boll
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C2 noun /boʊl/

boll

cápsula redonda de semillas (como las de algodón o lino)
Meaning
The rounded seed capsule of plants such as cotton or flax.
Example
The farmer examined the cotton boll to check its quality.
El agricultor examinó el bol de algodón para verificar su calidad.
C2 adjective /æbˈstruːs/

abstruse

abstruso
Meaning
Difficult to understand; obscure.
Example
The abstruse nature of the philosophical debate left many confused.
La naturaleza abstrusa del debate filosófico dejó a muchos confundidos.
C2 verb /ˈpʌkər/

pucker

fruncir
Meaning
to tighten or contract into small folds or wrinkles
Example
She puckered her lips before kissing the child.
Ella frunció los labios antes de besar al niño.
C2 noun /ɡruːəl/

Gruel

papilla
Meaning
a thin liquid food of oatmeal or another meal boiled in milk or water
Example
The sick patient could only eat gruel.
El paciente enfermo solo pudo comer papilla.
C2 noun /ˌɡæskəˈneɪd/

gasconade

presunción exagerada, jactancia
Meaning
Extravagant boasting or bragging.
Example
His endless gasconade made him unpopular among his peers.
Su interminable presunción lo hizo impopular entre sus compañeros.
C2 noun /ɪɡˈzækʃən/

exaction

exacción
Meaning
the act of demanding or obtaining something, especially unfairly
Example
The peasants suffered under the king's heavy exactions.
Los campesinos sufrieron bajo las severas exacciones del rey.
C2 adjective /eɪˈrɪðmɪk/

arrhythmic

arítmico
Meaning
Lacking a regular rhythm or beat.
Example
The patient had an arrhythmic heartbeat.
El paciente tenía un latido cardíaco arítmico.
C2 noun /ˈhæbɪtənt/

habitant

habitante
Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
Los habitantes del pueblo eran amables y acogedores.
C2 noun /ˈmædrɪɡəl/

madrigal

madrigal
Meaning
A short, lyrical poem set to music, typically from the Renaissance period.
Example
The choir performed a beautiful madrigal from the 16th century.
El coro interpretó un hermoso madrigal del siglo XVI.
C2 noun /ˈpɜːrljuː/

purlieu

área periférica
Meaning
The area near or surrounding a place; an outlying or neighboring district.
Example
They spent the afternoon exploring the purlieus of the ancient city.
Pasaron la tarde explorando los purlíus de la antigua ciudad.
C2 noun /prəˈfjuːʒən/

profusion

profusión
Meaning
an abundance or large quantity of something
Example
Spring brought a profusion of wildflowers to the valley.
La primavera trajo una profusión de flores silvestres al valle.
C2 noun /ˌræproʊʃˈmɑːn/

rapprochement

restablecimiento de relaciones
Meaning
The establishment or resumption of harmonious relations.
Example
The two countries signed an agreement that marked a new rapprochement.
Los dos países firmaron un acuerdo que marcó un nuevo restablecimiento de relaciones.
C2 verb /swɪl/

swill

beber codiciosamente
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
Él bebió la cerveza en segundos.
C2 noun /djuːˈɛnə/

duenna

gobernanta
Meaning
an older woman acting as a governess or chaperone, especially in Spanish families
Example
The young lady was accompanied by a duenna during the festival.
La joven estaba acompañada por una duéena durante el festival.
C2 verb /diːˈmoʊbəlaɪz/

demobilize

desmovilizar
Meaning
To release from military service or to disband troops.
Example
The government decided to demobilize the army after the war.
El gobierno decidió desmovilizar el ejército después de la guerra.
C2 noun /ˈdʒɪŋɡoʊˌɪzəm/

jingoism

patriotismo extremo
Meaning
extreme patriotism expressed in aggressive foreign policy
Example
The politician's speech was filled with jingoism.
El discurso del político estaba lleno de jingoísmo.
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

supererogatorio
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
Su donación fue supererogatoria, mucho más allá de lo que alguien había pedido.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

neurocognitivo
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
Las funciones neurocognitivas disminuyen debido a la falta de sueño.
C2 noun /ˌdiːlɛkˈteɪʃən/

delectation

deleite
Meaning
great pleasure or delight
Example
She read the story aloud for the delectation of her friends.
Ella leyó la historia en voz alta para el deleite de sus amigos.
C2 noun /ˈpɒmfrɪt/

Pomfret

pez pomfret
Meaning
A deep-bodied marine fish with silvery scales, popular in Asian cuisine
Example
The restaurant serves delicious pomfret curry with rice.
El restaurante sirve un delicioso curry de pomfret con arroz.
C2 verb /ɪˈnjʊər/

inure

acostumbrar
Meaning
To become accustomed to something, especially something unpleasant.
Example
Soldiers quickly became inured to the harsh conditions.
Los soldados rápidamente se acostumbraron a las duras condiciones.
C2 adjective /ˈvɪnsəbl/

vincible

vencible
Meaning
capable of being overcome or defeated
Example
The enemy seemed vincible after losing their main base.
El enemigo parecía vencible después de perder su base principal.
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

desorganizado
Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
Su conversación desorganizada aburría a la audiencia.
C2 noun /ˈɔːldərmən/

alderman

miembro del consejo municipal
Meaning
An elected member of a municipal council in certain cities and towns.
Example
The alderman proposed a new plan for community parks.
El concejal propuso un nuevo plan para los parques comunitarios.
C2 noun /ˈeɪʒən siː bæs/

Asian sea bass

lubina asiática
Meaning
a large predatory fish found in coastal waters and estuaries of the Indo-Pacific region, prized for its white meat
Example
Asian sea bass is highly valued in aquaculture for its fast growth.
La lubina asiática es muy valorada en la acuicultura por su rápido crecimiento.
C2 adjective /ɪmˈplækəbl/

implacable

implacable
Meaning
unable to be appeased, calmed, or pacified
Example
The soldiers faced an implacable enemy who refused to surrender.
Los soldados se enfrentaron a un enemigo implacable que se negó a rendirse.
C2 adjective /trænzˈmɪsəbl/

transmissible

transmisible
Meaning
able to be passed or spread from one person or thing to another
Example
COVID-19 is a highly transmissible disease.
COVID-19 es una enfermedad altamente transmisible.
C2 adjective /ˌɪnkənˈsɪdərəbl/

inconsiderable

insignificante
Meaning
Too small or unimportant to be worth considering.
Example
The donation was not inconsiderable, though smaller than expected.
La donación no fue insignificante, aunque más pequeña de lo esperado.
C2 noun /kænˈtɑː.tə/

cantata

cantata
Meaning
A vocal composition with instrumental accompaniment, typically in several movements, often involving a choir.
Example
The choir performed a beautiful cantata during the festival.
El coro interpretó una hermosa cantata durante el festival.
C2 noun /ɪˈlɪziəm/

elysium

elíseo
Meaning
A place or state of perfect happiness; in Greek mythology, the afterlife paradise.
Example
For her, the garden was a personal elysium.
Para ella, el jardín era un elíseo personal.
C2 verb /ˌkɒmənˈdɪə/

commandeer

tomar por la fuerza
Meaning
To take control or possession of something, often by force or authority.
Example
The soldiers commandeered the villagers’ homes during the war.
Durante la guerra, los soldados tomaron por la fuerza las casas de los aldeanos.
C2 noun /ˌvælɪˈdɪkʃən/

valediction

discurso de despedida
Meaning
The act of saying farewell; a formal goodbye.
Example
The professor gave a touching valediction at his retirement ceremony.
El profesor dio un emotivo discurso de despedida en su ceremonia de jubilación.
C2 noun /ˈmæn.li.nəs/

manliness

virilidad
Meaning
The quality of being manly; courage, strength, and honor associated with men.
Example
His manliness was admired by his peers.
Su virilidad fue admirada por sus compañeros.
C2 adjective /dɪˈsɛnʃəs/

dissentious

divisivo
Meaning
Causing or likely to cause disagreement and conflict.
Example
His dissentious remarks divided the group further.
Sus comentarios divisivos dividieron aún más al grupo.
C2 noun /ɪmˈpjuːnɪti/

impunity

impunidad
Meaning
freedom from punishment or harmful consequences for an action
Example
The dictator ruled with impunity, ignoring international laws.
El dictador gobernó con impunidad, ignorando las leyes internacionales.
C2 verb, noun /ˈkweɪvər/

quaver

temblar
Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
Su voz temblaba mientras hablaba frente a la multitud.
C2 adjective /ˈprɒvɪdənt/

provident

previsor
Meaning
making or indicative of timely preparation for the future
Example
She was provident in saving money for her children’s education.
Ella fue previsora al ahorrar dinero para la educación de sus hijos.
C2 noun /ɜːrˈbænɪti/

urbanity

urbanidad
Meaning
refined courtesy, elegance, and sophistication in manner
Example
Her urbanity made her popular among diplomats and leaders.
Su urbanidad la hizo popular entre diplomáticos y líderes.
C2 verb /ˌdɒmɪˈnɪə/

domineer

dominar
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
Él tiende a dominar a sus colegas más jóvenes.
C2 noun /tɪlθ/

tilth

condición del suelo (adecuación para sembrar cultivos)
Meaning
The physical condition of soil in relation to its suitability for planting crops.
Example
The farmer checked the soil's tilth before planting the seeds.
El agricultor revisó la tilth del suelo antes de sembrar las semillas.
C2 noun /ɡreɪˈdeɪʃən/

gradation

gradación
Meaning
A gradual change from one stage, tone, or degree to another.
Example
The artist used subtle gradation of colors in her painting.
La artista usó una sutil gradación de colores en su pintura.
C2 noun /ˈrɛkjʊzənt/

recusant

refractario
Meaning
a person who refuses to submit to authority or comply with rules
Example
The recusant opposed the new law.
El refractario se opuso a la nueva ley.
C2 adjective /əˌnækrəˈnɪstɪk/

anachronistic

anacrónico
Meaning
belonging to a period other than that being portrayed; old-fashioned or outdated
Example
His views on gender roles are considered anachronistic.
Sus puntos de vista sobre los roles de género se consideran anacrónicos.
C2 noun kwɔːrk

quark

quark
Meaning
A fundamental subatomic particle that combines to form protons and neutrons.
Example
Quarks form protons and neutrons.
Los quarks forman protones y neutrones.
C2 noun /ˈhelmz.mən/

Helmsman

timón; patrón de barco
Meaning
a person who steers a ship or boat; the person at the helm of a vessel
Example
The experienced helmsman skillfully guided the yacht through the narrow channel during the storm.
El experimentado timonel guió hábilmente el yate a través del estrecho canal durante la tormenta.
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

coche de alquiler
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
Llamé a un coche de alquiler para llegar al aeropuerto.
C2 verb /ɪmˈpjuːt/

impute

imputar
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
Ellos imputaron el éxito de la empresa a un buen liderazgo.
C2 adjective/noun /haɪˈbɜːrniən/

hibernian

hiberniano
Meaning
Relating to Ireland or the Irish.
Example
He enjoyed reading about Hibernian culture and history.
Disfrutó leer sobre la cultura y la historia hiberniana.
C2 noun /rɪˌnʌnsiˈeɪʃən/

renunciation

renuncia
Meaning
the formal rejection or giving up of something, usually a belief, claim, or way of life
Example
His renunciation of worldly pleasures impressed the monks.
Su renuncia a los placeres mundanos impresionó a los monjes.
C2 noun /ˈsiːkənt/

secant

secante
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
En geometría, un secante corta el círculo en dos puntos distintos.
C2 adjective /ɔːrˈθɑːɡənl/

orthogonal

ortogonal
Meaning
at right angles; independent or unrelated
Example
In mathematics, two vectors are orthogonal if their dot product is zero.
En matemáticas, dos vectores son ortogonales si su producto punto es cero.
C2 noun /ˈdʒɛtsəm/

jetsam

material no deseado o bienes arrojados al mar desde un barco y arrastrados hasta la orilla
Meaning
Unwanted material or goods thrown overboard from a ship and washed ashore.
Example
The beach was littered with jetsam after the storm.
La playa estaba llena de jetsam después de la tormenta.
C2 noun /ɪnˈvaɪtər/

invitor

invitador
Meaning
a person who invites someone to an event, meeting, or place
Example
The invitor greeted all the guests warmly at the entrance.
El invitador saludó cordialmente a los invitados en la entrada.
C2 noun /ˈdʒɪb.ər.ɪʃ/

gibberish

galimatías
Meaning
Unintelligible or meaningless speech or writing.
Example
He was so nervous that his explanation sounded like gibberish.
Estaba tan nervioso que su explicación sonaba como galimatías.
C2 verb /ʌnˈfrɒk/

unfrock

despojar a un sacerdote de su rango
Meaning
To remove a priest from his position or deprive someone of a rank.
Example
The corrupt priest was unfrocked after the investigation.
El sacerdote corrupto fue despojado de su rango después de la investigación.
C2 noun /kəˌrɒbəˈreɪʃən/

corroboration

corroboración
Meaning
evidence that confirms or supports a statement, theory, or finding
Example
The documents provided strong corroboration of her claims.
Los documentos proporcionaron una fuerte corroboración de sus afirmaciones.
C2 adjective /bɪˈnaɪtɪd/

benighted

oscuro, ignorante
Meaning
In a state of intellectual or moral ignorance; overtaken by darkness.
Example
The explorers were lost in the benighted forest without any guide.
Los exploradores se perdieron en el bosque oscuro sin ningún guía.
C2 noun /ˈæl.mɪ.rə/

Almirah

armario
Meaning
a large cupboard or wardrobe used for storing clothes and other items
Example
I keep all my clothes in the wooden almirah.
Guardo toda mi ropa en el armario de madera.
C2 noun /ˈɛdi/

eddy

remolino
Meaning
A circular movement of water, air, or smoke, counter to the main current, causing a small whirlpool or turbulence.
Example
The canoe was caught in an eddy near the rocks.
La canoa quedó atrapada en un remolino cerca de las rocas.
C2 noun /ˌɪntərˈrɛɡnəm/

interregnum

interregno
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
El país enfrentó inestabilidad durante el interregno después de la muerte del rey.
C2 noun /ɪmˈpjuːɪsəns/

impuissance

impotencia, incapacidad
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
La impotencia del gobierno ante la crisis frustró al pueblo.
C2 noun /laʊt/

lout

bruto
Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
El borracho bruto causó un escándalo en la fiesta.
C2 noun /ˈʃaɪstər/

shyster

estafador
Meaning
a person, especially a lawyer, who uses unscrupulous or dishonest methods
Example
The businessman was exposed as a shyster who cheated clients.
El hombre de negocios fue expuesto como un estafador que engañaba a los clientes.
C2 noun /ˌɔːltərˈkeɪʃən/

altercation

altercado, pelea
Meaning
a noisy argument or quarrel
Example
There was a brief altercation between the two drivers.
Hubo una breve altercación entre los dos conductores.
C2 adjective /ɪˈbʊliənt/

ebullient

exuberante
Meaning
cheerful and full of energy
Example
She was ebullient after receiving the good news.
Ella estaba exuberante después de recibir la buena noticia.
C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

tanto
Meaning
to such an extent
Example
He was insomuch tired that he could hardly stand.
Estaba tan cansado que apenas podía mantenerse en pie.
C2 adjective /ˈɪnˌbrɛd/

inbred

innato
Meaning
existing naturally in a person or animal; also related to reproduction within a limited community
Example
He has an inbred sense of loyalty.
Él tiene un sentido innato de lealtad.
C2 noun /krɪpˈtɒɡ.rə.fi/

cryptography

práctica de asegurar la información mediante técnicas de encriptación o codificación
Meaning
The practice of securing information through encryption or coding techniques
Example
Modern cryptography ensures secure online transactions.
La criptografía moderna asegura las transacciones en línea seguras.
C2 noun /ˌsɜːrkəmləˈkjuːʃn/

circumlocution

circunloquio
Meaning
the use of many words when fewer would do, especially to avoid stating something directly
Example
The politician's speech was filled with circumlocution.
El discurso del político estaba lleno de circunloquios.
C2 noun /ˌsaɪ.kəʊˈɡræf.ɪks/

Psychographics

Estudio y clasificación de las personas según sus actitudes, aspiraciones y otros criterios psicológicos
Meaning
The study and classification of people according to their attitudes, aspirations, and other psychological criteria.
Example
Psychographics reveal consumer buying motives.
Los psicográficos revelan los motivos de compra de los consumidores.
C2 noun /ˈsɛʃən/

cession

cesión de derechos o propiedad
Meaning
The formal giving up of rights, property, or territory, especially by a state.
Example
The treaty resulted in the cession of land to the neighboring country.
El tratado resultó en la cesión de tierras al país vecino.
C2 verb /ˈræm.ɪ.faɪ/

ramify

ramificarse
Meaning
to spread or branch out into divisions or subdivisions.
Example
The river ramifies into several smaller streams.
El río se ramifica en varios arroyos más pequeños.
C2 adjective /ˌmælˈoʊdərəs/

malodorous

maloliente
Meaning
Having a very unpleasant smell.
Example
The malodorous room made everyone leave quickly.
La habitación maloliente hizo que todos se fueran rápidamente.
C2 adjective /ˈkɒnfluənt/

confluent

confluente
Meaning
Flowing together or merging; coming together at one point.
Example
The confluent streams formed a mighty river.
Los ríos convergentes formaron un gran río.
C2 noun /ˈkɒn.tjʊ.mə.li/

contumely

insulto, desdén
Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
Él soportó el desdén de sus colegas con paciencia.
C2 noun /ˈhæbɪtjuːd/

habitude

hábito, costumbre
Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
Vivía en un hábito tranquilo, evitando el ruido de la ciudad.
C2 noun /sfɪˈrɒmɪtər/

spherometer

esferómetro
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
El científico usó un esferómetro para medir la curvatura de la lente.
C2 noun /ɪmˈpɒs.tʃər/

Imposture

engaño; fraude; impostura
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
La elaborada impostura duró meses antes de que los investigadores descubrieran la verdad.
C2 noun /ˈtʃaɪ.nə roʊz/

China-rose

hibisco
Meaning
a tropical flowering plant with large, showy flowers in various colors
Example
The bright red China-rose flowers decorated the entrance of the house.
Las brillantes flores rojas de hibisco decoraban la entrada de la casa.
C2 noun /dɪˈspɔɪlər/

despoiler

despojador
Meaning
A person who robs, plunders, or violently takes things from others.
Example
The despoilers left the city in ruins.
Los despojadores dejaron la ciudad en ruinas.
C2 noun /ˈnɛtl̩/

nettle

planta con espinas que causa irritación al tocarla
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
Él accidentalmente rozó la ortiga y sintió un ardor agudo.
C2 verb /ˌoʊvərˈstraɪd/

overstride

cruzar dando pasos largos
Meaning
To stride over something; to step across with long steps.
Example
He managed to overstride the narrow stream with ease.
Él logró cruzar el estrecho arroyo con facilidad.
C2 adjective /ˈɛstɪməbl/

estimable

estimable
Meaning
Worthy of great respect.
Example
Her estimable achievements inspired the whole community.
Sus logros estimables inspiraron a toda la comunidad.
C2 verb /ˌsuːpərɪnˈtɛnd/

superintend

supervisar
Meaning
to oversee and direct the work or operation of something
Example
She was hired to superintend the construction project.
Ella fue contratada para supervisar el proyecto de construcción.
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

sang-froid
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
El líder manejó la crisis con un notable sang-froid.
C2 noun /vɪˈsɪsɪtjuːd/

vicissitude

vicisitudes de la vida
Meaning
A natural change or succession of one thing to another; the ups and downs of life.
Example
The vicissitude of life often teaches resilience.
Las vicisitudes de la vida a menudo enseñan resiliencia.
C2 noun /pæˈstiːʃ/

pastiche

pastiche
Meaning
a work of art, literature, or music that imitates the style of another artist, period, or genre
Example
The film was a clever pastiche of 1950s detective movies.
La película era un astuto pastiche de las películas de detectives de los años 50.
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

cultivo intercalado
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
El cultivo intercalado puede ayudar a mejorar la fertilidad del suelo y el control de plagas.
C2 verb /əˈkuːtər/

accouter

equipar
Meaning
to equip or outfit, typically with military or ceremonial attire
Example
The soldiers were accoutered in full battle gear.
Los soldados estaban equipados con todo el equipo de batalla.
C2 adjective /ʌnˈælɔɪd/

unalloyed

puro
Meaning
Pure, complete, and not mixed with anything else.
Example
She felt unalloyed joy at the news of her success.
Ella sintió una alegría pura al recibir la noticia de su éxito.
C2 noun /məˈrɔː.dər/

marauder

merodeador
Meaning
a person who roams around in search of things to steal or people to attack
Example
Villagers feared the marauders who raided their homes.
Los aldeanos temían a los merodeadores que asaltaban sus casas.
C2 noun /ˌɛərəˈstætɪks/

aerostatics

aerostática
Meaning
The branch of physics that deals with the equilibrium of air and gases and the forces acting on bodies in them.
Example
Aerostatics is essential for understanding how balloons float.
La aerostática es esencial para entender cómo flotan los globos.
C2 adjective /ˈbeɪlfəl/

baleful

amenazante
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
Después del insulto, le dio una mirada amenazante.
C2 verb /kəˈmɪŋɡəl/

commingle

mezclar
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
La caridad no mezcla las donaciones con los fondos operativos.
C2 verb /ˈmɒtl/

mottle

moteado
Meaning
To mark with spots or patches of color.
Example
The leaves were mottled with shades of yellow and brown.
Las hojas estaban moteadas con tonos de amarillo y marrón.
C2 noun /ˈænɪməlˌkjuːl/

animalcule

animalcule
Meaning
A microscopic animal, especially a protozoan or other minute organism.
Example
The scientist observed an animalcule moving under the microscope.
El científico observó un animalcule moviéndose bajo el microscopio.
C2 noun /ˌpɜː.spɪˈkæs.ɪ.ti/

perspicacity

perspicacia
Meaning
Sharp insight, keen understanding and discernment.
Example
Her perspicacity in business decisions led to success.
Su perspicacia en decisiones de negocio la llevó al éxito.
C2 noun /ˈsɪbəraɪt/

sybarite

síbarita
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
El millonario era un verdadero síbarita que vivía solo para la comodidad y el disfrute.
C2 noun /ɪˈfluːviəm/

effluvium

efluvio
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
El efluvio de la fábrica se extendió por todo el vecindario.
C2 verb /əbˈskɒnd/

abscond

fugarse
Meaning
to leave secretly and quickly, often to avoid arrest or punishment
Example
The thief tried to abscond with the stolen jewelry.
El ladrón intentó fugarse con las joyas robadas.
C2 adjective /ˈfrɒlɪksəm/

Frolicsome

juguetón; alegre; vivaz
Meaning
joyful; playful; merry; cheerful
Example
The frolicsome children laughed and played in the park.
Los niños juguetones rieron y jugaron en el parque.
C2 noun /əˈkjuːtnəs/

acuteness

agudeza; intensidad
Meaning
sharpness of mind or senses; severity or intensity of a condition
Example
Her acuteness allowed her to notice details others missed.
Su agudeza le permitió notar detalles que otros pasaron por alto.
C2 noun /ˈdɛnɪzən/

denizen

habitante
Meaning
an inhabitant or resident of a particular place
Example
The forest is home to many nocturnal denizens.
El bosque es hogar de muchos habitantes nocturnos.
C2 verb /ˈdæli/

dally

demorarse
Meaning
To act or move slowly; to waste time; also to engage in a casual romantic relationship.
Example
He dallied in the garden instead of starting his work.
Él se demoró en el jardín en lugar de comenzar su trabajo.
C2 noun /ˈwɒntənnəs/

wantonness

crueldad gratuita
Meaning
The quality of being reckless, cruel, or deliberately malicious.
Example
His wantonness shocked everyone at the gathering.
Su crueldad gratuita sorprendió a todos en la reunión.
C2 noun /dʒeɪp/

jape

broma, chiste
Meaning
A practical joke or humorous remark.
Example
He enjoyed a harmless jape with his friends.
Disfrutó de una broma inofensiva con sus amigos.
C2 verb /məˈrɔːd/

maraud

saquear
Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
Los bandidos saquearon el pueblo por la noche.
C2 noun/verb /ɡraʊs/

grouse

quejarse / un tipo de ave
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
Él siempre se queja de las largas horas de trabajo.
C2 verb /ˈtɪpəl/

tipple

beber
Meaning
to drink alcohol, especially regularly or in small amounts
Example
He likes to tipple at the local pub after work.
A él le gusta beber en el pub local después del trabajo.
C2 noun /ˌɡæsɪfɪˈkeɪʃən/

gasification

gasificación
Meaning
The process of converting solid or liquid fuel into gas.
Example
Gasification is widely used to produce fuel gas from coal.
La gasificación se usa ampliamente para producir gas combustible a partir del carbón.
C2 noun /kəˈtæb.ə.lɪ.zəm/

catabolism

catabolismo
Meaning
The breakdown of complex molecules in living organisms to form simpler ones together with the release of energy; destructive metabolism.
Example
Catabolism plays a crucial role in cellular energy production.
El catabolismo juega un papel crucial en la producción de energía celular.
C2 adjective /ˈsiːkwənt/

sequent

secuente
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
Los eventos subsecuentes cambiaron el curso de la historia.
C2 adjective /sɛnˈtɛnʃəs/

sententious

moralista; que da lecciones
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
Sus comentarios moralistas molestaron a la audiencia.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

incredulidad
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
Ella lo miró con incredulidad después de escuchar la extraña historia.
C2 noun /ˌɪntərˈsɛʃən/

intercession

intercesión
Meaning
the act of intervening or pleading on behalf of another person
Example
The prisoner was released due to the intercession of influential leaders.
El prisionero fue liberado gracias a la intercesión de líderes influyentes.
C2 noun /ˈzuːəʊˌplæŋktən/

zooplankton

zooplancton
Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
El zooplancton juega un papel importante en la cadena alimentaria acuática.
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

estancia temporal
Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
Disfrutó de una breve estancia temporal en París durante el verano.
C2 noun /ˈtruːɪzəm/

truism

verdad de Perogrullo
Meaning
a statement that is obviously true and says nothing new or interesting
Example
It is a truism that hard work leads to success.
Es una verdad de Perogrullo que el trabajo duro lleva al éxito.
C2 verb /bɪˈkɑːm/

becalm

calmar
Meaning
to make calm or still; to deprive a sailing vessel of wind
Example
The captain tried to becalm the anxious crew.
El capitán intentó calmar a la tripulación ansiosa.
C2 noun /ˈpætrɪˌmoʊni/

patrimony

patrimonio
Meaning
Property or inheritance passed down from one's father or ancestors.
Example
The castle was part of his patrimony from his noble ancestors.
El castillo era parte de su patrimonio de sus nobles antepasados.
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

semi-consciente
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
Él estaba semi-consciente después del accidente y apenas podía responder.