spectral
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
C1 adjective /ˈspɛktrəl/

spectral

espectral
Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
La vieja mansión tenía una atmósfera espectral por la noche.
C1 noun ˈstræt.ə.sfɪər

stratosphere

estratósfera
Meaning
The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.
Example
The stratosphere provides a unique environment.
La estratósfera proporciona un entorno único.
C1 adverb /rɪˈspek.tə.bli/

Respectably

de manera respetable; decente;
Meaning
in a way that is worthy of respect; decently; properly
Example
She was dressed respectably for the interview.
Ella estaba vestida de manera respetable para la entrevista.
C1 verb /wiːn/

wean

destetar
Meaning
To gradually stop a child or animal from breastfeeding; to detach from a habit.
Example
Parents often wean their babies around six months old.
Los padres suelen destetar a sus bebés alrededor de los seis meses.
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 adjective /rɪˈzɪstɪv/

resistive

resistivo
Meaning
tending to resist or oppose; in physics, relating to electrical resistance
Example
The material has resistive properties that slow down current flow.
El material tiene propiedades resistivas que desaceleran el flujo de corriente.
C1 noun /ˈræp.tʃər/

rapture

éxtasis, rapto
Meaning
A feeling of intense joy, delight, or ecstasy.
Example
She listened to the music in rapture.
Ella escuchaba la música en éxtasis.
C1 adjective /məˈtɪk.jə.ləs/

meticulous

Extremadamente cuidadoso y preciso en la atención al detalle
Meaning
Extremely careful and precise in attention to detail
Example
A meticulous researcher checks every detail before publishing.
Un investigador meticuloso revisa cada detalle antes de publicar.
C1 adjective /ˈsʌn.dri/

sundry

diverso
Meaning
Various or miscellaneous.
Example
The shop sells fruits, clothes, and sundry items.
La tienda vende frutas, ropa y varios artículos.
C1 adjective ɪɡˈzɛmpləri

exemplary

ejemplar
Meaning
Serving as a desirable model; representing the best of its kind.
Example
She was praised for her exemplary work ethic and dedication.
Fue elogiada por su ética de trabajo ejemplar y dedicación.
C1 noun /ˈsiːskeɪp/

seascape

paisaje marino
Meaning
A view or painting of the sea.
Example
The artist painted a beautiful seascape at sunset.
El artista pintó un hermoso paisaje marino al atardecer.
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

presuntuoso
Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
Fue presuntuoso de su parte tomar esa decisión sin consultar a los demás.
C1 adjective /ɒˈstɛnsəbl/

ostensible

aparente
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
Su aparente razón para irse era la enfermedad, pero muchos lo dudaron.
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 /pərˈsweɪdəbl̩/

persuadable

que se puede convencer fácilmente
Meaning
capable of being convinced or influenced to do something
Example
She was easily persuadable when it came to trying new foods.
Ella era fácilmente persuadible cuando se trataba de probar nuevos alimentos.
C1 adjective /ˈɡrɪz.li/

grisly

espantoso
Meaning
causing horror or disgust
Example
The police discovered a grisly scene at the crime site.
La policía descubrió una escena espantosa en el lugar del crimen.
C1 adjective /ˌoʊvərˈbɛrɪŋ/

overbearing

opresivo
Meaning
unpleasantly or arrogantly domineering
Example
His overbearing attitude made everyone uncomfortable.
Su actitud opresiva hizo que todos se sintieran incómodos.
C1 adjective /təˈren.ʃəl/

Torrential

tormentoso; lluvia intensa
Meaning
falling rapidly in copious streams; extremely heavy rainfall
Example
The torrential rain flooded the streets within hours.
La lluvia torrencial inundó las calles en pocas horas.
C1 noun /ɡæf/

gaffe

desliz
Meaning
An unintentional act or remark causing embarrassment; a blunder.
Example
The politician's gaffe quickly spread on social media.
El desliz del político se propagó rápidamente en las redes sociales.
C1 verb /əˈfɪliˌeɪt/

affiliate

afiliar
Meaning
to officially attach or connect (a group or organization) to a larger body
Example
The school is affiliated with the local university.
La escuela está afiliada a la universidad local.
C1 adjective /rɪˈtɔːrɪkəl/

rhetorical

retórico
Meaning
relating to the art of effective or persuasive speaking or writing; often a question asked to make a point rather than get an answer
Example
He asked a rhetorical question during the debate.
Hizo una pregunta retórica durante el debate.
C1 phrasal verb /ɡlɒs ˈoʊ.vər/

gloss over

pasar por alto / minimizar
Meaning
to avoid discussing something unpleasant or make it seem less important
Example
The report glossed over the company's financial problems.
El informe pasó por alto los problemas financieros de la empresa.
C1 noun ˈælərdʒən

allergen

sustancia que causa una reacción alérgica
Meaning
A substance that causes an allergic reaction.
Example
Pollen is a common allergen that affects many people.
El polen es un alérgeno común que afecta a muchas personas.
C1 adjective sɪˈmæn.tɪk

semantic

relacionado con el significado en el lenguaje
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
Los modelos de IA utilizan análisis semántico para entender el contexto.
C1 noun /ˌɑːk.sɪˈmɔːr.ɒn/

oxymoron

oxímoron
Meaning
a figure of speech where two contradictory terms are combined
Example
The phrase 'deafening silence' is a classic oxymoron.
La frase 'silencio ensordecedor' es un oxímoron clásico.
C1 verb /ˈbɑːrtər/

barter

trueque
Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.
Intercambiaron sus cultivos por herramientas hechas a mano.
C1 verb /ˈlɛvi/

levy

imponer
Meaning
To impose or collect, especially a tax or fine.
Example
The government decided to levy a new tax on luxury goods.
El gobierno decidió imponer un nuevo impuesto sobre los productos de lujo.
C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

intensificación
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
La intensificación del cambio climático requiere una acción urgente.
C1 noun /æɡˈnɒs.tɪk/

agnostic

agnóstico
Meaning
a person who believes that nothing is known or can be known about the existence of God; uncertain in belief
Example
He described himself as an agnostic rather than an atheist.
Se describió a sí mismo como un agnóstico en lugar de un ateo.
C1 noun /ˈɡræv.ɪ.tæs/

gravitas

gravedad
Meaning
Dignity, seriousness, or solemnity of manner or speech.
Example
The judge spoke with great gravitas.
El juez habló con gran gravedad.
C1 noun /pʌnˈdʒɑː.bi/

Punjabi

punyabi
Meaning
a traditional long shirt worn in South Asia, typically loose-fitting
Example
He wore a white punjabi for the festival celebration.
Él usó un punyabi blanco para la celebración del festival.
C1 adjective /aɪˈdɪlɪk/

idyllic

idílico y hermoso
Meaning
Like an idyll; extremely happy, peaceful, or picturesque.
Example
They enjoyed an idyllic vacation by the sea.
Disfrutaron de unas vacaciones idílicas junto al mar.
C1 adjective /dɪˈvaʊt/

devout

devoto
Meaning
Deeply religious or sincere.
Example
He is a devout believer who prays every day.
Él es un devoto creyente que reza todos los días.
C1 adjective /sɪər/

Sear

marchito; seco; quemado
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
Las hojas secas cayeron de los árboles en otoño.
C1 adjective /ˈkɒnvɛks/

convex

convexo, redondeado hacia afuera
Meaning
curved or rounded outward
Example
The lens has a convex shape to focus light.
La lente tiene una forma convexa para enfocar la luz.
C1 noun /ˈwɛlˌduːər/

well-doer

bienhechor
Meaning
A person who does good deeds; a benefactor.
Example
The community praised the well-doer for his charity.
La comunidad elogió al bienhechor por su caridad.
C1 adjective /ˈdʒiː.ni.əl/

genial

amable
Meaning
friendly, cheerful, and pleasant
Example
She greeted us with a genial smile.
Ella nos saludó con una sonrisa amable.
C1 adjective /ɪmˈpjʊər/

Impure

impuro
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
El agua impura causó problemas de salud en el pueblo.
C1 noun /ˈhɑː.mə.nɪm/

homonym

homónimo
Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
La palabra 'murciélago' es un homónimo porque puede significar un animal o una herramienta deportiva.
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

recuperación
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
El descanso es esencial para la recuperación después de una enfermedad.
C1 adjective /ɪˈstiːmd/

Esteemed

estimado
Meaning
respected and admired; held in high regard
Example
He is an esteemed professor at the university.
Él es un profesor estimado en la universidad.
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

hipócrita y moralista
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
Él dio un discurso hipócrita sobre la honestidad mientras él mismo era corrupto.
C1 verb /nɪˈɡeɪt/

negate

negar, invalidar
Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
Las nuevas pruebas invalidarán las afirmaciones hechas anteriormente.
C1 noun /ɪnˈsæn.ə.ti/

Insanity

locura; demencia
Meaning
the state of being seriously mentally ill; extreme foolishness or irrationality
Example
The defense lawyer argued that his client was not guilty by reason of insanity.
El abogado defensor argumentó que su cliente no era culpable por razón de locura.
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

expresivo
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
Ella era muy expresiva con su afecto hacia sus amigos.
C1 noun /pəˈfjuː.mər.i/

perfumery

industria de perfumes
Meaning
the art, business, or products of making perfumes
Example
She works in a perfumery that creates luxury scents.
Ella trabaja en una perfumería que crea aromas de lujo.
C1 verb /dɪˈfeɪs/

deface

desfigurar
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
Los vándalos desfiguraron la pared con grafitis.
C1 adjective /ˌæpəˈθɛtɪk/

apathetic

apático
Meaning
showing or feeling little or no interest, enthusiasm, or concern
Example
He was apathetic about the outcome of the match.
Él estaba apático respecto al resultado del partido.
C1 noun /ˈwɪndfɔːl/

windfall

ganancia inesperada
Meaning
an unexpected piece of good fortune, typically a large amount of money
Example
The startup received a windfall when a major client paid for a full year in advance.
La startup recibió una ganancia inesperada cuando un cliente importante pagó por un año completo por adelantado.
C1 adjective /ˈhæloʊd/

hallowed

sagrado
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
Cruzaron los sagrados pasillos de la vieja universidad.
C1 noun /ɡæsˈtrɒnəmi/

gastronomy

gastronomía
Meaning
The art or science of good eating and fine cuisine.
Example
Paris is famous for its rich tradition of gastronomy.
París es famoso por su rica tradición en gastronomía.
C1 noun /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

insignificancia
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
Él sintió un sentido de insignificancia en el vasto universo.
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 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 /ˈaʊtˌɡroʊθ/

outgrowth

desarrollo
Meaning
something that grows out of something else; a natural development or result
Example
The new policy was an outgrowth of years of debate.
La nueva política fue un desarrollo de años de debate.
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 /kəˈlæm.ɪ.ti/

Calamity

calamidad; desastre
Meaning
an event causing great and often sudden damage or distress; a disaster
Example
The earthquake was a terrible calamity that affected thousands of families.
El terremoto fue una terrible calamidad que afectó a miles de familias.
C1 adjective /ɪmˈpæʃənd/

impassioned

apasionado
Meaning
Filled with or showing great emotion.
Example
She gave an impassioned speech about human rights.
Ella dio un discurso apasionado sobre los derechos humanos.
C1 noun /hɑːrp/

Harp

arpa
Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
El ángel tocó una hermosa melodía en el arpa.
C1 verb /ˈskævɪndʒ/

scavenge

buscar entre la basura
Meaning
to search through waste or discarded material to find useful items
Example
The children scavenged for food in the garbage dump.
Los niños scavengaron para encontrar comida en el basurero.
C1 noun /krɪpt/

crypt

cripta
Meaning
an underground chamber, especially one beneath a church, used as a burial place
Example
The tourists explored the ancient crypt beneath the cathedral.
Los turistas exploraron la antigua cripta debajo de la catedral.
C1 noun /kəˈpɪl.ər.iz/

capillaries

capilares
Meaning
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Example
Broken capillaries cause dark circles.
Las capilares rotas causan círculos oscuros.
C1 noun /ˈpleɪdʒərɪzəm/

plagiarism

plagio
Meaning
the practice of taking someone else's work or ideas and passing them off as one's own
Example
The student was expelled for committing plagiarism in his essay.
El estudiante fue expulsado por cometer plagio en su ensayo.
C1 verb /ɪnˈkrəʊtʃ/

encroach

felicidad
Meaning
to gradually take over or intrude on someone’s rights, territory, or space
Example
The buildings began to encroach on the protected forest land.
Ella no pudo ocultar su felicidad cuando recibió el premio.
C1 noun /naɪˈiːvteɪ/

naivete

ingenuidad
Meaning
The quality of being naive; lack of experience, wisdom, or judgment.
Example
His naivete made him an easy target for manipulation.
Su ingenuidad lo convirtio en un blanco facil para la manipulacion.
C1 verb /ˈbrændɪʃ/

brandish

agitar
Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
Él brandió una espada para asustar a los intrusos.
C1 verb /ˈstɪp.jʊ.leɪt/

stipulate

establecer
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
El contrato estipula que el pago debe realizarse dentro de 30 días.
C1 adjective /ˈlɔːf.ti/

Lofty

alto; noble en carácter; elevado en estilo
Meaning
of great height; noble in character; elevated in style
Example
He has lofty ideals about making the world a better place.
Él tiene ideales elevados sobre hacer del mundo un lugar mejor.
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

solubilidad
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
La solubilidad de la sal en agua es alta.
C1 noun ˌsɛn.trə.laɪˈzeɪ.ʃən

centralization

centralización
Meaning
The concentration of control and decision-making power in a central authority.
Example
Excessive centralization can slow down decision-making.
La centralización excesiva puede ralentizar la toma de decisiones.
C1 adjective /ˈfɛrəl/

feral

salvaje
Meaning
existing in a wild or untamed state; not domesticated
Example
The feral cat roamed the streets at night.
El gato salvaje rondaba por las calles por la noche.
C1 noun /ruːz/

Ruse

artimaña; truco
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
El ladrón usó una artimaña astuta para distraer al guardia.
C1 noun, verb /buːz/

booze

alcohol
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
Compraron alcohol para la fiesta.
C1 adjective ˈflʌd proʊn

flood-prone

propenso a inundaciones
Meaning
Susceptible to flooding; likely to experience floods frequently.
Example
Bangladesh is a flood-prone deltaic nation.
Bangladesh es una nación deltaica propensa a inundaciones.
C1 noun /suˈpriː.mə.si/

Supremacy

supremacía; autoridad o poder más alto
Meaning
the state of being supreme; highest authority or power
Example
The country established naval supremacy in the region.
El país estableció supremacía naval en la región.
C1 noun /ˈspɛkjʊˌleɪtər/

speculator

especulador
Meaning
A person who forms theories without evidence, or invests in assets hoping for profit.
Example
The real estate speculator bought land hoping its value would rise.
El especulador de bienes raíces compró tierras con la esperanza de que su valor aumentaría.
C1 verb /ˈveɪpəraɪz/

vaporize

vaporizar
Meaning
to turn into vapor or gas
Example
The heat of the sun can vaporize water from the surface.
El calor del sol puede vaporizar el agua de la superficie.
C1 adjective /əˈkʌlt/

occult

oculto
Meaning
Relating to mysterious, supernatural, or magical powers and practices.
Example
She had always been fascinated by the occult and its hidden knowledge.
Ella siempre estuvo fascinada por lo oculto y su conocimiento oculto.
C1 noun /tækˈsɒnəmi/

taxonomy

ciencia de la clasificación
Meaning
The science or practice of classifying things, especially organisms.
Example
Modern taxonomy helps scientists organize and study biodiversity.
La taxonomía moderna ayuda a los científicos a organizar y estudiar la biodiversidad.
C1 adjective /ɪˈnænɪmət/

inanimate

objeto inanimado
Meaning
not alive, especially not in the manner of animals and humans; lifeless
Example
The museum was full of inanimate objects from ancient times.
El museo estaba lleno de objetos inanimados de tiempos antiguos.
C1 adjective /ˈstɒdʒi/

stodgy

pesado, anticuado
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
La conferencia fue tan pesada que muchos estudiantes tuvieron dificultades para mantenerse despiertos.
C1 adjective /ˈfɔːrmətɪv/

formative

formativo
Meaning
Having a lasting influence on a person's development or character.
Example
Childhood is often described as a formative stage in life.
La infancia a menudo se describe como una etapa formativa en la vida.
C1 noun /ɪˈnæməl/

enamel

esmalte
Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
El dentista explicó que el esmalte protege los dientes de la caries.
C1 adjective /raɪf/

rife

generalizado
Meaning
widespread or common, often in a negative sense
Example
Corruption was rife in the old government system.
La corrupción era generalizada en el antiguo sistema gubernamental.
C1 adjective /ˌjuːnɪˈsɛljʊlər/

unicellular

unicelular
Meaning
Consisting of a single cell.
Example
Amoebas are unicellular organisms.
Las amibas son organismos unicelulares.
C1 noun /ˈdaɪhɑːrd/

diehard

fanático
Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
Él es un fanático acérrimo de la música rock clásica.
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 adverb /ˈɡeɪ.li/

Gaily

alegremente; con alegría
Meaning
in a cheerful and lively manner
Example
The children danced gaily at the festival.
Los niños bailaron alegremente en el festival.
C1 adjective /ˈwer.i/

Wary

cauteloso; prudente
Meaning
cautious; careful to avoid danger or problems
Example
She was wary of strangers approaching her at night.
Ella estaba cautelosa con los extraños que se acercaban a ella por la noche.
C1 adjective /ˌʌnˈpɑr.də.nə.bəl/

Unpardonable

imperdonable
Meaning
too bad to be forgiven; inexcusable
Example
His betrayal of trust was an unpardonable offense.
Su traición fue un delito imperdonable.
C1 adjective /ɪˈnɒkjuəs/

innocuous

inofensivo
Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
Su comentario fue completamente inofensivo y no tenía la intención de ofender a nadie.
C1 noun prɪˌsɪp.ɪˈteɪ.ʃən

precipitation

precipitación
Meaning
Rain, snow, sleet, or hail that falls to or condenses on the ground.
Example
Annual precipitation levels are decreasing.
Los niveles anuales de precipitación están disminuyendo.
C1 noun /vɛnˈdɛtə/

vendetta

venganza
Meaning
a prolonged bitter quarrel or campaign of revenge
Example
The two families were caught in a bitter vendetta for generations.
Las dos familias estuvieron atrapadas en una amarga venganza durante generaciones.
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 /rɪˈtaɪərɪŋ/

retiring

tímido
Meaning
Shy and reserved; avoiding social contact.
Example
She is a quiet, retiring woman who avoids attention.
Ella es una mujer tranquila y tímida que evita la atención.
C1 noun /ʃəˈreɪd/

charade

farsa, juego de mímica
Meaning
an absurd pretense or act intended to deceive; also a word-guessing game
Example
The trial was nothing more than a political charade.
El juicio no fue más que una farsa política.
C1 noun /ˌprəʊˈæk.tɪv ˈliː.də.ʃɪp/

proactive leadership

liderazgo proactivo
Meaning
Leadership that takes initiative and anticipates problems before they occur, rather than reacting to events.
Example
Proactive leadership ensures timely decisions.
El liderazgo proactivo asegura decisiones oportunas.
C1 noun /ˈkɒnɪfər/

conifer

Conífera
Meaning
a type of tree that bears cones and evergreen needle-like leaves, such as pine or fir
Example
The forest is dominated by conifers like pine and spruce.
El bosque está dominado por coníferas como el pino y el abeto.
C1 noun /ˌɑːrbɪˈtreɪʃən/

arbitration

arbitraje
Meaning
the process of resolving a dispute through an impartial third party whose decision is binding; formal judgment outside a court
Example
The contract requires arbitration to settle any disputes.
El contrato exige arbitraje para resolver cualquier disputa.
C1 adverb /ˈleŋθ.waɪz/

Lengthwise

a lo largo; en la dirección más larga
Meaning
in the direction of the length; along the longest dimension
Example
Fold the paper lengthwise to make it easier to carry.
Dobla el papel a lo largo para que sea más fácil de llevar.
C1 noun /faɪˈnælɪti/

finality

finalidad
Meaning
the quality of being final or irreversible; a sense of conclusiveness
Example
The judge's decision gave the case a sense of finality.
La decisión del juez le dio al caso una sensación de finalidad.
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.
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

degradación
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
La degradación del suelo debido al uso excesivo es un problema creciente.
C1 adjective /əbˈsɛsɪv/

obsessive

obsesivo
Meaning
Relating to or characterized by an obsession; thinking about something too much.
Example
He has an obsessive interest in cleanliness.
Él tiene un interés obsesivo en la limpieza.
C1 noun /ˈɔːnɪŋ/

awning

toldo
Meaning
a sheet of canvas or material stretched on a frame to shelter a place from the sun or rain
Example
We sat under the awning to avoid the heavy rain.
Nos sentamos debajo del toldo para evitar la lluvia intensa.
C1 adjective /ˈraɪ.tʃəs/

Righteous

recto; justo; virtuoso
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
Ella sintió ira justa por el trato injusto hacia los trabajadores.
C1 noun /mɒb/

Mob

multitud; un grupo que actúa de manera violenta
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
Una multitud enfadada se reunió fuera del edificio.
C1 noun, adjective /ˌæntiˈsɛptɪk/

antiseptic

antiséptico
Meaning
A substance that prevents the growth of disease-causing microorganisms; clean and free from germs.
Example
The nurse applied an antiseptic to the wound.
La enfermera aplicó un antiséptico a la herida.
C1 noun /ˈhed.weɪ/

Headway

progreso; avance; adelanto
Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
A pesar de los desafíos, el equipo de investigación logró un progreso significativo en el desarrollo de la nueva vacuna.
C1 adjective /ʌnˈsəʊʃəl/

unsocial

antisocial
Meaning
not enjoying the company of others; avoiding social interaction; contrary to social norms
Example
He prefers unsocial hours so he can work alone without interruptions.
Prefiere horarios antisociales para trabajar solo.
C1 noun /dɪn/

din

ruido
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
El ruido del tráfico afuera hacía difícil concentrarse.
C1 adjective /ʌnˈsoʊld/

unsold

no vendido
Meaning
not sold; remaining without a buyer
Example
The unsold goods were returned to the warehouse.
Los productos no vendidos fueron devueltos al almacén.
C1 adjective /ˈmaʊntɪnəs/

Mountainous

montañoso
Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
La región montañosa era difícil de recorrer.
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 noun /ˈpeɪtriɑːrk/

patriarch

patriarca
Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
Como patriarca de la familia, mediaba disputas y mantenía vivas las viejas tradiciones.
C1 adjective ˈkʌm.bə.səm

cumbersome

pesado, torpe, difícil de manejar
Meaning
Heavy, unwieldy, difficult to handle or carry.
Example
The cumbersome luggage slowed him down.
El equipaje pesado lo ralentizó.
C1 adjective /ˌsɛm.iˈæn.ju.əl/

semiannual

semi-anual
Meaning
Occurring twice a year; every six months.
Example
The company holds a semiannual meeting with all employees.
La empresa organiza una reunión semi-anual con todos los empleados.
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 adjective /ˈmjuːtɪd/

muted

atenuado
Meaning
softened in sound, color, or effect; subdued
Example
The room was painted in muted shades of blue and grey.
La habitación fue pintada en tonos atenuados de azul y gris.
C1 noun /ˈʌndərˌstʌdi/

understudy

doble de reparto
Meaning
An actor who learns another's role to act as a replacement if needed.
Example
The understudy performed when the lead actor fell ill.
El doble de reparto actuó cuando el actor principal se enfermó.
C1 noun prəˈfaʊnd ɪˈnɪʃətɪv

profound initiative

iniciativa profunda
Meaning
A deep, meaningful, and significant action or program designed to create change.
Example
A profound initiative can create sustainable changes.
Una iniciativa profunda puede crear cambios sostenibles.