Air force
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
B1 noun /ˈeər fɔːrs/

Air force

fuerza aérea
Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
La fuerza aérea realizó un ejercicio de entrenamiento sobre las montañas.
A1 noun/adjective/adverb /ˌaʊtˈsaɪd/

outside

afuera
Meaning
the external part or surface of something; beyond the boundary
Example
Children were playing outside in the yard.
Los niños estaban jugando afuera en el jardín.
C1 verb /ɜːr/

err

errar
Meaning
to make a mistake or be incorrect
Example
To err is human, to forgive divine.
Errar es humano, perdonar es divino.
B2 noun /ˈmɪsaɪl/ or /ˈmɪsəl/

missile

misil
Meaning
a weapon that is self-propelled and directed toward a target
Example
The army launched a missile towards the enemy base.
El ejército lanzó un misil hacia la base enemiga.
C2 verb /kənˈdəʊl/

condole

expresar simpatía
Meaning
To express sympathy for someone who is suffering or grieving.
Example
Neighbors came to condole with the family after the tragedy.
Los vecinos vinieron a expresar simpatía con la familia después de la tragedia.
C1 noun /ˈkænən/

canon

cánon
Meaning
A general law, rule, principle, or collection of sacred books accepted as genuine.
Example
The book is now considered part of the literary canon.
El libro ahora se considera parte del canon literario.
B1 noun /bɪərd/

Beard

barba
Meaning
hair that grows on the chin and lower cheeks of a man's face
Example
He grew a long beard during the winter months.
Él dejó crecer una barba larga durante los meses de invierno.
C2 verb /trəˈdjuːs/

traduce

difamar
Meaning
To speak badly of someone or tell lies to damage their reputation.
Example
He was furious when he found out that his rivals had traduced him.
Estaba furioso cuando descubrió que sus rivales lo habían difamado.
B2 noun, adjective /ˈsoʊʃəlɪst/

socialist

socialista
Meaning
a person who advocates for socialism; relating to socialism
Example
He is a well-known socialist writer.
Él es un conocido escritor socialista.
B2 adjective /ɡeɪ/

gay

gay
Meaning
sexually attracted to people of the same sex; also used to mean cheerful or lively
Example
He came out as gay during college.
Salió del armario como gay durante la universidad.
B2 noun /ˈblɒkˌtʃeɪn/

blockchain

cadena de bloques
Meaning
A system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system
Example
Blockchain technology ensures transparency in financial transactions.
La tecnología de la cadena de bloques garantiza la transparencia en las transacciones financieras.
C2 noun /ˈaɪ.sɔːr/

Eyesore

ultraje visual; cosa desagradable de ver
Meaning
something that is very ugly and unpleasant to look at
Example
The abandoned building has become an eyesore in the neighborhood.
El edificio abandonado se ha convertido en un ultraje visual en el vecindario.
B1 noun /aʊl/

Owl

búho
Meaning
a nocturnal bird of prey with large eyes and a hooked beak
Example
The owl hooted softly in the darkness of the forest.
El búho hooteó suavemente en la oscuridad del bosque.
C2 verb /fɔːrˈboʊd/

forebode

presagiar
Meaning
To predict or have a strong inner feeling of a future misfortune or evil.
Example
Dark clouds forebode a coming storm.
Las nubes oscuras presagian una tormenta venidera.
B2 noun ˈiː.kəʊˌsɪs.təm

ecosystem

ecosistema
Meaning
A biological community of interacting organisms and their physical environment.
Example
A balanced ecosystem is crucial for environmental sustainability.
Un ecosistema equilibrado es crucial para la sostenibilidad ambiental.
A2 noun /ədˈvaɪs/

advice

consejo
Meaning
Guidance or recommendations offered with regard to prudent future action.
Example
Experts provide advice for better air quality.
Los expertos brindan consejos para mejorar la calidad del aire.
C2 noun /ˈlev.ɪ.ti/

Levity

ligereza; frivolidad; falta de respeto
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
La levidad en la sala del tribunal fue inapropiada.
C1 verb /pɜːrtʃ/

perch

posarse en algo alto o estrecho
Meaning
To sit or rest on something high or narrow.
Example
The bird perched on the fence.
El pájaro se posó en la valla.
B1 noun /ˈsteɪtəs/

status

estado
Meaning
the social or professional position or condition of someone or something
Example
His social status improved after the promotion.
Su estado social mejoró después de la promoción.
B2 noun /ˈdɛməˌkræt/

democrat

demócrata
Meaning
a supporter of democracy or a member of the Democratic Party in the US
Example
He is a strong democrat who believes in equal rights.
Él es un demócrata fuerte que cree en los derechos iguales.
C2 noun /ˌɛksaɪˈteɪʃən/

excitation

excitación
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
La noticia creó gran excitación entre los aficionados.
C2 adjective /ˈdjuːtiəs/

duteous

obediente
Meaning
dutiful; obedient and respectful
Example
The duteous child always followed her parents’ instructions.
La niña obediente siempre seguía las instrucciones de sus padres.
C2 adjective /ˌæp.rɪˈhen.sə.bəl/

Apprehensible

comprensible
Meaning
able to be understood or grasped; comprehensible
Example
The complex theory became apprehensible after the professor's explanation.
La teoría compleja se volvió comprensible después de la explicación del profesor.
C1 noun /ˈkæzəm/

chasm

grieta / gran diferencia
Meaning
a deep fissure in the earth's surface or a wide difference between people or ideas
Example
There was a great chasm between the two political parties.
Había una gran grieta entre los dos partidos políticos.
C2 adjective /ˈhæriːd/

harried

estresado o agobiado
Meaning
feeling strained or stressed due to being overworked or constantly bothered
Example
The harried teacher struggled to calm the noisy classroom.
El maestro estresado luchaba por calmar el ruidoso aula.
A2 adjective /ˈriː.sənt/

Recent

reciente; nuevo; actual;
Meaning
happening not long ago; new; current;
Example
The recent changes in weather patterns concern scientists.
Los recientes cambios en los patrones climáticos preocupan a los científicos.
C1 adjective /fɪkˈtɪʃəs/

fictitious

ficticio, falso
Meaning
not real or true; imaginary or fabricated
Example
The story he told was entirely fictitious.
La historia que contó era completamente ficticia.
C1 verb /ˈsnɪkər/

snicker

reírse disimuladamente
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
Los estudiantes se rieron cuando el maestro cometió un error.
C2 noun /kəmˈpleɪsəns/

complacence

complacencia
Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
Su complacencia le impidió notar los riesgos.
B2 noun ɪˈfɪʃ.ən.si

efficiency

eficiencia
Meaning
The state or quality of being efficient; achieving maximum productivity with minimum wasted effort or expense.
Example
Efficiency in communication is crucial for businesses.
La eficiencia en la comunicación es crucial para los negocios.
C1 adjective /tjuːˈmʌltʃuəs/

tumultuous

tumultuoso
Meaning
Characterized by disorder, noisy excitement, or emotional agitation.
Example
They had a tumultuous relationship full of ups and downs.
Ellos tuvieron una relación tumultuosa llena de altibajos.
B2 verb /ˈspɛʃəˌlaɪz/

specialize

especializarse
Meaning
to focus on a particular subject or activity and become an expert in it
Example
He decided to specialize in cardiology.
Él decidió especializarse en cardiología.
C1 verb /ˈrɪvɪt/

rivet

asegurar con remache / captar la atención
Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
El artesano riveteó las placas de metal juntas.
C1 adjective /ˈneɪm.ləs/

Nameless

sin nombre; anónimo; desconocido; no identificado
Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
El miedo sin nombre lo acechaba durante toda la noche.
C1 noun /ɪˈreləvəns/

irrelevance

irrelevancia
Meaning
the quality of not being connected to or important for a particular matter; lack of significance
Example
His long explanation only highlighted the irrelevance of the details to the main issue.
Su larga explicación solo resaltó la irrelevancia de los detalles para el tema principal.
C1 verb /rɪˈkɔɪl/

recoil

retroceder
Meaning
To suddenly spring back in fear, horror, or from force such as a gun's kickback.
Example
She recoiled at the sight of the snake.
Ella se encogió al ver la serpiente.
C1 noun /bʌm/

bum

trasero
Meaning
informal term for the buttocks; also a homeless or lazy person
Example
He sat on his bum all day doing nothing.
Estuvo sentado en su trasero todo el día sin hacer nada.
C2 adjective /ˌkæləˈrɪfɪk/

calorific

calórico
Meaning
Relating to the amount of energy contained in food or fuel.
Example
Chocolate is highly calorific, so it should be eaten in moderation.
El chocolate es muy calórico, por lo que debe comerse con moderación.
C1 adjective /ɪnˈhjuːmən/

Inhuman

inhumano
Meaning
lacking human qualities; cruel; brutal; savage
Example
The dictator's inhuman treatment of prisoners shocked the international community.
El trato inhumano del dictador hacia los prisioneros sorprendió a la comunidad internacional.
C2 noun /ˈbrɛviˌɛri/

breviary

libro de oraciones
Meaning
A book containing the service for each day, used in Christian liturgy.
Example
The monk read from the breviary during morning prayers.
El monje leyó del libro de oraciones durante las oraciones matutinas.
C2 noun /ˈæf.ə.rɪ.zəm/

aphorism

aforismo
Meaning
a short, witty saying that expresses a general truth or principle
Example
He began his speech with an aphorism about life and success.
Él comenzó su discurso con un aforismo sobre la vida y el éxito.
B2 adjective /spɒnˈteɪniəs/

Spontaneous

espontáneo
Meaning
done without planning; natural and unforced
Example
Their spontaneous dance in the rain was beautiful.
Su danza espontánea en la lluvia fue hermosa.
B2 verb /ˈtɜːrmɪˌneɪt/

terminate

terminar
Meaning
to bring something to an end or to stop something from continuing
Example
The company decided to terminate his contract.
La compañía decidió terminar su contrato.
B2 verb /ɪˈlɛkt/

elect

elegir
Meaning
To choose someone for a position or office by voting.
Example
The citizens elected a new president.
Los ciudadanos eligieron a un nuevo presidente.
A2 verb /ˈeksərsaɪz/

exercise

hacer ejercicio
Meaning
to do physical activity; to use or practice
Example
I exercise at the gym three times a week.
Yo hago ejercicio en el gimnasio tres veces a la semana.
C2 verb /bɪˈsmɪər/

besmear

embarrar
Meaning
to smear or cover with a sticky or dirty substance; to soil
Example
His clothes were besmeared with mud.
Su ropa estaba embarrada con barro.
B1 adjective /prɪˈsaɪs/

precise

preciso
Meaning
Marked by exactness and accuracy of expression or detail.
Example
She gave precise instructions for the experiment.
Ella dio instrucciones precisas para el experimento.
C1 verb /siːð/

seethe

hirviendo de rabia
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
Ella estaba hirviendo de rabia después de la decisión injusta.
B2 adjective ˌæn.əlˈɪt.ɪ.kəl

analytical

analítico, investigativo, lógico
Meaning
Using or skilled in using analysis (i.e., separating a whole—intellectual or substantial—into its elemental parts or basic principles).
Example
She has an analytical approach to problem-solving.
Ella tiene un enfoque analítico para resolver problemas.
B1 noun /slaɪd/

Slide

tobogán
Meaning
a smooth surface for sliding down; a piece of playground equipment
Example
The children enjoyed playing on the slide at the park.
Los niños disfrutaron jugando en el tobogán en el parque.
C2 noun /ˈsɛnʃəns/

sentience

sentiencia
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
Muchos argumentan que los animales poseen sentiencia.
C2 noun /əˈmɛrɪkəˌnɪzəm/

americanism

americanismo
Meaning
A word, phrase, or practice characteristic of American English or culture.
Example
The term 'sidewalk' is an Americanism, while 'pavement' is used in British English.
El término 'sidewalk' es un americanismo, mientras que 'pavement' se usa en el inglés británico.
C2 noun /ˈdɛkəˌɡɒn/

decagon

dodecágono
Meaning
A polygon with ten sides and ten angles.
Example
The geometry teacher drew a perfect decagon on the board.
El profesor de geometría dibujó un decágono perfecto en la pizarra.
B2 noun ɪˌlɪm.ɪˈneɪ.ʃən

elimination

eliminación
Meaning
The complete removal or destruction of something.
Example
The elimination of emissions is a priority.
La eliminación de emisiones es una prioridad.
B2 adverb /ˈhev.ɪ.li/

Heavily

fuertemente; intensamente
Meaning
with great weight; to a great degree; intensely
Example
It rained heavily throughout the night.
Llovió fuertemente durante toda la noche.
B2 noun /saɪˈkɒlədʒɪst/

psychologist

psicólogo
Meaning
a person who studies mental processes and behavior
Example
The psychologist helped him cope with his anxiety.
El psicólogo lo ayudó a lidiar con su ansiedad.
B2 verb /ˈɔː.tə.meɪt/

automate

automatizar
Meaning
To make a process or system operate automatically by means of machines or computers.
Example
Many companies automate their processes to save time.
Muchas empresas automatizan sus procesos para ahorrar tiempo.
B2 adjective /ˈdʒʌm.boʊ/

Jumbo

extraordinariamente grande; gigante
Meaning
exceptionally large; enormous; gigantic
Example
The jumbo jet was delayed at the airport.
El jumbo jet fue retrasado en el aeropuerto.
C1 noun /ˌrɛpəˈreɪʃən/

reparation

reparación
Meaning
the making of amends for a wrong done by paying money or helping those who were wronged
Example
The government offered reparations to the victims of the conflict.
El gobierno ofreció reparaciones a las víctimas del conflicto.
B2 adverb /ˈbrɔːdli/

broadly

ampliamente
Meaning
in a general or wide manner.
Example
The rules are broadly similar across all regions.
Las reglas son generalmente similares en todas las regiones.
B2 verb /rɪˈvɜːrt/

revert

volver
Meaning
to return to a previous state, condition, or practice
Example
The system will revert to its original settings after the update.
El sistema volverá a su configuración original después de la actualización.
B2 adjective /flɔːd/

flawed

defectuoso
Meaning
having a mistake or fault that reduces its value or quality
Example
The flawed design of the car led to a recall.
El diseño defectuoso del coche provocó un retiro del mercado.
C2 noun /ˈkɒntrətɑː̃/

contretemps

desacuerdo inesperado
Meaning
an unexpected and unfortunate event or disagreement; a minor dispute
Example
There was a small contretemps between the two colleagues during the meeting.
Hubo un pequeño desacuerdo entre los dos colegas durante la reunión.
C1 verb /rɪˈpiːl/

repeal

derogar
Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
El gobierno decidió derogar la ley obsoleta.
B2 noun ˈmɪdl klæs

middle-class

clase media
Meaning
The social group between the upper and working classes, typically consisting of well-educated people.
Example
The middle-class was largely affected by the decision.
La clase media fue ampliamente afectada por la decisión.
A1 pronoun /ˈɛnɪθɪŋ/

anything

cualquier cosa
Meaning
any object, event, or matter; whatever thing
Example
You can ask me anything about the project.
Puedes preguntarme cualquier cosa sobre el proyecto.
A2 verb /riːtʃ/

reach

alcanzar
Meaning
to arrive at a destination; to extend one's arm to touch something
Example
We will reach the station in ten minutes.
Llegaremos a la estación en diez minutos.
C1 adjective /sɪmˈfɒnɪk/

symphonic

sinfónico
Meaning
relating to or having the character of a symphony or symphony orchestra
Example
The concert featured a symphonic masterpiece.
El concierto presentó una obra maestra sinfónica.
B2 adjective /ˌɛm.pəˈθɛ.tɪk/

empathetic

empático
Meaning
Showing ability to understand and share feelings of others.
Example
She was empathetic towards her friend's struggles.
Ella fue empática hacia las luchas de su amiga.
C2 verb /rɪˈdaʊnd/

redound

contribuir
Meaning
to contribute greatly to a result or consequence, usually beneficial
Example
His hard work will redound to the success of the company.
Su arduo trabajo contribuirá al éxito de la empresa.
C1 adverb/adjective /vɜːˈbeɪ.tɪm/

verbatim

palabra por palabra o literalmente
Meaning
In exactly the same words as were used originally; word for word repetition.
Example
She repeated his instructions verbatim to avoid errors.
Ella repitió sus instrucciones palabra por palabra para evitar errores.
B2 adjective /ˈærəɡənt/

Arrogant

arrogante; engreído
Meaning
having an exaggerated sense of one's importance; proud
Example
His arrogant behavior made him very unpopular.
Su comportamiento arrogante lo hizo muy impopular.
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.
C2 noun /ˌrɛtəˈrɪʃən/

rhetorician

orador
Meaning
A person who is skilled in the art of rhetoric or persuasive speaking/writing.
Example
The rhetorician captivated the audience with his eloquence.
El orador cautivó a la audiencia con su elocuencia.
B2 adverb /ˈvɜː.tʃu.ə.li/

Virtually

virtualmente; casi;
Meaning
nearly; almost; in effect though not in name
Example
The building was virtually destroyed in the earthquake.
El edificio fue virtualmente destruido en el terremoto.
B1 noun /ˈpɪ.ti/

Pity

piedad; simpatía;
Meaning
a feeling of sadness or sympathy for someone's misfortune; something that causes regret or disappointment
Example
I felt pity for the homeless man in the rain.
Sentí piedad por el hombre sin hogar bajo la lluvia.
C1 verb /kənˈstrɪkt/

constrict

contraer
Meaning
to make narrower or tighter; to shrink or compress
Example
The snake constricted its prey before swallowing.
La serpiente contrajo a su presa antes de tragarla.
C2 noun /əˈnɔɪnt.mənt/

anointment

unción
Meaning
The act of anointing, usually with oil, as part of a ritual or ceremony.
Example
The anointment of the new leader was a sacred ritual.
La unción del nuevo líder fue un ritual sagrado.
B2 adjective /ˌʌnˈkɔːrdɪneɪtɪd/

uncoordinated

descoordinado
Meaning
lacking coordination, not well-organized or clumsy in movement
Example
His movements were uncoordinated, making him prone to accidents.
Sus movimientos eran descoordinados, lo que lo hacía propenso a accidentes.
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.
B2 verb baɪnd

bind

atar
Meaning
To tie, fasten, or hold together securely.
Example
This force binds quarks together.
Esta fuerza une los quarks.
B2 noun /pɪtʃ/

pitch

tono, lanzamiento
Meaning
the quality of a sound; the level or degree of intensity; a throw or toss
Example
The singer's pitch was perfect during the performance.
El tono del cantante fue perfecto durante la actuación.
C2 noun /ˈænɪməs/

animus

animosidad / propósito
Meaning
A strong feeling of hostility; motivation or purpose behind an action.
Example
His speech was driven by animus against the policy.
Su discurso fue impulsado por animosidad contra la política.
B1 noun /ˈsʌb.stəns/

Substance

sustancia
Meaning
a particular kind of matter with uniform properties; the essential nature of something; material or content
Example
The scientist analyzed the unknown substance in the laboratory.
El científico analizó la sustancia desconocida en el laboratorio.
B2 adjective /rɪˈflektɪv/

Reflective

reflexivo; pensativo; capaz de reflejar luz o imágenes
Meaning
thoughtful; contemplative; able to reflect light or images
Example
After the meeting, he was in a reflective mood.
Después de la reunión, él estaba en un estado reflexivo.
B2 noun /sɪˈver.ə.ti/

Severity

gravedad; severidad; dureza
Meaning
the quality of being extremely serious or harsh; intensity of something bad
Example
The severity of the storm caused widespread damage across the city.
La severidad de la tormenta causó daños generalizados en toda la ciudad.
C2 noun /ˈrʊkəri/

rookery

nido de aves
Meaning
a place where rooks or other birds breed and nest in colonies
Example
We saw a rookery full of noisy birds near the forest.
Vimos un nido de aves lleno de pájaros ruidosos cerca del bosque.
C2 noun /ˈlæriət/

lariat

lazo
Meaning
A long rope with a noose at one end used to catch animals such as cattle or horses.
Example
The cowboy threw his lariat to catch the stray horse.
El vaquero lanzó su lazo para atrapar el caballo extraviado.
B1 noun /blaʊz/

Blouse

blusa
Meaning
a woman's loose upper garment resembling a shirt
Example
She wore a beautiful silk blouse to the party.
Ella usó una blusa de seda hermosa para la fiesta.
C1 adjective /ˈskænti/

Scanty

pequeño en tamaño o cantidad; insuficiente; apenas adecuado
Meaning
small in size or amount; insufficient; barely adequate
Example
The refugee camp had scanty food supplies.
El campo de refugiados tenía suministros de comida escasos.
B1 verb /ˈɡɑːsɪp/

gossip

chismear
Meaning
to talk about other people's private lives, often in an unkind way
Example
They love to gossip about their neighbors.
A ellos les encanta chismear sobre sus vecinos.
B2 verb /rɪˈkruːt/

recruit

reclutar
Meaning
to enlist or hire people for a job, service, or membership
Example
The company is trying to recruit more software engineers.
La empresa está tratando de reclutar más ingenieros de software.
B1 noun /ˈker.ləs.nəs/

Carelessness

descuido; negligencia
Meaning
failure to give sufficient attention to avoiding harm or errors
Example
His carelessness with money led to serious financial problems.
Su descuido con el dinero llevó a graves problemas financieros.
C1 adjective /kəˈrəʊsɪv/

corrosive

corrosivo, dañino
Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
El producto químico es altamente corrosivo y debe manejarse con cuidado.
A1 pronoun /ɪt/

it

esto
Meaning
used to refer to a thing, animal, or idea previously mentioned or easily identified
Example
It is raining outside.
Está lloviendo afuera.
C1 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

inexplicable
Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
La repentina desaparición del archivo fue inexplicable.
C2 noun /ˈrɪɡməˌroʊl/

rigmarole

lío
Meaning
a long, complicated, and confusing process or story
Example
Getting a visa was such a rigmarole of paperwork and interviews.
Obtener una visa fue un lío de papeleo y entrevistas.
C1 adjective /kɜːrt/

curt

ríspido
Meaning
Rudely brief in speech or manner.
Example
His curt reply made everyone uncomfortable.
Su respuesta ríspida hizo que todos se sintieran incómodos.
C2 noun /ˈpɛntæd/

pentad

grupo de cinco
Meaning
A group or set of five things.
Example
The committee was divided into a pentad of working groups.
El comité se dividió en un grupo de cinco equipos de trabajo.
B2 noun ˈɒksɪdʒən prəˈdʌkʃən

oxygen production

producción de oxígeno
Meaning
The process of generating oxygen through photosynthesis or other means.
Example
Plants are vital for oxygen production and the maintenance of life.
Las plantas son vitales para la producción de oxígeno y el mantenimiento de la vida.
A2 noun /ɡæs/

gas

gas
Meaning
A substance like air that is neither solid nor liquid and can expand freely.
Example
The balloon was filled with gas.
El globo estaba lleno de gas.
B2 adjective ˈɡraʊndˌbreɪ.kɪŋ

groundbreaking

innovador
Meaning
Introducing new ideas or methods; innovative or pioneering.
Example
Groundbreaking advancements redefine innovation.
Los avances innovadores redefinen la innovación.
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.
B2 noun /ˈrɛfjuːdʒ/

refuge

refugio
Meaning
a place that provides shelter or protection from danger or distress
Example
The villagers took refuge in the temple during the storm.
Los aldeanos buscaron refugio en el templo durante la tormenta.
C2 noun /ˈpɒlɪɡæmɪst/

polygamist

polígamo
Meaning
a person who has more than one spouse at the same time
Example
The polygamist had three wives living in different houses.
El polígamo tenía tres esposas que vivían en casas diferentes.
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

agua de rosa
Meaning
a flavored water made by steeping rose petals in water, used in cooking and cosmetics
Example
She added a few drops of rose-water to the dessert.
Ella añadió unas gotas de agua de rosa al postre.
B2 noun /ˈhɑːrvɪst/

harvest

cosecha
Meaning
the process or period of gathering crops
Example
Farmers are busy during the rice harvest season.
Los agricultores están ocupados durante la temporada de cosecha de arroz.
C2 adjective /vəˈnɪəriəl/

venereal

venéreo
Meaning
relating to sexual intercourse or sexually transmitted diseases
Example
Doctors warn about the dangers of venereal diseases.
Los médicos advierten sobre los peligros de las enfermedades venéreas.
C1 adjective /səˈtɪrɪkəl/

satirical

satírico
Meaning
containing or using satire to criticize or mock
Example
The satirical cartoon mocked the government's new policy.
El dibujo satírico burló la nueva política del gobierno.
B1 noun /dɜːrt/

Dirt

suciedad; tierra; materia impura
Meaning
a substance that makes something unclean; earth or soil; unclean matter
Example
After playing in the garden, the children were covered in dirt from head to toe.
Después de jugar en el jardín, los niños estaban cubiertos de suciedad de pies a cabeza.
C2 verb /ˈbɜːrnɪʃ/

burnish

pulir
Meaning
To polish something by rubbing; to enhance or improve.
Example
He burnished the old table until it shone.
Él pulió la vieja mesa hasta que brilló.
C2 adjective /ˈdʌlsɪt/

dulcet

dulce
Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
Ella estaba encantada por su dulce voz.
C1 adjective /ʌnˈɒnəd/

unhonoured

deshonrado
Meaning
not respected or given the recognition that is deserved; treated without honor
Example
He felt unhonoured after his years of service were ignored.
Se sintió deshonrado después de que ignoraran sus años de servicio.
C1 noun /prɪˈdɒmɪnəns/

predominance

preponderancia
Meaning
The state of being greater in number, strength, or importance.
Example
The predominance of online shopping has changed retail forever.
La preponderancia de las compras en línea ha cambiado el comercio minorista para siempre.
C1 verb /ˈmiː.di.eɪt/

mediate

mediar
Meaning
To act as an intermediary in bringing about agreement or reconciliation between parties.
Example
She was asked to mediate between the two companies.
Le pidieron mediar entre las dos empresas.
C1 noun /ˈhɛrətɪk/

heretic

hereje
Meaning
a person who holds beliefs that go against established religious teachings or accepted beliefs.
Example
The church declared him a heretic for his radical ideas.
La iglesia lo declaró hereje por sus ideas radicales.
C1 noun /ˌkɒn.təmˈpleɪ.ʃən/

contemplation

profunda reflexión
Meaning
The action of looking thoughtfully at something for a long time; deep reflective thought.
Example
She sat in contemplation before making her decision.
Ella se sentó en profunda reflexión antes de tomar su decisión.
B2 verb /nɒd/

nod

asentir con la cabeza
Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
Ella asintió con la cabeza en señal de acuerdo con la propuesta.
B1 adverb /ˈwaɪdli/

widely

ampliamente
Meaning
to a great extent or degree
Example
The news of his promotion spread widely across the company.
La noticia de su ascenso se extendió ampliamente por la empresa.
C2 adjective /ˌɪnfɪnɪˈtɛsɪməl/

infinitesimal

infinitesimal
Meaning
Extremely small in size or amount; so tiny as to be almost negligible.
Example
The error was so infinitesimal that it didn’t affect the results.
El error fue tan infinitesimal que no afectó los resultados.
C1 noun /ˌdɪs.ɪˈluː.ʒən.mənt/

disillusionment

desilusión
Meaning
A feeling of disappointment resulting from the discovery that something is not as good as one believed it to be.
Example
Many people experience disillusionment after unrealistic expectations.
Muchas personas experimentan desilusión después de expectativas poco realistas.