Unilateral
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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 verb ɪˈmɜːrs

immerse

sumergir
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
Sumérgete en el nuevo idioma.
C1 noun ɪˌræd.ɪˈkeɪ.ʃən

eradication

erradicación
Meaning
The complete destruction or elimination of something unwanted.
Example
Carbon eradication is a key goal of the project.
La erradicación del carbono es una meta clave del proyecto.
C1 noun /ˈprɛljuːd/

prelude

preludio
Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
La pequeña pelea fue solo un preludio de un conflicto mayor.
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

contrademanda
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
El demandado presentó una contrademanda contra el demandante.
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 verb /ˈwɒb.l̩/

wobble

tambalear
Meaning
to move unsteadily from side to side; to shake or tremble slightly
Example
The table began to wobble when he leaned on it.
La mesa comenzó a tambalear cuando él se apoyó sobre ella.
C1 noun /ˈpɛntəɡən/

pentagon

pentágono
Meaning
A plane figure with five straight sides and five angles; also refers to the US Department of Defense building.
Example
The Pentagon is one of the most iconic government buildings in the United States.
El Pentágono es uno de los edificios gubernamentales más icónicos de los Estados Unidos.
C1 adjective /ˈprɪvi/

privy

conocimiento secreto
Meaning
having access to secret or private knowledge
Example
She was privy to the confidential discussions.
Ella estaba al tanto de las discusiones confidenciales.
C1 verb /rɪˈtrækt/

retract

retirar
Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
La empresa retractó su declaración anterior después de darse cuenta del error.
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

Ilógico
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
Sería ilógico nadar en un clima tan frío.
C1 adjective /ˈreɡ.jʊ.lə.tər.i/

Regulatory

regulatorio
Meaning
Having the power to control or govern something through rules and regulations.
Example
The government enforces regulatory policies for financial stability.
El gobierno aplica políticas regulatorias para la estabilidad financiera.
C1 noun /ˈmɒn.ə.təʊn/

monotone

tono monótono
Meaning
A continuous sound, especially of a person's voice, that does not rise and fall in pitch.
Example
The teacher's monotone made the lecture hard to follow.
El tono monótono del profesor hizo que la conferencia fuera difícil de seguir.
C1 verb /ˌriːˈtʌtʃ/

retouch

retocar
Meaning
To improve or repair a picture, photograph, or image by making small changes.
Example
The photographer retouched the image to remove blemishes.
El fotógrafo retocó la imagen para eliminar manchas.
C1 verb /ˌmɪsɪnˈtɜːrprɪt/

misinterpret

malinterpretar
Meaning
to understand or explain something wrongly
Example
He misinterpreted her silence as agreement.
Él malinterpretó su silencio como un acuerdo.
C1 adjective /ˈpɪt.i.ə.bəl/

pitiable

lastimoso
Meaning
deserving sympathy or compassion
Example
The stray dog looked pitiable in the rain.
El perro callejero parecía lastimoso bajo la lluvia.
C1 adjective /ˈmeɪkˌʃɪft/

makeshift

improvisado
Meaning
used as a temporary substitute; improvised
Example
They used boxes as a makeshift table.
Usaron cajas como una mesa improvisada.
C1 adjective /ˌbaɪˈlæt.ər.əl/

bilateral

bilateral
Meaning
An agreement or relationship between two parties that is mutual, two-sided, or reciprocal.
Example
The two countries signed a bilateral trade agreement.
Los dos países firmaron un acuerdo comercial bilateral.
C1 noun /ˈtrɛʒərər/

treasurer

tesorero
Meaning
a person responsible for managing the financial affairs of an organization
Example
The treasurer presented the annual financial report.
El tesorero presentó el informe financiero anual.
C1 verb /kəˈmɛmɔˌreɪt/

commemorate

conmemorar
Meaning
To honor and remember someone or something through a ceremony or action.
Example
The statue was built to commemorate the fallen heroes.
La estatua fue construida para conmemorar a los héroes caídos.
C1 noun /woʊ/

woe

pena
Meaning
great sorrow, distress, or trouble
Example
Her heart was filled with woe after hearing the sad news.
Su corazón se llenó de pena al escuchar la triste noticia.
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

eficiente en el uso de recursos
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
La agricultura eficiente en el uso de recursos conserva agua y energía.
C1 adjective /mjuːˈnɪsɪpəl/

municipal

municipal
Meaning
relating to a city or town or its local government
Example
The municipal authority is responsible for maintaining the park.
La autoridad municipal es responsable de mantener el parque.
C1 noun /kəˈloʊkwiəˌlɪzəm/

colloquialism

coloquialismo
Meaning
a word or phrase used in informal speech or writing
Example
The novel is full of regional colloquialisms.
La novela está llena de coloquialismos regionales.
C1 noun /ˈnɑv.ɪs/

Novice

novato
Meaning
a person new to or inexperienced in a field or situation; a beginner
Example
As a novice driver, she was very careful on the road.
Como un conductor novato, ella estaba muy cuidadosa en la carretera.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

intocable; más allá de la crítica o el ataque
Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
El CEO parecía intocable a pesar del escándalo.
C1 adverb /ˌmæθəˈmætɪkli/

mathematically

matemáticamente
Meaning
in a way that relates to mathematics; using numbers, formulas, or logical calculation
Example
The problem can be solved mathematically rather than by guesswork.
El problema puede resolverse matemáticamente en lugar de adivinar.
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 adjective /ˈfræɡməntɪd/

fragmented

fragmentado, dividido, incompleto
Meaning
Having been broken into fragments; disjointed or incomplete.
Example
The information was fragmented and difficult to understand.
La información estaba fragmentada y era difícil de entender.
C1 adverb /ˈsɜːrtʃɪŋli/

searchingly

buscadoramente
Meaning
In a way that seems to look for hidden meanings or truth.
Example
She looked at him searchingly, hoping for an honest answer.
Ella lo miró buscando, esperando una respuesta honesta.
C1 adjective /ˌaɪ.di.əˈlɒdʒ.ɪ.kəl/

ideological

ideológico
Meaning
Relating to or based on a system of ideas or beliefs.
Example
The two parties are divided by deep ideological differences.
Las dos partes están divididas por profundas diferencias ideológicas.
C1 noun /ˈkælkjʊləs/

calculus

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

rife

generalizado
Meaning
widespread or common, often in a negative sense
Example
Corruption was rife in the old government system.
La corrupción era generalizada en el antiguo sistema gubernamental.
C1 noun /mjuːˈteɪʃn/

mutation

mutación, cambio genético
Meaning
A change in form, structure, or nature, especially in genetics.
Example
Scientists discovered a genetic mutation that caused the disorder.
Los científicos descubrieron una mutación genética que causó el trastorno.
C1 noun /ˈkiːpˌseɪk/

keepsake

recuerdo
Meaning
An object kept as a reminder of a person, place, or event.
Example
She gave me a small locket as a keepsake of our friendship.
Ella me dio un pequeño medallón como recuerdo de nuestra amistad.
C1 adjective /ˈɡraʊnd.ləs/

Groundless

sin fundamento; infundado
Meaning
without foundation or justification; baseless
Example
His accusations against her were completely groundless.
Sus acusaciones contra ella eran completamente infundadas.
C1 noun /ˈlaɪm.stoʊn/

Lime stone

piedra caliza
Meaning
a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement
Example
The ancient building was made of limestone blocks.
El antiguo edificio estaba hecho de bloques de piedra caliza
C1 noun, verb /ˈfɜːrloʊ/

furlough

licencia temporal
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
Muchos trabajadores fueron puestos en furlough durante la crisis.
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

diversificación
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
La diversificación ayuda a reducir el riesgo de inversión.
C1 adjective /ˈskrʌmpʃəs/

scrumptious

exquisito
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
Ella horneó un exquisito pastel de chocolate para la fiesta.
C1 noun /bəˈbuːn/

Baboon

babuino
Meaning
a large African and Arabian primate with a dog-like snout and colorful buttocks
Example
The baboon troop gathered around the watering hole in the savanna.
El grupo de babuinos se reunió alrededor del agujero de agua en la sabana.
C1 noun /rɪˈfɜːrər/

referrer

referidor
Meaning
a person who directs someone to another person or service
Example
The referrer earned a bonus for recommending a new client.
El referidor ganó un bono por recomendar un nuevo cliente.
C1 noun /ˌfæb.rɪˈkeɪ.ʃən/

fabrication

invención falsa
Meaning
The invention of false or misleading information; a lie or falsehood.
Example
The article was full of fabrication and misleading claims.
El artículo estaba lleno de invenciones falsas y reclamos engañosos.
C1 adjective /ˈprevələnt/

Prevalent

prevalente
Meaning
widespread; existing very commonly; generally occurring
Example
Smoking is still prevalent among teenagers despite health warnings.
Fumar sigue siendo muy común entre los adolescentes a pesar de las advertencias de salud.
C1 noun /ˈwɔː.tər hen/

Water hen

gallineta
Meaning
a waterbird with dark plumage that lives near ponds and wetlands
Example
The water hen swam gracefully across the pond.
La gallineta nadó elegantemente a través del estanque.
C1 noun /ˌdɛtəˈneɪʃən/

detonation

detonación
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
La repentina detonación sacudió todo el edificio.
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

hipócrita y moralista
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
Él dio un discurso hipócrita sobre la honestidad mientras él mismo era corrupto.
C1 adjective /ˈbɑːmi/

balmy

templado y agradablemente cálido; reconfortante.
Meaning
Mild and pleasantly warm; soothing.
Example
We enjoyed a walk on a balmy summer evening.
Disfrutamos de una caminata en una suave tarde de verano.
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 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 adjective /ˌɔː.riˈen.təl/

Oriental

relativo a los países del Este de Asia; oriental
Meaning
relating to the countries of East Asia; eastern
Example
The museum has a beautiful collection of oriental art.
El museo tiene una hermosa colección de arte oriental.
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 verb /trænˈskraɪb/

transcribe

transcribir
Meaning
to make a written copy of spoken words or notes
Example
The secretary transcribed the meeting minutes.
La secretaria transcribió las actas de la reunión.
C1 noun /kəˈθɑːrsɪs/

catharsis

catarsis
Meaning
The process of releasing strong emotions, providing relief.
Example
Writing in her diary was a form of catharsis for her.
Escribir en su diario fue una forma de catarsis para ella.
C1 noun /ˈdæɡ.ər/

Dagger

daga
Meaning
a short knife with a pointed blade used as a weapon
Example
The ancient warrior carried a silver dagger.
El guerrero antiguo llevaba una daga de plata.
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 /rɪˈɡrɛtfəl/

regretful

arrepentido
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
Ella le dio una sonrisa arrepentida mientras se alejaba.
C1 noun /ˈɡoʊld.smɪθ/

Goldsmith

orfebre
Meaning
a person who makes or repairs articles of gold
Example
The goldsmith crafted a beautiful wedding ring.
El orfebre hizo un hermoso anillo de bodas.
C1 noun /ˈmuːdi.nəs/

moodiness

inestabilidad emocional
Meaning
The state of being frequently subject to changes in mood, especially irritability or sadness.
Example
Her moodiness made it difficult to predict how she would react.
Su inestabilidad emocional hacía difícil predecir cómo reaccionaría.
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

asimilar completamente; absorber e integrar en el conocimiento o cultura
Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
Los inmigrantes a menudo luchan por asimilarse en una nueva cultura.
C1 noun /ˈɑːr.sən.əl/

arsenal

arsenal
Meaning
A collection or storage place for weapons and military equipment.
Example
The army kept its weapons in a secure arsenal.
El ejército mantuvo sus armas en un arsenal seguro.
C1 adjective /ʌnˈhoʊli/

Unholy

impío; perverso; profano
Meaning
wicked; sinful; profane
Example
The unholy alliance between the two companies caused public outrage.
La alianza impía entre las dos compañías causó indignación pública.
C1 verb /ˈdʒɒsl/

jostle

empujar
Meaning
to push, elbow, or bump against someone roughly, typically in a crowd
Example
The fans jostled each other to get closer to the stage.
Los aficionados se empujaban unos a otros para acercarse al escenario.
C1 adjective /ˈmɑːr.dʒɪ.nəl/

Marginal

marginal; mínimo; leve
Meaning
relating to or situated at the edge; minimal; slight
Example
The marginal improvement in sales was barely noticeable.
La mejora marginal en las ventas fue apenas notable.
C1 noun /ˈɑː.kɪ.taɪp/

archetype

arquetipo, modelo original
Meaning
A very typical example of a certain person or thing; an original model or prototype.
Example
This painting is the archetype of modern art.
Esta pintura es el arquetipo del arte moderno.
C1 adjective /ˈɡlɛrɪŋ/

glaring

intenso / obvio
Meaning
Extremely obvious or shining intensely.
Example
There was a glaring mistake in the report.
Hubo un error obvio en el informe.
C1 adjective /ɪnˈdʌktɪv/

inductive

inductivo
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
El científico usó razonamiento inductivo para formular una hipótesis.
C1 verb /ˈpʌməl/

pummel

aporrear
Meaning
To strike repeatedly with the fists; to beat or hit forcefully.
Example
The boxer pummeled his opponent in the final round.
El boxeador aporreó a su oponente en la ronda final.
C1 noun /daɪˈvɜː.ʃən/

Diversion

desviación
Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
El cierre de la carretera obligó a una desviación a través del campo para todos los viajeros.
C1 noun /ˈoʊvərˌtoʊn/

overtone

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

impeach

impeachar
Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
El parlamento votó para impugnar al presidente.
C1 noun /prɪˈtɛnʃən/

pretension

pretensión, falsa apariencia
Meaning
A claim or assertion to something, often without justification; an attempt to impress by showing greater importance or talent than is actually possessed.
Example
His pretension to be an expert was quickly exposed.
Su pretensión de ser un experto fue rápidamente expuesta.
C1 noun /ˈɪnkjʊˌbeɪtər/

incubator

incubadora
Meaning
a device or environment that provides suitable conditions for eggs, cells, or infants to develop
Example
The premature baby was placed in an incubator for care.
El bebé prematuro fue colocado en una incubadora para su cuidado.
C1 adjective /klaɪˈmæktɪk/

climactic

climático
Meaning
Relating to the most exciting or important moment of something.
Example
The film ended with a climactic battle scene.
La película terminó con una escena de batalla climática.
C1 noun /ˈdaɪəˌlɛkt/

dialect

dialecto
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
Él habla un dialecto del bengalí que es común en las áreas rurales.
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 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

perspicacia, capacidad de análisis
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
Su perspicacia ayudó a resolver el problema complejo.
C1 adjective /ʌnˈsəʊʃəbl/

unsociable

poco sociable
Meaning
not enjoying the company of others; avoiding social interaction
Example
He became unsociable after moving to a new city.
Se volvió poco sociable después de mudarse a una nueva ciudad.
C1 adjective /ˈwoʊ.fəl/

woeful

lamentable
Meaning
full of woe; very sad or miserable; also used to mean very bad or deplorable
Example
He gave me a woeful look when he lost the match.
Me dio una mirada lamentable cuando perdió el partido.
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 /ˌrɛtrɪˈbjuːʃən/

retribution

venganza, castigo
Meaning
punishment inflicted as vengeance for a wrong or crime
Example
The villagers demanded retribution for the crime committed.
Los aldeanos exigieron venganza por el crimen cometido.
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 noun /ɪkˌsperɪˈmɛnteɪʃən/

experimentation

experimentación
Meaning
The process of performing a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.
Example
Experimentation leads to groundbreaking products.
La experimentación conduce a productos innovadores.
C1 adjective /mɪˈrækjələs/

Miraculous

milagroso; asombroso; extraordinario
Meaning
supernatural; amazing; extraordinary
Example
Her miraculous recovery amazed all the doctors.
Su recuperación milagrosa sorprendió a todos los médicos.
C1 adjective /ˌhɛtərəˈʤiːniəs/

heterogeneous

heterogéneo
Meaning
consisting of different kinds or diverse elements
Example
The classroom was filled with a heterogeneous group of students.
El aula estaba llena de un grupo heterogéneo de estudiantes.
C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

incógnito
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
La celebridad viajó incognito para evitar a los paparazzi.
C1 noun /bəˈnæn.zə/

Bonanza

situación o evento que crea un aumento repentino en la riqueza, la buena suerte o las ganancias
Meaning
a situation or event that creates a sudden increase in wealth, good fortune, or profits
Example
The oil discovery was a bonanza for the small country.
El descubrimiento de petróleo fue una bonanza para el pequeño país.
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

simplificación
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
La simplificación de procesos puede reducir significativamente los costos operacionales.
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 /ˈskwɒlər/

squalor

miseria
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
Vivían en la miseria sin instalaciones básicas.
C1 verb /ˌmɪsˈkaʊnt/

miscount

contar mal
Meaning
To count wrongly or inaccurately.
Example
He miscounted the number of chairs in the hall.
Él contó mal el número de sillas en el salón.
C1 noun ˌlɪb.ərˈeɪ.ʃən

liberation

liberación
Meaning
The action of setting someone free from imprisonment, slavery, or oppression; release.
Example
Liberation movements inspired many countries.
Los movimientos de liberación inspiraron a muchos países.
C1 adjective /ɒmˈnɪv.ər.əs/

Omnivorous

omnívoro
Meaning
eating both plants and animals; feeding on various kinds of food
Example
Bears are omnivorous animals that eat both plants and meat.
Los osos son animales omnívoros que comen tanto plantas como carne.
C1 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

rejuvenecimiento
Meaning
The process of restoring something to a former better state, especially referring to renewing soil fertility or revitalizing agricultural land through various restoration practices.
Example
Rejuvenation of soil is necessary for sustainable agriculture.
El rejuvenecimiento del suelo es necesario para la agricultura sostenible.
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

atenuante
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
Ella pidió indulgencia debido a las circunstancias atenuantes.
C1 adverb /ˈwɪmzɪkli/

Whimsically

caprichosamente
Meaning
In a playful, fanciful, or capricious manner; with sudden changes of mind
Example
She decorated her room whimsically with colorful balloons.
Ella decoró su habitación de forma caprichosa con globos coloridos.
C1 verb, noun /lɜːrtʃ/

lurch

tambalear, dar un brusco movimiento
Meaning
to make an abrupt, unsteady, or uncontrolled movement; a sudden movement or stagger
Example
The bus lurched forward as the driver hit the brakes.
El autobús se tambaleó hacia adelante cuando el conductor presionó los frenos.
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

destilación
Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
La destilación se usa comúnmente para producir bebidas alcohólicas.
C1 noun /kəˈmoʊʃən/

commotion

alboroto
Meaning
A state of noisy confusion or disturbance.
Example
The sudden commotion in the market drew everyone's attention.
El repentino alboroto en el mercado atrajo la atención de todos.
C1 noun /sɛkt/

sect

secta
Meaning
a subgroup of a larger religious or political group, often with differing beliefs
Example
The group split into different sects due to doctrinal differences.
El grupo se dividió en diferentes sectas debido a las diferencias doctrinales.
C1 verb /ˈbæbəl/

babble

balbucear
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
El bebé balbucea todo el día.
C1 adjective /ˈtep.ɪd/

Tepid

tibio
Meaning
only slightly warm; lukewarm; showing little enthusiasm
Example
The tea was tepid and unappetizing.
El té estaba tibio y poco apetitoso.
C1 adjective /ˈɜːr.θən/

Earthen

hecho de tierra o arcilla; relacionado con la cerámica
Meaning
made of earth or clay; relating to pottery or ceramic materials
Example
The kitchen had beautiful earthen pots for storage.
La cocina tenía hermosas ollas de barro para almacenamiento.
C1 adjective /ɪnˈlaɪ.tənd/

Enlightened

iluminado; esclarecido; sabio;
Meaning
having or showing a rational, modern outlook; having spiritual knowledge or understanding
Example
The enlightened teacher shared wisdom with all her students.
El maestro iluminado compartió sabiduría con todos sus estudiantes.
C1 verb /kliːv/

cleave

dividir, cortar
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
Usó un hacha para dividir la madera.
C1 adjective /ˈɪɡ.ni.əs/

igneous

ígnea
Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
El granito es una roca ígnea que se utiliza comúnmente en la construcción.
C1 verb /sərˈmaʊnt/

surmount

superar
Meaning
to overcome a difficulty or obstacle
Example
He surmounted all the challenges to achieve his dream.
Él superó todos los desafíos para lograr su sueño.
C1 noun ˈælərdʒən

allergen

sustancia que causa una reacción alérgica
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
El polen es un alérgeno común que afecta a muchas personas.
C1 noun/verb /ˈprɛdɪkət/ (noun), /ˈprɛdɪkeɪt/ (verb)

predicate

predicado / basar en
Meaning
noun: the part of a sentence that tells something about the subject; verb: to base or establish something on a particular idea
Example
His theory is predicated on sound research.
Su teoría está basada en una investigación sólida.
C1 noun /ˌriː.əˈdʒʌst.mənt/

readjustment

reajuste
Meaning
The act of changing or correcting something again to make it suitable or balanced.
Example
After moving to a new city, he went through a period of readjustment.
Después de mudarse a una nueva ciudad, él pasó por un periodo de reajuste.
C1 adjective /ʌnˈtaɪərɪŋ/

Untiring

incansable; persistente; infatigable
Meaning
continuing without stopping; persistent; tireless
Example
Her untiring efforts finally led to success.
Sus esfuerzos incansables finalmente llevaron al éxito.
C1 noun /ˌprəʊˈæk.tɪv ˈliː.də.ʃɪp/

proactive leadership

liderazgo proactivo
Meaning
Leadership that takes initiative and anticipates problems before they occur, rather than reacting to events.
Example
Proactive leadership ensures timely decisions.
El liderazgo proactivo asegura decisiones oportunas.
C1 verb /riːk/

wreak

causar daño
Meaning
to cause or inflict something, especially damage or harm
Example
The storm wreaked havoc on the coastal villages.
La tormenta causó grandes daños en los pueblos costeros.
C1 verb /ˌʌndərˈsɛl/

undersell

vender a un precio más bajo
Meaning
to sell something at a lower price than competitors or to downplay the value of something
Example
The shop undersold its rivals by offering huge discounts.
La tienda vendió a sus rivales a un precio más bajo ofreciendo grandes descuentos.
C1 noun /ˈsɪn.ɪˌsɪz.əm/

cynicism

cinismo
Meaning
An inclination to believe that people are motivated purely by self-interest; skepticism.
Example
His cynicism made it hard for him to trust anyone.
Su cinismo le dificultaba confiar en alguien.
C1 adjective /ɪˈmeɪʃieɪtɪd/

emaciated

demacrado
Meaning
Abnormally thin or weak, usually due to illness or lack of food.
Example
The emaciated dog was rescued from the abandoned house.
El perro demacrado fue rescatado de la casa abandonada.
C1 noun /ˈæk.jʊ.mən/

acumen

percepción
Meaning
The ability to make good judgments and quick decisions; keenness and depth of perception.
Example
His business acumen helped the company grow rapidly.
Su percepción empresarial ayudó a la empresa a crecer rápidamente.
C1 noun /ɪnˈædɪkwəsi/

inadequacy

insuficiencia
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
Luchaba con sentimientos de insuficiencia en el trabajo a pesar de sus sólidas calificaciones.
C1 noun /ˈmænər/

manor

mansión
Meaning
A large country house with lands; the main house of an estate.
Example
The old manor stood proudly on the hill for centuries.
La vieja mansión se erguía orgullosa sobre la colina durante siglos.
C1 verb /slaʊtʃ/

slouch

encorvarse
Meaning
To stand, sit, or move in a lazy or awkward way.
Example
He slouched in the chair, looking tired.
Se encorvó en la silla, luciendo cansado.
C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

alegría
Meaning
The action of showing great joy or happiness
Example
There was much rejoicing after the victory.
Hubo mucha alegría después de la victoria.