C1 adjective /ɪmˈpæsɪv/

impassive

impasible
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
A pesar de las noticias impactantes, ella permaneció impasible.
C1 noun /nɑːtʃ/

notch

muesca
Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
Hizo una muesca en el palo para marcar los días.
C1 noun /kəˈnɛəri/

canary

canario
Meaning
a small, usually yellow bird known for its singing; also used as a warning sign in dangerous conditions
Example
The canary sang beautifully in its cage.
El canario cantaba hermosamente en su jaula.
C1 adjective /ˈmaɪndləs/

mindless

sin sentido
Meaning
without thought or intelligence; done without consideration
Example
He was bored by the mindless tasks at work.
Estaba aburrido por las tareas sin sentido en el trabajo.
C1 noun /sʌˈmeɪʃən/

summation

suma, resumen
Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
El abogado dio un poderoso resumen del caso.
C1 adjective /ˌʌndərˈsaɪzd/

undersized

de tamaño pequeño
Meaning
Smaller than the usual or expected size.
Example
The undersized puppy struggled to keep up with its siblings.
El perrito de tamaño pequeño luchaba por mantenerse al día con sus hermanos.
C1 adjective /ʌnˈkɛmpt/

unkempt

desordenado
Meaning
Having an untidy or disheveled appearance.
Example
He looked unkempt after sleeping outdoors all night.
Se veía desordenado después de dormir al aire libre toda la noche.
C1 noun /ˈmɒnəlɪθ/

monolith

monolito
Meaning
A large single upright block of stone, or a large, powerful, indivisible organization or system.
Example
The ancient monolith stood in the desert for centuries.
El antiguo monolito estuvo de pie en el desierto durante siglos.
C1 adjective /dɪˈklærətɪv/

declarative

declarativo
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
Una oración declarativa simplemente establece un hecho u opinión.
C1 adjective /ˈbær.ən/

Barren

árido; estéril; desolado; improductivo
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
El desierto árido se extendía por millas sin vegetación.
C1 verb /kəˈluːd/

collude

conspirar
Meaning
To secretly cooperate or conspire with others, often for a deceitful purpose.
Example
The two companies colluded to fix prices in the market.
Las dos empresas conspiraron para fijar los precios en el mercado.
C1 verb /ˈpændər/

pander

adular, halagar
Meaning
to indulge or exploit the weaknesses, desires, or immoral tendencies of others
Example
The politician was accused of pandering to voters' fears.
El político fue acusado de complacer los temores de los votantes.
C1 adjective /ˈteɪn.tɪd/

Tainted

contaminado; manchado
Meaning
contaminated or affected by something bad or undesirable
Example
The water supply was tainted with harmful chemicals.
El suministro de agua fue contaminado con productos químicos dañinos.
C1 verb /flaʊt/

flout

despreciar
Meaning
To openly disregard or show contempt for a rule or law.
Example
The company was fined for flouting environmental regulations.
La empresa fue multada por ignorar las regulaciones ambientales.
C1 noun /ˈstɪmjʊlənt/

stimulant

estimulante
Meaning
A substance that raises levels of physiological or nervous activity in the body.
Example
Coffee is a common stimulant that helps people stay awake.
El café es un estimulante común que ayuda a las personas a mantenerse despiertas
C1 noun /ˈskævɪndʒər/

scavenger

carroñero / recolector de basura
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
Los buitres son escavengers naturales que limpian el medio ambiente.
C1 verb /wɑːft/

waft

flotar en el aire
Meaning
to move gently through the air, carried by a breeze
Example
The smell of fresh bread wafted through the kitchen.
El olor de pan fresco flotó por la cocina.
C1 verb /ˈrʌf.l̩/

ruffle

desordenar, molestar
Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
El viento desordenó su cabello.
C1 noun /ʌnˈfeɪθfʊlnəs/

unfaithfulness

infidelidad
Meaning
the quality of being disloyal or not faithful; breach of trust or fidelity
Example
His unfaithfulness led to the end of their marriage.
Su infidelidad llevó al fin de su matrimonio.
C1 noun /ɪnˈdem.nə.ti/

Indemnity

indemnización
Meaning
security or protection against a loss or other financial burden; compensation for damage or loss
Example
The insurance company provided full indemnity for the damages caused by the flood.
La compañía de seguros proporcionó indemnización completa por los daños causados por la inundación.
C1 noun /ˈvaɪəˌleɪtər/

violator

infractor
Meaning
A person who breaks or disregards a law, rule, or agreement.
Example
The police caught the traffic violator at the intersection.
La policía atrapó al infractor de tráfico en la intersección.
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

de sabor intenso
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
Él prefiere un vino tinto de sabor intenso con su cena.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

encarcelamiento
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Se enfrentó al encarcelamiento por violar la orden judicial.
C1 noun /ˈsɔːjər/

Sawyer

aserrador
Meaning
a person who saws wood, especially as an occupation
Example
The skilled sawyer cut the logs into planks.
El hábil aserrador cortó los troncos en tablones.
C1 verb /ˈdaʊn.pleɪ/

downplay

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

magnificence

magnificencia
Meaning
splendor, grandeur, or impressive beauty
Example
The magnificence of the palace left everyone speechless.
La magnificencia del palacio dejó a todos sin palabras.
C1 noun /ˈtiːdiəm/

tedium

tedio
Meaning
the state of being tedious; monotony or boredom
Example
The tedium of long meetings often drains motivation.
El tedio de las largas reuniones a menudo drena la motivación.
C1 adjective, verb /ˈeɪlɪŋ/

ailing

enfermo
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
El paciente enfermo comenzó a recuperarse lentamente después del tratamiento.
C1 adjective ˈsɛd(ə)ntəri

sedentary

sedentario
Meaning
Characterized by much sitting and little physical activity.
Example
A sedentary lifestyle can lead to numerous health problems.
Un estilo de vida sedentario puede conducir a numerosos problemas de salud.
C1 adjective /ˈriːɡəl/

regal

real
Meaning
Resembling or fit for a king; majestic or royal.
Example
The queen entered the hall with a regal presence.
La reina entró al salón con una presencia real.
C1 noun /ɪˈreləvəns/

irrelevance

irrelevancia
Meaning
the quality of not being connected to or important for a particular matter; lack of significance
Example
His long explanation only highlighted the irrelevance of the details to the main issue.
Su larga explicación solo resaltó la irrelevancia de los detalles para el tema principal.
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

delicadeza; un alimento delicado o costoso;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
El chef preparó una delicadeza local que era famosa en toda la región.
C1 noun /ˈdɒktrɪn/

doctrine

doctrina
Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
La iglesia sigue una estricta doctrina sobre los valores morales.
C1 verb dɪˈlɪnieɪt

delineate

delinear
Meaning
To describe or portray something precisely
Example
The artist delineated the scene in intricate detail.
El artista delineó la escena con detalles intrincados.
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 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 adjective /pəˈrɛniəl/

perennial

perenne
Meaning
lasting or existing for a long time, or recurring continually
Example
Climate change is a perennial concern for scientists.
El cambio climático es una preocupación perenne para los científicos.
C1 verb /ˈpæmpər/

pamper

mimar / consentir
Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
Los padres a menudo miman a su primer hijo.
C1 adjective /ˈɪəri/

eerie

extraño
Meaning
Strange and frightening in a mysterious way.
Example
The abandoned house had an eerie silence.
La casa abandonada tenía un extraño silencio.
C1 verb /dɪˈfrɔːd/

defraud

defraudar
Meaning
to illegally take money or valuables from someone by deception
Example
The company was accused of trying to defraud investors.
La empresa fue acusada de intentar defraudar a los inversores.
C1 noun /rɪˈpɑːzɪtɔːri/

repository

repositorio
Meaning
a place where things are stored or kept for safekeeping
Example
The library serves as a repository of knowledge.
La biblioteca sirve como un repositorio de conocimiento.
C1 noun /ˈnaɪt.hʊd/

knighthood

caballerosidad
Meaning
The rank or dignity of a knight, or the ceremony of conferring knighthood.
Example
He was honored with knighthood for his contributions to science.
Fue honrado con la caballerosidad por sus contribuciones a la ciencia.
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 noun /ˌhaɪ.roʊˈɡlɪf.ɪks/

hieroglyphics

jeroglíficos
Meaning
a system of writing using pictures or symbols, used especially by ancient Egyptians
Example
The tomb walls were covered with Egyptian hieroglyphics.
Las paredes de la tumba estaban cubiertas con jeroglíficos egipcios.
C1 adverb /ˈɒp.tɪ.məl.i/

optimally

de manera óptima
Meaning
In the most effective or efficient way possible.
Example
Tasks should be allocated optimally for maximum output.
Las tareas deben asignarse de manera óptima para obtener el máximo rendimiento.
C1 adjective /ʌnˈkʌltʃəd/

Uncultured

incivilizado; sin educación
Meaning
lacking good manners, refinement, or education; uncivilized
Example
His uncultured behavior embarrassed everyone at the dinner party.
Su comportamiento incivilizado avergonzó a todos en la fiesta de la cena.
C1 verb /ɪˈnʌnsieɪt/

enunciate

enunciar
Meaning
to pronounce words clearly; to express an idea clearly
Example
The teacher asked him to enunciate each word.
El maestro le pidió que enunciara cada palabra.
C1 adjective /ˈkwɑː.drʊ.pəl/

Quadruple

cuádruple
Meaning
four times as much or as many; consisting of four parts
Example
The company's profits have shown quadruple growth this year.
Las ganancias de la empresa han mostrado un crecimiento cuádruple este año.
C1 verb /ˌpriːˈmɛdɪteɪt/

premeditate

premeditar
Meaning
to think about and plan something (especially a crime) beforehand
Example
The suspect was accused of premeditating the crime.
El sospechoso fue acusado de premeditar el crimen.
C1 verb /ˈræʃənəlaɪz/

rationalize

racionalizar
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
Ella trató de racionalizar su retraso culpando al tráfico.
C1 noun ˈsɒl.vən.si

solvency

la posesión de activos en exceso de pasivos; capacidad para pagar deudas
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
La solvencia de la empresa mejoró después de la reestructuración.
C1 adjective /ˈraʊzɪŋ/

rousing

emocionante
Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
El orador dio un discurso emocionante que movió a la audiencia.
C1 noun /ˈpreɪsiː/

precis

resumen
Meaning
A concise summary of a text or speech.
Example
The student submitted a précis of the long article.
El estudiante entregó un resumen del largo artículo.
C1 verb /bʌdʒ/

budge

mover ligeramente / cambiar de opinión o posición
Meaning
To move slightly; to change one’s opinion or position.
Example
Despite the pressure, he refused to budge from his decision.
A pesar de la presión, él se negó a moverse de su decisión.
C1 adjective /ˌsʌbˈkɒn.ʃəs/

subconscious

subconsciente
Meaning
Of or concerning the part of the mind which one is not fully aware of but which influences actions and feelings.
Example
Fears often come from the subconscious mind.
Los miedos a menudo provienen de la mente subconsciente.
C1 noun /ɪnˈtaɪərəti/

entirety

entereza
Meaning
the whole of something; the complete form
Example
He watched the movie in its entirety.
Vio la película en su totalidad.
C1 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

resolución diplomática
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
Es necesaria una resolución diplomática para la paz.
C1 noun /ˈsɪməli/

simile

símil
Meaning
A figure of speech involving the comparison of one thing with another using 'like' or 'as'.
Example
She used a simile to describe her eyes as bright as stars.
Ella usó un símil para describir sus ojos tan brillantes como las estrellas.
C1 noun ɪˈveɪ.ʒən

evasion

evasión
Meaning
The practice of avoiding or escaping from something, especially responsibility or duty.
Example
His evasion of responsibilities frustrated his colleagues.
Su evasión de responsabilidades frustró a sus colegas.
C1 verb /ˈplʌm.ɪt/

plummet

caer verticalmente a alta velocidad
Meaning
to fall straight down at high speed
Example
Stock prices plummeted after the sudden market crash.
Los precios de las acciones cayeron repentinamente después del colapso del mercado.
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 adjective /kəˈrəʊsɪv/

corrosive

corrosivo, dañino
Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
El producto químico es altamente corrosivo y debe manejarse con cuidado.
C1 noun /ˈhæm.lət/

Hamlet

pequeña aldea
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
La pequeña aldea enclavada en el valle tenía solo una docena de casas y una pequeña iglesia.
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 /ænˈtɪriər/

anterior

anterior
Meaning
Situated at or toward the front; coming before in position or time.
Example
The anterior part of the brain controls logical thinking.
La parte anterior del cerebro controla el pensamiento lógico.
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

discrecional
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
Él apartó algo de ingreso discrecional para viajar.
C1 verb /ˈkɒnsɪkreɪt/

consecrate

consagrar
Meaning
to make something sacred, usually through a religious ceremony
Example
The church was consecrated by the bishop.
La iglesia fue consagrada por el obispo.
C1 noun /ˈʃoʊ.və.nɪst/

chauvinist

persona excesivamente parcial
Meaning
A person displaying excessive or prejudiced loyalty to a group, cause, or gender.
Example
He was labeled a chauvinist after his remarks about women in the workplace.
Fue etiquetado como chauvinista después de sus comentarios sobre las mujeres en el lugar de trabajo.
C1 adjective /dɪˈlɪriəs/

delirious

delirante
Meaning
in an extremely disturbed or excited state of mind, often due to illness or emotion
Example
He was delirious with fever and kept muttering nonsense.
Él estaba delirante con fiebre y seguía murmurando tonterías.
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 /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 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 verb /səˈkʌm/

succumb

sucumbir
Meaning
To give in to pressure, temptation, or illness; to yield or fail to resist.
Example
He finally succumbed to his illness after a long struggle.
Finalmente sucumbió a su enfermedad después de una larga lucha.
C1 noun /juːnəˈnɪməti/

Unanimity

unanimidad
Meaning
complete agreement among all members of a group
Example
The committee reached unanimity on the new policy.
El comité alcanzó la unanimidad sobre la nueva política.
C1 adjective /ɪˈɡriːdʒəs/

egregious

atroz
Meaning
Outstandingly bad; shocking.
Example
The company was fined for its egregious safety violations.
La empresa fue multada por sus atroces violaciones de seguridad.
C1 adjective /pərˈtɜːrbd/

perturbed

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

scotch

poner fin / whisky escocés
Meaning
to put an end to something; also a type of whisky
Example
The report scotched the rumors of a merger.
El informe puso fin a los rumores sobre una fusión.
C1 verb /ˈbəʊl.stər/

bolster

fortalecer
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
La nueva política tiene como objetivo reforzar el crecimiento económico.
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 /ˈsɪstərhʊd/

sisterhood

hermandad
Meaning
The relationship between sisters, or a community of women united by shared experiences or goals.
Example
The feminist movement created a strong sense of sisterhood among women.
El movimiento feminista creó un fuerte sentido de hermandad entre las mujeres.
C1 adjective /ˌhaɪəˈrɑː.kɪ.kəl/

hierarchical

jerárquico
Meaning
arranged in order of rank or authority
Example
The company has a strict hierarchical structure.
La empresa tiene una estructura jerárquica estricta.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifallo
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Los ingenieros instalaron un mecanismo antifallo en la planta nuclear.
C1 noun /ˈθɪk.ɪt/

Thicket

matorral; espesura de arbustos
Meaning
a dense group of bushes or trees; a thick growth of shrubs
Example
The rabbit disappeared into the thicket.
El conejo desapareció en el matorral.
C1 verb /ˈskʌt.əl/

scuttle

felicidad
Meaning
To run hurriedly with short, quick steps; or to deliberately sink a ship.
Example
The children scuttled back to their seats when the teacher entered.
Ella no podía ocultar su felicidad cuando recibió el premio.
C1 adjective /ˈflaʊəri/

flowery

florido / ornamentado
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
Ella escribió una carta florida llena de frases poéticas.
C1 adjective ˈriːdʒən spəˈsɪfɪk

region-specific

específico de la región
Meaning
Relating to or characteristic of a particular region or area.
Example
Climate change impacts are region-specific.
Los impactos del cambio climático son específicos de la región.
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 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 /ˈdek.stər.əs/

dexterous

diestro
Meaning
Showing or having skill, especially with the hands; mentally adroit and skillful.
Example
A dexterous programmer can write complex codes effortlessly.
Un programador diestro puede escribir códigos complejos sin esfuerzo.
C1 verb /kənˈtraɪv/

contrive

idear
Meaning
to plan or devise cleverly or skillfully
Example
She contrived a clever plan to surprise her friends.
Ella ideó un plan ingenioso para sorprender a sus amigos.
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 noun /hɑːrp/

Harp

arpa
Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
El ángel tocó una hermosa melodía en el arpa.
C1 adjective /ˈluːdɪkrəs/

ludicrous

absurdo
Meaning
so foolish, unreasonable, or out of place as to be amusing
Example
It is ludicrous to think the Earth is flat.
Es absurdo pensar que la Tierra es plana.
C1 noun /ˈnɔː.zi.ə/

Nausea

náusea
Meaning
a feeling of sickness with an inclination to vomit
Example
The motion of the boat caused severe nausea.
El movimiento del bote causó una náusea severa.
C1 adjective ˈɪn.lənd

Inland

del interior
Meaning
Situated in the interior of a country; away from the coast.
Example
Inland transport boosts local trade.
El transporte del interior impulsa el comercio local.
C1 noun /krʌks/

crux

el núcleo
Meaning
the most important or decisive point of an issue
Example
The crux of the problem lies in poor communication.
El núcleo del problema radica en la mala comunicación.
C1 adverb /ˈvælɪdli/

validly

válidamente
Meaning
in a legally, logically, or officially acceptable manner
Example
The contract was validly signed by both parties.
El contrato fue firmado válidamente por ambas partes.
C1 noun /ˌpæn.əˈræm.ə/

panorama

vista panorámica
Meaning
An unbroken view of the whole region surrounding an observer.
Example
From the hilltop, we enjoyed a breathtaking panorama of the city.
Desde la cima de la colina, disfrutamos de un impresionante panorama de la ciudad.
C1 adjective /ˈfrɪvələs/

frivolous

frívolo
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
Ella desestimó la queja frívola rápidamente.
C1 verb /ˈhaɪbərˌneɪt/

hibernate

hibernar
Meaning
To spend the winter in a dormant state, as some animals do.
Example
Bears hibernate in caves during the winter.
Los osos hibernan en cuevas durante el invierno.
C1 noun /ˌlɪbəˈreɪʃən wɔːr/

liberation war

guerra de liberación
Meaning
a war fought to gain freedom from foreign rule, occupation, or oppression; an armed struggle for national independence
Example
The liberation war reshaped the nation’s history and identity.
La guerra de liberación transformó la historia del país.
C1 noun/verb /pɔːr/

pore

poros / estudiar cuidadosamente
Meaning
As a noun: a tiny opening in the skin or surface. As a verb: to study something carefully.
Example
She pored over the documents for hours before making a decision.
Ella estudió los documentos durante horas antes de tomar una decisión.
C1 adjective /ˈɑp.ər.ə.tɪv/

Operative

activo; en efecto; funcionando; operativo;
Meaning
Functioning; in effect; working; active;
Example
The new safety protocols became operative immediately after the accident.
Los nuevos protocolos de seguridad se volvieron operativos inmediatamente después del accidente.
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 /ˈhæŋ.ər/

Hangar

hangar
Meaning
a large building with extensive floor area, typically for housing aircraft; an aircraft shelter
Example
The airplane was stored safely in the hangar during the severe thunderstorm.
El avión fue guardado de forma segura en el hangar durante la tormenta severa.
C1 noun /ˈkɑːrdəməm/

Cardamom

cardamomo
Meaning
aromatic seeds from a plant in the ginger family, used as a spice
Example
The recipe calls for a pinch of ground cardamom.
La receta requiere un poco de cardamomo molido.
C1 noun ˈɛf.lu.ənt

effluent

aguas residuales o contaminadas
Meaning
Liquid waste or sewage discharged into a river or the sea.
Example
Factory effluent contaminates nearby rivers and lakes.
El efluente de la fábrica contamina los ríos y lagos cercanos.
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 /ˈsiːskeɪp/

seascape

paisaje marino
Meaning
A view or painting of the sea.
Example
The artist painted a beautiful seascape at sunset.
El artista pintó un hermoso paisaje marino al atardecer.
C1 verb /rɪˈzaʊnd/

resound

resonar
Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
El salón resonó con aplausos.
C1 adjective /ˈpʌlməˌneri/

pulmonary

pulmonar
Meaning
relating to the lungs
Example
The patient suffered from a serious pulmonary infection.
El paciente sufrió una grave infección pulmonar.
C1 noun /siˈɛrə klʌb/

Sierra Club

Sierra Club
Meaning
An American environmental organization founded in 1892 by John Muir, focused on promoting conservation of the natural environment by influencing public policy decisions.
Example
John Muir founded the Sierra Club in 1892 to protect wild areas.
John Muir fundó el Sierra Club en 1892 para proteger áreas salvajes.
C1 verb /dɪˈfaɪl/

defile

profanar
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
El río fue profanado por desechos industriales.
C1 noun /moʊˈzeɪɪk/

mosaic

mosaico
Meaning
A picture or pattern produced by arranging together small pieces of stone, tile, or glass.
Example
The church ceiling was decorated with a beautiful mosaic.
El techo de la iglesia estaba decorado con un hermoso mosaico.
C1 verb /kənˈsɛptʃuəlaɪz/

conceptualize

conceptualizar
Meaning
to form an idea or concept of something in your mind
Example
The artist conceptualized a new design for the exhibition.
El artista conceptualizó un nuevo diseño para la exposición.
C1 noun, verb /ˈmæn.deɪt/

mandate

mandato
Meaning
an official order or command; to give someone authority to act in a certain way
Example
The government issued a mandate to reduce carbon emissions.
El gobierno emitió un mandato para reducir las emisiones de carbono.
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 /tækˈtɪʃ.ən/

tactician

estratega
Meaning
a person who is skilled at planning and achieving goals, especially in military or business
Example
Napoleon was a brilliant tactician.
Napoleón era un brillante táctico.