eureka
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C1 exclamation /juˈriːkə/

eureka

¡Eureka!
Meaning
An exclamation used to express a sudden discovery or realization.
Example
When the solution finally came to him, he shouted, 'Eureka!'
Cuando finalmente encontró la solución, gritó, '¡Eureka!'
C1 noun /ˈtrɪp.lət/

triplet

trillizo
Meaning
One of three children or animals born at the same time to the same mother.
Example
The family was surprised to have triplets instead of twins.
La familia se sorprendió al tener trillizos en lugar de gemelos.
C2 noun /pərˈsɪpiəns/

percipience

capacidad de percepción
Meaning
The ability to perceive, understand, or notice things quickly.
Example
His percipience in reading people made him a great negotiator.
Su capacidad de percepción al leer a las personas lo convirtió en un gran negociador.
B1 noun /ɪˈdɪʃən/

edition

edición
Meaning
a particular version or printing of a book, newspaper, or other publication
Example
The latest edition of the magazine sold out quickly.
La última edición de la revista se vendió rápidamente.
C1 noun /ˈænərki/

anarchy

anarquía
Meaning
a state of disorder due to the absence or failure of government or authority
Example
The collapse of the regime led to anarchy in the streets.
El colapso del régimen llevó a la anarquía en las calles.
B2 noun /ˈænsestri/

ancestry

ascendencia
Meaning
one’s family origins or lineage
Example
He is proud of his royal ancestry.
Él está orgulloso de su ascendencia real.
C2 noun /pʌɡˈnæsɪti/

pugnacity

pugnacidad
Meaning
A natural disposition to be combative or aggressive.
Example
The coach admired the player's pugnacity on the field.
El entrenador admiraba la pugnacidad del jugador en el campo.
B2 verb /tʌk/

tuck

meter
Meaning
to push or fold something neatly into a particular place
Example
She tucked the blanket around the baby to keep him warm.
Ella metió la manta alrededor del bebé para mantenerlo caliente.
C1 verb /ɪnˈdʌkt/

induct

admitir formalmente a alguien en una posición, organización o cargo
Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
Ella fue admitida en la sociedad de honor de la universidad.
C1 noun /fjuːd/

feud

disputa, enemistad
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
Las dos familias han estado en una disputa durante generaciones.
B2 adjective /sɔːr/

sore

dolorido
Meaning
painful or aching, usually in a specific part of the body
Example
After the long run, my legs were sore.
Después de la carrera larga, mis piernas estaban doloridas.
C2 verb /feɪz/

faze

perturbar
Meaning
to disturb or disconcert someone; to cause to feel unsettled
Example
She was not fazed by the unexpected question.
Ella no se perturbó por la pregunta inesperada.
B1 adjective /ˈrʊr.əl/

Rural

rural
Meaning
relating to the countryside; characteristic of farming or country life
Example
She grew up in a rural area far from the city.
Ella creció en una zona rural, lejos de la ciudad.
C2 noun /ˌhɛtərəʤəˈniːɪti/

heterogeneity

heterogeneidad
Meaning
the quality or state of being diverse in character or content
Example
The cultural heterogeneity of the city makes it vibrant and unique.
La heterogeneidad cultural de la ciudad la hace vibrante y única.
C2 noun /ˈfaɪləm/

phylum

un categoría principal en la clasificación biológica, por encima de la clase y por debajo del reino
Meaning
a primary category in the biological classification of organisms, above class and below kingdom
Example
Humans belong to the phylum Chordata.
Los humanos pertenecen al filo Chordata.
C2 noun /aɪər/

ire

ira, enojo
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
La nueva política provocó la ira de los empleados.
C1 noun /plɔɪ/

ploy

estratagema astuta
Meaning
a clever plan or action designed to gain an advantage
Example
She used a clever ploy to win the debate.
Ella usó una táctica astuta para ganar el debate.
C2 verb /ɛkˈskɔːrieɪt/

excoriate

criticar severamente
Meaning
To strongly criticize someone; to denounce severely.
Example
The critic excoriated the film for its poor script.
El crítico criticó severamente la película por su guion deficiente.
A1 noun /ˈʌŋkəl/

uncle

tío
Meaning
the brother of one's father or mother
Example
My uncle is visiting us next week.
Mi tío nos visitará la próxima semana.
C2 noun /ɪˈnɪkwɪti/

iniquity

iniquidad
Meaning
Immoral or grossly unfair behavior.
Example
The dictator's regime was marked by corruption and iniquity.
El régimen del dictador estuvo marcado por la corrupción y la iniquidad.
C1 noun prəˈpʌl.ʃən

propulsion

propulsión
Meaning
The action of driving or pushing forward.
Example
Jet engines provide propulsion for aircraft to travel long distances.
Los motores a reacción proporcionan propulsión a las aeronaves para viajar largas distancias.
C1 adjective /kənˈstreɪnd/

constrained

limitado, forzado
Meaning
appearing forced, unnatural, or restricted
Example
He gave a constrained smile during the awkward meeting.
Él dio una sonrisa forzada durante la reunión incómoda.
B2 noun ˈhæbɪtæt lɒs

Habitat Loss

pérdida de hábitat
Meaning
The destruction or disappearance of natural environments where organisms live.
Example
Habitat loss is one of the biggest threats to butterflies.
La pérdida de hábitat es una de las mayores amenazas para las mariposas.
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

desarrollo infraestructural
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
El desarrollo infraestructural es necesario para el reciclaje eficiente.
B1 verb /oʊ/

owe

deber
Meaning
to be under obligation to pay or repay; to be indebted
Example
I owe my success to my parents' support.
Le debo mi éxito al apoyo de mis padres.
B1 noun /rɪˈzɔː.sɪz/

resources

recursos
Meaning
A stock or supply of money, materials, staff, and other assets.
Example
The region was rich in herbal resources.
La región estaba rica en recursos herbales.
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

hipócrita; farsante; impostor
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
No seas un hipócrita exigiendo honestidad de los demás mientras mientes tú mismo.
B1 noun /ˈkɑn.træst/

Contrast

contraste; diferencia; comparación
Meaning
the state of being strikingly different from something else; comparison showing differences
Example
The contrast between city life and rural life is quite remarkable.
El contraste entre la vida urbana y la vida rural es bastante notable.
C2 noun /ˈfærɪsiː/

pharisee

persona hipócrita
Meaning
A member of an ancient Jewish sect; by extension, a self-righteous or hypocritical person.
Example
He acted like a pharisee, judging others while ignoring his own faults.
Él actuó como un fariseo, juzgando a los demás mientras ignoraba sus propios errores.
C1 verb /ˈɒp.tɪ.maɪz/

optimize

optimizar
Meaning
To make the best or most effective use of a situation, opportunity, or resource.
Example
The company is working to optimize its supply chain.
La empresa está trabajando para optimizar su cadena de suministro.
B2 adverb /ˈbəʊld.li/

Boldly

valientemente; sin miedo
Meaning
in a confident and brave way; without fear
Example
She boldly stepped forward to face the challenge.
Ella dio un paso adelante con valentía para enfrentar el desafío.
A2 verb /riːˈsaɪ.kəl/

recycle

reciclar
Meaning
to process used materials so they can be used again instead of being thrown away
Example
We should recycle paper and plastic to reduce waste.
Debemos reciclar papel y plástico para reducir los residuos.
C2 adjective /ɪnˈvɪdiəs/

invidious

envidioso
Meaning
likely to arouse resentment, envy, or anger in others
Example
The manager's invidious remarks created tension among the employees.
Los comentarios envidiosos del gerente crearon tensión entre los empleados.
B2 adjective /ˈstɑːrtəld/

startled

sobresaltado
Meaning
suddenly shocked or surprised by something unexpected
Example
She was startled by the loud noise outside.
Ella se sobresaltó por el ruido fuerte afuera.
C1 verb /ˈmæɡnɪfaɪ/

magnify

magnificar
Meaning
to make something appear larger; to increase the importance or effect of something
Example
The microscope can magnify tiny objects for better observation.
El microscopio puede magnificar objetos pequeños para mejor observación.
C2 verb /ˈkɒd.l̩/

coddle

mimar en exceso
Meaning
to treat someone with excessive care or kindness, often in a way that is overprotective
Example
Parents should support their children without coddling them.
Los padres deberían apoyar a sus hijos sin mimarlos.
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

regar
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
Los agricultores riegan sus campos durante la temporada seca.
B1 adjective /ˌoʊvərˈsiːz/

overseas

en el extranjero
Meaning
in or to a foreign country across the sea
Example
He went overseas for higher education.
Él fue al extranjero para estudiar.
B2 adverb /ˌnɛvəðəˈlɛs/

nevertheless

sin embargo
Meaning
in spite of that; however
Example
He was tired; nevertheless, he kept working.
Él estaba cansado; sin embargo, siguió trabajando.
B2 noun /ˈvɛtərən/

veteran

persona experimentada / exmilitar
Meaning
a person who has long experience in a particular field or an ex-member of the armed forces
Example
He is a veteran of the software industry.
Él es un veterano de la industria del software.
B2 adjective ænˈtɪsɪpeɪtɪd

anticipated

anticipado
Meaning
Expected or predicted to happen; foreseen in advance.
Example
The anticipated growth exceeded the city's capacity.
El crecimiento anticipado superó la capacidad de la ciudad.
C2 noun /traɪˈʌmvɪər/

triumvir

triunviro
Meaning
One of a group of three men holding power in ancient Rome.
Example
Caesar was a triumvir in the first Roman triumvirate.
César fue un triunviro en el primer triunvirato romano.
B2 noun, verb /ˈdeɪ.bjuː/

debut

debut
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
El joven actor hizo su debut en el gran escenario.
C2 verb /ˈlɔɪtər/

loiter

merodear, estar de pie sin propósito
Meaning
To stand or wait around idly without apparent purpose.
Example
The teenagers were told not to loiter outside the shop.
Se les dijo a los adolescentes que no merodearan fuera de la tienda.
A2 preposition /riː/

re

respecto a
Meaning
concerning or about (used in formal letters or emails)
Example
The letter was sent re your recent application.
La carta fue enviada respecto a tu reciente solicitud.
C2 noun /ˈoʊ.vər.let/

Overlet

colchón adicional
Meaning
a thin mattress or pad placed over a bed for additional comfort
Example
The overlet makes the bed more comfortable to sleep on.
El overlet hace la cama más cómoda para dormir.
C2 adjective /spraɪ/

spry

ágil
Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
La abuela ágil sorprendió a todos con sus rápidos pasos de baile.
C1 noun /əˈpærəl/

apparel

ropa
Meaning
Clothing, especially formal or special clothes.
Example
The store specializes in wedding apparel.
La tienda se especializa en ropa de boda.
C2 adjective /ˈtjuːtɪlɑːr/

tutelar

tutelario
Meaning
Serving as a guardian or protector.
Example
The tutelar spirit of the forest was believed to protect travelers.
Se creía que el espíritu tutelar del bosque protegía a los viajeros.
C1 noun /ɪnˈdjuːsmənt/

inducement

inducido
Meaning
something that persuades or encourages someone to do something
Example
The company offered a bonus as an inducement to employees.
La empresa ofreció un bono como incentivo para los empleados.
B2 adjective /ˌdɪsədˈvæntɪdʒd/

disadvantaged

desfavorecido
Meaning
Lacking the basic resources or conditions needed for a good standard of living or equal opportunities.
Example
The program provides support to disadvantaged children.
El programa proporciona apoyo a los niños desfavorecidos.
C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

insaciable
Meaning
impossible to satisfy; always wanting more
Example
Her insatiable curiosity drove her to read every book in the library.
Su insaciable curiosidad la llevó a leer todos los libros de la biblioteca.
C1 noun /ˈpoʊdiətrɪst/

podiatrist

podólogo
Meaning
a doctor specializing in foot care
Example
I have an appointment with the podiatrist for my ankle pain.
Tengo una cita con el podólogo para el dolor de tobillo.
B2 noun /ˌdel.ɪˈɡeɪ.ʃən/

delegation

delegación
Meaning
A group of people chosen to represent others in negotiations or discussions.
Example
The delegation presented their country's agenda.
La delegación presentó la agenda de su país.
B2 adjective ˌkɒn.trəˈvɜː.ʃəl

controversial

controvertido
Meaning
Giving rise to public disagreement or heated discussion.
Example
The policy remains controversial.
La política sigue siendo controvertida.
B2 noun /ʌnˈsɜːrtənti/

Uncertainty

incertidumbre; duda o falta de certeza
Meaning
the state of being uncertain; doubt or lack of sureness
Example
The uncertainty about the weather delayed our trip.
La incertidumbre sobre el clima retrasó nuestro viaje.
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

desprestigio
Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
El escándalo llevó al político al desprestigio.
B1 noun /ˈmɛdəl/

medal

medalla
Meaning
a piece of metal given as an award for achievement
Example
She won a gold medal in the 100-meter race.
Ganó una medalla de oro en la carrera de 100 metros.
C1 adjective /ˈrez.ə.luːt/

Resolute

resuelto; firme; decidido
Meaning
determined; having a firm decision; unwavering
Example
She remained resolute in her decision to pursue her dreams.
Ella permaneció resuelta en su decisión de seguir sus sueños.
B2 noun /ˈkəʊ.tɪŋ/

coating

recubrimiento
Meaning
A protective or decorative layer applied to a surface.
Example
A protective coating prevents rust formation.
Un recubrimiento protector evita la formación de óxido.
B1 adjective /ˌɪmpəˈlaɪt/

impolite

grosero
Meaning
Not showing good manners; rude.
Example
It is impolite to interrupt someone while they are speaking.
Es grosero interrumpir a alguien mientras está hablando.
C2 noun /ɛθˈnɒlədʒi/

ethnology

etnología
Meaning
the study of the characteristics of different peoples and the differences and relationships between them
Example
She specialized in ethnology to better understand cultural diversity.
Ella se especializó en etnología para entender mejor la diversidad cultural.
C2 adjective /kənˈtraɪt/

contrite

arrepentido
Meaning
feeling or showing remorse or guilt
Example
She was contrite after realizing her mistake.
Ella estaba arrepentida después de darse cuenta de su error.
A2 adjective /ˌdʒæpəˈniːz/

japanese

japonés
Meaning
relating to Japan, its people, or their language
Example
She loves Japanese culture and traditions.
A ella le encanta la cultura y las tradiciones japonesas.
B2 noun, verb /treɪs/

trace

trazo
Meaning
a mark, object, or sign that shows the existence or development of something
Example
She traced the path of the river on the map.
Ella trazó el camino del río en el mapa.
C1 noun /ˈwɒrənt/

Warrant

orden judicial
Meaning
a legal document that gives police the authority to do something; justification or authority for an action
Example
The police obtained a search warrant before entering the building.
La policía obtuvo una orden de registro antes de entrar en el edificio.
B2 adjective /ˈtaɪərləs/

tireless

incansable
Meaning
Showing great effort or energy without becoming tired.
Example
She worked tirelessly to complete the project on time.
Trabajó incansablemente para completar el proyecto a tiempo.
C1 noun ˌtrɪbjʊˈleɪʃən

tribulation

tribulación
Meaning
A difficult time or suffering experience
Example
He endured many tribulations in his early years.
Él soportó muchas tribulaciones en sus primeros años.
B2 noun /ˈskɔːr.pi.ən/

Scorpion

escorpión
Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
El escorpión se escondió debajo de la roca durante el día.
C2 noun /ɛˌspriː də ˈkɔːr/

esprit de corps

sentimiento de grupo
Meaning
A feeling of pride, fellowship, and loyalty shared by members of a group.
Example
The team's esprit de corps was evident in their cooperative effort.
El sentimiento de grupo del equipo era evidente en su esfuerzo cooperativo.
C1 verb /ˈtɑːtər/

totter

tambalearse
Meaning
To move unsteadily, as if about to fall; to be on the point of collapse.
Example
The old man tottered across the street with a cane.
El viejo se tambaleó por la calle con un bastón.
B2 noun /moʊd/

Mode

modo; forma
Meaning
a way or manner in which something occurs or is done; a setting
Example
The computer has a sleep mode to save energy.
El computador tiene un modo de suspensión para ahorrar energía.
C1 verb /sɪˈdjuːs/

seduce

seducir
Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
El anuncio estaba diseñado para seducir a los clientes a comprar productos de lujo.
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

regenerar
Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
El lagarto puede regenerar su cola perdida.
C2 verb /ˈhæri/

harry

acosar, hostigar
Meaning
to constantly attack, harass, or annoy
Example
The army harried the enemy with sudden raids.
El ejército acosó al enemigo con incursiones repentinas.
B2 noun /ˈsiːkər/

seeker

buscador
Meaning
a person who is looking for something, especially knowledge or truth
Example
The seeker traveled far to find the answers to his questions.
El buscador viajó lejos para encontrar las respuestas a sus preguntas.
B2 noun ˈlɪv.ɪŋ ˈstæn.dədz

living standards

estándares de vida
Meaning
The degree of wealth and material comfort available to a person or community; quality of life.
Example
High living standards improve satisfaction.
Altos estándares de vida mejoran la satisfacción.
C2 noun /ˌpraɪvəˈtɪə/

privateer

corsario
Meaning
A privately owned armed ship authorized by a government to attack enemy ships during war.
Example
The privateer captured several enemy vessels during the conflict.
El corsario capturó varios barcos enemigos durante el conflicto.
C1 verb /skwɪnt/

squint

entrecerrar los ojos
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
Ella entrecerró los ojos por la luz brillante del sol.
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

evolutivo
Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
Los cambios evolutivos en las especies son fascinantes.
C1 noun /ˈlaɪm.laɪt/

Limelight

el centro de atención pública; una luz brillante producida al calentar un cilindro de cal
Meaning
the focus of public attention; a bright light produced by heating a cylinder of lime
Example
The celebrity enjoyed being in the limelight.
La celebridad disfrutó estar en el centro de atención.
C2 adjective /boʊˈhiːmiən/

bohemian

bohemio
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
Decoró su apartamento con un estilo bohemio usando telas coloridas.
A2 verb /ˈkænsəl/

cancel

cancelar
Meaning
to decide that something planned will not take place
Example
The flight was canceled due to heavy rain.
El vuelo fue cancelado debido a la lluvia intensa.
C2 noun /ˈflɒtsəm/

flotsam

escombros flotantes
Meaning
Floating debris from a shipwreck or things discarded and left floating.
Example
The beach was littered with flotsam after the storm.
La playa estaba llena de escombros flotantes después de la tormenta.
C1 noun /ˈfjuː.tʃə.rɪst/

futurist

futurista
Meaning
A person who studies or predicts the future, especially trends in science, technology, or society.
Example
The futurist predicted major changes in transportation within the next decade.
El futurista predijo grandes cambios en el transporte dentro de la próxima década.
B1 noun /ˈneɪbərˌhʊd/

neighborhood

vecindario
Meaning
a district or area around or near a particular place
Example
I grew up in a quiet neighborhood.
Crecí en un vecindario tranquilo.
C1 adjective /ˈmærɪtəl/

marital

conyugal
Meaning
Relating to marriage or the relationship between husband and wife.
Example
They sought counseling to resolve their marital issues.
Buscaron asesoramiento para resolver sus problemas conyugales.
C1 verb /əˈlɒt/

allot

felicidad
Meaning
to give or assign something, often a share or portion, to someone
Example
Each student was allotted ten minutes to present.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 adjective /θiːˈmætɪk/

thematic

temático
Meaning
Relating to or based on a theme.
Example
The book is organized into thematic chapters.
El libro está organizado en capítulos temáticos.
A2 noun /ˈtiːneɪdʒər/

teenager

adolescente
Meaning
a person aged between 13 and 19 years.
Example
Teenagers often enjoy hanging out with friends.
Los adolescentes a menudo disfrutan pasar el rato con amigos.
C2 adjective /aɪˈtɪnərənt/

itinerant

itinerante
Meaning
Traveling from place to place, especially for work or duty.
Example
The itinerant teacher moved from village to village to educate children.
El maestro itinerante se movía de pueblo en pueblo para educar a los niños.
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

sargento de armas
Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
El sargento de armas escoltó al miembro disruptivo fuera del salón.
C1 noun /ˈpræɡ.mə.tɪ.zəm/

pragmatism

pragmatismo
Meaning
A practical approach to problems and affairs; dealing with things sensibly and realistically.
Example
His pragmatism helped solve the financial crisis.
Su pragmatismo ayudó a resolver la crisis financiera.
B1 noun /ˈθʌn.dər/

Thunder

trueno
Meaning
the loud rumbling sound that follows lightning; to make a loud deep sound
Example
We heard thunder rolling across the sky.
Escuchamos el trueno rodando a través del cielo.
B2 adjective /ɪnˈtɛnsɪv/

intensive

intenso
Meaning
Involving a lot of effort, energy, or concentration in a short period of time.
Example
She attended an intensive English course before moving abroad.
Ella asistió a un curso intensivo de inglés antes de mudarse al extranjero.
A1 verb /let/

let

permitir
Meaning
to allow someone to do something; to give permission
Example
Please let me help you with that task.
Por favor, déjame ayudarte con esa tarea.
C2 noun /ˌvælədɪkˈtɔːriən/

valedictorian

mejor estudiante
Meaning
The student with the highest academic achievements in a graduating class, often chosen to give the farewell speech.
Example
She was honored as the valedictorian of her class.
Fue honrada como la mejor estudiante de su clase.
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

carta blanca
Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
El gerente dio a su equipo carta blanca para diseñar el proyecto.
C2 adverb /ˈdɑːrklɪŋ/

darkling

en la oscuridad
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
Las criaturas del bosque se movían en la oscuridad durante la noche.
B2 noun /ˈɡɑːr.di.ən/

Guardian

guardián; tutor
Meaning
a defender, protector, or keeper; a person legally responsible for the care of someone unable to manage their own affairs
Example
After her parents died, her uncle became her legal guardian and took care of her.
Después de que sus padres murieron, su tío se convirtió en su guardián legal y se encargó de su cuidado.
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

desconectar
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
Trató de desconectarse de la acalorada discusión.
B2 noun /ˈhaɪdrədʒən/

hydrogen

hidrógeno
Meaning
a colorless, odorless, highly flammable gas that is the lightest and most abundant chemical element in the universe
Example
Hydrogen is used as a clean fuel in many energy systems.
El hidrógeno se utiliza como un combustible limpio en muchos sistemas de energía.
C2 noun /ˌkɑːnfɔːrˈmeɪʃən/

conformation

conformación
Meaning
The shape, structure, or arrangement of something.
Example
The scientist studied the molecular conformation of the protein.
El científico estudió la conformación molecular de la proteína.
B1 adjective /ˈprɛɡnənt/

pregnant

embarazada; significativa
Meaning
having a child developing in the womb; also, full of meaning or significance
Example
She announced that she was three months pregnant.
Ella anunció que estaba embarazada de tres meses.
B1 noun ˈkraɪsɪs

crisis

crisis
Meaning
A time of intense difficulty, trouble, or danger.
Example
The financial crisis affected global markets.
La crisis financiera afectó a los mercados mundiales.
C2 noun /ˈbræɡərt/

braggart

fanfarrón
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
Nadie lo quería porque era un fanfarrón.
B2 noun/adjective /ˈvɪntɪdʒ/

vintage

vintage / clásico
Meaning
Relating to high quality from the past; classic; also the year of a wine harvest.
Example
She wore a vintage dress from the 1950s.
Ella llevaba un vestido vintage de los años 50.
B2 verb, noun /ɪkˈsplɔɪt/

exploit

explotar / hacer uso de
Meaning
to make full use of and derive benefit from (a resource); to use someone unfairly for one’s own advantage
Example
The company was accused of exploiting child labor.
La compañía fue acusada de explotar el trabajo infantil.
C1 noun ˌɪrɪˈvɜːrsəbl ˈdæmɪdʒ

irreversible damage

daño irreversible
Meaning
Harm or injury that cannot be undone or repaired.
Example
Climate change causes irreversible damage to ecosystems.
El cambio climático causa daño irreversible a los ecosistemas.
C2 noun /ˈmʌɡwʌmp/

mugwump

persona ajena a la política de partidos
Meaning
a person who remains independent from party politics or remains aloof from disputes
Example
He was called a mugwump for refusing to join either political side.
Se le llamó mugwump por negarse a unirse a cualquiera de los dos lados políticos.
A1 noun /ˈprɒb.ləm/

Problem

problema
Meaning
a situation that causes difficulties and needs to be dealt with or solved
Example
We need to solve this problem quickly.
Necesitamos resolver este problema rápidamente.
C2 verb /ˈsʌn.dər/

sunder

separar
Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
La guerra separó familias y amigos.
C1 adjective /ˈtɛnəbl/

tenable

defendible
Meaning
able to be defended or maintained against attack or objection
Example
His argument was strong and tenable in court.
Su argumento fue fuerte y defendible en la corte.
B2 verb /kweɪk/

quake

temblar
Meaning
to shake or tremble, often due to fear or a natural event like an earthquake
Example
The ground began to quake during the earthquake.
El suelo comenzó a temblar durante el terremoto.
A2 adjective /ˈkeər.fəl/

Careful

cuidadoso; cauteloso; atento
Meaning
taking care to avoid potential problems or dangers; cautious; attentive
Example
Be careful when crossing the busy street during rush hour.
Sé cuidadoso al cruzar la calle en hora punta.
C1 verb /ˈɡlædən/

gladden

alegrar
Meaning
to make someone happy or bring joy
Example
The news of her recovery gladdened everyone.
La noticia de su recuperación alegró a todos.
C2 noun /ˈɡoʊld.moʊ.hɜːr/

Goldmohur

flamboyán
Meaning
A tropical tree with bright orange-red flowers, also known as flame tree or royal poinciana
Example
The goldmohur tree bloomed beautifully in the summer heat.
El árbol Goldmohur floreció hermosamente en el calor del verano.
C2 noun /ˈzel.ət/

zealot

fanático
Meaning
A person who is fanatical and uncompromising in pursuit of their ideals.
Example
He was considered a zealot for his strict political views.
Se le consideraba un fanático por sus estrictas opiniones políticas.
C2 verb /kəˈmɪz.ə.reɪt/

commiserate

expresar simpatía o compasión por la desgracia de alguien
Meaning
To express sympathy or compassion for someone's misfortune.
Example
She called her friend to commiserate after his loss.
Ella llamó a su amigo para compadecerse después de su pérdida.
C2 adjective /dɪˈsɛnʃənt/

dissentient

disidente
Meaning
Expressing or holding opinions that are opposed to the majority or official view.
Example
Only a few dissentient voices were heard during the debate.
Solo unas pocas voces disidentes se escucharon durante el debate.
B2 verb /ˈbrɔːdən/

broaden

ampliar
Meaning
to make wider or larger in scope; to expand ideas, experience, or understanding
Example
Travel can broaden your perspective on different cultures.
Viajar puede ampliar tu perspectiva sobre diferentes culturas.