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C1 adjective /ɑːrˈkeɪɪk/

archaic

arcaico
Meaning
very old or old-fashioned; belonging to an earlier time
Example
Some laws are considered archaic and no longer relevant.
Algunas leyes se consideran arcaicas y ya no son relevantes.
C1 noun /ˈkɒl.ə.bəʊn/

Collar-bone

clavícula
Meaning
either of the pair of bones joining the breastbone to the shoulder blades; clavicle
Example
He broke his collar-bone in the accident.
Se rompió la clavícula en el accidente.
C1 adjective /ˈfænsiːd/

fancied

imaginado, deseado
Meaning
imagined, desired, or believed without evidence
Example
He is a fancied suitor in the eyes of the young lady.
Él es un pretendiente imaginado a los ojos de la joven.
C1 noun /pluːm/

plume

una gran pluma suave o algo que se asemeje a una pluma
Meaning
a large, soft feather or something resembling a feather
Example
The soldier wore a red plume on his helmet.
El soldado llevaba una pluma roja en su casco.
C1 adjective /ˈvɑːlətl/

volatile

volátil
Meaning
likely to change rapidly and unpredictably, especially for the worse
Example
The stock market is extremely volatile these days.
El mercado de valores es extremadamente volátil estos días.
C1 noun /kənˈtɪnjuəm/

continuum

continuo
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
La vida y la muerte a menudo se ven como parte del mismo continuo.
C1 noun /ˌmiːtiəˈrɒlədʒi/

meteorology

meteorología
Meaning
The scientific study of the atmosphere and weather.
Example
He chose to specialize in meteorology to study weather patterns.
Eligió especializarse en meteorología para estudiar los patrones climáticos.
C1 adjective /ˈpəʊtəbl/

potable

potable
Meaning
safe to drink; drinkable
Example
The villagers did not have access to potable water.
Los aldeanos no tenían acceso a agua potable.
C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

fiscal general
Meaning
The chief legal officer of a state or country.
Example
The attorney-general announced new reforms to strengthen justice.
El fiscal general anunció nuevas reformas para fortalecer la justicia.
C1 adjective /ɪˌlɪzəˈbiːθən/

elizabethan

era isabelina
Meaning
Relating to the reign of Queen Elizabeth I of England (1558–1603), especially the style of that period.
Example
Shakespeare wrote many of his plays during the Elizabethan era.
Shakespeare escribió muchas de sus obras durante la era isabelina.
C1 noun /ˈwed.lɒk/

Wed lock

matrimonio
Meaning
the state of being married; matrimony
Example
They have been happily united in wedlock for twenty years.
Han estado felizmente unidos en matrimonio durante veinte años.
C1 noun /taɪˈpɒɡrəfi/

typography

tipografía
Meaning
the art and technique of arranging type to make written language legible and visually appealing
Example
Good typography improves the readability of a website.
Una buena tipografía mejora la legibilidad de un sitio web.
C1 noun /ˌɪnˈdɪsəplɪn/

indiscipline

indisciplina
Meaning
lack of discipline or self-control; failure to obey rules or maintain order
Example
Indiscipline among the students disrupted the learning environment.
La indisciplina entre los estudiantes interrumpió el ambiente de aprendizaje.
C1 noun /ˈhaɪbrɪd/

hybrid

híbrido
Meaning
a mixture of two different things, often combining the best qualities of both
Example
The car is a hybrid that runs on both electricity and fuel.
El coche es un híbrido que funciona tanto con electricidad como con combustible.
C1 verb /əˈbeɪt/

abate

disminuir
Meaning
to become less intense or widespread
Example
The storm began to abate after midnight.
La tormenta comenzó a disminuir después de la medianoche.
C1 adjective /ˌmet.əˈbɒl.ɪk/

metabolic

metabólico
Meaning
Relating to the chemical processes that occur within a living organism in order to maintain life.
Example
Regular exercise enhances metabolic efficiency.
El ejercicio regular mejora la eficiencia metabólica.
C1 adjective /ˈwaɪəri/

wiry

delgado, fuerte y resistente
Meaning
Lean, tough, and strong, often with sinewy muscles.
Example
The wiry athlete moved with remarkable speed and agility.
El atleta delgado se movió con una velocidad y agilidad notables.
C1 noun ˈrez.ɪ.djuːz

residues

restos
Meaning
A small amount of something that remains after the main part has gone or been taken or used.
Example
The burning process leaves no harmful residues.
El proceso de combustión no deja residuos dañinos.
C1 noun /ˈsɒlstɪs/

solstice

solsticio
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
La gente celebra el solsticio de verano con festivales y rituales.
C1 noun /ˈræftər/

rafter

viga
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
Las vigas del viejo granero estaban expuestas.
C1 verb /bɪˈsiːdʒ/

besiege

sitio
Meaning
to surround a place with armed forces to capture it; to overwhelm with requests or attention
Example
The city was besieged by enemy troops.
La ciudad fue sitiada por tropas enemigas.
C1 noun /trʌsˈtiː/

trustee

fideicomisario
Meaning
a person who holds or manages property or assets for the benefit of others
Example
She was appointed as the trustee of the family estate.
Ella fue nombrada fideicomisaria de la propiedad familiar.
C1 noun /dɪˈsɜːn.mənt/

discernment

discernimiento
Meaning
The ability to judge well or understand something correctly; keen insight.
Example
His discernment in business decisions made him successful.
Su discernimiento en las decisiones de negocios lo hizo exitoso.
C1 adjective /əˈluːf/

aloof

distante
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
Él permaneció distante durante toda la discusión.
C1 noun/verb /ˈdiːkɔɪ/

decoy

señuelo
Meaning
something or someone used to lure or mislead
Example
The hunters used a wooden duck as a decoy.
Los cazadores usaron un pato de madera como señuelo.
C1 noun /tɔːrk/

torque

torque
Meaning
A twisting force that causes rotation.
Example
The mechanic measured the torque of the engine.
El mecánico midió el torque del motor.
C1 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

ingenio
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
Su ingenio llevó a innovaciones pioneras.
C1 verb /ˈspɪərˌhɛd/

spearhead

encabezar
Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
Ella encabezó la campaña por la conciencia ambiental.
C1 verb /dɪˈspɛns/

dispense

distribuir
Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
La máquina dispensa agua potable limpia.
C1 adjective /dɪˈklærətɪv/

declarative

declarativo
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
Una oración declarativa simplemente establece un hecho u opinión.
C1 noun /ʃoʊl/

shoal

cardumen
Meaning
a large group of fish swimming together; a shallow place in water
Example
We saw a shoal of fish near the coast.
Vimos un cardumen de peces cerca de la costa.
C1 adjective /ˈhæk.nid/

hackneyed

cliché
Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
El discurso estaba lleno de frases cliché que no lograron inspirar al público.
C1 noun /ˈɛstjʊəri/

estuary

estuario
Meaning
the tidal mouth of a large river, where the tide meets the stream
Example
The city is located near the estuary of the river.
La ciudad está ubicada cerca del estuario del río.
C1 noun /ɪmˈprɪzənmənt/

imprisonment

encarcelamiento
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
Se enfrentó al encarcelamiento por violar la orden judicial.
C1 verb /ˈiːkwəlaɪz/

equalize

igualar
Meaning
To make equal or level in status, value, or amount.
Example
The team equalized the score in the last minute.
El equipo igualó el marcador en el último minuto.
C1 noun /streɪt/

strait

estrecho
Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
El estrecho de Gibraltar conecta el océano Atlántico y el mar Mediterráneo.
C1 noun /ˈmɒnəlɪθ/

monolith

monolito
Meaning
A large single upright block of stone, or a large, powerful, indivisible organization or system.
Example
The ancient monolith stood in the desert for centuries.
El antiguo monolito estuvo de pie en el desierto durante siglos.
C1 noun ˌhaɪ.droʊˈpɒn.ɪks

hydroponics

hidroponía
Meaning
Growing plants using nutrient-rich water instead of soil.
Example
Hydroponics allows crops to grow without soil.
La hidroponía permite que los cultivos crezcan sin tierra.
C1 noun /ˌluː.brɪˈkeɪ.ʃən/

lubrication

lubricación
Meaning
The action of applying a substance to reduce friction between surfaces in mutual contact.
Example
Lubrication of the eyes is essential for well-being.
La lubricación de los ojos es esencial para el bienestar.
C1 noun /prəˈpoʊnənt/

proponent

defensor, proponente
Meaning
a person who advocates for or supports a particular idea, cause, or plan
Example
She is a strong proponent of renewable energy.
Ella es una fuerte defensora de la energía renovable.
C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

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

reimburse

reembolsar
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
La empresa le reembolsó los gastos de viaje.
C1 adjective /sɛkˈtɛəriən/

sectarian

sectario
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
La región ha estado atormentada por la violencia sectaria durante décadas.
C1 adjective /ˌsaɪkoʊsəˈmætɪk/

psychosomatic

psicosomático
Meaning
Relating to a physical illness or condition caused or aggravated by mental factors such as stress.
Example
Her stomach pain was diagnosed as psychosomatic, linked to stress.
El dolor de su estómago fue diagnosticado como psicosomático, vinculado al estrés.
C1 noun /ˈlaɪbəl/

libel

difamación
Meaning
a published false statement that damages a person's reputation
Example
The newspaper was sued for libel after publishing false claims.
El periódico fue demandado por difamación después de publicar falsas afirmaciones.
C1 verb /mɑːrd/

marred

estropear
Meaning
to spoil or damage the quality or appearance of something
Example
The celebration was marred by bad weather.
La celebración fue arruinada por mal tiempo.
C1 noun /ɡɔːrd/

Gourd

calabaza
Meaning
a climbing plant with large fruits that have hard shells when dried
Example
The bottle gourd curry was delicious and nutritious.
El curry de calabaza en botella estaba delicioso y nutritivo.
C1 noun /ˈtraɪ.fəl/

Trifle

cosa trivial o de poca importancia
Meaning
something of little importance or value; a small amount
Example
Don't worry about such a trifle; it's not worth your time.
No te preocupes por una tontería como esa; no vale la pena tu tiempo.
C1 noun /ˌɑːrtʃˈbɪʃəp/

archbishop

arzobispo
Meaning
A senior bishop in charge of an archdiocese in the Christian Church.
Example
The archbishop delivered a sermon to thousands of people.
El arzobispo dio un sermón a miles de personas.
C1 noun, adjective /ˈkɪndrəd/

kindred

felicidad
Meaning
A person's relatives or family; similar in nature or character.
Example
They discovered kindred spirits in each other.
No pudo esconder su felicidad cuando recibió el premio.
C1 noun /ˈiː.zi tʃeər/

Easy-chair

sillón reclinable
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
Se relajó en su sillón favorito después del trabajo.
C1 adjective /ˌboʊnəˈfaɪdi/

Bonafide

genuino; auténtico; legítimo
Meaning
genuine; authentic; legitimate
Example
She is a bonafide expert in her field.
Ella es una experta genuina en su campo.
C1 adjective /ˈsɜːrpənˌtiːn/

serpentine

serpenteante
Meaning
Having the shape, movement, or qualities of a serpent; winding or twisting.
Example
The road took a serpentine path through the mountains.
El camino tomaba una ruta serpenteante a través de las montañas.
C1 verb /ˈʃɪmər/

shimmer

brillar tenuemente
Meaning
To shine with a soft, wavering light.
Example
The lake shimmered under the moonlight.
El lago brillaba bajo la luz de la luna.
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

desatento
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
El padre desatento dejó al niño solo durante horas.
C1 adjective /ˈstʌm.pi/

Stumpy

bajo y grueso
Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
El perrito bajo y grueso movió su cola con entusiasmo.
C1 adjective /ˈɪnfəməs/

infamous

infame
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
El dictador era infame por su crueldad.
C1 noun /ˈstænzə/

stanza

estrofa
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
El poema comienza con una estrofa que describe la naturaleza.
C1 noun /maɪt/

mite

ácaro
Meaning
a very small creature, often a tiny arachnid; also used to mean a very small amount
Example
The mattress was infested with dust mites.
El colchón estaba infestado de ácaros del polvo.
C1 noun /ˈɒktəɡən/

octagon

octágono
Meaning
A polygon with eight sides and eight angles.
Example
The stop sign is shaped like an octagon.
La señal de alto tiene forma de octágono.
C1 noun/adjective /ˈmɪriəd/

myriad

incontable
Meaning
a countless or extremely great number
Example
There are myriad stars in the night sky.
Hay innumerables estrellas en el cielo nocturno.
C1 noun kənˈɡlɒm.ər.ət

conglomerate

conglomerado
Meaning
A large corporation formed by the merging of separate and diverse firms.
Example
The company grew into a multinational conglomerate.
La compañía se convirtió en un conglomerado multinacional.
C1 verb /ɪmˈpɛər/

impair

deteriorar
Meaning
to weaken or damage something, especially a function or ability
Example
Smoking can impair your lung capacity.
Fumar puede dañar tu capacidad pulmonar.
C1 noun /ˌɛks.həˈleɪ.ʃən/

exhalation

exhalación
Meaning
The action of breathing out.
Example
Slow exhalation calms the nervous system.
Una exhalación lenta calma el sistema nervioso.
C1 adjective /ˌpæθəˈlɑːdʒɪkəl/

pathological

patológico, enfermizo
Meaning
Relating to disease; extreme or obsessive in a way that is abnormal.
Example
He has a pathological fear of failure.
Él tiene un miedo patológico al fracaso.
C1 adjective /ɪɡˈzɔːr.bɪ.tənt/

exorbitant

exorbitante
Meaning
Unreasonably high in price or cost; excessive.
Example
The hotel charged an exorbitant price for a basic room.
El hotel cobró un precio exorbitante por una habitación básica.
C1 adjective /pɜːrt/

pert

atrevido pero encantador
Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
Ella dio una respuesta atrevida que hizo reír a todos.
C1 noun /ˈfʊtˌnoʊt/

foot-note

nota al pie
Meaning
A note of reference, explanation, or comment placed at the bottom of a page.
Example
The author included a foot-note to explain the historical context.
El autor incluyó una nota al pie para explicar el contexto histórico.
C1 adjective /ˈvendʒ.fəl/

Vengeful

vengativo
Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
Ella se sintió vengativa después de que su amiga traicionó su confianza.
C1 noun /ˈmiːnnəs/

Meanness

maldad; avaricia
Meaning
The quality of being unkind, spiteful, or unfair; stinginess
Example
His meanness towards the poor children shocked everyone in the neighborhood.
Su maldad hacia los niños pobres sorprendió a todos en el vecindario.
C1 noun /ˌæntiˈklaɪmæks/

anticlimax

anticlimax
Meaning
A disappointing end after a big build-up of excitement or expectation.
Example
The movie's ending was an anticlimax after such a thrilling story.
El final de la película fue un anticlimax después de una historia tan emocionante.
C1 adjective /rɪˈpʌɡ.nənt/

Repugnant

repugnante; desagradable; detestable
Meaning
extremely distasteful; unacceptable; causing disgust or strong dislike
Example
The idea of lying to his parents was repugnant to him.
La idea de mentir a sus padres le resultaba repugnante.
C1 adjective ɪˌɡæl.ɪˈteə.ri.ən

egalitarian

igualitario
Meaning
Believing in or based on the principle that all people are equal and deserve equal rights and opportunities.
Example
The new law promotes an egalitarian society.
La nueva ley promueve una sociedad igualitaria.
C1 adjective,noun /kənˈtɪn.dʒənt/

contingent

dependiente / contingente
Meaning
dependent on something else; a group of people representing an organization
Example
Attendance is contingent on prior registration. / A contingent of students attended the conference.
La asistencia depende de la inscripción previa. / Un contingente de estudiantes asistió a la conferencia.
C1 noun /əbˈzɜːrvətɔːri/

observatory

observatorio
Meaning
A building equipped for observing astronomical or meteorological events.
Example
The observatory is open to the public on weekends.
El observatorio está abierto al público los fines de semana.
C1 adjective /ˈmɔːrbɪd/

morbid

interés anormal en temas perturbadores o desagradables
Meaning
Having an abnormal interest in disturbing or unpleasant subjects such as death or disease.
Example
She had a morbid fascination with crime stories.
Ella tenía una fascinación mórbida por las historias de crímenes.
C1 noun /noʊˈbɪl.ə.ti/

Nobility

nobleza; rango alto
Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
Él mostró gran nobleza al perdonar a sus enemigos.
C1 noun /dɪˈfjuːʒən/

diffusion

difusión
Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
La difusión de información en las redes sociales es rápida.
C1 noun /noʊˈteɪʃən/

notation

notación
Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
El profesor explicó la notación utilizada en las ecuaciones algebraicas.
C1 noun /ˈsuːtər/

suitor

pretendiente
Meaning
a man who pursues a relationship with a woman, often with the intent to marry
Example
She had many suitors vying for her attention.
Ella tenía muchos pretendientes compitiendo por su atención.
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

sustitución
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
La sustitución del antiguo sistema por el nuevo fue difícil.
C1 noun /ˈdiːvə/

diva

cantante famosa
Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
La diva del pop interpretó su último éxito frente a una multitud que aplaudía.
C1 verb/noun /ˈrɛlɪʃ/

relish

disfrutar / condimento
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
Ella disfrutó mucho de la oportunidad de viajar al extranjero.
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

utilizable
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
La bicicleta vieja sigue siendo utilizable a pesar de su edad.
C1 verb /əˈtoʊn/

atone

expiar
Meaning
to make amends for a wrong or injury; to make reparation
Example
He tried to atone for his mistakes by helping others.
Él intentó expiar sus errores ayudando a los demás.
C1 verb /vɪə(r)/

veer

cambiar de dirección
Meaning
to change direction suddenly
Example
The car veered off the road to avoid the accident.
El coche viró fuera de la carretera para evitar el accidente.
C1 noun /fɑːrs/

farce

farsa
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
La reunión se convirtió en una farsa completa con todos discutiendo.
C1 adjective /ˌniːoʊˈlɪθɪk/

neolithic

neolítico
Meaning
Relating to the later part of the Stone Age, when ground or polished stone weapons and tools prevailed.
Example
Neolithic communities began practicing agriculture and domesticating animals.
Las comunidades neolíticas comenzaron a practicar la agricultura y a domesticar animales.
C1 adjective /ˈreɪ.kɪʃ/

Rakish

despreocupado
Meaning
having a dashing, jaunty, or slightly disreputable quality or appearance
Example
He wore his hat at a rakish angle that gave him a charming appearance.
Él llevaba su sombrero en un ángulo despreocupado que le daba una apariencia encantadora.
C1 noun /ˈvenəm/

Venom

veneno
Meaning
a poisonous substance secreted by animals such as snakes; extreme malice and bitterness
Example
The snake's venom can be deadly if not treated quickly.
El veneno de la serpiente puede ser mortal si no se trata rápidamente.
C1 noun

Longitude

longitud geográfica
C1 noun /ˈtʃæplɪn/

chaplain

capellán
Meaning
A member of the clergy attached to a private chapel, institution, hospital, or military unit.
Example
The army chaplain offered prayers before the battle.
El capellán del ejército ofreció oraciones antes de la batalla.
C1 verb /ˈsætʃəˌreɪt/

saturate

saturar
Meaning
to fill completely with something until no more can be absorbed
Example
The heavy rain saturated the ground within minutes.
La lluvia intensa saturó el suelo en minutos.
C1 verb /loʊð/

loathe

detestar
Meaning
to feel intense dislike or disgust for
Example
He absolutely loathes being late to meetings.
Él odia llegar tarde a las reuniones.
C1 noun prɪˈdɪk.ə.mənt

predicament

aprieto
Meaning
A difficult, unpleasant, or embarrassing situation.
Example
Losing both jobs put him in a financial predicament.
Perder ambos trabajos lo puso en un aprieto financiero.
C1 verb /zæɡ/

zag

hacer un giro brusco
Meaning
to make a sharp change in direction, especially in a zigzag pattern
Example
The rabbit zagged quickly to escape the fox.
El conejo hizo un giro rápido para escapar del zorro.
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

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

ordain

ordenar
Meaning
To officially make someone a priest or minister; to decree or order something officially.
Example
The bishop will ordain three new priests this Sunday.
El obispo ordenará tres nuevos sacerdotes este domingo.
C1 adjective /ˈnɒnʃələnt/

nonchalant

indiferente
Meaning
Appearing calm, casual, and unconcerned.
Example
He gave a nonchalant shrug and walked away.
Él dio un encogimiento de hombros despreocupado y se alejó.
C1 adjective /ˈfɔːrθˌraɪt/

forthright

directo
Meaning
Direct and honest in speech or behavior; straightforward.
Example
She was forthright in her criticism of the policy.
Ella fue directa en su crítica a la política.
C1 noun /ˌrɛmɪˈnɪsəns/

reminiscence

rememoración
Meaning
a story or memory about past events
Example
He shared a reminiscence of his childhood days in the village.
Él compartió una rememoración de sus días de infancia en el pueblo.
C1 noun /ˌsɑːrdʒənt ˈmeɪdʒər/

sergeant-major

sargento-mayor
Meaning
A senior non-commissioned officer in the army responsible for discipline and administration within a unit.
Example
The sergeant-major inspected the troops before the parade.
El sargento-mayor inspeccionó a las tropas antes del desfile.
C1 adjective /ɪˈræʃənəl/

irrational

irracional
Meaning
not logical or reasonable; lacking clear thought
Example
His fear of the dark was completely irrational.
Su miedo a la oscuridad era completamente irracional.
C1 noun /rɪˈliːf treɪn/

Relief Train

tren de alivio
Meaning
a train that carries emergency supplies and aid to disaster-affected areas
Example
The relief train arrived with food and medical supplies for the flood victims.
el tren de alivio llegó con alimentos y suministros médicos para las víctimas de la inundación.
C1 noun /ˌmɛrɪˈtɒkrəsi/

meritocracy

meritocracia
Meaning
A system in which advancement is based on individual ability or achievement.
Example
In a true meritocracy, the most capable people rise to leadership positions.
En una verdadera meritocracia, las personas más capaces ascienden a posiciones de liderazgo.
C1 noun /ˈrʌmpəs/

Rumpus

alboroto; ruido; escándalo
Meaning
a noisy disturbance; an uproar or commotion
Example
The children caused quite a rumpus in the playground.
Los niños causaron bastante alboroto en el patio de recreo.
C1 adjective /ɪmˈpɜːrviəs/

impervious

impermeable
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
La chaqueta es impermeable a la lluvia.
C1 noun /ˌɪntərˌɒpərəˈbɪləti/

interoperability

interoperabilidad
Meaning
The ability of computer systems or software to exchange and make use of information.
Example
The interoperability of different software systems ensures seamless workflow.
La interoperabilidad de diferentes sistemas de software asegura un flujo de trabajo continuo.
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

ciclo hidrológico
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
El ciclo hidrológico asegura el movimiento continuo del agua en la naturaleza.
C1 adjective /ˌeɪˈsɛkʃuəl/

asexual

asexual
Meaning
Without sexual feelings, associations, or reproduction through sex.
Example
Many plants reproduce through asexual methods like budding or splitting.
Muchas plantas se reproducen mediante métodos asexuales como la gemación o la división.
C1 noun /ˈɛər.luːm/

heirloom

herencia
Meaning
a valuable object that has belonged to a family for several generations
Example
The ring is a family heirloom passed down from her grandmother.
El anillo es una herencia familiar que ha sido transmitida por su abuela.
C1 noun ˌvæljuˈeɪʃən

valuation

valoración
Meaning
An estimation of the worth of something.
Example
The valuation of the property was much higher than expected.
La valoración de la propiedad fue mucho más alta de lo esperado.
C1 noun /ˈmɜːrdʒər/

merger

fusión
Meaning
The combination of two or more companies into a single entity.
Example
The merger of the two firms created the largest bank in the region.
La fusión de las dos compañías creó el banco más grande de la región.
C1 adjective /vəˈluː.mə.nəs/

voluminous

voluminoso, grande, expansivo
Meaning
Occupying or containing much space; large in volume, in particular.
Example
The library contained a voluminous collection of books.
La biblioteca tenía una colección voluminosa de libros.
C1 noun /ˈhɔːr.nət/

Hornet

avispa
Meaning
a large wasp that can sting and is often aggressive
Example
The hornet built its nest under the roof.
La avispa construyó su nido bajo el techo.
C1 verb /krɪndʒ/

cringe

encogerse
Meaning
To shrink back in fear, embarrassment, or discomfort.
Example
She cringed when she remembered her mistake.
Ella se encogió cuando recordó su error.
C1 adjective ˈɒb.stɪ.nət

obstinate

obstinado
Meaning
Refusing to change one's mind or accept others' advice easily.
Example
He remained obstinate despite the logical arguments.
Él se mantuvo obstinado a pesar de los argumentos lógicos.
C1 adjective /ˌfɑːrˈfetʃt/

farfetched

improbable o poco probable
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late sounded farfetched.
Su explicación para llegar tarde sonaba inverosímil.
C1 noun /ˈdræm.ə.tɪst/

dramatist

dramaturgo
Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
Shakespeare es uno de los dramaturgos más grandes de la historia.
C1 adjective /ˌæntiˈneɪtl/

antenatal

prenatal
Meaning
Relating to the medical care and treatment given to a pregnant woman before the birth of her child.
Example
She attended regular antenatal checkups throughout her pregnancy.
Ella asistió a chequeos prenatales regulares durante su embarazo.
C1 noun /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

neurotransmisores
Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
La serotonina y la dopamina son neurotransmisores clave que afectan el estado de ánimo.