sociability
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C1 noun /ˌsəʊʃəˈbɪləti/

sociability

sociabilidad
Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
Su sociabilidad la hizo popular en la oficina.
C1 verb /rɪˈsʌsɪteɪt/

resuscitate

resucitar
Meaning
to revive someone from unconsciousness or apparent death
Example
The doctors tried to resuscitate the patient after the heart attack.
Los doctores intentaron resucitar al paciente después del ataque al corazón.
C1 noun /ˈsaɪkiː/

psyche

alma / mente
Meaning
the human soul, mind, or spirit
Example
The novel explores the depths of the human psyche.
La novela explora las profundidades de la psique humana.
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

fuerzas navales
Meaning
the branch of a nation's armed services that conducts military operations at sea
Example
The naval force protected the country's coastline from enemy attacks.
Las fuerzas navales protegieron la costa del país de los ataques enemigos
C1 noun /meər/

Mare

yegua
Meaning
an adult female horse
Example
The beautiful mare galloped across the meadow.
La hermosa yegua galopó por el prado.
C1 verb /dʒɒt/

jot

escribir rápidamente y brevemente
Meaning
to write something quickly and briefly
Example
She jotted down his phone number on a napkin.
Ella anotó rápidamente su número de teléfono en una servilleta.
C1 verb /ˌriːɪnˈsteɪt/

reinstate

reinstaurar
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
La empresa decidió reinstaurar al empleado suspendido.
C1 verb /kɜːrˈteɪl/

curtail

reducir
Meaning
to reduce or limit something, especially something considered undesirable
Example
The company had to curtail its spending due to budget cuts.
La compañía tuvo que reducir su gasto debido a los recortes presupuestarios.
C1 noun /pæŋ/

pang

una sensación repentina de dolor o angustia emocional
Meaning
a sudden sharp feeling of pain or emotional distress
Example
She felt a pang of guilt after the argument.
Sintió un pang de culpa después de la discusión.
C1 noun /ˈvælər/

valor

valor
Meaning
Great courage in the face of danger, especially in battle.
Example
The soldier was honored for his valor during the war.
El soldado fue honrado por su valor durante la guerra.
C1 verb /ɪˈdʒɛkt/

eject

echar fuera
Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
El árbitro tuvo que ejectar al jugador por conducta antideportiva.
C1 adjective /ˈtɒp.məʊst/

Topmost

más alto; superior
Meaning
highest in position or rank
Example
The flag was placed on the topmost branch of the tree.
La bandera fue colocada en la rama más alta del árbol.
C1 adjective /ˈtʃɛkərd/

chequered

a rayas
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
Tuvo una carrera a rayas con grandes éxitos y fracasos.
C1 verb /ˈbæbəl/

babble

balbucear
Meaning
to talk rapidly and continuously in a foolish way
Example
The baby babbles all day long.
El bebé balbucea todo el día.
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

flora y fauna
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
Las Islas Galápagos tienen una flora y fauna únicas.
C1 adjective /ˈdjuːtɪfəl/

Dutiful

cumplidor; respetuoso; obediente
Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
Ella es una hija cumplidora que siempre ayuda a sus padres.
C1 noun /ˌoʊvərprəˈdʌkʃən/

overproduction

sobreproducción
Meaning
The act of producing more of something than is needed or can be consumed.
Example
The economic crisis was caused by the overproduction of goods.
La crisis económica fue causada por la sobreproducción de bienes.
C1 adjective /ˈsaɪz.mɪk/

seismic

sísmico
Meaning
Relating to earthquakes or vibrations of the earth and its crust.
Example
The region is known for its seismic activity.
La región es conocida por su actividad sísmica.
C1 noun /aɪˈtɪnərɛri/

itinerary

itinerario
Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
El agente de viajes nos dio un itinerario detallado para nuestras vacaciones.
C1 adjective /prəˈpɔːrʃənət/

proportionate

proporcional
Meaning
Corresponding in size, degree, or intensity; balanced in relation.
Example
The punishment should be proportionate to the crime.
La pena debe ser proporcional al crimen.
C1 noun /ˈnɔːrməlsi/

normalcy

normalidad
Meaning
The condition of being normal; a return to usual or expected conditions.
Example
After the flood, the town struggled to regain a sense of normalcy.
Después de la inundación, la ciudad luchó por recuperar un sentido de normalidad.
C1 noun /ˈfɔːrwɜːrd/

foreword

prólogo
Meaning
a short introduction at the beginning of a book, typically written by someone other than the author
Example
The foreword of the book was written by a famous historian.
El prólogo del libro fue escrito por un historiador famoso.
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

excruciante
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
Ella estaba en dolor insoportable después del accidente.
C1 noun ɪˈveɪ.ʒən

evasion

evasión
Meaning
The practice of avoiding or escaping from something, especially responsibility or duty.
Example
His evasion of responsibilities frustrated his colleagues.
Su evasión de responsabilidades frustró a sus colegas.
C1 adjective /trænsˈluːsənt/

translucent

semi-transparente
Meaning
allowing light to pass through, but not clearly enough to see detailed images
Example
She placed the flower in a translucent vase.
Colocó la flor en un jarrón semi-transparente.
C1 adjective /ˈpiːs.ə.bəl/

Peaceable

pacífico; inclinado a evitar conflictos
Meaning
peaceful; inclined to avoid conflict
Example
The peaceable protest ended without any violence.
La protesta pacífica terminó sin violencia.
C1 noun əˈrɪd.ɪ.ti

aridity

aridez
Meaning
The state of being extremely dry, especially having insufficient rainfall to support vegetation.
Example
The aridity of the land is increasing due to climate change.
La aridez de la tierra está aumentando debido al cambio climático.
C1 adjective /ˌeɪ.bəlˈbɒd.id/

able-bodied

físicamente apto
Meaning
physically strong and healthy, not disabled
Example
The company is looking for able-bodied workers for the construction site.
La empresa está buscando trabajadores físicamente aptos para el sitio de construcción.
C1 noun/verb /ˈɪmprɪnt/

imprint

huella
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
El evento dejó una huella indeleble en la historia de la ciudad.
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

incitar
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
Fue acusado de incitar el motín.
C1 adjective /ˌjuːnɪˈlætərəl/

Unilateral

unilateral
Meaning
one-sided; involving only one party
Example
The country made a unilateral decision to withdraw from the treaty.
El país tomó una decisión unilateral de retirarse del tratado.
C1 noun /ˈkɑːrkəs/

carcass

cuerpo muerto de un animal
Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
Los buitres se alimentaron del cadáver dejado en el campo.
C1 noun /ˈmɔːr.ɡɪʤ/

Mortgage

hipoteca
Meaning
a legal agreement by which a bank lends money to buy property
Example
They took out a mortgage to buy their first house.
Tomaron una hipoteca para comprar su primera casa.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

instintivo, natural, automático
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
Su reacción instintiva le salvó la vida.
C1 adjective /ˈpen.ɪ.ləs/

Penniless

sin dinero; extremadamente pobre; completamente sin fondos
Meaning
having no money; extremely poor; completely without funds
Example
After losing his job, he became penniless.
Después de perder su trabajo, se quedó sin dinero.
C1 noun, adjective /ˈsɒlvənt/

solvent

disolvente, capaz de pagar deudas
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
El acetona es un disolvente común usado en laboratorios.
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

derrotista
Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
His defeatist attitude discouraged the rest of the team.
Su actitud derrotista desanimó al resto del equipo.
C1 noun /ˈmæl.ɪt/

Mallet

mazo
Meaning
a hammer with a large head, typically made of wood
Example
The carpenter used a rubber mallet to avoid damaging the wood.
El carpintero usó un martillo de goma para evitar dañar la madera.
C1 verb /ˌʌndəˈreɪt/

underrate

subestimar
Meaning
to fail to recognize the full value or importance of something or someone
Example
Many people underrate the benefits of regular exercise.
Muchas personas subestiman los beneficios del ejercicio regular.
C1 noun /kənˈsɜːvəˌtɔːri/

conservatory

invernadero / escuela de música y arte
Meaning
A greenhouse for growing plants or a school for music and the arts.
Example
They grew exotic plants in the conservatory.
Cultivaron plantas exóticas en el invernadero.
C1 noun /stɑːr fruːts/

Star Fruits

frutas estrella
Meaning
yellow tropical fruits that form a star shape when sliced crosswise; tangy and crisp taste
Example
When you slice star fruits, they look like beautiful yellow stars on your plate.
Cuando cortas las frutas estrella, se ven como hermosas estrellas amarillas en tu plato.
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.
C1 noun /ˈlaɪm.stoʊn/

Lime stone

piedra caliza
Meaning
a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement
Example
The ancient building was made of limestone blocks.
El antiguo edificio estaba hecho de bloques de piedra caliza
C1 noun /rɪdʒ/

ridge

cima o cresta de una montaña
Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
Caminamos a lo largo de la cresta de la montaña.
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 noun /ˈkaʊn.tər kleɪm/

counter-claim

contrademanda
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
El demandado presentó una contrademanda contra el demandante.
C1 noun /ˈpeɪθɒs/

pathos

patos
Meaning
a quality in speech, writing, or events that evokes pity or deep emotion
Example
The documentary balanced pathos with hope, making the audience both weep and think.
El documental equilibró el pathos con la esperanza, haciendo que la audiencia llorara y pensara.
C1 noun /ʃeɪl/

shale

pizarra
Meaning
a fine-grained sedimentary rock that can be split into thin layers
Example
The region is rich in shale and natural gas deposits.
La región es rica en pizarra y depósitos de gas natural.
C1 adjective /rɪˈmiːdiəl/

Remedial

correctivo; remedial; curativo;
Meaning
intended as a remedy; corrective; providing a cure;
Example
The students need remedial classes to improve their math skills.
Los estudiantes necesitan clases remediales para mejorar sus habilidades en matemáticas.
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

perímetro
Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
Los soldados custodiaron el perímetro del campamento.
C1 noun /ɒpˈtɒmɪtrɪst/

optometrist

optometrista
Meaning
A healthcare professional who examines eyes and prescribes corrective lenses.
Example
The optometrist prescribed new glasses for her.
El optometrista le recetó nuevos anteojos.
C1 adjective /ˈtɪklɪʃ/

ticklish

cosquilloso, sensible
Meaning
easily made to laugh by being touched lightly; easily upset or sensitive
Example
She is very ticklish and bursts into laughter when touched on her feet.
Ella es muy cosquillosa y se echa a reír cuando la tocan en los pies.
C1 verb /ˈskʌt.əl/

scuttle

felicidad
Meaning
To run hurriedly with short, quick steps; or to deliberately sink a ship.
Example
The children scuttled back to their seats when the teacher entered.
Ella no podía ocultar su felicidad cuando recibió el premio.
C1 noun /nuːs/

Noose

lazo
Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
El vaquero hizo un lazo para atrapar al caballo salvaje.
C1 noun /zest/

Zest

entusiasmo; energía y emoción; la cáscara exterior de una fruta cítrica
Meaning
great enthusiasm and energy; excitement and vigor; the outer peel of a citrus fruit
Example
She approached the new job with tremendous zest.
Ella asumió el nuevo trabajo con un enorme entusiasmo.
C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

recíproco; mutuo; compartido por ambas partes;
Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
Los dos países tienen un acuerdo comercial recíproco.
C1 noun /ˌkɑːr.diˈɒl.ə.dʒɪst/

cardiologist

cardiólogo
Meaning
A doctor specializing in diagnosing and treating heart diseases.
Example
She made an appointment with a cardiologist for her chest pain.
Ella hizo una cita con un cardiólogo debido al dolor en su pecho.
C1 noun /səˈvɪləti/

civility

cortesía
Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
Trató a su oponente con cortesía a pesar de sus diferencias.
C1 adjective /ˈdraʊ.zi/

Drowsy

somnoliento; adormilado; cansado
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
Me sentí somnoliento después de la comida pesada.
C1 adjective /sliːk/

sleek

elegante y brillante
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
Ella condujo un coche deportivo brillante y elegante.
C1 noun ˌdɪdʒɪˈnɛəreɪʃən

degeneration

degeneración
Meaning
The process of decline or deterioration in structure or function.
Example
The degeneration of brain cells leads to cognitive decline.
La degeneración de las células cerebrales conduce a un deterioro cognitivo.
C1 verb /ˈmɒd.jʊ.leɪt/

modulate

modular
Meaning
To change the strength, tone, or pitch of something; to adjust or regulate.
Example
A good speaker knows how to modulate their voice.
Un buen orador sabe cómo modular su voz.
C1 adjective /ˈtrænzɪtɔːri/

transitory

transitorio
Meaning
Not permanent; temporary.
Example
The transitory nature of fame makes it difficult to maintain.
La naturaleza transitoria de la fama hace que sea difícil de mantener.
C1 noun/verb /ɡrʌdʒ/

grudge

rencor
Meaning
A persistent feeling of ill will or resentment from a past insult or injury.
Example
She still holds a grudge against him for what happened years ago.
Ella todavía guarda rencor contra él por lo que ocurrió hace años.
C1 adjective /ɪnˈdjʊər.ə.bəl/

Endurable

soportable
Meaning
able to be endured; bearable; tolerable
Example
The pain was endurable with proper medication.
El dolor era soportable con la medicación adecuada.
C1 noun /ˈsækrɪlɪdʒ/

sacrilege

sacrilegio
Meaning
Violation or misuse of what is regarded as sacred.
Example
Stealing from the temple was considered an act of sacrilege.
Robar del templo se consideraba un acto de sacrilegio.
C1 noun /poʊˈlær.ɪ.ti/

polarity

polaridad
Meaning
the state of having two opposite or contradictory tendencies, opinions, or aspects
Example
The polarity between the two political parties is growing stronger.
La polaridad entre los dos partidos políticos está creciendo.
C1 noun /ˈɪn.floʊ/

inflow

flujo
Meaning
The movement of things such as money, people, or water into a place.
Example
The inflow of tourists boosted the local economy.
El flujo de turistas impulsó la economía local.
C1 adjective /məˈnɒtənəs/

Monotonous

monótono; aburrido; repetitivo
Meaning
lacking in variety; tediously unvarying; boring and repetitive
Example
The monotonous sound of the rain made everyone feel sleepy.
El sonido monótono de la lluvia hizo que todos se sintieran somnolientos.
C1 noun /ˈprəʊsiːdz/

proceeds

ingresos
Meaning
money obtained from an event, activity, or sale
Example
The proceeds from the charity event were donated to the orphanage.
Los ingresos del evento benéfico fueron donados al orfanato.
C1 adjective /ɪˈrɒtɪk/

erotic

erótico
Meaning
relating to or tending to arouse sexual desire or excitement
Example
The novel contained several erotic scenes.
La novela contenía varias escenas eróticas.
C1 adjective /dɪˈfɛnsəbəl/

defensible

defendible / justificable
Meaning
Capable of being protected against attack or criticism; justifiable.
Example
Her decision was legally defensible.
Su decisión era legalmente defendible.
C1 noun /ˈtrænsfərəns/

transference

transferencia
Meaning
The act of moving something from one place, person, or situation to another.
Example
The transference of knowledge is essential in education.
La transferencia de conocimiento es esencial en la educación.
C1 adjective /ˈrʌs.tɪk/

Rustic

sencillo y no sofisticado; relacionado con áreas rurales
Meaning
simple and unsophisticated; relating to rural areas
Example
The rustic cottage had wooden beams and a thatched roof.
La cabaña rústica tenía vigas de madera y un techo de paja.
C1 adjective /sɔɪld/

soiled

sucio
Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
Su ropa estaba sucia después de jugar en el barro.
C1 adjective /əˌpɒk.əˈlɪp.tɪk/

apocalyptic

apocalíptico
Meaning
Describing the end of the world, or something catastrophic and disastrous.
Example
The movie depicts an apocalyptic future after a nuclear war.
La película describe un futuro apocalíptico después de una guerra nuclear.
C1 adverb /ˌɪnsɪˈdɛntəli/

incidentally

por cierto
Meaning
by the way; used to introduce a remark not directly related to the main subject
Example
Incidentally, did you know that she studied in Paris?
Por cierto, ¿sabías que estudió en París?
C1 adjective /ˈhɔːltɪŋ/

halting

vacilante
Meaning
slow and hesitant, especially due to lack of confidence
Example
She gave a halting reply during the interview.
Ella dio una respuesta vacilante durante la entrevista.
C1 adjective /ɡroʊˈtɛsk/

grotesque

grotesco
Meaning
comically or repulsively ugly or distorted
Example
The sculpture was so grotesque that it frightened the children.
La escultura era tan grotesca que asustó a los niños.
C1 noun /ˌəʊvərɪksˌplɔɪˈteɪʃən/

overexploitation

sobreexplotación
Meaning
The unsustainable use of natural resources at a rate that exceeds their ability to regenerate, leading to depletion and environmental degradation.
Example
Overexploitation of natural resources leads to environmental degradation.
La sobreexplotación de los recursos naturales conduce a la degradación ambiental.
C1 noun ˌdʒiːəˈlɒdʒɪkəl ˈstrʌktʃər

geological structure

estructura geológica
Meaning
The arrangement and composition of rocks, minerals, and landforms in the Earth's crust.
Example
Scientists will study the Moon's geological structure.
Los científicos estudiarán la estructura geológica de la luna.
C1 adjective /ˈkjuːmjələtɪv/

cumulative

cumulativo
Meaning
Increasing gradually by addition; growing in quantity, force, or effect.
Example
The cumulative effect of stress can harm your health.
El efecto acumulativo del estrés puede dañar tu salud.
C1 noun /ˈbɪɡ.ət/

bigot

fanático
Meaning
A person who is intolerant toward those holding different opinions or beliefs.
Example
He was called a bigot for refusing to listen to others' views.
Lo llamaron fanático por negarse a escuchar las opiniones de los demás.
C1 noun dɛkˈstɛr.ɪ.ti

dexterity

destreza
Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
Su destreza al tocar el piano asombró al público.
C1 noun /ˌdɛtəˈneɪʃən/

detonation

detonación
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
La repentina detonación sacudió todo el edificio.
C1 adjective ʌnˈtʃɑːtɪd

uncharted

inexplorado
Meaning
Not mapped or surveyed; unknown or unexplored.
Example
The mission aimed to explore uncharted areas of the planet.
La misión tenía como objetivo explorar áreas inexploradas del planeta.
C1 noun /ˈpɛntəɡən/

pentagon

pentágono
Meaning
A plane figure with five straight sides and five angles; also refers to the US Department of Defense building.
Example
The Pentagon is one of the most iconic government buildings in the United States.
El Pentágono es uno de los edificios gubernamentales más icónicos de los Estados Unidos.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

impermeable
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
El contenedor está hecho de plástico impermeable.
C1 noun ˈsʌb.tɛkst

subtext

subtexto
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
El subtexto de su discurso sugirió desacuerdo.
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

simbiótico
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
La relación entre la abeja y la flor es simbiótica.
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 noun /ɪnˈkɒmpɪtəns/

incompetence

incompetencia
Meaning
Lack of ability, skill, or effectiveness in doing something.
Example
The project failed due to the manager’s incompetence.
El proyecto fracasó debido a la incompetencia del gerente.
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

autoindulgencia
Meaning
The act of allowing oneself to enjoy pleasures or desires excessively.
Example
His weekend of self-indulgence included eating sweets and watching movies nonstop.
Su fin de semana de autoindulgencia incluyó comer dulces y ver películas sin parar.
C1 adjective /rɪˈpres.ɪv/

Repressive

represivo
Meaning
restraining freedom or preventing self-expression; oppressive
Example
The repressive government banned all forms of protest.
El gobierno represivo prohibió todas las formas de protesta.
C1 noun /ˈrɛz.ə.nəns/

resonance

resonancia
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
Su discurso tuvo una profunda resonancia con la audiencia.
C1 noun /ˈhæm.lət/

Hamlet

pequeña aldea
Meaning
a small rural settlement, smaller than a village; a small community
Example
The tiny hamlet nestled in the valley had only a dozen houses and one small church.
La pequeña aldea enclavada en el valle tenía solo una docena de casas y una pequeña iglesia.
C1 adjective /ʌnˈmænɪdʒəbəl/

Unmanageable

incontrolable; fuera de control
Meaning
difficult or impossible to control or handle
Example
The large class became unmanageable without proper supervision.
La gran clase se volvió incontrolable sin una supervisión adecuada.
C1 noun /ˈlæd.i/

laddie

niño
Meaning
A young boy or lad.
Example
The old man gave the young laddie a kind smile.
El anciano le dio una sonrisa amable al joven niño.
C1 verb /ˈstaɪmi/

stymie

obstruir
Meaning
to prevent or hinder the progress of something
Example
The new regulations could stymie small businesses.
Las nuevas regulaciones podrían obstaculizar a las pequeñas empresas.
C1 noun /tækt/

tact

tacto
Meaning
Adroitness and sensitivity in dealing with others or with difficult issues.
Example
He handled the situation with tact and professionalism.
Él manejó la situación con tacto y profesionalismo.
C1 adjective /dɪˈrɒɡətɔːri/

derogatory

despectivo
Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
El artículo contenía comentarios despectivos sobre el político.
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

sensibilidad
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
El gerente apreció su sensibilidad ante los comentarios de los clientes.
C1 noun /blaɪt/

blight

plaga
Meaning
A disease or condition that causes plants to wither; something that spoils or damages.
Example
The drought was a blight on the farmer’s crops.
La sequía fue una plaga para los cultivos del agricultor.
C1 noun /djuːn/

dune

duna
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
Los niños jugaban en la duna de arena junto a la playa.
C1 verb /ˈræn.sæk/

ransack

saquear
Meaning
to search a place roughly and steal or damage things
Example
Burglars ransacked the house while the family was away.
Los ladrones saquearon la casa mientras la familia estaba fuera.
C1 adjective /kəmˈpʌlsɪv/

compulsive

compulsivo
Meaning
Resulting from or acting on an irresistible urge, especially one that is against one's conscious wishes.
Example
He is a compulsive gambler who cannot stop placing bets.
Él es un jugador compulsivo que no puede dejar de apostar.
C1 adjective /ɒmˈnɪv.ər.əs/

Omnivorous

omnívoro
Meaning
eating both plants and animals; feeding on various kinds of food
Example
Bears are omnivorous animals that eat both plants and meat.
Los osos son animales omnívoros que comen tanto plantas como carne.
C1 adjective ʌnˈmætʃt

unmatched

incomparable
Meaning
Not equaled or rivaled by any other; without equal.
Example
The freedom fighters showed unmatched bravery.
Los luchadores por la libertad demostraron valentía incomparable.
C1 noun /ˈʃoʊ.və.nɪst/

chauvinist

persona excesivamente parcial
Meaning
A person displaying excessive or prejudiced loyalty to a group, cause, or gender.
Example
He was labeled a chauvinist after his remarks about women in the workplace.
Fue etiquetado como chauvinista después de sus comentarios sobre las mujeres en el lugar de trabajo.
C1 noun /pərˈvɜːrʒən/

perversion

perversión
Meaning
The act of distorting or corrupting the original meaning, purpose, or state of something.
Example
The regime’s censorship was seen as a perversion of free speech.
La censura del régimen se consideró una perversión de la libertad de expresión.
C1 noun /həˌluː.sɪˈneɪ.ʃən/

Hallucination

alucinación; percepción de algo que no está presente
Meaning
an experience involving the apparent perception of something not present; a false or distorted perception
Example
The patient experienced visual hallucinations as a side effect of the medication.
El paciente experimentó alucinaciones visuales como un efecto secundario de la medicación.
C1 noun /ˈruːbrɪk/

rubric

rubrica / directriz
Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
El maestro proporcionó una rúbrica de calificación para la tarea.
C1 verb /kəmˈpjuːt/

compute

calcular
Meaning
To calculate or determine by using a computer or mathematical methods.
Example
The software can compute the total cost in seconds.
El software puede calcular el costo total en segundos.
C1 noun /riːk/

Reek

oler mal; dar una fuerte impresión de algo desagradable o no deseado
Meaning
to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable
Example
The garbage can reeks of rotten food.
El cubo de basura huele a comida podrida.
C1 noun /ˈfɔːrmən/

foreman

persona encargada de un grupo de trabajadores, especialmente en una fábrica o en una obra de construcción
Meaning
a person in charge of a group of workers, especially in a factory or construction site
Example
The foreman supervised the workers on the construction site.
El capataz supervisó a los trabajadores en el sitio de construcción.
C1 noun /ˈænərkɪst/

anarchist

anarquista
Meaning
a person who believes in or promotes the absence of government or authority
Example
The anarchist group protested against state control.
El grupo anarquista protestó contra el control estatal.
C1 noun /ˈfɔːr.teɪ/ or /fɔːrt/

forte

fortaleza
Meaning
a strong ability or talent; something one does particularly well
Example
Cooking is definitely her forte.
Cocinar es definitivamente su fortaleza.
C1 noun /səˈbraɪəti/

sobriety

sobriedad
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
Ha mantenido su sobriedad durante cinco años.
C1 noun /ˌpeɪ.li.ɒnˈtɒl.ə.dʒi/

paleontology

paleontología
Meaning
the branch of science concerned with fossil animals and plants
Example
She decided to study paleontology at university.
Decidió estudiar paleontología en la universidad.
C1 verb /ˈflaʊndər/

flounder

tambalear
Meaning
To struggle or stagger clumsily; to experience difficulty or confusion.
Example
He floundered in the interview when asked difficult questions.
Él se tambaleó en la entrevista cuando le hicieron preguntas difíciles.
C1 noun /ɪnˈfɜː.mə.ti/

Infirmity

debilidad; enfermedad; fraqueza
Meaning
physical or mental weakness; a disease or ailment; frailty
Example
Despite his advanced age and various infirmities, he remained mentally sharp and alert.
A pesar de su avanzada edad y varias enfermedades, se mantuvo mentalmente agudo y alerta.