lunatic
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 noun/adjective /ˈluː.nə.tɪk/

lunatic

lunático
Meaning
A person who is insane or acting in a foolish or reckless way; also used as an adjective meaning insane.
Example
The driver was driving like a lunatic on the highway.
El conductor estaba conduciendo como un lunático en la autopista.
A2 noun /ˈneɪbər/

neighbor

vecino
Meaning
a person living next door or nearby
Example
My neighbor lent me some sugar when I ran out.
Mi vecino me prestó algo de azúcar cuando me quedé sin.
A2 noun /piːs/

peace

paz
Meaning
a state of tranquility or quiet, freedom from disturbance
Example
They hope for peace in the region.
Ellos esperan paz en la región.
B2 adverb /ˈsoʊlli/

solely

únicamente
Meaning
only; not involving anyone or anything else
Example
He is solely responsible for the decision.
Él es completamente responsable de la decisión.
C1 adjective /ˈsʌbstəntɪv/

substantive

importante
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
La compañía hizo cambios importantes en su política.
A2 noun /streŋθ/

Strength

fuerza; potencia; fuerza física
Meaning
the quality or state of being physically strong; power or force
Example
Regular exercise helps build muscle strength.
El ejercicio regular ayuda a desarrollar la fuerza muscular.
C1 noun /ˈmɜːrsəˌnɛri/

mercenary

mercenario
Meaning
a professional soldier hired to serve in a foreign army; also used to describe someone motivated solely by money.
Example
The mercenary fought for whoever paid the highest wage.
El mercenario luchó por quien pagó el salario más alto.
A2 adverb /əˈbrɔːd/

Abroad

en el extranjero
Meaning
in or to a foreign country
Example
She decided to study abroad for a year.
Ella decidió estudiar en el extranjero durante un año.
B2 adjective /ˈfɛdərəl/

federal

federal
Meaning
Relating to the central government of a federation.
Example
The federal government passed a new law on healthcare.
El gobierno federal aprobó una nueva ley sobre atención sanitaria.
C1 noun /ˈeɪ.peks/

apex

ápice, cumbre, pico más alto
Meaning
The highest point or peak of something; the top or summit.
Example
He reached the apex of his career.
Él alcanzó el ápice de su carrera.
C1 verb /ɪnˈreɪdʒ/

enrage

enfurecer
Meaning
To make someone extremely angry.
Example
His unfair remarks enraged the audience.
Sus comentarios injustos enfurecieron a la audiencia.
B2 noun /əˈpoʊ.nənt/

Opponent

oponente; rival
Meaning
a person who disagrees with or resists a proposal or practice; someone who competes against another
Example
The chess player defeated his strongest opponent.
El jugador de ajedrez derrotó a su oponente más fuerte.
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

irreconciliable
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
La pareja se separó debido a diferencias irreconciliables.
C2 noun /ˈtaɪroʊ/

tyro

principiante
Meaning
A beginner or novice in a field or activity.
Example
As a tyro in programming, she needed constant guidance.
Como principiante en programación, necesitaba orientación constante.
A1 conjunction /bɪˈkɔːz/

because

porque
Meaning
for the reason that; since
Example
He stayed home because it was raining.
Se quedó en casa porque estaba lloviendo.
C1 noun /ɪˈvændʒəlɪst/

evangelist

evangelista
Meaning
A person who seeks to convert others to the Christian faith, especially by public preaching.
Example
The evangelist traveled across the country spreading his message.
El evangelista viajó por todo el país difundiendo su mensaje.
A2 noun /ˈkælɪndər/

calendar

calendario
Meaning
a system for organizing days, months, and years; a chart showing days of the year
Example
She marked her birthday on the calendar.
Ella marcó su cumpleaños en el calendario.
C1 verb /ˈpʌməl/

pummel

aporrear
Meaning
To strike repeatedly with the fists; to beat or hit forcefully.
Example
The boxer pummeled his opponent in the final round.
El boxeador aporreó a su oponente en la ronda final.
C1 noun /ˈpɛs.tɪ.saɪd ˈrɛz.ɪ.djuː/

pesticide-residue

residuos de pesticidas
Meaning
Chemical remnants left over from pesticides used on crops or in soil.
Example
Excess pesticide-residue in food can be harmful to health.
El exceso de residuos de pesticidas en los alimentos puede ser perjudicial para la salud.
C1 verb /rɪˈpʌls/

repulse

repeler / provocar desagrado
Meaning
to drive back an attack or attacker by force; to cause intense dislike or disgust
Example
The army managed to repulse the enemy attack.
El ejército logró repeler el ataque enemigo.
C1 verb /ˌriː.kənˈviːn/

reconvene

reunirse de nuevo
Meaning
to gather or assemble again, especially for a meeting
Example
The committee will reconvene after lunch.
El comité se reunirá después del almuerzo.
B2 noun /təˈreɪn/

terrain

terreno
Meaning
a stretch of land, especially with regard to its physical features
Example
The soldiers had to cross rough terrain during the mission.
Los soldados tuvieron que cruzar un terreno difícil durante la misión.
B2 adjective /hɑːrʃ/

Harsh

duro; áspero; cruel; severo
Meaning
unpleasantly hard or rough in texture; cruel or severe
Example
The teacher gave harsh criticism about my work.
La maestra dio críticas duras sobre mi trabajo.
C1 noun /ˈɛmbləm/

emblem

emblema
Meaning
A symbolic object, design, or figure representing an idea, group, or identity.
Example
The dove is an emblem of peace.
La paloma es un emblema de paz.
C2 adjective /ˈɪnfəntaɪl/

infantile

infantil
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
Su comportamiento infantil avergonzó a todos en la reunión.
C2 verb /ˈbraʊˌbiːt/

browbeat

intimidar / coaccionar
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
El abogado intentó intimidar al testigo.
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

ambigüedad, vaguedad
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
La ambigüedad de la declaración causó confusión en el equipo.
B2 noun /ɪnˈkluːʒən/

inclusion

inclusión
Meaning
the action or state of including or being included within a group or structure
Example
Diversity and inclusion are key values in modern workplaces.
La diversidad y la inclusión son valores clave en los lugares de trabajo modernos.
B2 noun dɪˈplɔɪmənt

deployment

despliegue
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
El despliegue del nuevo software se completó con éxito.
C2 noun /ˈprɑːflɪɡəsi/

profligacy

derroche
Meaning
reckless wastefulness or extravagance
Example
His profligacy with money led him to bankruptcy.
Su derroche de dinero lo llevó a la bancarrota.
C1 adjective /ˈstoʊɪk/

stoic

estoico, imperturbable
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
Ella permaneció estoica durante la crisis, sin mostrar miedo ni pánico.
A2 modal verb /ʃæl/

shall

deber
Meaning
used to express the future or indicate an intention or determination
Example
I shall return before sunset.
Volveré antes del atardecer.
B2 noun ˈɡaɪd.laɪnz

guidelines

directrices
Meaning
Rules or instructions that are given by an official organization telling you how to do something
Example
Guidelines for AI usage are essential.
Las pautas para el uso de la IA son esenciales.
C1 noun, verb /strænd/

strand

hilo / varado
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
La tormenta dejó a muchos turistas varados en la isla.
C1 adjective /ɪmˈplɔːzəbl/

implausible

implausible
Meaning
Not seeming reasonable or probable; unlikely to be true.
Example
The story she told was so implausible that no one believed her.
La historia que ella contó era tan implausible que nadie le creyó.
C2 noun /ˈɡrændɪləkwəns/

grandiloquence

lenguaje pomposo
Meaning
Pompous or extravagant language, style, or manner, often intended to impress
Example
The politician’s speech was full of empty grandiloquence.
El discurso del político estaba lleno de lenguaje pomposo y vacío.
C2 verb /ˈseɪʃiˌeɪt/

satiate

saciar
Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
La gran comida sació su hambre.
C1 verb /ɪnˈsaɪt/

incite

incitar
Meaning
to provoke; to stir up
Example
His speech incited the crowd to violence.
Su discurso incitó a la multitud a la violencia.
B2 verb /kreɪv/

crave

desear intensamente, ansiar
Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
Ella anhela aventura y a menudo viaja a lugares remotos.
A2 noun /vəˈkæbjʊləri/

vocabulary

vocabulario
Meaning
the set of words known and used by a person, group, or language; the words used in a particular field or subject
Example
Reading every day helps improve your vocabulary.
Leer todos los días ayuda a mejorar tu vocabulario.
A1 preposition/adverb/conjunction /bɪˈfɔːr/

before

antes
Meaning
At an earlier time; in front of in order or place.
Example
She arrived before the meeting started.
Ella llegó antes de que comenzara la reunión.
C1 adjective /ˌʌndərˈsaɪzd/

undersized

de tamaño pequeño
Meaning
Smaller than the usual or expected size.
Example
The undersized puppy struggled to keep up with its siblings.
El perrito de tamaño pequeño luchaba por mantenerse al día con sus hermanos.
A2 noun /ˈfæʃ.ən/

fashion

moda
Meaning
a popular or accepted style of clothing, behavior, or way of doing something
Example
She always keeps up with the latest fashion.
Ella siempre sigue la última moda.
B2 adjective, verb /ˈnoʊtɪd/

noted

reconocido
Meaning
well known or famous; written down or observed
Example
He is a noted author in the field of history.
Él es un autor reconocido en el campo de la historia.
C2 noun /sʌbˈɔːl.tən/

subaltern

persona en una posición subordinada; en el ejército, un oficial joven
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
El subalterno era responsable de dirigir un pequeño pelotón de soldados.
C1 verb /aʊtˈlæst/

outlast

perdurar más tiempo que
Meaning
to continue longer than; to endure beyond someone or something else
Example
The old castle has outlasted many generations.
El viejo castillo ha perdurado más que muchas generaciones.
C2 noun /ˈrɛv.ər.i/

reverie

soñar despierto; ensoñación
Meaning
A state of being pleasantly lost in one's thoughts; a daydream.
Example
Lost in reverie, he didn't hear his name being called.
Perdido en la ensoñación, no oyó que llamaban su nombre.
C1 verb /ˈfɛdərət/

federate

federar
Meaning
to unite in a league or federation; to form an alliance
Example
Several states federated to create a stronger union.
Varios estados se federaron para crear una unión más fuerte.
C1 adjective /ˌæl.ɡəˈrɪð.mɪk/

algorithmic

basado en algoritmos
Meaning
Based on or using algorithms; relating to mathematical rules or procedures.
Example
Algorithmic processes power artificial intelligence systems.
Los procesos algorítmicos impulsan los sistemas de inteligencia artificial.
C1 adjective /ˌɛvərˈlæstɪŋ/

everlasting

eterno
Meaning
Lasting forever or for an indefinitely long time.
Example
The poet wrote about his everlasting love for nature.
El poeta escribió sobre su amor eterno por la naturaleza.
C2 noun /ˈpɑːrləns/

parlance

lenguaje específico
Meaning
a particular way of speaking or using words, common to a group
Example
In legal parlance, the term has a different meaning.
En el lenguaje legal, el término tiene un significado diferente.
C2 noun /ˈbroʊɡən/

brogan

zapato pesado
Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
El granjero llevaba viejos brogans mientras trabajaba en el campo.
B2 noun /ˌɔː.θɛnˈtɪs.ə.ti/

authenticity

autenticidad
Meaning
The quality of being authentic; genuineness or truthfulness.
Example
The authenticity of the document was verified.
La autenticidad del documento fue verificada.
B2 noun /wɔːmθ/

warmth

calor
Meaning
the quality or state of being warm in temperature or feeling
Example
She felt the warmth of the sun on her face.
Ella sintió el calor del sol en su rostro.
C1 noun /æmˈniːʒə/

amnesia

amnesia
Meaning
A partial or total loss of memory, usually caused by injury, illness, or psychological trauma.
Example
After the accident, she suffered from amnesia and could not remember her own name.
Después del accidente, sufrió de amnesia y no pudo recordar su propio nombre.
A1 adjective /bæd/

bad

malo
Meaning
not good; unpleasant, harmful, or of poor quality
Example
The milk smells bad, so don’t drink it.
La leche huele mal, así que no la bebas.
C1 noun /ˈjuːnɪsən/

unison

al unísono
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
El coro cantó al unísono.
A2 adjective /ˈdeɪndʒərəs/

dangerous

peligroso
Meaning
likely to cause harm or injury; unsafe
Example
Driving fast on icy roads is dangerous.
Conducir rápido por carreteras heladas es peligroso.
C2 verb, noun /ˈkweɪvər/

quaver

temblar
Meaning
To shake or tremble in speaking, typically through nervousness or emotion.
Example
Her voice quavered as she spoke before the crowd.
Su voz temblaba mientras hablaba frente a la multitud.
B1 adjective /ʌnˈnesəseri/

Unnecessary

innecesario; innecesario
Meaning
not needed; not required; pointless
Example
The meeting was unnecessary since all decisions were already made.
La reunión fue innecesaria ya que todas las decisiones ya se habían tomado.
B1 verb /dɪˈvɛləpɪŋ/

developing

desarrollando
Meaning
the process of growing, improving, or becoming more advanced
Example
She is developing new skills in programming.
Ella está desarrollando nuevas habilidades en programación.
B2 noun daɪˈlem.ə

dilemma

dilema, conflicto difícil
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
Ella enfrentó un dilema moral en el trabajo.
B1 verb /kənˈvɜːrt/

convert

convertir
Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
Podemos convertir esta habitación en una oficina.
C2 adjective /ˈæsənənt/

assonant

asonante
Meaning
Having or characterized by assonance; repeating similar vowel sounds.
Example
The poem is filled with assonant words that create a musical rhythm.
El poema está lleno de palabras asonantes que crean un ritmo musical.
C2 verb /ˌɡeɪnˈseɪ/

gainsay

negar
Meaning
To deny, contradict, or speak against.
Example
No one could gainsay the evidence presented in court.
Nadie pudo negar las pruebas presentadas en el tribunal.
C2 adjective /ˌpjuːsɪˈlænɪməs/

pusillanimous

pusilánime
Meaning
showing a lack of courage or determination; timid
Example
The pusillanimous leader avoided making tough decisions.
El líder pusilánime evitaba tomar decisiones difíciles.
A2 noun /taɪər/

tire

llanta
Meaning
a rubber covering around a wheel
Example
The car’s tire burst on the highway.
La llanta del coche explotó en la carretera.
C2 adjective /ˈtæsɪtɜrn/

taciturn

taciturno
Meaning
reserved or uncommunicative in speech; saying little
Example
He was a taciturn man who rarely spoke in meetings.
Era un hombre taciturno que rara vez hablaba en las reuniones.
B1 adjective /kənˈviː.ni.ənt/

Convenient

conveniente; adecuado; práctico;
Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
El nuevo centro comercial es muy conveniente para nuestra familia.
C2 adjective /ʌnˈɡeɪnli/

ungainly

torpe
Meaning
Awkward, clumsy, or lacking grace in movement or appearance.
Example
The tall boy moved in an ungainly manner.
El chico alto se movió de manera torpe.
C1 noun /ˈiːɡətɪst/

egotist

ególatra
Meaning
A person who is excessively self-centered or talks too much about themselves.
Example
The egotist dominated the conversation by talking only about his own achievements.
El ególatra dominó la conversación hablando solo de sus propios logros.
A2 noun /ˈseɪf.ti/

Safety

seguridad
Meaning
condition of being protected from danger, risk, or injury
Example
The company prioritizes workplace safety above all else.
La empresa prioriza la seguridad en el lugar de trabajo por encima de todo.
C1 adjective /bəˈnɑːl/ or /ˈbeɪnəl/

banal

común
Meaning
Lacking originality; boringly obvious and commonplace.
Example
His speech was full of banal clichés.
Su discurso estaba lleno de clichés comunes.
C2 verb /bɪlk/

bilk

engañar
Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
El estafador intentó engañar a las personas mayores y robarles sus ahorros.
C1 adjective /ˈɪnsjələr/

insular

limitado, relacionado con una isla
Meaning
Narrow-minded, isolated, or relating to an island.
Example
The community was criticized for its insular attitudes toward outsiders.
La comunidad fue criticada por sus actitudes insulares hacia los forasteros.
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.
B1 noun kəˈmɪt.i

committee

comité
Meaning
A group of people appointed for a specific function by a larger group.
Example
A 65-member committee was formed.
Se formó un comité de 65 miembros.
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.
B2 noun /səˈplaɪə(r)/

supplier

proveedor
Meaning
a person or company that provides goods or services
Example
The supplier delivered the products on time.
El proveedor entregó los productos a tiempo.
C2 noun /ˌpriːpəˈzɛʃən/

prepossession

prejuicio
Meaning
An opinion or feeling formed beforehand; a prejudice or preoccupation.
Example
His prepossession in favor of tradition made him resist change.
Su prejuicio a favor de la tradición lo hizo resistir al cambio.
C2 verb /ʌnˈfɛtər/

unfetter

desatar
Meaning
to release from restraint or restriction; to free
Example
The new law will unfetter small businesses from excessive regulations.
La nueva ley liberará a las pequeñas empresas de regulaciones excesivas.
A1 noun /kiː/

Key

llave
Meaning
a small piece of shaped metal used to operate a lock; something that provides a means of access
Example
She lost her house key and couldn't get inside until the locksmith arrived.
Ella perdió su llave de casa y no pudo entrar hasta que llegó el cerrajero.
B2 noun /ˈæltɪtuːd/

altitude

altitud
Meaning
the height of an object or point in relation to sea level or ground level
Example
The airplane is flying at an altitude of 30,000 feet.
El avión vuela a una altitud de 30,000 pies.
B2 noun /ˈkaʊn.səl.ər/

counselor

asesor
Meaning
a person trained to give guidance on personal, social, or psychological problems
Example
The school counselor helped the student deal with stress.
El consejero escolar ayudó al estudiante a lidiar con el estrés.
C2 adjective /ˈwiːk niːd/

weak-kneed

débil
Meaning
Lacking determination or courage; easily frightened or yielding.
Example
The leader was criticized for being weak-kneed in the face of opposition.
El líder fue criticado por ser débil ante la oposición.
C2 verb /ˈlaɪ.ə.naɪz/

lionize

idolatrar
Meaning
to treat someone as a celebrity or give a lot of public attention
Example
The press began to lionize the young scientist after his discovery.
La prensa comenzó a lionizar al joven científico después de su descubrimiento.
B1 noun /ˈkɒnsɪkwənsɪz/

consequences

consecuencias
Meaning
Results or effects of an action or condition.
Example
The consequences of ignoring safety protocols can be severe.
Las consecuencias de ignorar los protocolos de seguridad pueden ser graves.
C1 noun əˈniː.mi.ə

anemia

anemia
Meaning
A condition in which there is a deficiency of red blood cells or hemoglobin in the blood.
Example
Genetic therapy addresses anemia effectively.
La terapia genética trata la anemia de manera efectiva.
B1 noun ɪˈnɪʃətɪv

initiative

iniciativa
Meaning
An act or strategy intended to resolve a difficulty or improve a situation; a fresh approach to something.
Example
NASA's initiative to return humans to the Moon is ambitious.
La iniciativa de la NASA para devolver a los humanos a la Luna es ambiciosa.
C2 noun /ˈhæk.ni ˈkær.ɪdʒ/

Hackney carriage

coche de alquiler
Meaning
A taxi; a car licensed to carry passengers for hire
Example
I called a hackney carriage to get to the airport.
Llamé a un coche de alquiler para llegar al aeropuerto.
C1 adjective /ˌruː.dɪˈmen.tər.i/

Rudimentary

básico; elemental; subdesarrollado; en la etapa más temprana del desarrollo
Meaning
basic; elementary; undeveloped; in the earliest stage of development
Example
She has only rudimentary knowledge of French.
Ella solo tiene conocimiento rudimentario del francés.
C1 noun /ˈnɜr.tʃər/

Nurture

nutrición
Meaning
the process of caring for and encouraging growth or development
Example
Good parenting involves both nature and nurture.
La buena crianza involucra tanto la naturaleza como la nutrición.
C2 noun /ˈnɪn.i/

Ninny

tonto
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
¡No seas tan tonto, usa tu cerebro!
B2 adjective /pælɛˈstɪnɪən/

palestinian

palestino
Meaning
relating to Palestine or its people
Example
The Palestinian people have a rich cultural heritage.
El pueblo palestino tiene una rica herencia cultural.
C1 noun /ˈfaɪər.wɔːl/

firewall

cortafuegos
Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
Un cortafuegos protege las redes de ciberataques.
C1 adjective /bɪˈmjuːzd/

bemused

perplejo, confundido
Meaning
confused, puzzled, or lost in thought
Example
She looked bemused when he asked the strange question.
Ella parecía confundida cuando él hizo la extraña pregunta.
B1 adjective /ˈrel.ə.tɪv/

Relative

relativo
Meaning
considered in comparison to something else; not absolute; comparative
Example
The cost of living is relative to your income level.
El costo de vida es relativo a tu nivel de ingresos.
C1 noun /ˈweɪ.stɪdʒ/

Wastage

desperdicio
Meaning
the action of using or expending something carelessly or without purpose
Example
The company reduced food wastage by implementing better inventory management.
La empresa redujo el desperdicio de alimentos implementando una mejor gestión de inventario.
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 adjective ˈmær.ɪ.taɪm

Maritime

marítimo
Meaning
Connected with the sea, especially in relation to seafaring commercial or military activity.
Example
Maritime trade enhances the economy.
El comercio marítimo mejora la economía.
B1 noun /ˈpɒlɪtɪks/

politics

política
Meaning
activities related to the governance of a country or area, especially the debate between parties having power
Example
Politics often involves making difficult decisions.
La política a menudo implica tomar decisiones difíciles.
B2 adjective /ˌɑːp.təˈmɪs.tɪk/

optimistic

optimista
Meaning
hopeful and confident about the future
Example
She is optimistic about the success of her new project.
Ella está optimista acerca del éxito de su nuevo proyecto.
A2 noun /ˈkænsər/

cancer

cáncer
Meaning
A disease in which abnormal cells divide uncontrollably and destroy body tissue.
Example
Smoking is a leading cause of lung cancer.
El fumar es una causa principal del cáncer de pulmón.
C1 adjective /prɪˈsɪpɪtəs/

precipitous

empinado o repentino
Meaning
Extremely steep or sudden; done quickly without careful consideration.
Example
The hikers struggled to climb the precipitous slope.
Los excursionistas lucharon por subir la pendiente empinada.
C1 verb /ˈpɜːrpətreɪt/

perpetrate

cometer
Meaning
To commit or carry out, typically a harmful, illegal, or immoral act.
Example
The hackers perpetrated a massive cyber attack on the company.
Los hackers perpetraron un gran ataque cibernético a la empresa.
B1 adjective /səˈpəʊzd/

supposed

supuesto
Meaning
generally believed or assumed, but not necessarily true
Example
This is the supposed solution to the problem.
Esta es la supuesta solución al problema.
C2 noun /ˈbrɛviˌɛri/

breviary

libro de oraciones
Meaning
A book containing the service for each day, used in Christian liturgy.
Example
The monk read from the breviary during morning prayers.
El monje leyó del libro de oraciones durante las oraciones matutinas.
C1 verb /prɪˈkluːd/

preclude

prevenir
Meaning
To prevent something from happening; to make impossible.
Example
Heavy rain precluded the possibility of a picnic.
La lluvia intensa precluyó la posibilidad de un picnic.
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 /ˈhiːdləs/

heedless

despreocupado
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
Condujo con desprecio por las reglas.
C2 noun /ˈʌm.brə/

Umbra

sombra completa, la región oscura del centro de una mancha solar
Meaning
the fully shaded inner region of a shadow cast by an opaque object; the dark center of a sunspot
Example
During the eclipse, we stood in the moon's umbra.
Durante el eclipse, nos paramos en la umbra de la luna.
A1 adverb /ˈɔːfən/

often

a menudo
Meaning
frequently, many times
Example
I often visit my grandparents on weekends.
A menudo visito a mis abuelos los fines de semana.
C1 adjective ˈɪn.tər.ɪm

interim

interino
Meaning
In or for the intervening period; provisional or temporary.
Example
Interim governments manage transitional phases.
Los gobiernos interinos gestionan fases de transición.
A2 noun /kɔɪnz/

coins

monedas
Meaning
Flat, typically round pieces of metal issued by a government as money.
Example
He collected old coins from different countries.
Recogió monedas antiguas de diferentes países.
C2 noun /kɒzˈmɒɡ.rə.fi/

cosmography

cosmografía
Meaning
the science or art of mapping the universe or cosmos
Example
Medieval scholars practiced cosmography to chart the stars and planets.
Los eruditos medievales practicaban la cosmografía para trazar las estrellas y los planetas.
A2 verb /ɪnˈvaɪtɪd/

invited

invitado
Meaning
asked someone formally or politely to go somewhere or do something
Example
She was invited to the party.
Ella fue invitada a la fiesta.
C2 adjective /ˈdɪsəluːt/

dissolute

disoluto
Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
Él llevó una vida disoluta llena de fiestas y apuestas.
C2 verb /ˈræŋ.kəl/

rankle

molestar
Meaning
To cause continuing annoyance or resentment.
Example
His unfair criticism continued to rankle her for days.
Su crítica injusta continuó molestándola durante días.
C1 noun /ˌnoʊtəˈraɪəti/

notoriety

notoriedad
Meaning
The state of being famous or well-known for something bad.
Example
The criminal gained notoriety for his daring escapes.
El criminal ganó notoriedad por sus audaces escapatorias.
B1 noun /ˈsiː.hɔːrs/

Sea-horse

caballo marino
Meaning
a small marine fish with segmented bony armor, an upright posture, and a curled prehensile tail
Example
The seahorse gracefully floated among the coral reefs.
El caballo marino flotó graciosamente entre los arrecifes de coral.
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.