stupor
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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 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 verb trænˈsɛnd

transcend

trascender
Meaning
To go beyond the limits of something; to surpass or exceed
Example
His effort to transcend traditional methods was commendable.
Su esfuerzo por trascender los métodos tradicionales fue encomiable.
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 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 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 noun /ˈæptɪˌtjuːd/

aptitude

aptitud
Meaning
a natural ability or talent to do something well
Example
She has a strong aptitude for learning new languages.
Ella tiene una gran aptitud para aprender nuevos idiomas.
C1 adjective /ˌɔːrθəˈpiːdɪk/

orthopedic

relacionado con la corrección de deformidades óseas o musculares
Meaning
Relating to the correction of deformities of bones or muscles.
Example
She visited an orthopedic surgeon for her back pain.
Ella visitó a un cirujano ortopédico por el dolor en la espalda.
C1 noun /əˈvɜːrʒən/

aversion

aversión
Meaning
a strong feeling of dislike or unwillingness towards something
Example
She has a strong aversion to smoking.
Ella tiene una fuerte aversión al fumar.
C1 adjective /ɪnˈsɪdiəs/

insidious

insidioso
Meaning
Proceeding in a gradual, subtle way but with harmful effects.
Example
The insidious spread of misinformation can damage trust.
La propagación insidiosa de la desinformación puede dañar la confianza.
C1 adjective ˌɜː.ɡəˈnɒm.ɪk

ergonomic

diseño ergonómico
Meaning
Designed for efficiency and comfort in the working environment; user-friendly and reducing strain.
Example
The chair has an ergonomic design for better posture.
La silla tiene un diseño ergonómico para una mejor postura.
C1 noun /ˌmjuːnɪsɪˈpæləti/

municipality

municipalidad
Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
La municipalidad está planeando construir una nueva biblioteca.
C1 noun /ˌædəˈreɪʃən/

adoration

adoración / amor profundo
Meaning
deep love and respect; worship
Example
The fans showed their adoration for the singer.
Los fanáticos mostraron su adoración por el cantante.
C1 noun /ˈruː.bi/

Ruby

rubí
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
El anillo de rubí era su posesión más preciada.
C1 verb /ˌoʊvərˈʃædoʊ/

overshadow

opacar
Meaning
to appear more important or significant than something else, reducing its impact
Example
The scandal overshadowed his achievements.
El escándalo opacó sus logros.
C1 noun /toʊm/

tome

gran libro
Meaning
a large, heavy book, often scholarly or serious in nature
Example
She spent the afternoon reading an old tome on medieval history.
Pasó la tarde leyendo un viejo gran libro sobre historia medieval.
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 /ˈsʌlən/

sullen

gruñón
Meaning
bad-tempered and gloomy; silently resentful
Example
She gave him a sullen look and walked away.
Ella le dio una mirada gruñona y se fue.
C1 noun /ˌɪndɪˈdʒɛstʃən/

indigestion

indigestión
Meaning
Discomfort or pain in the stomach associated with difficulty in digesting food.
Example
He avoided spicy food because it often gave him indigestion.
Él evitó la comida picante porque a menudo le provocaba indigestión.
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 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

intuitivo
Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
El software tiene un diseño intuitivo que lo hace fácil de usar.
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

neuroplasticidad
Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
La neuroplasticidad permite que el cerebro se recablee después de una lesión.
C1 noun /ˌɪrɪˌspɒnsəˈbɪləti/

irresponsibility

irresponsabilidad
Meaning
lack of responsibility or accountability; failure to act in a reliable or sensible way
Example
The accident was caused by his irresponsibility at work.
El accidente fue causado por su irresponsabilidad en el trabajo.
C1 adjective /ˈɡæl.ənt/

gallant

valiente, héroe
Meaning
Brave, heroic, or chivalrous.
Example
The gallant firefighter saved the child from the burning building.
El valiente bombero salvó al niño del edificio en llamas.
C1 adverb /ˈkɔːrdiəli/

Cordially

cordialmente
Meaning
in a warm and friendly manner; sincerely
Example
You are cordially invited to our wedding ceremony.
Estás cordialmente invitado a nuestra ceremonia de boda.
C1 adjective /ʌnˈbraɪdld/

unbridled

desenfrenado
Meaning
Uncontrolled and unrestrained.
Example
The protesters showed unbridled enthusiasm for change.
Los manifestantes mostraron entusiasmo desenfrenado por el cambio.
C1 noun /tɑːrˈpɔːlɪn/

tarpaulin

lona impermeable
Meaning
A large sheet of strong, flexible, water-resistant material used for covering or protecting things.
Example
The workers used a tarpaulin to cover the construction materials from rain.
Los trabajadores usaron una lona impermeable para cubrir los materiales de construcción de la lluvia.
C1 adjective /ˈɡæst.li/

ghastly

espantoso
Meaning
Causing great horror or fear; very unpleasant.
Example
The crime scene was a ghastly sight.
La escena del crimen fue espantosa.
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

incompatibilidad
Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
El proyecto fracasó por la incompatibilidad entre los dos sistemas de software.
C1 noun/verb /skɜːrdʒ/

scourge

maldición / flagelo
Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
La enfermedad y la pobreza siguen siendo una maldición en muchas regiones.
C1 verb /dɪˈluːd/

delude

engañar
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
Él se engañó a sí mismo pensando que podía ganar la carrera sin entrenar.
C1 noun /ˈspɛktər/

specter

espectro
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
El espectro de la guerra todavía acecha la región.
C1 noun /ˈpɪl.fər.ɪdʒ/

Pilferage

hurto
Meaning
the theft of small amounts or items, especially from one's workplace
Example
The company installed cameras to prevent pilferage.
La empresa instaló cámaras para prevenir el hurto.
C1 noun /ˌtɒləˈreɪʃən/

toleration

tolerancia
Meaning
The practice of allowing something that one does not necessarily agree with.
Example
The government promoted religious toleration.
El gobierno promovió la tolerancia religiosa.
C1 noun /ˈhɛrəsi/

heresy

herejía
Meaning
belief or opinion that goes against established religious doctrine or accepted beliefs.
Example
In medieval times, heresy was often punished severely.
En la Edad Media, la herejía a menudo se castigaba severamente.
C1 noun /ɡʌst/

Gust

ráfaga de viento repentina
Meaning
a sudden strong rush of wind; a sudden burst or outburst of feeling
Example
A powerful gust of wind knocked over the outdoor umbrellas at the cafe.
Una ráfaga poderosa de viento derribó las sombrillas exteriores en el café.
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 /ˌɪn.trəˈspekt/

introspect

introspectar
Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
Él a menudo se introspecta antes de tomar decisiones importantes.
C1 adjective /ˈfɪs.kəl/

fiscal

fiscal
Meaning
Relating to government revenue, especially taxes, or public money management.
Example
The government introduced new fiscal policies to control inflation.
El gobierno introdujo nuevas políticas fiscales para controlar la inflación.
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

empobrecer
Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
La larga guerra empobreció a toda la nación.
C1 noun /ˈpɛnənt/

pennant

banderín
Meaning
A tapering flag used for signaling or as an emblem of victory or achievement.
Example
The team raised the championship pennant proudly.
El equipo levantó con orgullo el banderín del campeonato.
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/verb /vɔːlt/

vault

bóveda segura / saltar
Meaning
A secure room for storing valuables; also to leap or spring over something.
Example
The bank kept its gold bars in a secure vault.
El banco guardaba sus lingotes de oro en una bóveda segura.
C1 adjective /ˈʃɪp.ʃeɪp/

Shipshape

ordenado; bien organizado; en buen estado
Meaning
neat and tidy; in good order; well-organized
Example
Everything was shipshape before the inspection.
Todo estaba en perfecto estado antes de la inspección.
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 adjective kəʊˈhiː.sɪv

cohesive

cohesivo
Meaning
Characterized by or causing cohesion; forming a united whole.
Example
The team displayed a cohesive strategy.
El equipo mostró una estrategia cohesionada.
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 adjective /məˈroʊs/

morose

melancólico
Meaning
sullen, gloomy, or ill-tempered
Example
He became morose after losing his job.
Se volvió melancólico después de perder su trabajo.
C1 noun /ˈrɛt.ər.ɪk/

rhetoric

el arte de hablar o escribir de manera efectiva o persuasiva
Meaning
The art of effective or persuasive speaking or writing; skillful use of language to influence others.
Example
Political leaders often use rhetoric to influence people.
Los líderes políticos a menudo utilizan la retórica para influir en la gente.
C1 verb /əˈkwɪt/

acquit

absolver
Meaning
to declare someone not guilty of a criminal charge; to conduct oneself in a specified way
Example
The jury decided to acquit the defendant of all charges.
El jurado decidió absolver al acusado de todos los cargos.
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

sensibilización
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
El doctor advirtió sobre la sensibilización causada por la exposición repetida a productos químicos.
C1 noun /ˈmæl.ɪt/

Mallet

mazo
Meaning
a hammer with a large head, typically made of wood
Example
The carpenter used a rubber mallet to avoid damaging the wood.
El carpintero usó un martillo de goma para evitar dañar la madera.
C1 noun /ˌɛtɪˈmɒlədʒi/

etymology

etimología
Meaning
The study of the origin of words and how their meanings and forms have evolved.
Example
The etymology of the word 'salary' comes from the Latin word for salt.
La etimología de la palabra 'salario' proviene de la palabra latina para sal.
C1 adjective /ˌpæθəˈlɑːdʒɪkəl/

pathological

patológico, enfermizo
Meaning
Relating to disease; extreme or obsessive in a way that is abnormal.
Example
He has a pathological fear of failure.
Él tiene un miedo patológico al fracaso.
C1 verb /trænˈspaɪər/

transpire

suceder
Meaning
to occur, happen, or become known
Example
It transpired that he had lied about his age.
Resultó que él había mentido sobre su edad.
C1 adjective pərˈnɪʃəs

pernicious

perjudicial, nocivo
Meaning
Having a harmful effect, especially in a gradual or subtle way.
Example
The pernicious effects of smoking are well-documented.
Los efectos perjudiciales del fumar están bien documentados.
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 /ˈtriːtɪs/

treatise

tratado
Meaning
a formal and systematic written work dealing with a subject in detail
Example
He wrote a treatise on modern economic theory.
Escribió un tratado sobre la teoría económica moderna.
C1 noun /rɪt/

writ

auto judicial
Meaning
A formal written order issued by a court.
Example
The judge issued a writ of habeas corpus.
El juez emitió un auto de habeas corpus.
C1 adjective /ˈmɔːrbɪd/

morbid

interés anormal en temas perturbadores o desagradables
Meaning
Having an abnormal interest in disturbing or unpleasant subjects such as death or disease.
Example
She had a morbid fascination with crime stories.
Ella tenía una fascinación mórbida por las historias de crímenes.
C1 verb /klɪntʃ/

clinch

asegurar
Meaning
To secure or settle something decisively; to grasp tightly.
Example
The team clinched the championship with a last-minute goal.
El equipo aseguró el campeonato con un gol en el último minuto.
C1 verb /dɪˈflɛkt/

deflect

desviar / eludir
Meaning
to cause something to change direction; to avoid answering directly
Example
The shield deflected the incoming arrow.
El escudo desvió la flecha entrante.
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 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

ineficaz
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
El liderazgo ineficaz del gerente hizo que el equipo perdiera la motivación.
C1 noun/verb /rɪˈproʊtʃ/

reproach

reproche / crítica
Meaning
An expression of disapproval or disappointment; to criticize someone for doing wrong.
Example
She reproached him for arriving late to the meeting.
Ella le reprochó por llegar tarde a la reunión.
C1 verb /ˈkɒr.ə.leɪt/

correlate

establecer una relación
Meaning
To have a mutual relationship or connection; to establish a relationship between two or more things.
Example
Researchers found that diet and mental health correlate strongly.
Los investigadores descubrieron que la dieta y la salud mental se correlacionan fuertemente.
C1 noun dɪˌlɪb.əˈreɪ.ʃən

deliberation

deliberación
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
El acuerdo se finalizó después de mucha deliberación.
C1 noun /kriːd/

creed

creencia, principio
Meaning
A system of religious or spiritual beliefs or a guiding principle.
Example
Freedom of speech is part of his personal creed.
La libertad de expresión es parte de su credo personal.
C1 adjective /ˈplaɪənt/

pliant

flexible, fácilmente influenciable o adaptable
Meaning
flexible; easily influenced or adaptable
Example
She has a pliant personality that adapts well to new situations.
Ella tiene una personalidad flexible que se adapta bien a nuevas situaciones.
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

nutrición
Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
La nutrición adecuada es esencial para el desarrollo infantil.
C1 noun /ˈmʌltɪtuːd/

multitude

multitud
Meaning
A large number of people or things.
Example
A multitude of fans gathered at the stadium.
Una multitud de fanáticos se reunió en el estadio.
C1 noun /weɪl/

Wail

llanto; gemido
Meaning
a prolonged cry of pain, grief, or anger; to cry loudly
Example
The child's wail could be heard throughout the house.
El llanto del niño se escuchó por toda la casa.
C1 verb /drɛntʃ/

drench

empapar
Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
La lluvia repentina empapó a los jugadores en el campo.
C1 noun /lʌmp/

Lump

bulto; trozo; pedazo
Meaning
a compact mass of a substance, especially one without a definite or regular shape
Example
She found a lump of sugar in the bowl.
Ella encontró un trozo de azúcar en el tazón.
C1 verb /səbˈdjuː/

subdue

someter
Meaning
To bring under control, especially by force; to overcome or quiet.
Example
The army was able to subdue the rebellion quickly.
El ejército pudo someter la rebelión rápidamente.
C1 noun /ˌtæm.bəˈriːn/

Tambourine

pandereta
Meaning
a small drum with metal discs around the edge that jingle when shaken or hit
Example
She shook the tambourine to the rhythm of the music.
Ella sacudió el tamborín al ritmo de la música.
C1 adjective /kənˈdʒenɪtl/

congenital

congénito
Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
El niño nació con un defecto congénito en el corazón.
C1 adjective /ˈsɛn.sər.i/

sensory

sensorial
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
La retroalimentación sensorial mejora la experiencia de VR.
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 /dɪˈsiːtfəl/

deceitful

engañoso
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
Ella dio una respuesta engañosa para ocultar la verdad.
C1 adjective /ˌmed.iˈiː.vəl/

Mediaeval

medieval
Meaning
relating to the Middle Ages; medieval
Example
The castle displayed mediaeval architecture and design.
El castillo mostraba arquitectura y diseño medieval.
C1 noun dɪˌtɪə.ri.əˈreɪ.ʃən

deterioration

deterioro
Meaning
The process of becoming progressively worse; decline in quality, condition, or strength.
Example
Poor maintenance leads to material deterioration.
El mal mantenimiento conduce a la deterioración del material.
C1 noun /maɪm/

Mime

mimo; actor de mimo
Meaning
A performer who acts without words, using only gestures and body movements
Example
The street mime entertained the crowd with his invisible box routine.
El mimo callejero entretuvo a la multitud con su rutina de caja invisible.
C1 noun /blɪs/

Bliss

dicha perfecta; gran alegría
Meaning
perfect happiness; great joy
Example
She felt pure bliss while watching the beautiful sunset.
Ella sintió una dicha pura mientras observaba la hermosa puesta de sol.
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 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 noun /ɪkˈspoʊnənt/

exponent

exponente
Meaning
a person who supports, promotes, or explains an idea; in math, a symbol denoting power
Example
She is a leading exponent of modern dance.
Ella es una de las principales exponentes de la danza moderna.
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 /ˈskrʌfi/

Scruffy

desaliñado o desordenado en apariencia; sucio y desgastado
Meaning
untidy or unkempt in appearance; shabby and worn
Example
The scruffy old dog wandered through the streets looking for food.
El perro desaliñado caminó por las calles buscando comida.
C1 noun /kənˈfɔːrməns/

conformance

conformidad
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
El producto fue probado para su conformidad con los estándares de seguridad.
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 /ˈkoʊtʃ.mən/

Coachman

cochero
Meaning
a person who drives a horse-drawn carriage or coach
Example
The coachman skillfully guided the horses through the busy streets.
El cochero guió hábilmente los caballos a través de las calles concurridas.
C1 verb /ɪnˈdʒen.dər/

engender

provocar
Meaning
To cause or give rise to a feeling, situation, or condition.
Example
The speech engendered hope among the people.
El discurso provocó esperanza entre la gente.
C1 verb /ˌoʊvərˈθroʊ/

overthrow

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

Malnutrition

malnutrición; nutrición deficiente
Meaning
Lack of proper nutrition; poor nourishment
Example
Malnutrition among children is a serious public health concern.
La malnutrición entre los niños es una grave preocupación de salud pública.
C1 verb /ˈbɛkən/

beckon

hacer señas
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
Ella le hizo señas para que se acercara con la mano.
C1 noun /ˈstoʊəˌweɪ/

stowaway

polizón
Meaning
A person who hides on a ship, plane, or other vehicle in order to travel secretly without paying.
Example
The crew discovered a stowaway hiding in the cargo hold.
La tripulación descubrió un polizón escondido en el compartimento de carga.
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 noun /ˈkɔːkəs/

caucus

reunión política
Meaning
A meeting of members of a political party to select candidates or decide policy.
Example
The party held a caucus to nominate their candidate for president.
El partido celebró una reunión para nominar a su candidato presidencial.
C1 adjective /ʌnˈsɪvəlaɪzd/

Uncivilized

incivilizado; salvaje;
Meaning
not developed in terms of civilization; lacking social organization and culture; barbarous
Example
The explorers encountered an uncivilized tribe deep in the Amazon rainforest.
Los exploradores encontraron una tribu incivilizada en lo profundo de la selva amazónica.
C1 verb ˈsɪŋ.krə.naɪz

synchronize

sincronizar
Meaning
To coordinate in time; to cause to occur or operate at the same time or rate.
Example
The dancers need to synchronize their movements.
Los bailarines necesitan sincronizar sus movimientos.
C1 adjective /ɪˈlɪsɪt/

illicit

ilícito
Meaning
Forbidden by law, rules, or custom.
Example
The police shut down the illicit drug operation.
La policía cerró la operación de drogas ilícitas.
C1 noun /djuːn/

dune

duna
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
Los niños jugaban en la duna de arena junto a la playa.
C1 noun ˈstræt.ə.sfɪər

stratosphere

estratósfera
Meaning
The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.
Example
The stratosphere provides a unique environment.
La estratósfera proporciona un entorno único.
C1 adjective /məˈnɒtənəs/

Monotonous

monótono; aburrido; repetitivo
Meaning
lacking in variety; tediously unvarying; boring and repetitive
Example
The monotonous sound of the rain made everyone feel sleepy.
El sonido monótono de la lluvia hizo que todos se sintieran somnolientos.
C1 noun /ˈfɪʃ.ər/

fissure

fisura
Meaning
a long, narrow opening or crack in a surface or object
Example
The earthquake caused a deep fissure in the road.
El terremoto causó una fisura profunda en la carretera.
C1 adjective vəˈreɪ.ʃəs

voracious

voraz
Meaning
Having a very eager approach to an activity; wanting or devouring great quantities of food or having an insatiable appetite.
Example
He has a voracious appetite for knowledge.
Él tiene un apetito voraz por el conocimiento.
C1 verb ɪɡˈzæsərbeɪt

exacerbate

agravar
Meaning
To make a problem, bad situation, or negative feeling worse.
Example
Climate change exacerbates flooding issues.
El cambio climático agrava los problemas de inundación.
C1 noun /straɪf/

strife

conflicto, lucha
Meaning
angry or violent conflict; struggle or discord
Example
The region has been torn apart by political strife.
La región ha sido desgarrada por el conflicto político.
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 verb /riˈɪtəreɪt/

reiterate

reiterar
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
El maestro reiteró la importancia de la honestidad.
C1 noun /ˌɪntərˈmɪʃən/

intermission

intermedio
Meaning
A pause or break, especially during a performance or event.
Example
The play had a twenty-minute intermission.
La obra tuvo un intermedio de veinte minutos.
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 /ˌɒstɛnˈteɪʃəs/

ostentatious

ostentoso
Meaning
Characterized by a showy or pretentious display intended to impress others.
Example
He wore an ostentatious gold chain to the party.
Llevaba una cadena de oro ostentosa en la fiesta.
C1 noun /ˈfren.zi/

Frenzy

frenesí
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
El anuncio de la venta creó una locura de compras en el centro comercial.
C1 noun/verb /ˈræfəl/

raffle

venta de boletos de lotería
Meaning
A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.
Example
The charity decided to raffle a bicycle to raise funds.
La caridad decidió rifar una bicicleta para recaudar fondos.
C1 noun /ˈfɔɪeɪr/

foyer

vestíbulo
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
Los huéspedes esperaron en el vestíbulo del hotel antes de registrarse.
C1 noun /sɪr/

seer

vidente
Meaning
A person who is supposed to be able to see what will happen in the future; a prophet.
Example
The seer predicted a great change in the kingdom.
El vidente predijo un gran cambio en el reino.
C1 verb /əˈpreɪz/

appraise

evaluar
Meaning
to evaluate the value, quality, or importance of something
Example
The jeweler appraised the diamond before buying it.
El joyero evaluó el diamante antes de comprarlo.
C1 noun /ˈleθ.ər.dʒi/

Lethargy

letargo; cansancio e inactividad
Meaning
a lack of energy and enthusiasm; tiredness and inactivity
Example
The hot weather caused a feeling of lethargy.
El clima cálido causó una sensación de letargo.
C1 verb /ˈrævɪdʒ/

ravage

devastar
Meaning
to cause severe and extensive damage or destruction
Example
The hurricane ravaged the coastal villages.
El huracán devastó las aldeas costeras.