scuttle
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 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 /ˈkʌn.stə.bəl/

constable

agente
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
El agente dirigió el tráfico en la intersección concurrida.
C1 noun /ˈkɒz.moʊs/

Cosmos

flor cosmos
Meaning
a colorful annual flower with daisy-like blooms and feathery foliage
Example
The cosmos flowers swayed gently in the summer breeze across the meadow.
Las flores de cosmos se movían suavemente en la brisa de verano a través del prado.
C1 verb /ɪˈkɒnəmaɪz/

economize

economizar
Meaning
To reduce spending or use resources carefully.
Example
Families are trying to economize by cutting unnecessary expenses.
Las familias están tratando de economizar reduciendo gastos innecesarios.
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

indiscriminado
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
El uso indiscriminado de pesticidas daña el medio ambiente.
C1 noun /ˈstætʃuːt/

statute

ley
Meaning
A written law passed by a legislative body.
Example
The new statute protects workers' rights.
La nueva ley protege los derechos de los trabajadores.
C1 verb /ˌmɪsˈriːd/

misread

leer mal
Meaning
to read something incorrectly or interpret wrongly
Example
He misread the instructions and built the shelf incorrectly.
Él leyó mal las instrucciones y construyó la estantería incorrectamente.
C1 adjective /ʌnˈkleɪmd/

Unclaimed

no reclamado; no solicitado; abandonado o sin dueño
Meaning
not claimed by anyone; not demanded or requested; abandoned or ownerless
Example
The unclaimed luggage was stored in the airport's lost property department.
El equipaje no reclamado fue almacenado en el departamento de objetos perdidos del aeropuerto.
C1 adjective /ˈmaɪzərli/

miserly

tacaño
Meaning
Unwilling to spend money; stingy.
Example
She lived a miserly life, refusing to buy anything new.
Vivió una vida tacaña, negándose a comprar algo nuevo.
C1 verb /ræsp/

rasp

hablar de forma áspera o raspar con un sonido grueso
Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
él raspó una advertencia antes de desmayarse.
C1 noun /ˈɔr.i.ənt/

Orient

Oriente, especialmente los países de Asia oriental
Meaning
the East, especially countries of eastern Asia; to determine one's position or direction
Example
Many spices come from the Orient.
Muchas especias vienen del Oriente.
C1 adjective /ˌhaɪ.drəˈpɒn.ɪk/

hydroponic

hidropónico
Meaning
Relating to the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.
Example
Hydroponic farming allows crops to grow without soil.
La agricultura hidropónica permite que los cultivos crezcan sin suelo.
C1 adjective /məˈkɑː.brə/

Macabre

macabro
Meaning
disturbing because concerned with death; gruesome and horrifying
Example
The horror movie had a macabre atmosphere.
La película de terror tenía una atmósfera macabra.
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 verb /dɪsˈkwɑːlɪfaɪ/

disqualify

descalificar
Meaning
to officially prevent someone from participating or being eligible
Example
The referee decided to disqualify the player for cheating.
El árbitro decidió descalificar al jugador por hacer trampa.
C1 noun, verb /bʌldʒ/

bulge

hinchazón / abultamiento
Meaning
A swelling or protruding part; to swell outward or protrude.
Example
The bag began to bulge with too many books inside.
La bolsa comenzó a hincharse con demasiados libros adentro.
C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

sinergizar, combinar de manera que aumente la efectividad.
Meaning
combine in such a way as to enhance effectiveness.
Example
The departments must synergize to improve efficiency.
Los departamentos deben sinergizar para mejorar la eficiencia.
C1 noun ˈmɑːrdʒɪnəlaɪzd ˌɪndɪˈvɪdʒuəlz

marginalized individuals

individuos marginados
Meaning
People who are treated as insignificant or peripheral to society, often excluded from mainstream social, economic, or political activities.
Example
Marginalized individuals often face severe challenges.
Los individuos marginados a menudo enfrentan desafíos graves.
C1 adjective /ˈfeɪl.seɪf/

fail-safe

antifallo
Meaning
designed to prevent failure or accidents; guaranteed to work correctly
Example
The engineers installed a fail-safe mechanism in the nuclear plant.
Los ingenieros instalaron un mecanismo antifallo en la planta nuclear.
C1 noun /ˈblʌdˌbæθ/

bloodbath

baño de sangre
Meaning
an event in which a lot of people are killed or injured, especially in a violent conflict
Example
The war turned into a bloody bloodbath.
La guerra se convirtió en un baño de sangre.
C1 noun /ˈtrɪkəri/

trickery

Meaning
The use of dishonest methods to deceive or cheat someone.
Example
The politician was accused of winning the election through trickery.
C1 noun /fruːˈɡæl.ə.ti/

frugality

frugalidad
Meaning
The quality of being economical in use or expenditure; not wasteful.
Example
Frugality is essential for saving money effectively.
La frugalidad es esencial para ahorrar dinero de manera efectiva.
C1 noun /ɡeɪt/

gait

modo de caminar
Meaning
A person's manner of walking.
Example
His slow gait showed that he was tired.
Su marcha lenta mostró que estaba cansado.
C1 noun /ɪˈlɪpsɪs/

ellipsis

elipsis
Meaning
The omission of words in a sentence, represented by three dots (...).
Example
The writer used an ellipsis to show that part of the quote was omitted.
El escritor utilizó una elipsis para mostrar que se omitió parte de la cita.
C1 adjective /ˈdʒuː.bɪ.lənt/

jubilant

jubiloso
Meaning
feeling or expressing great happiness and joy
Example
The team was jubilant after winning the championship.
El equipo estaba jubiloso después de ganar el campeonato.
C1 adjective /ˈbaʊn.tɪ.fəl/

bountiful

abundante / generoso
Meaning
Large in quantity; abundant; generous in giving.
Example
The farmer was grateful for the bountiful harvest.
El agricultor estaba agradecido por la abundante cosecha.
C1 verb /ˌrɛzəˈrɛkt/

resurrect

resucitar
Meaning
To bring back to life or revive something from the past.
Example
The director decided to resurrect the old play for a new audience.
El director decidió resucitar la obra antigua para una nueva audiencia.
C1 noun /səbˈdʒɛkʃən/

subjection

subyugación
Meaning
the act of bringing someone or something under control or domination
Example
The people suffered under the subjection of a cruel ruler.
El pueblo sufrió bajo la subyugación de un gobernante cruel.
C1 adjective /ˈmaɪ.ɡrə.tɔːr.i/

Migratory

migratorio
Meaning
moving from one place to another; characterized by seasonal movement
Example
Many birds are migratory and travel thousands of miles each season.
Muchos pájaros son migratorios y viajan miles de millas cada temporada.
C1 adjective /ˈhɛdˌstrɔŋ/

headstrong

terco
Meaning
Determined to do what one wants, even if it is not sensible.
Example
The headstrong child refused to listen to anyone.
El niño terco se negó a escuchar a nadie.
C1 verb /dɪˈpoʊz/

depose

deponer
Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
Los rebeldes lograron derrocar al dictador después de años de agitación.
C1 noun prɪˈzɝː.və.tɪv

preservative

conservante
Meaning
A chemical substance that prevents decay, fermentation, or other natural processes that cause food deterioration.
Example
Artificial preservatives are harmful to health.
Los conservantes artificiales son perjudiciales para la salud.
C1 noun /ˌdʒʊə.rɪsˈdɪk.ʃən/

Jurisdiction

jurisdicción
Meaning
the official power to make legal decisions and judgments; the extent of this power
Example
This case falls under the jurisdiction of the federal court.
Este caso está bajo la jurisdicción del tribunal federal.
C1 noun kənˈfɔː.mə.ti

conformity

conformidad, obediencia, cumplimiento
Meaning
Compliance with standards, rules, or laws. Behavior in accordance with socially accepted conventions.
Example
Strict conformity to the rules ensures order in society.
La estricta conformidad con las reglas asegura el orden en la sociedad.
C1 noun /ˈpraɪməsi/

primacy

primacía
Meaning
the state of being first in importance or authority
Example
The primacy of education cannot be denied.
La primacía de la educación no puede ser negada.
C1 noun /ˈtrɪlədʒi/

trilogy

trilogía
Meaning
a set of three related works, usually books or films, that form a connected story
Example
The director finally released the third film to complete the sci-fi trilogy.
El director finalmente lanzó la tercera película para completar la trilogía de ciencia ficción.
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 noun/verb /fliːs/

fleece

lana de oveja
Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
El granjero esquiló el vellón de la oveja cuidadosamente.
C1 adjective /ˈrɔːkəs/

raucous

ruidoso, estridente
Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
La multitud se volvió ruidosa después de que el equipo anotó.
C1 noun /ˈtaɪ.ɡrəs/

Tigress

tigresa
Meaning
an adult female tiger
Example
The powerful tigress hunted silently through the jungle.
La poderosa tigresa cazó silenciosamente a través de la jungla.
C1 adjective /fəˈnætɪk/

Fanatic

fanático
Meaning
extremely passionate about something; showing excessive enthusiasm or devotion
Example
He is a fanatic supporter of his football team.
Él es un fanático seguidor de su equipo de fútbol.
C1 noun /ˈpɜːrpɪtreɪtər/

perpetrator

delincuente
Meaning
a person who commits a harmful, illegal, or immoral act
Example
The police arrested the perpetrator of the crime.
La policía arrestó al delincuente del crimen.
C1 adjective /əˈbreɪsɪv/

abrasive

áspero, rugoso o capaz de desgastar por frotamiento
Meaning
harsh, rough, or capable of wearing down by rubbing
Example
His abrasive tone made everyone uncomfortable.
Su tono áspero hizo que todos se sintieran incómodos.
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 adverb /ˌðɛrəˈbaʊt/

thereabout

aproximadamente
Meaning
Approximately or around that place, amount, or time.
Example
The repairs will cost five hundred dollars or thereabout.
Las reparaciones costarán quinientos dólares o alrededor de eso.
C1 noun /kɒzˈmɒlədʒi/

cosmology

cosmología
Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
Estudió cosmología para entender los orígenes del universo.
C1 noun /ˈfɛtɪʃ/

fetish

devoción excesiva o irracional
Meaning
an excessive or irrational devotion to something
Example
He has a fetish for collecting rare stamps.
Él tiene una fijación por coleccionar sellos raros.
C1 verb /ˈfɜːrmɛnt/

ferment

someterse a un proceso químico donde los azúcares se convierten en alcohol o ácido; incitar o agitar el cambio
Meaning
to undergo a chemical process where sugars are converted to alcohol or acid; to incite or stir up change
Example
The grapes are left to ferment for several weeks.
Las uvas se dejan fermentar durante varias semanas.
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

nanotecnología
Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
La nanotecnología está avanzando en los tratamientos médicos.
C1 verb /ˌʌndərˈlaɪ/

underlie

subyacer
Meaning
to be the hidden cause or basis of something
Example
Strong cultural traditions underlie the community's practices.
Las fuertes tradiciones culturales subyacen a las prácticas de la comunidad.
C1 noun /dɪˈspɜːrʒən/

dispersion

dispersión
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
La dispersión de semillas por el viento ayuda a las plantas a reproducirse.
C1 verb /ˈiːvzdrɒp/

eavesdrop

escuchar a escondidas
Meaning
to secretly listen to a conversation
Example
She stood near the door to eavesdrop on their conversation.
Ella estaba cerca de la puerta para escuchar a escondidas su conversación.
C1 adjective /ˈdɪn.dʒi/

Dingy

sucio y sombrío; de color apagado
Meaning
dark and dirty; gloomy; dull in color
Example
The old building had dingy walls that needed painting.
El viejo edificio tenía paredes sucias que necesitaban pintura.
C1 adjective /prɪm/

prim

excesivamente formal o correcto
Meaning
stiffly formal and proper in appearance or behavior
Example
She looked prim in her neatly pressed dress.
Ella se veía prim en su vestido bien planchado.
C1 adjective /ʌnˈtʌtʃəbəl/

Untouchable

intocable; más allá de la crítica o el ataque
Meaning
not able to be touched or affected; beyond criticism or attack
Example
The CEO seemed untouchable despite the scandal.
El CEO parecía intocable a pesar del escándalo.
C1 noun/verb /ˈkætəpʌlt/

catapult

catapulta / dispositivo para lanzar
Meaning
A device for launching objects at high speed; to hurl or launch something suddenly.
Example
The invention catapulted him to international fame.
La invención lo catapultó a la fama internacional.
C1 noun /ˈæpərtʃər/

aperture

abertura / agujero
Meaning
an opening, hole, or gap, especially one that lets in light
Example
Light entered through the small aperture in the wall.
La luz entró a través de la pequeña abertura en la pared.
C1 noun /əˈtoʊnmənt/

atonement

expiación
Meaning
the act of making amends for a wrong, sin, or injury
Example
The festival was celebrated as a day of atonement.
El festival fue celebrado como un día de expiación.
C1 noun /ədˈhɪərənt/

adherent

seguidor
Meaning
a person who supports or follows a particular belief, cause, or leader
Example
He is a strong adherent of democratic values.
Él es un fuerte seguidor de los valores democráticos.
C1 noun /ɡluːm/

Gloom

oscuridad; tristeza; melancolía
Meaning
partial or total darkness; a state of dejection or despondency
Example
The thick clouds cast a gloom over the valley, making everything appear dark and dreary.
Las nubes gruesas arrojaron una oscuridad sobre el valle, haciendo que todo pareciera oscuro y sombrío.
C1 noun /kəmˈpəʊ.ʒər/

composure

estado de calma y autocontrol
Meaning
The state or feeling of being calm and in control of oneself.
Example
She maintained her composure during the interview.
Ella mantuvo su compostura durante la entrevista.
C1 noun /ˈtɪrəni/

tyranny

tiranía
Meaning
Cruel and oppressive government or rule by a tyrant.
Example
The people revolted against the tyranny of their ruler.
La gente se rebeló contra la tiranía de su gobernante.
C1 verb /ˈæmpjʊteɪt/

amputate

amputar
Meaning
to cut off a limb from the body by surgery
Example
The doctors had to amputate his leg after the accident.
Los médicos tuvieron que amputar su pierna después del accidente.
C1 verb /ɪnˈhɪbɪt/

inhibit

inhibir
Meaning
to prevent or restrain someone or something from acting freely; to hinder
Example
Fear can inhibit personal growth.
El miedo puede inhibir el crecimiento personal.
C1 verb /ˈæn.ə.teɪt/

annotate

añadir notas o comentarios
Meaning
to add notes or comments to a text, diagram, or document for explanation or clarification
Example
The teacher asked the students to annotate the poem with their interpretations.
El maestro pidió a los estudiantes que anotaran el poema con sus interpretaciones.
C1 noun kɒɡˈnɪʃ.ən

cognition

cognición
Meaning
The mental action or process of acquiring knowledge and understanding through thought, experience, and the senses.
Example
Cognition plays a key role in learning.
La cognición juega un papel clave en el aprendizaje.
C1 noun dʒəˈnɛt.ɪk ˌmɒd.ɪ.fɪˈkeɪ.ʃən

genetic modification

modificación genética
Meaning
The process of altering the genetic code of plants or animals.
Example
Genetic modification enhances crop resistance to pests and diseases.
La modificación genética mejora la resistencia de los cultivos a plagas y enfermedades.
C1 adjective /ˈspraɪtli/

sprightly

vivaz
Meaning
full of energy and life; lively
Example
The sprightly old man danced with joy at the wedding.
El hombre vivaz bailó con alegría en la boda.
C1 adjective/noun /fəˈrɛns.ɪk/

forensic

Análisis científico aplicado a asuntos criminales o legales
Meaning
Scientific analysis applied to criminal or legal matters
Example
Forensic experts analyze cybercrimes using advanced tools.
Los expertos forenses analizan los delitos cibernéticos utilizando herramientas avanzadas.
C1 verb /ɪnˈɡroʊs/

engross

absorto
Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
Ella estaba tan absorbida en el libro que olvidó la hora.
C1 adjective /ɪˈnɜːrt/

inert

inactivo
Meaning
lacking the ability or strength to move or act; chemically inactive
Example
The patient remained inert on the bed.
El paciente permaneció inactivo en la cama.
C1 adjective /ʌnˈdɔːntɪd/

Undaunted

Intrépido; valiente; inquebrantable;
Meaning
not intimidated or discouraged by difficulty, danger, or disappointment
Example
Despite the setbacks, she remained undaunted in pursuing her goals.
A pesar de los contratiempos, ella permaneció intrépida en la persecución de sus objetivos.
C1 noun /ˈnoʊmæd/

nomad

nómada
Meaning
A person who has no permanent home and moves from place to place.
Example
The desert was once home to nomads who lived by herding animals.
El desierto fue una vez hogar de los nómadas que vivían pastoreando animales.
C1 noun /ɡeɪl/

Gale

tormenta; viento fuerte de 7 a 10 en la escala de Beaufort
Meaning
a very strong wind; a wind of force 7 to 10 on the Beaufort scale
Example
The fishing boats returned to harbor early due to the approaching gale.
Los botes de pesca regresaron al puerto temprano debido a la tormenta que se acercaba.
C1 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

subsidio
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
La subsidización de la agricultura ayuda a los agricultores a mantener la producción de cultivos.
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 /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 noun /ˈstoʊəˌweɪ/

stowaway

polizón
Meaning
A person who hides on a ship, plane, or other vehicle in order to travel secretly without paying.
Example
The crew discovered a stowaway hiding in the cargo hold.
La tripulación descubrió un polizón escondido en el compartimento de carga.
C1 adjective /bɪˈrɛft/

bereft

despojado
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
Después de la traición, se sintió despojado de esperanza y confianza.
C1 noun /ɡruːv/

groove

hendidura / ritmo
Meaning
a long narrow cut or depression, or a rhythmic pattern in music
Example
The DJ kept the crowd dancing to the groove.
El DJ mantuvo a la multitud bailando al ritmo.
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 verb /ˈkʌn.dʒər/

conjure

conjurar
Meaning
to summon something as if by magic; to imagine vividly
Example
The magician conjured a rabbit out of the hat.
El mago conjuró un conejo de su sombrero.
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

autocontrol
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
Practicar el autocontrol ayuda a evitar decisiones impulsivas.
C1 verb /priːˈɛmpt/

preempt

prevenir
Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
El gobierno actuó rápidamente para prevenir una crisis financiera.
C1 noun /ɪnˈdɪɡ.nə.ti/

Indignity

indignidad; humillación; deshonra;
Meaning
treatment or circumstances that cause one to feel shame or loss of dignity; humiliation
Example
She refused to suffer the indignity of being searched without proper cause.
Ella se negó a sufrir la indignidad de ser registrada sin causa justificada.
C1 verb /ˈtɒpl/

topple

caer
Meaning
to fall or cause to fall over; to overthrow
Example
The earthquake caused the old building to topple.
El terremoto causó que el viejo edificio se cayera.
C1 verb /dɪsˈlɒdʒ/

dislodge

desalojar
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
Las tropas desalojaron al enemigo de la colina.
C1 noun /ɑːrˈmɑːdə/

armada

flota de guerra
Meaning
A large fleet of warships.
Example
The Spanish Armada sailed against England in 1588.
La Armada Española navegó contra Inglaterra en 1588.
C1 noun /ˈfræk.tʃər/

Fracture

fractura; rotura de hueso
Meaning
the cracking or breaking of a hard object or material; a break in a bone
Example
The doctor confirmed that he had a hairline fracture in his wrist.
El doctor confirmó que tenía una fractura en la muñeca.
C1 noun /ˈef.ɪ.dʒi/

Effigy

efigie; figura de protesta
Meaning
a sculpture or model of a person, especially one made as a protest
Example
The protesters burned an effigy of the corrupt politician in the square.
Los manifestantes quemaron una efigie del político corrupto en la plaza.
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 adjective ˌprɒb.ə.bɪˈlɪs.tɪk

probabilistic

basado en probabilidad
Meaning
Based on probability; involving chance or statistical likelihood.
Example
The model follows a probabilistic approach to predictions.
El modelo sigue un enfoque probabilístico para las predicciones.
C1 noun /ˌʌnprɪˈdɪktəˌbɪləti/

unpredictability

imprevisibilidad
Meaning
The quality of being impossible to predict or anticipate.
Example
The unpredictability of the weather made the trip uncertain.
La imprevisibilidad del clima hizo que el viaje fuera incierto.
C1 noun /næk/

knack

habilidad
Meaning
a natural skill or ability; a special talent for doing something easily
Example
She has a knack for making people feel comfortable.
Ella tiene una habilidad para hacer que las personas se sientan cómodas.
C1 verb /əˈdʒɜrn/

adjourn

suspender
Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
El juez decidió suspender la audiencia hasta la próxima semana.
C1 noun /ˈkɒn.vɔɪ/

convoy

convoy
Meaning
a group of vehicles or ships traveling together, often for protection
Example
The military convoy moved through the desert at dawn.
El convoy militar atravesó el desierto al amanecer.
C1 noun /ænˈtɪθəsɪs/

antithesis

antítesis
Meaning
A person, thing, or idea that is the direct opposite of another; a rhetorical device contrasting opposing ideas in parallel structure.
Example
Love is the antithesis of hate.
El amor es la antítesis del odio.
C1 noun ˈaʊt.sɔːr.sɪŋ

outsourcing

externalización
Meaning
The practice of having certain job functions done outside a company instead of having an in-house department or employee handle them.
Example
Many companies use outsourcing to reduce labor costs.
Muchas empresas utilizan la externalización para reducir los costos laborales.
C1 noun /ˈwiː.vər bɜːd/

Weaver bird

pájaro tejedor
Meaning
a small bird that builds elaborate woven nests from grass and twigs
Example
The weaver bird skillfully constructs its intricate nest.
El pájaro tejedor construye hábilmente su nido intrincado
C1 adjective + noun ʌnˈpresɪdentɪd ˈnɒlɪdʒ

unprecedented knowledge

conocimiento sin precedentes
Meaning
Information or understanding that has never been obtained or achieved before.
Example
Artemis will provide unprecedented knowledge about the solar system.
Artemis proporcionará un conocimiento sin precedentes sobre el sistema solar.
C1 adjective /ˈsʌlən/

sullen

gruñón
Meaning
bad-tempered and gloomy; silently resentful
Example
She gave him a sullen look and walked away.
Ella le dio una mirada gruñona y se fue.
C1 adjective /pəˈnʌltɪmət/

penultimate

penúltimo
Meaning
second to the last in a sequence or series
Example
She finished the penultimate chapter before going to sleep.
Ella terminó el penúltimo capítulo antes de irse a dormir.
C1 noun /ˈpraɪ.meɪt/

primate

primate, animal de la familia de los monos
Meaning
A member of the group of animals including humans, apes, and monkeys.
Example
Humans are classified as primates.
Los humanos están clasificados como primates.
C1 noun /ˌɪm.pəˈzɪʃ.ən/

Imposition

imposición; carga; demanda injusta
Meaning
the action or process of imposing something or of being imposed; an unfair burden or demand
Example
The imposition of new taxes without consultation angered the citizens greatly.
La imposición de nuevos impuestos sin consulta enfureció enormemente a los ciudadanos.
C1 adjective /ˈskɪtɪʃ/

skittish

nervioso
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
El caballo estaba demasiado nervioso para montar.
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 verb /əˈtjuːn/

attune

sintonizar
Meaning
to make someone or something aware of or responsive to something; to adjust or harmonize
Example
She quickly attuned herself to the needs of her new team.
Ella se sintonizó rápidamente con las necesidades de su nuevo equipo.
C1 adverb /ˈiːstwədz/

Eastwards

hacia el este
Meaning
towards the east; in an eastern direction
Example
The river flows eastwards into the ocean.
El río fluye hacia el este hacia el océano.
C1 adjective /kənˈstreɪnd/

constrained

limitado, forzado
Meaning
appearing forced, unnatural, or restricted
Example
He gave a constrained smile during the awkward meeting.
Él dio una sonrisa forzada durante la reunión incómoda.
C1 noun /ˌɪnɪkˈspɪəriəns/

inexperience

inexperiencia
Meaning
Lack of knowledge or skill in a particular activity or field.
Example
His inexperience in handling negotiations was evident.
Su inexperiencia en las negociaciones era evidente.
C1 noun /kənˈkʌrəns/

concurrence

concurrencia
Meaning
Agreement or union in action, opinion, or occurrence; simultaneous happening of events.
Example
The project was completed with the concurrence of all departments.
El proyecto se completó con la concurrencia de todos los departamentos.
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 /hɪˈstɪəriə/

hysteria

histeria
Meaning
An uncontrollable outburst of emotion or fear, often characterized by irrational behavior.
Example
The crowd was in a state of hysteria during the concert.
La multitud estaba en un estado de histeria durante el concierto.
C1 noun /ˈfeɪvərɪtɪzəm/

favoritism

favoritismo
Meaning
the practice of giving unfair preferential treatment to one person or group
Example
The manager was accused of favoritism towards certain employees.
El gerente fue acusado de favoritismo hacia ciertos empleados.
C1 verb /dɪˈfeɪm/

defame

difamar
Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
Él fue difamado por rumores maliciosos.
C1 verb /ˌʌn.dəˈtʃɑːrdʒ/

undercharge

cobrar menos
Meaning
To charge less than the correct or fair amount.
Example
The shopkeeper accidentally undercharged me for the groceries.
El tendero accidentalmente me cobró menos por las compras.
C1 noun /kənˈsiːt/

conceit

vanidad
Meaning
excessive pride in oneself; vanity
Example
His conceit made him unpopular among his colleagues.
Su vanidad lo hizo impopular entre sus compañeros.
C1 noun /ˈlɔː.meɪ.kər/

Lawmaker

legislador
Meaning
a person who writes and passes laws, especially a member of a legislative body
Example
The lawmakers voted on the new education bill.
Los legisladores votaron sobre el nuevo proyecto de ley educativa.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

antecedente
Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
Los antecedentes culturales de este festival datan de siglos atrás.
C1 noun ˌkɒm.pjʊˈteɪ.ʃən

computation

cálculo
Meaning
The action of mathematical calculation.
Example
Complex computation is required for AI models.
Se requiere un cálculo complejo para los modelos de IA.
C1 noun /ˌfəʊtəʊˈsɪnθɛtɪk ɪˈfɪʃənsi/

photosynthetic efficiency

eficiencia fotosintética
Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
Mejorar la eficiencia fotosintética puede aumentar los rendimientos de los cultivos.