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B2 adjective /ˌmæθəˈmætɪkəl/

mathematical

matemático
Meaning
relating to mathematics or the use of mathematics
Example
The mathematical equation was difficult to solve.
La ecuación matemática era difícil de resolver.
B1 noun /ˈnɑn.sens/

Nonsense

tonterías
Meaning
words or language that have no meaning; foolish or unacceptable behavior
Example
Stop talking nonsense and be serious!
¡Deja de hablar tonterías y sé serio!
B2 adjective /ˈmiː.nɪŋ.ləs/

Meaningless

sin sentido; sin propósito; irrelevante
Meaning
without purpose; having no significance; pointless
Example
The data became meaningless without proper context.
Los datos se volvieron sin sentido sin el contexto adecuado.
C2 noun /ˌvɑːljəˈbɪləti/

volubility

volubilidad
Meaning
The quality of talking fluently, readily, or incessantly.
Example
His volubility made him a successful radio host.
Su volubilidad lo convirtió en un exitoso presentador de radio.
B2 noun ˈvɜː.tʃu.əl ˈklɑːs.ruːmz

virtual classrooms

aulas virtuales
Meaning
An online learning environment where teachers and students interact via digital platforms.
Example
Virtual classrooms enable remote learning for students worldwide.
Las aulas virtuales permiten el aprendizaje remoto para los estudiantes de todo el mundo.
B1 noun ˈɪmpækt

impact

impacto
Meaning
A strong effect or influence; the action of one object coming forcibly into contact with another.
Example
The decision had great impact.
La decisión tuvo un gran impacto.
B2 noun /əˈkaʊntɪŋ/

accounting

contabilidad
Meaning
the process of recording, summarizing, and reporting financial transactions
Example
She works in the accounting department of a large firm.
Ella trabaja en el departamento de contabilidad de una gran empresa.
B2 adverb /ˈəʊvəli/

overly

excesivamente
Meaning
to an excessive degree or extent
Example
She was overly concerned about the results.
Ella estaba excesivamente preocupada por los resultados.
B2 noun /rɒd/

rod

barra delgada, especialmente de metal o madera
Meaning
a thin straight bar, especially of metal or wood
Example
He used an iron rod to support the structure.
Usó una barra de hierro para soportar la estructura.
C1 noun /ˈbreɪkər/

breaker

disyuntor (algo que rompe, una ola grande que se rompe cerca de la orilla, o un dispositivo que interrumpe un circuito eléctrico)
Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
El disyuntor se disparó durante la tormenta, cortando la electricidad.
B2 noun /faʊl/

Fowl

ave de corral
Meaning
a domesticated bird kept for meat or eggs; chicken or other poultry
Example
The farmer raised fowl in his backyard for fresh eggs and meat.
El granjero criaba aves de corral en su jardín trasero para huevos frescos y carne.
A2 noun /ˈdʒækɪt/

Jacket

chaqueta
Meaning
a piece of clothing worn on the upper body, typically having sleeves and fastening down the front
Example
He wore a leather jacket to protect himself from the cold wind.
Llevaba una chaqueta de cuero para protegerse del viento frío.
B2 adjective /ʌnˈtʃeɪndʒəbəl/

Unchangeable

inmutable; fijo;
Meaning
not able to be changed or altered; fixed and permanent
Example
The laws of physics are unchangeable principles that govern the universe.
Las leyes de la física son principios inmutables que rigen el universo.
B1 adjective /ˈpɜːrmənənt/

Permanent

permanente; inmutable
Meaning
lasting; unchanging; enduring
Example
The tattoo is a permanent mark on his skin.
El tatuaje es una marca permanente en su piel.
C1 noun /ˈliːʒən/

lesion

lesión
Meaning
An area of damage or abnormal change in the tissue of an organism, often caused by injury or disease.
Example
The doctor examined the skin lesion carefully.
El doctor examinó cuidadosamente la lesión en la piel.
B2 noun /ˈpaɪ.θən/

Python

pitón
Meaning
a large non-venomous snake that kills prey by constriction
Example
The python wrapped around its prey tightly.
La pitón rodeó a su presa fuertemente.
C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

retroactivo
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
La nueva ley se hizo retroactiva para cubrir los casos pasados.
B2 noun /ˈdʌmi/

dummy

muñeco / persona tonta
Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
El sastre usó un maniquí para exhibir el vestido.
A2 adjective /ˈdɜː.ti/

Dirty

sucio; manchado; desagradable; moralmente corrupto
Meaning
not clean; covered with dirt; unpleasant; morally corrupt
Example
The kitchen was dirty after cooking.
La cocina estaba sucia después de cocinar.
B2 noun /ˈpɪlər/

pillar

columna
Meaning
a strong vertical support or mainstay of a structure or system
Example
The ancient temple was supported by massive stone pillars.
El antiguo templo fue sostenido por enormes columnas de piedra.
C2 noun /əbˈhɒrəns/

abhorrence

abominación
Meaning
a feeling of strong disgust or hatred
Example
He expressed his abhorrence of racial discrimination.
Expresó su abominación hacia la discriminación racial.
C1 verb, noun /mʊər/

moor

atar / terreno baldío
Meaning
As a verb: to tie a ship so that it stays in place. As a noun: open, uncultivated land.
Example
The sailors moored the ship at the dock.
Los marineros amarraron el barco en el muelle.
B1 verb /ˌɛntərˈteɪn/

entertain

entretener
Meaning
to provide amusement, enjoyment, or hospitality to others
Example
The comedian entertained the audience with his jokes.
El comediante entretuvo al público con sus chistes.
B2 adjective /aɪˈrɒnɪk/

ironic

irónico, sarcástico
Meaning
happening in the opposite way to what is expected, often amusing or sarcastic
Example
It is ironic that the fire station burned down.
Es irónico que la estación de bomberos se haya quemado.
C1 noun /ˌmaʊntəˈnɪə/

mountaineer

montañero
Meaning
A person who climbs mountains as a sport or profession.
Example
The mountaineer reached the summit after a long climb.
El montañero llegó a la cima después de una larga subida.
A1 determiner /sʌtʃ/

such

tal
Meaning
of the type previously mentioned or specified
Example
I have never seen such a beautiful painting.
Nunca he visto tal pintura hermosa.
B2 verb /ˈhezɪteɪt/

hesitate

dudar
Meaning
to pause before acting; to be uncertain about what to do
Example
Don't hesitate to ask for help.
No dudes en pedir ayuda.
A2 adjective /ˈsɪmələr/

Similar

similar; con características comunes
Meaning
alike; having characteristics in common
Example
The two sisters have similar interests in music.
Las dos hermanas tienen intereses similares en música.
B2 noun /əˈplɔːz/

applause

aplausos
Meaning
the sound of people clapping their hands to show approval or enjoyment
Example
The actor received loud applause after his performance.
El actor recibió un fuerte aplauso después de su actuación.
B1 verb /seɪl/

sail

navegar con velas
Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
Ellos navegaron a través del océano Atlántico el verano pasado.
C2 noun /ˈvaɪkaʊnt/

viscount

vizconde
Meaning
A British nobleman ranking below an earl and above a baron.
Example
The viscount inherited the estate from his father.
El vizconde heredó la finca de su padre.
C1 verb ɪkˈstræp.ə.leɪt

Extrapolate

extrapolar
Meaning
Making future estimates based on existing information
Example
Scientists extrapolate climate changes based on past data.
Los científicos extrapolan los cambios climáticos basados en datos pasados.
C2 verb /dɔːb/

daub

untar
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
Los niños untaron pintura por todas las paredes.
B2 adjective /bliːk/

bleak

desolado
Meaning
cold, miserable, or without hope
Example
The future seemed bleak after the economic downturn.
El futuro parecía desolado después de la recesión económica.
B1 noun /ˈpeɪstri/

pastry

pastelito
Meaning
a baked food product made from flour, fat, and water, often sweet or savory
Example
I bought a box of fresh pastries for breakfast.
Compré una caja de pasteles frescos para el desayuno.
A2 noun /ˈer.ər/

Error

error; equivocación
Meaning
a mistake; something done incorrectly or wrong
Example
The error in the calculation led to incorrect results.
El error en el cálculo llevó a resultados incorrectos.
B2 noun /ˈfɔːr.hed/

Forehead

frente
Meaning
the part of the face above the eyebrows and below the hairline
Example
He wiped the sweat from his forehead.
Él se secó el sudor de la frente.
C1 phrase lɪˈdʒɪt.ɪ.mət sɛlf dɪˈfens

legitimate self-defense

defensa legítima
Meaning
Lawful protection of oneself from harm or attack.
Example
The country claimed it was legitimate self-defense.
El país afirmó que era defensa legítima.
B2 adjective səˈfɪs.tɪ.keɪ.tɪd

sophisticated

sofisticado
Meaning
Having great knowledge or experience of the world and knowing about fashion, culture, and other things that people think are socially important; highly developed or complex.
Example
Sophisticated designs enhance aesthetics.
Los diseños sofisticados mejoran la estética.
C2 adjective /ˈfʌsti/

fusty

húmedo y rancio
Meaning
smelling stale, damp, or stuffy; old-fashioned
Example
The room smelled fusty after being closed for months.
La habitación olía a rancio después de estar cerrada durante meses.
B1 verb /ˈedɪt/

edit

editar
Meaning
to make changes to improve or correct something
Example
I need to edit this document before submission.
Necesito editar este documento antes de la entrega.
B2 noun /ˈfreɪ.ɡrəns/

Fragrance

fragancia; perfume
Meaning
a pleasant, sweet smell; a perfume or cologne
Example
The fragrance of jasmine flowers filled the entire garden in the evening.
La fragancia de las flores de jazmín llenó todo el jardín por la tarde.
A2 verb /der/

dare

atreverse
Meaning
to have courage to do something; to challenge someone
Example
I dare you to jump into the pool.
Te desafío a saltar al agua.
C2 adjective /ˌrɛpərˈtɔːriəl/

repertorial

repertorial
Meaning
Relating to or characteristic of a repertoire, especially in journalism or performance contexts.
Example
The journalist's repertorial style captured every detail of the unfolding story.
El estilo repertorial del periodista capturó cada detalle de la historia en desarrollo.
C2 noun /ˈpruːdəri/

prudery

pudor excesivo
Meaning
the behavior or attitude of people who are too easily shocked or offended by sexual matters
Example
His prudery often made others uncomfortable during open discussions.
Su pudor excesivo a menudo hacía que los demás se sintieran incómodos durante las discusiones abiertas.
B2 noun /ˈtɔːr.ment/

Torment

tormento; sufrimiento
Meaning
severe physical or mental suffering; extreme pain or anguish
Example
The prisoner endured years of torment in solitary confinement.
El prisionero soportó años de tormento en confinamiento solitario.
B2 adjective /beər/

Bare

desnudo; descubierto; vacío; mínimo
Meaning
naked; uncovered; empty; minimal
Example
The bare walls of the room needed some decoration.
Las paredes desnudas de la habitación necesitaban algo de decoración.
C2 noun /liːən/

lien

gravamen
Meaning
A legal right to keep possession of property until a debt is paid.
Example
The bank placed a lien on the house until the mortgage was cleared.
El banco colocó un gravamen sobre la casa hasta que se pagara la hipoteca.
C1 noun /ˈɔr.ə.tər/

Orator

orador
Meaning
a public speaker, especially one who is eloquent or skilled in speaking
Example
The famous orator delivered an inspiring speech.
El famoso orador pronunció un discurso inspirador.
C1 adjective /ˌɒbsəˈliːt/

obsolete

obsoleto
Meaning
No longer in use or out of date.
Example
Floppy disks are now completely obsolete.
Los disquetes ahora están completamente obsoletos.
C1 noun /ˈledʒ.ər/

Ledger

libro mayor
Meaning
a book or other collection of financial accounts of a particular type
Example
The accountant updated the company ledger daily.
El contador actualizó el libro mayor de la empresa diariamente.
B2 noun /ˈfɔːrəm/

forum

foro
Meaning
A place, meeting, or medium where ideas and views can be exchanged.
Example
The online forum allows people to discuss a wide range of topics.
El foro en línea permite a las personas discutir una amplia gama de temas.
C2 noun /ˈstriːmlɪt/

streamlet

arroyo
Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
Un arroyo fluía a través del prado.
C1 noun /ɡaɪz/

guise

disfraz
Meaning
An external form, appearance, or manner of presentation, often hiding the true nature
Example
He approached in the guise of a friend.
Se acercó con el disfraz de amigo.
C1 verb /ˈpæs.ɪ.faɪ/

pacify

apaciguar
Meaning
To quell the anger, agitation, or excitement of someone.
Example
The mother tried to pacify her crying child.
La madre trató de apaciguar a su hijo que lloraba.
C2 noun /kæd/

Cad

canalla; grosero
Meaning
a man who behaves dishonorably, especially toward women
Example
Everyone at the party avoided him because he was known to be a cad.
Todos en la fiesta lo evitaron porque se sabía que era un canalla.
B1 noun /ˈsɛkʃən/

section

sección
Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
Esta sección del informe necesita una revisión adicional.
B1 noun, verb /ɡrɪl/

grill

parrilla / asar
Meaning
a metal frame used for cooking food over an open fire; to cook food on such a frame
Example
We grilled some chicken for dinner.
Asamos algo de pollo para la cena.
C2 verb /ɪkˈspɛktəreɪt/

expectorate

expectorar
Meaning
to cough up and spit out mucus from the throat or lungs
Example
The patient began to expectorate thick mucus.
El paciente comenzó a expectorar mucosidad espesa.
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.
B2 noun /ˌsɛpəˈreɪʃən/

Separation

separación; división; alejamiento
Meaning
the action or state of moving or being moved apart; the division of something into constituent or distinct elements
Example
The separation of the two countries was peaceful.
La separación de los dos países fue pacífica.
B1 noun prəˈpoʊzəl

proposal

propuesta
Meaning
A plan or suggestion, especially a formal or written one, put forward for consideration or discussion by others.
Example
The proposal was not sustained.
La propuesta no fue aceptada.
C1 noun /ɡrəˈfiː.ti/

Graffiti

escritura o dibujos hechos de manera ilegal en una pared u otra superficie en un lugar público
Meaning
writing or drawings scribbled, scratched, or sprayed illicitly on a wall or other surface in a public place
Example
The subway walls were covered with colorful graffiti created by local street artists.
Las paredes del metro estaban cubiertas con graffiti colorido creado por artistas locales.
B2 noun/verb /flɑːk/

flock

bandada
Meaning
a group of birds or animals; to gather or move in a crowd
Example
Tourists flocked to the beach during summer.
Los turistas se aglomeraron en la playa durante el verano.
B2 adverb /aɪˈrɒnɪkli/

ironically

irónicamente
Meaning
in a way that is contrary to what is expected or intended
Example
Ironically, the fire station burned down.
Irónicamente, la estación de bomberos se incendió.
A1 interjection;noun /ɡʊdˈbaɪ/

goodbye

adiós
Meaning
a polite expression used when leaving or ending a conversation; the act of parting
Example
She waved and said goodbye before leaving the station.
Ella saludó con la mano y dijo adiós antes de irse de la estación.
C2 verb /ˈmæk.jʊˌleɪt/

maculate

manchar
Meaning
To stain, spot, or pollute something.
Example
The white cloth was maculated by ink stains.
La tela blanca fue manchada por manchas de tinta.
C1 adjective ˌprɒb.ə.bɪˈlɪs.tɪk

probabilistic

basado en probabilidad
Meaning
Based on probability; involving chance or statistical likelihood.
Example
The model follows a probabilistic approach to predictions.
El modelo sigue un enfoque probabilístico para las predicciones.
C1 noun /ɪnˌkɑːsəˈreɪʃən/

incarceration

encarcelamiento
Meaning
the state of being imprisoned or confined
Example
The criminal faced years of incarceration for his crimes.
El criminal enfrentó años de encarcelamiento por sus crímenes.
A2 adjective /ˈwɜːrid/

worried

preocupado
Meaning
feeling anxious or concerned about something
Example
She was worried about the upcoming exam.
Ella estaba preocupada por el examen próximo.
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.
B2 noun /ˈmɪnərəl/

mineral

mineral
Meaning
a naturally occurring substance that is solid and inorganic, often used in industry or nutrition
Example
Calcium is an important mineral for strong bones.
El calcio es un mineral importante para los huesos fuertes.
C1 adjective /sɪˈnɒnɪməs/

synonymous

sinónimo
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
Para muchas personas, su nombre es sinónimo de generosidad.
C2 noun /ˌpɛdəˈɡɒdʒɪks/

pedagogics

pedagogía
Meaning
the science or art of teaching
Example
He studied pedagogics to become a better teacher.
Estudió pedagogía para convertirse en un mejor maestro.
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

palabra o característica del inglés británico
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
La palabra 'lorry' es un briticismo bien conocido.
B1 verb /piːl/

peel

pelar
Meaning
to remove the outer covering or skin from a fruit or vegetable
Example
She peeled the mango before eating it.
Ella peló el mango antes de comerlo.
C2 adjective /həˈrɛtɪkəl/

heretical

herético
Meaning
Relating to or characterized by departure from accepted beliefs or standards, especially in religion.
Example
The priest condemned the book as heretical.
El sacerdote condenó el libro como herético.
C1 noun /meɪl treɪn/

Mail train

tren correo
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
El tren postal sale todas las tardes para entregar cartas a través del país.
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

predestinar
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
Algunos creen que nuestras vidas están predestinadas por el destino.
C2 adjective /ʌnˈflɛdʒd/

unfledged

inexperto
Meaning
Inexperienced, immature, or not fully developed.
Example
The unfledged writer struggled to complete his first novel.
El escritor inexperto luchó por completar su primera novela.
C2 noun ˌpɜː.pɪˈtʃuː.ɪ.ti

perpetuity

perpetuidad, eternidad, continuidad
Meaning
Permanence, eternity, continuity.
Example
The contract ensures payments in perpetuity.
El contrato asegura pagos en perpetuidad.
C1 adjective ɡəˈlæktɪk

galactic

relacionado con la galaxia
Meaning
Of or relating to a galaxy or galaxies.
Example
The galactic phenomena observed by the telescope were mesmerizing.
Los fenómenos galácticos observados por el telescopio fueron fascinantes.
A2 verb /sɜːrv/

serve

servir
Meaning
to provide service; to work for; to offer food or drink
Example
She serves breakfast at 8 AM every morning.
Ella sirve desayuno a las 8 AM cada mañana.
B2 verb /pliːd/

plead

suplicar
Meaning
to make an emotional appeal; to present a case in court
Example
She pleaded for mercy.
Ella suplicó por misericordia.
C1 verb /ˌaʊtˈstrɪp/

outstrip

superar
Meaning
To go faster or do better than someone or something; to surpass.
Example
The company outstripped its competitors in sales last year.
La compañía superó a sus competidores en ventas el año pasado.
B2 adjective /ˌsen.tɪˈmen.təl/

Sentimental

sentimental
Meaning
having tender feelings; being emotional about memories or experiences
Example
She became sentimental when looking at old family photographs.
Ella se volvió sentimental al mirar las viejas fotografías de la familia.
B2 noun /ˈkɒl.ər/

Collar

collar
Meaning
a band of material around the neck; in jewelry context, a close-fitting necklace
Example
She wore an elegant pearl collar to the formal dinner.
Ella llevaba un elegante collar de perlas a la cena formal.
C2 adjective /ˈdʒɜːrmɪnəl/

germinal

germinal
Meaning
Relating to the earliest stage of development.
Example
The idea was still in its germinal stage.
La idea todavía estaba en su etapa germinal.
C1 noun /rɪˈdʌn.dəns/

Redundance

redundancia
Meaning
the state of being not or no longer needed or useful; superfluous repetition of information
Example
The document contained redundance that made it unnecessarily long.
El documento contenía redundancia que lo hacía innecesariamente largo.
C2 noun /ˌmɪsədˈvɛntʃər/

misadventure

mala aventura
Meaning
An unlucky accident, mishap, or unfortunate event.
Example
He broke his leg during a skiing misadventure.
Se rompió la pierna durante una mala aventura en esquí.
C2 noun/adjective /ˈtraɪkʌlər/

tricolor

bandera tricolor
Meaning
A flag with three colors; consisting of three colors.
Example
The French tricolor is one of the most famous national flags in the world.
La bandera tricolor francesa es una de las banderas nacionales más famosas del mundo.
C2 noun /meɪs/

Mase

mace
Meaning
spice obtained from the reddish seed covering of the nutmeg seed
Example
A pinch of mace adds warmth to the dessert.
Un poco de mace añade calidez al postre.
A2 noun /hɔːl/

Hall

salón; pasillo
Meaning
a large room for meetings, concerts, or other events; a corridor in a building
Example
The graduation ceremony was held in the main hall of the university.
La ceremonia de graduación se celebró en el salón principal de la universidad.
C2 noun /ˈkɒɡ.nɪ.zəns/

cognizance

conciencia
Meaning
Awareness, knowledge, or understanding of something; conscious perception.
Example
The judge took cognizance of the new evidence.
El juez tomó conciencia de la nueva evidencia.
A1 pronoun /wɒt/

what

qué
Meaning
used to ask for information about something
Example
What is your name?
¿Cuál es tu nombre?
B2 noun/verb /kjuː/

cue

señal
Meaning
A signal or prompt for action; to give a signal.
Example
The actor waited for his cue before entering the stage.
El actor esperó su señal antes de entrar al escenario.
B2 adverb /ɔːˈθentɪkli/

authentically

auténticamente
Meaning
in a genuine, real, or true manner; in a way that reflects true character or origin
Example
She speaks authentically about her experiences.
Ella habla auténticamente sobre sus experiencias.
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.
C2 noun /lɑːrˈʒes/

largess

generosidad
Meaning
Generosity in giving gifts or money.
Example
The foundation survived thanks to the largess of wealthy donors.
La fundación sobrevivió gracias a la generosidad de los donantes adinerados.
B2 adjective /rɪˈspek.tə.bəl/

Respectable

respetable
Meaning
worthy of respect; having good reputation; decent
Example
He comes from a respectable family in the community.
Él viene de una familia respetable en la comunidad.
B2 verb /ɪnˈhæbɪt/

inhabit

habitar
Meaning
to live in; to occupy as a dwelling
Example
Many animals inhabit the forest.
Muchos animales habitan el bosque.
B2 noun /ˈsɪmfəni/

Symphony

sinfonía
Meaning
an elaborate musical composition for full orchestra, typically in four movements
Example
The orchestra performed Beethoven's Fifth Symphony.
La orquesta interpretó la Quinta Sinfonía de Beethoven.
C2 verb /ˈvaʊtʃ.seɪf/

vouchsafe

conceder
Meaning
to grant or give something in a gracious or condescending manner
Example
He vouchsafed them a rare smile.
Él les concedió una rara sonrisa.
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.
B2 noun /bɪˈtreɪəl/

Betrayal

traición; deslealtad
Meaning
the action of betraying one's country, group, or person; disloyalty
Example
His betrayal of their friendship hurt her deeply.
Su traición a su amistad le dolió profundamente.
C1 adjective /ˈbuːzi/

boozy

alcohólico
Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
La fiesta se volvió alcohólica a medida que avanzaba la noche.
B2 adjective ˈskɒl.ə.li

scholarly

erudito
Meaning
Having or showing great knowledge or learning; academic in approach or method.
Example
He wrote a scholarly article on ancient philosophy.
Escribió un artículo erudito sobre la filosofía antigua.
C1 verb /ˈpæri/

parry

desviar un ataque
Meaning
to ward off or deflect an attack, especially in fencing or conversation
Example
He managed to parry the opponent’s sword with quick reflexes.
Él logró desviar la espada del oponente con reflejos rápidos.
A1 adjective, noun, adverb, verb (past tense of leave) /lɛft/

left

izquierda
Meaning
on or towards the side of the body that is to the west when facing north
Example
He turned left at the intersection.
Él giró a la izquierda en la intersección.
B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

laboratorio
Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
Los científicos realizaron sus experimentos en el laboratorio bien equipado.
B1 noun /θroʊt/

Throat

garganta; tráquea; parte del cuello
Meaning
the passage that leads from the back of the mouth to the stomach and lungs; the front part of the neck
Example
He had a sore throat and couldn't speak clearly.
Él tenía dolor de garganta y no podía hablar claramente.
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

ilegibilidad
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
La letra del médico era famosa por su ilegibilidad entre el personal de la farmacia.
C1 noun /ˈsaɪd.laɪn dɪˈskʌʃənz/

sideline discussions

discusiones secundarias
Meaning
Informal or secondary conversations that occur outside the main agenda of a formal meeting.
Example
Sideline discussions often lead to agreements.
Las discusiones secundarias a menudo conducen a acuerdos.
A2 verb tʃeɪs

chase

perseguir
Meaning
To pursue in order to catch or overtake; to follow rapidly or eagerly
Example
Don't chase two rabbits at once.
No persigas dos conejos a la vez.
C1 adjective /snaɪd/

snide

irónico
Meaning
mocking or insulting in an indirect way
Example
He couldn’t resist making a snide comment about her dress.
No pudo evitar hacer un comentario irónico sobre su vestido.
A2 noun /mɔːl/ or /mæl/

mall

centro comercial
Meaning
a large building or series of connected buildings containing shops and restaurants
Example
They went to the mall to buy new clothes.
Fueron al centro comercial para comprar ropa nueva.
C2 verb /ˈɑːbvieɪt/

obviate

eliminar
Meaning
To remove a need or difficulty; to prevent or avoid something.
Example
This new system obviates the need for manual data entry.
Este nuevo sistema elimina la necesidad de ingresar datos manualmente.
A2 adjective /ˈnɔːti/

naughty

travieso
Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
El niño travieso dibujó en las paredes con crayones.
B1 verb /kəˈmænd/

command

orden
Meaning
to give an order authoritatively; to control or direct
Example
The general commanded the soldiers to move forward.
El general ordenó a los soldados avanzar.
C2 adjective /pruːˈdɛnʃəl/

prudential

prudencial
Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
El banco ha establecido reglas prudenciales para proteger a los depositantes.
B2 adverb /əˈfɪʃəli/

officially

oficialmente
Meaning
in a formal or authorized way
Example
The building was officially opened by the mayor.
El edificio fue oficialmente inaugurado por el alcalde.